Calculation/app/public/netcasign/js/viewer.js

/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2018 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
 */
var DEFAULT_URL = "";
/*******************netca 2021/01/06  zsm************************/
var   globalPDFViewerApplication = {};
/******************netca 2021/01/06  zsm*************************/
/******/ (function(modules) { // webpackBootstrap
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    /******/ 		if(installedModules[moduleId]) {
      /******/ 			return installedModules[moduleId].exports;
      /******/ 		}
    /******/ 		// Create a new module (and put it into the cache)创建一个新的模块，并放入缓存中
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      /******/ 			l: false,
      /******/ 			exports: {}
      /******/ 		};
    /******/
    /******/ 		// Execute the module function 执行模块放法
    /******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
    /******/
    /******/ 		// Flag the module as loaded  将模块标记为已加载
    /******/ 		module.l = true;
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  /* 0 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    ;
    var pdfjsWebApp, pdfjsWebAppOptions;
    {
      pdfjsWebApp = __webpack_require__(1);
      pdfjsWebAppOptions = __webpack_require__(12);
    }
    ;
    {
      __webpack_require__(37);
    }
    ;
    {
      __webpack_require__(42);
    }

    function getViewerConfiguration() {
      return {
        appContainer: document.body,
        mainContainer: document.getElementById('viewerContainer'),
        viewerContainer: document.getElementById('viewer'),
        eventBus: null,
        toolbar: {
          container: document.getElementById('toolbarViewer'),
          numPages: document.getElementById('numPages'),
          pageNumber: document.getElementById('pageNumber'),
          scaleSelectContainer: document.getElementById('scaleSelectContainer'),
          scaleSelect: document.getElementById('scaleSelect'),
          customScaleOption: document.getElementById('customScaleOption'),
          previous: document.getElementById('previous'),
          next: document.getElementById('next'),
          zoomIn: document.getElementById('zoomIn'),
          zoomOut: document.getElementById('zoomOut'),
          viewFind: document.getElementById('viewFind'),
          openFile: document.getElementById('openFile'),
          print: document.getElementById('print'),
          presentationModeButton: document.getElementById('presentationMode'),
          download: document.getElementById('download'),
          viewBookmark: document.getElementById('viewBookmark')
        },
        secondaryToolbar: {
          toolbar: document.getElementById('secondaryToolbar'),
          toggleButton: document.getElementById('secondaryToolbarToggle'),
          toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
          presentationModeButton: document.getElementById('secondaryPresentationMode'),
          openFileButton: document.getElementById('secondaryOpenFile'),
          printButton: document.getElementById('secondaryPrint'),
          downloadButton: document.getElementById('secondaryDownload'),
          viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
          firstPageButton: document.getElementById('firstPage'),
          lastPageButton: document.getElementById('lastPage'),
          pageRotateCwButton: document.getElementById('pageRotateCw'),
          pageRotateCcwButton: document.getElementById('pageRotateCcw'),
          cursorSelectToolButton: document.getElementById('cursorSelectTool'),
          cursorHandToolButton: document.getElementById('cursorHandTool'),
          scrollVerticalButton: document.getElementById('scrollVertical'),
          scrollHorizontalButton: document.getElementById('scrollHorizontal'),
          scrollWrappedButton: document.getElementById('scrollWrapped'),
          spreadNoneButton: document.getElementById('spreadNone'),
          spreadOddButton: document.getElementById('spreadOdd'),
          spreadEvenButton: document.getElementById('spreadEven'),
          documentPropertiesButton: document.getElementById('documentProperties')
        },
        fullscreen: {
          contextFirstPage: document.getElementById('contextFirstPage'),
          contextLastPage: document.getElementById('contextLastPage'),
          contextPageRotateCw: document.getElementById('contextPageRotateCw'),
          contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
        },
        sidebar: {
          outerContainer: document.getElementById('outerContainer'),
          viewerContainer: document.getElementById('viewerContainer'),
          toggleButton: document.getElementById('sidebarToggle'),
          thumbnailButton: document.getElementById('viewThumbnail'),
          outlineButton: document.getElementById('viewOutline'),
          attachmentsButton: document.getElementById('viewAttachments'),
          thumbnailView: document.getElementById('thumbnailView'),
          outlineView: document.getElementById('outlineView'),
          attachmentsView: document.getElementById('attachmentsView')
        },
        sidebarResizer: {
          outerContainer: document.getElementById('outerContainer'),
          resizer: document.getElementById('sidebarResizer')
        },
        findBar: {
          bar: document.getElementById('findbar'),
          toggleButton: document.getElementById('viewFind'),
          findField: document.getElementById('findInput'),
          highlightAllCheckbox: document.getElementById('findHighlightAll'),
          caseSensitiveCheckbox: document.getElementById('findMatchCase'),
          entireWordCheckbox: document.getElementById('findEntireWord'),
          findMsg: document.getElementById('findMsg'),
          findResultsCount: document.getElementById('findResultsCount'),
          findPreviousButton: document.getElementById('findPrevious'),
          findNextButton: document.getElementById('findNext')
        },
        passwordOverlay: {
          overlayName: 'passwordOverlay',
          container: document.getElementById('passwordOverlay'),
          label: document.getElementById('passwordText'),
          input: document.getElementById('password'),
          submitButton: document.getElementById('passwordSubmit'),
          cancelButton: document.getElementById('passwordCancel')
        },
        documentProperties: {
          overlayName: 'documentPropertiesOverlay',
          container: document.getElementById('documentPropertiesOverlay'),
          closeButton: document.getElementById('documentPropertiesClose'),
          fields: {
            'fileName': document.getElementById('fileNameField'),
            'fileSize': document.getElementById('fileSizeField'),
            'title': document.getElementById('titleField'),
            'author': document.getElementById('authorField'),
            'subject': document.getElementById('subjectField'),
            'keywords': document.getElementById('keywordsField'),
            'creationDate': document.getElementById('creationDateField'),
            'modificationDate': document.getElementById('modificationDateField'),
            'creator': document.getElementById('creatorField'),
            'producer': document.getElementById('producerField'),
            'version': document.getElementById('versionField'),
            'pageCount': document.getElementById('pageCountField'),
            'pageSize': document.getElementById('pageSizeField'),
            'linearized': document.getElementById('linearizedField')
          }
        },
        errorWrapper: {
          container: document.getElementById('errorWrapper'),
          errorMessage: document.getElementById('errorMessage'),
          closeButton: document.getElementById('errorClose'),
          errorMoreInfo: document.getElementById('errorMoreInfo'),
          moreInfoButton: document.getElementById('errorShowMore'),
          lessInfoButton: document.getElementById('errorShowLess')
        },
        printContainer: document.getElementById('printContainer'),
        openFileInputName: 'fileInput',
        debuggerScriptPath: './js/debugger.js'
      };
    }

    function webViewerLoad() {
      var config = getViewerConfiguration();
      window.PDFViewerApplication = pdfjsWebApp.PDFViewerApplication;
      window.PDFViewerApplicationOptions = pdfjsWebAppOptions.AppOptions;
      var event = document.createEvent('CustomEvent');
      event.initCustomEvent('webviewerloaded', true, true, {});
      document.dispatchEvent(event);
      pdfjsWebApp.PDFViewerApplication.run(config);
    }
//interactive:文档已被解析，"正在加载"状态结束，但是诸如图像，样式表和框架之类的子资源仍在加载。
//complete:文档和所有子资源已完成加载。表示 load 状态的事件即将被触发。
    if (document.readyState === 'interactive' || document.readyState === 'complete') {
      webViewerLoad();
    } else {
      document.addEventListener('DOMContentLoaded', webViewerLoad, true);
    }

    /***/ }),
  /* 1 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    var _ui_utils = __webpack_require__(6);

    var _pdfjsLib = __webpack_require__(7);

    var _pdf_cursor_tools = __webpack_require__(8);

    var _pdf_rendering_queue = __webpack_require__(10);

    var _pdf_sidebar = __webpack_require__(11);

    var _app_options = __webpack_require__(12);

    var _overlay_manager = __webpack_require__(14);

    var _password_prompt = __webpack_require__(15);

    var _pdf_attachment_viewer = __webpack_require__(16);

    var _pdf_document_properties = __webpack_require__(17);

    var _pdf_find_bar = __webpack_require__(18);

    var _pdf_find_controller = __webpack_require__(19);

    var _pdf_history = __webpack_require__(21);

    var _pdf_link_service = __webpack_require__(22);

    var _pdf_outline_viewer = __webpack_require__(23);

    var _pdf_presentation_mode = __webpack_require__(24);

    var _pdf_sidebar_resizer = __webpack_require__(25);

    var _pdf_thumbnail_viewer = __webpack_require__(26);

    var _pdf_viewer = __webpack_require__(28);

    var _secondary_toolbar = __webpack_require__(33);

    var _toolbar = __webpack_require__(35);

    var _view_history = __webpack_require__(36);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

    function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

    function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

    function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    var DEFAULT_SCALE_DELTA = 1.1;
    var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
    var FORCE_PAGES_LOADED_TIMEOUT = 10000;
    var WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
    var ViewOnLoad = {
      UNKNOWN: -1,
      PREVIOUS: 0,
      INITIAL: 1
    };
    var DefaultExternalServices = {
      updateFindControlState: function updateFindControlState(data) {},
      updateFindMatchesCount: function updateFindMatchesCount(data) {},
      initPassiveLoading: function initPassiveLoading(callbacks) {},
      fallback: function fallback(data, callback) {},
      reportTelemetry: function reportTelemetry(data) {},
      createDownloadManager: function createDownloadManager(options) {
        throw new Error('Not implemented: createDownloadManager');
      },
      createPreferences: function createPreferences() {
        throw new Error('Not implemented: createPreferences');
      },
      createL10n: function createL10n(options) {
        throw new Error('Not implemented: createL10n');
      },
      supportsIntegratedFind: false,
      supportsDocumentFonts: true,
      supportsDocumentColors: true,
      supportedMouseWheelZoomModifierKeys: {
        ctrlKey: true,
        metaKey: true
      }
    };
    exports.DefaultExternalServices = DefaultExternalServices;
    var PDFViewerApplication = {
      initialBookmark: document.location.hash.substring(1),
      initialized: false,
      fellback: false,
      appConfig: null,
      pdfDocument: null,
      pdfLoadingTask: null,
      printService: null,
      pdfViewer: null,
      pdfThumbnailViewer: null,
      pdfRenderingQueue: null,
      pdfPresentationMode: null,
      pdfDocumentProperties: null,
      pdfLinkService: null,
      pdfHistory: null,
      pdfSidebar: null,
      pdfSidebarResizer: null,
      pdfOutlineViewer: null,
      pdfAttachmentViewer: null,
      pdfCursorTools: null,
      store: null,
      downloadManager: null,
      overlayManager: null,
      preferences: null,
      toolbar: null,
      secondaryToolbar: null,
      eventBus: null,
      l10n: null,
      isInitialViewSet: false,
      downloadComplete: false,
      isViewerEmbedded: window.parent !== window,
      url: '',
      baseUrl: '',
      externalServices: DefaultExternalServices,
      _boundEvents: {},
      contentDispositionFilename: null,
      initialize: function () {
        var _initialize = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee(appConfig) {
              var _this = this;

              var appContainer;
              return _regenerator.default.wrap(function _callee$(_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      this.preferences = this.externalServices.createPreferences();
                      this.appConfig = appConfig;
                      _context.next = 4;
                      return this._readPreferences();

                    case 4:
                      _context.next = 6;
                      return this._parseHashParameters();

                    case 6:
                      _context.next = 8;
                      return this._initializeL10n();

                    case 8:
                      if (this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdfjsLib.LinkTarget.NONE) {
                        _app_options.AppOptions.set('externalLinkTarget', _pdfjsLib.LinkTarget.TOP);
                      }

                      _context.next = 11;
                      return this._initializeViewerComponents();

                    case 11:
                      this.bindEvents();
                      this.bindWindowEvents();
                      appContainer = appConfig.appContainer || document.documentElement;
                      this.l10n.translate(appContainer).then(function () {
                        _this.eventBus.dispatch('localized', {
                          source: _this
                        });
                      });
                      this.initialized = true;

                    case 16:
                    case "end":
                      return _context.stop();
                  }
                }
              }, _callee, this);
            }));

        function initialize(_x) {
          return _initialize.apply(this, arguments);
        }

        return initialize;
      }(),
      _readPreferences: function () {
        var _readPreferences2 = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee2() {
              var prefs, name;
              return _regenerator.default.wrap(function _callee2$(_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      if (!(_app_options.AppOptions.get('disablePreferences') === true)) {
                        _context2.next = 2;
                        break;
                      }

                      return _context2.abrupt("return");

                    case 2:
                      _context2.prev = 2;
                      _context2.next = 5;
                      return this.preferences.getAll();

                    case 5:
                      prefs = _context2.sent;

                      for (name in prefs) {
                        _app_options.AppOptions.set(name, prefs[name]);
                      }

                      _context2.next = 11;
                      break;

                    case 9:
                      _context2.prev = 9;
                      _context2.t0 = _context2["catch"](2);

                    case 11:
                    case "end":
                      return _context2.stop();
                  }
                }
              }, _callee2, this, [[2, 9]]);
            }));

        function _readPreferences() {
          return _readPreferences2.apply(this, arguments);
        }

        return _readPreferences;
      }(),
      _parseHashParameters: function () {
        var _parseHashParameters2 = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee3() {
              var waitOn, hash, hashParams, viewer, enabled;
              return _regenerator.default.wrap(function _callee3$(_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      if (_app_options.AppOptions.get('pdfBugEnabled')) {
                        _context3.next = 2;
                        break;
                      }

                      return _context3.abrupt("return");

                    case 2:
                      waitOn = [];
                      hash = document.location.hash.substring(1);
                      hashParams = (0, _ui_utils.parseQueryString)(hash);

                      if ('disableworker' in hashParams && hashParams['disableworker'] === 'true') {
                        waitOn.push(loadFakeWorker());
                      }

                      if ('disablerange' in hashParams) {
                        _app_options.AppOptions.set('disableRange', hashParams['disablerange'] === 'true');
                      }

                      if ('disablestream' in hashParams) {
                        _app_options.AppOptions.set('disableStream', hashParams['disablestream'] === 'true');
                      }

                      if ('disableautofetch' in hashParams) {
                        _app_options.AppOptions.set('disableAutoFetch', hashParams['disableautofetch'] === 'true');
                      }

                      if ('disablefontface' in hashParams) {
                        _app_options.AppOptions.set('disableFontFace', hashParams['disablefontface'] === 'true');
                      }

                      if ('disablehistory' in hashParams) {
                        _app_options.AppOptions.set('disableHistory', hashParams['disablehistory'] === 'true');
                      }

                      if ('webgl' in hashParams) {
                        _app_options.AppOptions.set('enableWebGL', hashParams['webgl'] === 'true');
                      }

                      if ('useonlycsszoom' in hashParams) {
                        _app_options.AppOptions.set('useOnlyCssZoom', hashParams['useonlycsszoom'] === 'true');
                      }

                      if ('verbosity' in hashParams) {
                        _app_options.AppOptions.set('verbosity', hashParams['verbosity'] | 0);
                      }

                      if (!('textlayer' in hashParams)) {
                        _context3.next = 23;
                        break;
                      }

                      _context3.t0 = hashParams['textlayer'];
                      _context3.next = _context3.t0 === 'off' ? 18 : _context3.t0 === 'visible' ? 20 : _context3.t0 === 'shadow' ? 20 : _context3.t0 === 'hover' ? 20 : 23;
                      break;

                    case 18:
                      _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE);

                      return _context3.abrupt("break", 23);

                    case 20:
                      viewer = this.appConfig.viewerContainer;
                      viewer.classList.add('textLayer-' + hashParams['textlayer']);
                      return _context3.abrupt("break", 23);

                    case 23:
                      if ('pdfbug' in hashParams) {
                        _app_options.AppOptions.set('pdfBug', true);

                        enabled = hashParams['pdfbug'].split(',');
                        waitOn.push(loadAndEnablePDFBug(enabled));
                      }

                      if ('locale' in hashParams) {
                        _app_options.AppOptions.set('locale', hashParams['locale']);
                      }

                      return _context3.abrupt("return", Promise.all(waitOn).catch(function (reason) {
                        console.error("_parseHashParameters: \"".concat(reason.message, "\"."));
                      }));

                    case 26:
                    case "end":
                      return _context3.stop();
                  }
                }
              }, _callee3, this);
            }));

        function _parseHashParameters() {
          return _parseHashParameters2.apply(this, arguments);
        }

        return _parseHashParameters;
      }(),
      _initializeL10n: function () {
        var _initializeL10n2 = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee4() {
              var dir;
              return _regenerator.default.wrap(function _callee4$(_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                      this.l10n = this.externalServices.createL10n({
                        locale: _app_options.AppOptions.get('locale')
                      });
                      _context4.next = 3;
                      return this.l10n.getDirection();

                    case 3:
                      dir = _context4.sent;
                      document.getElementsByTagName('html')[0].dir = dir;

                    case 5:
                    case "end":
                      return _context4.stop();
                  }
                }
              }, _callee4, this);
            }));

        function _initializeL10n() {
          return _initializeL10n2.apply(this, arguments);
        }

        return _initializeL10n;
      }(),
      _initializeViewerComponents: function () {
        var _initializeViewerComponents2 = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee5() {
              var appConfig, dispatchToDOM, eventBus, pdfRenderingQueue, pdfLinkService, downloadManager, findController, container, viewer, thumbnailContainer, sidebarConfig;
              return _regenerator.default.wrap(function _callee5$(_context5) {
                while (1) {
                  switch (_context5.prev = _context5.next) {
                    case 0:
                      appConfig = this.appConfig;
                      this.overlayManager = new _overlay_manager.OverlayManager();
                      dispatchToDOM = _app_options.AppOptions.get('eventBusDispatchToDOM');
                      eventBus = appConfig.eventBus || (0, _ui_utils.getGlobalEventBus)(dispatchToDOM);
                      this.eventBus = eventBus;
                      pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
                      pdfRenderingQueue.onIdle = this.cleanup.bind(this);
                      this.pdfRenderingQueue = pdfRenderingQueue;
                      pdfLinkService = new _pdf_link_service.PDFLinkService({
                        eventBus: eventBus,
                        externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'),
                        externalLinkRel: _app_options.AppOptions.get('externalLinkRel')
                      });
                      this.pdfLinkService = pdfLinkService;
                      downloadManager = this.externalServices.createDownloadManager({
                        disableCreateObjectURL: _app_options.AppOptions.get('disableCreateObjectURL')
                      });
                      this.downloadManager = downloadManager;
                      findController = new _pdf_find_controller.PDFFindController({
                        linkService: pdfLinkService,
                        eventBus: eventBus
                      });
                      this.findController = findController;
                      container = appConfig.mainContainer;
                      viewer = appConfig.viewerContainer;
                      this.pdfViewer = new _pdf_viewer.PDFViewer({
                        container: container,
                        viewer: viewer,
                        eventBus: eventBus,
                        renderingQueue: pdfRenderingQueue,
                        linkService: pdfLinkService,
                        downloadManager: downloadManager,
                        findController: findController,
                        renderer: _app_options.AppOptions.get('renderer'),
                        enableWebGL: _app_options.AppOptions.get('enableWebGL'),
                        l10n: this.l10n,
                        textLayerMode: _app_options.AppOptions.get('textLayerMode'),
                        imageResourcesPath: _app_options.AppOptions.get('imageResourcesPath'),
                        renderInteractiveForms: _app_options.AppOptions.get('renderInteractiveForms'),
                        enablePrintAutoRotate: _app_options.AppOptions.get('enablePrintAutoRotate'),
                        useOnlyCssZoom: _app_options.AppOptions.get('useOnlyCssZoom'),
                        maxCanvasPixels: _app_options.AppOptions.get('maxCanvasPixels')
                      });
                      pdfRenderingQueue.setViewer(this.pdfViewer);
                      pdfLinkService.setViewer(this.pdfViewer);
                      thumbnailContainer = appConfig.sidebar.thumbnailView;
                      this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
                        container: thumbnailContainer,
                        renderingQueue: pdfRenderingQueue,
                        linkService: pdfLinkService,
                        l10n: this.l10n
                      });
                      pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
                      this.pdfHistory = new _pdf_history.PDFHistory({
                        linkService: pdfLinkService,
                        eventBus: eventBus
                      });
                      pdfLinkService.setHistory(this.pdfHistory);
                      this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
                      this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
                      this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
                        container: container,
                        eventBus: eventBus,
                        cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad')
                      });
                      this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
                      this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);

                      if (this.supportsFullscreen) {
                        this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
                          container: container,
                          viewer: viewer,
                          pdfViewer: this.pdfViewer,
                          eventBus: eventBus,
                          contextMenuItems: appConfig.fullscreen
                        });
                      }

                      this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n);
                      this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
                        container: appConfig.sidebar.outlineView,
                        eventBus: eventBus,
                        linkService: pdfLinkService
                      });
                      this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
                        container: appConfig.sidebar.attachmentsView,
                        eventBus: eventBus,
                        downloadManager: downloadManager
                      });
                      sidebarConfig = Object.create(appConfig.sidebar);
                      sidebarConfig.pdfViewer = this.pdfViewer;
                      sidebarConfig.pdfThumbnailViewer = this.pdfThumbnailViewer;
                      this.pdfSidebar = new _pdf_sidebar.PDFSidebar(sidebarConfig, eventBus, this.l10n);
                      this.pdfSidebar.onToggled = this.forceRendering.bind(this);
                      this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);

                    case 39:
                    case "end":
                      return _context5.stop();
                  }
                }
              }, _callee5, this);
            }));

        function _initializeViewerComponents() {
          return _initializeViewerComponents2.apply(this, arguments);
        }

        return _initializeViewerComponents;
      }(),
      run: function run(config) {
        this.initialize(config).then(webViewerInitialized);
      },
      getCurrentScale: function getCurrentScale() {
        return this.pdfViewer.currentScale;
      },
      zoomIn: function zoomIn(ticks) {
        var newScale = this.pdfViewer.currentScale;

        do {
          newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
          newScale = Math.ceil(newScale * 10) / 10;
          newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
        } while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);

        this.pdfViewer.currentScaleValue = newScale;

      },
      zoomOut: function zoomOut(ticks) {
        var newScale = this.pdfViewer.currentScale;

        do {
          newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
          newScale = Math.floor(newScale * 10) / 10;
          newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
        } while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);

        this.pdfViewer.currentScaleValue = newScale;
      },

      get pagesCount() {
        return this.pdfDocument ? this.pdfDocument.numPages : 0;
      },

      set page(val) {
        this.pdfViewer.currentPageNumber = val;
      },

      get page() {
        return this.pdfViewer.currentPageNumber;
      },

      get printing() {
        return !!this.printService;
      },

      get supportsPrinting() {
        return PDFPrintServiceFactory.instance.supportsPrinting;
      },

      get supportsFullscreen() {
        var support;
        var doc = document.documentElement;
        support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);

        if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
          support = false;
        }

        return (0, _pdfjsLib.shadow)(this, 'supportsFullscreen', support);
      },

      get supportsIntegratedFind() {
        return this.externalServices.supportsIntegratedFind;
      },

      get supportsDocumentFonts() {
        return this.externalServices.supportsDocumentFonts;
      },

      get supportsDocumentColors() {
        return this.externalServices.supportsDocumentColors;
      },

      get loadingBar() {
        var bar = new _ui_utils.ProgressBar('#loadingBar');
        return (0, _pdfjsLib.shadow)(this, 'loadingBar', bar);
      },

      get supportedMouseWheelZoomModifierKeys() {
        return this.externalServices.supportedMouseWheelZoomModifierKeys;
      },

      initPassiveLoading: function initPassiveLoading() {
        throw new Error('Not implemented: initPassiveLoading');
      },
      setTitleUsingUrl: function setTitleUsingUrl() {
        var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
        this.url = url;
        this.baseUrl = url.split('#')[0];
        var title = (0, _ui_utils.getPDFFileNameFromURL)(url, '');

        if (!title) {
          try {
            title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
          } catch (ex) {
            title = url;
          }
        }

        this.setTitle(title);
      },
      setTitle: function setTitle(title) {
        if (this.isViewerEmbedded) {
          return;
        }

        document.title = title;
      },
      close: function () {
        var _close = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee6() {
              var errorWrapper, promise;
              return _regenerator.default.wrap(function _callee6$(_context6) {
                while (1) {
                  switch (_context6.prev = _context6.next) {
                    case 0:
                      errorWrapper = this.appConfig.errorWrapper.container;
                      errorWrapper.setAttribute('hidden', 'true');

                      if (this.pdfLoadingTask) {
                        _context6.next = 4;
                        break;
                      }

                      return _context6.abrupt("return");

                    case 4:
                      promise = this.pdfLoadingTask.destroy();
                      this.pdfLoadingTask = null;

                      if (this.pdfDocument) {
                        this.pdfDocument = null;
                        this.pdfThumbnailViewer.setDocument(null);
                        this.pdfViewer.setDocument(null);
                        this.pdfLinkService.setDocument(null);
                        this.pdfDocumentProperties.setDocument(null);
                      }

                      this.store = null;
                      this.isInitialViewSet = false;
                      this.downloadComplete = false;
                      this.url = '';
                      this.baseUrl = '';
                      this.contentDispositionFilename = null;
                      this.pdfSidebar.reset();
                      this.pdfOutlineViewer.reset();
                      this.pdfAttachmentViewer.reset();
                      this.findBar.reset();
                      this.toolbar.reset();
                      this.secondaryToolbar.reset();

                      if (typeof PDFBug !== 'undefined') {
                        PDFBug.cleanup();
                      }

                      return _context6.abrupt("return", promise);

                    case 21:
                    case "end":
                      return _context6.stop();
                  }
                }
              }, _callee6, this);
            }));

        function close() {
          return _close.apply(this, arguments);
        }

        return close;
      }(),
      open: function () {
        var _open = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee7(file, args) {
              var _this2 = this;

              var workerParameters, key, parameters, apiParameters, _key, prop, loadingTask;

              return _regenerator.default.wrap(function _callee7$(_context7) {
                while (1) {
                  switch (_context7.prev = _context7.next) {
                    case 0:
                      if (!this.pdfLoadingTask) {
                        _context7.next = 3;
                        break;
                      }

                      _context7.next = 3;
                      return this.close();

                    case 3:
                      workerParameters = _app_options.AppOptions.getAll('worker');

                      for (key in workerParameters) {
                        _pdfjsLib.GlobalWorkerOptions[key] = workerParameters[key];
                      }

                      parameters = Object.create(null);

                      if (typeof file === 'string') {
                        this.setTitleUsingUrl(file);
                        parameters.url = file;
                      } else if (file && 'byteLength' in file) {
                        parameters.data = file;
                      } else if (file.url && file.originalUrl) {
                        this.setTitleUsingUrl(file.originalUrl);
                        parameters.url = file.url;
                      }

                      apiParameters = _app_options.AppOptions.getAll('api');

                      for (_key in apiParameters) {
                        parameters[_key] = apiParameters[_key];
                      }

                      if (args) {
                        for (prop in args) {
                          if (prop === 'length') {
                            this.pdfDocumentProperties.setFileSize(args[prop]);
                          }

                          parameters[prop] = args[prop];
                        }
                      }

                      loadingTask = (0, _pdfjsLib.getDocument)(parameters);

                      this.pdfLoadingTask = loadingTask;

                      loadingTask.onPassword = function (updateCallback, reason) {
                        _this2.passwordPrompt.setUpdateCallback(updateCallback, reason);

                        _this2.passwordPrompt.open();
                      };

                      loadingTask.onProgress = function (_ref) {
                        var loaded = _ref.loaded,
                            total = _ref.total;

                        _this2.progress(loaded / total);
                      };

                      loadingTask.onUnsupportedFeature = this.fallback.bind(this);
                      return _context7.abrupt("return", loadingTask.promise.then(function (pdfDocument) {
                        _this2.load(pdfDocument);
                      }, function (exception) {
                        if (loadingTask !== _this2.pdfLoadingTask) {
                          return;
                        }

                        var message = exception && exception.message;
                        var loadingErrorMessage;

                        if (exception instanceof _pdfjsLib.InvalidPDFException) {
                          loadingErrorMessage = _this2.l10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
                        } else if (exception instanceof _pdfjsLib.MissingPDFException) {
                          loadingErrorMessage = _this2.l10n.get('missing_file_error', null, 'Missing PDF file.');
                        } else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
                          loadingErrorMessage = _this2.l10n.get('unexpected_response_error', null, 'Unexpected server response.');
                        } else {
                          loadingErrorMessage = _this2.l10n.get('loading_error', null, 'An error occurred while loading the PDF.');
                        }

                        return loadingErrorMessage.then(function (msg) {
                          _this2.error(msg, {
                            message: message
                          });
                          alert(msg);//抛出问题
                          throw new Error(msg);
                        });
                      }));

                    case 16:
                    case "end":
                      return _context7.stop();
                  }
                }
              }, _callee7, this);
            }));

        function open(_x2, _x3) {
          return _open.apply(this, arguments);
        }

        return open;
      }(),
      download: function download() {
        var _this3 = this;

        function downloadByUrl() {
          downloadManager.downloadUrl(url, filename);
        }

        var url = this.baseUrl;
        var filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
        var downloadManager = this.downloadManager;

        downloadManager.onerror = function (err) {
          _this3.error("PDF failed to download: ".concat(err));
        };

        if (!this.pdfDocument || !this.downloadComplete) {
          downloadByUrl();
          return;
        }

        this.pdfDocument.getData().then(function (data) {
          var blob = new Blob([data], {
            type: 'application/pdf'
          });
          downloadManager.download(blob, url, filename);
        }).catch(downloadByUrl);
      },
      fallback: function fallback(featureId) {},
      error: function error(message, moreInfo) {
        var moreInfoText = [this.l10n.get('error_version_info', {
          version: _pdfjsLib.version || '?',
          build: _pdfjsLib.build || '?'
        }, 'PDF.js v{{version}} (build: {{build}})')];

        if (moreInfo) {
          moreInfoText.push(this.l10n.get('error_message', {
            message: moreInfo.message
          }, 'Message: {{message}}'));

          if (moreInfo.stack) {
            moreInfoText.push(this.l10n.get('error_stack', {
              stack: moreInfo.stack
            }, 'Stack: {{stack}}'));
          } else {
            if (moreInfo.filename) {
              moreInfoText.push(this.l10n.get('error_file', {
                file: moreInfo.filename
              }, 'File: {{file}}'));
            }

            if (moreInfo.lineNumber) {
              moreInfoText.push(this.l10n.get('error_line', {
                line: moreInfo.lineNumber
              }, 'Line: {{line}}'));
            }
          }
        }

        var errorWrapperConfig = this.appConfig.errorWrapper;
        var errorWrapper = errorWrapperConfig.container;
        errorWrapper.removeAttribute('hidden');
        var errorMessage = errorWrapperConfig.errorMessage;
        errorMessage.textContent = message;
        var closeButton = errorWrapperConfig.closeButton;

        closeButton.onclick = function () {
          errorWrapper.setAttribute('hidden', 'true');
        };

        var errorMoreInfo = errorWrapperConfig.errorMoreInfo;
        var moreInfoButton = errorWrapperConfig.moreInfoButton;
        var lessInfoButton = errorWrapperConfig.lessInfoButton;

        moreInfoButton.onclick = function () {
          errorMoreInfo.removeAttribute('hidden');
          moreInfoButton.setAttribute('hidden', 'true');
          lessInfoButton.removeAttribute('hidden');
          errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
        };

        lessInfoButton.onclick = function () {
          errorMoreInfo.setAttribute('hidden', 'true');
          moreInfoButton.removeAttribute('hidden');
          lessInfoButton.setAttribute('hidden', 'true');
        };

        moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
        lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
        closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
        moreInfoButton.removeAttribute('hidden');
        lessInfoButton.setAttribute('hidden', 'true');
        Promise.all(moreInfoText).then(function (parts) {
          errorMoreInfo.value = parts.join('\n');
        });
      },
      progress: function progress(level) {
        var _this4 = this;

        if (this.downloadComplete) {
          return;
        }

        var percent = Math.round(level * 100);

        if (percent > this.loadingBar.percent || isNaN(percent)) {
          this.loadingBar.percent = percent;
          var disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams['disableAutoFetch'] : _app_options.AppOptions.get('disableAutoFetch');

          if (disableAutoFetch && percent) {
            if (this.disableAutoFetchLoadingBarTimeout) {
              clearTimeout(this.disableAutoFetchLoadingBarTimeout);
              this.disableAutoFetchLoadingBarTimeout = null;
            }

            this.loadingBar.show();
            this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
              _this4.loadingBar.hide();

              _this4.disableAutoFetchLoadingBarTimeout = null;
            }, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
          }
        }
      },
      load: function load(pdfDocument) {
        var _this5 = this;

        this.pdfDocument = pdfDocument;
        pdfDocument.getDownloadInfo().then(function () {
          _this5.downloadComplete = true;

          _this5.loadingBar.hide();

          firstPagePromise.then(function () {
            _this5.eventBus.dispatch('documentloaded', {
              source: _this5
            });
          });
        });
        var pageModePromise = pdfDocument.getPageMode().catch(function () {});
        var openActionDestPromise = pdfDocument.getOpenActionDestination().catch(function () {});
        this.toolbar.setPagesCount(pdfDocument.numPages, false);
        this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
        var store = this.store = new _view_history.ViewHistory(pdfDocument.fingerprint);
        var baseDocumentUrl;
        baseDocumentUrl = null;
        this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
        this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
        var pdfViewer = this.pdfViewer;
        pdfViewer.setDocument(pdfDocument);
        var firstPagePromise = pdfViewer.firstPagePromise;
        var pagesPromise = pdfViewer.pagesPromise;
        var onePageRendered = pdfViewer.onePageRendered;
        var pdfThumbnailViewer = this.pdfThumbnailViewer;
        pdfThumbnailViewer.setDocument(pdfDocument);
        firstPagePromise.then(function (pdfPage) {
          _this5.loadingBar.setWidth(_this5.appConfig.viewerContainer);

          var storePromise = store.getMultiple({
            page: null,
            zoom: _ui_utils.DEFAULT_SCALE_VALUE,
            scrollLeft: '0',
            scrollTop: '0',
            rotation: null,
            sidebarView: _pdf_sidebar.SidebarView.UNKNOWN,
            scrollMode: _ui_utils.ScrollMode.UNKNOWN,
            spreadMode: _ui_utils.SpreadMode.UNKNOWN
          }).catch(function () {});
          Promise.all([storePromise, pageModePromise, openActionDestPromise]).then(
              /*#__PURE__*/
              function () {
                var _ref3 = _asyncToGenerator(
                    /*#__PURE__*/
                    _regenerator.default.mark(function _callee8(_ref2) {
                      var _ref4, _ref4$, values, pageMode, openActionDest, viewOnLoad, initialBookmark, zoom, hash, rotation, sidebarView, scrollMode, spreadMode;

                      return _regenerator.default.wrap(function _callee8$(_context8) {
                        while (1) {
                          switch (_context8.prev = _context8.next) {
                            case 0:
                              _ref4 = _slicedToArray(_ref2, 3), _ref4$ = _ref4[0], values = _ref4$ === void 0 ? {} : _ref4$, pageMode = _ref4[1], openActionDest = _ref4[2];
                              viewOnLoad = _app_options.AppOptions.get('viewOnLoad');

                              _this5._initializePdfHistory({
                                fingerprint: pdfDocument.fingerprint,
                                viewOnLoad: viewOnLoad,
                                initialDest: openActionDest
                              });

                              initialBookmark = _this5.initialBookmark;
                              zoom = _app_options.AppOptions.get('defaultZoomValue');
                              hash = zoom ? "zoom=".concat(zoom) : null;
                              rotation = null;
                              sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad');
                              scrollMode = _app_options.AppOptions.get('scrollModeOnLoad');
                              spreadMode = _app_options.AppOptions.get('spreadModeOnLoad');

                              if (values.page && viewOnLoad !== ViewOnLoad.INITIAL) {
                                hash = "page=".concat(values.page, "&zoom=").concat(zoom || values.zoom, ",") + "".concat(values.scrollLeft, ",").concat(values.scrollTop);
                                rotation = parseInt(values.rotation, 10);

                                if (sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
                                  sidebarView = values.sidebarView | 0;
                                }

                                if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
                                  scrollMode = values.scrollMode | 0;
                                }

                                if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
                                  spreadMode = values.spreadMode | 0;
                                }
                              }

                              if (pageMode && sidebarView === _pdf_sidebar.SidebarView.UNKNOWN) {
                                sidebarView = apiPageModeToSidebarView(pageMode);
                              }

                              _this5.setInitialView(hash, {
                                rotation: rotation,
                                sidebarView: sidebarView,
                                scrollMode: scrollMode,
                                spreadMode: spreadMode
                              });

                              _this5.eventBus.dispatch('documentinit', {
                                source: _this5
                              });

                              if (!_this5.isViewerEmbedded) {
                                pdfViewer.focus();
                              }

                              _context8.next = 17;
                              return Promise.race([pagesPromise, new Promise(function (resolve) {
                                setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
                              })]);

                            case 17:
                              if (!(!initialBookmark && !hash)) {
                                _context8.next = 19;
                                break;
                              }

                              return _context8.abrupt("return");

                            case 19:
                              if (!pdfViewer.hasEqualPageSizes) {
                                _context8.next = 21;
                                break;
                              }

                              return _context8.abrupt("return");

                            case 21:
                              _this5.initialBookmark = initialBookmark;
                              pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;

                              _this5.setInitialView(hash);

                            case 24:
                            case "end":
                              return _context8.stop();
                          }
                        }
                      }, _callee8, this);
                    }));

                return function (_x4) {
                  return _ref3.apply(this, arguments);
                };
              }()).catch(function () {
            _this5.setInitialView();
          }).then(function () {
            pdfViewer.update();
          });
        });
        pdfDocument.getPageLabels().then(function (labels) {
          if (!labels || _app_options.AppOptions.get('disablePageLabels')) {
            return;
          }

          var i = 0,
              numLabels = labels.length;

          if (numLabels !== _this5.pagesCount) {
            console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
            return;
          }

          while (i < numLabels && labels[i] === (i + 1).toString()) {
            i++;
          }

          if (i === numLabels) {
            return;
          }

          pdfViewer.setPageLabels(labels);
          pdfThumbnailViewer.setPageLabels(labels);

          _this5.toolbar.setPagesCount(pdfDocument.numPages, true);

          _this5.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
        });
        pagesPromise.then(function () {
          if (!_this5.supportsPrinting) {
            return;
          }

          pdfDocument.getJavaScript().then(function (javaScript) {
            if (!javaScript) {
              return;
            }

            javaScript.some(function (js) {
              if (!js) {
                return false;
              }

              console.warn('Warning: JavaScript is not supported');

              _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript);

              return true;
            });
            var regex = /\bprint\s*\(/;

            for (var i = 0, ii = javaScript.length; i < ii; i++) {
              var js = javaScript[i];

              if (js && regex.test(js)) {
                setTimeout(function () {
                  window.print();
                });
                return;
              }
            }
          });
        });
        Promise.all([onePageRendered, _ui_utils.animationStarted]).then(function () {
          pdfDocument.getOutline().then(function (outline) {
            _this5.pdfOutlineViewer.render({
              outline: outline
            });
          });
          pdfDocument.getAttachments().then(function (attachments) {
            _this5.pdfAttachmentViewer.render({
              attachments: attachments
            });
          });
        });
        pdfDocument.getMetadata().then(function (_ref5) {
          var info = _ref5.info,
              metadata = _ref5.metadata,
              contentDispositionFilename = _ref5.contentDispositionFilename;
          _this5.documentInfo = info;
          _this5.metadata = metadata;
          _this5.contentDispositionFilename = contentDispositionFilename;
          console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (_pdfjsLib.version || '-') + (_app_options.AppOptions.get('enableWebGL') ? ' [WebGL]' : '') + ')');
          var pdfTitle;

          if (metadata && metadata.has('dc:title')) {
            var title = metadata.get('dc:title');

            if (title !== 'Untitled') {
              pdfTitle = title;
            }
          }

          if (!pdfTitle && info && info['Title']) {
            pdfTitle = info['Title'];
          }

          if (pdfTitle) {
            _this5.setTitle("".concat(pdfTitle, " - ").concat(contentDispositionFilename || document.title));
          } else if (contentDispositionFilename) {
            _this5.setTitle(contentDispositionFilename);
          }

          if (info.IsAcroFormPresent) {
            console.warn('Warning: AcroForm/XFA is not supported');

            _this5.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
          }
        });
      },
      _initializePdfHistory: function _initializePdfHistory(_ref6) {
        var fingerprint = _ref6.fingerprint,
            viewOnLoad = _ref6.viewOnLoad,
            _ref6$initialDest = _ref6.initialDest,
            initialDest = _ref6$initialDest === void 0 ? null : _ref6$initialDest;

        if (_app_options.AppOptions.get('disableHistory') || this.isViewerEmbedded) {
          return;
        }

        this.pdfHistory.initialize({
          fingerprint: fingerprint,
          resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
          updateUrl: _app_options.AppOptions.get('historyUpdateUrl')
        });

        if (this.pdfHistory.initialBookmark) {
          this.initialBookmark = this.pdfHistory.initialBookmark;
          this.initialRotation = this.pdfHistory.initialRotation;
        }

        if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) {
          this.initialBookmark = JSON.stringify(initialDest);
          this.pdfHistory.push({
            explicitDest: initialDest,
            pageNumber: null
          });
        }
      },
      setInitialView: function setInitialView(storedHash) {
        var _this6 = this;

        var _ref7 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
            rotation = _ref7.rotation,
            sidebarView = _ref7.sidebarView,
            scrollMode = _ref7.scrollMode,
            spreadMode = _ref7.spreadMode;

        var setRotation = function setRotation(angle) {
          if ((0, _ui_utils.isValidRotation)(angle)) {
            _this6.pdfViewer.pagesRotation = angle;
          }
        };

        var setViewerModes = function setViewerModes(scroll, spread) {
          if ((0, _ui_utils.isValidScrollMode)(scroll)) {
            _this6.pdfViewer.scrollMode = scroll;
          }

          if ((0, _ui_utils.isValidSpreadMode)(spread)) {
            _this6.pdfViewer.spreadMode = spread;
          }
        };

        this.isInitialViewSet = true;
        this.pdfSidebar.setInitialView(sidebarView);
        setViewerModes(scrollMode, spreadMode);

        if (this.initialBookmark) {
          setRotation(this.initialRotation);
          delete this.initialRotation;
          this.pdfLinkService.setHash(this.initialBookmark);
          this.initialBookmark = null;
        } else if (storedHash) {
          setRotation(rotation);
          this.pdfLinkService.setHash(storedHash);
        }

        this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
        this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);

        if (!this.pdfViewer.currentScaleValue) {
          this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
        }
      },
      cleanup: function cleanup() {
        if (!this.pdfDocument) {
          return;
        }

        this.pdfViewer.cleanup();
        this.pdfThumbnailViewer.cleanup();

        if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
          this.pdfDocument.cleanup();
        }
      },
      forceRendering: function forceRendering() {
        this.pdfRenderingQueue.printing = this.printing;
        this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
        this.pdfRenderingQueue.renderHighestPriority();
      },
      beforePrint: function beforePrint() {
        var _this7 = this;

        if (this.printService) {
          return;
        }

        if (!this.supportsPrinting) {
          this.l10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by ' + 'this browser.').then(function (printMessage) {
            _this7.error(printMessage);
          });
          return;
        }

        if (!this.pdfViewer.pageViewsReady) {
          this.l10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.').then(function (notReadyMessage) {
            window.alert(notReadyMessage);
          });
          return;
        }

        var pagesOverview = this.pdfViewer.getPagesOverview();
        var printContainer = this.appConfig.printContainer;
        var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, this.l10n);
        this.printService = printService;
        this.forceRendering();
        printService.layout();
      },
      afterPrint: function pdfViewSetupAfterPrint() {
        if (this.printService) {
          this.printService.destroy();
          this.printService = null;
        }

        this.forceRendering();
      },
      rotatePages: function rotatePages(delta) {
        if (!this.pdfDocument) {
          return;
        }

        var newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
        this.pdfViewer.pagesRotation = newRotation;
      },
      requestPresentationMode: function requestPresentationMode() {
        if (!this.pdfPresentationMode) {
          return;
        }

        this.pdfPresentationMode.request();
      },
      bindEvents: function bindEvents() {
        var eventBus = this.eventBus,
            _boundEvents = this._boundEvents;
        _boundEvents.beforePrint = this.beforePrint.bind(this);
        _boundEvents.afterPrint = this.afterPrint.bind(this);
        eventBus.on('resize', webViewerResize);
        eventBus.on('hashchange', webViewerHashchange);
        eventBus.on('beforeprint', _boundEvents.beforePrint);
        eventBus.on('afterprint', _boundEvents.afterPrint);
        eventBus.on('pagerendered', webViewerPageRendered);
        eventBus.on('textlayerrendered', webViewerTextLayerRendered);
        eventBus.on('updateviewarea', webViewerUpdateViewarea);
        eventBus.on('pagechanging', webViewerPageChanging);
        eventBus.on('scalechanging', webViewerScaleChanging);
        eventBus.on('rotationchanging', webViewerRotationChanging);
        eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
        eventBus.on('pagemode', webViewerPageMode);
        eventBus.on('namedaction', webViewerNamedAction);
        eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
        eventBus.on('presentationmode', webViewerPresentationMode);
        // eventBus.on('openfile', webViewerOpenFile);
        eventBus.on('print', webViewerPrint);
        eventBus.on('download', webViewerDownload);
        eventBus.on('firstpage', webViewerFirstPage);
        eventBus.on('lastpage', webViewerLastPage);
        eventBus.on('nextpage', webViewerNextPage);
        eventBus.on('previouspage', webViewerPreviousPage);
        eventBus.on('zoomin', webViewerZoomIn);
        eventBus.on('zoomout', webViewerZoomOut);
        eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
        eventBus.on('scalechanged', webViewerScaleChanged);
        eventBus.on('rotatecw', webViewerRotateCw);
        eventBus.on('rotateccw', webViewerRotateCcw);
        eventBus.on('switchscrollmode', webViewerSwitchScrollMode);
        eventBus.on('scrollmodechanged', webViewerScrollModeChanged);
        eventBus.on('switchspreadmode', webViewerSwitchSpreadMode);
        eventBus.on('spreadmodechanged', webViewerSpreadModeChanged);
        eventBus.on('documentproperties', webViewerDocumentProperties);
        eventBus.on('find', webViewerFind);
        eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
        eventBus.on('updatefindmatchescount', webViewerUpdateFindMatchesCount);
        eventBus.on('updatefindcontrolstate', webViewerUpdateFindControlState);
        eventBus.on('fileinputchange', webViewerFileInputChange);
      },
      bindWindowEvents: function bindWindowEvents() {
        var eventBus = this.eventBus,
            _boundEvents = this._boundEvents;

        _boundEvents.windowResize = function () {
          eventBus.dispatch('resize', {
            source: window
          });
        };

        _boundEvents.windowHashChange = function () {
          eventBus.dispatch('hashchange', {
            source: window,
            hash: document.location.hash.substring(1)
          });
        };

        _boundEvents.windowBeforePrint = function () {
          eventBus.dispatch('beforeprint', {
            source: window
          });
        };

        _boundEvents.windowAfterPrint = function () {
          eventBus.dispatch('afterprint', {
            source: window
          });
        };

        window.addEventListener('visibilitychange', webViewerVisibilityChange);
        window.addEventListener('wheel', webViewerWheel);
        window.addEventListener('click', webViewerClick);
        window.addEventListener('keydown', webViewerKeyDown);
        window.addEventListener('resize', _boundEvents.windowResize);
        window.addEventListener('hashchange', _boundEvents.windowHashChange);
        window.addEventListener('beforeprint', _boundEvents.windowBeforePrint);
        window.addEventListener('afterprint', _boundEvents.windowAfterPrint);
      },
      unbindEvents: function unbindEvents() {
        var eventBus = this.eventBus,
            _boundEvents = this._boundEvents;
        eventBus.off('resize', webViewerResize);
        eventBus.off('hashchange', webViewerHashchange);
        eventBus.off('beforeprint', _boundEvents.beforePrint);
        eventBus.off('afterprint', _boundEvents.afterPrint);
        eventBus.off('pagerendered', webViewerPageRendered);
        eventBus.off('textlayerrendered', webViewerTextLayerRendered);
        eventBus.off('updateviewarea', webViewerUpdateViewarea);
        eventBus.off('pagechanging', webViewerPageChanging);
        eventBus.off('scalechanging', webViewerScaleChanging);
        eventBus.off('rotationchanging', webViewerRotationChanging);
        eventBus.off('sidebarviewchanged', webViewerSidebarViewChanged);
        eventBus.off('pagemode', webViewerPageMode);
        eventBus.off('namedaction', webViewerNamedAction);
        eventBus.off('presentationmodechanged', webViewerPresentationModeChanged);
        eventBus.off('presentationmode', webViewerPresentationMode);
        eventBus.off('openfile', webViewerOpenFile);
        eventBus.off('print', webViewerPrint);
        eventBus.off('download', webViewerDownload);
        eventBus.off('firstpage', webViewerFirstPage);
        eventBus.off('lastpage', webViewerLastPage);
        eventBus.off('nextpage', webViewerNextPage);
        eventBus.off('previouspage', webViewerPreviousPage);
        eventBus.off('zoomin', webViewerZoomIn);
        eventBus.off('zoomout', webViewerZoomOut);
        eventBus.off('pagenumberchanged', webViewerPageNumberChanged);
        eventBus.off('scalechanged', webViewerScaleChanged);
        eventBus.off('rotatecw', webViewerRotateCw);
        eventBus.off('rotateccw', webViewerRotateCcw);
        eventBus.off('switchscrollmode', webViewerSwitchScrollMode);
        eventBus.off('scrollmodechanged', webViewerScrollModeChanged);
        eventBus.off('switchspreadmode', webViewerSwitchSpreadMode);
        eventBus.off('spreadmodechanged', webViewerSpreadModeChanged);
        eventBus.off('documentproperties', webViewerDocumentProperties);
        eventBus.off('find', webViewerFind);
        eventBus.off('findfromurlhash', webViewerFindFromUrlHash);
        eventBus.off('updatefindmatchescount', webViewerUpdateFindMatchesCount);
        eventBus.off('updatefindcontrolstate', webViewerUpdateFindControlState);
        eventBus.off('fileinputchange', webViewerFileInputChange);
        _boundEvents.beforePrint = null;
        _boundEvents.afterPrint = null;
      },
      unbindWindowEvents: function unbindWindowEvents() {
        var _boundEvents = this._boundEvents;
        window.removeEventListener('visibilitychange', webViewerVisibilityChange);
        window.removeEventListener('wheel', webViewerWheel);
        window.removeEventListener('click', webViewerClick);
        window.removeEventListener('keydown', webViewerKeyDown);
        window.removeEventListener('resize', _boundEvents.windowResize);
        window.removeEventListener('hashchange', _boundEvents.windowHashChange);
        window.removeEventListener('beforeprint', _boundEvents.windowBeforePrint);
        window.removeEventListener('afterprint', _boundEvents.windowAfterPrint);
        _boundEvents.windowResize = null;
        _boundEvents.windowHashChange = null;
        _boundEvents.windowBeforePrint = null;
        _boundEvents.windowAfterPrint = null;
      }
    };
    exports.PDFViewerApplication = PDFViewerApplication;
        /*******************netca 2021/01/06  zsm************************/
    globalPDFViewerApplication = PDFViewerApplication;
        /*******************netca 2021/01/06  zsm************************/

    var validateFileURL;
    {
      var HOSTED_VIEWER_ORIGINS = ['null', 'http://mozilla.github.io', 'https://mozilla.github.io'];

      validateFileURL = function validateFileURL(file) {
        if (file === undefined) {
          return;
        }

        try {
          var viewerOrigin = new _pdfjsLib.URL(window.location.href).origin || 'null';

          if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
            return;
          }

          var _ref8 = new _pdfjsLib.URL(file, window.location.href);
          var origin = _ref8.origin;
          var protocol = _ref8.protocol;

          // if (origin !== viewerOrigin && protocol !== 'blob:') {
          //   throw new Error('file origin does not match viewer\'s');
          // }
          //当我们直接打开base64时，file是个对象，而不是string类型的url，所以此处我们需要判断
          if (file && typeof file =='string') {
            var fileOrigin = new URL(file, window.location.href).origin;
          }
        } catch (ex) {
          var message = ex && ex.message;
          PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (loadingErrorMessage) {
            PDFViewerApplication.error(loadingErrorMessage, {
              message: message
            });
          });
          throw ex;
        }
      };
    }

    function loadFakeWorker() {
      if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
        _pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get('workerSrc');
      }

      return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
    }

    function loadAndEnablePDFBug(enabledTabs) {
      var appConfig = PDFViewerApplication.appConfig;
      return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
        PDFBug.enable(enabledTabs);
        PDFBug.init({
          OPS: _pdfjsLib.OPS,
          createObjectURL: _pdfjsLib.createObjectURL
        }, appConfig.mainContainer);
      });
    }

    function webViewerInitialized() {
      var appConfig = PDFViewerApplication.appConfig;
      var file;
      var queryString = document.location.search.substring(1);
      var params = (0, _ui_utils.parseQueryString)(queryString);
      file = 'file' in params ? params.file : _app_options.AppOptions.get('defaultUrl');
      validateFileURL(file);
      var fileInput = document.createElement('input');
      fileInput.id = appConfig.openFileInputName;
      fileInput.className = 'fileInput';
      fileInput.setAttribute('type', 'file');
      fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
      document.body.appendChild(fileInput);

      if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
        appConfig.toolbar.openFile.setAttribute('hidden', 'true');
        appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
      } else {
        fileInput.value = null;
      }

      fileInput.addEventListener('change', function (evt) {

        var files = evt.target.files;

        if (!files || files.length === 0) {
          return;
        }

        PDFViewerApplication.eventBus.dispatch('fileinputchange', {
          source: this,
          fileInput: evt.target
        });
      });
      appConfig.mainContainer.addEventListener('dragover', function (evt) {
        evt.preventDefault();
        evt.dataTransfer.dropEffect = 'move';
      });
      appConfig.mainContainer.addEventListener('drop', function (evt) {
        evt.preventDefault();
        var files = evt.dataTransfer.files;

        if (!files || files.length === 0) {
          return;
        }

        PDFViewerApplication.eventBus.dispatch('fileinputchange', {
          source: this,
          fileInput: evt.dataTransfer
        });
      });

      if (!PDFViewerApplication.supportsPrinting) {
        appConfig.toolbar.print.classList.add('hidden');
        appConfig.secondaryToolbar.printButton.classList.add('hidden');
      }

      if (!PDFViewerApplication.supportsFullscreen) {
        appConfig.toolbar.presentationModeButton.classList.add('hidden');
        appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
      }

      if (PDFViewerApplication.supportsIntegratedFind) {
        appConfig.toolbar.viewFind.classList.add('hidden');
      }

      appConfig.mainContainer.addEventListener('transitionend', function (evt) {
        if (evt.target === this) {
          PDFViewerApplication.eventBus.dispatch('resize', {
            source: this
          });
        }
      }, true);
      appConfig.sidebar.toggleButton.addEventListener('click', function () {
        PDFViewerApplication.pdfSidebar.toggle();
      });

      try {
        webViewerOpenFileViaURL(file);
      } catch (reason) {
        PDFViewerApplication.l10n.get('loading_error', null, 'An error occurred while loading the PDF.').then(function (msg) {
          PDFViewerApplication.error(msg, reason);
        });
      }
    }

    var webViewerOpenFileViaURL;
    {
      webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
        if (file && typeof file=='string' && file.lastIndexOf('file:', 0) === 0) {
          PDFViewerApplication.setTitleUsingUrl(file);
          var xhr = new XMLHttpRequest();

          xhr.onload = function () {
            PDFViewerApplication.open(new Uint8Array(xhr.response));
          };
          xhr.open('GET', file);
          xhr.responseType = 'arraybuffer';
          xhr.send();
          return;
        }

        if (file) {
          PDFViewerApplication.open(file);
        }
      };
    }

    function webViewerPageRendered(evt) {
      var pageNumber = evt.pageNumber;
      var pageIndex = pageNumber - 1;
      var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);

      if (pageNumber === PDFViewerApplication.page) {
        PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
      }

      if (!pageView) {
        return;
      }

      if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
        var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
        thumbnailView.setImage(pageView);
      }

      if (typeof Stats !== 'undefined' && Stats.enabled && pageView.stats) {
        Stats.add(pageNumber, pageView.stats);
      }

      if (pageView.error) {
        PDFViewerApplication.l10n.get('rendering_error', null, 'An error occurred while rendering the page.').then(function (msg) {
          PDFViewerApplication.error(msg, pageView.error);
        });
      }
    }

    function webViewerTextLayerRendered(evt) {}

    function webViewerPageMode(evt) {
      var mode = evt.mode,
          view;

      switch (mode) {
        case 'thumbs':
          view = _pdf_sidebar.SidebarView.THUMBS;
          break;

        case 'bookmarks':
        case 'outline':
          view = _pdf_sidebar.SidebarView.OUTLINE;
          break;

        case 'attachments':
          view = _pdf_sidebar.SidebarView.ATTACHMENTS;
          break;

        case 'none':
          view = _pdf_sidebar.SidebarView.NONE;
          break;

        default:
          console.error('Invalid "pagemode" hash parameter: ' + mode);
          return;
      }

      PDFViewerApplication.pdfSidebar.switchView(view, true);
    }

    function webViewerNamedAction(evt) {
      var action = evt.action;

      switch (action) {
        case 'GoToPage':
          PDFViewerApplication.appConfig.toolbar.pageNumber.select();
          break;

        case 'Find':
          if (!PDFViewerApplication.supportsIntegratedFind) {
            PDFViewerApplication.findBar.toggle();
          }

          break;
      }
    }

    function webViewerPresentationModeChanged(evt) {
      var active = evt.active,
          switchInProgress = evt.switchInProgress;
      PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? _ui_utils.PresentationModeState.CHANGING : active ? _ui_utils.PresentationModeState.FULLSCREEN : _ui_utils.PresentationModeState.NORMAL;
    }

    function webViewerSidebarViewChanged(evt) {
      PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
      var store = PDFViewerApplication.store;

      if (store && PDFViewerApplication.isInitialViewSet) {
        store.set('sidebarView', evt.view).catch(function () {});
      }
    }

    function webViewerUpdateViewarea(evt) {
      var location = evt.location,
          store = PDFViewerApplication.store;

      if (store && PDFViewerApplication.isInitialViewSet) {
        store.setMultiple({
          'page': location.pageNumber,
          'zoom': location.scale,
          'scrollLeft': location.left,
          'scrollTop': location.top,
          'rotation': location.rotation
        }).catch(function () {});
      }

      var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
      PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
      PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
      var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
      var loading = currentPage.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
      PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
    }

    function webViewerScrollModeChanged(evt) {
      var store = PDFViewerApplication.store;

      if (store && PDFViewerApplication.isInitialViewSet) {
        store.set('scrollMode', evt.mode).catch(function () {});
      }
    }

    function webViewerSpreadModeChanged(evt) {
      var store = PDFViewerApplication.store;

      if (store && PDFViewerApplication.isInitialViewSet) {
        store.set('spreadMode', evt.mode).catch(function () {});
      }
    }

    function webViewerResize() {
      var pdfDocument = PDFViewerApplication.pdfDocument,
          pdfViewer = PDFViewerApplication.pdfViewer;

      if (!pdfDocument) {
        return;
      }

      var currentScaleValue = pdfViewer.currentScaleValue;

      if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
        pdfViewer.currentScaleValue = currentScaleValue;
      }

      pdfViewer.update();
    }

    function webViewerHashchange(evt) {
      var hash = evt.hash;

      if (!hash) {
        return;
      }

      if (!PDFViewerApplication.isInitialViewSet) {
        PDFViewerApplication.initialBookmark = hash;
      } else if (!PDFViewerApplication.pdfHistory.popStateInProgress) {
        PDFViewerApplication.pdfLinkService.setHash(hash);
      }
    }

    var webViewerFileInputChange;
    {
      webViewerFileInputChange = function webViewerFileInputChange(evt) {
        if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
          return;
        }

        var file = evt.fileInput.files[0];

          if (_pdfjsLib.URL.createObjectURL && !_app_options.AppOptions.get('disableCreateObjectURL')) {
          var url = _pdfjsLib.URL.createObjectURL(file);

          if (file.name) {
            url = {
              url: url,
              originalUrl: file.name
            };
          }
          PDFViewerApplication.open(url);

        } else {
          PDFViewerApplication.setTitleUsingUrl(file.name);
          var fileReader = new FileReader();

          fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
            var buffer = evt.target.result;
            PDFViewerApplication.open(new Uint8Array(buffer));
          };

          fileReader.readAsArrayBuffer(file);
        }

        var appConfig = PDFViewerApplication.appConfig;
        appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
        appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
        appConfig.toolbar.download.setAttribute('hidden', 'true');
        appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
      };
    }

    function webViewerPresentationMode() {
      PDFViewerApplication.requestPresentationMode();
    }

    function webViewerOpenFile() {
      var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
      document.getElementById(openFileInputName).click();
    }

    function webViewerPrint() {
      // window.print();
    }

    function webViewerDownload() {
      PDFViewerApplication.download();
    }

    function webViewerFirstPage() {
      if (PDFViewerApplication.pdfDocument) {
        PDFViewerApplication.page = 1;
      }
    }

    function webViewerLastPage() {
      if (PDFViewerApplication.pdfDocument) {
        PDFViewerApplication.page = PDFViewerApplication.pagesCount;
      }
    }

    function webViewerNextPage() {
      PDFViewerApplication.page++;
    }

    function webViewerPreviousPage() {
      PDFViewerApplication.page--;
    }

    function webViewerZoomIn() {
      PDFViewerApplication.zoomIn();
    }

    function webViewerZoomOut() {
      PDFViewerApplication.zoomOut();
    }

    function webViewerPageNumberChanged(evt) {
      var pdfViewer = PDFViewerApplication.pdfViewer;

      if (evt.value !== '') {
        pdfViewer.currentPageLabel = evt.value;
      }

      if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
        PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
      }
    }

    function webViewerScaleChanged(evt) {
      PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
    }

    function webViewerRotateCw() {
      PDFViewerApplication.rotatePages(90);
    }

    function webViewerRotateCcw() {
      PDFViewerApplication.rotatePages(-90);
    }

    function webViewerSwitchScrollMode(evt) {
      PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
    }

    function webViewerSwitchSpreadMode(evt) {
      PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
    }

    function webViewerDocumentProperties() {
      PDFViewerApplication.pdfDocumentProperties.open();
    }

    function webViewerFind(evt) {
      PDFViewerApplication.findController.executeCommand('find' + evt.type, {
        query: evt.query,
        phraseSearch: evt.phraseSearch,
        caseSensitive: evt.caseSensitive,
        entireWord: evt.entireWord,
        highlightAll: evt.highlightAll,
        findPrevious: evt.findPrevious
      });
    }

    function webViewerFindFromUrlHash(evt) {
      PDFViewerApplication.findController.executeCommand('find', {
        query: evt.query,
        phraseSearch: evt.phraseSearch,
        caseSensitive: false,
        entireWord: false,
        highlightAll: true,
        findPrevious: false
      });
    }

    function webViewerUpdateFindMatchesCount(_ref9) {
      var matchesCount = _ref9.matchesCount;

      if (PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount);
      } else {
        PDFViewerApplication.findBar.updateResultsCount(matchesCount);
      }
    }

    function webViewerUpdateFindControlState(_ref10) {
      var state = _ref10.state,
          previous = _ref10.previous,
          matchesCount = _ref10.matchesCount;

      if (PDFViewerApplication.supportsIntegratedFind) {
        PDFViewerApplication.externalServices.updateFindControlState({
          result: state,
          findPrevious: previous,
          matchesCount: matchesCount
        });
      } else {
        PDFViewerApplication.findBar.updateUIState(state, previous, matchesCount);
      }
    }

    function webViewerScaleChanging(evt) {
      PDFViewerApplication.toolbar.setPageScale(evt.presetValue, evt.scale);
      PDFViewerApplication.pdfViewer.update();
    }

    function webViewerRotationChanging(evt) {
      PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
      PDFViewerApplication.forceRendering();
      PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
    }

    function webViewerPageChanging(evt) {
      var page = evt.pageNumber;
      PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);
      PDFViewerApplication.secondaryToolbar.setPageNumber(page);

      if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
        PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
      }

      if (typeof Stats !== 'undefined' && Stats.enabled) {
        var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);

        if (pageView && pageView.stats) {
          Stats.add(page, pageView.stats);
        }
      }
    }

    function webViewerVisibilityChange(evt) {
      if (document.visibilityState === 'visible') {
        setZoomDisabledTimeout();
      }
    }

    var zoomDisabledTimeout = null;

    function setZoomDisabledTimeout() {
      if (zoomDisabledTimeout) {
        clearTimeout(zoomDisabledTimeout);
      }

      zoomDisabledTimeout = setTimeout(function () {
        zoomDisabledTimeout = null;
      }, WHEEL_ZOOM_DISABLED_TIMEOUT);
    }

    function webViewerWheel(evt) {
      var pdfViewer = PDFViewerApplication.pdfViewer;

      if (pdfViewer.isInPresentationMode) {
        return;
      }

      if (evt.ctrlKey || evt.metaKey) {
        var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;

        if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
          return;
        }

        evt.preventDefault();

        if (zoomDisabledTimeout || document.visibilityState === 'hidden') {
          return;
        }

        var previousScale = pdfViewer.currentScale;
        var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
        var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
        var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;

        if (ticks < 0) {
          PDFViewerApplication.zoomOut(-ticks);
        } else {
          PDFViewerApplication.zoomIn(ticks);
        }

        var currentScale = pdfViewer.currentScale;

        if (previousScale !== currentScale) {
          var scaleCorrectionFactor = currentScale / previousScale - 1;
          var rect = pdfViewer.container.getBoundingClientRect();
          var dx = evt.clientX - rect.left;
          var dy = evt.clientY - rect.top;
          pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
          pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
        }
      } else {
        setZoomDisabledTimeout();
      }
    }

    function webViewerClick(evt) {
      if (!PDFViewerApplication.secondaryToolbar.isOpen) {
        return;
      }

      var appConfig = PDFViewerApplication.appConfig;

      if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
        PDFViewerApplication.secondaryToolbar.close();
      }
    }

    function webViewerKeyDown(evt) {
      if (PDFViewerApplication.overlayManager.active) {
        return;
      }

      var handled = false,
          ensureViewerFocused = false;
      var cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
      var pdfViewer = PDFViewerApplication.pdfViewer;
      var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;

      if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
        switch (evt.keyCode) {
          case 70:
            if (!PDFViewerApplication.supportsIntegratedFind) {
              PDFViewerApplication.findBar.open();
              handled = true;
            }

            break;

          case 71:
            if (!PDFViewerApplication.supportsIntegratedFind) {
              var findState = PDFViewerApplication.findController.state;

              if (findState) {
                PDFViewerApplication.findController.executeCommand('findagain', {
                  query: findState.query,
                  phraseSearch: findState.phraseSearch,
                  caseSensitive: findState.caseSensitive,
                  entireWord: findState.entireWord,
                  highlightAll: findState.highlightAll,
                  findPrevious: cmd === 5 || cmd === 12
                });
              }

              handled = true;
            }

            break;

          case 61:
          case 107:
          case 187:
          case 171:
            if (!isViewerInPresentationMode) {
              PDFViewerApplication.zoomIn();
            }

            handled = true;
            break;

          case 173:
          case 109:
          case 189:
            if (!isViewerInPresentationMode) {
              PDFViewerApplication.zoomOut();
            }

            handled = true;
            break;

          case 48:
          case 96:
            if (!isViewerInPresentationMode) {
              setTimeout(function () {
                pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
              });
              handled = false;
            }

            break;

          case 38:
            if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
              PDFViewerApplication.page = 1;
              handled = true;
              ensureViewerFocused = true;
            }

            break;

          case 40:
            if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
              PDFViewerApplication.page = PDFViewerApplication.pagesCount;
              handled = true;
              ensureViewerFocused = true;
            }

            break;
        }
      }

      if (cmd === 1 || cmd === 8) {
        switch (evt.keyCode) {
          case 83:
            PDFViewerApplication.download();
            handled = true;
            break;
        }
      }

      if (cmd === 3 || cmd === 10) {
        switch (evt.keyCode) {
          case 80:
            PDFViewerApplication.requestPresentationMode();
            handled = true;
            break;

          case 71:
            PDFViewerApplication.appConfig.toolbar.pageNumber.select();
            handled = true;
            break;
        }
      }

      if (handled) {
        if (ensureViewerFocused && !isViewerInPresentationMode) {
          pdfViewer.focus();
        }

        evt.preventDefault();
        return;
      }

      var curElement = document.activeElement || document.querySelector(':focus');
      var curElementTagName = curElement && curElement.tagName.toUpperCase();

      if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
        if (evt.keyCode !== 27) {
          return;
        }
      }

      if (cmd === 0) {
        var turnPage = 0,
            turnOnlyIfPageFit = false;

        switch (evt.keyCode) {
          case 38:
          case 33:
            if (pdfViewer.isVerticalScrollbarEnabled) {
              turnOnlyIfPageFit = true;
            }

            turnPage = -1;
            break;

          case 8:
            if (!isViewerInPresentationMode) {
              turnOnlyIfPageFit = true;
            }

            turnPage = -1;
            break;

          case 37:
            if (pdfViewer.isHorizontalScrollbarEnabled) {
              turnOnlyIfPageFit = true;
            }

          case 75:
          case 80:
            turnPage = -1;
            break;

          case 27:
            if (PDFViewerApplication.secondaryToolbar.isOpen) {
              PDFViewerApplication.secondaryToolbar.close();
              handled = true;
            }

            if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
              PDFViewerApplication.findBar.close();
              handled = true;
            }

            break;

          case 40:
          case 34:
            if (pdfViewer.isVerticalScrollbarEnabled) {
              turnOnlyIfPageFit = true;
            }

            turnPage = 1;
            break;

          case 13:
          case 32:
            if (!isViewerInPresentationMode) {
              turnOnlyIfPageFit = true;
            }

            turnPage = 1;
            break;

          case 39:
            if (pdfViewer.isHorizontalScrollbarEnabled) {
              turnOnlyIfPageFit = true;
            }

          case 74:
          case 78:
            turnPage = 1;
            break;

          case 36:
            if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
              PDFViewerApplication.page = 1;
              handled = true;
              ensureViewerFocused = true;
            }

            break;

          case 35:
            if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
              PDFViewerApplication.page = PDFViewerApplication.pagesCount;
              handled = true;
              ensureViewerFocused = true;
            }

            break;

          case 83:
            PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.SELECT);
            break;

          case 72:
            PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.CursorTool.HAND);
            break;

          case 82:
            PDFViewerApplication.rotatePages(90);
            break;

          case 115:
            PDFViewerApplication.pdfSidebar.toggle();
            break;
        }

        if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === 'page-fit')) {
          if (turnPage > 0) {
            if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
              PDFViewerApplication.page++;
            }
          } else {
            if (PDFViewerApplication.page > 1) {
              PDFViewerApplication.page--;
            }
          }

          handled = true;
        }
      }

      if (cmd === 4) {
        switch (evt.keyCode) {
          case 13:
          case 32:
            if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
              break;
            }

            if (PDFViewerApplication.page > 1) {
              PDFViewerApplication.page--;
            }

            handled = true;
            break;

          case 82:
            PDFViewerApplication.rotatePages(-90);
            break;
        }
      }

      if (!handled && !isViewerInPresentationMode) {
        if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
          ensureViewerFocused = true;
        }
      }

      if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
        pdfViewer.focus();
      }

      if (handled) {
        evt.preventDefault();
      }
    }

    function apiPageModeToSidebarView(mode) {
      switch (mode) {
        case 'UseNone':
          return _pdf_sidebar.SidebarView.NONE;

        case 'UseThumbs':
          return _pdf_sidebar.SidebarView.THUMBS;

        case 'UseOutlines':
          return _pdf_sidebar.SidebarView.OUTLINE;

        case 'UseAttachments':
          return _pdf_sidebar.SidebarView.ATTACHMENTS;

        case 'UseOC':
      }

      return _pdf_sidebar.SidebarView.NONE;
    }

    var PDFPrintServiceFactory = {
      instance: {
        supportsPrinting: false,
        createPrintService: function createPrintService() {
          throw new Error('Not implemented: createPrintService');
        }
      }
    };
    exports.PDFPrintServiceFactory = PDFPrintServiceFactory;

    /***/ }),
  /* 2 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    module.exports = __webpack_require__(3);

    /***/ }),
  /* 3 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    var g = function () {
      return this || (typeof self === "undefined" ? "undefined" : _typeof(self)) === "object" && self;
    }() || Function("return this")();

    var hadRuntime = g.regeneratorRuntime && Object.getOwnPropertyNames(g).indexOf("regeneratorRuntime") >= 0;
    var oldRuntime = hadRuntime && g.regeneratorRuntime;
    g.regeneratorRuntime = undefined;
    module.exports = __webpack_require__(4);

    if (hadRuntime) {
      g.regeneratorRuntime = oldRuntime;
    } else {
      try {
        delete g.regeneratorRuntime;
      } catch (e) {
        g.regeneratorRuntime = undefined;
      }
    }

    /***/ }),
  /* 4 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";
    /* WEBPACK VAR INJECTION */(function(module) {

      function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

      !function (global) {
        "use strict";

        var Op = Object.prototype;
        var hasOwn = Op.hasOwnProperty;
        var undefined;
        var $Symbol = typeof Symbol === "function" ? Symbol : {};
        var iteratorSymbol = $Symbol.iterator || "@@iterator";
        var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
        var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
        var inModule = ( false ? undefined : _typeof(module)) === "object";
        var runtime = global.regeneratorRuntime;

        if (runtime) {
          if (inModule) {
            module.exports = runtime;
          }

          return;
        }

        runtime = global.regeneratorRuntime = inModule ? module.exports : {};

        function wrap(innerFn, outerFn, self, tryLocsList) {
          var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
          var generator = Object.create(protoGenerator.prototype);
          var context = new Context(tryLocsList || []);
          generator._invoke = makeInvokeMethod(innerFn, self, context);
          return generator;
        }

        runtime.wrap = wrap;

        function tryCatch(fn, obj, arg) {
          try {
            return {
              type: "normal",
              arg: fn.call(obj, arg)
            };
          } catch (err) {
            return {
              type: "throw",
              arg: err
            };
          }
        }

        var GenStateSuspendedStart = "suspendedStart";
        var GenStateSuspendedYield = "suspendedYield";
        var GenStateExecuting = "executing";
        var GenStateCompleted = "completed";
        var ContinueSentinel = {};

        function Generator() {}

        function GeneratorFunction() {}

        function GeneratorFunctionPrototype() {}

        var IteratorPrototype = {};

        IteratorPrototype[iteratorSymbol] = function () {
          return this;
        };

        var getProto = Object.getPrototypeOf;
        var NativeIteratorPrototype = getProto && getProto(getProto(values([])));

        if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
          IteratorPrototype = NativeIteratorPrototype;
        }

        var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
        GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
        GeneratorFunctionPrototype.constructor = GeneratorFunction;
        GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";

        function defineIteratorMethods(prototype) {
          ["next", "throw", "return"].forEach(function (method) {
            prototype[method] = function (arg) {
              return this._invoke(method, arg);
            };
          });
        }

        runtime.isGeneratorFunction = function (genFun) {
          var ctor = typeof genFun === "function" && genFun.constructor;
          return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
        };

        runtime.mark = function (genFun) {
          if (Object.setPrototypeOf) {
            Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
          } else {
            genFun.__proto__ = GeneratorFunctionPrototype;

            if (!(toStringTagSymbol in genFun)) {
              genFun[toStringTagSymbol] = "GeneratorFunction";
            }
          }

          genFun.prototype = Object.create(Gp);
          return genFun;
        };

        runtime.awrap = function (arg) {
          return {
            __await: arg
          };
        };

        function AsyncIterator(generator) {
          function invoke(method, arg, resolve, reject) {
            var record = tryCatch(generator[method], generator, arg);

            if (record.type === "throw") {
              reject(record.arg);
            } else {
              var result = record.arg;
              var value = result.value;

              if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
                return Promise.resolve(value.__await).then(function (value) {
                  invoke("next", value, resolve, reject);
                }, function (err) {
                  invoke("throw", err, resolve, reject);
                });
              }

              return Promise.resolve(value).then(function (unwrapped) {
                result.value = unwrapped;
                resolve(result);
              }, function (error) {
                return invoke("throw", error, resolve, reject);
              });
            }
          }

          var previousPromise;

          function enqueue(method, arg) {
            function callInvokeWithMethodAndArg() {
              return new Promise(function (resolve, reject) {
                invoke(method, arg, resolve, reject);
              });
            }

            return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
          }

          this._invoke = enqueue;
        }

        defineIteratorMethods(AsyncIterator.prototype);

        AsyncIterator.prototype[asyncIteratorSymbol] = function () {
          return this;
        };

        runtime.AsyncIterator = AsyncIterator;

        runtime.async = function (innerFn, outerFn, self, tryLocsList) {
          var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
          return runtime.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
            return result.done ? result.value : iter.next();
          });
        };

        function makeInvokeMethod(innerFn, self, context) {
          var state = GenStateSuspendedStart;
          return function invoke(method, arg) {
            if (state === GenStateExecuting) {
              throw new Error("Generator is already running");
            }

            if (state === GenStateCompleted) {
              if (method === "throw") {
                throw arg;
              }

              return doneResult();
            }

            context.method = method;
            context.arg = arg;

            while (true) {
              var delegate = context.delegate;

              if (delegate) {
                var delegateResult = maybeInvokeDelegate(delegate, context);

                if (delegateResult) {
                  if (delegateResult === ContinueSentinel) continue;
                  return delegateResult;
                }
              }

              if (context.method === "next") {
                context.sent = context._sent = context.arg;
              } else if (context.method === "throw") {
                if (state === GenStateSuspendedStart) {
                  state = GenStateCompleted;
                  throw context.arg;
                }

                context.dispatchException(context.arg);
              } else if (context.method === "return") {
                context.abrupt("return", context.arg);
              }

              state = GenStateExecuting;
              var record = tryCatch(innerFn, self, context);

              if (record.type === "normal") {
                state = context.done ? GenStateCompleted : GenStateSuspendedYield;

                if (record.arg === ContinueSentinel) {
                  continue;
                }

                return {
                  value: record.arg,
                  done: context.done
                };
              } else if (record.type === "throw") {
                state = GenStateCompleted;
                context.method = "throw";
                context.arg = record.arg;
              }
            }
          };
        }

        function maybeInvokeDelegate(delegate, context) {
          var method = delegate.iterator[context.method];

          if (method === undefined) {
            context.delegate = null;

            if (context.method === "throw") {
              if (delegate.iterator.return) {
                context.method = "return";
                context.arg = undefined;
                maybeInvokeDelegate(delegate, context);

                if (context.method === "throw") {
                  return ContinueSentinel;
                }
              }

              context.method = "throw";
              context.arg = new TypeError("The iterator does not provide a 'throw' method");
            }

            return ContinueSentinel;
          }

          var record = tryCatch(method, delegate.iterator, context.arg);

          if (record.type === "throw") {
            context.method = "throw";
            context.arg = record.arg;
            context.delegate = null;
            return ContinueSentinel;
          }

          var info = record.arg;

          if (!info) {
            context.method = "throw";
            context.arg = new TypeError("iterator result is not an object");
            context.delegate = null;
            return ContinueSentinel;
          }

          if (info.done) {
            context[delegate.resultName] = info.value;
            context.next = delegate.nextLoc;

            if (context.method !== "return") {
              context.method = "next";
              context.arg = undefined;
            }
          } else {
            return info;
          }

          context.delegate = null;
          return ContinueSentinel;
        }

        defineIteratorMethods(Gp);
        Gp[toStringTagSymbol] = "Generator";

        Gp[iteratorSymbol] = function () {
          return this;
        };

        Gp.toString = function () {
          return "[object Generator]";
        };

        function pushTryEntry(locs) {
          var entry = {
            tryLoc: locs[0]
          };

          if (1 in locs) {
            entry.catchLoc = locs[1];
          }

          if (2 in locs) {
            entry.finallyLoc = locs[2];
            entry.afterLoc = locs[3];
          }

          this.tryEntries.push(entry);
        }

        function resetTryEntry(entry) {
          var record = entry.completion || {};
          record.type = "normal";
          delete record.arg;
          entry.completion = record;
        }

        function Context(tryLocsList) {
          this.tryEntries = [{
            tryLoc: "root"
          }];
          tryLocsList.forEach(pushTryEntry, this);
          this.reset(true);
        }

        runtime.keys = function (object) {
          var keys = [];

          for (var key in object) {
            keys.push(key);
          }

          keys.reverse();
          return function next() {
            while (keys.length) {
              var key = keys.pop();

              if (key in object) {
                next.value = key;
                next.done = false;
                return next;
              }
            }

            next.done = true;
            return next;
          };
        };

        function values(iterable) {
          if (iterable) {
            var iteratorMethod = iterable[iteratorSymbol];

            if (iteratorMethod) {
              return iteratorMethod.call(iterable);
            }

            if (typeof iterable.next === "function") {
              return iterable;
            }

            if (!isNaN(iterable.length)) {
              var i = -1,
                  next = function next() {
                    while (++i < iterable.length) {
                      if (hasOwn.call(iterable, i)) {
                        next.value = iterable[i];
                        next.done = false;
                        return next;
                      }
                    }

                    next.value = undefined;
                    next.done = true;
                    return next;
                  };

              return next.next = next;
            }
          }

          return {
            next: doneResult
          };
        }

        runtime.values = values;

        function doneResult() {
          return {
            value: undefined,
            done: true
          };
        }

        Context.prototype = {
          constructor: Context,
          reset: function reset(skipTempReset) {
            this.prev = 0;
            this.next = 0;
            this.sent = this._sent = undefined;
            this.done = false;
            this.delegate = null;
            this.method = "next";
            this.arg = undefined;
            this.tryEntries.forEach(resetTryEntry);

            if (!skipTempReset) {
              for (var name in this) {
                if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
                  this[name] = undefined;
                }
              }
            }
          },
          stop: function stop() {
            this.done = true;
            var rootEntry = this.tryEntries[0];
            var rootRecord = rootEntry.completion;

            if (rootRecord.type === "throw") {
              throw rootRecord.arg;
            }

            return this.rval;
          },
          dispatchException: function dispatchException(exception) {
            if (this.done) {
              throw exception;
            }

            var context = this;

            function handle(loc, caught) {
              record.type = "throw";
              record.arg = exception;
              context.next = loc;

              if (caught) {
                context.method = "next";
                context.arg = undefined;
              }

              return !!caught;
            }

            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i];
              var record = entry.completion;

              if (entry.tryLoc === "root") {
                return handle("end");
              }

              if (entry.tryLoc <= this.prev) {
                var hasCatch = hasOwn.call(entry, "catchLoc");
                var hasFinally = hasOwn.call(entry, "finallyLoc");

                if (hasCatch && hasFinally) {
                  if (this.prev < entry.catchLoc) {
                    return handle(entry.catchLoc, true);
                  } else if (this.prev < entry.finallyLoc) {
                    return handle(entry.finallyLoc);
                  }
                } else if (hasCatch) {
                  if (this.prev < entry.catchLoc) {
                    return handle(entry.catchLoc, true);
                  }
                } else if (hasFinally) {
                  if (this.prev < entry.finallyLoc) {
                    return handle(entry.finallyLoc);
                  }
                } else {
                  throw new Error("try statement without catch or finally");
                }
              }
            }
          },
          abrupt: function abrupt(type, arg) {
            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i];

              if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
                var finallyEntry = entry;
                break;
              }
            }

            if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
              finallyEntry = null;
            }

            var record = finallyEntry ? finallyEntry.completion : {};
            record.type = type;
            record.arg = arg;

            if (finallyEntry) {
              this.method = "next";
              this.next = finallyEntry.finallyLoc;
              return ContinueSentinel;
            }

            return this.complete(record);
          },
          complete: function complete(record, afterLoc) {
            if (record.type === "throw") {
              throw record.arg;
            }

            if (record.type === "break" || record.type === "continue") {
              this.next = record.arg;
            } else if (record.type === "return") {
              this.rval = this.arg = record.arg;
              this.method = "return";
              this.next = "end";
            } else if (record.type === "normal" && afterLoc) {
              this.next = afterLoc;
            }

            return ContinueSentinel;
          },
          finish: function finish(finallyLoc) {
            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i];

              if (entry.finallyLoc === finallyLoc) {
                this.complete(entry.completion, entry.afterLoc);
                resetTryEntry(entry);
                return ContinueSentinel;
              }
            }
          },
          "catch": function _catch(tryLoc) {
            for (var i = this.tryEntries.length - 1; i >= 0; --i) {
              var entry = this.tryEntries[i];

              if (entry.tryLoc === tryLoc) {
                var record = entry.completion;

                if (record.type === "throw") {
                  var thrown = record.arg;
                  resetTryEntry(entry);
                }

                return thrown;
              }
            }

            throw new Error("illegal catch attempt");
          },
          delegateYield: function delegateYield(iterable, resultName, nextLoc) {
            this.delegate = {
              iterator: values(iterable),
              resultName: resultName,
              nextLoc: nextLoc
            };

            if (this.method === "next") {
              this.arg = undefined;
            }

            return ContinueSentinel;
          }
        };
      }(function () {
        return this || (typeof self === "undefined" ? "undefined" : _typeof(self)) === "object" && self;
      }() || Function("return this")());
      /* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(5)(module)))

    /***/ }),
  /* 5 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    module.exports = function (module) {
      if (!module.webpackPolyfill) {
        module.deprecate = function () {};

        module.paths = [];
        if (!module.children) module.children = [];
        Object.defineProperty(module, "loaded", {
          enumerable: true,
          get: function get() {
            return module.l;
          }
        });
        Object.defineProperty(module, "id", {
          enumerable: true,
          get: function get() {
            return module.i;
          }
        });
        module.webpackPolyfill = 1;
      }

      return module;
    };

    /***/ }),
  /* 6 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.isValidRotation = isValidRotation;
    exports.isValidScrollMode = isValidScrollMode;
    exports.isValidSpreadMode = isValidSpreadMode;
    exports.isPortraitOrientation = isPortraitOrientation;
    exports.getGlobalEventBus = getGlobalEventBus;
    exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
    exports.noContextMenuHandler = noContextMenuHandler;
    exports.parseQueryString = parseQueryString;
    exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
    exports.getVisibleElements = getVisibleElements;
    exports.roundToDivide = roundToDivide;
    exports.getPageSizeInches = getPageSizeInches;
    exports.approximateFraction = approximateFraction;
    exports.getOutputScale = getOutputScale;
    exports.scrollIntoView = scrollIntoView;
    exports.watchScroll = watchScroll;
    exports.binarySearchFirstItem = binarySearchFirstItem;
    exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
    exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
    exports.moveToEndOfArray = moveToEndOfArray;
    exports.WaitOnType = exports.animationStarted = exports.ProgressBar = exports.EventBus = exports.NullL10n = exports.SpreadMode = exports.ScrollMode = exports.TextLayerMode = exports.RendererType = exports.PresentationModeState = exports.VERTICAL_PADDING = exports.SCROLLBAR_PADDING = exports.MAX_AUTO_SCALE = exports.UNKNOWN_SCALE = exports.MAX_SCALE = exports.MIN_SCALE = exports.DEFAULT_SCALE = exports.DEFAULT_SCALE_VALUE = exports.CSS_UNITS = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

    function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

    function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

    function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    var CSS_UNITS = 96.0 / 72.0;
    exports.CSS_UNITS = CSS_UNITS;
    var DEFAULT_SCALE_VALUE = 'auto';
    exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
    var DEFAULT_SCALE = 1.0;
    exports.DEFAULT_SCALE = DEFAULT_SCALE;
    var MIN_SCALE = 0.10;
    exports.MIN_SCALE = MIN_SCALE;
    var MAX_SCALE = 10.0;
    exports.MAX_SCALE = MAX_SCALE;
    var UNKNOWN_SCALE = 0;
    exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
    var MAX_AUTO_SCALE = 1.25;
    exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
    var SCROLLBAR_PADDING = 40;
    exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
    var VERTICAL_PADDING = 5;
    exports.VERTICAL_PADDING = VERTICAL_PADDING;
    var PresentationModeState = {
      UNKNOWN: 0,
      NORMAL: 1,
      CHANGING: 2,
      FULLSCREEN: 3
    };
    exports.PresentationModeState = PresentationModeState;
    var RendererType = {
      CANVAS: 'canvas',
      SVG: 'svg'
    };
    exports.RendererType = RendererType;
    var TextLayerMode = {
      DISABLE: 0,
      ENABLE: 1,
      ENABLE_ENHANCE: 2
    };
    exports.TextLayerMode = TextLayerMode;
    var ScrollMode = {
      UNKNOWN: -1,
      VERTICAL: 0,
      HORIZONTAL: 1,
      WRAPPED: 2
    };
    exports.ScrollMode = ScrollMode;
    var SpreadMode = {
      UNKNOWN: -1,
      NONE: 0,
      ODD: 1,
      EVEN: 2
    };
    exports.SpreadMode = SpreadMode;

    function formatL10nValue(text, args) {
      if (!args) {
        return text;
      }

      return text.replace(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) {
        return name in args ? args[name] : '{{' + name + '}}';
      });
    }

    var NullL10n = {
      getLanguage: function () {
        var _getLanguage = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee() {
              return _regenerator.default.wrap(function _callee$(_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      return _context.abrupt("return", 'en-us');

                    case 1:
                    case "end":
                      return _context.stop();
                  }
                }
              }, _callee, this);
            }));

        function getLanguage() {
          return _getLanguage.apply(this, arguments);
        }

        return getLanguage;
      }(),
      getDirection: function () {
        var _getDirection = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee2() {
              return _regenerator.default.wrap(function _callee2$(_context2) {
                while (1) {
                  switch (_context2.prev = _context2.next) {
                    case 0:
                      return _context2.abrupt("return", 'ltr');

                    case 1:
                    case "end":
                      return _context2.stop();
                  }
                }
              }, _callee2, this);
            }));

        function getDirection() {
          return _getDirection.apply(this, arguments);
        }

        return getDirection;
      }(),
      get: function () {
        var _get = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee3(property, args, fallback) {
              return _regenerator.default.wrap(function _callee3$(_context3) {
                while (1) {
                  switch (_context3.prev = _context3.next) {
                    case 0:
                      return _context3.abrupt("return", formatL10nValue(fallback, args));

                    case 1:
                    case "end":
                      return _context3.stop();
                  }
                }
              }, _callee3, this);
            }));

        function get(_x, _x2, _x3) {
          return _get.apply(this, arguments);
        }

        return get;
      }(),
      translate: function () {
        var _translate = _asyncToGenerator(
            /*#__PURE__*/
            _regenerator.default.mark(function _callee4(element) {
              return _regenerator.default.wrap(function _callee4$(_context4) {
                while (1) {
                  switch (_context4.prev = _context4.next) {
                    case 0:
                    case "end":
                      return _context4.stop();
                  }
                }
              }, _callee4, this);
            }));

        function translate(_x4) {
          return _translate.apply(this, arguments);
        }

        return translate;
      }()
    };
    exports.NullL10n = NullL10n;

    function getOutputScale(ctx) {
      var devicePixelRatio = window.devicePixelRatio || 1;
      var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
      var pixelRatio = devicePixelRatio / backingStoreRatio;
      return {
        sx: pixelRatio,
        sy: pixelRatio,
        scaled: pixelRatio !== 1
      };
    }

    function scrollIntoView(element, spot) {
      var skipOverflowHiddenElements = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      var parent = element.offsetParent;

      if (!parent) {
        console.error('offsetParent is not set -- cannot scroll');
        return;
      }

      var offsetY = element.offsetTop + element.clientTop;
      var offsetX = element.offsetLeft + element.clientLeft;

      while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === 'hidden') {
        if (parent.dataset._scaleY) {
          offsetY /= parent.dataset._scaleY;
          offsetX /= parent.dataset._scaleX;
        }

        offsetY += parent.offsetTop;
        offsetX += parent.offsetLeft;
        parent = parent.offsetParent;

        if (!parent) {
          return;
        }
      }

      if (spot) {
        if (spot.top !== undefined) {
          offsetY += spot.top;
        }

        if (spot.left !== undefined) {
          offsetX += spot.left;
          parent.scrollLeft = offsetX;
        }
      }

      parent.scrollTop = offsetY;
    }

    function watchScroll(viewAreaElement, callback) {
      var debounceScroll = function debounceScroll(evt) {
        if (rAF) {
          return;
        }

        rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
          rAF = null;
          var currentX = viewAreaElement.scrollLeft;
          var lastX = state.lastX;

          if (currentX !== lastX) {
            state.right = currentX > lastX;
          }

          state.lastX = currentX;
          var currentY = viewAreaElement.scrollTop;
          var lastY = state.lastY;

          if (currentY !== lastY) {
            state.down = currentY > lastY;
          }

          state.lastY = currentY;
          callback(state);
        });
      };

      var state = {
        right: true,
        down: true,
        lastX: viewAreaElement.scrollLeft,
        lastY: viewAreaElement.scrollTop,
        _eventHandler: debounceScroll
      };
      var rAF = null;
      viewAreaElement.addEventListener('scroll', debounceScroll, true);
      return state;
    }

    function parseQueryString(query) {
      var parts = query.split('&');
      var params = Object.create(null);

      for (var i = 0, ii = parts.length; i < ii; ++i) {
        var param = parts[i].split('=');
        var key = param[0].toLowerCase();
        var value = param.length > 1 ? param[1] : null;
        params[decodeURIComponent(key)] = decodeURIComponent(value);
      }

      return params;
    }

    function binarySearchFirstItem(items, condition) {
      var minIndex = 0;
      var maxIndex = items.length - 1;

      if (items.length === 0 || !condition(items[maxIndex])) {
        return items.length;
      }

      if (condition(items[minIndex])) {
        return minIndex;
      }

      while (minIndex < maxIndex) {
        var currentIndex = minIndex + maxIndex >> 1;
        var currentItem = items[currentIndex];

        if (condition(currentItem)) {
          maxIndex = currentIndex;
        } else {
          minIndex = currentIndex + 1;
        }
      }

      return minIndex;
    }

    function approximateFraction(x) {
      if (Math.floor(x) === x) {
        return [x, 1];
      }

      var xinv = 1 / x;
      var limit = 8;

      if (xinv > limit) {
        return [1, limit];
      } else if (Math.floor(xinv) === xinv) {
        return [1, xinv];
      }

      var x_ = x > 1 ? xinv : x;
      var a = 0,
          b = 1,
          c = 1,
          d = 1;

      while (true) {
        var p = a + c,
            q = b + d;

        if (q > limit) {
          break;
        }

        if (x_ <= p / q) {
          c = p;
          d = q;
        } else {
          a = p;
          b = q;
        }
      }

      var result;

      if (x_ - a / b < c / d - x_) {
        result = x_ === x ? [a, b] : [b, a];
      } else {
        result = x_ === x ? [c, d] : [d, c];
      }

      return result;
    }

    function roundToDivide(x, div) {
      var r = x % div;
      return r === 0 ? x : Math.round(x - r + div);
    }

    function getPageSizeInches(_ref) {
      var view = _ref.view,
          userUnit = _ref.userUnit,
          rotate = _ref.rotate;

      var _view = _slicedToArray(view, 4),
          x1 = _view[0],
          y1 = _view[1],
          x2 = _view[2],
          y2 = _view[3];

      var changeOrientation = rotate % 180 !== 0;
      var width = (x2 - x1) / 72 * userUnit;
      var height = (y2 - y1) / 72 * userUnit;
      return {
        width: changeOrientation ? height : width,
        height: changeOrientation ? width : height
      };
    }

    function backtrackBeforeAllVisibleElements(index, views, top) {
      if (index < 2) {
        return index;
      }

      var elt = views[index].div;
      var pageTop = elt.offsetTop + elt.clientTop;

      if (pageTop >= top) {
        elt = views[index - 1].div;
        pageTop = elt.offsetTop + elt.clientTop;
      }

      for (var i = index - 2; i >= 0; --i) {
        elt = views[i].div;

        if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
          break;
        }

        index = i;
      }

      return index;
    }

    function getVisibleElements(scrollEl, views) {
      var sortByVisibility = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
      var horizontal = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
      var top = scrollEl.scrollTop,
          bottom = top + scrollEl.clientHeight;
      var left = scrollEl.scrollLeft,
          right = left + scrollEl.clientWidth;

      function isElementBottomAfterViewTop(view) {
        var element = view.div;
        var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
        return elementBottom > top;
      }

      function isElementRightAfterViewLeft(view) {
        var element = view.div;
        var elementRight = element.offsetLeft + element.clientLeft + element.clientWidth;
        return elementRight > left;
      }

      var visible = [],
          numViews = views.length;
      var firstVisibleElementInd = numViews === 0 ? 0 : binarySearchFirstItem(views, horizontal ? isElementRightAfterViewLeft : isElementBottomAfterViewTop);

      if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
        firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
      }

      var lastEdge = horizontal ? right : -1;

      for (var i = firstVisibleElementInd; i < numViews; i++) {
        var view = views[i],
            element = view.div;
        var currentWidth = element.offsetLeft + element.clientLeft;
        var currentHeight = element.offsetTop + element.clientTop;
        var viewWidth = element.clientWidth,
            viewHeight = element.clientHeight;
        var viewRight = currentWidth + viewWidth;
        var viewBottom = currentHeight + viewHeight;

        if (lastEdge === -1) {
          if (viewBottom >= bottom) {
            lastEdge = viewBottom;
          }
        } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
          break;
        }

        if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
          continue;
        }

        var hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
        var hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
        var percent = (viewHeight - hiddenHeight) * (viewWidth - hiddenWidth) * 100 / viewHeight / viewWidth | 0;
        visible.push({
          id: view.id,
          x: currentWidth,
          y: currentHeight,
          view: view,
          percent: percent
        });
      }

      var first = visible[0],
          last = visible[visible.length - 1];

      if (sortByVisibility) {
        visible.sort(function (a, b) {
          var pc = a.percent - b.percent;

          if (Math.abs(pc) > 0.001) {
            return -pc;
          }

          return a.id - b.id;
        });
      }

      return {
        first: first,
        last: last,
        views: visible
      };
    }

    function noContextMenuHandler(evt) {
      evt.preventDefault();
    }

    function isDataSchema(url) {
      var i = 0,
          ii = url.length;

      while (i < ii && url[i].trim() === '') {
        i++;
      }

      return url.substring(i, i + 5).toLowerCase() === 'data:';
    }

    function getPDFFileNameFromURL(url) {
      var defaultFilename = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'document.pdf';

      if (typeof url !== 'string') {
        return defaultFilename;
      }

      if (isDataSchema(url)) {
        console.warn('getPDFFileNameFromURL: ' + 'ignoring "data:" URL for performance reasons.');
        return defaultFilename;
      }

      var reURI = /^(?:(?:[^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
      var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
      var splitURI = reURI.exec(url);
      var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);

      if (suggestedFilename) {
        suggestedFilename = suggestedFilename[0];

        if (suggestedFilename.includes('%')) {
          try {
            suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
          } catch (ex) {}
        }
      }

      return suggestedFilename || defaultFilename;
    }

    function normalizeWheelEventDelta(evt) {
      var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
      var angle = Math.atan2(evt.deltaY, evt.deltaX);

      if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
        delta = -delta;
      }

      var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
      var MOUSE_DOM_DELTA_LINE_MODE = 1;
      var MOUSE_PIXELS_PER_LINE = 30;
      var MOUSE_LINES_PER_PAGE = 30;

      if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
        delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
      } else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
        delta /= MOUSE_LINES_PER_PAGE;
      }

      return delta;
    }

    function isValidRotation(angle) {
      return Number.isInteger(angle) && angle % 90 === 0;
    }

    function isValidScrollMode(mode) {
      return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
    }

    function isValidSpreadMode(mode) {
      return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
    }

    function isPortraitOrientation(size) {
      return size.width <= size.height;
    }

    var WaitOnType = {
      EVENT: 'event',
      TIMEOUT: 'timeout'
    };
    exports.WaitOnType = WaitOnType;

    function waitOnEventOrTimeout(_ref2) {
      var target = _ref2.target,
          name = _ref2.name,
          _ref2$delay = _ref2.delay,
          delay = _ref2$delay === void 0 ? 0 : _ref2$delay;
      return new Promise(function (resolve, reject) {
        if (_typeof(target) !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) {
          throw new Error('waitOnEventOrTimeout - invalid parameters.');
        }

        function handler(type) {
          if (target instanceof EventBus) {
            target.off(name, eventHandler);
          } else {
            target.removeEventListener(name, eventHandler);
          }

          if (timeout) {
            clearTimeout(timeout);
          }

          resolve(type);
        }

        var eventHandler = handler.bind(null, WaitOnType.EVENT);

        if (target instanceof EventBus) {
          target.on(name, eventHandler);
        } else {
          target.addEventListener(name, eventHandler);
        }

        var timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
        var timeout = setTimeout(timeoutHandler, delay);
      });
    }

    var animationStarted = new Promise(function (resolve) {
      window.requestAnimationFrame(resolve);
    });
    exports.animationStarted = animationStarted;

    var EventBus =
        /*#__PURE__*/
        function () {
          function EventBus() {
            var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                _ref3$dispatchToDOM = _ref3.dispatchToDOM,
                dispatchToDOM = _ref3$dispatchToDOM === void 0 ? false : _ref3$dispatchToDOM;

            _classCallCheck(this, EventBus);

            this._listeners = Object.create(null);
            this._dispatchToDOM = dispatchToDOM === true;
          }

          _createClass(EventBus, [{
            key: "on",
            value: function on(eventName, listener) {
              var eventListeners = this._listeners[eventName];

              if (!eventListeners) {
                eventListeners = [];
                this._listeners[eventName] = eventListeners;
              }

              eventListeners.push(listener);
            }
          }, {
            key: "off",
            value: function off(eventName, listener) {
              var eventListeners = this._listeners[eventName];
              var i;

              if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
                return;
              }

              eventListeners.splice(i, 1);
            }
          }, {
            key: "dispatch",
            value: function dispatch(eventName) {
              var eventListeners = this._listeners[eventName];

              if (!eventListeners || eventListeners.length === 0) {
                if (this._dispatchToDOM) {
                  var _args5 = Array.prototype.slice.call(arguments, 1);

                  this._dispatchDOMEvent(eventName, _args5);
                }

                return;
              }

              var args = Array.prototype.slice.call(arguments, 1);
              eventListeners.slice(0).forEach(function (listener) {
                listener.apply(null, args);
              });

              if (this._dispatchToDOM) {
                this._dispatchDOMEvent(eventName, args);
              }
            }
          }, {
            key: "_dispatchDOMEvent",
            value: function _dispatchDOMEvent(eventName) {
              var args = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
              var details = Object.create(null);

              if (args && args.length > 0) {
                var obj = args[0];

                for (var key in obj) {
                  var value = obj[key];

                  if (key === 'source') {
                    if (value === window || value === document) {
                      return;
                    }

                    continue;
                  }

                  details[key] = value;
                }
              }

              var event = document.createEvent('CustomEvent');
              event.initCustomEvent(eventName, true, true, details);
              document.dispatchEvent(event);
            }
          }]);

          return EventBus;
        }();

    exports.EventBus = EventBus;
    var globalEventBus = null;

    function getGlobalEventBus() {
      var dispatchToDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

      if (!globalEventBus) {
        globalEventBus = new EventBus({
          dispatchToDOM: dispatchToDOM
        });
      }

      return globalEventBus;
    }

    function clamp(v, min, max) {
      return Math.min(Math.max(v, min), max);
    }

    var ProgressBar =
        /*#__PURE__*/
        function () {
          function ProgressBar(id) {
            var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
                height = _ref4.height,
                width = _ref4.width,
                units = _ref4.units;

            _classCallCheck(this, ProgressBar);

            this.visible = true;
            this.div = document.querySelector(id + ' .progress');
            this.bar = this.div.parentNode;
            this.height = height || 100;
            this.width = width || 100;
            this.units = units || '%';
            this.div.style.height = this.height + this.units;
            this.percent = 0;
          }

          _createClass(ProgressBar, [{
            key: "_updateBar",
            value: function _updateBar() {
              if (this._indeterminate) {
                this.div.classList.add('indeterminate');
                this.div.style.width = this.width + this.units;
                return;
              }

              this.div.classList.remove('indeterminate');
              var progressSize = this.width * this._percent / 100;
              this.div.style.width = progressSize + this.units;
            }
          }, {
            key: "setWidth",
            value: function setWidth(viewer) {
              if (!viewer) {
                return;
              }

              var container = viewer.parentNode;
              var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;

              if (scrollbarWidth > 0) {
                this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
              }
            }
          }, {
            key: "hide",
            value: function hide() {
              if (!this.visible) {
                return;
              }

              this.visible = false;
              this.bar.classList.add('hidden');
              document.body.classList.remove('loadingInProgress');
            }
          }, {
            key: "show",
            value: function show() {
              if (this.visible) {
                return;
              }

              this.visible = true;
              document.body.classList.add('loadingInProgress');
              this.bar.classList.remove('hidden');
            }
          }, {
            key: "percent",
            get: function get() {
              return this._percent;
            },
            set: function set(val) {
              this._indeterminate = isNaN(val);
              this._percent = clamp(val, 0, 100);

              this._updateBar();
            }
          }]);

          return ProgressBar;
        }();

    exports.ProgressBar = ProgressBar;

    function moveToEndOfArray(arr, condition) {
      var moved = [],
          len = arr.length;
      var write = 0;

      for (var read = 0; read < len; ++read) {
        if (condition(arr[read])) {
          moved.push(arr[read]);
        } else {
          arr[write] = arr[read];
          ++write;
        }
      }

      for (var _read = 0; write < len; ++_read, ++write) {
        arr[write] = moved[_read];
      }
    }

    /***/ }),
  /* 7 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    var pdfjsLib;

    if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) {
      pdfjsLib = window['pdfjs-dist/build/pdf'];
    } else {
      pdfjsLib = require('./pdf.js');
    }

    module.exports = pdfjsLib;

    /***/ }),
  /* 8 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFCursorTools = exports.CursorTool = void 0;

    var _grab_to_pan = __webpack_require__(9);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var CursorTool = {
      SELECT: 0,
      HAND: 1,
      ZOOM: 2
    };
    exports.CursorTool = CursorTool;

    var PDFCursorTools =
        /*#__PURE__*/
        function () {
          function PDFCursorTools(_ref) {
            var _this = this;

            var container = _ref.container,
                eventBus = _ref.eventBus,
                _ref$cursorToolOnLoad = _ref.cursorToolOnLoad,
                cursorToolOnLoad = _ref$cursorToolOnLoad === void 0 ? CursorTool.SELECT : _ref$cursorToolOnLoad;

            _classCallCheck(this, PDFCursorTools);

            this.container = container;
            this.eventBus = eventBus;
            this.active = CursorTool.SELECT;
            this.activeBeforePresentationMode = null;
            this.handTool = new _grab_to_pan.GrabToPan({
              element: this.container
            });

            this._addEventListeners();

            Promise.resolve().then(function () {
              _this.switchTool(cursorToolOnLoad);
            });
          }

          _createClass(PDFCursorTools, [{
            key: "switchTool",
            value: function switchTool(tool) {
              var _this2 = this;

              if (this.activeBeforePresentationMode !== null) {
                return;
              }

              if (tool === this.active) {
                return;
              }

              var disableActiveTool = function disableActiveTool() {
                switch (_this2.active) {
                  case CursorTool.SELECT:
                    break;

                  case CursorTool.HAND:
                    _this2.handTool.deactivate();

                    break;

                  case CursorTool.ZOOM:
                }
              };

              switch (tool) {
                case CursorTool.SELECT:
                  disableActiveTool();
                  break;

                case CursorTool.HAND:
                  disableActiveTool();
                  this.handTool.activate();
                  break;

                case CursorTool.ZOOM:
                default:
                  console.error("switchTool: \"".concat(tool, "\" is an unsupported value."));
                  return;
              }

              this.active = tool;

              this._dispatchEvent();
            }
          }, {
            key: "_dispatchEvent",
            value: function _dispatchEvent() {
              this.eventBus.dispatch('cursortoolchanged', {
                source: this,
                tool: this.active
              });
            }
          }, {
            key: "_addEventListeners",
            value: function _addEventListeners() {
              var _this3 = this;

              this.eventBus.on('switchcursortool', function (evt) {
                _this3.switchTool(evt.tool);
              });
              this.eventBus.on('presentationmodechanged', function (evt) {
                if (evt.switchInProgress) {
                  return;
                }

                var previouslyActive;

                if (evt.active) {
                  previouslyActive = _this3.active;

                  _this3.switchTool(CursorTool.SELECT);

                  _this3.activeBeforePresentationMode = previouslyActive;
                } else {
                  previouslyActive = _this3.activeBeforePresentationMode;
                  _this3.activeBeforePresentationMode = null;

                  _this3.switchTool(previouslyActive);
                }
              });
            }
          }, {
            key: "activeTool",
            get: function get() {
              return this.active;
            }
          }]);

          return PDFCursorTools;
        }();

    exports.PDFCursorTools = PDFCursorTools;

    /***/ }),
  /* 9 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.GrabToPan = GrabToPan;

    function GrabToPan(options) {
      this.element = options.element;
      this.document = options.element.ownerDocument;

      if (typeof options.ignoreTarget === 'function') {
        this.ignoreTarget = options.ignoreTarget;
      }

      this.onActiveChanged = options.onActiveChanged;
      this.activate = this.activate.bind(this);
      this.deactivate = this.deactivate.bind(this);
      this.toggle = this.toggle.bind(this);
      this._onmousedown = this._onmousedown.bind(this);
      this._onmousemove = this._onmousemove.bind(this);
      this._endPan = this._endPan.bind(this);
      var overlay = this.overlay = document.createElement('div');
      overlay.className = 'grab-to-pan-grabbing';
    }

    GrabToPan.prototype = {
      CSS_CLASS_GRAB: 'grab-to-pan-grab',
      activate: function GrabToPan_activate() {
        if (!this.active) {
          this.active = true;
          this.element.addEventListener('mousedown', this._onmousedown, true);
          this.element.classList.add(this.CSS_CLASS_GRAB);

          if (this.onActiveChanged) {
            this.onActiveChanged(true);
          }
        }
      },
      deactivate: function GrabToPan_deactivate() {
        if (this.active) {
          this.active = false;
          this.element.removeEventListener('mousedown', this._onmousedown, true);

          this._endPan();

          this.element.classList.remove(this.CSS_CLASS_GRAB);

          if (this.onActiveChanged) {
            this.onActiveChanged(false);
          }
        }
      },
      toggle: function GrabToPan_toggle() {
        if (this.active) {
          this.deactivate();
        } else {
          this.activate();
        }
      },
      ignoreTarget: function GrabToPan_ignoreTarget(node) {
        return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option');
      },
      _onmousedown: function GrabToPan__onmousedown(event) {
        if (event.button !== 0 || this.ignoreTarget(event.target)) {
          return;
        }

        if (event.originalTarget) {
          try {
            event.originalTarget.tagName;
          } catch (e) {
            return;
          }
        }

        this.scrollLeftStart = this.element.scrollLeft;
        this.scrollTopStart = this.element.scrollTop;
        this.clientXStart = event.clientX;
        this.clientYStart = event.clientY;
        this.document.addEventListener('mousemove', this._onmousemove, true);
        this.document.addEventListener('mouseup', this._endPan, true);
        this.element.addEventListener('scroll', this._endPan, true);
        event.preventDefault();
        event.stopPropagation();
        var focusedElement = document.activeElement;

        if (focusedElement && !focusedElement.contains(event.target)) {
          focusedElement.blur();
        }
      },
      _onmousemove: function GrabToPan__onmousemove(event) {
        this.element.removeEventListener('scroll', this._endPan, true);

        if (isLeftMouseReleased(event)) {
          this._endPan();

          return;
        }

        var xDiff = event.clientX - this.clientXStart;
        var yDiff = event.clientY - this.clientYStart;
        var scrollTop = this.scrollTopStart - yDiff;
        var scrollLeft = this.scrollLeftStart - xDiff;

        if (this.element.scrollTo) {
          this.element.scrollTo({
            top: scrollTop,
            left: scrollLeft,
            behavior: 'instant'
          });
        } else {
          this.element.scrollTop = scrollTop;
          this.element.scrollLeft = scrollLeft;
        }

        if (!this.overlay.parentNode) {
          document.body.appendChild(this.overlay);
        }
      },
      _endPan: function GrabToPan__endPan() {
        this.element.removeEventListener('scroll', this._endPan, true);
        this.document.removeEventListener('mousemove', this._onmousemove, true);
        this.document.removeEventListener('mouseup', this._endPan, true);
        this.overlay.remove();
      }
    };
    var matchesSelector;
    ['webkitM', 'mozM', 'msM', 'oM', 'm'].some(function (prefix) {
      var name = prefix + 'atches';

      if (name in document.documentElement) {
        matchesSelector = name;
      }

      name += 'Selector';

      if (name in document.documentElement) {
        matchesSelector = name;
      }

      return matchesSelector;
    });
    var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
    var chrome = window.chrome;
    var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
    var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);

    function isLeftMouseReleased(event) {
      if ('buttons' in event && isNotIEorIsIE10plus) {
        return !(event.buttons & 1);
      }

      if (isChrome15OrOpera15plus || isSafari6plus) {
        return event.which === 0;
      }
    }

    /***/ }),
  /* 10 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFRenderingQueue = exports.RenderingStates = void 0;

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var CLEANUP_TIMEOUT = 30000;
    var RenderingStates = {
      INITIAL: 0,
      RUNNING: 1,
      PAUSED: 2,
      FINISHED: 3
    };
    exports.RenderingStates = RenderingStates;

    var PDFRenderingQueue =
        /*#__PURE__*/
        function () {
          function PDFRenderingQueue() {
            _classCallCheck(this, PDFRenderingQueue);

            this.pdfViewer = null;
            this.pdfThumbnailViewer = null;
            this.onIdle = null;
            this.highestPriorityPage = null;
            this.idleTimeout = null;
            this.printing = false;
            this.isThumbnailViewEnabled = false;
          }

          _createClass(PDFRenderingQueue, [{
            key: "setViewer",
            value: function setViewer(pdfViewer) {
              this.pdfViewer = pdfViewer;
            }
          }, {
            key: "setThumbnailViewer",
            value: function setThumbnailViewer(pdfThumbnailViewer) {
              this.pdfThumbnailViewer = pdfThumbnailViewer;
            }
          }, {
            key: "isHighestPriority",
            value: function isHighestPriority(view) {
              return this.highestPriorityPage === view.renderingId;
            }
          }, {
            key: "renderHighestPriority",
            value: function renderHighestPriority(currentlyVisiblePages) {
              if (this.idleTimeout) {
                clearTimeout(this.idleTimeout);
                this.idleTimeout = null;
              }

              if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
                return;
              }

              if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
                if (this.pdfThumbnailViewer.forceRendering()) {
                  return;
                }
              }

              if (this.printing) {
                return;
              }

              if (this.onIdle) {
                this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
              }
            }
          }, {
            key: "getHighestPriority",
            value: function getHighestPriority(visible, views, scrolledDown) {
              var visibleViews = visible.views;
              var numVisible = visibleViews.length;

              if (numVisible === 0) {
                return false;
              }

              for (var i = 0; i < numVisible; ++i) {
                var view = visibleViews[i].view;

                if (!this.isViewFinished(view)) {
                  return view;
                }
              }

              if (scrolledDown) {
                var nextPageIndex = visible.last.id;

                if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
                  return views[nextPageIndex];
                }
              } else {
                var previousPageIndex = visible.first.id - 2;

                if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
                  return views[previousPageIndex];
                }
              }

              return null;
            }
          }, {
            key: "isViewFinished",
            value: function isViewFinished(view) {
              return view.renderingState === RenderingStates.FINISHED;
            }
          }, {
            key: "renderView",
            value: function renderView(view) {
              var _this = this;

              switch (view.renderingState) {
                case RenderingStates.FINISHED:
                  return false;

                case RenderingStates.PAUSED:
                  this.highestPriorityPage = view.renderingId;
                  view.resume();
                  break;

                case RenderingStates.RUNNING:
                  this.highestPriorityPage = view.renderingId;
                  break;

                case RenderingStates.INITIAL:
                  this.highestPriorityPage = view.renderingId;

                  var continueRendering = function continueRendering() {
                    _this.renderHighestPriority();
                  };

                  view.draw().then(continueRendering, continueRendering);
                  break;
              }

              return true;
            }
          }]);

          return PDFRenderingQueue;
        }();

    exports.PDFRenderingQueue = PDFRenderingQueue;

    /***/ }),
  /* 11 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFSidebar = exports.SidebarView = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdf_rendering_queue = __webpack_require__(10);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var UI_NOTIFICATION_CLASS = 'pdfSidebarNotification';
    var SidebarView = {
      UNKNOWN: -1,
      NONE: 0,
      THUMBS: 1,
      OUTLINE: 2,
      ATTACHMENTS: 3,
      LAYERS: 4
    };
    exports.SidebarView = SidebarView;

    var PDFSidebar =
        /*#__PURE__*/
        function () {
          function PDFSidebar(options, eventBus) {
            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFSidebar);

            this.isOpen = false;
            this.active = SidebarView.THUMBS;
            this.isInitialViewSet = false;
            this.onToggled = null;
            this.pdfViewer = options.pdfViewer;
            this.pdfThumbnailViewer = options.pdfThumbnailViewer;
            this.outerContainer = options.outerContainer;
            this.viewerContainer = options.viewerContainer;
            this.toggleButton = options.toggleButton;
            this.thumbnailButton = options.thumbnailButton;
            this.outlineButton = options.outlineButton;
            this.attachmentsButton = options.attachmentsButton;
            this.thumbnailView = options.thumbnailView;
            this.outlineView = options.outlineView;
            this.attachmentsView = options.attachmentsView;
            this.disableNotification = options.disableNotification || false;
            this.eventBus = eventBus;
            this.l10n = l10n;

            this._addEventListeners();
          }

          _createClass(PDFSidebar, [{
            key: "reset",
            value: function reset() {
              this.isInitialViewSet = false;

              this._hideUINotification(null);

              this.switchView(SidebarView.THUMBS);
              this.outlineButton.disabled = false;
              this.attachmentsButton.disabled = false;
            }
          }, {
            key: "setInitialView",
            value: function setInitialView() {
              var view = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : SidebarView.NONE;

              if (this.isInitialViewSet) {
                return;
              }

              this.isInitialViewSet = true;

              if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) {
                this._dispatchEvent();

                return;
              }

              if (!this._switchView(view, true)) {
                this._dispatchEvent();
              }
            }
          }, {
            key: "switchView",
            value: function switchView(view) {
              var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              this._switchView(view, forceOpen);
            }
          }, {
            key: "_switchView",
            value: function _switchView(view) {
              var forceOpen = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
              var isViewChanged = view !== this.active;
              var shouldForceRendering = false;

              switch (view) {
                case SidebarView.NONE:
                  if (this.isOpen) {
                    this.close();
                    return true;
                  }

                  return false;

                case SidebarView.THUMBS:
                  if (this.isOpen && isViewChanged) {
                    shouldForceRendering = true;
                  }

                  break;

                case SidebarView.OUTLINE:
                  if (this.outlineButton.disabled) {
                    return false;
                  }

                  break;

                case SidebarView.ATTACHMENTS:
                  if (this.attachmentsButton.disabled) {
                    return false;
                  }

                  break;

                default:
                  console.error("PDFSidebar._switchView: \"".concat(view, "\" is not a valid view."));
                  return false;
              }

              this.active = view;
              this.thumbnailButton.classList.toggle('toggled', view === SidebarView.THUMBS);
              this.outlineButton.classList.toggle('toggled', view === SidebarView.OUTLINE);
              this.attachmentsButton.classList.toggle('toggled', view === SidebarView.ATTACHMENTS);
              this.thumbnailView.classList.toggle('hidden', view !== SidebarView.THUMBS);
              this.outlineView.classList.toggle('hidden', view !== SidebarView.OUTLINE);
              this.attachmentsView.classList.toggle('hidden', view !== SidebarView.ATTACHMENTS);

              if (forceOpen && !this.isOpen) {
                this.open();
                return true;
              }

              if (shouldForceRendering) {
                this._updateThumbnailViewer();

                this._forceRendering();
              }

              if (isViewChanged) {
                this._dispatchEvent();
              }

              this._hideUINotification(this.active);

              return isViewChanged;
            }
          }, {
            key: "open",
            value: function open() {
              if (this.isOpen) {
                return;
              }

              this.isOpen = true;
              this.toggleButton.classList.add('toggled');
              this.outerContainer.classList.add('sidebarMoving', 'sidebarOpen');

              if (this.active === SidebarView.THUMBS) {
                this._updateThumbnailViewer();
              }

              this._forceRendering();

              this._dispatchEvent();

              this._hideUINotification(this.active);
            }
          }, {
            key: "close",
            value: function close() {
              if (!this.isOpen) {
                return;
              }

              this.isOpen = false;
              this.toggleButton.classList.remove('toggled');
              this.outerContainer.classList.add('sidebarMoving');
              this.outerContainer.classList.remove('sidebarOpen');

              this._forceRendering();

              this._dispatchEvent();
            }
          }, {
            key: "toggle",
            value: function toggle() {
              if (this.isOpen) {
                this.close();
              } else {
                this.open();
              }
            }
          }, {
            key: "_dispatchEvent",
            value: function _dispatchEvent() {
              this.eventBus.dispatch('sidebarviewchanged', {
                source: this,
                view: this.visibleView
              });
            }
          }, {
            key: "_forceRendering",
            value: function _forceRendering() {
              if (this.onToggled) {
                this.onToggled();
              } else {
                this.pdfViewer.forceRendering();
                this.pdfThumbnailViewer.forceRendering();
              }
            }
          }, {
            key: "_updateThumbnailViewer",
            value: function _updateThumbnailViewer() {
              var pdfViewer = this.pdfViewer,
                  pdfThumbnailViewer = this.pdfThumbnailViewer;
              var pagesCount = pdfViewer.pagesCount;

              for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
                var pageView = pdfViewer.getPageView(pageIndex);

                if (pageView && pageView.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
                  var thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
                  thumbnailView.setImage(pageView);
                }
              }

              pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
            }
          }, {
            key: "_showUINotification",
            value: function _showUINotification(view) {
              var _this = this;

              if (this.disableNotification) {
                return;
              }

              this.l10n.get('toggle_sidebar_notification.title', null, 'Toggle Sidebar (document contains outline/attachments)').then(function (msg) {
                _this.toggleButton.title = msg;
              });

              if (!this.isOpen) {
                this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
              } else if (view === this.active) {
                return;
              }

              switch (view) {
                case SidebarView.OUTLINE:
                  this.outlineButton.classList.add(UI_NOTIFICATION_CLASS);
                  break;

                case SidebarView.ATTACHMENTS:
                  this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS);
                  break;
              }
            }
          }, {
            key: "_hideUINotification",
            value: function _hideUINotification(view) {
              var _this2 = this;

              if (this.disableNotification) {
                return;
              }

              var removeNotification = function removeNotification(view) {
                switch (view) {
                  case SidebarView.OUTLINE:
                    _this2.outlineButton.classList.remove(UI_NOTIFICATION_CLASS);

                    break;

                  case SidebarView.ATTACHMENTS:
                    _this2.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS);

                    break;
                }
              };

              if (!this.isOpen && view !== null) {
                return;
              }

              this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);

              if (view !== null) {
                removeNotification(view);
                return;
              }

              for (view in SidebarView) {
                removeNotification(SidebarView[view]);
              }

              this.l10n.get('toggle_sidebar.title', null, 'Toggle Sidebar').then(function (msg) {
                _this2.toggleButton.title = msg;
              });
            }
          }, {
            key: "_addEventListeners",
            value: function _addEventListeners() {
              var _this3 = this;

              this.viewerContainer.addEventListener('transitionend', function (evt) {
                if (evt.target === _this3.viewerContainer) {
                  _this3.outerContainer.classList.remove('sidebarMoving');
                }
              });
              this.thumbnailButton.addEventListener('click', function () {
                _this3.switchView(SidebarView.THUMBS);
              });
              this.outlineButton.addEventListener('click', function () {
                _this3.switchView(SidebarView.OUTLINE);
              });
              this.outlineButton.addEventListener('dblclick', function () {
                _this3.eventBus.dispatch('toggleoutlinetree', {
                  source: _this3
                });
              });
              this.attachmentsButton.addEventListener('click', function () {
                _this3.switchView(SidebarView.ATTACHMENTS);
              });
              this.eventBus.on('outlineloaded', function (evt) {
                var outlineCount = evt.outlineCount;
                _this3.outlineButton.disabled = !outlineCount;

                if (outlineCount) {
                  _this3._showUINotification(SidebarView.OUTLINE);
                } else if (_this3.active === SidebarView.OUTLINE) {
                  _this3.switchView(SidebarView.THUMBS);
                }
              });
              this.eventBus.on('attachmentsloaded', function (evt) {
                if (evt.attachmentsCount) {
                  _this3.attachmentsButton.disabled = false;

                  _this3._showUINotification(SidebarView.ATTACHMENTS);

                  return;
                }

                Promise.resolve().then(function () {
                  if (_this3.attachmentsView.hasChildNodes()) {
                    return;
                  }

                  _this3.attachmentsButton.disabled = true;

                  if (_this3.active === SidebarView.ATTACHMENTS) {
                    _this3.switchView(SidebarView.THUMBS);
                  }
                });
              });
              this.eventBus.on('presentationmodechanged', function (evt) {
                if (!evt.active && !evt.switchInProgress && _this3.isThumbnailViewVisible) {
                  _this3._updateThumbnailViewer();
                }
              });
            }
          }, {
            key: "visibleView",
            get: function get() {
              return this.isOpen ? this.active : SidebarView.NONE;
            }
          }, {
            key: "isThumbnailViewVisible",
            get: function get() {
              return this.isOpen && this.active === SidebarView.THUMBS;
            }
          }, {
            key: "isOutlineViewVisible",
            get: function get() {
              return this.isOpen && this.active === SidebarView.OUTLINE;
            }
          }, {
            key: "isAttachmentsViewVisible",
            get: function get() {
              return this.isOpen && this.active === SidebarView.ATTACHMENTS;
            }
          }]);

          return PDFSidebar;
        }();

    exports.PDFSidebar = PDFSidebar;

    /***/ }),
  /* 12 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.OptionKind = exports.AppOptions = void 0;

    var _pdfjsLib = __webpack_require__(7);

    var _viewer_compatibility = __webpack_require__(13);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var OptionKind = {
      VIEWER: 'viewer',
      API: 'api',
      WORKER: 'worker'
    };
    exports.OptionKind = OptionKind;
    var defaultOptions = {
      cursorToolOnLoad: {
        value: 0,
        kind: OptionKind.VIEWER
      },
      defaultUrl: {
        value: DEFAULT_URL,
        kind: OptionKind.VIEWER
      },
      defaultZoomValue: {
        value: '',
        kind: OptionKind.VIEWER
      },
      disableHistory: {
        value: false,
        kind: OptionKind.VIEWER
      },
      disablePageLabels: {
        value: false,
        kind: OptionKind.VIEWER
      },
      enablePrintAutoRotate: {
        value: false,
        kind: OptionKind.VIEWER
      },
      enableWebGL: {
        value: false,
        kind: OptionKind.VIEWER
      },
      eventBusDispatchToDOM: {
        value: false,
        kind: OptionKind.VIEWER
      },
      externalLinkRel: {
        value: 'noopener noreferrer nofollow',
        kind: OptionKind.VIEWER
      },
      externalLinkTarget: {
        value: 0,
        kind: OptionKind.VIEWER
      },
      historyUpdateUrl: {
        value: false,
        kind: OptionKind.VIEWER
      },
      imageResourcesPath: {
        value: './images/',
        kind: OptionKind.VIEWER
      },
      maxCanvasPixels: {
        value: 16777216,
        compatibility: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels,
        kind: OptionKind.VIEWER
      },
      pdfBugEnabled: {
        value: false,
        kind: OptionKind.VIEWER
      },
      renderer: {
        value: 'canvas',
        kind: OptionKind.VIEWER
      },
      renderInteractiveForms: {
        value: false,
        kind: OptionKind.VIEWER
      },
      sidebarViewOnLoad: {
        value: -1,
        kind: OptionKind.VIEWER
      },
      scrollModeOnLoad: {
        value: -1,
        kind: OptionKind.VIEWER
      },
      spreadModeOnLoad: {
        value: -1,
        kind: OptionKind.VIEWER
      },
      textLayerMode: {
        value: 1,
        kind: OptionKind.VIEWER
      },
      useOnlyCssZoom: {
        value: false,
        kind: OptionKind.VIEWER
      },
      viewOnLoad: {
        value: 0,
        kind: OptionKind.VIEWER
      },
      cMapPacked: {
        value: true,
        kind: OptionKind.API
      },
      cMapUrl: {
        value: './ui/cmaps/',
        kind: OptionKind.API
      },
      disableAutoFetch: {
        value: false,
        kind: OptionKind.API
      },
      disableCreateObjectURL: {
        value: false,
        compatibility: _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL,
        kind: OptionKind.API
      },
      disableFontFace: {
        value: false,
        kind: OptionKind.API
      },
      disableRange: {
        value: false,
        kind: OptionKind.API
      },
      disableStream: {
        value: false,
        kind: OptionKind.API
      },
      isEvalSupported: {
        value: true,
        kind: OptionKind.API
      },
      maxImageSize: {
        value: -1,
        kind: OptionKind.API
      },
      pdfBug: {
        value: false,
        kind: OptionKind.API
      },
      postMessageTransfers: {
        value: true,
        kind: OptionKind.API
      },
      verbosity: {
        value: 1,
        kind: OptionKind.API
      },
      workerPort: {
        value: null,
        kind: OptionKind.WORKER
      },
      workerSrc: {
        value: '/public/netcasign/js/pdf.worker.js',
        kind: OptionKind.WORKER
      }
    };
    {
      defaultOptions.disablePreferences = {
        value: false,
        kind: OptionKind.VIEWER
      };
      defaultOptions.locale = {
        value: typeof navigator !== 'undefined' ? navigator.language : 'en-US',
        kind: OptionKind.VIEWER
      };
    }
    var userOptions = Object.create(null);

    var AppOptions =
        /*#__PURE__*/
        function () {
          function AppOptions() {
            _classCallCheck(this, AppOptions);

            throw new Error('Cannot initialize AppOptions.');
          }

          _createClass(AppOptions, null, [{
            key: "get",
            value: function get(name) {
              var userOption = userOptions[name];

              if (userOption !== undefined) {
                return userOption;
              }

              var defaultOption = defaultOptions[name];

              if (defaultOption !== undefined) {
                return defaultOption.compatibility || defaultOption.value;
              }

              return undefined;
            }
          }, {
            key: "getAll",
            value: function getAll() {
              var kind = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
              var options = Object.create(null);

              for (var name in defaultOptions) {
                var defaultOption = defaultOptions[name];

                if (kind && kind !== defaultOption.kind) {
                  continue;
                }

                var userOption = userOptions[name];
                options[name] = userOption !== undefined ? userOption : defaultOption.compatibility || defaultOption.value;
              }

              return options;
            }
          }, {
            key: "set",
            value: function set(name, value) {
              userOptions[name] = value;
            }
          }, {
            key: "remove",
            value: function remove(name) {
              delete userOptions[name];
            }
          }]);

          return AppOptions;
        }();

    exports.AppOptions = AppOptions;

    /***/ }),
  /* 13 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    var compatibilityParams = Object.create(null);
    {
      var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
      var isAndroid = /Android/.test(userAgent);
      var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);

      (function checkCanvasSizeLimitation() {
        if (isIOS || isAndroid) {
          compatibilityParams.maxCanvasPixels = 5242880;
        }
      })();
    }
    exports.viewerCompatibilityParams = Object.freeze(compatibilityParams);

    /***/ }),
  /* 14 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.OverlayManager = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var OverlayManager =
        /*#__PURE__*/
        function () {
          function OverlayManager() {
            _classCallCheck(this, OverlayManager);

            this._overlays = {};
            this._active = null;
            this._keyDownBound = this._keyDown.bind(this);
          }

          _createClass(OverlayManager, [{
            key: "register",
            value: function () {
              var _register = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee(name, element) {
                    var callerCloseMethod,
                        canForceClose,
                        container,
                        _args = arguments;
                    return _regenerator.default.wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            callerCloseMethod = _args.length > 2 && _args[2] !== undefined ? _args[2] : null;
                            canForceClose = _args.length > 3 && _args[3] !== undefined ? _args[3] : false;

                            if (!(!name || !element || !(container = element.parentNode))) {
                              _context.next = 6;
                              break;
                            }

                            throw new Error('Not enough parameters.');

                          case 6:
                            if (!this._overlays[name]) {
                              _context.next = 8;
                              break;
                            }

                            throw new Error('The overlay is already registered.');

                          case 8:
                            this._overlays[name] = {
                              element: element,
                              container: container,
                              callerCloseMethod: callerCloseMethod,
                              canForceClose: canForceClose
                            };

                          case 9:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee, this);
                  }));

              function register(_x, _x2) {
                return _register.apply(this, arguments);
              }

              return register;
            }()
          }, {
            key: "unregister",
            value: function () {
              var _unregister = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee2(name) {
                    return _regenerator.default.wrap(function _callee2$(_context2) {
                      while (1) {
                        switch (_context2.prev = _context2.next) {
                          case 0:
                            if (this._overlays[name]) {
                              _context2.next = 4;
                              break;
                            }

                            throw new Error('The overlay does not exist.');

                          case 4:
                            if (!(this._active === name)) {
                              _context2.next = 6;
                              break;
                            }

                            throw new Error('The overlay cannot be removed while it is active.');

                          case 6:
                            delete this._overlays[name];

                          case 7:
                          case "end":
                            return _context2.stop();
                        }
                      }
                    }, _callee2, this);
                  }));

              function unregister(_x3) {
                return _unregister.apply(this, arguments);
              }

              return unregister;
            }()
          }, {
            key: "open",
            value: function () {
              var _open = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee3(name) {
                    return _regenerator.default.wrap(function _callee3$(_context3) {
                      while (1) {
                        switch (_context3.prev = _context3.next) {
                          case 0:
                            if (this._overlays[name]) {
                              _context3.next = 4;
                              break;
                            }

                            throw new Error('The overlay does not exist.');

                          case 4:
                            if (!this._active) {
                              _context3.next = 14;
                              break;
                            }

                            if (!this._overlays[name].canForceClose) {
                              _context3.next = 9;
                              break;
                            }

                            this._closeThroughCaller();

                            _context3.next = 14;
                            break;

                          case 9:
                            if (!(this._active === name)) {
                              _context3.next = 13;
                              break;
                            }

                            throw new Error('The overlay is already active.');

                          case 13:
                            throw new Error('Another overlay is currently active.');

                          case 14:
                            this._active = name;

                            this._overlays[this._active].element.classList.remove('hidden');

                            this._overlays[this._active].container.classList.remove('hidden');

                            window.addEventListener('keydown', this._keyDownBound);

                          case 18:
                          case "end":
                            return _context3.stop();
                        }
                      }
                    }, _callee3, this);
                  }));

              function open(_x4) {
                return _open.apply(this, arguments);
              }

              return open;
            }()
          }, {
            key: "close",
            value: function () {
              var _close = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee4(name) {
                    return _regenerator.default.wrap(function _callee4$(_context4) {
                      while (1) {
                        switch (_context4.prev = _context4.next) {
                          case 0:
                            if (this._overlays[name]) {
                              _context4.next = 4;
                              break;
                            }

                            throw new Error('The overlay does not exist.');

                          case 4:
                            if (this._active) {
                              _context4.next = 8;
                              break;
                            }

                            throw new Error('The overlay is currently not active.');

                          case 8:
                            if (!(this._active !== name)) {
                              _context4.next = 10;
                              break;
                            }

                            throw new Error('Another overlay is currently active.');

                          case 10:
                            this._overlays[this._active].container.classList.add('hidden');

                            this._overlays[this._active].element.classList.add('hidden');

                            this._active = null;
                            window.removeEventListener('keydown', this._keyDownBound);

                          case 14:
                          case "end":
                            return _context4.stop();
                        }
                      }
                    }, _callee4, this);
                  }));

              function close(_x5) {
                return _close.apply(this, arguments);
              }

              return close;
            }()
          }, {
            key: "_keyDown",
            value: function _keyDown(evt) {
              if (this._active && evt.keyCode === 27) {
                this._closeThroughCaller();

                evt.preventDefault();
              }
            }
          }, {
            key: "_closeThroughCaller",
            value: function _closeThroughCaller() {
              if (this._overlays[this._active].callerCloseMethod) {
                this._overlays[this._active].callerCloseMethod();
              }

              if (this._active) {
                this.close(this._active);
              }
            }
          }, {
            key: "active",
            get: function get() {
              return this._active;
            }
          }]);

          return OverlayManager;
        }();

    exports.OverlayManager = OverlayManager;

    /***/ }),
  /* 15 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PasswordPrompt = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var PasswordPrompt =
        /*#__PURE__*/
        function () {
          function PasswordPrompt(options, overlayManager) {
            var _this = this;

            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PasswordPrompt);

            this.overlayName = options.overlayName;
            this.container = options.container;
            this.label = options.label;
            this.input = options.input;
            this.submitButton = options.submitButton;
            this.cancelButton = options.cancelButton;
            this.overlayManager = overlayManager;
            this.l10n = l10n;
            this.updateCallback = null;
            this.reason = null;
            this.submitButton.addEventListener('click', this.verify.bind(this));
            this.cancelButton.addEventListener('click', this.close.bind(this));
            this.input.addEventListener('keydown', function (e) {
              if (e.keyCode === 13) {
                _this.verify();
              }
            });
            this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
          }

          _createClass(PasswordPrompt, [{
            key: "open",
            value: function open() {
              var _this2 = this;

              this.overlayManager.open(this.overlayName).then(function () {
                _this2.input.focus();

                var promptString;

                if (_this2.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
                  promptString = _this2.l10n.get('password_invalid', null, 'Invalid password. Please try again.');
                } else {
                  promptString = _this2.l10n.get('password_label', null, 'Enter the password to open this PDF file.');
                }

                promptString.then(function (msg) {
                  _this2.label.textContent = msg;
                });
              });
            }
          }, {
            key: "close",
            value: function close() {
              var _this3 = this;

              this.overlayManager.close(this.overlayName).then(function () {
                _this3.input.value = '';
              });
            }
          }, {
            key: "verify",
            value: function verify() {
              var password = this.input.value;

              if (password && password.length > 0) {
                this.close();
                return this.updateCallback(password);
              }
            }
          }, {
            key: "setUpdateCallback",
            value: function setUpdateCallback(updateCallback, reason) {
              this.updateCallback = updateCallback;
              this.reason = reason;
            }
          }]);

          return PasswordPrompt;
        }();

    exports.PasswordPrompt = PasswordPrompt;

    /***/ }),
  /* 16 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFAttachmentViewer = void 0;

    var _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var PDFAttachmentViewer =
        /*#__PURE__*/
        function () {
          function PDFAttachmentViewer(_ref) {
            var container = _ref.container,
                eventBus = _ref.eventBus,
                downloadManager = _ref.downloadManager;

            _classCallCheck(this, PDFAttachmentViewer);

            this.container = container;
            this.eventBus = eventBus;
            this.downloadManager = downloadManager;
            this.reset();
            this.eventBus.on('fileattachmentannotation', this._appendAttachment.bind(this));
          }

          _createClass(PDFAttachmentViewer, [{
            key: "reset",
            value: function reset() {
              var keepRenderedCapability = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              this.attachments = null;
              this.container.textContent = '';

              if (!keepRenderedCapability) {
                this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
              }
            }
          }, {
            key: "_dispatchEvent",
            value: function _dispatchEvent(attachmentsCount) {
              this._renderedCapability.resolve();

              this.eventBus.dispatch('attachmentsloaded', {
                source: this,
                attachmentsCount: attachmentsCount
              });
            }
          }, {
            key: "_bindPdfLink",
            value: function _bindPdfLink(button, content, filename) {
              if (this.downloadManager.disableCreateObjectURL) {
                throw new Error('bindPdfLink: Unsupported "disableCreateObjectURL" value.');
              }

              var blobUrl;

              button.onclick = function () {
                if (!blobUrl) {
                  blobUrl = (0, _pdfjsLib.createObjectURL)(content, 'application/pdf');
                }

                var viewerUrl;
                viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename);
                window.open(viewerUrl);
                return false;
              };
            }
          }, {
            key: "_bindLink",
            value: function _bindLink(button, content, filename) {
              var _this = this;

              button.onclick = function () {
                _this.downloadManager.downloadData(content, filename, '');

                return false;
              };
            }
          }, {
            key: "render",
            value: function render(_ref2) {
              var attachments = _ref2.attachments,
                  _ref2$keepRenderedCap = _ref2.keepRenderedCapability,
                  keepRenderedCapability = _ref2$keepRenderedCap === void 0 ? false : _ref2$keepRenderedCap;
              var attachmentsCount = 0;

              if (this.attachments) {
                this.reset(keepRenderedCapability === true);
              }

              this.attachments = attachments || null;

              if (!attachments) {
                this._dispatchEvent(attachmentsCount);

                return;
              }

              var names = Object.keys(attachments).sort(function (a, b) {
                return a.toLowerCase().localeCompare(b.toLowerCase());
              });
              attachmentsCount = names.length;

              for (var i = 0; i < attachmentsCount; i++) {
                var item = attachments[names[i]];
                var filename = (0, _pdfjsLib.removeNullCharacters)((0, _pdfjsLib.getFilenameFromUrl)(item.filename));
                var div = document.createElement('div');
                div.className = 'attachmentsItem';
                var button = document.createElement('button');
                button.textContent = filename;

                if (/\.pdf$/i.test(filename) && !this.downloadManager.disableCreateObjectURL) {
                  this._bindPdfLink(button, item.content, filename);
                } else {
                  this._bindLink(button, item.content, filename);
                }

                div.appendChild(button);
                this.container.appendChild(div);
              }

              this._dispatchEvent(attachmentsCount);
            }
          }, {
            key: "_appendAttachment",
            value: function _appendAttachment(_ref3) {
              var _this2 = this;

              var id = _ref3.id,
                  filename = _ref3.filename,
                  content = _ref3.content;

              this._renderedCapability.promise.then(function () {
                var attachments = _this2.attachments;

                if (!attachments) {
                  attachments = Object.create(null);
                } else {
                  for (var name in attachments) {
                    if (id === name) {
                      return;
                    }
                  }
                }

                attachments[id] = {
                  filename: filename,
                  content: content
                };

                _this2.render({
                  attachments: attachments,
                  keepRenderedCapability: true
                });
              });
            }
          }]);

          return PDFAttachmentViewer;
        }();

    exports.PDFAttachmentViewer = PDFAttachmentViewer;

    /***/ }),
  /* 17 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFDocumentProperties = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdfjsLib = __webpack_require__(7);

    function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

    function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

    function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

    function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var DEFAULT_FIELD_CONTENT = '-';
    var NON_METRIC_LOCALES = ['en-us', 'en-lr', 'my'];
    var US_PAGE_NAMES = {
      '8.5x11': 'Letter',
      '8.5x14': 'Legal'
    };
    var METRIC_PAGE_NAMES = {
      '297x420': 'A3',
      '210x297': 'A4'
    };

    function getPageName(size, isPortrait, pageNames) {
      var width = isPortrait ? size.width : size.height;
      var height = isPortrait ? size.height : size.width;
      return pageNames["".concat(width, "x").concat(height)];
    }

    var PDFDocumentProperties =
        /*#__PURE__*/
        function () {
          function PDFDocumentProperties(_ref, overlayManager, eventBus) {
            var _this = this;

            var overlayName = _ref.overlayName,
                fields = _ref.fields,
                container = _ref.container,
                closeButton = _ref.closeButton;
            var l10n = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFDocumentProperties);

            this.overlayName = overlayName;
            this.fields = fields;
            this.container = container;
            this.overlayManager = overlayManager;
            this.l10n = l10n;

            this._reset();

            if (closeButton) {
              closeButton.addEventListener('click', this.close.bind(this));
            }

            this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));

            if (eventBus) {
              eventBus.on('pagechanging', function (evt) {
                _this._currentPageNumber = evt.pageNumber;
              });
              eventBus.on('rotationchanging', function (evt) {
                _this._pagesRotation = evt.pagesRotation;
              });
            }

            this._isNonMetricLocale = true;
            l10n.getLanguage().then(function (locale) {
              _this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
            });
          }

          _createClass(PDFDocumentProperties, [{
            key: "open",
            value: function open() {
              var _this2 = this;

              var freezeFieldData = function freezeFieldData(data) {
                Object.defineProperty(_this2, 'fieldData', {
                  value: Object.freeze(data),
                  writable: false,
                  enumerable: true,
                  configurable: true
                });
              };

              Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]).then(function () {
                var currentPageNumber = _this2._currentPageNumber;
                var pagesRotation = _this2._pagesRotation;

                if (_this2.fieldData && currentPageNumber === _this2.fieldData['_currentPageNumber'] && pagesRotation === _this2.fieldData['_pagesRotation']) {
                  _this2._updateUI();

                  return;
                }

                _this2.pdfDocument.getMetadata().then(function (_ref2) {
                  var info = _ref2.info,
                      metadata = _ref2.metadata,
                      contentDispositionFilename = _ref2.contentDispositionFilename;
                  return Promise.all([info, metadata, contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(_this2.url || ''), _this2._parseFileSize(_this2.maybeFileSize), _this2._parseDate(info.CreationDate), _this2._parseDate(info.ModDate), _this2.pdfDocument.getPage(currentPageNumber).then(function (pdfPage) {
                    return _this2._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
                  }), _this2._parseLinearization(info.IsLinearized)]);
                }).then(function (_ref3) {
                  var _ref4 = _slicedToArray(_ref3, 8),
                      info = _ref4[0],
                      metadata = _ref4[1],
                      fileName = _ref4[2],
                      fileSize = _ref4[3],
                      creationDate = _ref4[4],
                      modDate = _ref4[5],
                      pageSize = _ref4[6],
                      isLinearized = _ref4[7];

                  freezeFieldData({
                    'fileName': fileName,
                    'fileSize': fileSize,
                    'title': info.Title,
                    'author': info.Author,
                    'subject': info.Subject,
                    'keywords': info.Keywords,
                    'creationDate': creationDate,
                    'modificationDate': modDate,
                    'creator': info.Creator,
                    'producer': info.Producer,
                    'version': info.PDFFormatVersion,
                    'pageCount': _this2.pdfDocument.numPages,
                    'pageSize': pageSize,
                    'linearized': isLinearized,
                    '_currentPageNumber': currentPageNumber,
                    '_pagesRotation': pagesRotation
                  });

                  _this2._updateUI();

                  return _this2.pdfDocument.getDownloadInfo();
                }).then(function (_ref5) {
                  var length = _ref5.length;
                  _this2.maybeFileSize = length;
                  return _this2._parseFileSize(length);
                }).then(function (fileSize) {
                  if (fileSize === _this2.fieldData['fileSize']) {
                    return;
                  }

                  var data = Object.assign(Object.create(null), _this2.fieldData);
                  data['fileSize'] = fileSize;
                  freezeFieldData(data);

                  _this2._updateUI();
                });
              });
            }
          }, {
            key: "close",
            value: function close() {
              this.overlayManager.close(this.overlayName);
            }
          }, {
            key: "setDocument",
            value: function setDocument(pdfDocument) {
              var url = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

              if (this.pdfDocument) {
                this._reset();

                this._updateUI(true);
              }

              if (!pdfDocument) {
                return;
              }

              this.pdfDocument = pdfDocument;
              this.url = url;

              this._dataAvailableCapability.resolve();
            }
          }, {
            key: "setFileSize",
            value: function setFileSize(fileSize) {
              if (Number.isInteger(fileSize) && fileSize > 0) {
                this.maybeFileSize = fileSize;
              }
            }
          }, {
            key: "_reset",
            value: function _reset() {
              this.pdfDocument = null;
              this.url = null;
              this.maybeFileSize = 0;
              delete this.fieldData;
              this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
              this._currentPageNumber = 1;
              this._pagesRotation = 0;
            }
          }, {
            key: "_updateUI",
            value: function _updateUI() {
              var reset = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (reset || !this.fieldData) {
                for (var id in this.fields) {
                  this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
                }

                return;
              }

              if (this.overlayManager.active !== this.overlayName) {
                return;
              }

              for (var _id in this.fields) {
                var content = this.fieldData[_id];
                this.fields[_id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
              }
            }
          }, {
            key: "_parseFileSize",
            value: function _parseFileSize() {
              var fileSize = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
              var kb = fileSize / 1024;

              if (!kb) {
                return Promise.resolve(undefined);
              } else if (kb < 1024) {
                return this.l10n.get('document_properties_kb', {
                  size_kb: (+kb.toPrecision(3)).toLocaleString(),
                  size_b: fileSize.toLocaleString()
                }, '{{size_kb}} KB ({{size_b}} bytes)');
              }

              return this.l10n.get('document_properties_mb', {
                size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
                size_b: fileSize.toLocaleString()
              }, '{{size_mb}} MB ({{size_b}} bytes)');
            }
          }, {
            key: "_parsePageSize",
            value: function _parsePageSize(pageSizeInches, pagesRotation) {
              var _this3 = this;

              if (!pageSizeInches) {
                return Promise.resolve(undefined);
              }

              if (pagesRotation % 180 !== 0) {
                pageSizeInches = {
                  width: pageSizeInches.height,
                  height: pageSizeInches.width
                };
              }

              var isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
              var sizeInches = {
                width: Math.round(pageSizeInches.width * 100) / 100,
                height: Math.round(pageSizeInches.height * 100) / 100
              };
              var sizeMillimeters = {
                width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
                height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
              };
              var pageName = null;
              var name = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);

              if (!name && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
                var exactMillimeters = {
                  width: pageSizeInches.width * 25.4,
                  height: pageSizeInches.height * 25.4
                };
                var intMillimeters = {
                  width: Math.round(sizeMillimeters.width),
                  height: Math.round(sizeMillimeters.height)
                };

                if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
                  name = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);

                  if (name) {
                    sizeInches = {
                      width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
                      height: Math.round(intMillimeters.height / 25.4 * 100) / 100
                    };
                    sizeMillimeters = intMillimeters;
                  }
                }
              }

              if (name) {
                pageName = this.l10n.get('document_properties_page_size_name_' + name.toLowerCase(), null, name);
              }

              return Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get('document_properties_page_size_unit_' + (this._isNonMetricLocale ? 'inches' : 'millimeters'), null, this._isNonMetricLocale ? 'in' : 'mm'), pageName, this.l10n.get('document_properties_page_size_orientation_' + (isPortrait ? 'portrait' : 'landscape'), null, isPortrait ? 'portrait' : 'landscape')]).then(function (_ref6) {
                var _ref7 = _slicedToArray(_ref6, 4),
                    _ref7$ = _ref7[0],
                    width = _ref7$.width,
                    height = _ref7$.height,
                    unit = _ref7[1],
                    name = _ref7[2],
                    orientation = _ref7[3];

                return _this3.l10n.get('document_properties_page_size_dimension_' + (name ? 'name_' : '') + 'string', {
                  width: width.toLocaleString(),
                  height: height.toLocaleString(),
                  unit: unit,
                  name: name,
                  orientation: orientation
                }, '{{width}} × {{height}} {{unit}} (' + (name ? '{{name}}, ' : '') + '{{orientation}})');
              });
            }
          }, {
            key: "_parseDate",
            value: function _parseDate(inputDate) {
              if (!inputDate) {
                return;
              }

              var dateToParse = inputDate;

              if (dateToParse.substring(0, 2) === 'D:') {
                dateToParse = dateToParse.substring(2);
              }

              var year = parseInt(dateToParse.substring(0, 4), 10);
              var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
              var day = parseInt(dateToParse.substring(6, 8), 10);
              var hours = parseInt(dateToParse.substring(8, 10), 10);
              var minutes = parseInt(dateToParse.substring(10, 12), 10);
              var seconds = parseInt(dateToParse.substring(12, 14), 10);
              var utRel = dateToParse.substring(14, 15);
              var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
              var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);

              if (utRel === '-') {
                hours += offsetHours;
                minutes += offsetMinutes;
              } else if (utRel === '+') {
                hours -= offsetHours;
                minutes -= offsetMinutes;
              }

              var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
              var dateString = date.toLocaleDateString();
              var timeString = date.toLocaleTimeString();
              return this.l10n.get('document_properties_date_string', {
                date: dateString,
                time: timeString
              }, '{{date}}, {{time}}');
            }
          }, {
            key: "_parseLinearization",
            value: function _parseLinearization(isLinearized) {
              return this.l10n.get('document_properties_linearized_' + (isLinearized ? 'yes' : 'no'), null, isLinearized ? 'Yes' : 'No');
            }
          }]);

          return PDFDocumentProperties;
        }();

    exports.PDFDocumentProperties = PDFDocumentProperties;

    /***/ }),
  /* 18 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFFindBar = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdf_find_controller = __webpack_require__(19);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var MATCHES_COUNT_LIMIT = 1000;

    var PDFFindBar =
        /*#__PURE__*/
        function () {
          function PDFFindBar(options) {
            var _this = this;

            var eventBus = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : (0, _ui_utils.getGlobalEventBus)();
            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFFindBar);

            this.opened = false;
            this.bar = options.bar || null;
            this.toggleButton = options.toggleButton || null;
            this.findField = options.findField || null;
            this.highlightAll = options.highlightAllCheckbox || null;
            this.caseSensitive = options.caseSensitiveCheckbox || null;
            this.entireWord = options.entireWordCheckbox || null;
            this.findMsg = options.findMsg || null;
            this.findResultsCount = options.findResultsCount || null;
            this.findPreviousButton = options.findPreviousButton || null;
            this.findNextButton = options.findNextButton || null;
            this.eventBus = eventBus;
            this.l10n = l10n;
            this.toggleButton.addEventListener('click', function () {
              _this.toggle();
            });
            this.findField.addEventListener('input', function () {
              _this.dispatchEvent('');
            });
            this.bar.addEventListener('keydown', function (e) {
              switch (e.keyCode) {
                case 13:
                  if (e.target === _this.findField) {
                    _this.dispatchEvent('again', e.shiftKey);
                  }

                  break;

                case 27:
                  _this.close();

                  break;
              }
            });
            this.findPreviousButton.addEventListener('click', function () {
              _this.dispatchEvent('again', true);
            });
            this.findNextButton.addEventListener('click', function () {
              _this.dispatchEvent('again', false);
            });
            this.highlightAll.addEventListener('click', function () {
              _this.dispatchEvent('highlightallchange');
            });
            this.caseSensitive.addEventListener('click', function () {
              _this.dispatchEvent('casesensitivitychange');
            });
            this.entireWord.addEventListener('click', function () {
              _this.dispatchEvent('entirewordchange');
            });
            this.eventBus.on('resize', this._adjustWidth.bind(this));
          }

          _createClass(PDFFindBar, [{
            key: "reset",
            value: function reset() {
              this.updateUIState();
            }
          }, {
            key: "dispatchEvent",
            value: function dispatchEvent(type, findPrev) {
              this.eventBus.dispatch('find', {
                source: this,
                type: type,
                query: this.findField.value,
                phraseSearch: true,
                caseSensitive: this.caseSensitive.checked,
                entireWord: this.entireWord.checked,
                highlightAll: this.highlightAll.checked,
                findPrevious: findPrev
              });
            }
          }, {
            key: "updateUIState",
            value: function updateUIState(state, previous, matchesCount) {
              var _this2 = this;

              var notFound = false;
              var findMsg = '';
              var status = '';

              switch (state) {
                case _pdf_find_controller.FindState.FOUND:
                  break;

                case _pdf_find_controller.FindState.PENDING:
                  status = 'pending';
                  break;

                case _pdf_find_controller.FindState.NOT_FOUND:
                  findMsg = this.l10n.get('find_not_found', null, 'Phrase not found');
                  notFound = true;
                  break;

                case _pdf_find_controller.FindState.WRAPPED:
                  if (previous) {
                    findMsg = this.l10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
                  } else {
                    findMsg = this.l10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
                  }

                  break;
              }

              this.findField.classList.toggle('notFound', notFound);
              this.findField.setAttribute('data-status', status);
              Promise.resolve(findMsg).then(function (msg) {
                _this2.findMsg.textContent = msg;

                _this2._adjustWidth();
              });
              this.updateResultsCount(matchesCount);
            }
          }, {
            key: "updateResultsCount",
            value: function updateResultsCount() {
              var _this3 = this;

              var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                  _ref$current = _ref.current,
                  current = _ref$current === void 0 ? 0 : _ref$current,
                  _ref$total = _ref.total,
                  total = _ref$total === void 0 ? 0 : _ref$total;

              if (!this.findResultsCount) {
                return;
              }

              var matchesCountMsg = '',
                  limit = MATCHES_COUNT_LIMIT;

              if (total > 0) {
                if (total > limit) {
                  matchesCountMsg = this.l10n.get('find_match_count_limit', {
                    limit: limit
                  }, 'More than {{limit}} match' + (limit !== 1 ? 'es' : ''));
                } else {
                  matchesCountMsg = this.l10n.get('find_match_count', {
                    current: current,
                    total: total
                  }, '{{current}} of {{total}} match' + (total !== 1 ? 'es' : ''));
                }
              }

              Promise.resolve(matchesCountMsg).then(function (msg) {
                _this3.findResultsCount.textContent = msg;

                _this3.findResultsCount.classList.toggle('hidden', !total);

                _this3._adjustWidth();
              });
            }
          }, {
            key: "open",
            value: function open() {
              if (!this.opened) {
                this.opened = true;
                this.toggleButton.classList.add('toggled');
                this.bar.classList.remove('hidden');
              }

              this.findField.select();
              this.findField.focus();

              this._adjustWidth();
            }
          }, {
            key: "close",
            value: function close() {
              if (!this.opened) {
                return;
              }

              this.opened = false;
              this.toggleButton.classList.remove('toggled');
              this.bar.classList.add('hidden');
              this.eventBus.dispatch('findbarclose', {
                source: this
              });
            }
          }, {
            key: "toggle",
            value: function toggle() {
              if (this.opened) {
                this.close();
              } else {
                this.open();
              }
            }
          }, {
            key: "_adjustWidth",
            value: function _adjustWidth() {
              if (!this.opened) {
                return;
              }

              this.bar.classList.remove('wrapContainers');
              var findbarHeight = this.bar.clientHeight;
              var inputContainerHeight = this.bar.firstElementChild.clientHeight;

              if (findbarHeight > inputContainerHeight) {
                this.bar.classList.add('wrapContainers');
              }
            }
          }]);

          return PDFFindBar;
        }();

    exports.PDFFindBar = PDFFindBar;

    /***/ }),
  /* 19 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFFindController = exports.FindState = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdfjsLib = __webpack_require__(7);

    var _pdf_find_utils = __webpack_require__(20);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var FindState = {
      FOUND: 0,
      NOT_FOUND: 1,
      WRAPPED: 2,
      PENDING: 3
    };
    exports.FindState = FindState;
    var FIND_TIMEOUT = 250;
    var MATCH_SCROLL_OFFSET_TOP = -50;
    var MATCH_SCROLL_OFFSET_LEFT = -400;
    var CHARACTERS_TO_NORMALIZE = {
      "\u2018": '\'',
      "\u2019": '\'',
      "\u201A": '\'',
      "\u201B": '\'',
      "\u201C": '"',
      "\u201D": '"',
      "\u201E": '"',
      "\u201F": '"',
      "\xBC": '1/4',
      "\xBD": '1/2',
      "\xBE": '3/4'
    };
    var normalizationRegex = null;

    function normalize(text) {
      if (!normalizationRegex) {
        var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
        normalizationRegex = new RegExp("[".concat(replace, "]"), 'g');
      }

      return text.replace(normalizationRegex, function (ch) {
        return CHARACTERS_TO_NORMALIZE[ch];
      });
    }

    var PDFFindController =
        /*#__PURE__*/
        function () {
          function PDFFindController(_ref) {
            var linkService = _ref.linkService,
                _ref$eventBus = _ref.eventBus,
                eventBus = _ref$eventBus === void 0 ? (0, _ui_utils.getGlobalEventBus)() : _ref$eventBus;

            _classCallCheck(this, PDFFindController);

            this._linkService = linkService;
            this._eventBus = eventBus;

            this._reset();

            eventBus.on('findbarclose', this._onFindBarClose.bind(this));
          }

          _createClass(PDFFindController, [{
            key: "setDocument",
            value: function setDocument(pdfDocument) {
              if (this._pdfDocument) {
                this._reset();
              }

              if (!pdfDocument) {
                return;
              }

              this._pdfDocument = pdfDocument;

              this._firstPageCapability.resolve();
            }
          }, {
            key: "executeCommand",
            value: function executeCommand(cmd, state) {
              var _this = this;

              if (!state) {
                return;
              }

              var pdfDocument = this._pdfDocument;

              if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
                this._dirtyMatch = true;
              }

              this._state = state;

              if (cmd !== 'findhighlightallchange') {
                this._updateUIState(FindState.PENDING);
              }

              this._firstPageCapability.promise.then(function () {
                if (!_this._pdfDocument || pdfDocument && _this._pdfDocument !== pdfDocument) {
                  return;
                }

                _this._extractText();

                var findbarClosed = !_this._highlightMatches;
                var pendingTimeout = !!_this._findTimeout;

                if (_this._findTimeout) {
                  clearTimeout(_this._findTimeout);
                  _this._findTimeout = null;
                }

                if (cmd === 'find') {
                  _this._findTimeout = setTimeout(function () {
                    _this._nextMatch();

                    _this._findTimeout = null;
                  }, FIND_TIMEOUT);
                } else if (_this._dirtyMatch) {
                  _this._nextMatch();
                } else if (cmd === 'findagain') {
                  _this._nextMatch();

                  if (findbarClosed && _this._state.highlightAll) {
                    _this._updateAllPages();
                  }
                } else if (cmd === 'findhighlightallchange') {
                  if (pendingTimeout) {
                    _this._nextMatch();
                  } else {
                    _this._highlightMatches = true;
                  }

                  _this._updateAllPages();
                } else {
                  _this._nextMatch();
                }
              });
            }
          }, {
            key: "scrollMatchIntoView",
            value: function scrollMatchIntoView(_ref2) {
              var _ref2$element = _ref2.element,
                  element = _ref2$element === void 0 ? null : _ref2$element,
                  _ref2$pageIndex = _ref2.pageIndex,
                  pageIndex = _ref2$pageIndex === void 0 ? -1 : _ref2$pageIndex,
                  _ref2$matchIndex = _ref2.matchIndex,
                  matchIndex = _ref2$matchIndex === void 0 ? -1 : _ref2$matchIndex;

              if (!this._scrollMatches || !element) {
                return;
              } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
                return;
              } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
                return;
              }

              this._scrollMatches = false;
              var spot = {
                top: MATCH_SCROLL_OFFSET_TOP,
                left: MATCH_SCROLL_OFFSET_LEFT
              };
              (0, _ui_utils.scrollIntoView)(element, spot, true);
            }
          }, {
            key: "_reset",
            value: function _reset() {
              this._highlightMatches = false;
              this._scrollMatches = false;
              this._pdfDocument = null;
              this._pageMatches = [];
              this._pageMatchesLength = [];
              this._state = null;
              this._selected = {
                pageIdx: -1,
                matchIdx: -1
              };
              this._offset = {
                pageIdx: null,
                matchIdx: null,
                wrapped: false
              };
              this._extractTextPromises = [];
              this._pageContents = [];
              this._matchesCountTotal = 0;
              this._pagesToSearch = null;
              this._pendingFindMatches = Object.create(null);
              this._resumePageIdx = null;
              this._dirtyMatch = false;
              clearTimeout(this._findTimeout);
              this._findTimeout = null;
              this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
            }
          }, {
            key: "_shouldDirtyMatch",
            value: function _shouldDirtyMatch(cmd, state) {
              if (state.query !== this._state.query) {
                return true;
              }

              switch (cmd) {
                case 'findagain':
                  var pageNumber = this._selected.pageIdx + 1;
                  var linkService = this._linkService;

                  if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && linkService.page !== pageNumber && linkService.isPageVisible && !linkService.isPageVisible(pageNumber)) {
                    break;
                  }

                  return false;

                case 'findhighlightallchange':
                  return false;
              }

              return true;
            }
          }, {
            key: "_prepareMatches",
            value: function _prepareMatches(matchesWithLength, matches, matchesLength) {
              function isSubTerm(matchesWithLength, currentIndex) {
                var currentElem = matchesWithLength[currentIndex];
                var nextElem = matchesWithLength[currentIndex + 1];

                if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
                  currentElem.skipped = true;
                  return true;
                }

                for (var i = currentIndex - 1; i >= 0; i--) {
                  var prevElem = matchesWithLength[i];

                  if (prevElem.skipped) {
                    continue;
                  }

                  if (prevElem.match + prevElem.matchLength < currentElem.match) {
                    break;
                  }

                  if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
                    currentElem.skipped = true;
                    return true;
                  }
                }

                return false;
              }

              matchesWithLength.sort(function (a, b) {
                return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
              });

              for (var i = 0, len = matchesWithLength.length; i < len; i++) {
                if (isSubTerm(matchesWithLength, i)) {
                  continue;
                }

                matches.push(matchesWithLength[i].match);
                matchesLength.push(matchesWithLength[i].matchLength);
              }
            }
          }, {
            key: "_isEntireWord",
            value: function _isEntireWord(content, startIdx, length) {
              if (startIdx > 0) {
                var first = content.charCodeAt(startIdx);
                var limit = content.charCodeAt(startIdx - 1);

                if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
                  return false;
                }
              }

              var endIdx = startIdx + length - 1;

              if (endIdx < content.length - 1) {
                var last = content.charCodeAt(endIdx);

                var _limit = content.charCodeAt(endIdx + 1);

                if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(_limit)) {
                  return false;
                }
              }

              return true;
            }
          }, {
            key: "_calculatePhraseMatch",
            value: function _calculatePhraseMatch(query, pageIndex, pageContent, entireWord) {
              var matches = [];
              var queryLen = query.length;
              var matchIdx = -queryLen;

              while (true) {
                matchIdx = pageContent.indexOf(query, matchIdx + queryLen);

                if (matchIdx === -1) {
                  break;
                }

                if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
                  continue;
                }

                matches.push(matchIdx);
              }

              this._pageMatches[pageIndex] = matches;
            }
          }, {
            key: "_calculateWordMatch",
            value: function _calculateWordMatch(query, pageIndex, pageContent, entireWord) {
              var matchesWithLength = [];
              var queryArray = query.match(/\S+/g);

              for (var i = 0, len = queryArray.length; i < len; i++) {
                var subquery = queryArray[i];
                var subqueryLen = subquery.length;
                var matchIdx = -subqueryLen;

                while (true) {
                  matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);

                  if (matchIdx === -1) {
                    break;
                  }

                  if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
                    continue;
                  }

                  matchesWithLength.push({
                    match: matchIdx,
                    matchLength: subqueryLen,
                    skipped: false
                  });
                }
              }

              this._pageMatchesLength[pageIndex] = [];
              this._pageMatches[pageIndex] = [];

              this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
            }
          }, {
            key: "_calculateMatch",
            value: function _calculateMatch(pageIndex) {
              var pageContent = this._pageContents[pageIndex];
              var query = this._query;
              var _this$_state = this._state,
                  caseSensitive = _this$_state.caseSensitive,
                  entireWord = _this$_state.entireWord,
                  phraseSearch = _this$_state.phraseSearch;

              if (query.length === 0) {
                return;
              }

              if (!caseSensitive) {
                pageContent = pageContent.toLowerCase();
                query = query.toLowerCase();
              }

              if (phraseSearch) {
                this._calculatePhraseMatch(query, pageIndex, pageContent, entireWord);
              } else {
                this._calculateWordMatch(query, pageIndex, pageContent, entireWord);
              }

              if (this._state.highlightAll) {
                this._updatePage(pageIndex);
              }

              if (this._resumePageIdx === pageIndex) {
                this._resumePageIdx = null;

                this._nextPageMatch();
              }

              var pageMatchesCount = this._pageMatches[pageIndex].length;

              if (pageMatchesCount > 0) {
                this._matchesCountTotal += pageMatchesCount;

                this._updateUIResultsCount();
              }
            }
          }, {
            key: "_extractText",
            value: function _extractText() {
              var _this2 = this;

              if (this._extractTextPromises.length > 0) {
                return;
              }

              var promise = Promise.resolve();

              var _loop = function _loop(i, ii) {
                var extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
                _this2._extractTextPromises[i] = extractTextCapability.promise;
                promise = promise.then(function () {
                  return _this2._pdfDocument.getPage(i + 1).then(function (pdfPage) {
                    return pdfPage.getTextContent({
                      normalizeWhitespace: true
                    });
                  }).then(function (textContent) {
                    var textItems = textContent.items;
                    var strBuf = [];

                    for (var j = 0, jj = textItems.length; j < jj; j++) {
                      strBuf.push(textItems[j].str);
                    }

                    _this2._pageContents[i] = normalize(strBuf.join(''));
                    extractTextCapability.resolve(i);
                  }, function (reason) {
                    console.error("Unable to get text content for page ".concat(i + 1), reason);
                    _this2._pageContents[i] = '';
                    extractTextCapability.resolve(i);
                  });
                });
              };

              for (var i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
                _loop(i, ii);
              }
            }
          }, {
            key: "_updatePage",
            value: function _updatePage(index) {
              if (this._scrollMatches && this._selected.pageIdx === index) {
                this._linkService.page = index + 1;
              }

              this._eventBus.dispatch('updatetextlayermatches', {
                source: this,
                pageIndex: index
              });
            }
          }, {
            key: "_updateAllPages",
            value: function _updateAllPages() {
              this._eventBus.dispatch('updatetextlayermatches', {
                source: this,
                pageIndex: -1
              });
            }
          }, {
            key: "_nextMatch",
            value: function _nextMatch() {
              var _this3 = this;

              var previous = this._state.findPrevious;
              var currentPageIndex = this._linkService.page - 1;
              var numPages = this._linkService.pagesCount;
              this._highlightMatches = true;

              if (this._dirtyMatch) {
                this._dirtyMatch = false;
                this._selected.pageIdx = this._selected.matchIdx = -1;
                this._offset.pageIdx = currentPageIndex;
                this._offset.matchIdx = null;
                this._offset.wrapped = false;
                this._resumePageIdx = null;
                this._pageMatches.length = 0;
                this._pageMatchesLength.length = 0;
                this._matchesCountTotal = 0;

                this._updateAllPages();

                for (var i = 0; i < numPages; i++) {
                  if (this._pendingFindMatches[i] === true) {
                    continue;
                  }

                  this._pendingFindMatches[i] = true;

                  this._extractTextPromises[i].then(function (pageIdx) {
                    delete _this3._pendingFindMatches[pageIdx];

                    _this3._calculateMatch(pageIdx);
                  });
                }
              }

              if (this._query === '') {
                this._updateUIState(FindState.FOUND);

                return;
              }

              if (this._resumePageIdx) {
                return;
              }

              var offset = this._offset;
              this._pagesToSearch = numPages;

              if (offset.matchIdx !== null) {
                var numPageMatches = this._pageMatches[offset.pageIdx].length;

                if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
                  offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;

                  this._updateMatch(true);

                  return;
                }

                this._advanceOffsetPage(previous);
              }

              this._nextPageMatch();
            }
          }, {
            key: "_matchesReady",
            value: function _matchesReady(matches) {
              var offset = this._offset;
              var numMatches = matches.length;
              var previous = this._state.findPrevious;

              if (numMatches) {
                offset.matchIdx = previous ? numMatches - 1 : 0;

                this._updateMatch(true);

                return true;
              }

              this._advanceOffsetPage(previous);

              if (offset.wrapped) {
                offset.matchIdx = null;

                if (this._pagesToSearch < 0) {
                  this._updateMatch(false);

                  return true;
                }
              }

              return false;
            }
          }, {
            key: "_nextPageMatch",
            value: function _nextPageMatch() {
              if (this._resumePageIdx !== null) {
                console.error('There can only be one pending page.');
              }

              var matches = null;

              do {
                var pageIdx = this._offset.pageIdx;
                matches = this._pageMatches[pageIdx];

                if (!matches) {
                  this._resumePageIdx = pageIdx;
                  break;
                }
              } while (!this._matchesReady(matches));
            }
          }, {
            key: "_advanceOffsetPage",
            value: function _advanceOffsetPage(previous) {
              var offset = this._offset;
              var numPages = this._linkService.pagesCount;
              offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
              offset.matchIdx = null;
              this._pagesToSearch--;

              if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
                offset.pageIdx = previous ? numPages - 1 : 0;
                offset.wrapped = true;
              }
            }
          }, {
            key: "_updateMatch",
            value: function _updateMatch() {
              var found = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              var state = FindState.NOT_FOUND;
              var wrapped = this._offset.wrapped;
              this._offset.wrapped = false;

              if (found) {
                var previousPage = this._selected.pageIdx;
                this._selected.pageIdx = this._offset.pageIdx;
                this._selected.matchIdx = this._offset.matchIdx;
                state = wrapped ? FindState.WRAPPED : FindState.FOUND;

                if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
                  this._updatePage(previousPage);
                }
              }

              this._updateUIState(state, this._state.findPrevious);

              if (this._selected.pageIdx !== -1) {
                this._scrollMatches = true;

                this._updatePage(this._selected.pageIdx);
              }
            }
          }, {
            key: "_onFindBarClose",
            value: function _onFindBarClose(evt) {
              var _this4 = this;

              var pdfDocument = this._pdfDocument;

              this._firstPageCapability.promise.then(function () {
                if (!_this4._pdfDocument || pdfDocument && _this4._pdfDocument !== pdfDocument) {
                  return;
                }

                if (_this4._findTimeout) {
                  clearTimeout(_this4._findTimeout);
                  _this4._findTimeout = null;
                }

                if (_this4._resumePageIdx) {
                  _this4._resumePageIdx = null;
                  _this4._dirtyMatch = true;
                }

                _this4._updateUIState(FindState.FOUND);

                _this4._highlightMatches = false;

                _this4._updateAllPages();
              });
            }
          }, {
            key: "_requestMatchesCount",
            value: function _requestMatchesCount() {
              var _this$_selected = this._selected,
                  pageIdx = _this$_selected.pageIdx,
                  matchIdx = _this$_selected.matchIdx;
              var current = 0,
                  total = this._matchesCountTotal;

              if (matchIdx !== -1) {
                for (var i = 0; i < pageIdx; i++) {
                  current += this._pageMatches[i] && this._pageMatches[i].length || 0;
                }

                current += matchIdx + 1;
              }

              if (current < 1 || current > total) {
                current = total = 0;
              }

              return {
                current: current,
                total: total
              };
            }
          }, {
            key: "_updateUIResultsCount",
            value: function _updateUIResultsCount() {
              this._eventBus.dispatch('updatefindmatchescount', {
                source: this,
                matchesCount: this._requestMatchesCount()
              });
            }
          }, {
            key: "_updateUIState",
            value: function _updateUIState(state, previous) {
              this._eventBus.dispatch('updatefindcontrolstate', {
                source: this,
                state: state,
                previous: previous,
                matchesCount: this._requestMatchesCount()
              });
            }
          }, {
            key: "highlightMatches",
            get: function get() {
              return this._highlightMatches;
            }
          }, {
            key: "pageMatches",
            get: function get() {
              return this._pageMatches;
            }
          }, {
            key: "pageMatchesLength",
            get: function get() {
              return this._pageMatchesLength;
            }
          }, {
            key: "selected",
            get: function get() {
              return this._selected;
            }
          }, {
            key: "state",
            get: function get() {
              return this._state;
            }
          }, {
            key: "_query",
            get: function get() {
              if (this._state.query !== this._rawQuery) {
                this._rawQuery = this._state.query;
                this._normalizedQuery = normalize(this._state.query);
              }

              return this._normalizedQuery;
            }
          }]);

          return PDFFindController;
        }();

    exports.PDFFindController = PDFFindController;

    /***/ }),
  /* 20 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.getCharacterType = getCharacterType;
    exports.CharacterType = void 0;
    var CharacterType = {
      SPACE: 0,
      ALPHA_LETTER: 1,
      PUNCT: 2,
      HAN_LETTER: 3,
      KATAKANA_LETTER: 4,
      HIRAGANA_LETTER: 5,
      HALFWIDTH_KATAKANA_LETTER: 6,
      THAI_LETTER: 7
    };
    exports.CharacterType = CharacterType;

    function isAlphabeticalScript(charCode) {
      return charCode < 0x2E80;
    }

    function isAscii(charCode) {
      return (charCode & 0xFF80) === 0;
    }

    function isAsciiAlpha(charCode) {
      return charCode >= 0x61 && charCode <= 0x7A || charCode >= 0x41 && charCode <= 0x5A;
    }

    function isAsciiDigit(charCode) {
      return charCode >= 0x30 && charCode <= 0x39;
    }

    function isAsciiSpace(charCode) {
      return charCode === 0x20 || charCode === 0x09 || charCode === 0x0D || charCode === 0x0A;
    }

    function isHan(charCode) {
      return charCode >= 0x3400 && charCode <= 0x9FFF || charCode >= 0xF900 && charCode <= 0xFAFF;
    }

    function isKatakana(charCode) {
      return charCode >= 0x30A0 && charCode <= 0x30FF;
    }

    function isHiragana(charCode) {
      return charCode >= 0x3040 && charCode <= 0x309F;
    }

    function isHalfwidthKatakana(charCode) {
      return charCode >= 0xFF60 && charCode <= 0xFF9F;
    }

    function isThai(charCode) {
      return (charCode & 0xFF80) === 0x0E00;
    }

    function getCharacterType(charCode) {
      if (isAlphabeticalScript(charCode)) {
        if (isAscii(charCode)) {
          if (isAsciiSpace(charCode)) {
            return CharacterType.SPACE;
          } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5F) {
            return CharacterType.ALPHA_LETTER;
          }

          return CharacterType.PUNCT;
        } else if (isThai(charCode)) {
          return CharacterType.THAI_LETTER;
        } else if (charCode === 0xA0) {
          return CharacterType.SPACE;
        }

        return CharacterType.ALPHA_LETTER;
      }

      if (isHan(charCode)) {
        return CharacterType.HAN_LETTER;
      } else if (isKatakana(charCode)) {
        return CharacterType.KATAKANA_LETTER;
      } else if (isHiragana(charCode)) {
        return CharacterType.HIRAGANA_LETTER;
      } else if (isHalfwidthKatakana(charCode)) {
        return CharacterType.HALFWIDTH_KATAKANA_LETTER;
      }

      return CharacterType.ALPHA_LETTER;
    }

    /***/ }),
  /* 21 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.isDestHashesEqual = isDestHashesEqual;
    exports.isDestArraysEqual = isDestArraysEqual;
    exports.PDFHistory = void 0;

    var _ui_utils = __webpack_require__(6);

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

    function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

    function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

    function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var HASH_CHANGE_TIMEOUT = 1000;
    var POSITION_UPDATED_THRESHOLD = 50;
    var UPDATE_VIEWAREA_TIMEOUT = 1000;

    function getCurrentHash() {
      return document.location.hash;
    }

    function parseCurrentHash(linkService) {
      var hash = unescape(getCurrentHash()).substring(1);
      var params = (0, _ui_utils.parseQueryString)(hash);
      var page = params.page | 0;

      if (!(Number.isInteger(page) && page > 0 && page <= linkService.pagesCount)) {
        page = null;
      }

      return {
        hash: hash,
        page: page,
        rotation: linkService.rotation
      };
    }

    var PDFHistory =
        /*#__PURE__*/
        function () {
          function PDFHistory(_ref) {
            var _this = this;

            var linkService = _ref.linkService,
                eventBus = _ref.eventBus;

            _classCallCheck(this, PDFHistory);

            this.linkService = linkService;
            this.eventBus = eventBus || (0, _ui_utils.getGlobalEventBus)();
            this.initialized = false;
            this.initialBookmark = null;
            this.initialRotation = null;
            this._boundEvents = Object.create(null);
            this._isViewerInPresentationMode = false;
            this._isPagesLoaded = false;
            this.eventBus.on('presentationmodechanged', function (evt) {
              _this._isViewerInPresentationMode = evt.active || evt.switchInProgress;
            });
            this.eventBus.on('pagesloaded', function (evt) {
              _this._isPagesLoaded = !!evt.pagesCount;
            });
          }

          _createClass(PDFHistory, [{
            key: "initialize",
            value: function initialize(_ref2) {
              var fingerprint = _ref2.fingerprint,
                  _ref2$resetHistory = _ref2.resetHistory,
                  resetHistory = _ref2$resetHistory === void 0 ? false : _ref2$resetHistory,
                  _ref2$updateUrl = _ref2.updateUrl,
                  updateUrl = _ref2$updateUrl === void 0 ? false : _ref2$updateUrl;

              if (!fingerprint || typeof fingerprint !== 'string') {
                console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
                return;
              }

              var reInitialized = this.initialized && this.fingerprint !== fingerprint;
              this.fingerprint = fingerprint;
              this._updateUrl = updateUrl === true;

              if (!this.initialized) {
                this._bindEvents();
              }

              var state = window.history.state;
              this.initialized = true;
              this.initialBookmark = null;
              this.initialRotation = null;
              this._popStateInProgress = false;
              this._blockHashChange = 0;
              this._currentHash = getCurrentHash();
              this._numPositionUpdates = 0;
              this._uid = this._maxUid = 0;
              this._destination = null;
              this._position = null;

              if (!this._isValidState(state, true) || resetHistory) {
                var _parseCurrentHash = parseCurrentHash(this.linkService),
                    hash = _parseCurrentHash.hash,
                    page = _parseCurrentHash.page,
                    rotation = _parseCurrentHash.rotation;

                if (!hash || reInitialized || resetHistory) {
                  this._pushOrReplaceState(null, true);

                  return;
                }

                this._pushOrReplaceState({
                  hash: hash,
                  page: page,
                  rotation: rotation
                }, true);

                return;
              }

              var destination = state.destination;

              this._updateInternalState(destination, state.uid, true);

              if (this._uid > this._maxUid) {
                this._maxUid = this._uid;
              }

              if (destination.rotation !== undefined) {
                this.initialRotation = destination.rotation;
              }

              if (destination.dest) {
                this.initialBookmark = JSON.stringify(destination.dest);
                this._destination.page = null;
              } else if (destination.hash) {
                this.initialBookmark = destination.hash;
              } else if (destination.page) {
                this.initialBookmark = "page=".concat(destination.page);
              }
            }
          }, {
            key: "push",
            value: function push(_ref3) {
              var _this2 = this;

              var _ref3$namedDest = _ref3.namedDest,
                  namedDest = _ref3$namedDest === void 0 ? null : _ref3$namedDest,
                  explicitDest = _ref3.explicitDest,
                  pageNumber = _ref3.pageNumber;

              if (!this.initialized) {
                return;
              }

              if (namedDest && typeof namedDest !== 'string') {
                console.error('PDFHistory.push: ' + "\"".concat(namedDest, "\" is not a valid namedDest parameter."));
                return;
              } else if (!Array.isArray(explicitDest)) {
                console.error('PDFHistory.push: ' + "\"".concat(explicitDest, "\" is not a valid explicitDest parameter."));
                return;
              } else if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.linkService.pagesCount)) {
                if (pageNumber !== null || this._destination) {
                  console.error('PDFHistory.push: ' + "\"".concat(pageNumber, "\" is not a valid pageNumber parameter."));
                  return;
                }
              }

              var hash = namedDest || JSON.stringify(explicitDest);

              if (!hash) {
                return;
              }

              var forceReplace = false;

              if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
                if (this._destination.page) {
                  return;
                }

                forceReplace = true;
              }

              if (this._popStateInProgress && !forceReplace) {
                return;
              }

              this._pushOrReplaceState({
                dest: explicitDest,
                hash: hash,
                page: pageNumber,
                rotation: this.linkService.rotation
              }, forceReplace);

              if (!this._popStateInProgress) {
                this._popStateInProgress = true;
                Promise.resolve().then(function () {
                  _this2._popStateInProgress = false;
                });
              }
            }
          }, {
            key: "pushCurrentPosition",
            value: function pushCurrentPosition() {
              if (!this.initialized || this._popStateInProgress) {
                return;
              }

              this._tryPushCurrentPosition();
            }
          }, {
            key: "back",
            value: function back() {
              if (!this.initialized || this._popStateInProgress) {
                return;
              }

              var state = window.history.state;

              if (this._isValidState(state) && state.uid > 0) {
                window.history.back();
              }
            }
          }, {
            key: "forward",
            value: function forward() {
              if (!this.initialized || this._popStateInProgress) {
                return;
              }

              var state = window.history.state;

              if (this._isValidState(state) && state.uid < this._maxUid) {
                window.history.forward();
              }
            }
          }, {
            key: "_pushOrReplaceState",
            value: function _pushOrReplaceState(destination) {
              var forceReplace = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
              var shouldReplace = forceReplace || !this._destination;
              var newState = {
                fingerprint: this.fingerprint,
                uid: shouldReplace ? this._uid : this._uid + 1,
                destination: destination
              };

              this._updateInternalState(destination, newState.uid);

              var newUrl;

              if (this._updateUrl && destination && destination.hash) {
                var baseUrl = document.location.href.split('#')[0];

                if (!baseUrl.startsWith('file://')) {
                  newUrl = "".concat(baseUrl, "#").concat(destination.hash);
                }
              }

              if (shouldReplace) {
                if (newUrl) {
                  window.history.replaceState(newState, '', newUrl);
                } else {
                  window.history.replaceState(newState, '');
                }
              } else {
                this._maxUid = this._uid;

                if (newUrl) {
                  window.history.pushState(newState, '', newUrl);
                } else {
                  window.history.pushState(newState, '');
                }
              }
            }
          }, {
            key: "_tryPushCurrentPosition",
            value: function _tryPushCurrentPosition() {
              var temporary = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (!this._position) {
                return;
              }

              var position = this._position;

              if (temporary) {
                position = Object.assign(Object.create(null), this._position);
                position.temporary = true;
              }

              if (!this._destination) {
                this._pushOrReplaceState(position);

                return;
              }

              if (this._destination.temporary) {
                this._pushOrReplaceState(position, true);

                return;
              }

              if (this._destination.hash === position.hash) {
                return;
              }

              if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
                return;
              }

              var forceReplace = false;

              if (this._destination.page >= position.first && this._destination.page <= position.page) {
                if (this._destination.dest || !this._destination.first) {
                  return;
                }

                forceReplace = true;
              }

              this._pushOrReplaceState(position, forceReplace);
            }
          }, {
            key: "_isValidState",
            value: function _isValidState(state) {
              var checkReload = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              if (!state) {
                return false;
              }

              if (state.fingerprint !== this.fingerprint) {
                if (checkReload) {
                  if (typeof state.fingerprint !== 'string' || state.fingerprint.length !== this.fingerprint.length) {
                    return false;
                  }

                  var _performance$getEntri = performance.getEntriesByType('navigation'),
                      _performance$getEntri2 = _slicedToArray(_performance$getEntri, 1),
                      perfEntry = _performance$getEntri2[0];

                  if (!perfEntry || perfEntry.type !== 'reload') {
                    return false;
                  }
                } else {
                  return false;
                }
              }

              if (!Number.isInteger(state.uid) || state.uid < 0) {
                return false;
              }

              if (state.destination === null || _typeof(state.destination) !== 'object') {
                return false;
              }

              return true;
            }
          }, {
            key: "_updateInternalState",
            value: function _updateInternalState(destination, uid) {
              var removeTemporary = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

              if (this._updateViewareaTimeout) {
                clearTimeout(this._updateViewareaTimeout);
                this._updateViewareaTimeout = null;
              }

              if (removeTemporary && destination && destination.temporary) {
                delete destination.temporary;
              }

              this._destination = destination;
              this._uid = uid;
              this._numPositionUpdates = 0;
            }
          }, {
            key: "_updateViewarea",
            value: function _updateViewarea(_ref4) {
              var _this3 = this;

              var location = _ref4.location;

              if (this._updateViewareaTimeout) {
                clearTimeout(this._updateViewareaTimeout);
                this._updateViewareaTimeout = null;
              }

              this._position = {
                hash: this._isViewerInPresentationMode ? "page=".concat(location.pageNumber) : location.pdfOpenParams.substring(1),
                page: this.linkService.page,
                first: location.pageNumber,
                rotation: location.rotation
              };

              if (this._popStateInProgress) {
                return;
              }

              if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
                this._numPositionUpdates++;
              }

              if (UPDATE_VIEWAREA_TIMEOUT > 0) {
                this._updateViewareaTimeout = setTimeout(function () {
                  if (!_this3._popStateInProgress) {
                    _this3._tryPushCurrentPosition(true);
                  }

                  _this3._updateViewareaTimeout = null;
                }, UPDATE_VIEWAREA_TIMEOUT);
              }
            }
          }, {
            key: "_popState",
            value: function _popState(_ref5) {
              var _this4 = this;

              var state = _ref5.state;
              var newHash = getCurrentHash(),
                  hashChanged = this._currentHash !== newHash;
              this._currentHash = newHash;

              if (!state || false) {
                this._uid++;

                var _parseCurrentHash2 = parseCurrentHash(this.linkService),
                    hash = _parseCurrentHash2.hash,
                    page = _parseCurrentHash2.page,
                    rotation = _parseCurrentHash2.rotation;

                this._pushOrReplaceState({
                  hash: hash,
                  page: page,
                  rotation: rotation
                }, true);

                return;
              }

              if (!this._isValidState(state)) {
                return;
              }

              this._popStateInProgress = true;

              if (hashChanged) {
                this._blockHashChange++;
                (0, _ui_utils.waitOnEventOrTimeout)({
                  target: window,
                  name: 'hashchange',
                  delay: HASH_CHANGE_TIMEOUT
                }).then(function () {
                  _this4._blockHashChange--;
                });
              }

              var destination = state.destination;

              this._updateInternalState(destination, state.uid, true);

              if (this._uid > this._maxUid) {
                this._maxUid = this._uid;
              }

              if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
                this.linkService.rotation = destination.rotation;
              }

              if (destination.dest) {
                this.linkService.navigateTo(destination.dest);
              } else if (destination.hash) {
                this.linkService.setHash(destination.hash);
              } else if (destination.page) {
                this.linkService.page = destination.page;
              }

              Promise.resolve().then(function () {
                _this4._popStateInProgress = false;
              });
            }
          }, {
            key: "_bindEvents",
            value: function _bindEvents() {
              var _this5 = this;

              var _boundEvents = this._boundEvents,
                  eventBus = this.eventBus;
              _boundEvents.updateViewarea = this._updateViewarea.bind(this);
              _boundEvents.popState = this._popState.bind(this);

              _boundEvents.pageHide = function (evt) {
                if (!_this5._destination || _this5._destination.temporary) {
                  _this5._tryPushCurrentPosition();
                }
              };

              eventBus.on('updateviewarea', _boundEvents.updateViewarea);
              window.addEventListener('popstate', _boundEvents.popState);
              window.addEventListener('pagehide', _boundEvents.pageHide);
            }
          }, {
            key: "popStateInProgress",
            get: function get() {
              return this.initialized && (this._popStateInProgress || this._blockHashChange > 0);
            }
          }]);

          return PDFHistory;
        }();

    exports.PDFHistory = PDFHistory;

    function isDestHashesEqual(destHash, pushHash) {
      if (typeof destHash !== 'string' || typeof pushHash !== 'string') {
        return false;
      }

      if (destHash === pushHash) {
        return true;
      }

      var _parseQueryString = (0, _ui_utils.parseQueryString)(destHash),
          nameddest = _parseQueryString.nameddest;

      if (nameddest === pushHash) {
        return true;
      }

      return false;
    }

    function isDestArraysEqual(firstDest, secondDest) {
      function isEntryEqual(first, second) {
        if (_typeof(first) !== _typeof(second)) {
          return false;
        }

        if (Array.isArray(first) || Array.isArray(second)) {
          return false;
        }

        if (first !== null && _typeof(first) === 'object' && second !== null) {
          if (Object.keys(first).length !== Object.keys(second).length) {
            return false;
          }

          for (var key in first) {
            if (!isEntryEqual(first[key], second[key])) {
              return false;
            }
          }

          return true;
        }

        return first === second || Number.isNaN(first) && Number.isNaN(second);
      }

      if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
        return false;
      }

      if (firstDest.length !== secondDest.length) {
        return false;
      }

      for (var i = 0, ii = firstDest.length; i < ii; i++) {
        if (!isEntryEqual(firstDest[i], secondDest[i])) {
          return false;
        }
      }

      return true;
    }

    /***/ }),
  /* 22 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.SimpleLinkService = exports.PDFLinkService = void 0;

    var _ui_utils = __webpack_require__(6);

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var PDFLinkService =
        /*#__PURE__*/
        function () {
          function PDFLinkService() {
            var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
                eventBus = _ref.eventBus,
                _ref$externalLinkTarg = _ref.externalLinkTarget,
                externalLinkTarget = _ref$externalLinkTarg === void 0 ? null : _ref$externalLinkTarg,
                _ref$externalLinkRel = _ref.externalLinkRel,
                externalLinkRel = _ref$externalLinkRel === void 0 ? null : _ref$externalLinkRel;

            _classCallCheck(this, PDFLinkService);

            this.eventBus = eventBus || (0, _ui_utils.getGlobalEventBus)();
            this.externalLinkTarget = externalLinkTarget;
            this.externalLinkRel = externalLinkRel;
            this.baseUrl = null;
            this.pdfDocument = null;
            this.pdfViewer = null;
            this.pdfHistory = null;
            this._pagesRefCache = null;
          }

          _createClass(PDFLinkService, [{
            key: "setDocument",
            value: function setDocument(pdfDocument) {
              var baseUrl = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
              this.baseUrl = baseUrl;
              this.pdfDocument = pdfDocument;
              this._pagesRefCache = Object.create(null);
            }
          }, {
            key: "setViewer",
            value: function setViewer(pdfViewer) {
              this.pdfViewer = pdfViewer;
            }
          }, {
            key: "setHistory",
            value: function setHistory(pdfHistory) {
              this.pdfHistory = pdfHistory;
            }
          }, {
            key: "navigateTo",
            value: function navigateTo(dest) {
              var _this = this;

              var goToDestination = function goToDestination(_ref2) {
                var namedDest = _ref2.namedDest,
                    explicitDest = _ref2.explicitDest;
                var destRef = explicitDest[0],
                    pageNumber;

                if (destRef instanceof Object) {
                  pageNumber = _this._cachedPageNumber(destRef);

                  if (pageNumber === null) {
                    _this.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
                      _this.cachePageRef(pageIndex + 1, destRef);

                      goToDestination({
                        namedDest: namedDest,
                        explicitDest: explicitDest
                      });
                    }).catch(function () {
                      console.error("PDFLinkService.navigateTo: \"".concat(destRef, "\" is not ") + "a valid page reference, for dest=\"".concat(dest, "\"."));
                    });

                    return;
                  }
                } else if (Number.isInteger(destRef)) {
                  pageNumber = destRef + 1;
                } else {
                  console.error("PDFLinkService.navigateTo: \"".concat(destRef, "\" is not ") + "a valid destination reference, for dest=\"".concat(dest, "\"."));
                  return;
                }

                if (!pageNumber || pageNumber < 1 || pageNumber > _this.pagesCount) {
                  console.error("PDFLinkService.navigateTo: \"".concat(pageNumber, "\" is not ") + "a valid page number, for dest=\"".concat(dest, "\"."));
                  return;
                }

                if (_this.pdfHistory) {
                  _this.pdfHistory.pushCurrentPosition();

                  _this.pdfHistory.push({
                    namedDest: namedDest,
                    explicitDest: explicitDest,
                    pageNumber: pageNumber
                  });
                }

                _this.pdfViewer.scrollPageIntoView({
                  pageNumber: pageNumber,
                  destArray: explicitDest
                });
              };

              new Promise(function (resolve, reject) {
                if (typeof dest === 'string') {
                  _this.pdfDocument.getDestination(dest).then(function (destArray) {
                    resolve({
                      namedDest: dest,
                      explicitDest: destArray
                    });
                  });

                  return;
                }

                resolve({
                  namedDest: '',
                  explicitDest: dest
                });
              }).then(function (data) {
                if (!Array.isArray(data.explicitDest)) {
                  console.error("PDFLinkService.navigateTo: \"".concat(data.explicitDest, "\" is") + " not a valid destination array, for dest=\"".concat(dest, "\"."));
                  return;
                }

                goToDestination(data);
              });
            }
          }, {
            key: "getDestinationHash",
            value: function getDestinationHash(dest) {
              if (typeof dest === 'string') {
                return this.getAnchorUrl('#' + escape(dest));
              }

              if (Array.isArray(dest)) {
                var str = JSON.stringify(dest);
                return this.getAnchorUrl('#' + escape(str));
              }

              return this.getAnchorUrl('');
            }
          }, {
            key: "getAnchorUrl",
            value: function getAnchorUrl(anchor) {
              return (this.baseUrl || '') + anchor;
            }
          }, {
            key: "setHash",
            value: function setHash(hash) {
              var pageNumber, dest;

              if (hash.includes('=')) {
                var params = (0, _ui_utils.parseQueryString)(hash);

                if ('search' in params) {
                  this.eventBus.dispatch('findfromurlhash', {
                    source: this,
                    query: params['search'].replace(/"/g, ''),
                    phraseSearch: params['phrase'] === 'true'
                  });
                }

                if ('nameddest' in params) {
                  this.navigateTo(params.nameddest);
                  return;
                }

                if ('page' in params) {
                  pageNumber = params.page | 0 || 1;
                }

                if ('zoom' in params) {
                  var zoomArgs = params.zoom.split(',');
                  var zoomArg = zoomArgs[0];
                  var zoomArgNumber = parseFloat(zoomArg);

                  if (!zoomArg.includes('Fit')) {
                    dest = [null, {
                      name: 'XYZ'
                    }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
                  } else {
                    if (zoomArg === 'Fit' || zoomArg === 'FitB') {
                      dest = [null, {
                        name: zoomArg
                      }];
                    } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') {
                      dest = [null, {
                        name: zoomArg
                      }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
                    } else if (zoomArg === 'FitR') {
                      if (zoomArgs.length !== 5) {
                        console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
                      } else {
                        dest = [null, {
                          name: zoomArg
                        }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
                      }
                    } else {
                      console.error("PDFLinkService.setHash: \"".concat(zoomArg, "\" is not ") + 'a valid zoom value.');
                    }
                  }
                }

                if (dest) {
                  this.pdfViewer.scrollPageIntoView({
                    pageNumber: pageNumber || this.page,
                    destArray: dest,
                    allowNegativeOffset: true
                  });
                } else if (pageNumber) {
                  this.page = pageNumber;
                }

                if ('pagemode' in params) {
                  this.eventBus.dispatch('pagemode', {
                    source: this,
                    mode: params.pagemode
                  });
                }
              } else {
                dest = unescape(hash);

                try {
                  dest = JSON.parse(dest);

                  if (!Array.isArray(dest)) {
                    dest = dest.toString();
                  }
                } catch (ex) {}

                if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
                  this.navigateTo(dest);
                  return;
                }

                console.error("PDFLinkService.setHash: \"".concat(unescape(hash), "\" is not ") + 'a valid destination.');
              }
            }
          }, {
            key: "executeNamedAction",
            value: function executeNamedAction(action) {
              switch (action) {
                case 'GoBack':
                  if (this.pdfHistory) {
                    this.pdfHistory.back();
                  }

                  break;

                case 'GoForward':
                  if (this.pdfHistory) {
                    this.pdfHistory.forward();
                  }

                  break;

                case 'NextPage':
                  if (this.page < this.pagesCount) {
                    this.page++;
                  }

                  break;

                case 'PrevPage':
                  if (this.page > 1) {
                    this.page--;
                  }

                  break;

                case 'LastPage':
                  this.page = this.pagesCount;
                  break;

                case 'FirstPage':
                  this.page = 1;
                  break;

                default:
                  break;
              }

              this.eventBus.dispatch('namedaction', {
                source: this,
                action: action
              });
            }
          }, {
            key: "cachePageRef",
            value: function cachePageRef(pageNum, pageRef) {
              if (!pageRef) {
                return;
              }

              var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
              this._pagesRefCache[refStr] = pageNum;
            }
          }, {
            key: "_cachedPageNumber",
            value: function _cachedPageNumber(pageRef) {
              var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
              return this._pagesRefCache && this._pagesRefCache[refStr] || null;
            }
          }, {
            key: "isPageVisible",
            value: function isPageVisible(pageNumber) {
              return this.pdfViewer.isPageVisible(pageNumber);
            }
          }, {
            key: "pagesCount",
            get: function get() {
              return this.pdfDocument ? this.pdfDocument.numPages : 0;
            }
          }, {
            key: "page",
            get: function get() {
              return this.pdfViewer.currentPageNumber;
            },
            set: function set(value) {
              this.pdfViewer.currentPageNumber = value;
            }
          }, {
            key: "rotation",
            get: function get() {
              return this.pdfViewer.pagesRotation;
            },
            set: function set(value) {
              this.pdfViewer.pagesRotation = value;
            }
          }]);

          return PDFLinkService;
        }();

    exports.PDFLinkService = PDFLinkService;

    function isValidExplicitDestination(dest) {
      if (!Array.isArray(dest)) {
        return false;
      }

      var destLength = dest.length,
          allowNull = true;

      if (destLength < 2) {
        return false;
      }

      var page = dest[0];

      if (!(_typeof(page) === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
        return false;
      }

      var zoom = dest[1];

      if (!(_typeof(zoom) === 'object' && typeof zoom.name === 'string')) {
        return false;
      }

      switch (zoom.name) {
        case 'XYZ':
          if (destLength !== 5) {
            return false;
          }

          break;

        case 'Fit':
        case 'FitB':
          return destLength === 2;

        case 'FitH':
        case 'FitBH':
        case 'FitV':
        case 'FitBV':
          if (destLength !== 3) {
            return false;
          }

          break;

        case 'FitR':
          if (destLength !== 6) {
            return false;
          }

          allowNull = false;
          break;

        default:
          return false;
      }

      for (var i = 2; i < destLength; i++) {
        var param = dest[i];

        if (!(typeof param === 'number' || allowNull && param === null)) {
          return false;
        }
      }

      return true;
    }

    var SimpleLinkService =
        /*#__PURE__*/
        function () {
          function SimpleLinkService() {
            _classCallCheck(this, SimpleLinkService);

            this.externalLinkTarget = null;
            this.externalLinkRel = null;
          }

          _createClass(SimpleLinkService, [{
            key: "navigateTo",
            value: function navigateTo(dest) {}
          }, {
            key: "getDestinationHash",
            value: function getDestinationHash(dest) {
              return '#';
            }
          }, {
            key: "getAnchorUrl",
            value: function getAnchorUrl(hash) {
              return '#';
            }
          }, {
            key: "setHash",
            value: function setHash(hash) {}
          }, {
            key: "executeNamedAction",
            value: function executeNamedAction(action) {}
          }, {
            key: "cachePageRef",
            value: function cachePageRef(pageNum, pageRef) {}
          }, {
            key: "isPageVisible",
            value: function isPageVisible(pageNumber) {
              return true;
            }
          }, {
            key: "pagesCount",
            get: function get() {
              return 0;
            }
          }, {
            key: "page",
            get: function get() {
              return 0;
            },
            set: function set(value) {}
          }, {
            key: "rotation",
            get: function get() {
              return 0;
            },
            set: function set(value) {}
          }]);

          return SimpleLinkService;
        }();

    exports.SimpleLinkService = SimpleLinkService;

    /***/ }),
  /* 23 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFOutlineViewer = void 0;

    var _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var DEFAULT_TITLE = "\u2013";

    var PDFOutlineViewer =
        /*#__PURE__*/
        function () {
          function PDFOutlineViewer(_ref) {
            var container = _ref.container,
                linkService = _ref.linkService,
                eventBus = _ref.eventBus;

            _classCallCheck(this, PDFOutlineViewer);

            this.container = container;
            this.linkService = linkService;
            this.eventBus = eventBus;
            this.reset();
            eventBus.on('toggleoutlinetree', this.toggleOutlineTree.bind(this));
          }

          _createClass(PDFOutlineViewer, [{
            key: "reset",
            value: function reset() {
              this.outline = null;
              this.lastToggleIsShow = true;
              this.container.textContent = '';
              this.container.classList.remove('outlineWithDeepNesting');
            }
          }, {
            key: "_dispatchEvent",
            value: function _dispatchEvent(outlineCount) {
              this.eventBus.dispatch('outlineloaded', {
                source: this,
                outlineCount: outlineCount
              });
            }
          }, {
            key: "_bindLink",
            value: function _bindLink(element, _ref2) {
              var url = _ref2.url,
                  newWindow = _ref2.newWindow,
                  dest = _ref2.dest;
              var linkService = this.linkService;

              if (url) {
                (0, _pdfjsLib.addLinkAttributes)(element, {
                  url: url,
                  target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
                  rel: linkService.externalLinkRel
                });
                return;
              }

              element.href = linkService.getDestinationHash(dest);

              element.onclick = function () {
                if (dest) {
                  linkService.navigateTo(dest);
                }

                return false;
              };
            }
          }, {
            key: "_setStyles",
            value: function _setStyles(element, _ref3) {
              var bold = _ref3.bold,
                  italic = _ref3.italic;
              var styleStr = '';

              if (bold) {
                styleStr += 'font-weight: bold;';
              }

              if (italic) {
                styleStr += 'font-style: italic;';
              }

              if (styleStr) {
                element.setAttribute('style', styleStr);
              }
            }
          }, {
            key: "_addToggleButton",
            value: function _addToggleButton(div) {
              var _this = this;

              var toggler = document.createElement('div');
              toggler.className = 'outlineItemToggler';

              toggler.onclick = function (evt) {
                evt.stopPropagation();
                toggler.classList.toggle('outlineItemsHidden');

                if (evt.shiftKey) {
                  var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');

                  _this._toggleOutlineItem(div, shouldShowAll);
                }
              };

              div.insertBefore(toggler, div.firstChild);
            }
          }, {
            key: "_toggleOutlineItem",
            value: function _toggleOutlineItem(root) {
              var show = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
              this.lastToggleIsShow = show;
              var _iteratorNormalCompletion = true;
              var _didIteratorError = false;
              var _iteratorError = undefined;

              try {
                for (var _iterator = root.querySelectorAll('.outlineItemToggler')[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
                  var toggler = _step.value;
                  toggler.classList.toggle('outlineItemsHidden', !show);
                }
              } catch (err) {
                _didIteratorError = true;
                _iteratorError = err;
              } finally {
                try {
                  if (!_iteratorNormalCompletion && _iterator.return != null) {
                    _iterator.return();
                  }
                } finally {
                  if (_didIteratorError) {
                    throw _iteratorError;
                  }
                }
              }
            }
          }, {
            key: "toggleOutlineTree",
            value: function toggleOutlineTree() {
              if (!this.outline) {
                return;
              }

              this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
            }
          }, {
            key: "render",
            value: function render(_ref4) {
              var outline = _ref4.outline;
              var outlineCount = 0;

              if (this.outline) {
                this.reset();
              }

              this.outline = outline || null;

              if (!outline) {
                this._dispatchEvent(outlineCount);

                return;
              }

              var fragment = document.createDocumentFragment();
              var queue = [{
                parent: fragment,
                items: this.outline
              }];
              var hasAnyNesting = false;

              while (queue.length > 0) {
                var levelData = queue.shift();

                for (var i = 0, len = levelData.items.length; i < len; i++) {
                  var item = levelData.items[i];
                  var div = document.createElement('div');
                  div.className = 'outlineItem';
                  var element = document.createElement('a');

                  this._bindLink(element, item);

                  this._setStyles(element, item);

                  element.textContent = (0, _pdfjsLib.removeNullCharacters)(item.title) || DEFAULT_TITLE;
                  div.appendChild(element);

                  if (item.items.length > 0) {
                    hasAnyNesting = true;

                    this._addToggleButton(div);

                    var itemsDiv = document.createElement('div');
                    itemsDiv.className = 'outlineItems';
                    div.appendChild(itemsDiv);
                    queue.push({
                      parent: itemsDiv,
                      items: item.items
                    });
                  }

                  levelData.parent.appendChild(div);
                  outlineCount++;
                }
              }

              if (hasAnyNesting) {
                this.container.classList.add('outlineWithDeepNesting');
              }

              this.container.appendChild(fragment);

              this._dispatchEvent(outlineCount);
            }
          }]);

          return PDFOutlineViewer;
        }();

    exports.PDFOutlineViewer = PDFOutlineViewer;

    /***/ }),
  /* 24 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFPresentationMode = void 0;

    var _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
    var DELAY_BEFORE_HIDING_CONTROLS = 3000;
    var ACTIVE_SELECTOR = 'pdfPresentationMode';
    var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
    var MOUSE_SCROLL_COOLDOWN_TIME = 50;
    var PAGE_SWITCH_THRESHOLD = 0.1;
    var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
    var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;

    var PDFPresentationMode =
        /*#__PURE__*/
        function () {
          function PDFPresentationMode(_ref) {
            var _this = this;

            var container = _ref.container,
                _ref$viewer = _ref.viewer,
                viewer = _ref$viewer === void 0 ? null : _ref$viewer,
                pdfViewer = _ref.pdfViewer,
                eventBus = _ref.eventBus,
                _ref$contextMenuItems = _ref.contextMenuItems,
                contextMenuItems = _ref$contextMenuItems === void 0 ? null : _ref$contextMenuItems;

            _classCallCheck(this, PDFPresentationMode);

            this.container = container;
            this.viewer = viewer || container.firstElementChild;
            this.pdfViewer = pdfViewer;
            this.eventBus = eventBus;
            this.active = false;
            this.args = null;
            this.contextMenuOpen = false;
            this.mouseScrollTimeStamp = 0;
            this.mouseScrollDelta = 0;
            this.touchSwipeState = null;

            if (contextMenuItems) {
              contextMenuItems.contextFirstPage.addEventListener('click', function () {
                _this.contextMenuOpen = false;

                _this.eventBus.dispatch('firstpage', {
                  source: _this
                });
              });
              contextMenuItems.contextLastPage.addEventListener('click', function () {
                _this.contextMenuOpen = false;

                _this.eventBus.dispatch('lastpage', {
                  source: _this
                });
              });
              contextMenuItems.contextPageRotateCw.addEventListener('click', function () {
                _this.contextMenuOpen = false;

                _this.eventBus.dispatch('rotatecw', {
                  source: _this
                });
              });
              contextMenuItems.contextPageRotateCcw.addEventListener('click', function () {
                _this.contextMenuOpen = false;

                _this.eventBus.dispatch('rotateccw', {
                  source: _this
                });
              });
            }
          }

          _createClass(PDFPresentationMode, [{
            key: "request",
            value: function request() {
              if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
                return false;
              }

              this._addFullscreenChangeListeners();

              this._setSwitchInProgress();

              this._notifyStateChange();

              if (this.container.requestFullscreen) {
                this.container.requestFullscreen();
              } else if (this.container.mozRequestFullScreen) {
                this.container.mozRequestFullScreen();
              } else if (this.container.webkitRequestFullscreen) {
                this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
              } else if (this.container.msRequestFullscreen) {
                this.container.msRequestFullscreen();
              } else {
                return false;
              }

              this.args = {
                page: this.pdfViewer.currentPageNumber,
                previousScale: this.pdfViewer.currentScaleValue
              };
              return true;
            }
          }, {
            key: "_mouseWheel",
            value: function _mouseWheel(evt) {
              if (!this.active) {
                return;
              }

              evt.preventDefault();
              var delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
              var currentTime = new Date().getTime();
              var storedTime = this.mouseScrollTimeStamp;

              if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
                return;
              }

              if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
                this._resetMouseScrollState();
              }

              this.mouseScrollDelta += delta;

              if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
                var totalDelta = this.mouseScrollDelta;

                this._resetMouseScrollState();

                var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();

                if (success) {
                  this.mouseScrollTimeStamp = currentTime;
                }
              }
            }
          }, {
            key: "_goToPreviousPage",
            value: function _goToPreviousPage() {
              var page = this.pdfViewer.currentPageNumber;

              if (page <= 1) {
                return false;
              }

              this.pdfViewer.currentPageNumber = page - 1;
              return true;
            }
          }, {
            key: "_goToNextPage",
            value: function _goToNextPage() {
              var page = this.pdfViewer.currentPageNumber;

              if (page >= this.pdfViewer.pagesCount) {
                return false;
              }

              this.pdfViewer.currentPageNumber = page + 1;
              return true;
            }
          }, {
            key: "_notifyStateChange",
            value: function _notifyStateChange() {
              this.eventBus.dispatch('presentationmodechanged', {
                source: this,
                active: this.active,
                switchInProgress: !!this.switchInProgress
              });
            }
          }, {
            key: "_setSwitchInProgress",
            value: function _setSwitchInProgress() {
              var _this2 = this;

              if (this.switchInProgress) {
                clearTimeout(this.switchInProgress);
              }

              this.switchInProgress = setTimeout(function () {
                _this2._removeFullscreenChangeListeners();

                delete _this2.switchInProgress;

                _this2._notifyStateChange();
              }, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
            }
          }, {
            key: "_resetSwitchInProgress",
            value: function _resetSwitchInProgress() {
              if (this.switchInProgress) {
                clearTimeout(this.switchInProgress);
                delete this.switchInProgress;
              }
            }
          }, {
            key: "_enter",
            value: function _enter() {
              var _this3 = this;

              this.active = true;

              this._resetSwitchInProgress();

              this._notifyStateChange();

              this.container.classList.add(ACTIVE_SELECTOR);
              setTimeout(function () {
                _this3.pdfViewer.currentPageNumber = _this3.args.page;
                _this3.pdfViewer.currentScaleValue = 'page-fit';
              }, 0);

              this._addWindowListeners();

              this._showControls();

              this.contextMenuOpen = false;
              this.container.setAttribute('contextmenu', 'viewerContextMenu');
              window.getSelection().removeAllRanges();
            }
          }, {
            key: "_exit",
            value: function _exit() {
              var _this4 = this;

              var page = this.pdfViewer.currentPageNumber;
              this.container.classList.remove(ACTIVE_SELECTOR);
              setTimeout(function () {
                _this4.active = false;

                _this4._removeFullscreenChangeListeners();

                _this4._notifyStateChange();

                _this4.pdfViewer.currentScaleValue = _this4.args.previousScale;
                _this4.pdfViewer.currentPageNumber = page;
                _this4.args = null;
              }, 0);

              this._removeWindowListeners();

              this._hideControls();

              this._resetMouseScrollState();

              this.container.removeAttribute('contextmenu');
              this.contextMenuOpen = false;
            }
          }, {
            key: "_mouseDown",
            value: function _mouseDown(evt) {
              if (this.contextMenuOpen) {
                this.contextMenuOpen = false;
                evt.preventDefault();
                return;
              }

              if (evt.button === 0) {
                var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');

                if (!isInternalLink) {
                  evt.preventDefault();

                  if (evt.shiftKey) {
                    this._goToPreviousPage();
                  } else {
                    this._goToNextPage();
                  }
                }
              }
            }
          }, {
            key: "_contextMenu",
            value: function _contextMenu() {
              this.contextMenuOpen = true;
            }
          }, {
            key: "_showControls",
            value: function _showControls() {
              var _this5 = this;

              if (this.controlsTimeout) {
                clearTimeout(this.controlsTimeout);
              } else {
                this.container.classList.add(CONTROLS_SELECTOR);
              }

              this.controlsTimeout = setTimeout(function () {
                _this5.container.classList.remove(CONTROLS_SELECTOR);

                delete _this5.controlsTimeout;
              }, DELAY_BEFORE_HIDING_CONTROLS);
            }
          }, {
            key: "_hideControls",
            value: function _hideControls() {
              if (!this.controlsTimeout) {
                return;
              }

              clearTimeout(this.controlsTimeout);
              this.container.classList.remove(CONTROLS_SELECTOR);
              delete this.controlsTimeout;
            }
          }, {
            key: "_resetMouseScrollState",
            value: function _resetMouseScrollState() {
              this.mouseScrollTimeStamp = 0;
              this.mouseScrollDelta = 0;
            }
          }, {
            key: "_touchSwipe",
            value: function _touchSwipe(evt) {
              if (!this.active) {
                return;
              }

              if (evt.touches.length > 1) {
                this.touchSwipeState = null;
                return;
              }

              switch (evt.type) {
                case 'touchstart':
                  this.touchSwipeState = {
                    startX: evt.touches[0].pageX,
                    startY: evt.touches[0].pageY,
                    endX: evt.touches[0].pageX,
                    endY: evt.touches[0].pageY
                  };
                  break;

                case 'touchmove':
                  if (this.touchSwipeState === null) {
                    return;
                  }

                  this.touchSwipeState.endX = evt.touches[0].pageX;
                  this.touchSwipeState.endY = evt.touches[0].pageY;
                  evt.preventDefault();
                  break;

                case 'touchend':
                  if (this.touchSwipeState === null) {
                    return;
                  }

                  var delta = 0;
                  var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
                  var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
                  var absAngle = Math.abs(Math.atan2(dy, dx));

                  if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
                    delta = dx;
                  } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
                    delta = dy;
                  }

                  if (delta > 0) {
                    this._goToPreviousPage();
                  } else if (delta < 0) {
                    this._goToNextPage();
                  }

                  break;
              }
            }
          }, {
            key: "_addWindowListeners",
            value: function _addWindowListeners() {
              this.showControlsBind = this._showControls.bind(this);
              this.mouseDownBind = this._mouseDown.bind(this);
              this.mouseWheelBind = this._mouseWheel.bind(this);
              this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
              this.contextMenuBind = this._contextMenu.bind(this);
              this.touchSwipeBind = this._touchSwipe.bind(this);
              window.addEventListener('mousemove', this.showControlsBind);
              window.addEventListener('mousedown', this.mouseDownBind);
              window.addEventListener('wheel', this.mouseWheelBind);
              window.addEventListener('keydown', this.resetMouseScrollStateBind);
              window.addEventListener('contextmenu', this.contextMenuBind);
              window.addEventListener('touchstart', this.touchSwipeBind);
              window.addEventListener('touchmove', this.touchSwipeBind);
              window.addEventListener('touchend', this.touchSwipeBind);
            }
          }, {
            key: "_removeWindowListeners",
            value: function _removeWindowListeners() {
              window.removeEventListener('mousemove', this.showControlsBind);
              window.removeEventListener('mousedown', this.mouseDownBind);
              window.removeEventListener('wheel', this.mouseWheelBind);
              window.removeEventListener('keydown', this.resetMouseScrollStateBind);
              window.removeEventListener('contextmenu', this.contextMenuBind);
              window.removeEventListener('touchstart', this.touchSwipeBind);
              window.removeEventListener('touchmove', this.touchSwipeBind);
              window.removeEventListener('touchend', this.touchSwipeBind);
              delete this.showControlsBind;
              delete this.mouseDownBind;
              delete this.mouseWheelBind;
              delete this.resetMouseScrollStateBind;
              delete this.contextMenuBind;
              delete this.touchSwipeBind;
            }
          }, {
            key: "_fullscreenChange",
            value: function _fullscreenChange() {
              if (this.isFullscreen) {
                this._enter();
              } else {
                this._exit();
              }
            }
          }, {
            key: "_addFullscreenChangeListeners",
            value: function _addFullscreenChangeListeners() {
              this.fullscreenChangeBind = this._fullscreenChange.bind(this);
              window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
              window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
              window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
              window.addEventListener('MSFullscreenChange', this.fullscreenChangeBind);
            }
          }, {
            key: "_removeFullscreenChangeListeners",
            value: function _removeFullscreenChangeListeners() {
              window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
              window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
              window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
              window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
              delete this.fullscreenChangeBind;
            }
          }, {
            key: "isFullscreen",
            get: function get() {
              return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
            }
          }]);

          return PDFPresentationMode;
        }();

    exports.PDFPresentationMode = PDFPresentationMode;

    /***/ }),
  /* 25 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFSidebarResizer = void 0;

    var _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var SIDEBAR_WIDTH_VAR = '--sidebar-width';
    var SIDEBAR_MIN_WIDTH = 200;
    var SIDEBAR_RESIZING_CLASS = 'sidebarResizing';

    var PDFSidebarResizer =
        /*#__PURE__*/
        function () {
          function PDFSidebarResizer(options, eventBus) {
            var _this = this;

            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, PDFSidebarResizer);

            this.enabled = false;
            this.isRTL = false;
            this.sidebarOpen = false;
            this.doc = document.documentElement;
            this._width = null;
            this._outerContainerWidth = null;
            this._boundEvents = Object.create(null);
            this.outerContainer = options.outerContainer;
            this.resizer = options.resizer;
            this.eventBus = eventBus;
            this.l10n = l10n;

            if (typeof CSS === 'undefined' || typeof CSS.supports !== 'function' || !CSS.supports(SIDEBAR_WIDTH_VAR, "calc(-1 * ".concat(SIDEBAR_MIN_WIDTH, "px)"))) {
              console.warn('PDFSidebarResizer: ' + 'The browser does not support resizing of the sidebar.');
              return;
            }

            this.enabled = true;
            this.resizer.classList.remove('hidden');
            this.l10n.getDirection().then(function (dir) {
              _this.isRTL = dir === 'rtl';
            });

            this._addEventListeners();
          }

          _createClass(PDFSidebarResizer, [{
            key: "_updateWidth",
            value: function _updateWidth() {
              var width = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

              if (!this.enabled) {
                return false;
              }

              var maxWidth = Math.floor(this.outerContainerWidth / 2);

              if (width > maxWidth) {
                width = maxWidth;
              }

              if (width < SIDEBAR_MIN_WIDTH) {
                width = SIDEBAR_MIN_WIDTH;
              }

              if (width === this._width) {
                return false;
              }

              this._width = width;
              this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, "".concat(width, "px"));
              return true;
            }
          }, {
            key: "_mouseMove",
            value: function _mouseMove(evt) {
              var width = evt.clientX;

              if (this.isRTL) {
                width = this.outerContainerWidth - width;
              }

              this._updateWidth(width);
            }
          }, {
            key: "_mouseUp",
            value: function _mouseUp(evt) {
              this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
              this.eventBus.dispatch('resize', {
                source: this
              });
              var _boundEvents = this._boundEvents;
              window.removeEventListener('mousemove', _boundEvents.mouseMove);
              window.removeEventListener('mouseup', _boundEvents.mouseUp);
            }
          }, {
            key: "_addEventListeners",
            value: function _addEventListeners() {
              var _this2 = this;

              if (!this.enabled) {
                return;
              }

              var _boundEvents = this._boundEvents;
              _boundEvents.mouseMove = this._mouseMove.bind(this);
              _boundEvents.mouseUp = this._mouseUp.bind(this);
              this.resizer.addEventListener('mousedown', function (evt) {
                if (evt.button !== 0) {
                  return;
                }

                _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);

                window.addEventListener('mousemove', _boundEvents.mouseMove);
                window.addEventListener('mouseup', _boundEvents.mouseUp);
              });
              this.eventBus.on('sidebarviewchanged', function (evt) {
                _this2.sidebarOpen = !!(evt && evt.view);
              });
              this.eventBus.on('resize', function (evt) {
                if (evt && evt.source === window) {
                  _this2._outerContainerWidth = null;

                  if (_this2._width) {
                    if (_this2.sidebarOpen) {
                      _this2.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);

                      var updated = _this2._updateWidth(_this2._width);

                      Promise.resolve().then(function () {
                        _this2.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);

                        if (updated) {
                          _this2.eventBus.dispatch('resize', {
                            source: _this2
                          });
                        }
                      });
                    } else {
                      _this2._updateWidth(_this2._width);
                    }
                  }
                }
              });
            }
          }, {
            key: "outerContainerWidth",
            get: function get() {
              if (!this._outerContainerWidth) {
                this._outerContainerWidth = this.outerContainer.clientWidth;
              }

              return this._outerContainerWidth;
            }
          }]);

          return PDFSidebarResizer;
        }();

    exports.PDFSidebarResizer = PDFSidebarResizer;

    /***/ }),
  /* 26 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFThumbnailViewer = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdf_thumbnail_view = __webpack_require__(27);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var THUMBNAIL_SCROLL_MARGIN = -19;
    var THUMBNAIL_SELECTED_CLASS = 'selected';

    var PDFThumbnailViewer =
        /*#__PURE__*/
        function () {
          function PDFThumbnailViewer(_ref) {
            var container = _ref.container,
                linkService = _ref.linkService,
                renderingQueue = _ref.renderingQueue,
                _ref$l10n = _ref.l10n,
                l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n;

            _classCallCheck(this, PDFThumbnailViewer);

            this.container = container;
            this.linkService = linkService;
            this.renderingQueue = renderingQueue;
            this.l10n = l10n;
            this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));

            this._resetView();
          }

          _createClass(PDFThumbnailViewer, [{
            key: "_scrollUpdated",
            value: function _scrollUpdated() {
              this.renderingQueue.renderHighestPriority();
            }
          }, {
            key: "getThumbnail",
            value: function getThumbnail(index) {
              return this._thumbnails[index];
            }
          }, {
            key: "_getVisibleThumbs",
            value: function _getVisibleThumbs() {
              return (0, _ui_utils.getVisibleElements)(this.container, this._thumbnails);
            }
          }, {
            key: "scrollThumbnailIntoView",
            value: function scrollThumbnailIntoView(pageNumber) {
              if (!this.pdfDocument) {
                return;
              }

              var thumbnailView = this._thumbnails[pageNumber - 1];

              if (!thumbnailView) {
                console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
                return;
              }

              if (pageNumber !== this._currentPageNumber) {
                var prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
                prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
                thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
              }

              var visibleThumbs = this._getVisibleThumbs();

              var numVisibleThumbs = visibleThumbs.views.length;

              if (numVisibleThumbs > 0) {
                var first = visibleThumbs.first.id;
                var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
                var shouldScroll = false;

                if (pageNumber <= first || pageNumber >= last) {
                  shouldScroll = true;
                } else {
                  visibleThumbs.views.some(function (view) {
                    if (view.id !== pageNumber) {
                      return false;
                    }

                    shouldScroll = view.percent < 100;
                    return true;
                  });
                }

                if (shouldScroll) {
                  (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
                    top: THUMBNAIL_SCROLL_MARGIN
                  });
                }
              }

              this._currentPageNumber = pageNumber;
            }
          }, {
            key: "cleanup",
            value: function cleanup() {
              _pdf_thumbnail_view.PDFThumbnailView.cleanup();
            }
          }, {
            key: "_resetView",
            value: function _resetView() {
              this._thumbnails = [];
              this._currentPageNumber = 1;
              this._pageLabels = null;
              this._pagesRotation = 0;
              this._pagesRequests = [];
              this.container.textContent = '';
            }
          }, {
            key: "setDocument",
            value: function setDocument(pdfDocument) {
              var _this = this;

              if (this.pdfDocument) {
                this._cancelRendering();

                this._resetView();
              }

              this.pdfDocument = pdfDocument;

              if (!pdfDocument) {
                return;
              }

              pdfDocument.getPage(1).then(function (firstPage) {
                var pagesCount = pdfDocument.numPages;
                var viewport = firstPage.getViewport({
                  scale: 1
                });

                for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                  var thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
                    container: _this.container,
                    id: pageNum,
                    defaultViewport: viewport.clone(),
                    linkService: _this.linkService,
                    renderingQueue: _this.renderingQueue,
                    disableCanvasToImageConversion: false,
                    l10n: _this.l10n
                  });

                  _this._thumbnails.push(thumbnail);
                }

                var thumbnailView = _this._thumbnails[_this._currentPageNumber - 1];
                thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
              }).catch(function (reason) {
                console.error('Unable to initialize thumbnail viewer', reason);
              });
            }
          }, {
            key: "_cancelRendering",
            value: function _cancelRendering() {
              for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                if (this._thumbnails[i]) {
                  this._thumbnails[i].cancelRendering();
                }
              }
            }
          }, {
            key: "setPageLabels",
            value: function setPageLabels(labels) {
              if (!this.pdfDocument) {
                return;
              }

              if (!labels) {
                this._pageLabels = null;
              } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
                this._pageLabels = null;
                console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
              } else {
                this._pageLabels = labels;
              }

              for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                var label = this._pageLabels && this._pageLabels[i];

                this._thumbnails[i].setPageLabel(label);
              }
            }
          }, {
            key: "_ensurePdfPageLoaded",
            value: function _ensurePdfPageLoaded(thumbView) {
              var _this2 = this;

              if (thumbView.pdfPage) {
                return Promise.resolve(thumbView.pdfPage);
              }

              var pageNumber = thumbView.id;

              if (this._pagesRequests[pageNumber]) {
                return this._pagesRequests[pageNumber];
              }

              var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                thumbView.setPdfPage(pdfPage);
                _this2._pagesRequests[pageNumber] = null;
                return pdfPage;
              }).catch(function (reason) {
                console.error('Unable to get page for thumb view', reason);
                _this2._pagesRequests[pageNumber] = null;
              });
              this._pagesRequests[pageNumber] = promise;
              return promise;
            }
          }, {
            key: "forceRendering",
            value: function forceRendering() {
              var _this3 = this;

              var visibleThumbs = this._getVisibleThumbs();

              var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);

              if (thumbView) {
                this._ensurePdfPageLoaded(thumbView).then(function () {
                  _this3.renderingQueue.renderView(thumbView);
                });

                return true;
              }

              return false;
            }
          }, {
            key: "pagesRotation",
            get: function get() {
              return this._pagesRotation;
            },
            set: function set(rotation) {
              if (!(0, _ui_utils.isValidRotation)(rotation)) {
                throw new Error('Invalid thumbnails rotation angle.');
              }

              if (!this.pdfDocument) {
                return;
              }

              if (this._pagesRotation === rotation) {
                return;
              }

              this._pagesRotation = rotation;

              for (var i = 0, ii = this._thumbnails.length; i < ii; i++) {
                this._thumbnails[i].update(rotation);
              }
            }
          }]);

          return PDFThumbnailViewer;
        }();

    exports.PDFThumbnailViewer = PDFThumbnailViewer;

    /***/ }),
  /* 27 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFThumbnailView = void 0;

    var _pdfjsLib = __webpack_require__(7);

    var _ui_utils = __webpack_require__(6);

    var _pdf_rendering_queue = __webpack_require__(10);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var MAX_NUM_SCALING_STEPS = 3;
    var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
    var THUMBNAIL_WIDTH = 98;

    var TempImageFactory = function TempImageFactoryClosure() {
      var tempCanvasCache = null;
      return {
        getCanvas: function getCanvas(width, height) {
          var tempCanvas = tempCanvasCache;

          if (!tempCanvas) {
            tempCanvas = document.createElement('canvas');
            tempCanvasCache = tempCanvas;
          }

          tempCanvas.width = width;
          tempCanvas.height = height;
          tempCanvas.mozOpaque = true;
          var ctx = tempCanvas.getContext('2d', {
            alpha: false
          });
          ctx.save();
          ctx.fillStyle = 'rgb(255, 255, 255)';
          ctx.fillRect(0, 0, width, height);
          ctx.restore();
          return tempCanvas;
        },
        destroyCanvas: function destroyCanvas() {
          var tempCanvas = tempCanvasCache;

          if (tempCanvas) {
            tempCanvas.width = 0;
            tempCanvas.height = 0;
          }

          tempCanvasCache = null;
        }
      };
    }();

    var PDFThumbnailView =
        /*#__PURE__*/
        function () {
          function PDFThumbnailView(_ref) {
            var container = _ref.container,
                id = _ref.id,
                defaultViewport = _ref.defaultViewport,
                linkService = _ref.linkService,
                renderingQueue = _ref.renderingQueue,
                _ref$disableCanvasToI = _ref.disableCanvasToImageConversion,
                disableCanvasToImageConversion = _ref$disableCanvasToI === void 0 ? false : _ref$disableCanvasToI,
                _ref$l10n = _ref.l10n,
                l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n;

            _classCallCheck(this, PDFThumbnailView);

            this.id = id;
            this.renderingId = 'thumbnail' + id;
            this.pageLabel = null;
            this.pdfPage = null;
            this.rotation = 0;
            this.viewport = defaultViewport;
            this.pdfPageRotate = defaultViewport.rotation;
            this.linkService = linkService;
            this.renderingQueue = renderingQueue;
            this.renderTask = null;
            this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
            this.resume = null;
            this.disableCanvasToImageConversion = disableCanvasToImageConversion;
            this.pageWidth = this.viewport.width;
            this.pageHeight = this.viewport.height;
            this.pageRatio = this.pageWidth / this.pageHeight;
            this.canvasWidth = THUMBNAIL_WIDTH;
            this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
            this.scale = this.canvasWidth / this.pageWidth;
            this.l10n = l10n;
            var anchor = document.createElement('a');
            anchor.href = linkService.getAnchorUrl('#page=' + id);
            this.l10n.get('thumb_page_title', {
              page: id
            }, 'Page {{page}}').then(function (msg) {
              anchor.title = msg;
            });

            anchor.onclick = function () {
              linkService.page = id;
              return false;
            };

            this.anchor = anchor;
            var div = document.createElement('div');
            div.className = 'thumbnail';
            div.setAttribute('data-page-number', this.id);
            this.div = div;
            var ring = document.createElement('div');
            ring.className = 'thumbnailSelectionRing';
            var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
            ring.style.width = this.canvasWidth + borderAdjustment + 'px';
            ring.style.height = this.canvasHeight + borderAdjustment + 'px';
            this.ring = ring;
            div.appendChild(ring);
            anchor.appendChild(div);
            container.appendChild(anchor);
          }

          _createClass(PDFThumbnailView, [{
            key: "setPdfPage",
            value: function setPdfPage(pdfPage) {
              this.pdfPage = pdfPage;
              this.pdfPageRotate = pdfPage.rotate;
              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = pdfPage.getViewport({
                scale: 1,
                rotation: totalRotation
              });
              this.reset();
            }
          }, {
            key: "reset",
            value: function reset() {
              this.cancelRendering();
              this.pageWidth = this.viewport.width;
              this.pageHeight = this.viewport.height;
              this.pageRatio = this.pageWidth / this.pageHeight;
              this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
              this.scale = this.canvasWidth / this.pageWidth;
              this.div.removeAttribute('data-loaded');
              var ring = this.ring;
              var childNodes = ring.childNodes;

              for (var i = childNodes.length - 1; i >= 0; i--) {
                ring.removeChild(childNodes[i]);
              }

              var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
              ring.style.width = this.canvasWidth + borderAdjustment + 'px';
              ring.style.height = this.canvasHeight + borderAdjustment + 'px';

              if (this.canvas) {
                this.canvas.width = 0;
                this.canvas.height = 0;
                delete this.canvas;
              }

              if (this.image) {
                this.image.removeAttribute('src');
                delete this.image;
              }
            }
          }, {
            key: "update",
            value: function update(rotation) {
              if (typeof rotation !== 'undefined') {
                this.rotation = rotation;
              }

              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = this.viewport.clone({
                scale: 1,
                rotation: totalRotation
              });
              this.reset();
            }
          }, {
            key: "cancelRendering",
            value: function cancelRendering() {
              if (this.renderTask) {
                this.renderTask.cancel();
                this.renderTask = null;
              }

              this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
              this.resume = null;
            }
          }, {
            key: "_getPageDrawContext",
            value: function _getPageDrawContext() {
              var noCtxScale = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              var canvas = document.createElement('canvas');
              this.canvas = canvas;
              canvas.mozOpaque = true;
              var ctx = canvas.getContext('2d', {
                alpha: false
              });
              var outputScale = (0, _ui_utils.getOutputScale)(ctx);
              canvas.width = this.canvasWidth * outputScale.sx | 0;
              canvas.height = this.canvasHeight * outputScale.sy | 0;
              canvas.style.width = this.canvasWidth + 'px';
              canvas.style.height = this.canvasHeight + 'px';

              if (!noCtxScale && outputScale.scaled) {
                ctx.scale(outputScale.sx, outputScale.sy);
              }

              return ctx;
            }
          }, {
            key: "_convertCanvasToImage",
            value: function _convertCanvasToImage() {
              var _this = this;

              if (!this.canvas) {
                return;
              }

              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                return;
              }

              var id = this.renderingId;
              var className = 'thumbnailImage';

              if (this.disableCanvasToImageConversion) {
                this.canvas.id = id;
                this.canvas.className = className;
                this.l10n.get('thumb_page_canvas', {
                  page: this.pageId
                }, 'Thumbnail of Page {{page}}').then(function (msg) {
                  _this.canvas.setAttribute('aria-label', msg);
                });
                this.div.setAttribute('data-loaded', true);
                this.ring.appendChild(this.canvas);
                return;
              }

              var image = document.createElement('img');
              image.id = id;
              image.className = className;
              this.l10n.get('thumb_page_canvas', {
                page: this.pageId
              }, 'Thumbnail of Page {{page}}').then(function (msg) {
                image.setAttribute('aria-label', msg);
              });
              image.style.width = this.canvasWidth + 'px';
              image.style.height = this.canvasHeight + 'px';
              image.src = this.canvas.toDataURL();
              this.image = image;
              this.div.setAttribute('data-loaded', true);
              this.ring.appendChild(image);
              this.canvas.width = 0;
              this.canvas.height = 0;
              delete this.canvas;
            }
          }, {
            key: "draw",
            value: function draw() {
              var _this2 = this;

              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                console.error('Must be in new state before drawing');
                return Promise.resolve(undefined);
              }

              this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
              var renderCapability = (0, _pdfjsLib.createPromiseCapability)();

              var finishRenderTask = function finishRenderTask(error) {
                if (renderTask === _this2.renderTask) {
                  _this2.renderTask = null;
                }

                if (error instanceof _pdfjsLib.RenderingCancelledException) {
                  renderCapability.resolve(undefined);
                  return;
                }

                _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;

                _this2._convertCanvasToImage();

                if (!error) {
                  renderCapability.resolve(undefined);
                } else {
                  renderCapability.reject(error);
                }
              };

              var ctx = this._getPageDrawContext();

              var drawViewport = this.viewport.clone({
                scale: this.scale
              });

              var renderContinueCallback = function renderContinueCallback(cont) {
                if (!_this2.renderingQueue.isHighestPriority(_this2)) {
                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;

                  _this2.resume = function () {
                    _this2.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                    cont();
                  };

                  return;
                }

                cont();
              };

              var renderContext = {
                canvasContext: ctx,
                viewport: drawViewport
              };
              var renderTask = this.renderTask = this.pdfPage.render(renderContext);
              renderTask.onContinue = renderContinueCallback;
              renderTask.promise.then(function () {
                finishRenderTask(null);
              }, function (error) {
                finishRenderTask(error);
              });
              return renderCapability.promise;
            }
          }, {
            key: "setImage",
            value: function setImage(pageView) {
              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                return;
              }

              var img = pageView.canvas;

              if (!img) {
                return;
              }

              if (!this.pdfPage) {
                this.setPdfPage(pageView.pdfPage);
              }

              this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;

              var ctx = this._getPageDrawContext(true);

              var canvas = ctx.canvas;

              if (img.width <= 2 * canvas.width) {
                ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);

                this._convertCanvasToImage();

                return;
              }

              var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
              var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
              var reducedImage = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
              var reducedImageCtx = reducedImage.getContext('2d');

              while (reducedWidth > img.width || reducedHeight > img.height) {
                reducedWidth >>= 1;
                reducedHeight >>= 1;
              }

              reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);

              while (reducedWidth > 2 * canvas.width) {
                reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
                reducedWidth >>= 1;
                reducedHeight >>= 1;
              }

              ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);

              this._convertCanvasToImage();
            }
          }, {
            key: "setPageLabel",
            value: function setPageLabel(label) {
              var _this3 = this;

              this.pageLabel = typeof label === 'string' ? label : null;
              this.l10n.get('thumb_page_title', {
                page: this.pageId
              }, 'Page {{page}}').then(function (msg) {
                _this3.anchor.title = msg;
              });

              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                return;
              }

              this.l10n.get('thumb_page_canvas', {
                page: this.pageId
              }, 'Thumbnail of Page {{page}}').then(function (ariaLabel) {
                if (_this3.image) {
                  _this3.image.setAttribute('aria-label', ariaLabel);
                } else if (_this3.disableCanvasToImageConversion && _this3.canvas) {
                  _this3.canvas.setAttribute('aria-label', ariaLabel);
                }
              });
            }
          }, {
            key: "pageId",
            get: function get() {
              return this.pageLabel !== null ? this.pageLabel : this.id;
            }
          }], [{
            key: "cleanup",
            value: function cleanup() {
              TempImageFactory.destroyCanvas();
            }
          }]);

          return PDFThumbnailView;
        }();

    exports.PDFThumbnailView = PDFThumbnailView;

    /***/ }),
  /* 28 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFViewer = void 0;

    var _base_viewer = __webpack_require__(29);

    var _pdfjsLib = __webpack_require__(7);

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

    function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

    function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }

    function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }

    function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

    function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

    var PDFViewer =
        /*#__PURE__*/
        function (_BaseViewer) {
          _inherits(PDFViewer, _BaseViewer);

          function PDFViewer() {
            _classCallCheck(this, PDFViewer);

            return _possibleConstructorReturn(this, _getPrototypeOf(PDFViewer).apply(this, arguments));
          }

          _createClass(PDFViewer, [{
            key: "_scrollIntoView",
            value: function _scrollIntoView(_ref) {
              var pageDiv = _ref.pageDiv,
                  _ref$pageSpot = _ref.pageSpot,
                  pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
                  _ref$pageNumber = _ref.pageNumber,
                  pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;

              if (!pageSpot && !this.isInPresentationMode) {
                var left = pageDiv.offsetLeft + pageDiv.clientLeft;
                var right = left + pageDiv.clientWidth;
                var _this$container = this.container,
                    scrollLeft = _this$container.scrollLeft,
                    clientWidth = _this$container.clientWidth;

                if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
                  pageSpot = {
                    left: 0,
                    top: 0
                  };
                }
              }

              _get(_getPrototypeOf(PDFViewer.prototype), "_scrollIntoView", this).call(this, {
                pageDiv: pageDiv,
                pageSpot: pageSpot,
                pageNumber: pageNumber
              });
            }
          }, {
            key: "_getVisiblePages",
            value: function _getVisiblePages() {
              if (this.isInPresentationMode) {
                return this._getCurrentVisiblePage();
              }

              return _get(_getPrototypeOf(PDFViewer.prototype), "_getVisiblePages", this).call(this);
            }
          }, {
            key: "_updateHelper",
            value: function _updateHelper(visiblePages) {
              if (this.isInPresentationMode) {
                return;
              }

              var currentId = this._currentPageNumber;
              var stillFullyVisible = false;
              var _iteratorNormalCompletion = true;
              var _didIteratorError = false;
              var _iteratorError = undefined;

              try {
                for (var _iterator = visiblePages[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
                  var page = _step.value;

                  if (page.percent < 100) {
                    break;
                  }

                  if (page.id === currentId) {
                    stillFullyVisible = true;
                    break;
                  }
                }
              } catch (err) {
                _didIteratorError = true;
                _iteratorError = err;
              } finally {
                try {
                  if (!_iteratorNormalCompletion && _iterator.return != null) {
                    _iterator.return();
                  }
                } finally {
                  if (_didIteratorError) {
                    throw _iteratorError;
                  }
                }
              }

              if (!stillFullyVisible) {
                currentId = visiblePages[0].id;
              }

              this._setCurrentPageNumber(currentId);
            }
          }, {
            key: "_setDocumentViewerElement",
            get: function get() {
              return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this.viewer);
            }
          }]);

          return PDFViewer;
        }(_base_viewer.BaseViewer);

    exports.PDFViewer = PDFViewer;

    /***/ }),
  /* 29 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.BaseViewer = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdf_rendering_queue = __webpack_require__(10);

    var _annotation_layer_builder = __webpack_require__(30);

    var _pdfjsLib = __webpack_require__(7);

    var _pdf_page_view = __webpack_require__(31);

    var _pdf_link_service = __webpack_require__(22);

    var _text_layer_builder = __webpack_require__(32);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var DEFAULT_CACHE_SIZE = 10;

    function PDFPageViewBuffer(size) {
      var data = [];

      this.push = function (view) {
        var i = data.indexOf(view);

        if (i >= 0) {
          data.splice(i, 1);
        }

        data.push(view);

        if (data.length > size) {
          data.shift().destroy();
        }
      };

      this.resize = function (newSize, pagesToKeep) {
        size = newSize;

        if (pagesToKeep) {
          var pageIdsToKeep = new Set();

          for (var i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
            pageIdsToKeep.add(pagesToKeep[i].id);
          }

          (0, _ui_utils.moveToEndOfArray)(data, function (page) {
            return pageIdsToKeep.has(page.id);
          });
        }

        while (data.length > size) {
          data.shift().destroy();
        }
      };
    }

    function isSameScale(oldScale, newScale) {
      if (newScale === oldScale) {
        return true;
      }

      if (Math.abs(newScale - oldScale) < 1e-15) {
        return true;
      }

      return false;
    }

    var BaseViewer =
        /*#__PURE__*/
        function () {
          function BaseViewer(options) {
            var _this = this;

            _classCallCheck(this, BaseViewer);

            if (this.constructor === BaseViewer) {
              throw new Error('Cannot initialize BaseViewer.');
            }

            this._name = this.constructor.name;
            this.container = options.container;
            this.viewer = options.viewer || options.container.firstElementChild;
            this.eventBus = options.eventBus || (0, _ui_utils.getGlobalEventBus)();
            this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
            this.downloadManager = options.downloadManager || null;
            this.findController = options.findController || null;
            this.removePageBorders = options.removePageBorders || false;
            this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
            this.imageResourcesPath = options.imageResourcesPath || '';
            this.renderInteractiveForms = options.renderInteractiveForms || false;
            this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
            this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
            this.enableWebGL = options.enableWebGL || false;
            this.useOnlyCssZoom = options.useOnlyCssZoom || false;
            this.maxCanvasPixels = options.maxCanvasPixels;
            this.l10n = options.l10n || _ui_utils.NullL10n;
            this.defaultRenderingQueue = !options.renderingQueue;

            if (this.defaultRenderingQueue) {
              this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
              this.renderingQueue.setViewer(this);
            } else {
              this.renderingQueue = options.renderingQueue;
            }

            this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
            this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;

            this._resetView();

            if (this.removePageBorders) {
              this.viewer.classList.add('removePageBorders');
            }

            Promise.resolve().then(function () {
              _this.eventBus.dispatch('baseviewerinit', {
                source: _this
              });
            });
          }

          _createClass(BaseViewer, [{
            key: "getPageView",
            value: function getPageView(index) {
              return this._pages[index];
            }
          }, {
            key: "_setCurrentPageNumber",
            value: function _setCurrentPageNumber(val) {
              var resetCurrentPageView = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

              if (this._currentPageNumber === val) {
                if (resetCurrentPageView) {
                  this._resetCurrentPageView();
                }

                return true;
              }

              if (!(0 < val && val <= this.pagesCount)) {
                return false;
              }

              this._currentPageNumber = val;
              this.eventBus.dispatch('pagechanging', {
                source: this,
                pageNumber: val,
                pageLabel: this._pageLabels && this._pageLabels[val - 1]
              });

              if (resetCurrentPageView) {
                this._resetCurrentPageView();
              }

              return true;
            }
          }, {
            key: "setDocument",
            value: function setDocument(pdfDocument) {
              var _this2 = this;

              if (this.pdfDocument) {
                this._cancelRendering();

                this._resetView();

                if (this.findController) {
                  this.findController.setDocument(null);
                }
              }

              this.pdfDocument = pdfDocument;

              if (!pdfDocument) {
                return;
              }

              var pagesCount = pdfDocument.numPages;
              var pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
              this.pagesPromise = pagesCapability.promise;
              pagesCapability.promise.then(function () {
                _this2._pageViewsReady = true;

                _this2.eventBus.dispatch('pagesloaded', {
                  source: _this2,
                  pagesCount: pagesCount
                });
              });
              var onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
              this.onePageRendered = onePageRenderedCapability.promise;

              var bindOnAfterAndBeforeDraw = function bindOnAfterAndBeforeDraw(pageView) {
                pageView.onBeforeDraw = function () {
                  _this2._buffer.push(pageView);
                };

                pageView.onAfterDraw = function () {
                  if (!onePageRenderedCapability.settled) {
                    onePageRenderedCapability.resolve();
                  }
                };
              };

              var firstPagePromise = pdfDocument.getPage(1);
              this.firstPagePromise = firstPagePromise;
              firstPagePromise.then(function (pdfPage) {
                var scale = _this2.currentScale;
                var viewport = pdfPage.getViewport({
                  scale: scale * _ui_utils.CSS_UNITS
                });

                for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
                  var textLayerFactory = null;

                  if (_this2.textLayerMode !== _ui_utils.TextLayerMode.DISABLE) {
                    textLayerFactory = _this2;
                  }

                  var pageView = new _pdf_page_view.PDFPageView({
                    container: _this2._setDocumentViewerElement,
                    eventBus: _this2.eventBus,
                    id: pageNum,
                    scale: scale,
                    defaultViewport: viewport.clone(),
                    renderingQueue: _this2.renderingQueue,
                    textLayerFactory: textLayerFactory,
                    textLayerMode: _this2.textLayerMode,
                    annotationLayerFactory: _this2,
                    imageResourcesPath: _this2.imageResourcesPath,
                    renderInteractiveForms: _this2.renderInteractiveForms,
                    renderer: _this2.renderer,
                    enableWebGL: _this2.enableWebGL,
                    useOnlyCssZoom: _this2.useOnlyCssZoom,
                    maxCanvasPixels: _this2.maxCanvasPixels,
                    l10n: _this2.l10n
                  });
                  bindOnAfterAndBeforeDraw(pageView);

                  _this2._pages.push(pageView);
                }

                if (_this2._spreadMode !== _ui_utils.SpreadMode.NONE) {
                  _this2._updateSpreadMode();
                }

                onePageRenderedCapability.promise.then(function () {
                  if (pdfDocument.loadingParams['disableAutoFetch']) {
                    pagesCapability.resolve();
                    return;
                  }

                  var getPagesLeft = pagesCount;

                  var _loop = function _loop(_pageNum) {
                    pdfDocument.getPage(_pageNum).then(function (pdfPage) {
                      var pageView = _this2._pages[_pageNum - 1];

                      if (!pageView.pdfPage) {
                        pageView.setPdfPage(pdfPage);
                      }

                      _this2.linkService.cachePageRef(_pageNum, pdfPage.ref);

                      if (--getPagesLeft === 0) {
                        pagesCapability.resolve();
                      }
                    }, function (reason) {
                      console.error("Unable to get page ".concat(_pageNum, " to initialize viewer"), reason);

                      if (--getPagesLeft === 0) {
                        pagesCapability.resolve();
                      }
                    });
                  };

                  for (var _pageNum = 1; _pageNum <= pagesCount; ++_pageNum) {
                    _loop(_pageNum);
                  }
                });

                _this2.eventBus.dispatch('pagesinit', {
                  source: _this2
                });

                if (_this2.findController) {
                  _this2.findController.setDocument(pdfDocument);
                }

                if (_this2.defaultRenderingQueue) {
                  _this2.update();
                }
              }).catch(function (reason) {
                console.error('Unable to initialize viewer', reason);
              });
            }
          }, {
            key: "setPageLabels",
            value: function setPageLabels(labels) {
              if (!this.pdfDocument) {
                return;
              }

              if (!labels) {
                this._pageLabels = null;
              } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
                this._pageLabels = null;
                console.error("".concat(this._name, ".setPageLabels: Invalid page labels."));
              } else {
                this._pageLabels = labels;
              }

              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                var pageView = this._pages[i];
                var label = this._pageLabels && this._pageLabels[i];
                pageView.setPageLabel(label);
              }
            }
          }, {
            key: "_resetView",
            value: function _resetView() {
              this._pages = [];
              this._currentPageNumber = 1;
              this._currentScale = _ui_utils.UNKNOWN_SCALE;
              this._currentScaleValue = null;
              this._pageLabels = null;
              this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
              this._location = null;
              this._pagesRotation = 0;
              this._pagesRequests = [];
              this._pageViewsReady = false;
              this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
              this._spreadMode = _ui_utils.SpreadMode.NONE;
              this.viewer.textContent = '';

              this._updateScrollMode();
            }
          }, {
            key: "_scrollUpdate",
            value: function _scrollUpdate() {
              if (this.pagesCount === 0) {
                return;
              }

              this.update();
            }
          }, {
            key: "_scrollIntoView",
            value: function _scrollIntoView(_ref) {
              var pageDiv = _ref.pageDiv,
                  _ref$pageSpot = _ref.pageSpot,
                  pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
                  _ref$pageNumber = _ref.pageNumber,
                  pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;
              (0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
            }
          }, {
            key: "_setScaleUpdatePages",
            value: function _setScaleUpdatePages(newScale, newValue) {
              var noScroll = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
              var preset = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              this._currentScaleValue = newValue.toString();

              if (isSameScale(this._currentScale, newScale)) {
                if (preset) {
                  this.eventBus.dispatch('scalechanging', {
                    source: this,
                    scale: newScale,
                    presetValue: newValue
                  });
                }

                return;
              }

              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                this._pages[i].update(newScale);
              }

              this._currentScale = newScale;

              if (!noScroll) {
                var page = this._currentPageNumber,
                    dest;

                if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
                  page = this._location.pageNumber;
                  dest = [null, {
                    name: 'XYZ'
                  }, this._location.left, this._location.top, null];
                }

                this.scrollPageIntoView({
                  pageNumber: page,
                  destArray: dest,
                  allowNegativeOffset: true
                });
              }

              this.eventBus.dispatch('scalechanging', {
                source: this,
                scale: newScale,
                presetValue: preset ? newValue : undefined
              });

              if (this.defaultRenderingQueue) {
                this.update();
              }
            }
          }, {
            key: "_setScale",
            value: function _setScale(value) {
              var noScroll = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
              var scale = parseFloat(value);

              if (scale > 0) {
                this._setScaleUpdatePages(scale, value, noScroll, false);
              } else {
                var currentPage = this._pages[this._currentPageNumber - 1];

                if (!currentPage) {
                  return;
                }

                var noPadding = this.isInPresentationMode || this.removePageBorders;
                var hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
                var vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;

                if (!noPadding && this._isScrollModeHorizontal) {
                  var _ref2 = [vPadding, hPadding];
                  hPadding = _ref2[0];
                  vPadding = _ref2[1];
                }

                var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
                var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;

                switch (value) {
                  case 'page-actual':
                    scale = 1;
                    break;

                  case 'page-width':
                    scale = pageWidthScale;
                    break;

                  case 'page-height':
                    scale = pageHeightScale;
                    break;

                  case 'page-fit':
                    scale = Math.min(pageWidthScale, pageHeightScale);
                    break;

                  case 'auto':
                    var horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
                    scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
                    break;

                  default:
                    console.error("".concat(this._name, "._setScale: \"").concat(value, "\" is an unknown zoom value."));
                    return;
                }

                this._setScaleUpdatePages(scale, value, noScroll, true);
              }
            }
          }, {
            key: "_resetCurrentPageView",
            value: function _resetCurrentPageView() {
              if (this.isInPresentationMode) {
                this._setScale(this._currentScaleValue, true);
              }

              var pageView = this._pages[this._currentPageNumber - 1];

              this._scrollIntoView({
                pageDiv: pageView.div
              });
            }
          }, {
            key: "scrollPageIntoView",
            value: function scrollPageIntoView(_ref3) {
              var pageNumber = _ref3.pageNumber,
                  _ref3$destArray = _ref3.destArray,
                  destArray = _ref3$destArray === void 0 ? null : _ref3$destArray,
                  _ref3$allowNegativeOf = _ref3.allowNegativeOffset,
                  allowNegativeOffset = _ref3$allowNegativeOf === void 0 ? false : _ref3$allowNegativeOf;

              if (!this.pdfDocument) {
                return;
              }

              var pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];

              if (!pageView) {
                console.error("".concat(this._name, ".scrollPageIntoView: ") + "\"".concat(pageNumber, "\" is not a valid pageNumber parameter."));
                return;
              }

              if (this.isInPresentationMode || !destArray) {
                this._setCurrentPageNumber(pageNumber, true);

                return;
              }

              var x = 0,
                  y = 0;
              var width = 0,
                  height = 0,
                  widthScale,
                  heightScale;
              var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
              var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
              var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
              var scale = 0;

              switch (destArray[1].name) {
                case 'XYZ':
                  x = destArray[2];
                  y = destArray[3];
                  scale = destArray[4];
                  x = x !== null ? x : 0;
                  y = y !== null ? y : pageHeight;
                  break;

                case 'Fit':
                case 'FitB':
                  scale = 'page-fit';
                  break;

                case 'FitH':
                case 'FitBH':
                  y = destArray[2];
                  scale = 'page-width';

                  if (y === null && this._location) {
                    x = this._location.left;
                    y = this._location.top;
                  }

                  break;

                case 'FitV':
                case 'FitBV':
                  x = destArray[2];
                  width = pageWidth;
                  height = pageHeight;
                  scale = 'page-height';
                  break;

                case 'FitR':
                  x = destArray[2];
                  y = destArray[3];
                  width = destArray[4] - x;
                  height = destArray[5] - y;
                  var hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
                  var vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
                  widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
                  heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
                  scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
                  break;

                default:
                  console.error("".concat(this._name, ".scrollPageIntoView: ") + "\"".concat(destArray[1].name, "\" is not a valid destination type."));
                  return;
              }

              if (scale && scale !== this._currentScale) {
                this.currentScaleValue = scale;
              } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
                this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
              }

              if (scale === 'page-fit' && !destArray[4]) {
                this._scrollIntoView({
                  pageDiv: pageView.div,
                  pageNumber: pageNumber
                });

                return;
              }

              var boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
              var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
              var top = Math.min(boundingRect[0][1], boundingRect[1][1]);

              if (!allowNegativeOffset) {
                left = Math.max(left, 0);
                top = Math.max(top, 0);
              }

              this._scrollIntoView({
                pageDiv: pageView.div,
                pageSpot: {
                  left: left,
                  top: top
                },
                pageNumber: pageNumber
              });
            }
          }, {
            key: "_updateLocation",
            value: function _updateLocation(firstPage) {
              var currentScale = this._currentScale;
              var currentScaleValue = this._currentScaleValue;
              var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
              var pageNumber = firstPage.id;
              var pdfOpenParams = '#page=' + pageNumber;
              pdfOpenParams += '&zoom=' + normalizedScaleValue;
              var currentPageView = this._pages[pageNumber - 1];
              var container = this.container;
              var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
              var intLeft = Math.round(topLeft[0]);
              var intTop = Math.round(topLeft[1]);
              pdfOpenParams += ',' + intLeft + ',' + intTop;
              this._location = {
                pageNumber: pageNumber,
                scale: normalizedScaleValue,
                top: intTop,
                left: intLeft,
                rotation: this._pagesRotation,
                pdfOpenParams: pdfOpenParams
              };
            }
          }, {
            key: "_updateHelper",
            value: function _updateHelper(visiblePages) {
              throw new Error('Not implemented: _updateHelper');
            }
          }, {
            key: "update",
            value: function update() {
              var visible = this._getVisiblePages();

              var visiblePages = visible.views,
                  numVisiblePages = visiblePages.length;

              if (numVisiblePages === 0) {
                return;
              }

              var newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);

              this._buffer.resize(newCacheSize, visiblePages);

              this.renderingQueue.renderHighestPriority(visible);

              this._updateHelper(visiblePages);

              this._updateLocation(visible.first);

              this.eventBus.dispatch('updateviewarea', {
                source: this,
                location: this._location
              });
            }
          }, {
            key: "containsElement",
            value: function containsElement(element) {
              return this.container.contains(element);
            }
          }, {
            key: "focus",
            value: function focus() {
              this.container.focus();
            }
          }, {
            key: "_getCurrentVisiblePage",
            value: function _getCurrentVisiblePage() {
              if (!this.pagesCount) {
                return {
                  views: []
                };
              }

              var pageView = this._pages[this._currentPageNumber - 1];
              var element = pageView.div;
              var view = {
                id: pageView.id,
                x: element.offsetLeft + element.clientLeft,
                y: element.offsetTop + element.clientTop,
                view: pageView
              };
              return {
                first: view,
                last: view,
                views: [view]
              };
            }
          }, {
            key: "_getVisiblePages",
            value: function _getVisiblePages() {
              return (0, _ui_utils.getVisibleElements)(this.container, this._pages, true, this._isScrollModeHorizontal);
            }
          }, {
            key: "isPageVisible",
            value: function isPageVisible(pageNumber) {
              if (!this.pdfDocument) {
                return false;
              }

              if (this.pageNumber < 1 || pageNumber > this.pagesCount) {
                console.error("".concat(this._name, ".isPageVisible: \"").concat(pageNumber, "\" is out of bounds."));
                return false;
              }

              return this._getVisiblePages().views.some(function (view) {
                return view.id === pageNumber;
              });
            }
          }, {
            key: "cleanup",
            value: function cleanup() {
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
                  this._pages[i].reset();
                }
              }
            }
          }, {
            key: "_cancelRendering",
            value: function _cancelRendering() {
              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                if (this._pages[i]) {
                  this._pages[i].cancelRendering();
                }
              }
            }
          }, {
            key: "_ensurePdfPageLoaded",
            value: function _ensurePdfPageLoaded(pageView) {
              var _this3 = this;

              if (pageView.pdfPage) {
                return Promise.resolve(pageView.pdfPage);
              }

              var pageNumber = pageView.id;

              if (this._pagesRequests[pageNumber]) {
                return this._pagesRequests[pageNumber];
              }

              var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
                if (!pageView.pdfPage) {
                  pageView.setPdfPage(pdfPage);
                }

                _this3._pagesRequests[pageNumber] = null;
                return pdfPage;
              }).catch(function (reason) {
                console.error('Unable to get page for page view', reason);
                _this3._pagesRequests[pageNumber] = null;
              });
              this._pagesRequests[pageNumber] = promise;
              return promise;
            }
          }, {
            key: "forceRendering",
            value: function forceRendering(currentlyVisiblePages) {
              var _this4 = this;

              var visiblePages = currentlyVisiblePages || this._getVisiblePages();

              var scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
              var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);

              if (pageView) {
                this._ensurePdfPageLoaded(pageView).then(function () {
                  _this4.renderingQueue.renderView(pageView);
                });

                return true;
              }

              return false;
            }
          }, {
            key: "createTextLayerBuilder",
            value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
              var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              return new _text_layer_builder.TextLayerBuilder({
                textLayerDiv: textLayerDiv,
                eventBus: this.eventBus,
                pageIndex: pageIndex,
                viewport: viewport,
                findController: this.isInPresentationMode ? null : this.findController,
                enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
              });
            }
          }, {
            key: "createAnnotationLayerBuilder",
            value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
              var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
              var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;
              return new _annotation_layer_builder.AnnotationLayerBuilder({
                pageDiv: pageDiv,
                pdfPage: pdfPage,
                imageResourcesPath: imageResourcesPath,
                renderInteractiveForms: renderInteractiveForms,
                linkService: this.linkService,
                downloadManager: this.downloadManager,
                l10n: l10n
              });
            }
          }, {
            key: "getPagesOverview",
            value: function getPagesOverview() {
              var pagesOverview = this._pages.map(function (pageView) {
                var viewport = pageView.pdfPage.getViewport({
                  scale: 1
                });
                return {
                  width: viewport.width,
                  height: viewport.height,
                  rotation: viewport.rotation
                };
              });

              if (!this.enablePrintAutoRotate) {
                return pagesOverview;
              }

              var isFirstPagePortrait = (0, _ui_utils.isPortraitOrientation)(pagesOverview[0]);
              return pagesOverview.map(function (size) {
                if (isFirstPagePortrait === (0, _ui_utils.isPortraitOrientation)(size)) {
                  return size;
                }

                return {
                  width: size.height,
                  height: size.width,
                  rotation: (size.rotation + 90) % 360
                };
              });
            }
          }, {
            key: "_updateScrollMode",
            value: function _updateScrollMode() {
              var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
              var scrollMode = this._scrollMode,
                  viewer = this.viewer;
              viewer.classList.toggle('scrollHorizontal', scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
              viewer.classList.toggle('scrollWrapped', scrollMode === _ui_utils.ScrollMode.WRAPPED);

              if (!this.pdfDocument || !pageNumber) {
                return;
              }

              if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
                this._setScale(this._currentScaleValue, true);
              }

              this._setCurrentPageNumber(pageNumber, true);

              this.update();
            }
          }, {
            key: "_updateSpreadMode",
            value: function _updateSpreadMode() {
              var pageNumber = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;

              if (!this.pdfDocument) {
                return;
              }

              var viewer = this.viewer,
                  pages = this._pages;
              viewer.textContent = '';

              if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
                for (var i = 0, iMax = pages.length; i < iMax; ++i) {
                  viewer.appendChild(pages[i].div);
                }
              } else {
                var parity = this._spreadMode - 1;
                var spread = null;

                for (var _i = 0, _iMax = pages.length; _i < _iMax; ++_i) {
                  if (spread === null) {
                    spread = document.createElement('div');
                    spread.className = 'spread';
                    viewer.appendChild(spread);
                  } else if (_i % 2 === parity) {
                    spread = spread.cloneNode(false);
                    viewer.appendChild(spread);
                  }

                  spread.appendChild(pages[_i].div);
                }
              }

              if (!pageNumber) {
                return;
              }

              this._setCurrentPageNumber(pageNumber, true);

              this.update();
            }
          }, {
            key: "pagesCount",
            get: function get() {
              return this._pages.length;
            }
          }, {
            key: "pageViewsReady",
            get: function get() {
              return this._pageViewsReady;
            }
          }, {
            key: "currentPageNumber",
            get: function get() {
              return this._currentPageNumber;
            },
            set: function set(val) {
              if (!Number.isInteger(val)) {
                throw new Error('Invalid page number.');
              }

              if (!this.pdfDocument) {
                return;
              }

              if (!this._setCurrentPageNumber(val, true)) {
                console.error("".concat(this._name, ".currentPageNumber: \"").concat(val, "\" is not a valid page."));
              }
            }
          }, {
            key: "currentPageLabel",
            get: function get() {
              return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
            },
            set: function set(val) {
              if (!this.pdfDocument) {
                return;
              }

              var page = val | 0;

              if (this._pageLabels) {
                var i = this._pageLabels.indexOf(val);

                if (i >= 0) {
                  page = i + 1;
                }
              }

              if (!this._setCurrentPageNumber(page, true)) {
                console.error("".concat(this._name, ".currentPageLabel: \"").concat(val, "\" is not a valid page."));
              }
            }
          }, {
            key: "currentScale",
            get: function get() {
              return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
            },
            set: function set(val) {
              if (isNaN(val)) {
                throw new Error('Invalid numeric scale.');
              }

              if (!this.pdfDocument) {
                return;
              }

              this._setScale(val, false);
            }
          }, {
            key: "currentScaleValue",
            get: function get() {
              return this._currentScaleValue;
            },
            set: function set(val) {
              if (!this.pdfDocument) {
                return;
              }

              this._setScale(val, false);
            }
          }, {
            key: "pagesRotation",
            get: function get() {
              return this._pagesRotation;
            },
            set: function set(rotation) {
              if (!(0, _ui_utils.isValidRotation)(rotation)) {
                throw new Error('Invalid pages rotation angle.');
              }

              if (!this.pdfDocument) {
                return;
              }

              if (this._pagesRotation === rotation) {
                return;
              }

              this._pagesRotation = rotation;
              var pageNumber = this._currentPageNumber;

              for (var i = 0, ii = this._pages.length; i < ii; i++) {
                var pageView = this._pages[i];
                pageView.update(pageView.scale, rotation);
              }

              if (this._currentScaleValue) {
                this._setScale(this._currentScaleValue, true);
              }

              this.eventBus.dispatch('rotationchanging', {
                source: this,
                pagesRotation: rotation,
                pageNumber: pageNumber
              });

              if (this.defaultRenderingQueue) {
                this.update();
              }
            }
          }, {
            key: "_setDocumentViewerElement",
            get: function get() {
              throw new Error('Not implemented: _setDocumentViewerElement');
            }
          }, {
            key: "_isScrollModeHorizontal",
            get: function get() {
              return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
            }
          }, {
            key: "isInPresentationMode",
            get: function get() {
              return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
            }
          }, {
            key: "isChangingPresentationMode",
            get: function get() {
              return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
            }
          }, {
            key: "isHorizontalScrollbarEnabled",
            get: function get() {
              return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
            }
          }, {
            key: "isVerticalScrollbarEnabled",
            get: function get() {
              return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
            }
          }, {
            key: "hasEqualPageSizes",
            get: function get() {
              var firstPageView = this._pages[0];

              for (var i = 1, ii = this._pages.length; i < ii; ++i) {
                var pageView = this._pages[i];

                if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
                  return false;
                }
              }

              return true;
            }
          }, {
            key: "scrollMode",
            get: function get() {
              return this._scrollMode;
            },
            set: function set(mode) {
              if (this._scrollMode === mode) {
                return;
              }

              if (!(0, _ui_utils.isValidScrollMode)(mode)) {
                throw new Error("Invalid scroll mode: ".concat(mode));
              }

              this._scrollMode = mode;
              this.eventBus.dispatch('scrollmodechanged', {
                source: this,
                mode: mode
              });

              this._updateScrollMode(this._currentPageNumber);
            }
          }, {
            key: "spreadMode",
            get: function get() {
              return this._spreadMode;
            },
            set: function set(mode) {
              if (this._spreadMode === mode) {
                return;
              }

              if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
                throw new Error("Invalid spread mode: ".concat(mode));
              }

              this._spreadMode = mode;
              this.eventBus.dispatch('spreadmodechanged', {
                source: this,
                mode: mode
              });

              this._updateSpreadMode(this._currentPageNumber);
            }
          }]);

          return BaseViewer;
        }();

    exports.BaseViewer = BaseViewer;

    /***/ }),
  /* 30 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;

    var _pdfjsLib = __webpack_require__(7);

    var _ui_utils = __webpack_require__(6);

    var _pdf_link_service = __webpack_require__(22);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var AnnotationLayerBuilder =
        /*#__PURE__*/
        function () {
          function AnnotationLayerBuilder(_ref) {
            var pageDiv = _ref.pageDiv,
                pdfPage = _ref.pdfPage,
                linkService = _ref.linkService,
                downloadManager = _ref.downloadManager,
                _ref$imageResourcesPa = _ref.imageResourcesPath,
                imageResourcesPath = _ref$imageResourcesPa === void 0 ? '' : _ref$imageResourcesPa,
                _ref$renderInteractiv = _ref.renderInteractiveForms,
                renderInteractiveForms = _ref$renderInteractiv === void 0 ? false : _ref$renderInteractiv,
                _ref$l10n = _ref.l10n,
                l10n = _ref$l10n === void 0 ? _ui_utils.NullL10n : _ref$l10n;

            _classCallCheck(this, AnnotationLayerBuilder);

            this.pageDiv = pageDiv;
            this.pdfPage = pdfPage;
            this.linkService = linkService;
            this.downloadManager = downloadManager;
            this.imageResourcesPath = imageResourcesPath;
            this.renderInteractiveForms = renderInteractiveForms;
            this.l10n = l10n;
            this.div = null;
            this._cancelled = false;
          }

          _createClass(AnnotationLayerBuilder, [{
            key: "render",
            value: function render(viewport) {
              var _this = this;

              var intent = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'display';
              this.pdfPage.getAnnotations({
                intent: intent
              }).then(function (annotations) {
                if (_this._cancelled) {
                  return;
                }

                var parameters = {
                  viewport: viewport.clone({
                    dontFlip: true
                  }),
                  div: _this.div,
                  annotations: annotations,
                  page: _this.pdfPage,
                  imageResourcesPath: _this.imageResourcesPath,
                  renderInteractiveForms: _this.renderInteractiveForms,
                  linkService: _this.linkService,
                  downloadManager: _this.downloadManager
                };

                if (_this.div) {
                  _pdfjsLib.AnnotationLayer.update(parameters);
                } else {
                  if (annotations.length === 0) {
                    return;
                  }

                  _this.div = document.createElement('div');
                  _this.div.className = 'annotationLayer';

                  _this.pageDiv.appendChild(_this.div);

                  parameters.div = _this.div;

                  _pdfjsLib.AnnotationLayer.render(parameters);

                  _this.l10n.translate(_this.div);
                }
              });
            }
          }, {
            key: "cancel",
            value: function cancel() {
              this._cancelled = true;
            }
          }, {
            key: "hide",
            value: function hide() {
              if (!this.div) {
                return;
              }

              this.div.setAttribute('hidden', 'true');
            }
          }]);

          return AnnotationLayerBuilder;
        }();

    exports.AnnotationLayerBuilder = AnnotationLayerBuilder;

    var DefaultAnnotationLayerFactory =
        /*#__PURE__*/
        function () {
          function DefaultAnnotationLayerFactory() {
            _classCallCheck(this, DefaultAnnotationLayerFactory);
          }

          _createClass(DefaultAnnotationLayerFactory, [{
            key: "createAnnotationLayerBuilder",
            value: function createAnnotationLayerBuilder(pageDiv, pdfPage) {
              var imageResourcesPath = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : '';
              var renderInteractiveForms = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              var l10n = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : _ui_utils.NullL10n;
              return new AnnotationLayerBuilder({
                pageDiv: pageDiv,
                pdfPage: pdfPage,
                imageResourcesPath: imageResourcesPath,
                renderInteractiveForms: renderInteractiveForms,
                linkService: new _pdf_link_service.SimpleLinkService(),
                l10n: l10n
              });
            }
          }]);

          return DefaultAnnotationLayerFactory;
        }();

    exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;

    /***/ }),
  /* 31 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFPageView = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    var _ui_utils = __webpack_require__(6);

    var _pdfjsLib = __webpack_require__(7);

    var _pdf_rendering_queue = __webpack_require__(10);

    var _viewer_compatibility = __webpack_require__(13);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;

    var PDFPageView =
        /*#__PURE__*/
        function () {
          function PDFPageView(options) {
            _classCallCheck(this, PDFPageView);

            var container = options.container;
            var defaultViewport = options.defaultViewport;
            this.id = options.id;
            this.renderingId = 'page' + this.id;
            this.pdfPage = null;
            this.pageLabel = null;
            this.rotation = 0;
            this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
            this.viewport = defaultViewport;
            this.pdfPageRotate = defaultViewport.rotation;
            this.hasRestrictedScaling = false;
            this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
            this.imageResourcesPath = options.imageResourcesPath || '';
            this.renderInteractiveForms = options.renderInteractiveForms || false;
            this.useOnlyCssZoom = options.useOnlyCssZoom || false;
            this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
            this.eventBus = options.eventBus || (0, _ui_utils.getGlobalEventBus)();
            this.renderingQueue = options.renderingQueue;
            this.textLayerFactory = options.textLayerFactory;
            this.annotationLayerFactory = options.annotationLayerFactory;
            this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
            this.enableWebGL = options.enableWebGL || false;
            this.l10n = options.l10n || _ui_utils.NullL10n;
            this.paintTask = null;
            this.paintedViewportMap = new WeakMap();
            this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
            this.resume = null;
            this.error = null;
            this.onBeforeDraw = null;
            this.onAfterDraw = null;
            this.annotationLayer = null;
            this.textLayer = null;
            this.zoomLayer = null;
            var div = document.createElement('div');
            div.className = 'page';
            div.style.width = Math.floor(this.viewport.width) + 'px';
            div.style.height = Math.floor(this.viewport.height) + 'px';
            div.setAttribute('data-page-number', this.id);
            this.div = div;
            container.appendChild(div);
          }

          _createClass(PDFPageView, [{
            key: "setPdfPage",
            value: function setPdfPage(pdfPage) {
              this.pdfPage = pdfPage;
              this.pdfPageRotate = pdfPage.rotate;
              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = pdfPage.getViewport({
                scale: this.scale * _ui_utils.CSS_UNITS,
                rotation: totalRotation
              });
              this.stats = pdfPage.stats;
              this.reset();
            }
          }, {
            key: "destroy",
            value: function destroy() {
              this.reset();

              if (this.pdfPage) {
                this.pdfPage.cleanup();
              }
            }
          }, {
            key: "_resetZoomLayer",
            value: function _resetZoomLayer() {
              var removeFromDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (!this.zoomLayer) {
                return;
              }

              var zoomLayerCanvas = this.zoomLayer.firstChild;
              this.paintedViewportMap.delete(zoomLayerCanvas);
              zoomLayerCanvas.width = 0;
              zoomLayerCanvas.height = 0;

              if (removeFromDOM) {
                this.zoomLayer.remove();
              }

              this.zoomLayer = null;
            }
          }, {
            key: "reset",
            value: function reset() {
              var keepZoomLayer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              var keepAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
              this.cancelRendering(keepAnnotations);
              var div = this.div;
              div.style.width = Math.floor(this.viewport.width) + 'px';
              div.style.height = Math.floor(this.viewport.height) + 'px';
              var childNodes = div.childNodes;
              var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
              var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;

              for (var i = childNodes.length - 1; i >= 0; i--) {
                var node = childNodes[i];

                if (currentZoomLayerNode === node || currentAnnotationNode === node) {
                  continue;
                }

                div.removeChild(node);
              }

              div.removeAttribute('data-loaded');

              if (currentAnnotationNode) {
                this.annotationLayer.hide();
              } else if (this.annotationLayer) {
                this.annotationLayer.cancel();
                this.annotationLayer = null;
              }

              if (!currentZoomLayerNode) {
                if (this.canvas) {
                  this.paintedViewportMap.delete(this.canvas);
                  this.canvas.width = 0;
                  this.canvas.height = 0;
                  delete this.canvas;
                }

                this._resetZoomLayer();
              }

              if (this.svg) {
                this.paintedViewportMap.delete(this.svg);
                delete this.svg;
              }

              this.loadingIconDiv = document.createElement('div');
              this.loadingIconDiv.className = 'loadingIcon';
              div.appendChild(this.loadingIconDiv);
            }
          }, {
            key: "update",
            value: function update(scale, rotation) {
              this.scale = scale || this.scale;

              if (typeof rotation !== 'undefined') {
                this.rotation = rotation;
              }

              var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
              this.viewport = this.viewport.clone({
                scale: this.scale * _ui_utils.CSS_UNITS,
                rotation: totalRotation
              });

              if (this.svg) {
                this.cssTransform(this.svg, true);
                this.eventBus.dispatch('pagerendered', {
                  source: this,
                  pageNumber: this.id,
                  cssTransform: true
                });
                return;
              }

              var isScalingRestricted = false;

              if (this.canvas && this.maxCanvasPixels > 0) {
                var outputScale = this.outputScale;

                if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
                  isScalingRestricted = true;
                }
              }

              if (this.canvas) {
                if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
                  this.cssTransform(this.canvas, true);
                  this.eventBus.dispatch('pagerendered', {
                    source: this,
                    pageNumber: this.id,
                    cssTransform: true
                  });
                  return;
                }

                if (!this.zoomLayer && !this.canvas.hasAttribute('hidden')) {
                  this.zoomLayer = this.canvas.parentNode;
                  this.zoomLayer.style.position = 'absolute';
                }
              }

              if (this.zoomLayer) {
                this.cssTransform(this.zoomLayer.firstChild);
              }

              this.reset(true, true);
            }
          }, {
            key: "cancelRendering",
            value: function cancelRendering() {
              var keepAnnotations = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              var renderingState = this.renderingState;

              if (this.paintTask) {
                this.paintTask.cancel();
                this.paintTask = null;
              }

              this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
              this.resume = null;

              if (this.textLayer) {
                this.textLayer.cancel();
                this.textLayer = null;
              }

              if (!keepAnnotations && this.annotationLayer) {
                this.annotationLayer.cancel();
                this.annotationLayer = null;
              }

              if (renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                this.eventBus.dispatch('pagecancelled', {
                  source: this,
                  pageNumber: this.id,
                  renderingState: renderingState
                });
              }
            }
          }, {
            key: "cssTransform",
            value: function cssTransform(target) {
              var redrawAnnotations = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
              var width = this.viewport.width;
              var height = this.viewport.height;
              var div = this.div;
              target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
              target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
              var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
              var absRotation = Math.abs(relativeRotation);
              var scaleX = 1,
                  scaleY = 1;

              if (absRotation === 90 || absRotation === 270) {
                scaleX = height / width;
                scaleY = width / height;
              }

              var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
              target.style.transform = cssTransform;

              if (this.textLayer) {
                var textLayerViewport = this.textLayer.viewport;
                var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
                var textAbsRotation = Math.abs(textRelativeRotation);
                var scale = width / textLayerViewport.width;

                if (textAbsRotation === 90 || textAbsRotation === 270) {
                  scale = width / textLayerViewport.height;
                }

                var textLayerDiv = this.textLayer.textLayerDiv;
                var transX, transY;

                switch (textAbsRotation) {
                  case 0:
                    transX = transY = 0;
                    break;

                  case 90:
                    transX = 0;
                    transY = '-' + textLayerDiv.style.height;
                    break;

                  case 180:
                    transX = '-' + textLayerDiv.style.width;
                    transY = '-' + textLayerDiv.style.height;
                    break;

                  case 270:
                    transX = '-' + textLayerDiv.style.width;
                    transY = 0;
                    break;

                  default:
                    console.error('Bad rotation value.');
                    break;
                }

                textLayerDiv.style.transform = 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')';
                textLayerDiv.style.transformOrigin = '0% 0%';
              }

              if (redrawAnnotations && this.annotationLayer) {
                this.annotationLayer.render(this.viewport, 'display');
              }
            }
          }, {
            key: "getPagePoint",
            value: function getPagePoint(x, y) {
              return this.viewport.convertToPdfPoint(x, y);
            }
          }, {
            key: "draw",
            value: function draw() {
              var _this = this;

              if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
                console.error('Must be in new state before drawing');
                this.reset();
              }

              if (!this.pdfPage) {
                this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                return Promise.reject(new Error('Page is not loaded'));
              }

              this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
              var pdfPage = this.pdfPage;
              var div = this.div;
              var canvasWrapper = document.createElement('div');
              canvasWrapper.style.width = div.style.width;
              canvasWrapper.style.height = div.style.height;
              canvasWrapper.classList.add('canvasWrapper');

              if (this.annotationLayer && this.annotationLayer.div) {
                div.insertBefore(canvasWrapper, this.annotationLayer.div);
              } else {
                div.appendChild(canvasWrapper);
              }

              var textLayer = null;

              if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
                var textLayerDiv = document.createElement('div');
                textLayerDiv.className = 'textLayer';
                textLayerDiv.style.width = canvasWrapper.style.width;
                textLayerDiv.style.height = canvasWrapper.style.height;

                if (this.annotationLayer && this.annotationLayer.div) {
                  div.insertBefore(textLayerDiv, this.annotationLayer.div);
                } else {
                  div.appendChild(textLayerDiv);
                }

                textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE);
              }

              this.textLayer = textLayer;
              var renderContinueCallback = null;

              if (this.renderingQueue) {
                renderContinueCallback = function renderContinueCallback(cont) {
                  if (!_this.renderingQueue.isHighestPriority(_this)) {
                    _this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;

                    _this.resume = function () {
                      _this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
                      cont();
                    };

                    return;
                  }

                  cont();
                };
              }

              var finishPaintTask =
                  /*#__PURE__*/
                  function () {
                    var _ref = _asyncToGenerator(
                        /*#__PURE__*/
                        _regenerator.default.mark(function _callee(error) {
                          return _regenerator.default.wrap(function _callee$(_context) {
                            while (1) {
                              switch (_context.prev = _context.next) {
                                case 0:
                                  if (paintTask === _this.paintTask) {
                                    _this.paintTask = null;
                                  }

                                  if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
                                    _context.next = 4;
                                    break;
                                  }

                                  _this.error = null;
                                  return _context.abrupt("return");

                                case 4:
                                  _this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;

                                  if (_this.loadingIconDiv) {
                                    div.removeChild(_this.loadingIconDiv);
                                    delete _this.loadingIconDiv;
                                  }

                                  _this._resetZoomLayer(true);

                                  _this.error = error;
                                  _this.stats = pdfPage.stats;

                                  if (_this.onAfterDraw) {
                                    _this.onAfterDraw();
                                  }

                                  _this.eventBus.dispatch('pagerendered', {
                                    source: _this,
                                    pageNumber: _this.id,
                                    cssTransform: false
                                  });

                                  if (!error) {
                                    _context.next = 13;
                                    break;
                                  }

                                  throw error;

                                case 13:
                                case "end":
                                  return _context.stop();
                              }
                            }
                          }, _callee, this);
                        }));

                    return function finishPaintTask(_x) {
                      return _ref.apply(this, arguments);
                    };
                  }();

              var paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
              paintTask.onRenderContinue = renderContinueCallback;
              this.paintTask = paintTask;
              var resultPromise = paintTask.promise.then(function () {
                return finishPaintTask(null).then(function () {
                  if (textLayer) {
                    var readableStream = pdfPage.streamTextContent({
                      normalizeWhitespace: true
                    });
                    textLayer.setTextContentStream(readableStream);
                    textLayer.render();
                  }
                });
              }, function (reason) {
                return finishPaintTask(reason);
              });

              if (this.annotationLayerFactory) {
                if (!this.annotationLayer) {
                  this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.imageResourcesPath, this.renderInteractiveForms, this.l10n);
                }

                this.annotationLayer.render(this.viewport, 'display');
              }

              div.setAttribute('data-loaded', true);

              if (this.onBeforeDraw) {
                this.onBeforeDraw();
              }

              return resultPromise;
            }
          }, {
            key: "paintOnCanvas",
            value: function paintOnCanvas(canvasWrapper) {
              var renderCapability = (0, _pdfjsLib.createPromiseCapability)();
              var result = {
                promise: renderCapability.promise,
                onRenderContinue: function onRenderContinue(cont) {
                  cont();
                },
                cancel: function cancel() {
                  renderTask.cancel();
                }
              };
              var viewport = this.viewport;
              var canvas = document.createElement('canvas');
              canvas.id = this.renderingId;
              canvas.setAttribute('hidden', 'hidden');
              var isCanvasHidden = true;

              var showCanvas = function showCanvas() {
                if (isCanvasHidden) {
                  canvas.removeAttribute('hidden');
                  isCanvasHidden = false;
                }
              };

              canvasWrapper.appendChild(canvas);
              this.canvas = canvas;
              canvas.mozOpaque = true;
              var ctx = canvas.getContext('2d', {
                alpha: false
              });
              var outputScale = (0, _ui_utils.getOutputScale)(ctx);
              this.outputScale = outputScale;

              if (this.useOnlyCssZoom) {
                var actualSizeViewport = viewport.clone({
                  scale: _ui_utils.CSS_UNITS
                });
                outputScale.sx *= actualSizeViewport.width / viewport.width;
                outputScale.sy *= actualSizeViewport.height / viewport.height;
                outputScale.scaled = true;
              }

              if (this.maxCanvasPixels > 0) {
                var pixelsInViewport = viewport.width * viewport.height;
                var maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);

                if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
                  outputScale.sx = maxScale;
                  outputScale.sy = maxScale;
                  outputScale.scaled = true;
                  this.hasRestrictedScaling = true;
                } else {
                  this.hasRestrictedScaling = false;
                }
              }

              var sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
              var sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
              canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
              canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
              canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + 'px';
              canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + 'px';
              this.paintedViewportMap.set(canvas, viewport);
              var transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
              var renderContext = {
                canvasContext: ctx,
                transform: transform,
                viewport: this.viewport,
                enableWebGL: this.enableWebGL,
                renderInteractiveForms: this.renderInteractiveForms
              };
              var renderTask = this.pdfPage.render(renderContext);

              renderTask.onContinue = function (cont) {
                showCanvas();

                if (result.onRenderContinue) {
                  result.onRenderContinue(cont);
                } else {
                  cont();
                }
              };

              renderTask.promise.then(function () {
                showCanvas();
                renderCapability.resolve(undefined);
              }, function (error) {
                showCanvas();
                renderCapability.reject(error);
              });
              return result;
            }
          }, {
            key: "paintOnSvg",
            value: function paintOnSvg(wrapper) {
              var _this2 = this;

              var cancelled = false;

              var ensureNotCancelled = function ensureNotCancelled() {
                if (cancelled) {
                  throw new _pdfjsLib.RenderingCancelledException('Rendering cancelled, page ' + _this2.id, 'svg');
                }
              };

              var pdfPage = this.pdfPage;
              var actualSizeViewport = this.viewport.clone({
                scale: _ui_utils.CSS_UNITS
              });
              var promise = pdfPage.getOperatorList().then(function (opList) {
                ensureNotCancelled();
                var svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
                return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
                  ensureNotCancelled();
                  _this2.svg = svg;

                  _this2.paintedViewportMap.set(svg, actualSizeViewport);

                  svg.style.width = wrapper.style.width;
                  svg.style.height = wrapper.style.height;
                  _this2.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
                  wrapper.appendChild(svg);
                });
              });
              return {
                promise: promise,
                onRenderContinue: function onRenderContinue(cont) {
                  cont();
                },
                cancel: function cancel() {
                  cancelled = true;
                }
              };
            }
          }, {
            key: "setPageLabel",
            value: function setPageLabel(label) {
              this.pageLabel = typeof label === 'string' ? label : null;

              if (this.pageLabel !== null) {
                this.div.setAttribute('data-page-label', this.pageLabel);
              } else {
                this.div.removeAttribute('data-page-label');
              }
            }
          }, {
            key: "width",
            get: function get() {
              return this.viewport.width;
            }
          }, {
            key: "height",
            get: function get() {
              return this.viewport.height;
            }
          }]);

          return PDFPageView;
        }();

    exports.PDFPageView = PDFPageView;

    /***/ }),
  /* 32 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.DefaultTextLayerFactory = exports.TextLayerBuilder = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var EXPAND_DIVS_TIMEOUT = 300;

    var TextLayerBuilder =
        /*#__PURE__*/
        function () {
          function TextLayerBuilder(_ref) {
            var textLayerDiv = _ref.textLayerDiv,
                eventBus = _ref.eventBus,
                pageIndex = _ref.pageIndex,
                viewport = _ref.viewport,
                _ref$findController = _ref.findController,
                findController = _ref$findController === void 0 ? null : _ref$findController,
                _ref$enhanceTextSelec = _ref.enhanceTextSelection,
                enhanceTextSelection = _ref$enhanceTextSelec === void 0 ? false : _ref$enhanceTextSelec;

            _classCallCheck(this, TextLayerBuilder);

            this.textLayerDiv = textLayerDiv;
            this.eventBus = eventBus || (0, _ui_utils.getGlobalEventBus)();
            this.textContent = null;
            this.textContentItemsStr = [];
            this.textContentStream = null;
            this.renderingDone = false;
            this.pageIdx = pageIndex;
            this.pageNumber = this.pageIdx + 1;
            this.matches = [];
            this.viewport = viewport;
            this.textDivs = [];
            this.findController = findController;
            this.textLayerRenderTask = null;
            this.enhanceTextSelection = enhanceTextSelection;
            this._boundEvents = Object.create(null);

            this._bindEvents();

            this._bindMouse();
          }

          _createClass(TextLayerBuilder, [{
            key: "_finishRendering",
            value: function _finishRendering() {
              this.renderingDone = true;

              if (!this.enhanceTextSelection) {
                var endOfContent = document.createElement('div');
                endOfContent.className = 'endOfContent';
                this.textLayerDiv.appendChild(endOfContent);
              }

              this.eventBus.dispatch('textlayerrendered', {
                source: this,
                pageNumber: this.pageNumber,
                numTextDivs: this.textDivs.length
              });
            }
          }, {
            key: "render",
            value: function render() {
              var _this = this;

              var timeout = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

              if (!(this.textContent || this.textContentStream) || this.renderingDone) {
                return;
              }

              this.cancel();
              this.textDivs = [];
              var textLayerFrag = document.createDocumentFragment();
              this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
                textContent: this.textContent,
                textContentStream: this.textContentStream,
                container: textLayerFrag,
                viewport: this.viewport,
                textDivs: this.textDivs,
                textContentItemsStr: this.textContentItemsStr,
                timeout: timeout,
                enhanceTextSelection: this.enhanceTextSelection
              });
              this.textLayerRenderTask.promise.then(function () {
                _this.textLayerDiv.appendChild(textLayerFrag);

                _this._finishRendering();

                _this._updateMatches();
              }, function (reason) {});
            }
          }, {
            key: "cancel",
            value: function cancel() {
              if (this.textLayerRenderTask) {
                this.textLayerRenderTask.cancel();
                this.textLayerRenderTask = null;
              }
            }
          }, {
            key: "setTextContentStream",
            value: function setTextContentStream(readableStream) {
              this.cancel();
              this.textContentStream = readableStream;
            }
          }, {
            key: "setTextContent",
            value: function setTextContent(textContent) {
              this.cancel();
              this.textContent = textContent;
            }
          }, {
            key: "_convertMatches",
            value: function _convertMatches(matches, matchesLength) {
              if (!matches) {
                return [];
              }

              var findController = this.findController,
                  textContentItemsStr = this.textContentItemsStr;
              var i = 0,
                  iIndex = 0;
              var end = textContentItemsStr.length - 1;
              var queryLen = findController.state.query.length;
              var result = [];

              for (var m = 0, mm = matches.length; m < mm; m++) {
                var matchIdx = matches[m];

                while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
                  iIndex += textContentItemsStr[i].length;
                  i++;
                }

                if (i === textContentItemsStr.length) {
                  console.error('Could not find a matching mapping');
                }

                var match = {
                  begin: {
                    divIdx: i,
                    offset: matchIdx - iIndex
                  }
                };

                if (matchesLength) {
                  matchIdx += matchesLength[m];
                } else {
                  matchIdx += queryLen;
                }

                while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
                  iIndex += textContentItemsStr[i].length;
                  i++;
                }

                match.end = {
                  divIdx: i,
                  offset: matchIdx - iIndex
                };
                result.push(match);
              }

              return result;
            }
          }, {
            key: "_renderMatches",
            value: function _renderMatches(matches) {
              if (matches.length === 0) {
                return;
              }

              var findController = this.findController,
                  pageIdx = this.pageIdx,
                  textContentItemsStr = this.textContentItemsStr,
                  textDivs = this.textDivs;
              var isSelectedPage = pageIdx === findController.selected.pageIdx;
              var selectedMatchIdx = findController.selected.matchIdx;
              var highlightAll = findController.state.highlightAll;
              var prevEnd = null;
              var infinity = {
                divIdx: -1,
                offset: undefined
              };

              function beginText(begin, className) {
                var divIdx = begin.divIdx;
                textDivs[divIdx].textContent = '';
                appendTextToDiv(divIdx, 0, begin.offset, className);
              }

              function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
                var div = textDivs[divIdx];
                var content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
                var node = document.createTextNode(content);

                if (className) {
                  var span = document.createElement('span');
                  span.className = className;
                  span.appendChild(node);
                  div.appendChild(span);
                  return;
                }

                div.appendChild(node);
              }

              var i0 = selectedMatchIdx,
                  i1 = i0 + 1;

              if (highlightAll) {
                i0 = 0;
                i1 = matches.length;
              } else if (!isSelectedPage) {
                return;
              }

              for (var i = i0; i < i1; i++) {
                var match = matches[i];
                var begin = match.begin;
                var end = match.end;
                var isSelected = isSelectedPage && i === selectedMatchIdx;
                var highlightSuffix = isSelected ? ' selected' : '';

                if (isSelected) {
                  findController.scrollMatchIntoView({
                    element: textDivs[begin.divIdx],
                    pageIndex: pageIdx,
                    matchIndex: selectedMatchIdx
                  });
                }

                if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
                  if (prevEnd !== null) {
                    appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
                  }

                  beginText(begin);
                } else {
                  appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
                }

                if (begin.divIdx === end.divIdx) {
                  appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
                } else {
                  appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);

                  for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
                    textDivs[n0].className = 'highlight middle' + highlightSuffix;
                  }

                  beginText(end, 'highlight end' + highlightSuffix);
                }

                prevEnd = end;
              }

              if (prevEnd) {
                appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
              }
            }
          }, {
            key: "_updateMatches",
            value: function _updateMatches() {
              if (!this.renderingDone) {
                return;
              }

              var findController = this.findController,
                  matches = this.matches,
                  pageIdx = this.pageIdx,
                  textContentItemsStr = this.textContentItemsStr,
                  textDivs = this.textDivs;
              var clearedUntilDivIdx = -1;

              for (var i = 0, ii = matches.length; i < ii; i++) {
                var match = matches[i];
                var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);

                for (var n = begin, end = match.end.divIdx; n <= end; n++) {
                  var div = textDivs[n];
                  div.textContent = textContentItemsStr[n];
                  div.className = '';
                }

                clearedUntilDivIdx = match.end.divIdx + 1;
              }

              if (!findController || !findController.highlightMatches) {
                return;
              }

              var pageMatches = findController.pageMatches[pageIdx] || null;
              var pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
              this.matches = this._convertMatches(pageMatches, pageMatchesLength);

              this._renderMatches(this.matches);
            }
          }, {
            key: "_bindEvents",
            value: function _bindEvents() {
              var _this2 = this;

              var eventBus = this.eventBus,
                  _boundEvents = this._boundEvents;

              _boundEvents.pageCancelled = function (evt) {
                if (evt.pageNumber !== _this2.pageNumber) {
                  return;
                }

                if (_this2.textLayerRenderTask) {
                  console.error('TextLayerBuilder._bindEvents: `this.cancel()` should ' + 'have been called when the page was reset, or rendering cancelled.');
                  return;
                }

                for (var name in _boundEvents) {
                  eventBus.off(name.toLowerCase(), _boundEvents[name]);
                  delete _boundEvents[name];
                }
              };

              _boundEvents.updateTextLayerMatches = function (evt) {
                if (evt.pageIndex !== _this2.pageIdx && evt.pageIndex !== -1) {
                  return;
                }

                _this2._updateMatches();
              };

              eventBus.on('pagecancelled', _boundEvents.pageCancelled);
              eventBus.on('updatetextlayermatches', _boundEvents.updateTextLayerMatches);
            }
          }, {
            key: "_bindMouse",
            value: function _bindMouse() {
              var _this3 = this;

              var div = this.textLayerDiv;
              var expandDivsTimer = null;
              div.addEventListener('mousedown', function (evt) {
                if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
                  _this3.textLayerRenderTask.expandTextDivs(true);

                  if (expandDivsTimer) {
                    clearTimeout(expandDivsTimer);
                    expandDivsTimer = null;
                  }

                  return;
                }

                var end = div.querySelector('.endOfContent');

                if (!end) {
                  return;
                }

                var adjustTop = evt.target !== div;
                adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';

                if (adjustTop) {
                  var divBounds = div.getBoundingClientRect();
                  var r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
                  end.style.top = (r * 100).toFixed(2) + '%';
                }

                end.classList.add('active');
              });
              div.addEventListener('mouseup', function () {
                if (_this3.enhanceTextSelection && _this3.textLayerRenderTask) {
                  expandDivsTimer = setTimeout(function () {
                    if (_this3.textLayerRenderTask) {
                      _this3.textLayerRenderTask.expandTextDivs(false);
                    }

                    expandDivsTimer = null;
                  }, EXPAND_DIVS_TIMEOUT);
                  return;
                }

                var end = div.querySelector('.endOfContent');

                if (!end) {
                  return;
                }

                end.style.top = '';
                end.classList.remove('active');
              });
            }
          }]);

          return TextLayerBuilder;
        }();

    exports.TextLayerBuilder = TextLayerBuilder;

    var DefaultTextLayerFactory =
        /*#__PURE__*/
        function () {
          function DefaultTextLayerFactory() {
            _classCallCheck(this, DefaultTextLayerFactory);
          }

          _createClass(DefaultTextLayerFactory, [{
            key: "createTextLayerBuilder",
            value: function createTextLayerBuilder(textLayerDiv, pageIndex, viewport) {
              var enhanceTextSelection = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
              return new TextLayerBuilder({
                textLayerDiv: textLayerDiv,
                pageIndex: pageIndex,
                viewport: viewport,
                enhanceTextSelection: enhanceTextSelection
              });
            }
          }]);

          return DefaultTextLayerFactory;
        }();

    exports.DefaultTextLayerFactory = DefaultTextLayerFactory;

    /***/ }),
  /* 33 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.SecondaryToolbar = void 0;

    var _ui_utils = __webpack_require__(6);

    var _pdf_cursor_tools = __webpack_require__(8);

    var _pdf_single_page_viewer = __webpack_require__(34);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var SecondaryToolbar =
        /*#__PURE__*/
        function () {
          function SecondaryToolbar(options, mainContainer, eventBus) {
            var _this = this;

            _classCallCheck(this, SecondaryToolbar);

            this.toolbar = options.toolbar;
            this.toggleButton = options.toggleButton;
            this.toolbarButtonContainer = options.toolbarButtonContainer;
            this.buttons = [{
              element: options.presentationModeButton,
              eventName: 'presentationmode',
              close: true
            }, {
              element: options.openFileButton,
              eventName: 'openfile',
              close: true
            }, {
              element: options.printButton,
              eventName: 'print',
              close: true
            }, {
              element: options.downloadButton,
              eventName: 'download',
              close: true
            }, {
              element: options.viewBookmarkButton,
              eventName: null,
              close: true
            }, {
              element: options.firstPageButton,
              eventName: 'firstpage',
              close: true
            }, {
              element: options.lastPageButton,
              eventName: 'lastpage',
              close: true
            }, {
              element: options.pageRotateCwButton,
              eventName: 'rotatecw',
              close: false
            }, {
              element: options.pageRotateCcwButton,
              eventName: 'rotateccw',
              close: false
            }, {
              element: options.cursorSelectToolButton,
              eventName: 'switchcursortool',
              eventDetails: {
                tool: _pdf_cursor_tools.CursorTool.SELECT
              },
              close: true
            }, {
              element: options.cursorHandToolButton,
              eventName: 'switchcursortool',
              eventDetails: {
                tool: _pdf_cursor_tools.CursorTool.HAND
              },
              close: true
            }, {
              element: options.scrollVerticalButton,
              eventName: 'switchscrollmode',
              eventDetails: {
                mode: _ui_utils.ScrollMode.VERTICAL
              },
              close: true
            }, {
              element: options.scrollHorizontalButton,
              eventName: 'switchscrollmode',
              eventDetails: {
                mode: _ui_utils.ScrollMode.HORIZONTAL
              },
              close: true
            }, {
              element: options.scrollWrappedButton,
              eventName: 'switchscrollmode',
              eventDetails: {
                mode: _ui_utils.ScrollMode.WRAPPED
              },
              close: true
            }, {
              element: options.spreadNoneButton,
              eventName: 'switchspreadmode',
              eventDetails: {
                mode: _ui_utils.SpreadMode.NONE
              },
              close: true
            }, {
              element: options.spreadOddButton,
              eventName: 'switchspreadmode',
              eventDetails: {
                mode: _ui_utils.SpreadMode.ODD
              },
              close: true
            }, {
              element: options.spreadEvenButton,
              eventName: 'switchspreadmode',
              eventDetails: {
                mode: _ui_utils.SpreadMode.EVEN
              },
              close: true
            }, {
              element: options.documentPropertiesButton,
              eventName: 'documentproperties',
              close: true
            }];
            this.items = {
              firstPage: options.firstPageButton,
              lastPage: options.lastPageButton,
              pageRotateCw: options.pageRotateCwButton,
              pageRotateCcw: options.pageRotateCcwButton
            };
            this.mainContainer = mainContainer;
            this.eventBus = eventBus;
            this.opened = false;
            this.containerHeight = null;
            this.previousContainerHeight = null;
            this.reset();

            this._bindClickListeners();

            this._bindCursorToolsListener(options);

            this._bindScrollModeListener(options);

            this._bindSpreadModeListener(options);

            this.eventBus.on('resize', this._setMaxHeight.bind(this));
            this.eventBus.on('baseviewerinit', function (evt) {
              if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
                _this.toolbarButtonContainer.classList.add('hiddenScrollModeButtons', 'hiddenSpreadModeButtons');
              } else {
                _this.toolbarButtonContainer.classList.remove('hiddenScrollModeButtons', 'hiddenSpreadModeButtons');
              }
            });
          }

          _createClass(SecondaryToolbar, [{
            key: "setPageNumber",
            value: function setPageNumber(pageNumber) {
              this.pageNumber = pageNumber;

              this._updateUIState();
            }
          }, {
            key: "setPagesCount",
            value: function setPagesCount(pagesCount) {
              this.pagesCount = pagesCount;

              this._updateUIState();
            }
          }, {
            key: "reset",
            value: function reset() {
              this.pageNumber = 0;
              this.pagesCount = 0;

              this._updateUIState();

              this.eventBus.dispatch('secondarytoolbarreset', {
                source: this
              });
            }
          }, {
            key: "_updateUIState",
            value: function _updateUIState() {
              this.items.firstPage.disabled = this.pageNumber <= 1;
              this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
              this.items.pageRotateCw.disabled = this.pagesCount === 0;
              this.items.pageRotateCcw.disabled = this.pagesCount === 0;
            }
          }, {
            key: "_bindClickListeners",
            value: function _bindClickListeners() {
              var _this2 = this;

              this.toggleButton.addEventListener('click', this.toggle.bind(this));

              var _loop = function _loop(button) {
                var _this2$buttons$button = _this2.buttons[button],
                    element = _this2$buttons$button.element,
                    eventName = _this2$buttons$button.eventName,
                    close = _this2$buttons$button.close,
                    eventDetails = _this2$buttons$button.eventDetails;
                element.addEventListener('click', function (evt) {
                  if (eventName !== null) {
                    var details = {
                      source: _this2
                    };

                    for (var property in eventDetails) {
                      details[property] = eventDetails[property];
                    }

                    _this2.eventBus.dispatch(eventName, details);
                  }

                  if (close) {
                    _this2.close();
                  }
                });
              };

              for (var button in this.buttons) {
                _loop(button);
              }
            }
          }, {
            key: "_bindCursorToolsListener",
            value: function _bindCursorToolsListener(buttons) {
              this.eventBus.on('cursortoolchanged', function (_ref) {
                var tool = _ref.tool;
                buttons.cursorSelectToolButton.classList.toggle('toggled', tool === _pdf_cursor_tools.CursorTool.SELECT);
                buttons.cursorHandToolButton.classList.toggle('toggled', tool === _pdf_cursor_tools.CursorTool.HAND);
              });
            }
          }, {
            key: "_bindScrollModeListener",
            value: function _bindScrollModeListener(buttons) {
              var _this3 = this;

              function scrollModeChanged(_ref2) {
                var mode = _ref2.mode;
                buttons.scrollVerticalButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.VERTICAL);
                buttons.scrollHorizontalButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.HORIZONTAL);
                buttons.scrollWrappedButton.classList.toggle('toggled', mode === _ui_utils.ScrollMode.WRAPPED);
                var isScrollModeHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL;
                buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
                buttons.spreadOddButton.disabled = isScrollModeHorizontal;
                buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
              }

              this.eventBus.on('scrollmodechanged', scrollModeChanged);
              this.eventBus.on('secondarytoolbarreset', function (evt) {
                if (evt.source === _this3) {
                  scrollModeChanged({
                    mode: _ui_utils.ScrollMode.VERTICAL
                  });
                }
              });
            }
          }, {
            key: "_bindSpreadModeListener",
            value: function _bindSpreadModeListener(buttons) {
              var _this4 = this;

              function spreadModeChanged(_ref3) {
                var mode = _ref3.mode;
                buttons.spreadNoneButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.NONE);
                buttons.spreadOddButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.ODD);
                buttons.spreadEvenButton.classList.toggle('toggled', mode === _ui_utils.SpreadMode.EVEN);
              }

              this.eventBus.on('spreadmodechanged', spreadModeChanged);
              this.eventBus.on('secondarytoolbarreset', function (evt) {
                if (evt.source === _this4) {
                  spreadModeChanged({
                    mode: _ui_utils.SpreadMode.NONE
                  });
                }
              });
            }
          }, {
            key: "open",
            value: function open() {
              if (this.opened) {
                return;
              }

              this.opened = true;

              this._setMaxHeight();

              this.toggleButton.classList.add('toggled');
              this.toolbar.classList.remove('hidden');
            }
          }, {
            key: "close",
            value: function close() {
              if (!this.opened) {
                return;
              }

              this.opened = false;
              this.toolbar.classList.add('hidden');
              this.toggleButton.classList.remove('toggled');
            }
          }, {
            key: "toggle",
            value: function toggle() {
              if (this.opened) {
                this.close();
              } else {
                this.open();
              }
            }
          }, {
            key: "_setMaxHeight",
            value: function _setMaxHeight() {
              if (!this.opened) {
                return;
              }

              this.containerHeight = this.mainContainer.clientHeight;

              if (this.containerHeight === this.previousContainerHeight) {
                return;
              }

              this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - _ui_utils.SCROLLBAR_PADDING) + 'px;');
              this.previousContainerHeight = this.containerHeight;
            }
          }, {
            key: "isOpen",
            get: function get() {
              return this.opened;
            }
          }]);

          return SecondaryToolbar;
        }();

    exports.SecondaryToolbar = SecondaryToolbar;

    /***/ }),
  /* 34 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.PDFSinglePageViewer = void 0;

    var _base_viewer = __webpack_require__(29);

    var _pdfjsLib = __webpack_require__(7);

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

    function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

    function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }

    function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }

    function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

    function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

    var PDFSinglePageViewer =
        /*#__PURE__*/
        function (_BaseViewer) {
          _inherits(PDFSinglePageViewer, _BaseViewer);

          function PDFSinglePageViewer(options) {
            var _this;

            _classCallCheck(this, PDFSinglePageViewer);

            _this = _possibleConstructorReturn(this, _getPrototypeOf(PDFSinglePageViewer).call(this, options));

            _this.eventBus.on('pagesinit', function (evt) {
              _this._ensurePageViewVisible();
            });

            return _this;
          }

          _createClass(PDFSinglePageViewer, [{
            key: "_resetView",
            value: function _resetView() {
              _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_resetView", this).call(this);

              this._previousPageNumber = 1;
              this._shadowViewer = document.createDocumentFragment();
              this._updateScrollDown = null;
            }
          }, {
            key: "_ensurePageViewVisible",
            value: function _ensurePageViewVisible() {
              var pageView = this._pages[this._currentPageNumber - 1];
              var previousPageView = this._pages[this._previousPageNumber - 1];
              var viewerNodes = this.viewer.childNodes;

              switch (viewerNodes.length) {
                case 0:
                  this.viewer.appendChild(pageView.div);
                  break;

                case 1:
                  if (viewerNodes[0] !== previousPageView.div) {
                    throw new Error('_ensurePageViewVisible: Unexpected previously visible page.');
                  }

                  if (pageView === previousPageView) {
                    break;
                  }

                  this._shadowViewer.appendChild(previousPageView.div);

                  this.viewer.appendChild(pageView.div);
                  this.container.scrollTop = 0;
                  break;

                default:
                  throw new Error('_ensurePageViewVisible: Only one page should be visible at a time.');
              }

              this._previousPageNumber = this._currentPageNumber;
            }
          }, {
            key: "_scrollUpdate",
            value: function _scrollUpdate() {
              if (this._updateScrollDown) {
                this._updateScrollDown();
              }

              _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_scrollUpdate", this).call(this);
            }
          }, {
            key: "_scrollIntoView",
            value: function _scrollIntoView(_ref) {
              var _this2 = this;

              var pageDiv = _ref.pageDiv,
                  _ref$pageSpot = _ref.pageSpot,
                  pageSpot = _ref$pageSpot === void 0 ? null : _ref$pageSpot,
                  _ref$pageNumber = _ref.pageNumber,
                  pageNumber = _ref$pageNumber === void 0 ? null : _ref$pageNumber;

              if (pageNumber) {
                this._setCurrentPageNumber(pageNumber);
              }

              var scrolledDown = this._currentPageNumber >= this._previousPageNumber;

              this._ensurePageViewVisible();

              this.update();

              _get(_getPrototypeOf(PDFSinglePageViewer.prototype), "_scrollIntoView", this).call(this, {
                pageDiv: pageDiv,
                pageSpot: pageSpot,
                pageNumber: pageNumber
              });

              this._updateScrollDown = function () {
                _this2.scroll.down = scrolledDown;
                _this2._updateScrollDown = null;
              };
            }
          }, {
            key: "_getVisiblePages",
            value: function _getVisiblePages() {
              return this._getCurrentVisiblePage();
            }
          }, {
            key: "_updateHelper",
            value: function _updateHelper(visiblePages) {}
          }, {
            key: "_updateScrollMode",
            value: function _updateScrollMode() {}
          }, {
            key: "_updateSpreadMode",
            value: function _updateSpreadMode() {}
          }, {
            key: "_setDocumentViewerElement",
            get: function get() {
              return (0, _pdfjsLib.shadow)(this, '_setDocumentViewerElement', this._shadowViewer);
            }
          }, {
            key: "_isScrollModeHorizontal",
            get: function get() {
              return (0, _pdfjsLib.shadow)(this, '_isScrollModeHorizontal', false);
            }
          }]);

          return PDFSinglePageViewer;
        }(_base_viewer.BaseViewer);

    exports.PDFSinglePageViewer = PDFSinglePageViewer;

    /***/ }),
  /* 35 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.Toolbar = void 0;

    var _ui_utils = __webpack_require__(6);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
    var SCALE_SELECT_CONTAINER_PADDING = 8;
    var SCALE_SELECT_PADDING = 22;

    var Toolbar =
        /*#__PURE__*/
        function () {
          function Toolbar(options, eventBus) {
            var l10n = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : _ui_utils.NullL10n;

            _classCallCheck(this, Toolbar);

            this.toolbar = options.container;
            this.eventBus = eventBus;
            this.l10n = l10n;
            this.items = options;
            this._wasLocalized = false;
            this.reset();

            this._bindListeners();
          }

          _createClass(Toolbar, [{
            key: "setPageNumber",
            value: function setPageNumber(pageNumber, pageLabel) {
              this.pageNumber = pageNumber;
              this.pageLabel = pageLabel;

              this._updateUIState(false);
            }
          }, {
            key: "setPagesCount",
            value: function setPagesCount(pagesCount, hasPageLabels) {
              this.pagesCount = pagesCount;
              this.hasPageLabels = hasPageLabels;

              this._updateUIState(true);
            }
          }, {
            key: "setPageScale",
            value: function setPageScale(pageScaleValue, pageScale) {
              this.pageScaleValue = (pageScaleValue || pageScale).toString();
              this.pageScale = pageScale;

              this._updateUIState(false);
            }
          }, {
            key: "reset",
            value: function reset() {
              this.pageNumber = 0;
              this.pageLabel = null;
              this.hasPageLabels = false;
              this.pagesCount = 0;
              this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
              this.pageScale = _ui_utils.DEFAULT_SCALE;

              this._updateUIState(true);
            }
          }, {
            key: "_bindListeners",
            value: function _bindListeners() {
              var _this = this;

              var eventBus = this.eventBus,
                  items = this.items;
              var self = this;
              items.previous.addEventListener('click', function () {
                eventBus.dispatch('previouspage', {
                  source: self
                });
              });
              items.next.addEventListener('click', function () {
                eventBus.dispatch('nextpage', {
                  source: self
                });
              });
              items.zoomIn.addEventListener('click', function () {
                eventBus.dispatch('zoomin', {
                  source: self
                });
              });
              items.zoomOut.addEventListener('click', function () {
                eventBus.dispatch('zoomout', {
                  source: self
                });
              });
              items.pageNumber.addEventListener('click', function () {
                this.select();
              });
              items.pageNumber.addEventListener('change', function () {
                eventBus.dispatch('pagenumberchanged', {
                  source: self,
                  value: this.value
                });
              });
              items.scaleSelect.addEventListener('change', function () {
                if (this.value === 'custom') {
                  return;
                }

                eventBus.dispatch('scalechanged', {
                  source: self,
                  value: this.value
                });
              });
              items.presentationModeButton.addEventListener('click', function () {
                eventBus.dispatch('presentationmode', {
                  source: self
                });
              });
              items.openFile.addEventListener('click', function () {
                eventBus.dispatch('openfile', {
                  source: self
                });
              });
              items.print.addEventListener('click', function () {
                eventBus.dispatch('print', {
                  source: self
                });
              });
              items.download.addEventListener('click', function () {
                eventBus.dispatch('download', {
                  source: self
                });
              });
              items.scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
              eventBus.on('localized', function () {
                _this._localized();
              });
            }
          }, {
            key: "_localized",
            value: function _localized() {
              this._wasLocalized = true;

              this._adjustScaleWidth();

              this._updateUIState(true);
            }
          }, {
            key: "_updateUIState",
            value: function _updateUIState() {
              var resetNumPages = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;

              if (!this._wasLocalized) {
                return;
              }

              var pageNumber = this.pageNumber,
                  pagesCount = this.pagesCount,
                  pageScaleValue = this.pageScaleValue,
                  pageScale = this.pageScale,
                  items = this.items;

              if (resetNumPages) {
                if (this.hasPageLabels) {
                  items.pageNumber.type = 'text';
                } else {
                  items.pageNumber.type = 'number';
                  this.l10n.get('of_pages', {
                    pagesCount: pagesCount
                  }, 'of {{pagesCount}}').then(function (msg) {
                    items.numPages.textContent = msg;
                  });
                }

                items.pageNumber.max = pagesCount;
              }

              if (this.hasPageLabels) {
                items.pageNumber.value = this.pageLabel;
                this.l10n.get('page_of_pages', {
                  pageNumber: pageNumber,
                  pagesCount: pagesCount
                }, '({{pageNumber}} of {{pagesCount}})').then(function (msg) {
                  items.numPages.textContent = msg;
                });
              } else {
                items.pageNumber.value = pageNumber;
              }

              items.previous.disabled = pageNumber <= 1;
              items.next.disabled = pageNumber >= pagesCount;
              items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
              items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
              var customScale = Math.round(pageScale * 10000) / 100;
              this.l10n.get('page_scale_percent', {
                scale: customScale
              }, '{{scale}}%').then(function (msg) {
                var options = items.scaleSelect.options;
                var predefinedValueFound = false;

                for (var i = 0, ii = options.length; i < ii; i++) {
                  var option = options[i];

                  if (option.value !== pageScaleValue) {
                    option.selected = false;
                    continue;
                  }

                  option.selected = true;
                  predefinedValueFound = true;
                }

                if (!predefinedValueFound) {
                  items.customScaleOption.textContent = msg;
                  items.customScaleOption.selected = true;
                }
              });
            }
          }, {
            key: "updateLoadingIndicatorState",
            value: function updateLoadingIndicatorState() {
              var loading = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
              var pageNumberInput = this.items.pageNumber;
              pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
            }
          }, {
            key: "_adjustScaleWidth",
            value: function _adjustScaleWidth() {
              var container = this.items.scaleSelectContainer;
              var select = this.items.scaleSelect;

              _ui_utils.animationStarted.then(function () {
                if (container.clientWidth === 0) {
                  container.setAttribute('style', 'display: inherit;');
                }

                if (container.clientWidth > 0) {
                  select.setAttribute('style', 'min-width: inherit;');
                  var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
                  select.setAttribute('style', 'min-width: ' + (width + SCALE_SELECT_PADDING) + 'px;');
                  container.setAttribute('style', 'min-width: ' + width + 'px; ' + 'max-width: ' + width + 'px;');
                }
              });
            }
          }]);

          return Toolbar;
        }();

    exports.Toolbar = Toolbar;

    /***/ }),
  /* 36 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.ViewHistory = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;

    var ViewHistory =
        /*#__PURE__*/
        function () {
          function ViewHistory(fingerprint) {
            var _this = this;

            var cacheSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_VIEW_HISTORY_CACHE_SIZE;

            _classCallCheck(this, ViewHistory);

            this.fingerprint = fingerprint;
            this.cacheSize = cacheSize;
            this._initializedPromise = this._readFromStorage().then(function (databaseStr) {
              var database = JSON.parse(databaseStr || '{}');

              if (!('files' in database)) {
                database.files = [];
              } else {
                while (database.files.length >= _this.cacheSize) {
                  database.files.shift();
                }
              }

              var index = -1;

              for (var i = 0, length = database.files.length; i < length; i++) {
                var branch = database.files[i];

                if (branch.fingerprint === _this.fingerprint) {
                  index = i;
                  break;
                }
              }

              if (index === -1) {
                index = database.files.push({
                  fingerprint: _this.fingerprint
                }) - 1;
              }

              _this.file = database.files[index];
              _this.database = database;
            });
          }

          _createClass(ViewHistory, [{
            key: "_writeToStorage",
            value: function () {
              var _writeToStorage2 = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee() {
                    var databaseStr;
                    return _regenerator.default.wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            databaseStr = JSON.stringify(this.database);
                            localStorage.setItem('pdfjs.history', databaseStr);

                          case 2:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee, this);
                  }));

              function _writeToStorage() {
                return _writeToStorage2.apply(this, arguments);
              }

              return _writeToStorage;
            }()
          }, {
            key: "_readFromStorage",
            value: function () {
              var _readFromStorage2 = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee2() {
                    return _regenerator.default.wrap(function _callee2$(_context2) {
                      while (1) {
                        switch (_context2.prev = _context2.next) {
                          case 0:
                            return _context2.abrupt("return", localStorage.getItem('pdfjs.history'));

                          case 1:
                          case "end":
                            return _context2.stop();
                        }
                      }
                    }, _callee2, this);
                  }));

              function _readFromStorage() {
                return _readFromStorage2.apply(this, arguments);
              }

              return _readFromStorage;
            }()
          }, {
            key: "set",
            value: function () {
              var _set = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee3(name, val) {
                    return _regenerator.default.wrap(function _callee3$(_context3) {
                      while (1) {
                        switch (_context3.prev = _context3.next) {
                          case 0:
                            _context3.next = 2;
                            return this._initializedPromise;

                          case 2:
                            this.file[name] = val;
                            return _context3.abrupt("return", this._writeToStorage());

                          case 4:
                          case "end":
                            return _context3.stop();
                        }
                      }
                    }, _callee3, this);
                  }));

              function set(_x, _x2) {
                return _set.apply(this, arguments);
              }

              return set;
            }()
          }, {
            key: "setMultiple",
            value: function () {
              var _setMultiple = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee4(properties) {
                    var name;
                    return _regenerator.default.wrap(function _callee4$(_context4) {
                      while (1) {
                        switch (_context4.prev = _context4.next) {
                          case 0:
                            _context4.next = 2;
                            return this._initializedPromise;

                          case 2:
                            for (name in properties) {
                              this.file[name] = properties[name];
                            }

                            return _context4.abrupt("return", this._writeToStorage());

                          case 4:
                          case "end":
                            return _context4.stop();
                        }
                      }
                    }, _callee4, this);
                  }));

              function setMultiple(_x3) {
                return _setMultiple.apply(this, arguments);
              }

              return setMultiple;
            }()
          }, {
            key: "get",
            value: function () {
              var _get = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee5(name, defaultValue) {
                    var val;
                    return _regenerator.default.wrap(function _callee5$(_context5) {
                      while (1) {
                        switch (_context5.prev = _context5.next) {
                          case 0:
                            _context5.next = 2;
                            return this._initializedPromise;

                          case 2:
                            val = this.file[name];
                            return _context5.abrupt("return", val !== undefined ? val : defaultValue);

                          case 4:
                          case "end":
                            return _context5.stop();
                        }
                      }
                    }, _callee5, this);
                  }));

              function get(_x4, _x5) {
                return _get.apply(this, arguments);
              }

              return get;
            }()
          }, {
            key: "getMultiple",
            value: function () {
              var _getMultiple = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee6(properties) {
                    var values, name, val;
                    return _regenerator.default.wrap(function _callee6$(_context6) {
                      while (1) {
                        switch (_context6.prev = _context6.next) {
                          case 0:
                            _context6.next = 2;
                            return this._initializedPromise;

                          case 2:
                            values = Object.create(null);

                            for (name in properties) {
                              val = this.file[name];
                              values[name] = val !== undefined ? val : properties[name];
                            }

                            return _context6.abrupt("return", values);

                          case 5:
                          case "end":
                            return _context6.stop();
                        }
                      }
                    }, _callee6, this);
                  }));

              function getMultiple(_x6) {
                return _getMultiple.apply(this, arguments);
              }

              return getMultiple;
            }()
          }]);

          return ViewHistory;
        }();

    exports.ViewHistory = ViewHistory;

    /***/ }),
  /* 37 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.GenericCom = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    var _app = __webpack_require__(1);

    var _preferences = __webpack_require__(38);

    var _download_manager = __webpack_require__(39);

    var _genericl10n = __webpack_require__(40);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

    function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

    function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

    function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

    function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

    ;
    var GenericCom = {};
    exports.GenericCom = GenericCom;

    var GenericPreferences =
        /*#__PURE__*/
        function (_BasePreferences) {
          _inherits(GenericPreferences, _BasePreferences);

          function GenericPreferences() {
            _classCallCheck(this, GenericPreferences);

            return _possibleConstructorReturn(this, _getPrototypeOf(GenericPreferences).apply(this, arguments));
          }

          _createClass(GenericPreferences, [{
            key: "_writeToStorage",
            value: function () {
              var _writeToStorage2 = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee(prefObj) {
                    return _regenerator.default.wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));

                          case 1:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee, this);
                  }));

              function _writeToStorage(_x) {
                return _writeToStorage2.apply(this, arguments);
              }

              return _writeToStorage;
            }()
          }, {
            key: "_readFromStorage",
            value: function () {
              var _readFromStorage2 = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee2(prefObj) {
                    return _regenerator.default.wrap(function _callee2$(_context2) {
                      while (1) {
                        switch (_context2.prev = _context2.next) {
                          case 0:
                            return _context2.abrupt("return", JSON.parse(localStorage.getItem('pdfjs.preferences')));

                          case 1:
                          case "end":
                            return _context2.stop();
                        }
                      }
                    }, _callee2, this);
                  }));

              function _readFromStorage(_x2) {
                return _readFromStorage2.apply(this, arguments);
              }

              return _readFromStorage;
            }()
          }]);

          return GenericPreferences;
        }(_preferences.BasePreferences);

    var GenericExternalServices = Object.create(_app.DefaultExternalServices);

    GenericExternalServices.createDownloadManager = function (options) {
      return new _download_manager.DownloadManager(options);
    };

    GenericExternalServices.createPreferences = function () {
      return new GenericPreferences();
    };

    GenericExternalServices.createL10n = function (_ref) {
      var _ref$locale = _ref.locale,
          locale = _ref$locale === void 0 ? 'en-US' : _ref$locale;
      return new _genericl10n.GenericL10n(locale);
    };

    _app.PDFViewerApplication.externalServices = GenericExternalServices;

    /***/ }),
  /* 38 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.BasePreferences = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var defaultPreferences = null;

    function getDefaultPreferences() {
      if (!defaultPreferences) {
        defaultPreferences = Promise.resolve({
          "viewOnLoad": 0,
          "defaultZoomValue": "",
          "sidebarViewOnLoad": -1,
          "cursorToolOnLoad": 0,
          "enableWebGL": false,
          "eventBusDispatchToDOM": false,
          "pdfBugEnabled": false,
          "disableRange": false,
          "disableStream": false,
          "disableAutoFetch": false,
          "disableFontFace": false,
          "textLayerMode": 1,
          "useOnlyCssZoom": false,
          "externalLinkTarget": 0,
          "renderer": "canvas",
          "renderInteractiveForms": false,
          "enablePrintAutoRotate": false,
          "disablePageLabels": false,
          "historyUpdateUrl": false,
          "scrollModeOnLoad": -1,
          "spreadModeOnLoad": -1
        });
      }

      return defaultPreferences;
    }

    var BasePreferences =
        /*#__PURE__*/
        function () {
          function BasePreferences() {
            var _this = this;

            _classCallCheck(this, BasePreferences);

            if (this.constructor === BasePreferences) {
              throw new Error('Cannot initialize BasePreferences.');
            }

            this.prefs = null;
            this._initializedPromise = getDefaultPreferences().then(function (defaults) {
              Object.defineProperty(_this, 'defaults', {
                value: Object.freeze(defaults),
                writable: false,
                enumerable: true,
                configurable: false
              });
              _this.prefs = Object.assign(Object.create(null), defaults);
              return _this._readFromStorage(defaults);
            }).then(function (prefs) {
              if (!prefs) {
                return;
              }

              for (var name in prefs) {
                var defaultValue = _this.defaults[name],
                    prefValue = prefs[name];

                if (defaultValue === undefined || _typeof(prefValue) !== _typeof(defaultValue)) {
                  continue;
                }

                _this.prefs[name] = prefValue;
              }
            });
          }

          _createClass(BasePreferences, [{
            key: "_writeToStorage",
            value: function () {
              var _writeToStorage2 = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee(prefObj) {
                    return _regenerator.default.wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            throw new Error('Not implemented: _writeToStorage');

                          case 1:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee, this);
                  }));

              function _writeToStorage(_x) {
                return _writeToStorage2.apply(this, arguments);
              }

              return _writeToStorage;
            }()
          }, {
            key: "_readFromStorage",
            value: function () {
              var _readFromStorage2 = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee2(prefObj) {
                    return _regenerator.default.wrap(function _callee2$(_context2) {
                      while (1) {
                        switch (_context2.prev = _context2.next) {
                          case 0:
                            throw new Error('Not implemented: _readFromStorage');

                          case 1:
                          case "end":
                            return _context2.stop();
                        }
                      }
                    }, _callee2, this);
                  }));

              function _readFromStorage(_x2) {
                return _readFromStorage2.apply(this, arguments);
              }

              return _readFromStorage;
            }()
          }, {
            key: "reset",
            value: function () {
              var _reset = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee3() {
                    return _regenerator.default.wrap(function _callee3$(_context3) {
                      while (1) {
                        switch (_context3.prev = _context3.next) {
                          case 0:
                            _context3.next = 2;
                            return this._initializedPromise;

                          case 2:
                            this.prefs = Object.assign(Object.create(null), this.defaults);
                            return _context3.abrupt("return", this._writeToStorage(this.defaults));

                          case 4:
                          case "end":
                            return _context3.stop();
                        }
                      }
                    }, _callee3, this);
                  }));

              function reset() {
                return _reset.apply(this, arguments);
              }

              return reset;
            }()
          }, {
            key: "set",
            value: function () {
              var _set = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee4(name, value) {
                    var defaultValue, valueType, defaultType;
                    return _regenerator.default.wrap(function _callee4$(_context4) {
                      while (1) {
                        switch (_context4.prev = _context4.next) {
                          case 0:
                            _context4.next = 2;
                            return this._initializedPromise;

                          case 2:
                            defaultValue = this.defaults[name];

                            if (!(defaultValue === undefined)) {
                              _context4.next = 7;
                              break;
                            }

                            throw new Error("Set preference: \"".concat(name, "\" is undefined."));

                          case 7:
                            if (!(value === undefined)) {
                              _context4.next = 9;
                              break;
                            }

                            throw new Error('Set preference: no value is specified.');

                          case 9:
                            valueType = _typeof(value);
                            defaultType = _typeof(defaultValue);

                            if (!(valueType !== defaultType)) {
                              _context4.next = 19;
                              break;
                            }

                            if (!(valueType === 'number' && defaultType === 'string')) {
                              _context4.next = 16;
                              break;
                            }

                            value = value.toString();
                            _context4.next = 17;
                            break;

                          case 16:
                            throw new Error("Set preference: \"".concat(value, "\" is a ").concat(valueType, ", ") + "expected a ".concat(defaultType, "."));

                          case 17:
                            _context4.next = 21;
                            break;

                          case 19:
                            if (!(valueType === 'number' && !Number.isInteger(value))) {
                              _context4.next = 21;
                              break;
                            }

                            throw new Error("Set preference: \"".concat(value, "\" must be an integer."));

                          case 21:
                            this.prefs[name] = value;
                            return _context4.abrupt("return", this._writeToStorage(this.prefs));

                          case 23:
                          case "end":
                            return _context4.stop();
                        }
                      }
                    }, _callee4, this);
                  }));

              function set(_x3, _x4) {
                return _set.apply(this, arguments);
              }

              return set;
            }()
          }, {
            key: "get",
            value: function () {
              var _get = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee5(name) {
                    var defaultValue, prefValue;
                    return _regenerator.default.wrap(function _callee5$(_context5) {
                      while (1) {
                        switch (_context5.prev = _context5.next) {
                          case 0:
                            _context5.next = 2;
                            return this._initializedPromise;

                          case 2:
                            defaultValue = this.defaults[name];

                            if (!(defaultValue === undefined)) {
                              _context5.next = 7;
                              break;
                            }

                            throw new Error("Get preference: \"".concat(name, "\" is undefined."));

                          case 7:
                            prefValue = this.prefs[name];

                            if (!(prefValue !== undefined)) {
                              _context5.next = 10;
                              break;
                            }

                            return _context5.abrupt("return", prefValue);

                          case 10:
                            return _context5.abrupt("return", defaultValue);

                          case 11:
                          case "end":
                            return _context5.stop();
                        }
                      }
                    }, _callee5, this);
                  }));

              function get(_x5) {
                return _get.apply(this, arguments);
              }

              return get;
            }()
          }, {
            key: "getAll",
            value: function () {
              var _getAll = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee6() {
                    return _regenerator.default.wrap(function _callee6$(_context6) {
                      while (1) {
                        switch (_context6.prev = _context6.next) {
                          case 0:
                            _context6.next = 2;
                            return this._initializedPromise;

                          case 2:
                            return _context6.abrupt("return", Object.assign(Object.create(null), this.defaults, this.prefs));

                          case 3:
                          case "end":
                            return _context6.stop();
                        }
                      }
                    }, _callee6, this);
                  }));

              function getAll() {
                return _getAll.apply(this, arguments);
              }

              return getAll;
            }()
          }]);

          return BasePreferences;
        }();

    exports.BasePreferences = BasePreferences;

    /***/ }),
  /* 39 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.DownloadManager = void 0;

    var _pdfjsLib = __webpack_require__(7);

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    ;
    var DISABLE_CREATE_OBJECT_URL = _pdfjsLib.apiCompatibilityParams.disableCreateObjectURL || false;

    function _download(blobUrl, filename) {
      var a = document.createElement('a');

      if (!a.click) {
        throw new Error('DownloadManager: "a.click()" is not supported.');
      }

      a.href = blobUrl;
      a.target = '_parent';

      if ('download' in a) {
        a.download = filename;
      }

      (document.body || document.documentElement).appendChild(a);
      a.click();
      a.remove();
    }

    var DownloadManager =
        /*#__PURE__*/
        function () {
          function DownloadManager(_ref) {
            var _ref$disableCreateObj = _ref.disableCreateObjectURL,
                disableCreateObjectURL = _ref$disableCreateObj === void 0 ? DISABLE_CREATE_OBJECT_URL : _ref$disableCreateObj;

            _classCallCheck(this, DownloadManager);

            this.disableCreateObjectURL = disableCreateObjectURL;
          }

          _createClass(DownloadManager, [{
            key: "downloadUrl",
            value: function downloadUrl(url, filename) {
              if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) {
                return;
              }

              _download(url + '#pdfjs.action=download', filename);
            }
          }, {
            key: "downloadData",
            value: function downloadData(data, filename, contentType) {
              if (navigator.msSaveBlob) {
                return navigator.msSaveBlob(new Blob([data], {
                  type: contentType
                }), filename);
              }

              var blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, this.disableCreateObjectURL);

              _download(blobUrl, filename);
            }
          },
            //   {
            //   key: "download",
            //   value: function download(blob, url, filename) {
            //     if (navigator.msSaveBlob) {
            //       if (!navigator.msSaveBlob(blob, filename)) {
            //         this.downloadUrl(url, filename);
            //       }
            //
            //       return;
            //     }
            //
            //     if (this.disableCreateObjectURL) {
            //       this.downloadUrl(url, filename);
            //       return;
            //     }
            //
            //     var blobUrl = _pdfjsLib.URL.createObjectURL(blob);
            //
            //     _download(blobUrl, filename);
            //   }
            // }
          ]);

          return DownloadManager;
        }();

    exports.DownloadManager = DownloadManager;

    /***/ }),
  /* 40 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    Object.defineProperty(exports, "__esModule", {
      value: true
    });
    exports.GenericL10n = void 0;

    var _regenerator = _interopRequireDefault(__webpack_require__(2));

    __webpack_require__(41);

    function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

    function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }

    function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }

    function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

    function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

    function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

    var webL10n = document.webL10n;

    var GenericL10n =
        /*#__PURE__*/
        function () {
          function GenericL10n(lang) {
            _classCallCheck(this, GenericL10n);

            this._lang = lang;
            this._ready = new Promise(function (resolve, reject) {
              webL10n.setLanguage(lang, function () {
                resolve(webL10n);
              });
            });
          }

          _createClass(GenericL10n, [{
            key: "getLanguage",
            value: function () {
              var _getLanguage = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee() {
                    var l10n;
                    return _regenerator.default.wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            _context.next = 2;
                            return this._ready;

                          case 2:
                            l10n = _context.sent;
                            return _context.abrupt("return", l10n.getLanguage());

                          case 4:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee, this);
                  }));

              function getLanguage() {
                return _getLanguage.apply(this, arguments);
              }

              return getLanguage;
            }()
          }, {
            key: "getDirection",
            value: function () {
              var _getDirection = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee2() {
                    var l10n;
                    return _regenerator.default.wrap(function _callee2$(_context2) {
                      while (1) {
                        switch (_context2.prev = _context2.next) {
                          case 0:
                            _context2.next = 2;
                            return this._ready;

                          case 2:
                            l10n = _context2.sent;
                            return _context2.abrupt("return", l10n.getDirection());

                          case 4:
                          case "end":
                            return _context2.stop();
                        }
                      }
                    }, _callee2, this);
                  }));

              function getDirection() {
                return _getDirection.apply(this, arguments);
              }

              return getDirection;
            }()
          }, {
            key: "get",
            value: function () {
              var _get = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee3(property, args, fallback) {
                    var l10n;
                    return _regenerator.default.wrap(function _callee3$(_context3) {
                      while (1) {
                        switch (_context3.prev = _context3.next) {
                          case 0:
                            _context3.next = 2;
                            return this._ready;

                          case 2:
                            l10n = _context3.sent;
                            return _context3.abrupt("return", l10n.get(property, args, fallback));

                          case 4:
                          case "end":
                            return _context3.stop();
                        }
                      }
                    }, _callee3, this);
                  }));

              function get(_x, _x2, _x3) {
                return _get.apply(this, arguments);
              }

              return get;
            }()
          }, {
            key: "translate",
            value: function () {
              var _translate = _asyncToGenerator(
                  /*#__PURE__*/
                  _regenerator.default.mark(function _callee4(element) {
                    var l10n;
                    return _regenerator.default.wrap(function _callee4$(_context4) {
                      while (1) {
                        switch (_context4.prev = _context4.next) {
                          case 0:
                            _context4.next = 2;
                            return this._ready;

                          case 2:
                            l10n = _context4.sent;
                            return _context4.abrupt("return", l10n.translate(element));

                          case 4:
                          case "end":
                            return _context4.stop();
                        }
                      }
                    }, _callee4, this);
                  }));

              function translate(_x4) {
                return _translate.apply(this, arguments);
              }

              return translate;
            }()
          }]);

          return GenericL10n;
        }();

    exports.GenericL10n = GenericL10n;

    /***/ }),
  /* 41 */
  /***/ (function(module, exports, __webpack_require__) {

    "use strict";


    document.webL10n = function (window, document, undefined) {
      var gL10nData = {};
      var gTextData = '';
      var gTextProp = 'textContent';
      var gLanguage = '';
      var gMacros = {};
      var gReadyState = 'loading';
      var gAsyncResourceLoading = true;

      function getL10nResourceLinks() {
        return document.querySelectorAll('link[type="application/l10n"]');
      }

      function getL10nDictionary() {
        var script = document.querySelector('script[type="application/l10n"]');
        return script ? JSON.parse(script.innerHTML) : null;
      }

      function getTranslatableChildren(element) {
        return element ? element.querySelectorAll('*[data-l10n-id]') : [];
      }

      function getL10nAttributes(element) {
        if (!element) return {};
        var l10nId = element.getAttribute('data-l10n-id');
        var l10nArgs = element.getAttribute('data-l10n-args');
        var args = {};

        if (l10nArgs) {
          try {
            args = JSON.parse(l10nArgs);
          } catch (e) {
            console.warn('could not parse arguments for #' + l10nId);
          }
        }

        return {
          id: l10nId,
          args: args
        };
      }

      function fireL10nReadyEvent(lang) {
        var evtObject = document.createEvent('Event');
        evtObject.initEvent('localized', true, false);
        evtObject.language = lang;
        document.dispatchEvent(evtObject);
      }

      function xhrLoadText(url, onSuccess, onFailure) {
        onSuccess = onSuccess || function _onSuccess(data) {};

        onFailure = onFailure || function _onFailure() {};

        var xhr = new XMLHttpRequest();
        xhr.open('GET', url, gAsyncResourceLoading);

        if (xhr.overrideMimeType) {
          xhr.overrideMimeType('text/plain; charset=utf-8');
        }

        xhr.onreadystatechange = function () {
          if (xhr.readyState == 4) {
            if (xhr.status == 200 || xhr.status === 0) {
              onSuccess(xhr.responseText);
            } else {
              onFailure();
            }
          }
        };

        xhr.onerror = onFailure;
        xhr.ontimeout = onFailure;

        try {
          xhr.send(null);
        } catch (e) {
          onFailure();
        }
      }

      function parseResource(href, lang, successCallback, failureCallback) {
        var baseURL = href.replace(/[^\/]*$/, '') || './';

        function evalString(text) {
          if (text.lastIndexOf('\\') < 0) return text;
          return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
        }

        function parseProperties(text, parsedPropertiesCallback) {
          var dictionary = {};
          var reBlank = /^\s*|\s*$/;
          var reComment = /^\s*#|^\s*$/;
          var reSection = /^\s*\[(.*)\]\s*$/;
          var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
          var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;

          function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
            var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
            var currentLang = '*';
            var genericLang = lang.split('-', 1)[0];
            var skipLang = false;
            var match = '';

            function nextEntry() {
              while (true) {
                if (!entries.length) {
                  parsedRawLinesCallback();
                  return;
                }

                var line = entries.shift();
                if (reComment.test(line)) continue;

                if (extendedSyntax) {
                  match = reSection.exec(line);

                  if (match) {
                    currentLang = match[1].toLowerCase();
                    skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
                    continue;
                  } else if (skipLang) {
                    continue;
                  }

                  match = reImport.exec(line);

                  if (match) {
                    loadImport(baseURL + match[1], nextEntry);
                    return;
                  }
                }

                var tmp = line.match(reSplit);

                if (tmp && tmp.length == 3) {
                  dictionary[tmp[1]] = evalString(tmp[2]);
                }
              }
            }

            nextEntry();
          }

          function loadImport(url, callback) {
            xhrLoadText(url, function (content) {
              parseRawLines(content, false, callback);
            }, function () {
              console.warn(url + ' not found.');
              callback();
            });
          }

          parseRawLines(text, true, function () {
            parsedPropertiesCallback(dictionary);
          });
        }

        xhrLoadText(href, function (response) {
          gTextData += response;
          parseProperties(response, function (data) {
            for (var key in data) {
              var id,
                  prop,
                  index = key.lastIndexOf('.');

              if (index > 0) {
                id = key.substring(0, index);
                prop = key.substring(index + 1);
              } else {
                id = key;
                prop = gTextProp;
              }

              if (!gL10nData[id]) {
                gL10nData[id] = {};
              }

              gL10nData[id][prop] = data[key];
            }

            if (successCallback) {
              successCallback();
            }
          });
        }, failureCallback);
      }

      function loadLocale(lang, callback) {
        if (lang) {
          lang = lang.toLowerCase();
        }

        callback = callback || function _callback() {};

        clear();
        gLanguage = lang;
        var langLinks = getL10nResourceLinks();
        var langCount = langLinks.length;

        if (langCount === 0) {
          var dict = getL10nDictionary();

          if (dict && dict.locales && dict.default_locale) {
            console.log('using the embedded JSON directory, early way out');
            gL10nData = dict.locales[lang];

            if (!gL10nData) {
              var defaultLocale = dict.default_locale.toLowerCase();

              for (var anyCaseLang in dict.locales) {
                anyCaseLang = anyCaseLang.toLowerCase();

                if (anyCaseLang === lang) {
                  gL10nData = dict.locales[lang];
                  break;
                } else if (anyCaseLang === defaultLocale) {
                  gL10nData = dict.locales[defaultLocale];
                }
              }
            }

            callback();
          } else {
            console.log('no resource to load, early way out');
          }

          fireL10nReadyEvent(lang);
          gReadyState = 'complete';
          return;
        }

        var onResourceLoaded = null;
        var gResourceCount = 0;

        onResourceLoaded = function onResourceLoaded() {
          gResourceCount++;

          if (gResourceCount >= langCount) {
            callback();
            fireL10nReadyEvent(lang);
            gReadyState = 'complete';
          }
        };

        function L10nResourceLink(link) {
          var href = link.href;

          this.load = function (lang, callback) {
            parseResource(href, lang, callback, function () {
              console.warn(href + ' not found.');
              console.warn('"' + lang + '" resource not found');
              gLanguage = '';
              callback();
            });
          };
        }

        for (var i = 0; i < langCount; i++) {
          var resource = new L10nResourceLink(langLinks[i]);
          resource.load(lang, onResourceLoaded);
        }
      }

      function clear() {
        gL10nData = {};
        gTextData = '';
        gLanguage = '';
      }

      function getPluralRules(lang) {
        var locales2rules = {
          'af': 3,
          'ak': 4,
          'am': 4,
          'ar': 1,
          'asa': 3,
          'az': 0,
          'be': 11,
          'bem': 3,
          'bez': 3,
          'bg': 3,
          'bh': 4,
          'bm': 0,
          'bn': 3,
          'bo': 0,
          'br': 20,
          'brx': 3,
          'bs': 11,
          'ca': 3,
          'cgg': 3,
          'chr': 3,
          'cs': 12,
          'cy': 17,
          'da': 3,
          'de': 3,
          'dv': 3,
          'dz': 0,
          'ee': 3,
          'el': 3,
          'en': 3,
          'eo': 3,
          'es': 3,
          'et': 3,
          'eu': 3,
          'fa': 0,
          'ff': 5,
          'fi': 3,
          'fil': 4,
          'fo': 3,
          'fr': 5,
          'fur': 3,
          'fy': 3,
          'ga': 8,
          'gd': 24,
          'gl': 3,
          'gsw': 3,
          'gu': 3,
          'guw': 4,
          'gv': 23,
          'ha': 3,
          'haw': 3,
          'he': 2,
          'hi': 4,
          'hr': 11,
          'hu': 0,
          'id': 0,
          'ig': 0,
          'ii': 0,
          'is': 3,
          'it': 3,
          'iu': 7,
          'ja': 0,
          'jmc': 3,
          'jv': 0,
          'ka': 0,
          'kab': 5,
          'kaj': 3,
          'kcg': 3,
          'kde': 0,
          'kea': 0,
          'kk': 3,
          'kl': 3,
          'km': 0,
          'kn': 0,
          'ko': 0,
          'ksb': 3,
          'ksh': 21,
          'ku': 3,
          'kw': 7,
          'lag': 18,
          'lb': 3,
          'lg': 3,
          'ln': 4,
          'lo': 0,
          'lt': 10,
          'lv': 6,
          'mas': 3,
          'mg': 4,
          'mk': 16,
          'ml': 3,
          'mn': 3,
          'mo': 9,
          'mr': 3,
          'ms': 0,
          'mt': 15,
          'my': 0,
          'nah': 3,
          'naq': 7,
          'nb': 3,
          'nd': 3,
          'ne': 3,
          'nl': 3,
          'nn': 3,
          'no': 3,
          'nr': 3,
          'nso': 4,
          'ny': 3,
          'nyn': 3,
          'om': 3,
          'or': 3,
          'pa': 3,
          'pap': 3,
          'pl': 13,
          'ps': 3,
          'pt': 3,
          'rm': 3,
          'ro': 9,
          'rof': 3,
          'ru': 11,
          'rwk': 3,
          'sah': 0,
          'saq': 3,
          'se': 7,
          'seh': 3,
          'ses': 0,
          'sg': 0,
          'sh': 11,
          'shi': 19,
          'sk': 12,
          'sl': 14,
          'sma': 7,
          'smi': 7,
          'smj': 7,
          'smn': 7,
          'sms': 7,
          'sn': 3,
          'so': 3,
          'sq': 3,
          'sr': 11,
          'ss': 3,
          'ssy': 3,
          'st': 3,
          'sv': 3,
          'sw': 3,
          'syr': 3,
          'ta': 3,
          'te': 3,
          'teo': 3,
          'th': 0,
          'ti': 4,
          'tig': 3,
          'tk': 3,
          'tl': 4,
          'tn': 3,
          'to': 0,
          'tr': 0,
          'ts': 3,
          'tzm': 22,
          'uk': 11,
          'ur': 3,
          've': 3,
          'vi': 0,
          'vun': 3,
          'wa': 4,
          'wae': 3,
          'wo': 0,
          'xh': 3,
          'xog': 3,
          'yo': 0,
          'zh': 0,
          'zu': 3
        };

        function isIn(n, list) {
          return list.indexOf(n) !== -1;
        }

        function isBetween(n, start, end) {
          return start <= n && n <= end;
        }

        var pluralRules = {
          '0': function _(n) {
            return 'other';
          },
          '1': function _(n) {
            if (isBetween(n % 100, 3, 10)) return 'few';
            if (n === 0) return 'zero';
            if (isBetween(n % 100, 11, 99)) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '2': function _(n) {
            if (n !== 0 && n % 10 === 0) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '3': function _(n) {
            if (n == 1) return 'one';
            return 'other';
          },
          '4': function _(n) {
            if (isBetween(n, 0, 1)) return 'one';
            return 'other';
          },
          '5': function _(n) {
            if (isBetween(n, 0, 2) && n != 2) return 'one';
            return 'other';
          },
          '6': function _(n) {
            if (n === 0) return 'zero';
            if (n % 10 == 1 && n % 100 != 11) return 'one';
            return 'other';
          },
          '7': function _(n) {
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '8': function _(n) {
            if (isBetween(n, 3, 6)) return 'few';
            if (isBetween(n, 7, 10)) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '9': function _(n) {
            if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
            if (n == 1) return 'one';
            return 'other';
          },
          '10': function _(n) {
            if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
            if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
            return 'other';
          },
          '11': function _(n) {
            if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
            if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
            if (n % 10 == 1 && n % 100 != 11) return 'one';
            return 'other';
          },
          '12': function _(n) {
            if (isBetween(n, 2, 4)) return 'few';
            if (n == 1) return 'one';
            return 'other';
          },
          '13': function _(n) {
            if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
            if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
            if (n == 1) return 'one';
            return 'other';
          },
          '14': function _(n) {
            if (isBetween(n % 100, 3, 4)) return 'few';
            if (n % 100 == 2) return 'two';
            if (n % 100 == 1) return 'one';
            return 'other';
          },
          '15': function _(n) {
            if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
            if (isBetween(n % 100, 11, 19)) return 'many';
            if (n == 1) return 'one';
            return 'other';
          },
          '16': function _(n) {
            if (n % 10 == 1 && n != 11) return 'one';
            return 'other';
          },
          '17': function _(n) {
            if (n == 3) return 'few';
            if (n === 0) return 'zero';
            if (n == 6) return 'many';
            if (n == 2) return 'two';
            if (n == 1) return 'one';
            return 'other';
          },
          '18': function _(n) {
            if (n === 0) return 'zero';
            if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
            return 'other';
          },
          '19': function _(n) {
            if (isBetween(n, 2, 10)) return 'few';
            if (isBetween(n, 0, 1)) return 'one';
            return 'other';
          },
          '20': function _(n) {
            if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
            if (n % 1000000 === 0 && n !== 0) return 'many';
            if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
            if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
            return 'other';
          },
          '21': function _(n) {
            if (n === 0) return 'zero';
            if (n == 1) return 'one';
            return 'other';
          },
          '22': function _(n) {
            if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
            return 'other';
          },
          '23': function _(n) {
            if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
            return 'other';
          },
          '24': function _(n) {
            if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
            if (isIn(n, [2, 12])) return 'two';
            if (isIn(n, [1, 11])) return 'one';
            return 'other';
          }
        };
        var index = locales2rules[lang.replace(/-.*$/, '')];

        if (!(index in pluralRules)) {
          console.warn('plural form unknown for [' + lang + ']');
          return function () {
            return 'other';
          };
        }

        return pluralRules[index];
      }

      gMacros.plural = function (str, param, key, prop) {
        var n = parseFloat(param);
        if (isNaN(n)) return str;
        if (prop != gTextProp) return str;

        if (!gMacros._pluralRules) {
          gMacros._pluralRules = getPluralRules(gLanguage);
        }

        var index = '[' + gMacros._pluralRules(n) + ']';

        if (n === 0 && key + '[zero]' in gL10nData) {
          str = gL10nData[key + '[zero]'][prop];
        } else if (n == 1 && key + '[one]' in gL10nData) {
          str = gL10nData[key + '[one]'][prop];
        } else if (n == 2 && key + '[two]' in gL10nData) {
          str = gL10nData[key + '[two]'][prop];
        } else if (key + index in gL10nData) {
          str = gL10nData[key + index][prop];
        } else if (key + '[other]' in gL10nData) {
          str = gL10nData[key + '[other]'][prop];
        }

        return str;
      };

      function getL10nData(key, args, fallback) {
        var data = gL10nData[key];

        if (!data) {
          console.warn('#' + key + ' is undefined.');

          if (!fallback) {
            return null;
          }

          data = fallback;
        }

        var rv = {};

        for (var prop in data) {
          var str = data[prop];
          str = substIndexes(str, args, key, prop);
          str = substArguments(str, args, key);
          rv[prop] = str;
        }

        return rv;
      }

      function substIndexes(str, args, key, prop) {
        var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
        var reMatch = reIndex.exec(str);
        if (!reMatch || !reMatch.length) return str;
        var macroName = reMatch[1];
        var paramName = reMatch[2];
        var param;

        if (args && paramName in args) {
          param = args[paramName];
        } else if (paramName in gL10nData) {
          param = gL10nData[paramName];
        }

        if (macroName in gMacros) {
          var macro = gMacros[macroName];
          str = macro(str, param, key, prop);
        }

        return str;
      }

      function substArguments(str, args, key) {
        var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
        return str.replace(reArgs, function (matched_text, arg) {
          if (args && arg in args) {
            return args[arg];
          }

          if (arg in gL10nData) {
            return gL10nData[arg];
          }

          console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
          return matched_text;
        });
      }

      function translateElement(element) {
        var l10n = getL10nAttributes(element);
        if (!l10n.id) return;
        var data = getL10nData(l10n.id, l10n.args);

        if (!data) {
          console.warn('#' + l10n.id + ' is undefined.');
          return;
        }

        if (data[gTextProp]) {
          if (getChildElementCount(element) === 0) {
            element[gTextProp] = data[gTextProp];
          } else {
            var children = element.childNodes;
            var found = false;

            for (var i = 0, l = children.length; i < l; i++) {
              if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
                if (found) {
                  children[i].nodeValue = '';
                } else {
                  children[i].nodeValue = data[gTextProp];
                  found = true;
                }
              }
            }

        if (!found) {
          var textNode = document.createTextNode(data[gTextProp]);
          element.insertBefore(textNode, element.firstChild);
        }
      }

      delete data[gTextProp];
    }

    for (var k in data) {
      element[k] = data[k];
    }
  }

  function getChildElementCount(element) {
    if (element.children) {
      return element.children.length;
    }

    if (typeof element.childElementCount !== 'undefined') {
      return element.childElementCount;
    }

    var count = 0;

    for (var i = 0; i < element.childNodes.length; i++) {
      count += element.nodeType === 1 ? 1 : 0;
    }

    return count;
  }

  function translateFragment(element) {
    element = element || document.documentElement;
    var children = getTranslatableChildren(element);
    var elementCount = children.length;

    for (var i = 0; i < elementCount; i++) {
      translateElement(children[i]);
    }

    translateElement(element);
  }

  return {
    get: function get(key, args, fallbackString) {
      var index = key.lastIndexOf('.');
      var prop = gTextProp;

      if (index > 0) {
        prop = key.substring(index + 1);
        key = key.substring(0, index);
      }

      var fallback;

      if (fallbackString) {
        fallback = {};
        fallback[prop] = fallbackString;
      }

      var data = getL10nData(key, args, fallback);

      if (data && prop in data) {
        return data[prop];
      }

      return '{{' + key + '}}';
    },
    getData: function getData() {
      return gL10nData;
    },
    getText: function getText() {
      return gTextData;
    },
    getLanguage: function getLanguage() {
      return gLanguage;
    },
    setLanguage: function setLanguage(lang, callback) {
      loadLocale(lang, function () {
        if (callback) callback();
      });
    },
    getDirection: function getDirection() {
      var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
      var shortCode = gLanguage.split('-', 1)[0];
      return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
    },
    translate: translateFragment,
    getReadyState: function getReadyState() {
      return gReadyState;
    },
    ready: function ready(callback) {
      if (!callback) {
        return;
      } else if (gReadyState == 'complete' || gReadyState == 'interactive') {
        window.setTimeout(function () {
          callback();
        });
      } else if (document.addEventListener) {
        document.addEventListener('localized', function once() {
          document.removeEventListener('localized', once);
          callback();
        });
      }
    }
  };
}(window, document);

/***/ }),
/* 42 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.PDFPrintService = PDFPrintService;

var _ui_utils = __webpack_require__(6);

var _app = __webpack_require__(1);

var _pdfjsLib = __webpack_require__(7);

var activeService = null;
var overlayManager = null;

function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size) {
  var scratchCanvas = activeService.scratchCanvas;
  var PRINT_RESOLUTION = 150;
  var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
  scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
  scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
  var width = Math.floor(size.width * _ui_utils.CSS_UNITS) + 'px';
  var height = Math.floor(size.height * _ui_utils.CSS_UNITS) + 'px';
  var ctx = scratchCanvas.getContext('2d');
  ctx.save();
  ctx.fillStyle = 'rgb(255, 255, 255)';
  ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
  ctx.restore();
  return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
    var renderContext = {
      canvasContext: ctx,
      transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
      viewport: pdfPage.getViewport({
        scale: 1,
        rotation: size.rotation
      }),
      intent: 'print'
    };
    return pdfPage.render(renderContext).promise;
  }).then(function () {
    return {
      width: width,
      height: height
    };
  });
}

function PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
  this.pdfDocument = pdfDocument;
  this.pagesOverview = pagesOverview;
  this.printContainer = printContainer;
  this.l10n = l10n || _ui_utils.NullL10n;
  this.disableCreateObjectURL = pdfDocument.loadingParams['disableCreateObjectURL'];
  this.currentPage = -1;
  this.scratchCanvas = document.createElement('canvas');
}

PDFPrintService.prototype = {
  layout: function layout() {
    this.throwIfInactive();
    var body = document.querySelector('body');
    body.setAttribute('data-pdfjsprinting', true);
    var hasEqualPageSizes = this.pagesOverview.every(function (size) {
      return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
    }, this);

    if (!hasEqualPageSizes) {
      console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!');
    }

    this.pageStyleSheet = document.createElement('style');
    var pageSize = this.pagesOverview[0];
    this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}';
    body.appendChild(this.pageStyleSheet);
  },
  destroy: function destroy() {
    if (activeService !== this) {
      return;
    }

    this.printContainer.textContent = '';

    if (this.pageStyleSheet) {
      this.pageStyleSheet.remove();
      this.pageStyleSheet = null;
    }

    this.scratchCanvas.width = this.scratchCanvas.height = 0;
    this.scratchCanvas = null;
    activeService = null;
    ensureOverlay().then(function () {
      if (overlayManager.active !== 'printServiceOverlay') {
        return;
      }

      overlayManager.close('printServiceOverlay');
    });
  },
  renderPages: function renderPages() {
    var _this = this;

    var pageCount = this.pagesOverview.length;

    var renderNextPage = function renderNextPage(resolve, reject) {
      _this.throwIfInactive();

      if (++_this.currentPage >= pageCount) {
        renderProgress(pageCount, pageCount, _this.l10n);
        resolve();
        return;
      }

      var index = _this.currentPage;
      renderProgress(index, pageCount, _this.l10n);
      renderPage(_this, _this.pdfDocument, index + 1, _this.pagesOverview[index]).then(_this.useRenderedPage.bind(_this)).then(function () {
        renderNextPage(resolve, reject);
      }, reject);
    };

    return new Promise(renderNextPage);
  },
  useRenderedPage: function useRenderedPage(printItem) {
    this.throwIfInactive();
    var img = document.createElement('img');
    img.style.width = printItem.width;
    img.style.height = printItem.height;
    var scratchCanvas = this.scratchCanvas;

    if ('toBlob' in scratchCanvas && !this.disableCreateObjectURL) {
      scratchCanvas.toBlob(function (blob) {
        img.src = _pdfjsLib.URL.createObjectURL(blob);
      });
    } else {
      img.src = scratchCanvas.toDataURL();
    }

    var wrapper = document.createElement('div');
    wrapper.appendChild(img);
    this.printContainer.appendChild(wrapper);
    return new Promise(function (resolve, reject) {
      img.onload = resolve;
      img.onerror = reject;
    });
  },
  performPrint: function performPrint() {
    var _this2 = this;

    this.throwIfInactive();
    return new Promise(function (resolve) {
      setTimeout(function () {
        if (!_this2.active) {
          resolve();
          return;
        }

        print.call(window);
        setTimeout(resolve, 20);
      }, 0);
    });
  },

  get active() {
    return this === activeService;
  },

  throwIfInactive: function throwIfInactive() {
    if (!this.active) {
      throw new Error('This print request was cancelled or completed.');
    }
  }
};
var print = window.print;

window.print = function print() {

  debugger;
  if (activeService) {
    console.warn('Ignored window.print() because of a pending print job.');
    return;
  }

  ensureOverlay().then(function () {
    if (activeService) {
      overlayManager.open('printServiceOverlay');
    }
  });

  try {
    dispatchEvent('beforeprint');
  } finally {
    if (!activeService) {
      console.error('Expected print service to be initialized.');
      ensureOverlay().then(function () {
        if (overlayManager.active === 'printServiceOverlay') {
          overlayManager.close('printServiceOverlay');
        }
      });
      return;
    }

    var activeServiceOnEntry = activeService;
    activeService.renderPages().then(function () {
      return activeServiceOnEntry.performPrint();
    }).catch(function () {}).then(function () {
      if (activeServiceOnEntry.active) {
        abort();
      }
    });
  }
};

function dispatchEvent(eventType) {
  var event = document.createEvent('CustomEvent');
  event.initCustomEvent(eventType, false, false, 'custom');
  window.dispatchEvent(event);
}

function abort() {
  if (activeService) {
    activeService.destroy();
    dispatchEvent('afterprint');
  }
}

function renderProgress(index, total, l10n) {
  var progressContainer = document.getElementById('printServiceOverlay');
  var progress = Math.round(100 * index / total);
  var progressBar = progressContainer.querySelector('progress');
  var progressPerc = progressContainer.querySelector('.relative-progress');
  progressBar.value = progress;
  l10n.get('print_progress_percent', {
    progress: progress
  }, progress + '%').then(function (msg) {
    progressPerc.textContent = msg;
  });
}

var hasAttachEvent = !!document.attachEvent;
window.addEventListener('keydown', function (event) {
  if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
    window.print();

    if (hasAttachEvent) {
      return;
    }

    event.preventDefault();

    if (event.stopImmediatePropagation) {
      event.stopImmediatePropagation();
    } else {
      event.stopPropagation();
    }

    return;
  }
}, true);

if (hasAttachEvent) {
  document.attachEvent('onkeydown', function (event) {
    event = event || window.event;

    if (event.keyCode === 80 && event.ctrlKey) {
      event.keyCode = 0;
      return false;
    }
  });
}

if ('onbeforeprint' in window) {
  var stopPropagationIfNeeded = function stopPropagationIfNeeded(event) {
    if (event.detail !== 'custom' && event.stopImmediatePropagation) {
      event.stopImmediatePropagation();
    }
  };

  window.addEventListener('beforeprint', stopPropagationIfNeeded);
  window.addEventListener('afterprint', stopPropagationIfNeeded);
}

var overlayPromise;

function ensureOverlay() {
  if (!overlayPromise) {
    overlayManager = _app.PDFViewerApplication.overlayManager;

    if (!overlayManager) {
      throw new Error('The overlay manager has not yet been initialized.');
    }

    overlayPromise = overlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
    document.getElementById('printCancel').onclick = abort;
  }

  return overlayPromise;
}

_app.PDFPrintServiceFactory.instance = {
  supportsPrinting: true,
  createPrintService: function createPrintService(pdfDocument, pagesOverview, printContainer, l10n) {
    if (activeService) {
      throw new Error('The print service is created and active.');
    }

    activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, l10n);
    return activeService;
  }
};

/***/ })
/******/ ]);
//# sourceMappingURL=viewer.js.map