2270 lines
75 KiB
JavaScript
2270 lines
75 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* globals PDFJS, PDFBug, FirefoxCom, Stats, Cache, ProgressBar,
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DownloadManager, getFileName, scrollIntoView, getPDFFileNameFromURL,
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PDFHistory, Preferences, SidebarView, ViewHistory, Stats,
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PDFThumbnailViewer, URL, noContextMenuHandler, SecondaryToolbar,
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PasswordPrompt, PresentationMode, HandTool, Promise,
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DocumentProperties, DocumentOutlineView, DocumentAttachmentsView,
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OverlayManager, PDFFindController, PDFFindBar, getVisibleElements,
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watchScroll, PDFViewer, PDFRenderingQueue, PresentationModeState,
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RenderingStates, DEFAULT_SCALE, UNKNOWN_SCALE,
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IGNORE_CURRENT_POSITION_ON_ZOOM: true */
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'use strict';
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var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
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var DEFAULT_SCALE_DELTA = 1.1;
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var MIN_SCALE = 0.25;
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var MAX_SCALE = 10.0;
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var VIEW_HISTORY_MEMORY = 20;
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var SCALE_SELECT_CONTAINER_PADDING = 8;
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var SCALE_SELECT_PADDING = 22;
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var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
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var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
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//#if B2G
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//PDFJS.useOnlyCssZoom = true;
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//PDFJS.disableTextLayer = true;
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//#endif
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PDFJS.imageResourcesPath = './images/';
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//#if (FIREFOX || MOZCENTRAL || B2G || GENERIC || CHROME)
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//PDFJS.workerSrc = '../build/pdf.worker.js';
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//#endif
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//#if !PRODUCTION
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PDFJS.cMapUrl = '../external/bcmaps/';
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PDFJS.cMapPacked = true;
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//#else
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//PDFJS.cMapUrl = '../web/cmaps/';
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//PDFJS.cMapPacked = true;
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//#endif
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var mozL10n = document.mozL10n || document.webL10n;
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//#include ui_utils.js
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//#include preferences.js
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//#if !(FIREFOX || MOZCENTRAL || B2G)
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//#include mozPrintCallback_polyfill.js
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//#endif
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//#if GENERIC || CHROME
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//#include download_manager.js
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//#endif
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//#if FIREFOX || MOZCENTRAL
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//#include firefoxcom.js
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//#endif
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//#if CHROME
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//#include chromecom.js
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//#endif
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//#include view_history.js
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//#include pdf_find_bar.js
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//#include pdf_find_controller.js
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//#include pdf_history.js
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//#include secondary_toolbar.js
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//#include presentation_mode.js
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//#include hand_tool.js
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//#include overlay_manager.js
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//#include password_prompt.js
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//#include document_properties.js
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//#include pdf_viewer.js
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//#include pdf_thumbnail_viewer.js
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var PDFViewerApplication = {
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initialBookmark: document.location.hash.substring(1),
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initialized: false,
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fellback: false,
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pdfDocument: null,
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sidebarOpen: false,
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printing: false,
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/** @type {PDFViewer} */
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pdfViewer: null,
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/** @type {PDFThumbnailViewer} */
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pdfThumbnailViewer: null,
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/** @type {PDFRenderingQueue} */
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pdfRenderingQueue: null,
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pageRotation: 0,
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updateScaleControls: true,
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isInitialViewSet: false,
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animationStartedPromise: null,
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mouseScrollTimeStamp: 0,
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mouseScrollDelta: 0,
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preferenceSidebarViewOnLoad: SidebarView.NONE,
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preferencePdfBugEnabled: false,
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isViewerEmbedded: (window.parent !== window),
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url: '',
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// called once when the document is loaded
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initialize: function pdfViewInitialize() {
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var pdfRenderingQueue = new PDFRenderingQueue();
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pdfRenderingQueue.onIdle = this.cleanup.bind(this);
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this.pdfRenderingQueue = pdfRenderingQueue;
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var container = document.getElementById('viewerContainer');
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var viewer = document.getElementById('viewer');
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this.pdfViewer = new PDFViewer({
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container: container,
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viewer: viewer,
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renderingQueue: pdfRenderingQueue,
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linkService: this
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});
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pdfRenderingQueue.setViewer(this.pdfViewer);
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var thumbnailContainer = document.getElementById('thumbnailView');
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this.pdfThumbnailViewer = new PDFThumbnailViewer({
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container: thumbnailContainer,
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renderingQueue: pdfRenderingQueue,
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linkService: this
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});
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pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
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Preferences.initialize();
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this.findController = new PDFFindController({
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pdfViewer: this.pdfViewer,
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integratedFind: this.supportsIntegratedFind
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});
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this.pdfViewer.setFindController(this.findController);
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this.findBar = new PDFFindBar({
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bar: document.getElementById('findbar'),
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toggleButton: document.getElementById('viewFind'),
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findField: document.getElementById('findInput'),
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highlightAllCheckbox: document.getElementById('findHighlightAll'),
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caseSensitiveCheckbox: document.getElementById('findMatchCase'),
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findMsg: document.getElementById('findMsg'),
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findStatusIcon: document.getElementById('findStatusIcon'),
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findPreviousButton: document.getElementById('findPrevious'),
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findNextButton: document.getElementById('findNext'),
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findController: this.findController
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});
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this.findController.setFindBar(this.findBar);
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HandTool.initialize({
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container: container,
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toggleHandTool: document.getElementById('toggleHandTool')
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});
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SecondaryToolbar.initialize({
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toolbar: document.getElementById('secondaryToolbar'),
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presentationMode: PresentationMode,
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toggleButton: document.getElementById('secondaryToolbarToggle'),
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presentationModeButton:
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document.getElementById('secondaryPresentationMode'),
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openFile: document.getElementById('secondaryOpenFile'),
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print: document.getElementById('secondaryPrint'),
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download: document.getElementById('secondaryDownload'),
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viewBookmark: document.getElementById('secondaryViewBookmark'),
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firstPage: document.getElementById('firstPage'),
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lastPage: document.getElementById('lastPage'),
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pageRotateCw: document.getElementById('pageRotateCw'),
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pageRotateCcw: document.getElementById('pageRotateCcw'),
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documentProperties: DocumentProperties,
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documentPropertiesButton: document.getElementById('documentProperties')
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});
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PresentationMode.initialize({
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container: container,
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secondaryToolbar: SecondaryToolbar,
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firstPage: document.getElementById('contextFirstPage'),
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lastPage: document.getElementById('contextLastPage'),
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pageRotateCw: document.getElementById('contextPageRotateCw'),
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pageRotateCcw: document.getElementById('contextPageRotateCcw')
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});
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PasswordPrompt.initialize({
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overlayName: 'passwordOverlay',
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passwordField: document.getElementById('password'),
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passwordText: document.getElementById('passwordText'),
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passwordSubmit: document.getElementById('passwordSubmit'),
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passwordCancel: document.getElementById('passwordCancel')
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});
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DocumentProperties.initialize({
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overlayName: 'documentPropertiesOverlay',
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closeButton: document.getElementById('documentPropertiesClose'),
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fileNameField: document.getElementById('fileNameField'),
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fileSizeField: document.getElementById('fileSizeField'),
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titleField: document.getElementById('titleField'),
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authorField: document.getElementById('authorField'),
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subjectField: document.getElementById('subjectField'),
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keywordsField: document.getElementById('keywordsField'),
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creationDateField: document.getElementById('creationDateField'),
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modificationDateField: document.getElementById('modificationDateField'),
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creatorField: document.getElementById('creatorField'),
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producerField: document.getElementById('producerField'),
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versionField: document.getElementById('versionField'),
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pageCountField: document.getElementById('pageCountField')
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});
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var self = this;
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var initializedPromise = Promise.all([
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Preferences.get('enableWebGL').then(function resolved(value) {
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PDFJS.disableWebGL = !value;
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}),
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Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
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self.preferenceSidebarViewOnLoad = value;
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}),
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Preferences.get('pdfBugEnabled').then(function resolved(value) {
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self.preferencePdfBugEnabled = value;
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}),
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Preferences.get('disableTextLayer').then(function resolved(value) {
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if (PDFJS.disableTextLayer === true) {
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return;
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}
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PDFJS.disableTextLayer = value;
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}),
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Preferences.get('disableRange').then(function resolved(value) {
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if (PDFJS.disableRange === true) {
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return;
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}
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PDFJS.disableRange = value;
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}),
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Preferences.get('disableAutoFetch').then(function resolved(value) {
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PDFJS.disableAutoFetch = value;
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}),
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Preferences.get('disableFontFace').then(function resolved(value) {
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if (PDFJS.disableFontFace === true) {
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return;
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}
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PDFJS.disableFontFace = value;
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}),
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Preferences.get('useOnlyCssZoom').then(function resolved(value) {
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PDFJS.useOnlyCssZoom = value;
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})
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// TODO move more preferences and other async stuff here
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]).catch(function (reason) { });
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return initializedPromise.then(function () {
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PDFViewerApplication.initialized = true;
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});
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},
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zoomIn: function pdfViewZoomIn(ticks) {
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var newScale = this.pdfViewer.currentScale;
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do {
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newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
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newScale = Math.ceil(newScale * 10) / 10;
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newScale = Math.min(MAX_SCALE, newScale);
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} while (--ticks && newScale < MAX_SCALE);
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this.setScale(newScale, true);
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},
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zoomOut: function pdfViewZoomOut(ticks) {
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var newScale = this.pdfViewer.currentScale;
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do {
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newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
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newScale = Math.floor(newScale * 10) / 10;
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newScale = Math.max(MIN_SCALE, newScale);
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} while (--ticks && newScale > MIN_SCALE);
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this.setScale(newScale, true);
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},
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get currentScaleValue() {
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return this.pdfViewer.currentScaleValue;
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},
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get pagesCount() {
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return this.pdfDocument.numPages;
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},
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set page(val) {
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this.pdfViewer.currentPageNumber = val;
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},
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get page() {
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return this.pdfViewer.currentPageNumber;
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},
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get supportsPrinting() {
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var canvas = document.createElement('canvas');
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var value = 'mozPrintCallback' in canvas;
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// shadow
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Object.defineProperty(this, 'supportsPrinting', { value: value,
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enumerable: true,
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configurable: true,
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writable: false });
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return value;
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},
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get supportsFullscreen() {
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var doc = document.documentElement;
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var support = doc.requestFullscreen || doc.mozRequestFullScreen ||
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doc.webkitRequestFullScreen || doc.msRequestFullscreen;
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if (document.fullscreenEnabled === false ||
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document.mozFullScreenEnabled === false ||
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document.webkitFullscreenEnabled === false ||
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document.msFullscreenEnabled === false) {
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support = false;
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}
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Object.defineProperty(this, 'supportsFullscreen', { value: support,
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enumerable: true,
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configurable: true,
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writable: false });
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return support;
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},
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get supportsIntegratedFind() {
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var support = false;
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//#if !(FIREFOX || MOZCENTRAL)
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//#else
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// support = FirefoxCom.requestSync('supportsIntegratedFind');
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//#endif
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Object.defineProperty(this, 'supportsIntegratedFind', { value: support,
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enumerable: true,
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configurable: true,
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writable: false });
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return support;
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},
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get supportsDocumentFonts() {
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var support = true;
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//#if !(FIREFOX || MOZCENTRAL)
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//#else
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// support = FirefoxCom.requestSync('supportsDocumentFonts');
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//#endif
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Object.defineProperty(this, 'supportsDocumentFonts', { value: support,
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enumerable: true,
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configurable: true,
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writable: false });
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return support;
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},
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get supportsDocumentColors() {
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var support = true;
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//#if !(FIREFOX || MOZCENTRAL)
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//#else
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// support = FirefoxCom.requestSync('supportsDocumentColors');
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//#endif
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Object.defineProperty(this, 'supportsDocumentColors', { value: support,
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enumerable: true,
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configurable: true,
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writable: false });
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return support;
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},
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get loadingBar() {
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var bar = new ProgressBar('#loadingBar', {});
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Object.defineProperty(this, 'loadingBar', { value: bar,
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enumerable: true,
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configurable: true,
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writable: false });
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return bar;
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},
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//#if (FIREFOX || MOZCENTRAL)
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initPassiveLoading: function pdfViewInitPassiveLoading() {
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function FirefoxComDataRangeTransport(length, initialData) {
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PDFJS.PDFDataRangeTransport.call(this, length, initialData);
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}
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FirefoxComDataRangeTransport.prototype =
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Object.create(PDFJS.PDFDataRangeTransport.prototype);
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FirefoxComDataRangeTransport.prototype.requestDataRange =
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function FirefoxComDataRangeTransport_requestDataRange(begin, end) {
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FirefoxCom.request('requestDataRange', { begin: begin, end: end });
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};
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var pdfDataRangeTransport;
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window.addEventListener('message', function windowMessage(e) {
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if (e.source !== null) {
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// The message MUST originate from Chrome code.
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console.warn('Rejected untrusted message from ' + e.origin);
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return;
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}
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var args = e.data;
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if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) {
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return;
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}
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switch (args.pdfjsLoadAction) {
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case 'supportsRangedLoading':
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pdfDataRangeTransport =
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new FirefoxComDataRangeTransport(args.length, args.data);
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PDFViewerApplication.open(args.pdfUrl, 0, undefined,
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pdfDataRangeTransport);
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if (args.length) {
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DocumentProperties.setFileSize(args.length);
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}
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break;
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case 'range':
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pdfDataRangeTransport.onDataRange(args.begin, args.chunk);
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break;
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case 'rangeProgress':
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pdfDataRangeTransport.onDataProgress(args.loaded);
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break;
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case 'progressiveRead':
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pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
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break;
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case 'progress':
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PDFViewerApplication.progress(args.loaded / args.total);
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break;
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case 'complete':
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if (!args.data) {
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PDFViewerApplication.error(mozL10n.get('loading_error', null,
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'An error occurred while loading the PDF.'), e);
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break;
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}
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PDFViewerApplication.open(args.data, 0);
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break;
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}
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});
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FirefoxCom.requestSync('initPassiveLoading', null);
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},
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//#endif
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setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
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this.url = url;
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try {
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this.setTitle(decodeURIComponent(getFileName(url)) || url);
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} catch (e) {
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// decodeURIComponent may throw URIError,
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// fall back to using the unprocessed url in that case
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this.setTitle(url);
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}
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},
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setTitle: function pdfViewSetTitle(title) {
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document.title = title;
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//#if B2G
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// document.getElementById('activityTitle').textContent = title;
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//#endif
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},
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close: function pdfViewClose() {
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var errorWrapper = document.getElementById('errorWrapper');
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errorWrapper.setAttribute('hidden', 'true');
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if (!this.pdfDocument) {
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return;
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}
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this.pdfDocument.destroy();
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|
this.pdfDocument = null;
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this.pdfThumbnailViewer.setDocument(null);
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this.pdfViewer.setDocument(null);
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|
if (typeof PDFBug !== 'undefined') {
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PDFBug.cleanup();
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|
}
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|
},
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|
|
|
// TODO(mack): This function signature should really be pdfViewOpen(url, args)
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|
open: function pdfViewOpen(file, scale, password,
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|
pdfDataRangeTransport, args) {
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|
if (this.pdfDocument) {
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|
// Reload the preferences if a document was previously opened.
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|
Preferences.reload();
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|
}
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|
this.close();
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|
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|
var parameters = {password: password};
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|
if (typeof file === 'string') { // URL
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|
this.setTitleUsingUrl(file);
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parameters.url = file;
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|
} else if (file && 'byteLength' in file) { // ArrayBuffer
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|
parameters.data = file;
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|
} else if (file.url && file.originalUrl) {
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this.setTitleUsingUrl(file.originalUrl);
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parameters.url = file.url;
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}
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if (args) {
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for (var prop in args) {
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parameters[prop] = args[prop];
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}
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}
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|
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var self = this;
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self.loading = true;
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self.downloadComplete = false;
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var passwordNeeded = function passwordNeeded(updatePassword, reason) {
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PasswordPrompt.updatePassword = updatePassword;
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PasswordPrompt.reason = reason;
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PasswordPrompt.open();
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};
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|
|
function getDocumentProgress(progressData) {
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self.progress(progressData.loaded / progressData.total);
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}
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PDFJS.getDocument(parameters, pdfDataRangeTransport, passwordNeeded,
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getDocumentProgress).then(
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function getDocumentCallback(pdfDocument) {
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self.load(pdfDocument, scale);
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|
self.loading = false;
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},
|
|
function getDocumentError(exception) {
|
|
var message = exception && exception.message;
|
|
var loadingErrorMessage = mozL10n.get('loading_error', null,
|
|
'An error occurred while loading the PDF.');
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|
|
|
if (exception instanceof PDFJS.InvalidPDFException) {
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|
// change error message also for other builds
|
|
loadingErrorMessage = mozL10n.get('invalid_file_error', null,
|
|
'Invalid or corrupted PDF file.');
|
|
} else if (exception instanceof PDFJS.MissingPDFException) {
|
|
// special message for missing PDF's
|
|
loadingErrorMessage = mozL10n.get('missing_file_error', null,
|
|
'Missing PDF file.');
|
|
} else if (exception instanceof PDFJS.UnexpectedResponseException) {
|
|
loadingErrorMessage = mozL10n.get('unexpected_response_error', null,
|
|
'Unexpected server response.');
|
|
}
|
|
//#if B2G
|
|
// window.alert(loadingErrorMessage);
|
|
// return window.close();
|
|
//#endif
|
|
|
|
var moreInfo = {
|
|
message: message
|
|
};
|
|
self.error(loadingErrorMessage, moreInfo);
|
|
self.loading = false;
|
|
}
|
|
);
|
|
|
|
if (args && args.length) {
|
|
DocumentProperties.setFileSize(args.length);
|
|
}
|
|
},
|
|
|
|
download: function pdfViewDownload() {
|
|
function downloadByUrl() {
|
|
downloadManager.downloadUrl(url, filename);
|
|
}
|
|
|
|
var url = this.url.split('#')[0];
|
|
var filename = getPDFFileNameFromURL(url);
|
|
var downloadManager = new DownloadManager();
|
|
downloadManager.onerror = function (err) {
|
|
// This error won't really be helpful because it's likely the
|
|
// fallback won't work either (or is already open).
|
|
PDFViewerApplication.error('PDF failed to download.');
|
|
};
|
|
|
|
if (!this.pdfDocument) { // the PDF is not ready yet
|
|
downloadByUrl();
|
|
return;
|
|
}
|
|
|
|
if (!this.downloadComplete) { // the PDF is still downloading
|
|
downloadByUrl();
|
|
return;
|
|
}
|
|
|
|
this.pdfDocument.getData().then(
|
|
function getDataSuccess(data) {
|
|
var blob = PDFJS.createBlob(data, 'application/pdf');
|
|
downloadManager.download(blob, url, filename);
|
|
},
|
|
downloadByUrl // Error occurred try downloading with just the url.
|
|
).then(null, downloadByUrl);
|
|
},
|
|
|
|
fallback: function pdfViewFallback(featureId) {
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
// return;
|
|
//#else
|
|
// // Only trigger the fallback once so we don't spam the user with messages
|
|
// // for one PDF.
|
|
// if (this.fellback)
|
|
// return;
|
|
// this.fellback = true;
|
|
// var url = this.url.split('#')[0];
|
|
// FirefoxCom.request('fallback', { featureId: featureId, url: url },
|
|
// function response(download) {
|
|
// if (!download) {
|
|
// return;
|
|
// }
|
|
// PDFViewerApplication.download();
|
|
// });
|
|
//#endif
|
|
},
|
|
|
|
navigateTo: function pdfViewNavigateTo(dest) {
|
|
var destString = '';
|
|
var self = this;
|
|
|
|
var goToDestination = function(destRef) {
|
|
self.pendingRefStr = null;
|
|
// dest array looks like that: <page-ref> </XYZ|FitXXX> <args..>
|
|
var pageNumber = destRef instanceof Object ?
|
|
self.pagesRefMap[destRef.num + ' ' + destRef.gen + ' R'] :
|
|
(destRef + 1);
|
|
if (pageNumber) {
|
|
if (pageNumber > self.pagesCount) {
|
|
pageNumber = self.pagesCount;
|
|
}
|
|
self.pdfViewer.scrollPageIntoView(pageNumber, dest);
|
|
|
|
// Update the browsing history.
|
|
PDFHistory.push({ dest: dest, hash: destString, page: pageNumber });
|
|
} else {
|
|
self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
|
|
var pageNum = pageIndex + 1;
|
|
self.pagesRefMap[destRef.num + ' ' + destRef.gen + ' R'] = pageNum;
|
|
goToDestination(destRef);
|
|
});
|
|
}
|
|
};
|
|
|
|
var destinationPromise;
|
|
if (typeof dest === 'string') {
|
|
destString = dest;
|
|
destinationPromise = this.pdfDocument.getDestination(dest);
|
|
} else {
|
|
destinationPromise = Promise.resolve(dest);
|
|
}
|
|
destinationPromise.then(function(destination) {
|
|
dest = destination;
|
|
if (!(destination instanceof Array)) {
|
|
return; // invalid destination
|
|
}
|
|
goToDestination(destination[0]);
|
|
});
|
|
},
|
|
|
|
executeNamedAction: function pdfViewExecuteNamedAction(action) {
|
|
// See PDF reference, table 8.45 - Named action
|
|
switch (action) {
|
|
case 'GoToPage':
|
|
document.getElementById('pageNumber').focus();
|
|
break;
|
|
|
|
case 'GoBack':
|
|
PDFHistory.back();
|
|
break;
|
|
|
|
case 'GoForward':
|
|
PDFHistory.forward();
|
|
break;
|
|
|
|
case 'Find':
|
|
if (!this.supportsIntegratedFind) {
|
|
this.findBar.toggle();
|
|
}
|
|
break;
|
|
|
|
case 'NextPage':
|
|
this.page++;
|
|
break;
|
|
|
|
case 'PrevPage':
|
|
this.page--;
|
|
break;
|
|
|
|
case 'LastPage':
|
|
this.page = this.pagesCount;
|
|
break;
|
|
|
|
case 'FirstPage':
|
|
this.page = 1;
|
|
break;
|
|
|
|
default:
|
|
break; // No action according to spec
|
|
}
|
|
},
|
|
|
|
getDestinationHash: function pdfViewGetDestinationHash(dest) {
|
|
if (typeof dest === 'string') {
|
|
return this.getAnchorUrl('#' + escape(dest));
|
|
}
|
|
if (dest instanceof Array) {
|
|
var destRef = dest[0]; // see navigateTo method for dest format
|
|
var pageNumber = destRef instanceof Object ?
|
|
this.pagesRefMap[destRef.num + ' ' + destRef.gen + ' R'] :
|
|
(destRef + 1);
|
|
if (pageNumber) {
|
|
var pdfOpenParams = this.getAnchorUrl('#page=' + pageNumber);
|
|
var destKind = dest[1];
|
|
if (typeof destKind === 'object' && 'name' in destKind &&
|
|
destKind.name === 'XYZ') {
|
|
var scale = (dest[4] || this.currentScaleValue);
|
|
var scaleNumber = parseFloat(scale);
|
|
if (scaleNumber) {
|
|
scale = scaleNumber * 100;
|
|
}
|
|
pdfOpenParams += '&zoom=' + scale;
|
|
if (dest[2] || dest[3]) {
|
|
pdfOpenParams += ',' + (dest[2] || 0) + ',' + (dest[3] || 0);
|
|
}
|
|
}
|
|
return pdfOpenParams;
|
|
}
|
|
}
|
|
return '';
|
|
},
|
|
|
|
/**
|
|
* Prefix the full url on anchor links to make sure that links are resolved
|
|
* relative to the current URL instead of the one defined in <base href>.
|
|
* @param {String} anchor The anchor hash, including the #.
|
|
*/
|
|
getAnchorUrl: function getAnchorUrl(anchor) {
|
|
//#if (GENERIC || B2G)
|
|
return anchor;
|
|
//#endif
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
// return this.url.split('#')[0] + anchor;
|
|
//#endif
|
|
//#if CHROME
|
|
// return location.href.split('#')[0] + anchor;
|
|
//#endif
|
|
},
|
|
|
|
/**
|
|
* Show the error box.
|
|
* @param {String} message A message that is human readable.
|
|
* @param {Object} moreInfo (optional) Further information about the error
|
|
* that is more technical. Should have a 'message'
|
|
* and optionally a 'stack' property.
|
|
*/
|
|
error: function pdfViewError(message, moreInfo) {
|
|
var moreInfoText = mozL10n.get('error_version_info',
|
|
{version: PDFJS.version || '?', build: PDFJS.build || '?'},
|
|
'PDF.js v{{version}} (build: {{build}})') + '\n';
|
|
if (moreInfo) {
|
|
moreInfoText +=
|
|
mozL10n.get('error_message', {message: moreInfo.message},
|
|
'Message: {{message}}');
|
|
if (moreInfo.stack) {
|
|
moreInfoText += '\n' +
|
|
mozL10n.get('error_stack', {stack: moreInfo.stack},
|
|
'Stack: {{stack}}');
|
|
} else {
|
|
if (moreInfo.filename) {
|
|
moreInfoText += '\n' +
|
|
mozL10n.get('error_file', {file: moreInfo.filename},
|
|
'File: {{file}}');
|
|
}
|
|
if (moreInfo.lineNumber) {
|
|
moreInfoText += '\n' +
|
|
mozL10n.get('error_line', {line: moreInfo.lineNumber},
|
|
'Line: {{line}}');
|
|
}
|
|
}
|
|
}
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
var errorWrapper = document.getElementById('errorWrapper');
|
|
errorWrapper.removeAttribute('hidden');
|
|
|
|
var errorMessage = document.getElementById('errorMessage');
|
|
errorMessage.textContent = message;
|
|
|
|
var closeButton = document.getElementById('errorClose');
|
|
closeButton.onclick = function() {
|
|
errorWrapper.setAttribute('hidden', 'true');
|
|
};
|
|
|
|
var errorMoreInfo = document.getElementById('errorMoreInfo');
|
|
var moreInfoButton = document.getElementById('errorShowMore');
|
|
var lessInfoButton = document.getElementById('errorShowLess');
|
|
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 = noContextMenuHandler;
|
|
lessInfoButton.oncontextmenu = noContextMenuHandler;
|
|
closeButton.oncontextmenu = noContextMenuHandler;
|
|
moreInfoButton.removeAttribute('hidden');
|
|
lessInfoButton.setAttribute('hidden', 'true');
|
|
errorMoreInfo.value = moreInfoText;
|
|
//#else
|
|
// console.error(message + '\n' + moreInfoText);
|
|
// this.fallback();
|
|
//#endif
|
|
},
|
|
|
|
progress: function pdfViewProgress(level) {
|
|
var percent = Math.round(level * 100);
|
|
// When we transition from full request to range requests, it's possible
|
|
// that we discard some of the loaded data. This can cause the loading
|
|
// bar to move backwards. So prevent this by only updating the bar if it
|
|
// increases.
|
|
if (percent > this.loadingBar.percent || isNaN(percent)) {
|
|
this.loadingBar.percent = percent;
|
|
|
|
// When disableAutoFetch is enabled, it's not uncommon for the entire file
|
|
// to never be fetched (depends on e.g. the file structure). In this case
|
|
// the loading bar will not be completely filled, nor will it be hidden.
|
|
// To prevent displaying a partially filled loading bar permanently, we
|
|
// hide it when no data has been loaded during a certain amount of time.
|
|
if (PDFJS.disableAutoFetch && percent) {
|
|
if (this.disableAutoFetchLoadingBarTimeout) {
|
|
clearTimeout(this.disableAutoFetchLoadingBarTimeout);
|
|
this.disableAutoFetchLoadingBarTimeout = null;
|
|
}
|
|
this.loadingBar.show();
|
|
|
|
this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
|
|
this.loadingBar.hide();
|
|
this.disableAutoFetchLoadingBarTimeout = null;
|
|
}.bind(this), DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
|
|
}
|
|
}
|
|
},
|
|
|
|
load: function pdfViewLoad(pdfDocument, scale) {
|
|
var self = this;
|
|
scale = scale || UNKNOWN_SCALE;
|
|
|
|
this.findController.reset();
|
|
|
|
this.pdfDocument = pdfDocument;
|
|
|
|
DocumentProperties.url = this.url;
|
|
DocumentProperties.pdfDocument = pdfDocument;
|
|
DocumentProperties.resolveDataAvailable();
|
|
|
|
var downloadedPromise = pdfDocument.getDownloadInfo().then(function() {
|
|
self.downloadComplete = true;
|
|
self.loadingBar.hide();
|
|
});
|
|
|
|
var pagesCount = pdfDocument.numPages;
|
|
document.getElementById('numPages').textContent =
|
|
mozL10n.get('page_of', {pageCount: pagesCount}, 'of {{pageCount}}');
|
|
document.getElementById('pageNumber').max = pagesCount;
|
|
|
|
var id = this.documentFingerprint = pdfDocument.fingerprint;
|
|
var store = this.store = new ViewHistory(id);
|
|
|
|
var pdfViewer = this.pdfViewer;
|
|
pdfViewer.currentScale = scale;
|
|
pdfViewer.setDocument(pdfDocument);
|
|
var firstPagePromise = pdfViewer.firstPagePromise;
|
|
var pagesPromise = pdfViewer.pagesPromise;
|
|
var onePageRendered = pdfViewer.onePageRendered;
|
|
|
|
this.pageRotation = 0;
|
|
this.isInitialViewSet = false;
|
|
this.pagesRefMap = pdfViewer.pagesRefMap;
|
|
|
|
this.pdfThumbnailViewer.setDocument(pdfDocument);
|
|
|
|
firstPagePromise.then(function(pdfPage) {
|
|
downloadedPromise.then(function () {
|
|
var event = document.createEvent('CustomEvent');
|
|
event.initCustomEvent('documentload', true, true, {});
|
|
window.dispatchEvent(event);
|
|
});
|
|
|
|
self.loadingBar.setWidth(document.getElementById('viewer'));
|
|
|
|
self.findController.resolveFirstPage();
|
|
|
|
if (!PDFJS.disableHistory && !self.isViewerEmbedded) {
|
|
// The browsing history is only enabled when the viewer is standalone,
|
|
// i.e. not when it is embedded in a web page.
|
|
PDFHistory.initialize(self.documentFingerprint, self);
|
|
}
|
|
});
|
|
|
|
// Fetch the necessary preference values.
|
|
var showPreviousViewOnLoad;
|
|
var showPreviousViewOnLoadPromise =
|
|
Preferences.get('showPreviousViewOnLoad').then(function (prefValue) {
|
|
showPreviousViewOnLoad = prefValue;
|
|
});
|
|
var defaultZoomValue;
|
|
var defaultZoomValuePromise =
|
|
Preferences.get('defaultZoomValue').then(function (prefValue) {
|
|
defaultZoomValue = prefValue;
|
|
});
|
|
|
|
var storePromise = store.initializedPromise;
|
|
Promise.all([firstPagePromise, storePromise, showPreviousViewOnLoadPromise,
|
|
defaultZoomValuePromise]).then(function resolved() {
|
|
var storedHash = null;
|
|
if (showPreviousViewOnLoad && store.get('exists', false)) {
|
|
var pageNum = store.get('page', '1');
|
|
var zoom = defaultZoomValue ||
|
|
store.get('zoom', self.pdfViewer.currentScale);
|
|
var left = store.get('scrollLeft', '0');
|
|
var top = store.get('scrollTop', '0');
|
|
|
|
storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' +
|
|
left + ',' + top;
|
|
} else if (defaultZoomValue) {
|
|
storedHash = 'page=1&zoom=' + defaultZoomValue;
|
|
}
|
|
self.setInitialView(storedHash, scale);
|
|
|
|
// Make all navigation keys work on document load,
|
|
// unless the viewer is embedded in a web page.
|
|
if (!self.isViewerEmbedded) {
|
|
self.pdfViewer.focus();
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
// self.pdfViewer.blur();
|
|
//#endif
|
|
}
|
|
}, function rejected(reason) {
|
|
console.error(reason);
|
|
|
|
firstPagePromise.then(function () {
|
|
self.setInitialView(null, scale);
|
|
});
|
|
});
|
|
|
|
pagesPromise.then(function() {
|
|
if (self.supportsPrinting) {
|
|
pdfDocument.getJavaScript().then(function(javaScript) {
|
|
if (javaScript.length) {
|
|
console.warn('Warning: JavaScript is not supported');
|
|
self.fallback(PDFJS.UNSUPPORTED_FEATURES.javaScript);
|
|
}
|
|
// Hack to support auto printing.
|
|
var regex = /\bprint\s*\(/g;
|
|
for (var i = 0, ii = javaScript.length; i < ii; i++) {
|
|
var js = javaScript[i];
|
|
if (js && regex.test(js)) {
|
|
setTimeout(function() {
|
|
window.print();
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
// outline depends on pagesRefMap
|
|
var promises = [pagesPromise, this.animationStartedPromise];
|
|
Promise.all(promises).then(function() {
|
|
pdfDocument.getOutline().then(function(outline) {
|
|
var outlineView = document.getElementById('outlineView');
|
|
self.outline = new DocumentOutlineView({
|
|
outline: outline,
|
|
outlineView: outlineView,
|
|
linkService: self
|
|
});
|
|
document.getElementById('viewOutline').disabled = !outline;
|
|
|
|
if (!outline && !outlineView.classList.contains('hidden')) {
|
|
self.switchSidebarView('thumbs');
|
|
}
|
|
if (outline &&
|
|
self.preferenceSidebarViewOnLoad === SidebarView.OUTLINE) {
|
|
self.switchSidebarView('outline', true);
|
|
}
|
|
});
|
|
pdfDocument.getAttachments().then(function(attachments) {
|
|
var attachmentsView = document.getElementById('attachmentsView');
|
|
self.attachments = new DocumentAttachmentsView({
|
|
attachments: attachments,
|
|
attachmentsView: attachmentsView
|
|
});
|
|
document.getElementById('viewAttachments').disabled = !attachments;
|
|
|
|
if (!attachments && !attachmentsView.classList.contains('hidden')) {
|
|
self.switchSidebarView('thumbs');
|
|
}
|
|
if (attachments &&
|
|
self.preferenceSidebarViewOnLoad === SidebarView.ATTACHMENTS) {
|
|
self.switchSidebarView('attachments', true);
|
|
}
|
|
});
|
|
});
|
|
|
|
if (self.preferenceSidebarViewOnLoad === SidebarView.THUMBS) {
|
|
Promise.all([firstPagePromise, onePageRendered]).then(function () {
|
|
self.switchSidebarView('thumbs', true);
|
|
});
|
|
}
|
|
|
|
pdfDocument.getMetadata().then(function(data) {
|
|
var info = data.info, metadata = data.metadata;
|
|
self.documentInfo = info;
|
|
self.metadata = metadata;
|
|
|
|
// Provides some basic debug information
|
|
console.log('PDF ' + pdfDocument.fingerprint + ' [' +
|
|
info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() +
|
|
' / ' + (info.Creator || '-').trim() + ']' +
|
|
' (PDF.js: ' + (PDFJS.version || '-') +
|
|
(!PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
|
|
|
|
var pdfTitle;
|
|
if (metadata && metadata.has('dc:title')) {
|
|
var title = metadata.get('dc:title');
|
|
// Ghostscript sometimes return 'Untitled', sets the title to 'Untitled'
|
|
if (title !== 'Untitled') {
|
|
pdfTitle = title;
|
|
}
|
|
}
|
|
|
|
if (!pdfTitle && info && info['Title']) {
|
|
pdfTitle = info['Title'];
|
|
}
|
|
|
|
if (pdfTitle) {
|
|
self.setTitle(pdfTitle + ' - ' + document.title);
|
|
}
|
|
|
|
if (info.IsAcroFormPresent) {
|
|
console.warn('Warning: AcroForm/XFA is not supported');
|
|
self.fallback(PDFJS.UNSUPPORTED_FEATURES.forms);
|
|
}
|
|
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
// var versionId = String(info.PDFFormatVersion).slice(-1) | 0;
|
|
// var generatorId = 0;
|
|
// var KNOWN_GENERATORS = ["acrobat distiller", "acrobat pdfwritter",
|
|
// "adobe livecycle", "adobe pdf library", "adobe photoshop", "ghostscript",
|
|
// "tcpdf", "cairo", "dvipdfm", "dvips", "pdftex", "pdfkit", "itext",
|
|
// "prince", "quarkxpress", "mac os x", "microsoft", "openoffice", "oracle",
|
|
// "luradocument", "pdf-xchange", "antenna house", "aspose.cells", "fpdf"];
|
|
// var generatorId = 0;
|
|
// if (info.Producer) {
|
|
// KNOWN_GENERATORS.some(function (generator, s, i) {
|
|
// if (generator.indexOf(s) < 0) {
|
|
// return false;
|
|
// }
|
|
// generatorId = i + 1;
|
|
// return true;
|
|
// }.bind(null, info.Producer.toLowerCase()));
|
|
// }
|
|
// var formType = !info.IsAcroFormPresent ? null : info.IsXFAPresent ?
|
|
// 'xfa' : 'acroform';
|
|
// FirefoxCom.request('reportTelemetry', JSON.stringify({
|
|
// type: 'documentInfo',
|
|
// version: versionId,
|
|
// generator: generatorId,
|
|
// formType: formType
|
|
// }));
|
|
//#endif
|
|
});
|
|
},
|
|
|
|
setInitialView: function pdfViewSetInitialView(storedHash, scale) {
|
|
this.isInitialViewSet = true;
|
|
|
|
// When opening a new file (when one is already loaded in the viewer):
|
|
// Reset 'currentPageNumber', since otherwise the page's scale will be wrong
|
|
// if 'currentPageNumber' is larger than the number of pages in the file.
|
|
document.getElementById('pageNumber').value =
|
|
this.pdfViewer.currentPageNumber = 1;
|
|
|
|
if (PDFHistory.initialDestination) {
|
|
this.navigateTo(PDFHistory.initialDestination);
|
|
PDFHistory.initialDestination = null;
|
|
} else if (this.initialBookmark) {
|
|
this.setHash(this.initialBookmark);
|
|
PDFHistory.push({ hash: this.initialBookmark }, !!this.initialBookmark);
|
|
this.initialBookmark = null;
|
|
} else if (storedHash) {
|
|
this.setHash(storedHash);
|
|
} else if (scale) {
|
|
this.setScale(scale, true);
|
|
this.page = 1;
|
|
}
|
|
|
|
if (this.pdfViewer.currentScale === UNKNOWN_SCALE) {
|
|
// Scale was not initialized: invalid bookmark or scale was not specified.
|
|
// Setting the default one.
|
|
this.setScale(DEFAULT_SCALE, true);
|
|
}
|
|
},
|
|
|
|
cleanup: function pdfViewCleanup() {
|
|
this.pdfViewer.cleanup();
|
|
this.pdfThumbnailViewer.cleanup();
|
|
this.pdfDocument.cleanup();
|
|
},
|
|
|
|
forceRendering: function pdfViewForceRendering() {
|
|
this.pdfRenderingQueue.printing = this.printing;
|
|
this.pdfRenderingQueue.isThumbnailViewEnabled = this.sidebarOpen;
|
|
this.pdfRenderingQueue.renderHighestPriority();
|
|
},
|
|
|
|
setHash: function pdfViewSetHash(hash) {
|
|
if (!this.isInitialViewSet) {
|
|
this.initialBookmark = hash;
|
|
return;
|
|
}
|
|
|
|
var validFitZoomValues = ['Fit','FitB','FitH','FitBH',
|
|
'FitV','FitBV','FitR'];
|
|
|
|
if (!hash) {
|
|
return;
|
|
}
|
|
|
|
if (hash.indexOf('=') >= 0) {
|
|
var params = this.parseQueryString(hash);
|
|
// borrowing syntax from "Parameters for Opening PDF Files"
|
|
if ('nameddest' in params) {
|
|
PDFHistory.updateNextHashParam(params.nameddest);
|
|
this.navigateTo(params.nameddest);
|
|
return;
|
|
}
|
|
var pageNumber, dest;
|
|
if ('page' in params) {
|
|
pageNumber = (params.page | 0) || 1;
|
|
}
|
|
if ('zoom' in params) {
|
|
var zoomArgs = params.zoom.split(','); // scale,left,top
|
|
// building destination array
|
|
|
|
// If the zoom value, it has to get divided by 100. If it is a string,
|
|
// it should stay as it is.
|
|
var zoomArg = zoomArgs[0];
|
|
var zoomArgNumber = parseFloat(zoomArg);
|
|
var destName = 'XYZ';
|
|
if (zoomArgNumber) {
|
|
zoomArg = zoomArgNumber / 100;
|
|
} else if (validFitZoomValues.indexOf(zoomArg) >= 0) {
|
|
destName = zoomArg;
|
|
}
|
|
dest = [null, { name: destName },
|
|
zoomArgs.length > 1 ? (zoomArgs[1] | 0) : null,
|
|
zoomArgs.length > 2 ? (zoomArgs[2] | 0) : null,
|
|
zoomArg];
|
|
}
|
|
if (dest) {
|
|
this.pdfViewer.scrollPageIntoView(pageNumber || this.page, dest);
|
|
} else if (pageNumber) {
|
|
this.page = pageNumber; // simple page
|
|
}
|
|
if ('pagemode' in params) {
|
|
if (params.pagemode === 'thumbs' || params.pagemode === 'bookmarks' ||
|
|
params.pagemode === 'attachments') {
|
|
this.switchSidebarView((params.pagemode === 'bookmarks' ?
|
|
'outline' : params.pagemode), true);
|
|
} else if (params.pagemode === 'none' && this.sidebarOpen) {
|
|
document.getElementById('sidebarToggle').click();
|
|
}
|
|
}
|
|
} else if (/^\d+$/.test(hash)) { // page number
|
|
this.page = hash;
|
|
} else { // named destination
|
|
PDFHistory.updateNextHashParam(unescape(hash));
|
|
this.navigateTo(unescape(hash));
|
|
}
|
|
},
|
|
|
|
switchSidebarView: function pdfViewSwitchSidebarView(view, openSidebar) {
|
|
if (openSidebar && !this.sidebarOpen) {
|
|
document.getElementById('sidebarToggle').click();
|
|
}
|
|
var thumbsView = document.getElementById('thumbnailView');
|
|
var outlineView = document.getElementById('outlineView');
|
|
var attachmentsView = document.getElementById('attachmentsView');
|
|
|
|
var thumbsButton = document.getElementById('viewThumbnail');
|
|
var outlineButton = document.getElementById('viewOutline');
|
|
var attachmentsButton = document.getElementById('viewAttachments');
|
|
|
|
switch (view) {
|
|
case 'thumbs':
|
|
var wasAnotherViewVisible = thumbsView.classList.contains('hidden');
|
|
|
|
thumbsButton.classList.add('toggled');
|
|
outlineButton.classList.remove('toggled');
|
|
attachmentsButton.classList.remove('toggled');
|
|
thumbsView.classList.remove('hidden');
|
|
outlineView.classList.add('hidden');
|
|
attachmentsView.classList.add('hidden');
|
|
|
|
this.forceRendering();
|
|
|
|
if (wasAnotherViewVisible) {
|
|
this.pdfThumbnailViewer.ensureThumbnailVisible(this.page);
|
|
}
|
|
break;
|
|
|
|
case 'outline':
|
|
thumbsButton.classList.remove('toggled');
|
|
outlineButton.classList.add('toggled');
|
|
attachmentsButton.classList.remove('toggled');
|
|
thumbsView.classList.add('hidden');
|
|
outlineView.classList.remove('hidden');
|
|
attachmentsView.classList.add('hidden');
|
|
|
|
if (outlineButton.getAttribute('disabled')) {
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case 'attachments':
|
|
thumbsButton.classList.remove('toggled');
|
|
outlineButton.classList.remove('toggled');
|
|
attachmentsButton.classList.add('toggled');
|
|
thumbsView.classList.add('hidden');
|
|
outlineView.classList.add('hidden');
|
|
attachmentsView.classList.remove('hidden');
|
|
|
|
if (attachmentsButton.getAttribute('disabled')) {
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
},
|
|
|
|
// Helper function to parse query string (e.g. ?param1=value&parm2=...).
|
|
parseQueryString: function pdfViewParseQueryString(query) {
|
|
var parts = query.split('&');
|
|
var params = {};
|
|
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;
|
|
},
|
|
|
|
beforePrint: function pdfViewSetupBeforePrint() {
|
|
if (!this.supportsPrinting) {
|
|
var printMessage = mozL10n.get('printing_not_supported', null,
|
|
'Warning: Printing is not fully supported by this browser.');
|
|
this.error(printMessage);
|
|
return;
|
|
}
|
|
|
|
var alertNotReady = false;
|
|
var i, ii;
|
|
if (!this.pagesCount) {
|
|
alertNotReady = true;
|
|
} else {
|
|
for (i = 0, ii = this.pagesCount; i < ii; ++i) {
|
|
if (!this.pdfViewer.getPageView(i).pdfPage) {
|
|
alertNotReady = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (alertNotReady) {
|
|
var notReadyMessage = mozL10n.get('printing_not_ready', null,
|
|
'Warning: The PDF is not fully loaded for printing.');
|
|
window.alert(notReadyMessage);
|
|
return;
|
|
}
|
|
|
|
this.printing = true;
|
|
this.forceRendering();
|
|
|
|
var body = document.querySelector('body');
|
|
body.setAttribute('data-mozPrintCallback', true);
|
|
for (i = 0, ii = this.pagesCount; i < ii; ++i) {
|
|
this.pdfViewer.getPageView(i).beforePrint();
|
|
}
|
|
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
// FirefoxCom.request('reportTelemetry', JSON.stringify({
|
|
// type: 'print'
|
|
// }));
|
|
//#endif
|
|
},
|
|
|
|
afterPrint: function pdfViewSetupAfterPrint() {
|
|
var div = document.getElementById('printContainer');
|
|
while (div.hasChildNodes()) {
|
|
div.removeChild(div.lastChild);
|
|
}
|
|
|
|
this.printing = false;
|
|
this.forceRendering();
|
|
},
|
|
|
|
setScale: function (value, resetAutoSettings) {
|
|
this.updateScaleControls = !!resetAutoSettings;
|
|
this.pdfViewer.currentScaleValue = value;
|
|
this.updateScaleControls = true;
|
|
},
|
|
|
|
rotatePages: function pdfViewRotatePages(delta) {
|
|
var pageNumber = this.page;
|
|
this.pageRotation = (this.pageRotation + 360 + delta) % 360;
|
|
this.pdfViewer.pagesRotation = this.pageRotation;
|
|
this.pdfThumbnailViewer.pagesRotation = this.pageRotation;
|
|
|
|
this.forceRendering();
|
|
|
|
this.pdfViewer.scrollPageIntoView(pageNumber);
|
|
},
|
|
|
|
/**
|
|
* This function flips the page in presentation mode if the user scrolls up
|
|
* or down with large enough motion and prevents page flipping too often.
|
|
*
|
|
* @this {PDFView}
|
|
* @param {number} mouseScrollDelta The delta value from the mouse event.
|
|
*/
|
|
mouseScroll: function pdfViewMouseScroll(mouseScrollDelta) {
|
|
var MOUSE_SCROLL_COOLDOWN_TIME = 50;
|
|
|
|
var currentTime = (new Date()).getTime();
|
|
var storedTime = this.mouseScrollTimeStamp;
|
|
|
|
// In case one page has already been flipped there is a cooldown time
|
|
// which has to expire before next page can be scrolled on to.
|
|
if (currentTime > storedTime &&
|
|
currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
|
|
return;
|
|
}
|
|
|
|
// In case the user decides to scroll to the opposite direction than before
|
|
// clear the accumulated delta.
|
|
if ((this.mouseScrollDelta > 0 && mouseScrollDelta < 0) ||
|
|
(this.mouseScrollDelta < 0 && mouseScrollDelta > 0)) {
|
|
this.clearMouseScrollState();
|
|
}
|
|
|
|
this.mouseScrollDelta += mouseScrollDelta;
|
|
|
|
var PAGE_FLIP_THRESHOLD = 120;
|
|
if (Math.abs(this.mouseScrollDelta) >= PAGE_FLIP_THRESHOLD) {
|
|
|
|
var PageFlipDirection = {
|
|
UP: -1,
|
|
DOWN: 1
|
|
};
|
|
|
|
// In presentation mode scroll one page at a time.
|
|
var pageFlipDirection = (this.mouseScrollDelta > 0) ?
|
|
PageFlipDirection.UP :
|
|
PageFlipDirection.DOWN;
|
|
this.clearMouseScrollState();
|
|
var currentPage = this.page;
|
|
|
|
// In case we are already on the first or the last page there is no need
|
|
// to do anything.
|
|
if ((currentPage === 1 && pageFlipDirection === PageFlipDirection.UP) ||
|
|
(currentPage === this.pagesCount &&
|
|
pageFlipDirection === PageFlipDirection.DOWN)) {
|
|
return;
|
|
}
|
|
|
|
this.page += pageFlipDirection;
|
|
this.mouseScrollTimeStamp = currentTime;
|
|
}
|
|
},
|
|
|
|
/**
|
|
* This function clears the member attributes used with mouse scrolling in
|
|
* presentation mode.
|
|
*
|
|
* @this {PDFView}
|
|
*/
|
|
clearMouseScrollState: function pdfViewClearMouseScrollState() {
|
|
this.mouseScrollTimeStamp = 0;
|
|
this.mouseScrollDelta = 0;
|
|
}
|
|
};
|
|
//#if GENERIC
|
|
window.PDFView = PDFViewerApplication; // obsolete name, using it as an alias
|
|
//#endif
|
|
|
|
//#include document_outline_view.js
|
|
//#include document_attachments_view.js
|
|
|
|
//#if CHROME
|
|
//(function rewriteUrlClosure() {
|
|
// // Run this code outside DOMContentLoaded to make sure that the URL
|
|
// // is rewritten as soon as possible.
|
|
// var queryString = document.location.search.slice(1);
|
|
// var params = PDFViewerApplication.parseQueryString(queryString);
|
|
// DEFAULT_URL = params.file || '';
|
|
//
|
|
// // Example: chrome-extension://.../http://example.com/file.pdf
|
|
// var humanReadableUrl = '/' + DEFAULT_URL + location.hash;
|
|
// history.replaceState(history.state, '', humanReadableUrl);
|
|
// if (top === window) {
|
|
// chrome.runtime.sendMessage('showPageAction');
|
|
// }
|
|
//})();
|
|
//#endif
|
|
|
|
function webViewerLoad(evt) {
|
|
PDFViewerApplication.initialize().then(webViewerInitialized);
|
|
}
|
|
|
|
function webViewerInitialized() {
|
|
//#if (GENERIC || B2G)
|
|
var queryString = document.location.search.substring(1);
|
|
var params = PDFViewerApplication.parseQueryString(queryString);
|
|
var file = 'file' in params ? params.file : DEFAULT_URL;
|
|
//#endif
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
//var file = window.location.href.split('#')[0];
|
|
//#endif
|
|
//#if CHROME
|
|
//var file = DEFAULT_URL;
|
|
//#endif
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL || CHROME || B2G)
|
|
var fileInput = document.createElement('input');
|
|
fileInput.id = 'fileInput';
|
|
fileInput.className = 'fileInput';
|
|
fileInput.setAttribute('type', 'file');
|
|
fileInput.oncontextmenu = noContextMenuHandler;
|
|
document.body.appendChild(fileInput);
|
|
|
|
if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
|
|
document.getElementById('openFile').setAttribute('hidden', 'true');
|
|
document.getElementById('secondaryOpenFile').setAttribute('hidden', 'true');
|
|
} else {
|
|
document.getElementById('fileInput').value = null;
|
|
}
|
|
//#else
|
|
//document.getElementById('openFile').setAttribute('hidden', 'true');
|
|
//document.getElementById('secondaryOpenFile').setAttribute('hidden', 'true');
|
|
//#endif
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
var locale = PDFJS.locale || navigator.language;
|
|
//#endif
|
|
|
|
//#if !PRODUCTION
|
|
if (true) {
|
|
//#else
|
|
//if (PDFViewerApplication.preferencePdfBugEnabled) {
|
|
//#endif
|
|
// Special debugging flags in the hash section of the URL.
|
|
var hash = document.location.hash.substring(1);
|
|
var hashParams = PDFViewerApplication.parseQueryString(hash);
|
|
|
|
if ('disableworker' in hashParams) {
|
|
PDFJS.disableWorker = (hashParams['disableworker'] === 'true');
|
|
}
|
|
if ('disablerange' in hashParams) {
|
|
PDFJS.disableRange = (hashParams['disablerange'] === 'true');
|
|
}
|
|
if ('disablestream' in hashParams) {
|
|
PDFJS.disableStream = (hashParams['disablestream'] === 'true');
|
|
}
|
|
if ('disableautofetch' in hashParams) {
|
|
PDFJS.disableAutoFetch = (hashParams['disableautofetch'] === 'true');
|
|
}
|
|
if ('disablefontface' in hashParams) {
|
|
PDFJS.disableFontFace = (hashParams['disablefontface'] === 'true');
|
|
}
|
|
if ('disablehistory' in hashParams) {
|
|
PDFJS.disableHistory = (hashParams['disablehistory'] === 'true');
|
|
}
|
|
if ('webgl' in hashParams) {
|
|
PDFJS.disableWebGL = (hashParams['webgl'] !== 'true');
|
|
}
|
|
if ('useonlycsszoom' in hashParams) {
|
|
PDFJS.useOnlyCssZoom = (hashParams['useonlycsszoom'] === 'true');
|
|
}
|
|
if ('verbosity' in hashParams) {
|
|
PDFJS.verbosity = hashParams['verbosity'] | 0;
|
|
}
|
|
if ('ignorecurrentpositiononzoom' in hashParams) {
|
|
IGNORE_CURRENT_POSITION_ON_ZOOM =
|
|
(hashParams['ignorecurrentpositiononzoom'] === 'true');
|
|
}
|
|
//#if !PRODUCTION
|
|
if ('disablebcmaps' in hashParams && hashParams['disablebcmaps']) {
|
|
PDFJS.cMapUrl = '../external/cmaps/';
|
|
PDFJS.cMapPacked = false;
|
|
}
|
|
//#endif
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
if ('locale' in hashParams) {
|
|
locale = hashParams['locale'];
|
|
}
|
|
//#endif
|
|
if ('textlayer' in hashParams) {
|
|
switch (hashParams['textlayer']) {
|
|
case 'off':
|
|
PDFJS.disableTextLayer = true;
|
|
break;
|
|
case 'visible':
|
|
case 'shadow':
|
|
case 'hover':
|
|
var viewer = document.getElementById('viewer');
|
|
viewer.classList.add('textLayer-' + hashParams['textlayer']);
|
|
break;
|
|
}
|
|
}
|
|
if ('pdfbug' in hashParams) {
|
|
PDFJS.pdfBug = true;
|
|
var pdfBug = hashParams['pdfbug'];
|
|
var enabled = pdfBug.split(',');
|
|
PDFBug.enable(enabled);
|
|
PDFBug.init();
|
|
}
|
|
}
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
mozL10n.setLanguage(locale);
|
|
//#endif
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
//if (!PDFViewerApplication.supportsDocumentFonts) {
|
|
// PDFJS.disableFontFace = true;
|
|
// console.warn(mozL10n.get('web_fonts_disabled', null,
|
|
// 'Web fonts are disabled: unable to use embedded PDF fonts.'));
|
|
//}
|
|
//#endif
|
|
|
|
if (!PDFViewerApplication.supportsPrinting) {
|
|
document.getElementById('print').classList.add('hidden');
|
|
document.getElementById('secondaryPrint').classList.add('hidden');
|
|
}
|
|
|
|
if (!PDFViewerApplication.supportsFullscreen) {
|
|
document.getElementById('presentationMode').classList.add('hidden');
|
|
document.getElementById('secondaryPresentationMode').
|
|
classList.add('hidden');
|
|
}
|
|
|
|
if (PDFViewerApplication.supportsIntegratedFind) {
|
|
document.getElementById('viewFind').classList.add('hidden');
|
|
}
|
|
|
|
// Listen for unsupported features to trigger the fallback UI.
|
|
PDFJS.UnsupportedManager.listen(
|
|
PDFViewerApplication.fallback.bind(PDFViewerApplication));
|
|
|
|
// Suppress context menus for some controls
|
|
document.getElementById('scaleSelect').oncontextmenu = noContextMenuHandler;
|
|
|
|
var mainContainer = document.getElementById('mainContainer');
|
|
var outerContainer = document.getElementById('outerContainer');
|
|
mainContainer.addEventListener('transitionend', function(e) {
|
|
if (e.target === mainContainer) {
|
|
var event = document.createEvent('UIEvents');
|
|
event.initUIEvent('resize', false, false, window, 0);
|
|
window.dispatchEvent(event);
|
|
outerContainer.classList.remove('sidebarMoving');
|
|
}
|
|
}, true);
|
|
|
|
document.getElementById('sidebarToggle').addEventListener('click',
|
|
function() {
|
|
this.classList.toggle('toggled');
|
|
outerContainer.classList.add('sidebarMoving');
|
|
outerContainer.classList.toggle('sidebarOpen');
|
|
PDFViewerApplication.sidebarOpen =
|
|
outerContainer.classList.contains('sidebarOpen');
|
|
PDFViewerApplication.forceRendering();
|
|
});
|
|
|
|
document.getElementById('viewThumbnail').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.switchSidebarView('thumbs');
|
|
});
|
|
|
|
document.getElementById('viewOutline').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.switchSidebarView('outline');
|
|
});
|
|
|
|
document.getElementById('viewAttachments').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.switchSidebarView('attachments');
|
|
});
|
|
|
|
document.getElementById('previous').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.page--;
|
|
});
|
|
|
|
document.getElementById('next').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.page++;
|
|
});
|
|
|
|
document.getElementById('zoomIn').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.zoomIn();
|
|
});
|
|
|
|
document.getElementById('zoomOut').addEventListener('click',
|
|
function() {
|
|
PDFViewerApplication.zoomOut();
|
|
});
|
|
|
|
document.getElementById('pageNumber').addEventListener('click', function() {
|
|
this.select();
|
|
});
|
|
|
|
document.getElementById('pageNumber').addEventListener('change', function() {
|
|
// Handle the user inputting a floating point number.
|
|
PDFViewerApplication.page = (this.value | 0);
|
|
|
|
if (this.value !== (this.value | 0).toString()) {
|
|
this.value = PDFViewerApplication.page;
|
|
}
|
|
});
|
|
|
|
document.getElementById('scaleSelect').addEventListener('change',
|
|
function() {
|
|
PDFViewerApplication.setScale(this.value, false);
|
|
});
|
|
|
|
document.getElementById('presentationMode').addEventListener('click',
|
|
SecondaryToolbar.presentationModeClick.bind(SecondaryToolbar));
|
|
|
|
document.getElementById('openFile').addEventListener('click',
|
|
SecondaryToolbar.openFileClick.bind(SecondaryToolbar));
|
|
|
|
document.getElementById('print').addEventListener('click',
|
|
SecondaryToolbar.printClick.bind(SecondaryToolbar));
|
|
|
|
document.getElementById('download').addEventListener('click',
|
|
SecondaryToolbar.downloadClick.bind(SecondaryToolbar));
|
|
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
//PDFViewerApplication.setTitleUsingUrl(file);
|
|
//PDFViewerApplication.initPassiveLoading();
|
|
//return;
|
|
//#endif
|
|
|
|
//#if GENERIC
|
|
if (file && file.lastIndexOf('file:', 0) === 0) {
|
|
// file:-scheme. Load the contents in the main thread because QtWebKit
|
|
// cannot load file:-URLs in a Web Worker. file:-URLs are usually loaded
|
|
// very quickly, so there is no need to set up progress event listeners.
|
|
PDFViewerApplication.setTitleUsingUrl(file);
|
|
var xhr = new XMLHttpRequest();
|
|
xhr.onload = function() {
|
|
PDFViewerApplication.open(new Uint8Array(xhr.response), 0);
|
|
};
|
|
try {
|
|
xhr.open('GET', file);
|
|
xhr.responseType = 'arraybuffer';
|
|
xhr.send();
|
|
} catch (e) {
|
|
PDFViewerApplication.error(mozL10n.get('loading_error', null,
|
|
'An error occurred while loading the PDF.'), e);
|
|
}
|
|
return;
|
|
}
|
|
//#endif
|
|
|
|
//#if !B2G && !CHROME
|
|
if (file) {
|
|
PDFViewerApplication.open(file, 0);
|
|
}
|
|
//#endif
|
|
//#if CHROME
|
|
//if (file) {
|
|
// ChromeCom.openPDFFile(file);
|
|
//}
|
|
//#endif
|
|
}
|
|
|
|
document.addEventListener('DOMContentLoaded', webViewerLoad, true);
|
|
|
|
document.addEventListener('pagerendered', function (e) {
|
|
var pageNumber = e.detail.pageNumber;
|
|
var pageIndex = pageNumber - 1;
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
|
|
var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.
|
|
getThumbnail(pageIndex);
|
|
thumbnailView.setImage(pageView);
|
|
|
|
if (PDFJS.pdfBug && Stats.enabled && pageView.stats) {
|
|
Stats.add(pageNumber, pageView.stats);
|
|
}
|
|
|
|
if (pageView.error) {
|
|
PDFViewerApplication.error(mozL10n.get('rendering_error', null,
|
|
'An error occurred while rendering the page.'), pageView.error);
|
|
}
|
|
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
//FirefoxCom.request('reportTelemetry', JSON.stringify({
|
|
// type: 'pageInfo'
|
|
//}));
|
|
//// It is a good time to report stream and font types
|
|
//PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
|
|
// FirefoxCom.request('reportTelemetry', JSON.stringify({
|
|
// type: 'documentStats',
|
|
// stats: stats
|
|
// }));
|
|
//});
|
|
//#endif
|
|
|
|
// If the page is still visible when it has finished rendering,
|
|
// ensure that the page number input loading indicator is hidden.
|
|
if (pageNumber === PDFViewerApplication.page) {
|
|
var pageNumberInput = document.getElementById('pageNumber');
|
|
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
|
|
}
|
|
}, true);
|
|
|
|
document.addEventListener('textlayerrendered', function (e) {
|
|
var pageIndex = e.detail.pageNumber - 1;
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
|
|
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
//if (pageView.textLayer && pageView.textLayer.textDivs &&
|
|
// pageView.textLayer.textDivs.length > 0 &&
|
|
// !PDFViewerApplication.supportsDocumentColors) {
|
|
// console.error(mozL10n.get('document_colors_disabled', null,
|
|
// 'PDF documents are not allowed to use their own colors: ' +
|
|
// '\'Allow pages to choose their own colors\' ' +
|
|
// 'is deactivated in the browser.'));
|
|
// PDFViewerApplication.fallback();
|
|
//}
|
|
//#endif
|
|
}, true);
|
|
|
|
window.addEventListener('presentationmodechanged', function (e) {
|
|
var active = e.detail.active;
|
|
var switchInProgress = e.detail.switchInProgress;
|
|
PDFViewerApplication.pdfViewer.presentationModeState =
|
|
switchInProgress ? PresentationModeState.CHANGING :
|
|
active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL;
|
|
});
|
|
|
|
function updateViewarea() {
|
|
if (!PDFViewerApplication.initialized) {
|
|
return;
|
|
}
|
|
PDFViewerApplication.pdfViewer.update();
|
|
}
|
|
|
|
window.addEventListener('updateviewarea', function () {
|
|
if (!PDFViewerApplication.initialized) {
|
|
return;
|
|
}
|
|
|
|
var location = PDFViewerApplication.pdfViewer.location;
|
|
|
|
PDFViewerApplication.store.initializedPromise.then(function() {
|
|
PDFViewerApplication.store.setMultiple({
|
|
'exists': true,
|
|
'page': location.pageNumber,
|
|
'zoom': location.scale,
|
|
'scrollLeft': location.left,
|
|
'scrollTop': location.top
|
|
}).catch(function() {
|
|
// unable to write to storage
|
|
});
|
|
});
|
|
var href = PDFViewerApplication.getAnchorUrl(location.pdfOpenParams);
|
|
document.getElementById('viewBookmark').href = href;
|
|
document.getElementById('secondaryViewBookmark').href = href;
|
|
|
|
// Update the current bookmark in the browsing history.
|
|
PDFHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber);
|
|
|
|
// Show/hide the loading indicator in the page number input element.
|
|
var pageNumberInput = document.getElementById('pageNumber');
|
|
var currentPage =
|
|
PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
|
|
|
|
if (currentPage.renderingState === RenderingStates.FINISHED) {
|
|
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
|
|
} else {
|
|
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
|
|
}
|
|
}, true);
|
|
|
|
window.addEventListener('resize', function webViewerResize(evt) {
|
|
if (PDFViewerApplication.initialized &&
|
|
(document.getElementById('pageWidthOption').selected ||
|
|
document.getElementById('pageFitOption').selected ||
|
|
document.getElementById('pageAutoOption').selected)) {
|
|
var selectedScale = document.getElementById('scaleSelect').value;
|
|
PDFViewerApplication.setScale(selectedScale, false);
|
|
}
|
|
updateViewarea();
|
|
|
|
// Set the 'max-height' CSS property of the secondary toolbar.
|
|
SecondaryToolbar.setMaxHeight(document.getElementById('viewerContainer'));
|
|
});
|
|
|
|
window.addEventListener('hashchange', function webViewerHashchange(evt) {
|
|
if (PDFHistory.isHashChangeUnlocked) {
|
|
PDFViewerApplication.setHash(document.location.hash.substring(1));
|
|
}
|
|
});
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL || CHROME)
|
|
window.addEventListener('change', function webViewerChange(evt) {
|
|
var files = evt.target.files;
|
|
if (!files || files.length === 0) {
|
|
return;
|
|
}
|
|
var file = files[0];
|
|
|
|
if (!PDFJS.disableCreateObjectURL &&
|
|
typeof URL !== 'undefined' && URL.createObjectURL) {
|
|
PDFViewerApplication.open(URL.createObjectURL(file), 0);
|
|
} else {
|
|
// Read the local file into a Uint8Array.
|
|
var fileReader = new FileReader();
|
|
fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
|
|
var buffer = evt.target.result;
|
|
var uint8Array = new Uint8Array(buffer);
|
|
PDFViewerApplication.open(uint8Array, 0);
|
|
};
|
|
fileReader.readAsArrayBuffer(file);
|
|
}
|
|
|
|
PDFViewerApplication.setTitleUsingUrl(file.name);
|
|
|
|
// URL does not reflect proper document location - hiding some icons.
|
|
document.getElementById('viewBookmark').setAttribute('hidden', 'true');
|
|
document.getElementById('secondaryViewBookmark').
|
|
setAttribute('hidden', 'true');
|
|
document.getElementById('download').setAttribute('hidden', 'true');
|
|
document.getElementById('secondaryDownload').setAttribute('hidden', 'true');
|
|
}, true);
|
|
//#endif
|
|
|
|
function selectScaleOption(value) {
|
|
var options = document.getElementById('scaleSelect').options;
|
|
var predefinedValueFound = false;
|
|
for (var i = 0; i < options.length; i++) {
|
|
var option = options[i];
|
|
if (option.value !== value) {
|
|
option.selected = false;
|
|
continue;
|
|
}
|
|
option.selected = true;
|
|
predefinedValueFound = true;
|
|
}
|
|
return predefinedValueFound;
|
|
}
|
|
|
|
window.addEventListener('localized', function localized(evt) {
|
|
document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
|
|
|
|
PDFViewerApplication.animationStartedPromise.then(function() {
|
|
// Adjust the width of the zoom box to fit the content.
|
|
// Note: If the window is narrow enough that the zoom box is not visible,
|
|
// we temporarily show it to be able to adjust its width.
|
|
var container = document.getElementById('scaleSelectContainer');
|
|
if (container.clientWidth === 0) {
|
|
container.setAttribute('style', 'display: inherit;');
|
|
}
|
|
if (container.clientWidth > 0) {
|
|
var select = document.getElementById('scaleSelect');
|
|
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;');
|
|
}
|
|
|
|
// Set the 'max-height' CSS property of the secondary toolbar.
|
|
SecondaryToolbar.setMaxHeight(document.getElementById('viewerContainer'));
|
|
});
|
|
}, true);
|
|
|
|
window.addEventListener('scalechange', function scalechange(evt) {
|
|
document.getElementById('zoomOut').disabled = (evt.scale === MIN_SCALE);
|
|
document.getElementById('zoomIn').disabled = (evt.scale === MAX_SCALE);
|
|
|
|
var customScaleOption = document.getElementById('customScaleOption');
|
|
customScaleOption.selected = false;
|
|
|
|
if (!PDFViewerApplication.updateScaleControls &&
|
|
(document.getElementById('pageWidthOption').selected ||
|
|
document.getElementById('pageFitOption').selected ||
|
|
document.getElementById('pageAutoOption').selected)) {
|
|
updateViewarea();
|
|
return;
|
|
}
|
|
|
|
if (evt.presetValue) {
|
|
selectScaleOption(evt.presetValue);
|
|
updateViewarea();
|
|
return;
|
|
}
|
|
|
|
var predefinedValueFound = selectScaleOption('' + evt.scale);
|
|
if (!predefinedValueFound) {
|
|
var customScale = Math.round(evt.scale * 10000) / 100;
|
|
customScaleOption.textContent =
|
|
mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%');
|
|
customScaleOption.selected = true;
|
|
}
|
|
updateViewarea();
|
|
}, true);
|
|
|
|
window.addEventListener('pagechange', function pagechange(evt) {
|
|
var page = evt.pageNumber;
|
|
if (evt.previousPageNumber !== page) {
|
|
document.getElementById('pageNumber').value = page;
|
|
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
|
|
}
|
|
var numPages = PDFViewerApplication.pagesCount;
|
|
|
|
document.getElementById('previous').disabled = (page <= 1);
|
|
document.getElementById('next').disabled = (page >= numPages);
|
|
|
|
document.getElementById('firstPage').disabled = (page <= 1);
|
|
document.getElementById('lastPage').disabled = (page >= numPages);
|
|
|
|
// we need to update stats
|
|
if (PDFJS.pdfBug && Stats.enabled) {
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
|
|
if (pageView.stats) {
|
|
Stats.add(page, pageView.stats);
|
|
}
|
|
}
|
|
|
|
// checking if the this.page was called from the updateViewarea function
|
|
if (evt.updateInProgress) {
|
|
return;
|
|
}
|
|
// Avoid scrolling the first page during loading
|
|
if (this.loading && page === 1) {
|
|
return;
|
|
}
|
|
PDFViewerApplication.pdfViewer.scrollPageIntoView(page);
|
|
}, true);
|
|
|
|
function handleMouseWheel(evt) {
|
|
var MOUSE_WHEEL_DELTA_FACTOR = 40;
|
|
var ticks = (evt.type === 'DOMMouseScroll') ? -evt.detail :
|
|
evt.wheelDelta / MOUSE_WHEEL_DELTA_FACTOR;
|
|
var direction = (ticks < 0) ? 'zoomOut' : 'zoomIn';
|
|
|
|
if (PresentationMode.active) {
|
|
evt.preventDefault();
|
|
PDFViewerApplication.mouseScroll(ticks * MOUSE_WHEEL_DELTA_FACTOR);
|
|
} else if (evt.ctrlKey) { // Only zoom the pages, not the entire viewer
|
|
evt.preventDefault();
|
|
PDFViewerApplication[direction](Math.abs(ticks));
|
|
}
|
|
}
|
|
|
|
window.addEventListener('DOMMouseScroll', handleMouseWheel);
|
|
window.addEventListener('mousewheel', handleMouseWheel);
|
|
|
|
window.addEventListener('click', function click(evt) {
|
|
if (!PresentationMode.active) {
|
|
if (SecondaryToolbar.opened &&
|
|
PDFViewerApplication.pdfViewer.containsElement(evt.target)) {
|
|
SecondaryToolbar.close();
|
|
}
|
|
} else if (evt.button === 0) {
|
|
// Necessary since preventDefault() in 'mousedown' won't stop
|
|
// the event propagation in all circumstances in presentation mode.
|
|
evt.preventDefault();
|
|
}
|
|
}, false);
|
|
|
|
window.addEventListener('keydown', function keydown(evt) {
|
|
if (OverlayManager.active) {
|
|
return;
|
|
}
|
|
|
|
var handled = false;
|
|
var cmd = (evt.ctrlKey ? 1 : 0) |
|
|
(evt.altKey ? 2 : 0) |
|
|
(evt.shiftKey ? 4 : 0) |
|
|
(evt.metaKey ? 8 : 0);
|
|
|
|
// First, handle the key bindings that are independent whether an input
|
|
// control is selected or not.
|
|
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
|
|
// either CTRL or META key with optional SHIFT.
|
|
var pdfViewer = PDFViewerApplication.pdfViewer;
|
|
var inPresentationMode = pdfViewer &&
|
|
(pdfViewer.presentationModeState === PresentationModeState.CHANGING ||
|
|
pdfViewer.presentationModeState === PresentationModeState.FULLSCREEN);
|
|
|
|
switch (evt.keyCode) {
|
|
case 70: // f
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
|
PDFViewerApplication.findBar.open();
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 71: // g
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
|
PDFViewerApplication.findBar.dispatchEvent('again',
|
|
cmd === 5 || cmd === 12);
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 61: // FF/Mac '='
|
|
case 107: // FF '+' and '='
|
|
case 187: // Chrome '+'
|
|
case 171: // FF with German keyboard
|
|
if (!inPresentationMode) {
|
|
PDFViewerApplication.zoomIn();
|
|
}
|
|
handled = true;
|
|
break;
|
|
case 173: // FF/Mac '-'
|
|
case 109: // FF '-'
|
|
case 189: // Chrome '-'
|
|
if (!inPresentationMode) {
|
|
PDFViewerApplication.zoomOut();
|
|
}
|
|
handled = true;
|
|
break;
|
|
case 48: // '0'
|
|
case 96: // '0' on Numpad of Swedish keyboard
|
|
if (!inPresentationMode) {
|
|
// keeping it unhandled (to restore page zoom to 100%)
|
|
setTimeout(function () {
|
|
// ... and resetting the scale after browser adjusts its scale
|
|
PDFViewerApplication.setScale(DEFAULT_SCALE, true);
|
|
});
|
|
handled = false;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
// CTRL or META without shift
|
|
if (cmd === 1 || cmd === 8) {
|
|
switch (evt.keyCode) {
|
|
case 83: // s
|
|
PDFViewerApplication.download();
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
//#endif
|
|
|
|
// CTRL+ALT or Option+Command
|
|
if (cmd === 3 || cmd === 10) {
|
|
switch (evt.keyCode) {
|
|
case 80: // p
|
|
SecondaryToolbar.presentationModeClick();
|
|
handled = true;
|
|
break;
|
|
case 71: // g
|
|
// focuses input#pageNumber field
|
|
document.getElementById('pageNumber').select();
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (handled) {
|
|
evt.preventDefault();
|
|
return;
|
|
}
|
|
|
|
// Some shortcuts should not get handled if a control/input element
|
|
// is selected.
|
|
var curElement = document.activeElement || document.querySelector(':focus');
|
|
var curElementTagName = curElement && curElement.tagName.toUpperCase();
|
|
if (curElementTagName === 'INPUT' ||
|
|
curElementTagName === 'TEXTAREA' ||
|
|
curElementTagName === 'SELECT') {
|
|
// Make sure that the secondary toolbar is closed when Escape is pressed.
|
|
if (evt.keyCode !== 27) { // 'Esc'
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (cmd === 0) { // no control key pressed at all.
|
|
switch (evt.keyCode) {
|
|
case 38: // up arrow
|
|
case 33: // pg up
|
|
case 8: // backspace
|
|
if (!PresentationMode.active &&
|
|
PDFViewerApplication.currentScaleValue !== 'page-fit') {
|
|
break;
|
|
}
|
|
/* in presentation mode */
|
|
/* falls through */
|
|
case 37: // left arrow
|
|
// horizontal scrolling using arrow keys
|
|
if (PDFViewerApplication.pdfViewer.isHorizontalScrollbarEnabled) {
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 75: // 'k'
|
|
case 80: // 'p'
|
|
PDFViewerApplication.page--;
|
|
handled = true;
|
|
break;
|
|
case 27: // esc key
|
|
if (SecondaryToolbar.opened) {
|
|
SecondaryToolbar.close();
|
|
handled = true;
|
|
}
|
|
if (!PDFViewerApplication.supportsIntegratedFind &&
|
|
PDFViewerApplication.findBar.opened) {
|
|
PDFViewerApplication.findBar.close();
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 40: // down arrow
|
|
case 34: // pg down
|
|
case 32: // spacebar
|
|
if (!PresentationMode.active &&
|
|
PDFViewerApplication.currentScaleValue !== 'page-fit') {
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 39: // right arrow
|
|
// horizontal scrolling using arrow keys
|
|
if (PDFViewerApplication.pdfViewer.isHorizontalScrollbarEnabled) {
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 74: // 'j'
|
|
case 78: // 'n'
|
|
PDFViewerApplication.page++;
|
|
handled = true;
|
|
break;
|
|
|
|
case 36: // home
|
|
if (PresentationMode.active || PDFViewerApplication.page > 1) {
|
|
PDFViewerApplication.page = 1;
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 35: // end
|
|
if (PresentationMode.active || (PDFViewerApplication.pdfDocument &&
|
|
PDFViewerApplication.page < PDFViewerApplication.pagesCount)) {
|
|
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
|
|
handled = true;
|
|
}
|
|
break;
|
|
|
|
case 72: // 'h'
|
|
if (!PresentationMode.active) {
|
|
HandTool.toggle();
|
|
}
|
|
break;
|
|
case 82: // 'r'
|
|
PDFViewerApplication.rotatePages(90);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (cmd === 4) { // shift-key
|
|
switch (evt.keyCode) {
|
|
case 32: // spacebar
|
|
if (!PresentationMode.active &&
|
|
PDFViewerApplication.currentScaleValue !== 'page-fit') {
|
|
break;
|
|
}
|
|
PDFViewerApplication.page--;
|
|
handled = true;
|
|
break;
|
|
|
|
case 82: // 'r'
|
|
PDFViewerApplication.rotatePages(-90);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!handled && !PresentationMode.active) {
|
|
// 33=Page Up 34=Page Down 35=End 36=Home
|
|
// 37=Left 38=Up 39=Right 40=Down
|
|
if (evt.keyCode >= 33 && evt.keyCode <= 40 &&
|
|
!PDFViewerApplication.pdfViewer.containsElement(curElement)) {
|
|
// The page container is not focused, but a page navigation key has been
|
|
// pressed. Change the focus to the viewer container to make sure that
|
|
// navigation by keyboard works as expected.
|
|
PDFViewerApplication.pdfViewer.focus();
|
|
}
|
|
// 32=Spacebar
|
|
if (evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
// // Workaround for issue in Firefox, that prevents scroll keys from
|
|
// // working when elements with 'tabindex' are focused. (#3498)
|
|
// PDFViewerApplication.pdfViewer.blur();
|
|
//#else
|
|
if (!PDFViewerApplication.pdfViewer.containsElement(curElement)) {
|
|
PDFViewerApplication.pdfViewer.focus();
|
|
}
|
|
//#endif
|
|
}
|
|
}
|
|
|
|
if (cmd === 2) { // alt-key
|
|
switch (evt.keyCode) {
|
|
case 37: // left arrow
|
|
if (PresentationMode.active) {
|
|
PDFHistory.back();
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 39: // right arrow
|
|
if (PresentationMode.active) {
|
|
PDFHistory.forward();
|
|
handled = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (handled) {
|
|
evt.preventDefault();
|
|
PDFViewerApplication.clearMouseScrollState();
|
|
}
|
|
});
|
|
|
|
window.addEventListener('beforeprint', function beforePrint(evt) {
|
|
PDFViewerApplication.beforePrint();
|
|
});
|
|
|
|
window.addEventListener('afterprint', function afterPrint(evt) {
|
|
PDFViewerApplication.afterPrint();
|
|
});
|
|
|
|
(function animationStartedClosure() {
|
|
// The offsetParent is not set until the pdf.js iframe or object is visible.
|
|
// Waiting for first animation.
|
|
PDFViewerApplication.animationStartedPromise = new Promise(
|
|
function (resolve) {
|
|
window.requestAnimationFrame(resolve);
|
|
});
|
|
})();
|
|
|
|
//#if B2G
|
|
//window.navigator.mozSetMessageHandler('activity', function(activity) {
|
|
// var blob = activity.source.data.blob;
|
|
// PDFJS.maxImageSize = 1024 * 1024;
|
|
// var fileURL = activity.source.data.url;
|
|
//
|
|
// var url = URL.createObjectURL(blob);
|
|
// // We need to delay opening until all HTML is loaded.
|
|
// PDFViewerApplication.animationStartedPromise.then(function () {
|
|
// PDFViewerApplication.open({url : url, originalUrl: fileURL});
|
|
//
|
|
// var header = document.getElementById('header');
|
|
// header.addEventListener('action', function() {
|
|
// activity.postResult('close');
|
|
// });
|
|
// });
|
|
//});
|
|
//#endif
|