forked from 0x2620/pandora
update pdf.js
This commit is contained in:
j
parent
57963dcb61
commit
446c0275e0
34 changed files with 702 additions and 414 deletions
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@ -17,8 +17,9 @@
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/* globals PDFJS, PDFBug, FirefoxCom, Stats, Cache, PDFFindBar, CustomStyle,
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PDFFindController, ProgressBar, TextLayerBuilder, DownloadManager,
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getFileName, scrollIntoView, getPDFFileNameFromURL, PDFHistory,
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Preferences, Settings, PageView, ThumbnailView, noContextMenuHandler,
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SecondaryToolbar, PasswordPrompt, PresentationMode, HandTool */
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Preferences, ViewHistory, PageView, ThumbnailView,
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noContextMenuHandler, SecondaryToolbar, PasswordPrompt,
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PresentationMode, HandTool, Promise */
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'use strict';
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@ -32,8 +33,8 @@ var VERTICAL_PADDING = 5;
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var MAX_AUTO_SCALE = 1.25;
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var MIN_SCALE = 0.25;
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var MAX_SCALE = 4.0;
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var VIEW_HISTORY_MEMORY = 20;
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var IMAGE_DIR = '/static/pdf.js/images/';
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var SETTINGS_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 THUMBNAIL_SCROLL_MARGIN = -19;
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@ -323,7 +324,9 @@ var DEFAULT_PREFERENCES = {
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var Preferences = (function PreferencesClosure() {
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function Preferences() {
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this.prefs = {};
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this.isInitializedPromiseResolved = false;
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this.initializedPromise = this.readFromStorage().then(function(prefObj) {
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this.isInitializedPromiseResolved = true;
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if (prefObj) {
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this.prefs = prefObj;
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}
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@ -336,19 +339,19 @@ var Preferences = (function PreferencesClosure() {
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},
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readFromStorage: function Preferences_readFromStorage() {
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var readFromStoragePromise = new PDFJS.Promise();
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var readFromStoragePromise = Promise.resolve();
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return readFromStoragePromise;
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},
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reset: function Preferences_reset() {
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if (this.initializedPromise.isResolved) {
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if (this.isInitializedPromiseResolved) {
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this.prefs = {};
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this.writeToStorage(this.prefs);
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}
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},
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set: function Preferences_set(name, value) {
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if (!this.initializedPromise.isResolved) {
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if (!this.isInitializedPromiseResolved) {
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return;
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} else if (DEFAULT_PREFERENCES[name] === undefined) {
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console.error('Preferences_set: \'' + name + '\' is undefined.');
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@ -379,7 +382,7 @@ var Preferences = (function PreferencesClosure() {
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if (defaultPref === undefined) {
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console.error('Preferences_get: \'' + name + '\' is undefined.');
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return;
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} else if (this.initializedPromise.isResolved) {
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} else if (this.isInitializedPromiseResolved) {
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var pref = this.prefs[name];
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if (pref !== undefined) {
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@ -401,11 +404,12 @@ Preferences.prototype.writeToStorage = function(prefObj) {
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};
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Preferences.prototype.readFromStorage = function() {
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var readFromStoragePromise = new PDFJS.Promise();
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if (isLocalStorageEnabled) {
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var readPrefs = JSON.parse(localStorage.getItem('preferences'));
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readFromStoragePromise.resolve(readPrefs);
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}
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var readFromStoragePromise = new Promise(function (resolve) {
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if (isLocalStorageEnabled) {
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var readPrefs = JSON.parse(localStorage.getItem('preferences'));
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resolve(readPrefs);
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}
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});
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return readFromStoragePromise;
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};
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@ -614,34 +618,28 @@ var currentPageNumber = 1;
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/**
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* Settings Manager - This is a utility for saving settings.
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* View History - This is a utility for saving various view parameters for
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* recently opened files.
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*
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* The way that settings are stored depends on how PDF.js is built,
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* The way that the view parameters are stored depends on how PDF.js is built,
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* for 'node make <flag>' the following cases exist:
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* - FIREFOX or MOZCENTRAL - uses about:config.
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* - B2G - uses asyncStorage.
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* - GENERIC or CHROME - uses localStorage, if it is available.
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*/
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var Settings = (function SettingsClosure() {
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var isLocalStorageEnabled = (function localStorageEnabledTest() {
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// Feature test as per http://diveintohtml5.info/storage.html
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// The additional localStorage call is to get around a FF quirk, see
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// bug #495747 in bugzilla
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try {
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return ('localStorage' in window && window['localStorage'] !== null &&
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localStorage);
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} catch (e) {
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return false;
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}
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})();
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function Settings(fingerprint) {
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var ViewHistory = (function ViewHistoryClosure() {
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function ViewHistory(fingerprint) {
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this.fingerprint = fingerprint;
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this.initializedPromise = new PDFJS.Promise();
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var initializedPromiseResolve;
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this.isInitializedPromiseResolved = false;
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this.initializedPromise = new Promise(function (resolve) {
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initializedPromiseResolve = resolve;
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});
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var resolvePromise = (function settingsResolvePromise(db) {
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var resolvePromise = (function ViewHistoryResolvePromise(db) {
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this.isInitializedPromiseResolved = true;
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this.initialize(db || '{}');
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this.initializedPromise.resolve();
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initializedPromiseResolve();
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}).bind(this);
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@ -651,13 +649,13 @@ var Settings = (function SettingsClosure() {
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}
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}
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Settings.prototype = {
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initialize: function settingsInitialize(database) {
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ViewHistory.prototype = {
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initialize: function ViewHistory_initialize(database) {
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database = JSON.parse(database);
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if (!('files' in database)) {
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database.files = [];
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}
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if (database.files.length >= SETTINGS_MEMORY) {
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if (database.files.length >= VIEW_HISTORY_MEMORY) {
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database.files.shift();
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}
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var index;
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@ -675,8 +673,8 @@ var Settings = (function SettingsClosure() {
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this.database = database;
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},
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set: function settingsSet(name, val) {
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if (!this.initializedPromise.isResolved) {
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set: function ViewHistory_set(name, val) {
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if (!this.isInitializedPromiseResolved) {
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return;
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}
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var file = this.file;
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@ -690,15 +688,15 @@ var Settings = (function SettingsClosure() {
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}
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},
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get: function settingsGet(name, defaultValue) {
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if (!this.initializedPromise.isResolved) {
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get: function ViewHistory_get(name, defaultValue) {
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if (!this.isInitializedPromiseResolved) {
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return defaultValue;
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}
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return this.file[name] || defaultValue;
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}
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};
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return Settings;
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return ViewHistory;
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})();
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@ -861,7 +859,7 @@ var PDFFindBar = {
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/* globals PDFFindBar, PDFJS, FindStates, FirefoxCom */
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/* globals PDFFindBar, PDFJS, FindStates, FirefoxCom, Promise */
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/**
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* Provides a "search" or "find" functionality for the PDF.
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@ -909,8 +907,6 @@ var PDFFindController = {
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integratedFind: false,
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firstPagePromise: new PDFJS.Promise(),
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initialize: function(options) {
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if(typeof PDFFindBar === 'undefined' || PDFFindBar === null) {
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throw 'PDFFindController cannot be initialized ' +
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@ -927,6 +923,9 @@ var PDFFindController = {
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'findcasesensitivitychange'
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];
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this.firstPagePromise = new Promise(function (resolve) {
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this.resolveFirstPage = resolve;
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}.bind(this));
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this.handleEvent = this.handleEvent.bind(this);
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for (var i = 0; i < events.length; i++) {
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@ -984,8 +983,11 @@ var PDFFindController = {
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this.startedTextExtraction = true;
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this.pageContents = [];
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var extractTextPromisesResolves = [];
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for (var i = 0, ii = this.pdfPageSource.pdfDocument.numPages; i < ii; i++) {
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this.extractTextPromises.push(new PDFJS.Promise());
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this.extractTextPromises.push(new Promise(function (resolve) {
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extractTextPromisesResolves.push(resolve);
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}));
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}
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var self = this;
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@ -1003,7 +1005,7 @@ var PDFFindController = {
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// Store the pageContent as a string.
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self.pageContents.push(str);
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self.extractTextPromises[pageIndex].resolve(pageIndex);
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extractTextPromisesResolves[pageIndex](pageIndex);
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if ((pageIndex + 1) < self.pdfPageSource.pages.length)
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extractPageText(pageIndex + 1);
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}
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@ -1572,7 +1574,10 @@ var SecondaryToolbar = {
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// Attach the event listeners.
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var elements = [
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// Button to toggle the visibility of the secondary toolbar:
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{ element: this.toggleButton, handler: this.toggle },
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// All items within the secondary toolbar
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// (except for toggleHandTool, hand_tool.js is responsible for it):
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{ element: this.presentationModeButton,
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handler: this.presentationModeClick },
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{ element: this.openFile, handler: this.openFileClick },
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@ -2158,6 +2163,9 @@ var HandTool = {
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this.handTool = new GrabToPan({
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element: options.container,
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onActiveChanged: function(isActive) {
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if (!toggleHandTool) {
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return;
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}
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if (isActive) {
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toggleHandTool.title =
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mozL10n.get('hand_tool_disable.title', null, 'Disable hand tool');
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@ -2169,9 +2177,11 @@ var HandTool = {
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toggleHandTool.firstElementChild.textContent =
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mozL10n.get('hand_tool_enable_label', null, 'Enable hand tool');
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}
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}
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}
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});
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toggleHandTool.addEventListener('click', this.handTool.toggle, false);
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if (toggleHandTool) {
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toggleHandTool.addEventListener('click', this.handTool.toggle, false);
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}
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// TODO: Read global prefs and call this.handTool.activate() if needed.
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},
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@ -2312,19 +2322,37 @@ var PDFView = {
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}, true);
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},
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_setScaleUpdatePages: function pdfView_setScaleUpdatePages(
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newScale, newValue, resetAutoSettings, noScroll) {
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this.currentScaleValue = newValue;
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if (newScale === this.currentScale) {
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return;
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}
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for (var i = 0, ii = this.pages.length; i < ii; i++) {
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this.pages[i].update(newScale);
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}
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this.currentScale = newScale;
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if (!noScroll) {
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this.pages[this.page - 1].scrollIntoView();
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}
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var event = document.createEvent('UIEvents');
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event.initUIEvent('scalechange', false, false, window, 0);
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event.scale = newScale;
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event.resetAutoSettings = resetAutoSettings;
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window.dispatchEvent(event);
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},
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setScale: function pdfViewSetScale(value, resetAutoSettings, noScroll) {
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if (value === 'custom') {
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return;
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}
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var pages = this.pages;
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var currentPage = pages[this.page - 1];
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var number = parseFloat(value);
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var scale;
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var scale = parseFloat(value);
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if (number > 0) {
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scale = number;
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resetAutoSettings = true;
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if (scale > 0) {
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this._setScaleUpdatePages(scale, value, true, noScroll);
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} else {
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var currentPage = this.pages[this.page - 1];
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if (!currentPage) {
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return;
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}
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@ -2353,28 +2381,8 @@ var PDFView = {
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'\' is an unknown zoom value.');
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return;
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}
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}
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this.currentScaleValue = value;
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this._setScaleUpdatePages(scale, value, resetAutoSettings, noScroll);
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if (scale === this.currentScale) {
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return;
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}
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for (var i = 0, ii = pages.length; i < ii; i++) {
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pages[i].update(scale);
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}
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this.currentScale = scale;
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if (!noScroll) {
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currentPage.scrollIntoView();
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}
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var event = document.createEvent('UIEvents');
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event.initUIEvent('scalechange', false, false, window, 0);
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event.scale = scale;
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event.resetAutoSettings = resetAutoSettings;
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window.dispatchEvent(event);
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if (!number) {
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selectScaleOption(value);
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}
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},
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@ -2681,7 +2689,7 @@ var PDFView = {
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).then(null, noData);
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},
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fallback: function pdfViewFallback() {
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fallback: function pdfViewFallback(featureId) {
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return;
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},
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@ -2842,12 +2850,17 @@ var PDFView = {
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load: function pdfViewLoad(pdfDocument, scale) {
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var self = this;
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var onePageRendered = new PDFJS.Promise();
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var isOnePageRenderedResolved = false;
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var resolveOnePageRendered = null;
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var onePageRendered = new Promise(function (resolve) {
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resolveOnePageRendered = resolve;
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});
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function bindOnAfterDraw(pageView, thumbnailView) {
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// when page is painted, using the image as thumbnail base
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pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
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if (!onePageRendered.isResolved) {
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onePageRendered.resolve();
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if (!isOnePageRenderedResolved) {
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isOnePageRenderedResolved = true;
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resolveOnePageRendered();
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}
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thumbnailView.setImage(pageView.canvas);
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};
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@ -2888,7 +2901,7 @@ var PDFView = {
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var prefs = PDFView.prefs = new Preferences();
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PDFView.documentFingerprint = id;
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var store = PDFView.store = new Settings(id);
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var store = PDFView.store = new ViewHistory(id);
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this.pageRotation = 0;
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@ -2896,7 +2909,11 @@ var PDFView = {
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var pagesRefMap = this.pagesRefMap = {};
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var thumbnails = this.thumbnails = [];
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var pagesPromise = this.pagesPromise = new PDFJS.Promise();
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var resolvePagesPromise;
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var pagesPromise = new Promise(function (resolve) {
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resolvePagesPromise = resolve;
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});
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this.pagesPromise = pagesPromise;
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var firstPagePromise = pdfDocument.getPage(1);
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@ -2932,13 +2949,13 @@ var PDFView = {
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pagesRefMap[refStr] = pageNum;
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getPagesLeft--;
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if (!getPagesLeft) {
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pagesPromise.resolve();
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resolvePagesPromise();
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}
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}.bind(null, pageNum));
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}
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} else {
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// XXX: Printing is semi-broken with auto fetch disabled.
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pagesPromise.resolve();
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resolvePagesPromise();
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}
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});
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@ -2948,12 +2965,12 @@ var PDFView = {
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PDFView.loadingBar.setWidth(container);
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PDFFindController.firstPagePromise.resolve();
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PDFFindController.resolveFirstPage();
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});
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var prefsPromise = prefs.initializedPromise;
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var storePromise = store.initializedPromise;
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PDFJS.Promise.all([firstPagePromise, prefsPromise, storePromise]).
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Promise.all([firstPagePromise, prefsPromise, storePromise]).
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then(function() {
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var showPreviousViewOnLoad = prefs.get('showPreviousViewOnLoad');
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var defaultZoomValue = prefs.get('defaultZoomValue');
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@ -2987,7 +3004,7 @@ var PDFView = {
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pdfDocument.getJavaScript().then(function(javaScript) {
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if (javaScript.length) {
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console.warn('Warning: JavaScript is not supported');
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PDFView.fallback();
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PDFView.fallback(PDFJS.UNSUPPORTED_FEATURES.javaScript);
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}
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// Hack to support auto printing.
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var regex = /\bprint\s*\(/g;
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@ -3013,7 +3030,7 @@ var PDFView = {
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// outline depends on destinations and pagesRefMap
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var promises = [pagesPromise, destinationsPromise,
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PDFView.animationStartedPromise];
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PDFJS.Promise.all(promises).then(function() {
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Promise.all(promises).then(function() {
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pdfDocument.getOutline().then(function(outline) {
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self.outline = new DocumentOutlineView(outline);
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document.getElementById('viewOutline').disabled = !outline;
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@ -3052,7 +3069,7 @@ var PDFView = {
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if (info.IsAcroFormPresent) {
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console.warn('Warning: AcroForm/XFA is not supported');
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PDFView.fallback();
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PDFView.fallback(PDFJS.UNSUPPORTED_FEATURES.forms);
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}
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});
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@ -3396,7 +3413,7 @@ var PDFView = {
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div.removeChild(div.lastChild);
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},
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rotatePages: function pdfViewPageRotation(delta) {
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rotatePages: function pdfViewRotatePages(delta) {
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this.pageRotation = (this.pageRotation + 360 + delta) % 360;
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@ -4045,7 +4062,7 @@ var PageView = function pageView(container, id, scale,
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};
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var renderTask = this.renderTask = this.pdfPage.render(renderContext);
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this.renderTask.then(
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this.renderTask.promise.then(
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function pdfPageRenderCallback() {
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pageViewDrawCallback(null);
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},
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|
|
@ -4105,7 +4122,7 @@ var PageView = function pageView(container, id, scale,
|
|||
viewport: viewport
|
||||
};
|
||||
|
||||
pdfPage.render(renderContext).then(function() {
|
||||
pdfPage.render(renderContext).promise.then(function() {
|
||||
// Tell the printEngine that rendering this canvas/page has finished.
|
||||
obj.done();
|
||||
self.pdfPage.destroy();
|
||||
|
|
@ -4147,7 +4164,7 @@ var ThumbnailView = function thumbnailView(container, id, defaultViewport) {
|
|||
|
||||
this.pdfPage = undefined;
|
||||
this.viewport = defaultViewport;
|
||||
this.pdfPageRotate = defaultViewport.rotate;
|
||||
this.pdfPageRotate = defaultViewport.rotation;
|
||||
|
||||
this.rotation = 0;
|
||||
this.pageWidth = this.viewport.width;
|
||||
|
|
@ -4184,20 +4201,16 @@ var ThumbnailView = function thumbnailView(container, id, defaultViewport) {
|
|||
this.setPdfPage = function thumbnailViewSetPdfPage(pdfPage) {
|
||||
this.pdfPage = pdfPage;
|
||||
this.pdfPageRotate = pdfPage.rotate;
|
||||
this.viewport = pdfPage.getViewport(1);
|
||||
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||||
this.viewport = pdfPage.getViewport(1, totalRotation);
|
||||
this.update();
|
||||
};
|
||||
|
||||
this.update = function thumbnailViewUpdate(rot) {
|
||||
if (!this.pdfPage) {
|
||||
return;
|
||||
this.update = function thumbnailViewUpdate(rotation) {
|
||||
if (rotation !== undefined) {
|
||||
this.rotation = rotation;
|
||||
}
|
||||
|
||||
if (rot !== undefined) {
|
||||
this.rotation = rot;
|
||||
}
|
||||
|
||||
var totalRotation = (this.rotation + this.pdfPage.rotate) % 360;
|
||||
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
|
||||
this.viewport = this.viewport.clone({
|
||||
scale: 1,
|
||||
rotation: totalRotation
|
||||
|
|
@ -4283,7 +4296,7 @@ var ThumbnailView = function thumbnailView(container, id, defaultViewport) {
|
|||
cont();
|
||||
}
|
||||
};
|
||||
this.pdfPage.render(renderContext).then(
|
||||
this.pdfPage.render(renderContext).promise.then(
|
||||
function pdfPageRenderCallback() {
|
||||
self.renderingState = RenderingStates.FINISHED;
|
||||
callback();
|
||||
|
|
@ -4297,8 +4310,17 @@ var ThumbnailView = function thumbnailView(container, id, defaultViewport) {
|
|||
};
|
||||
|
||||
this.setImage = function thumbnailViewSetImage(img) {
|
||||
if (this.hasImage || !img)
|
||||
if (!this.pdfPage) {
|
||||
var promise = PDFView.getPage(this.id);
|
||||
promise.then(function(pdfPage) {
|
||||
this.setPdfPage(pdfPage);
|
||||
this.setImage(img);
|
||||
}.bind(this));
|
||||
return;
|
||||
}
|
||||
if (this.hasImage || !img) {
|
||||
return;
|
||||
}
|
||||
this.renderingState = RenderingStates.FINISHED;
|
||||
var ctx = this.getPageDrawContext();
|
||||
ctx.drawImage(img, 0, 0, img.width, img.height,
|
||||
|
|
@ -4780,6 +4802,10 @@ document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
|
|||
USE_ONLY_CSS_ZOOM = (hashParams['useOnlyCssZoom'] === 'true');
|
||||
}
|
||||
|
||||
if ('verbosity' in hashParams) {
|
||||
PDFJS.verbosity = hashParams['verbosity'] | 0;
|
||||
}
|
||||
|
||||
var locale = navigator.language;
|
||||
if ('locale' in hashParams)
|
||||
locale = hashParams['locale'];
|
||||
|
|
@ -4822,13 +4848,8 @@ document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
|
|||
document.getElementById('viewFind').classList.add('hidden');
|
||||
}
|
||||
|
||||
// Listen for warnings to trigger the fallback UI. Errors should be caught
|
||||
// and call PDFView.error() so we don't need to listen for those.
|
||||
PDFJS.LogManager.addLogger({
|
||||
warn: function() {
|
||||
PDFView.fallback();
|
||||
}
|
||||
});
|
||||
// Listen for unsuporrted features to trigger the fallback UI.
|
||||
PDFJS.UnsupportedManager.listen(PDFView.fallback.bind(PDFView));
|
||||
|
||||
// Suppress context menus for some controls
|
||||
document.getElementById('scaleSelect').oncontextmenu = noContextMenuHandler;
|
||||
|
|
@ -5366,9 +5387,10 @@ window.addEventListener('afterprint', function afterPrint(evt) {
|
|||
window.oRequestAnimationFrame ||
|
||||
window.msRequestAnimationFrame ||
|
||||
function startAtOnce(callback) { callback(); };
|
||||
PDFView.animationStartedPromise = new PDFJS.Promise();
|
||||
requestAnimationFrame(function onAnimationFrame() {
|
||||
PDFView.animationStartedPromise.resolve();
|
||||
PDFView.animationStartedPromise = new Promise(function (resolve) {
|
||||
requestAnimationFrame(function onAnimationFrame() {
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
})();
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue