+++ /dev/null
-/* Copyright 2012 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-* {
- padding: 0;
- margin: 0;
-}
-
-html {
- height: 100%;
-}
-
-body {
- height: 100%;
- background-color: #404040;
- background-image: url(../extlib/pdf.js/web/images/texture.png);
-}
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-body,
-input,
-button,
-select {
- font: message-box;
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-.hidden {
- display: none;
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-[hidden] {
- display: none !important;
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- background-color: #404040;
- background-image: url(../extlib/pdf.js/web/images/texture.png);
- width: 100%;
- height: 100%;
- overflow: hidden;
- cursor: none;
-}
-
-#viewerContainer:-moz-full-screen {
- top: 0px;
- border-top: 2px solid transparent;
- background-color: #404040;
- background-image: url(../extlib/pdf.js/web/images/texture.png);
- width: 100%;
- height: 100%;
- overflow: hidden;
- cursor: none;
-}
-
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- top: 0px;
- border-top: 2px solid transparent;
- background-color: #404040;
- background-image: url(../extlib/pdf.js/web/images/texture.png);
- width: 100%;
- height: 100%;
- overflow: hidden;
- cursor: none;
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-
-
-:-webkit-full-screen .page {
- margin-bottom: 100%;
-}
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-:-moz-full-screen .page {
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-:fullscreen .page {
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- height: 100%;
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-.findbar label {
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-.notFound {
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-html[dir='ltr'] #toolbarViewerMiddle > *,
-html[dir='ltr'] #toolbarViewerRight > *,
-html[dir='ltr'] .findbar > * {
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-html[dir='rtl'] #toolbarViewerMiddle > *,
-html[dir='rtl'] #toolbarViewerRight > *,
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-.toolbarButton {
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- }
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- html[dir='rtl'] #outerContainer.sidebarOpen .outerCenter {
- float: right;
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- }
-}
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- }
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- right: 0px;
- }
-
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- float: left;
- left: 180px;
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- right: 180px;
- }
-}
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- display: none;
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- right: 156px;
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- .toolbarButtonSpacer {
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+++ /dev/null
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* Copyright 2012 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-/* globals PDFJS, PDFBug, FirefoxCom, Stats */
-
-'use strict';
-
-var DEFAULT_SCALE = 'auto';
-var DEFAULT_SCALE_DELTA = 1.1;
-var UNKNOWN_SCALE = 0;
-var CACHE_SIZE = 20;
-var CSS_UNITS = 96.0 / 72.0;
-var SCROLLBAR_PADDING = 40;
-var VERTICAL_PADDING = 5;
-var MIN_SCALE = 0.25;
-var MAX_SCALE = 4.0;
-var IMAGE_DIR = './images/';
-var SETTINGS_MEMORY = 20;
-var ANNOT_MIN_SIZE = 10;
-var RenderingStates = {
- INITIAL: 0,
- RUNNING: 1,
- PAUSED: 2,
- FINISHED: 3
-};
-var FindStates = {
- FIND_FOUND: 0,
- FIND_NOTFOUND: 1,
- FIND_WRAPPED: 2,
- FIND_PENDING: 3
-};
-
-//#if (FIREFOX || MOZCENTRAL || B2G || GENERIC || CHROME)
-//PDFJS.workerSrc = '../build/pdf.js';
-//#endif
-
-var mozL10n = document.mozL10n || document.webL10n;
-
-function getFileName(url) {
- var anchor = url.indexOf('#');
- var query = url.indexOf('?');
- var end = Math.min(
- anchor > 0 ? anchor : url.length,
- query > 0 ? query : url.length);
- return url.substring(url.lastIndexOf('/', end) + 1, end);
-}
-
-function scrollIntoView(element, spot) {
- // Assuming offsetParent is available (it's not available when viewer is in
- // hidden iframe or object). We have to scroll: if the offsetParent is not set
- // producing the error. See also animationStartedClosure.
- var parent = element.offsetParent;
- var offsetY = element.offsetTop + element.clientTop;
- if (!parent) {
- console.error('offsetParent is not set -- cannot scroll');
- return;
- }
- while (parent.clientHeight == parent.scrollHeight) {
- offsetY += parent.offsetTop;
- parent = parent.offsetParent;
- if (!parent)
- return; // no need to scroll
- }
- if (spot)
- offsetY += spot.top;
- parent.scrollTop = offsetY;
-}
-
-var Cache = function cacheCache(size) {
- var data = [];
- this.push = function cachePush(view) {
- var i = data.indexOf(view);
- if (i >= 0)
- data.splice(i);
- data.push(view);
- if (data.length > size)
- data.shift().destroy();
- };
-};
-
-var ProgressBar = (function ProgressBarClosure() {
-
- function clamp(v, min, max) {
- return Math.min(Math.max(v, min), max);
- }
-
- function ProgressBar(id, opts) {
-
- // Fetch the sub-elements for later
- this.div = document.querySelector(id + ' .progress');
-
- // Get options, with sensible defaults
- this.height = opts.height || 100;
- this.width = opts.width || 100;
- this.units = opts.units || '%';
-
- // Initialize heights
- this.div.style.height = this.height + this.units;
- }
-
- ProgressBar.prototype = {
-
- updateBar: function ProgressBar_updateBar() {
- if (this._indeterminate) {
- this.div.classList.add('indeterminate');
- return;
- }
-
- var progressSize = this.width * this._percent / 100;
-
- if (this._percent > 95)
- this.div.classList.add('full');
- else
- this.div.classList.remove('full');
- this.div.classList.remove('indeterminate');
-
- this.div.style.width = progressSize + this.units;
- },
-
- get percent() {
- return this._percent;
- },
-
- set percent(val) {
- this._indeterminate = isNaN(val);
- this._percent = clamp(val, 0, 100);
- this.updateBar();
- }
- };
-
- return ProgressBar;
-})();
-
-//#if FIREFOX || MOZCENTRAL
-//#include firefoxcom.js
-//#endif
-
-// Settings Manager - This is a utility for saving settings
-// First we see if localStorage is available
-// If not, we use FUEL in FF
-// Use asyncStorage for B2G
-var Settings = (function SettingsClosure() {
-//#if !(FIREFOX || MOZCENTRAL || B2G)
- var isLocalStorageEnabled = (function localStorageEnabledTest() {
- // Feature test as per http://diveintohtml5.info/storage.html
- // The additional localStorage call is to get around a FF quirk, see
- // bug #495747 in bugzilla
- try {
- return 'localStorage' in window && window['localStorage'] !== null &&
- localStorage;
- } catch (e) {
- return false;
- }
- })();
-//#endif
-
- function Settings(fingerprint) {
- this.fingerprint = fingerprint;
- this.initializedPromise = new PDFJS.Promise();
-
- var resolvePromise = (function settingsResolvePromise(db) {
- this.initialize(db || '{}');
- this.initializedPromise.resolve();
- }).bind(this);
-
-//#if B2G
-// asyncStorage.getItem('database', resolvePromise);
-//#endif
-
-//#if FIREFOX || MOZCENTRAL
-// resolvePromise(FirefoxCom.requestSync('getDatabase', null));
-//#endif
-
-//#if !(FIREFOX || MOZCENTRAL || B2G)
- if (isLocalStorageEnabled)
- resolvePromise(localStorage.getItem('database'));
-//#endif
- }
-
- Settings.prototype = {
- initialize: function settingsInitialize(database) {
- database = JSON.parse(database);
- if (!('files' in database))
- database.files = [];
- if (database.files.length >= SETTINGS_MEMORY)
- database.files.shift();
- var index;
- for (var i = 0, length = database.files.length; i < length; i++) {
- var branch = database.files[i];
- if (branch.fingerprint == this.fingerprint) {
- index = i;
- break;
- }
- }
- if (typeof index != 'number')
- index = database.files.push({fingerprint: this.fingerprint}) - 1;
- this.file = database.files[index];
- this.database = database;
- },
-
- set: function settingsSet(name, val) {
- if (!this.initializedPromise.isResolved)
- return;
-
- var file = this.file;
- file[name] = val;
- var database = JSON.stringify(this.database);
-
-//#if B2G
-// asyncStorage.setItem('database', database);
-//#endif
-
-//#if FIREFOX || MOZCENTRAL
-// FirefoxCom.requestSync('setDatabase', database);
-//#endif
-
-//#if !(FIREFOX || MOZCENTRAL || B2G)
- if (isLocalStorageEnabled)
- localStorage.setItem('database', database);
-//#endif
- },
-
- get: function settingsGet(name, defaultValue) {
- if (!this.initializedPromise.isResolved)
- return defaultValue;
-
- return this.file[name] || defaultValue;
- }
- };
-
- return Settings;
-})();
-
-var cache = new Cache(CACHE_SIZE);
-var currentPageNumber = 1;
-
-var PDFFindController = {
- startedTextExtraction: false,
-
- extractTextPromises: [],
-
- // If active, find results will be highlighted.
- active: false,
-
- // Stores the text for each page.
- pageContents: [],
-
- pageMatches: [],
-
- // Currently selected match.
- selected: {
- pageIdx: -1,
- matchIdx: -1
- },
-
- // Where find algorithm currently is in the document.
- offset: {
- pageIdx: null,
- matchIdx: null
- },
-
- resumePageIdx: null,
-
- resumeCallback: null,
-
- state: null,
-
- dirtyMatch: false,
-
- findTimeout: null,
-
- initialize: function() {
- var events = [
- 'find',
- 'findagain',
- 'findhighlightallchange',
- 'findcasesensitivitychange'
- ];
-
- this.handleEvent = this.handleEvent.bind(this);
-
- for (var i = 0; i < events.length; i++) {
- window.addEventListener(events[i], this.handleEvent);
- }
- },
-
- calcFindMatch: function(pageIndex) {
- var pageContent = this.pageContents[pageIndex];
- var query = this.state.query;
- var caseSensitive = this.state.caseSensitive;
- var queryLen = query.length;
-
- if (queryLen === 0) {
- // Do nothing the matches should be wiped out already.
- return;
- }
-
- if (!caseSensitive) {
- pageContent = pageContent.toLowerCase();
- query = query.toLowerCase();
- }
-
- var matches = [];
-
- var matchIdx = -queryLen;
- while (true) {
- matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
- if (matchIdx === -1) {
- break;
- }
-
- matches.push(matchIdx);
- }
- this.pageMatches[pageIndex] = matches;
- this.updatePage(pageIndex);
- if (this.resumePageIdx === pageIndex) {
- var callback = this.resumeCallback;
- this.resumePageIdx = null;
- this.resumeCallback = null;
- callback();
- }
- },
-
- extractText: function() {
- if (this.startedTextExtraction) {
- return;
- }
- this.startedTextExtraction = true;
-
- this.pageContents = [];
- for (var i = 0, ii = PDFView.pdfDocument.numPages; i < ii; i++) {
- this.extractTextPromises.push(new PDFJS.Promise());
- }
-
- var self = this;
- function extractPageText(pageIndex) {
- PDFView.pages[pageIndex].getTextContent().then(
- function textContentResolved(data) {
- // Build the find string.
- var bidiTexts = data.bidiTexts;
- var str = '';
-
- for (var i = 0; i < bidiTexts.length; i++) {
- str += bidiTexts[i].str;
- }
-
- // Store the pageContent as a string.
- self.pageContents.push(str);
-
- self.extractTextPromises[pageIndex].resolve(pageIndex);
- if ((pageIndex + 1) < PDFView.pages.length)
- extractPageText(pageIndex + 1);
- }
- );
- }
- extractPageText(0);
- return this.extractTextPromise;
- },
-
- handleEvent: function(e) {
- if (this.state === null || e.type !== 'findagain') {
- this.dirtyMatch = true;
- }
- this.state = e.detail;
- this.updateUIState(FindStates.FIND_PENDING);
-
- this.extractText();
-
- clearTimeout(this.findTimeout);
- if (e.type === 'find') {
- // Only trigger the find action after 250ms of silence.
- this.findTimeout = setTimeout(this.nextMatch.bind(this), 250);
- } else {
- this.nextMatch();
- }
- },
-
- updatePage: function(idx) {
- var page = PDFView.pages[idx];
-
- if (this.selected.pageIdx === idx) {
- // If the page is selected, scroll the page into view, which triggers
- // rendering the page, which adds the textLayer. Once the textLayer is
- // build, it will scroll onto the selected match.
- page.scrollIntoView();
- }
-
- if (page.textLayer) {
- page.textLayer.updateMatches();
- }
- },
-
- nextMatch: function() {
- var pages = PDFView.pages;
- var previous = this.state.findPrevious;
- var numPages = PDFView.pages.length;
-
- this.active = true;
-
- if (this.dirtyMatch) {
- // Need to recalculate the matches, reset everything.
- this.dirtyMatch = false;
- this.selected.pageIdx = this.selected.matchIdx = -1;
- this.offset.pageIdx = previous ? numPages - 1 : 0;
- this.offset.matchIdx = null;
- this.hadMatch = false;
- this.resumeCallback = null;
- this.resumePageIdx = null;
- this.pageMatches = [];
- var self = this;
-
- for (var i = 0; i < numPages; i++) {
- // Wipe out any previous highlighted matches.
- this.updatePage(i);
-
- // As soon as the text is extracted start finding the matches.
- this.extractTextPromises[i].onData(function(pageIdx) {
- // Use a timeout since all the pages may already be extracted and we
- // want to start highlighting before finding all the matches.
- setTimeout(function() {
- self.calcFindMatch(pageIdx);
- });
- });
- }
- }
-
- // If there's no query there's no point in searching.
- if (this.state.query === '') {
- this.updateUIState(FindStates.FIND_FOUND);
- return;
- }
-
- // If we're waiting on a page, we return since we can't do anything else.
- if (this.resumeCallback) {
- return;
- }
-
- var offset = this.offset;
- // If there's already a matchIdx that means we are iterating through a
- // page's matches.
- if (offset.matchIdx !== null) {
- var numPageMatches = this.pageMatches[offset.pageIdx].length;
- if ((!previous && offset.matchIdx + 1 < numPageMatches) ||
- (previous && offset.matchIdx > 0)) {
- // The simple case, we just have advance the matchIdx to select the next
- // match on the page.
- this.hadMatch = true;
- offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
- this.updateMatch(true);
- return;
- }
- // We went beyond the current page's matches, so we advance to the next
- // page.
- this.advanceOffsetPage(previous);
- }
- // Start searching through the page.
- this.nextPageMatch();
- },
-
- nextPageMatch: function() {
- if (this.resumePageIdx !== null)
- console.error('There can only be one pending page.');
-
- var matchesReady = function(matches) {
- var offset = this.offset;
- var numMatches = matches.length;
- var previous = this.state.findPrevious;
- if (numMatches) {
- // There were matches for the page, so initialize the matchIdx.
- this.hadMatch = true;
- offset.matchIdx = previous ? numMatches - 1 : 0;
- this.updateMatch(true);
- } else {
- // No matches attempt to search the next page.
- this.advanceOffsetPage(previous);
- if (offset.wrapped) {
- offset.matchIdx = null;
- if (!this.hadMatch) {
- // No point in wrapping there were no matches.
- this.updateMatch(false);
- return;
- }
- }
- // Search the next page.
- this.nextPageMatch();
- }
- }.bind(this);
-
- var pageIdx = this.offset.pageIdx;
- var pageMatches = this.pageMatches;
- if (!pageMatches[pageIdx]) {
- // The matches aren't ready setup a callback so we can be notified,
- // when they are ready.
- this.resumeCallback = function() {
- matchesReady(pageMatches[pageIdx]);
- };
- this.resumePageIdx = pageIdx;
- return;
- }
- // The matches are finished already.
- matchesReady(pageMatches[pageIdx]);
- },
-
- advanceOffsetPage: function(previous) {
- var offset = this.offset;
- var numPages = this.extractTextPromises.length;
- offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
- offset.matchIdx = null;
- if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
- offset.pageIdx = previous ? numPages - 1 : 0;
- offset.wrapped = true;
- return;
- }
- },
-
- updateMatch: function(found) {
- var state = FindStates.FIND_NOTFOUND;
- var wrapped = this.offset.wrapped;
- this.offset.wrapped = false;
- if (found) {
- var previousPage = this.selected.pageIdx;
- this.selected.pageIdx = this.offset.pageIdx;
- this.selected.matchIdx = this.offset.matchIdx;
- state = wrapped ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
- // Update the currently selected page to wipe out any selected matches.
- if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
- this.updatePage(previousPage);
- }
- }
- this.updateUIState(state, this.state.findPrevious);
- if (this.selected.pageIdx !== -1) {
- this.updatePage(this.selected.pageIdx, true);
- }
- },
-
- updateUIState: function(state, previous) {
- if (PDFView.supportsIntegratedFind) {
- FirefoxCom.request('updateFindControlState',
- {result: state, findPrevious: previous});
- return;
- }
- PDFFindBar.updateUIState(state, previous);
- }
-};
-
-var PDFFindBar = {
- // TODO: Enable the FindBar *AFTER* the pagesPromise in the load function
- // got resolved
-
- opened: false,
-
- initialize: function() {
- this.bar = document.getElementById('findbar');
- this.toggleButton = document.getElementById('viewFind');
- this.findField = document.getElementById('findInput');
- this.highlightAll = document.getElementById('findHighlightAll');
- this.caseSensitive = document.getElementById('findMatchCase');
- this.findMsg = document.getElementById('findMsg');
- this.findStatusIcon = document.getElementById('findStatusIcon');
-
- var self = this;
- this.toggleButton.addEventListener('click', function() {
- self.toggle();
- });
-
- this.findField.addEventListener('input', function() {
- self.dispatchEvent('');
- });
-
- this.bar.addEventListener('keydown', function(evt) {
- switch (evt.keyCode) {
- case 13: // Enter
- if (evt.target === self.findField) {
- self.dispatchEvent('again', evt.shiftKey);
- }
- break;
- case 27: // Escape
- self.close();
- break;
- }
- });
-
- document.getElementById('findPrevious').addEventListener('click',
- function() { self.dispatchEvent('again', true); }
- );
-
- document.getElementById('findNext').addEventListener('click', function() {
- self.dispatchEvent('again', false);
- });
-
- this.highlightAll.addEventListener('click', function() {
- self.dispatchEvent('highlightallchange');
- });
-
- this.caseSensitive.addEventListener('click', function() {
- self.dispatchEvent('casesensitivitychange');
- });
- },
-
- dispatchEvent: function(aType, aFindPrevious) {
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('find' + aType, true, true, {
- query: this.findField.value,
- caseSensitive: this.caseSensitive.checked,
- highlightAll: this.highlightAll.checked,
- findPrevious: aFindPrevious
- });
- return window.dispatchEvent(event);
- },
-
- updateUIState: function(state, previous) {
- var notFound = false;
- var findMsg = '';
- var status = '';
-
- switch (state) {
- case FindStates.FIND_FOUND:
- break;
-
- case FindStates.FIND_PENDING:
- status = 'pending';
- break;
-
- case FindStates.FIND_NOTFOUND:
- findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
- notFound = true;
- break;
-
- case FindStates.FIND_WRAPPED:
- if (previous) {
- findMsg = mozL10n.get('find_reached_top', null,
- 'Reached top of document, continued from bottom');
- } else {
- findMsg = mozL10n.get('find_reached_bottom', null,
- 'Reached end of document, continued from top');
- }
- break;
- }
-
- if (notFound) {
- this.findField.classList.add('notFound');
- } else {
- this.findField.classList.remove('notFound');
- }
-
- this.findField.setAttribute('data-status', status);
- this.findMsg.textContent = findMsg;
- },
-
- open: function() {
- if (this.opened) return;
-
- this.opened = true;
- this.toggleButton.classList.add('toggled');
- this.bar.classList.remove('hidden');
- this.findField.select();
- this.findField.focus();
- },
-
- close: function() {
- if (!this.opened) return;
-
- this.opened = false;
- this.toggleButton.classList.remove('toggled');
- this.bar.classList.add('hidden');
-
- PDFFindController.active = false;
- },
-
- toggle: function() {
- if (this.opened) {
- this.close();
- } else {
- this.open();
- }
- }
-};
-
-var PDFView = {
- pages: [],
- thumbnails: [],
- currentScale: UNKNOWN_SCALE,
- currentScaleValue: null,
- initialBookmark: document.location.hash.substring(1),
- startedTextExtraction: false,
- pageText: [],
- container: null,
- thumbnailContainer: null,
- initialized: false,
- fellback: false,
- pdfDocument: null,
- sidebarOpen: false,
- pageViewScroll: null,
- thumbnailViewScroll: null,
- isFullscreen: false,
- previousScale: null,
- pageRotation: 0,
- mouseScrollTimeStamp: 0,
- mouseScrollDelta: 0,
- lastScroll: 0,
- previousPageNumber: 1,
-
- // called once when the document is loaded
- initialize: function pdfViewInitialize() {
- var self = this;
- var container = this.container = document.getElementById('viewerContainer');
- this.pageViewScroll = {};
- this.watchScroll(container, this.pageViewScroll, updateViewarea);
-
- var thumbnailContainer = this.thumbnailContainer =
- document.getElementById('thumbnailView');
- this.thumbnailViewScroll = {};
- this.watchScroll(thumbnailContainer, this.thumbnailViewScroll,
- this.renderHighestPriority.bind(this));
-
- PDFFindBar.initialize();
- PDFFindController.initialize();
-
- this.initialized = true;
- container.addEventListener('scroll', function() {
- self.lastScroll = Date.now();
- }, false);
- },
-
- getPage: function pdfViewGetPage(n) {
- return this.pdfDocument.getPage(n);
- },
-
- // Helper function to keep track whether a div was scrolled up or down and
- // then call a callback.
- watchScroll: function pdfViewWatchScroll(viewAreaElement, state, callback) {
- state.down = true;
- state.lastY = viewAreaElement.scrollTop;
- viewAreaElement.addEventListener('scroll', function webViewerScroll(evt) {
- var currentY = viewAreaElement.scrollTop;
- var lastY = state.lastY;
- if (currentY > lastY)
- state.down = true;
- else if (currentY < lastY)
- state.down = false;
- // else do nothing and use previous value
- state.lastY = currentY;
- callback();
- }, true);
- },
-
- setScale: function pdfViewSetScale(val, resetAutoSettings, noScroll) {
- if (val == this.currentScale)
- return;
-
- var pages = this.pages;
- for (var i = 0; i < pages.length; i++)
- pages[i].update(val * CSS_UNITS);
-
- if (!noScroll && this.currentScale != val)
- this.pages[this.page - 1].scrollIntoView();
- this.currentScale = val;
-
- var event = document.createEvent('UIEvents');
- event.initUIEvent('scalechange', false, false, window, 0);
- event.scale = val;
- event.resetAutoSettings = resetAutoSettings;
- window.dispatchEvent(event);
- },
-
- parseScale: function pdfViewParseScale(value, resetAutoSettings, noScroll) {
- if ('custom' == value)
- return;
-
- var scale = parseFloat(value);
- this.currentScaleValue = value;
- if (scale) {
- this.setScale(scale, true, noScroll);
- return;
- }
-
- var container = this.container;
- var currentPage = this.pages[this.page - 1];
- if (!currentPage) {
- return;
- }
-
- var pageWidthScale = (container.clientWidth - SCROLLBAR_PADDING) /
- currentPage.width * currentPage.scale / CSS_UNITS;
- var pageHeightScale = (container.clientHeight - VERTICAL_PADDING) /
- currentPage.height * currentPage.scale / CSS_UNITS;
- switch (value) {
- case 'page-actual':
- scale = 1;
- break;
- case 'page-width':
- scale = pageWidthScale;
- break;
- case 'page-height':
- scale = pageHeightScale;
- break;
- case 'page-fit':
- scale = Math.min(pageWidthScale, pageHeightScale);
- break;
- case 'auto':
- scale = Math.min(1.0, pageWidthScale);
- break;
- }
- this.setScale(scale, resetAutoSettings, noScroll);
-
- selectScaleOption(value);
- },
-
- zoomIn: function pdfViewZoomIn() {
- var newScale = (this.currentScale * DEFAULT_SCALE_DELTA).toFixed(2);
- newScale = Math.ceil(newScale * 10) / 10;
- newScale = Math.min(MAX_SCALE, newScale);
- this.parseScale(newScale, true);
- },
-
- zoomOut: function pdfViewZoomOut() {
- var newScale = (this.currentScale / DEFAULT_SCALE_DELTA).toFixed(2);
- newScale = Math.floor(newScale * 10) / 10;
- newScale = Math.max(MIN_SCALE, newScale);
- this.parseScale(newScale, true);
- },
-
- set page(val) {
- var pages = this.pages;
- var input = document.getElementById('pageNumber');
- var event = document.createEvent('UIEvents');
- event.initUIEvent('pagechange', false, false, window, 0);
-
- if (!(0 < val && val <= pages.length)) {
- this.previousPageNumber = val;
- event.pageNumber = this.page;
- window.dispatchEvent(event);
- return;
- }
-
- pages[val - 1].updateStats();
- this.previousPageNumber = currentPageNumber;
- currentPageNumber = val;
- event.pageNumber = val;
- window.dispatchEvent(event);
-
- // checking if the this.page was called from the updateViewarea function:
- // avoiding the creation of two "set page" method (internal and public)
- if (updateViewarea.inProgress)
- return;
-
- // Avoid scrolling the first page during loading
- if (this.loading && val == 1)
- return;
-
- pages[val - 1].scrollIntoView();
- },
-
- get page() {
- return currentPageNumber;
- },
-
- get supportsPrinting() {
- var canvas = document.createElement('canvas');
- var value = 'mozPrintCallback' in canvas;
- // shadow
- Object.defineProperty(this, 'supportsPrinting', { value: value,
- enumerable: true,
- configurable: true,
- writable: false });
- return value;
- },
-
- get supportsFullscreen() {
- var doc = document.documentElement;
- var support = doc.requestFullscreen || doc.mozRequestFullScreen ||
- doc.webkitRequestFullScreen;
-
- // Disable fullscreen button if we're in an iframe
- if (!!window.frameElement)
- support = false;
-
- Object.defineProperty(this, 'supportsFullScreen', { value: support,
- enumerable: true,
- configurable: true,
- writable: false });
- return support;
- },
-
- get supportsIntegratedFind() {
- var support = false;
-//#if !(FIREFOX || MOZCENTRAL)
-//#else
-// support = FirefoxCom.requestSync('supportsIntegratedFind');
-//#endif
- Object.defineProperty(this, 'supportsIntegratedFind', { value: support,
- enumerable: true,
- configurable: true,
- writable: false });
- return support;
- },
-
- get supportsDocumentFonts() {
- var support = true;
-//#if !(FIREFOX || MOZCENTRAL)
-//#else
-// support = FirefoxCom.requestSync('supportsDocumentFonts');
-//#endif
- Object.defineProperty(this, 'supportsDocumentFonts', { value: support,
- enumerable: true,
- configurable: true,
- writable: false });
- return support;
- },
-
- get isHorizontalScrollbarEnabled() {
- var div = document.getElementById('viewerContainer');
- return div.scrollWidth > div.clientWidth;
- },
-
- initPassiveLoading: function pdfViewInitPassiveLoading() {
- if (!PDFView.loadingBar) {
- PDFView.loadingBar = new ProgressBar('#loadingBar', {});
- }
-
- window.addEventListener('message', function window_message(e) {
- var args = e.data;
-
- if (typeof args !== 'object' || !('pdfjsLoadAction' in args))
- return;
- switch (args.pdfjsLoadAction) {
- case 'progress':
- PDFView.progress(args.loaded / args.total);
- break;
- case 'complete':
- if (!args.data) {
- PDFView.error(mozL10n.get('loading_error', null,
- 'An error occurred while loading the PDF.'), e);
- break;
- }
- PDFView.open(args.data, 0);
- break;
- }
- });
- FirefoxCom.requestSync('initPassiveLoading', null);
- },
-
- setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
- this.url = url;
- try {
- this.setTitle(decodeURIComponent(getFileName(url)) || url);
- } catch (e) {
- // decodeURIComponent may throw URIError,
- // fall back to using the unprocessed url in that case
- this.setTitle(url);
- }
- },
-
- setTitle: function pdfViewSetTitle(title) {
- document.title = title;
-//#if B2G
-// document.getElementById('activityTitle').textContent = title;
-//#endif
- },
-
- open: function pdfViewOpen(url, scale, password) {
- var parameters = {password: password};
- if (typeof url === 'string') { // URL
- this.setTitleUsingUrl(url);
- parameters.url = url;
- } else if (url && 'byteLength' in url) { // ArrayBuffer
- parameters.data = url;
- }
-
- if (!PDFView.loadingBar) {
- PDFView.loadingBar = new ProgressBar('#loadingBar', {});
- }
-
- this.pdfDocument = null;
- var self = this;
- self.loading = true;
- PDFJS.getDocument(parameters).then(
- function getDocumentCallback(pdfDocument) {
- self.load(pdfDocument, scale);
- self.loading = false;
- },
- function getDocumentError(message, exception) {
- if (exception && exception.name === 'PasswordException') {
- if (exception.code === 'needpassword') {
- var promptString = mozL10n.get('request_password', null,
- 'PDF is protected by a password:');
- password = prompt(promptString);
- if (password && password.length > 0) {
- return PDFView.open(url, scale, password);
- }
- }
- }
-
- var loadingErrorMessage = mozL10n.get('loading_error', null,
- 'An error occurred while loading the PDF.');
-
- if (exception && exception.name === 'InvalidPDFException') {
- // change error message also for other builds
- var loadingErrorMessage = mozL10n.get('invalid_file_error', null,
- 'Invalid or corrupted PDF file.');
-//#if B2G
-// window.alert(loadingErrorMessage);
-// return window.close();
-//#endif
- }
-
- if (exception && exception.name === 'MissingPDFException') {
- // special message for missing PDF's
- var loadingErrorMessage = mozL10n.get('missing_file_error', null,
- 'Missing PDF file.');
-
-//#if B2G
-// window.alert(loadingErrorMessage);
-// return window.close();
-//#endif
- }
-
- var loadingIndicator = document.getElementById('loading');
- loadingIndicator.textContent = mozL10n.get('loading_error_indicator',
- null, 'Error');
- var moreInfo = {
- message: message
- };
- self.error(loadingErrorMessage, moreInfo);
- self.loading = false;
- },
- function getDocumentProgress(progressData) {
- self.progress(progressData.loaded / progressData.total);
- }
- );
- },
-
- download: function pdfViewDownload() {
- function noData() {
- FirefoxCom.request('download', { originalUrl: url });
- }
- var url = this.url.split('#')[0];
-//#if !(FIREFOX || MOZCENTRAL)
- url += '#pdfjs.action=download';
- window.open(url, '_parent');
-//#else
-// // Document isn't ready just try to download with the url.
-// if (!this.pdfDocument) {
-// noData();
-// return;
-// }
-// this.pdfDocument.getData().then(
-// function getDataSuccess(data) {
-// var blob = PDFJS.createBlob(data.buffer, 'application/pdf');
-// var blobUrl = window.URL.createObjectURL(blob);
-//
-// FirefoxCom.request('download', { blobUrl: blobUrl, originalUrl: url },
-// function response(err) {
-// if (err) {
-// // This error won't really be helpful because it's likely the
-// // fallback won't work either (or is already open).
-// PDFView.error('PDF failed to download.');
-// }
-// window.URL.revokeObjectURL(blobUrl);
-// }
-// );
-// },
-// noData // Error occurred try downloading with just the url.
-// );
-//#endif
- },
-
- fallback: function pdfViewFallback() {
-//#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', url, function response(download) {
-// if (!download)
-// return;
-// PDFView.download();
-// });
-//#endif
- },
-
- navigateTo: function pdfViewNavigateTo(dest) {
- if (typeof dest === 'string')
- dest = this.destinations[dest];
- if (!(dest instanceof Array))
- return; // invalid destination
- // dest array looks like that: <page-ref> </XYZ|FitXXX> <args..>
- var destRef = dest[0];
- var pageNumber = destRef instanceof Object ?
- this.pagesRefMap[destRef.num + ' ' + destRef.gen + ' R'] : (destRef + 1);
- if (pageNumber > this.pages.length)
- pageNumber = this.pages.length;
- if (pageNumber) {
- this.page = pageNumber;
- var currentPage = this.pages[pageNumber - 1];
- if (!this.isFullscreen) { // Avoid breaking fullscreen mode.
- currentPage.scrollIntoView(dest);
- }
- }
- },
-
- getDestinationHash: function pdfViewGetDestinationHash(dest) {
- if (typeof dest === 'string')
- return PDFView.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 = PDFView.getAnchorUrl('#page=' + pageNumber);
- var destKind = dest[1];
- if (typeof destKind === 'object' && 'name' in destKind &&
- destKind.name == 'XYZ') {
- var scale = (dest[4] || this.currentScale);
- pdfOpenParams += '&zoom=' + (scale * 100);
- if (dest[2] || dest[3]) {
- pdfOpenParams += ',' + (dest[2] || 0) + ',' + (dest[3] || 0);
- }
- }
- return pdfOpenParams;
- }
- }
- return '';
- },
-
- /**
- * For the firefox extension we prefix the full url on anchor links so they
- * don't come up as resource:// urls and so open in new tab/window works.
- * @param {String} anchor The anchor hash include the #.
- */
- getAnchorUrl: function getAnchorUrl(anchor) {
-//#if !(FIREFOX || MOZCENTRAL)
- return anchor;
-//#else
-// return this.url.split('#')[0] + anchor;
-//#endif
- },
-
- /**
- * Returns scale factor for the canvas. It makes sense for the HiDPI displays.
- * @return {Object} The object with horizontal (sx) and vertical (sy)
- scales. The scaled property is set to false if scaling is
- not required, true otherwise.
- */
- getOutputScale: function pdfViewGetOutputDPI() {
- var pixelRatio = 'devicePixelRatio' in window ? window.devicePixelRatio : 1;
- return {
- sx: pixelRatio,
- sy: pixelRatio,
- scaled: pixelRatio != 1
- };
- },
-
- /**
- * 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}}');
- }
- }
- }
-
- var loadingBox = document.getElementById('loadingBox');
- loadingBox.setAttribute('hidden', 'true');
-
-//#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');
- };
- lessInfoButton.onclick = function() {
- errorMoreInfo.setAttribute('hidden', 'true');
- moreInfoButton.removeAttribute('hidden');
- lessInfoButton.setAttribute('hidden', 'true');
- };
- moreInfoButton.removeAttribute('hidden');
- lessInfoButton.setAttribute('hidden', 'true');
- errorMoreInfo.value = moreInfoText;
-
- errorMoreInfo.rows = moreInfoText.split('\n').length - 1;
-//#else
-// console.error(message + '\n' + moreInfoText);
-// this.fallback();
-//#endif
- },
-
- progress: function pdfViewProgress(level) {
- var percent = Math.round(level * 100);
- PDFView.loadingBar.percent = percent;
- },
-
- load: function pdfViewLoad(pdfDocument, scale) {
- function bindOnAfterDraw(pageView, thumbnailView) {
- // when page is painted, using the image as thumbnail base
- pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
- thumbnailView.setImage(pageView.canvas);
- };
- }
-
- this.pdfDocument = pdfDocument;
-
- var errorWrapper = document.getElementById('errorWrapper');
- errorWrapper.setAttribute('hidden', 'true');
-
- var loadingBox = document.getElementById('loadingBox');
- loadingBox.setAttribute('hidden', 'true');
- var loadingIndicator = document.getElementById('loading');
- loadingIndicator.textContent = '';
-
- var thumbsView = document.getElementById('thumbnailView');
- thumbsView.parentNode.scrollTop = 0;
-
- while (thumbsView.hasChildNodes())
- thumbsView.removeChild(thumbsView.lastChild);
-
- if ('_loadingInterval' in thumbsView)
- clearInterval(thumbsView._loadingInterval);
-
- var container = document.getElementById('viewer');
- while (container.hasChildNodes())
- container.removeChild(container.lastChild);
-
- var pagesCount = pdfDocument.numPages;
- var id = pdfDocument.fingerprint;
- document.getElementById('numPages').textContent =
- mozL10n.get('page_of', {pageCount: pagesCount}, 'of {{pageCount}}');
- document.getElementById('pageNumber').max = pagesCount;
-
- PDFView.documentFingerprint = id;
- var store = PDFView.store = new Settings(id);
-
- this.pageRotation = 0;
-
- var pages = this.pages = [];
- this.pageText = [];
- this.startedTextExtraction = false;
- var pagesRefMap = this.pagesRefMap = {};
- var thumbnails = this.thumbnails = [];
-
- var pagesPromise = new PDFJS.Promise();
- var self = this;
-
- var firstPagePromise = pdfDocument.getPage(1);
-
- // Fetch a single page so we can get a viewport that will be the default
- // viewport for all pages
- firstPagePromise.then(function(pdfPage) {
- var viewport = pdfPage.getViewport(scale || 1.0);
- var pagePromises = [];
- for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- var viewportClone = viewport.clone();
- var pageView = new PageView(container, pageNum, scale,
- self.navigateTo.bind(self),
- viewportClone);
- var thumbnailView = new ThumbnailView(thumbsView, pageNum,
- viewportClone);
- bindOnAfterDraw(pageView, thumbnailView);
- pages.push(pageView);
- thumbnails.push(thumbnailView);
- }
-
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('documentload', true, true, {});
- window.dispatchEvent(event);
-
- for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- var pagePromise = pdfDocument.getPage(pageNum);
- pagePromise.then(function(pdfPage) {
- var pageNum = pdfPage.pageNumber;
- var pageView = pages[pageNum - 1];
- if (!pageView.pdfPage) {
- // The pdfPage might already be set if we've already entered
- // pageView.draw()
- pageView.setPdfPage(pdfPage);
- }
- var thumbnailView = thumbnails[pageNum - 1];
- if (!thumbnailView.pdfPage) {
- thumbnailView.setPdfPage(pdfPage);
- }
-
- var pageRef = pdfPage.ref;
- var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
- pagesRefMap[refStr] = pdfPage.pageNumber;
- });
- pagePromises.push(pagePromise);
- }
-
- PDFJS.Promise.all(pagePromises).then(function(pages) {
- pagesPromise.resolve(pages);
- });
- });
-
- var storePromise = store.initializedPromise;
- PDFJS.Promise.all([firstPagePromise, storePromise]).then(function() {
- var storedHash = null;
- if (store.get('exists', false)) {
- var pageNum = store.get('page', '1');
- var zoom = store.get('zoom', PDFView.currentScale);
- var left = store.get('scrollLeft', '0');
- var top = store.get('scrollTop', '0');
-
- storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' +
- left + ',' + top;
- }
- self.setInitialView(storedHash, scale);
- });
-
- pagesPromise.then(function() {
- if (PDFView.supportsPrinting) {
- pdfDocument.getJavaScript().then(function(javaScript) {
- if (javaScript.length) {
- console.warn('Warning: JavaScript is not supported');
- PDFView.fallback();
- }
- // 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;
- }
- }
- });
- }
- });
-
- var destinationsPromise = pdfDocument.getDestinations();
- destinationsPromise.then(function(destinations) {
- self.destinations = destinations;
- });
-
- // outline depends on destinations and pagesRefMap
- var promises = [pagesPromise, destinationsPromise,
- PDFView.animationStartedPromise];
- PDFJS.Promise.all(promises).then(function() {
- pdfDocument.getOutline().then(function(outline) {
- self.outline = new DocumentOutlineView(outline);
- });
-
- // Make all navigation keys work on document load,
- // unless the viewer is embedded in another page.
- if (window.parent.location === window.location) {
- PDFView.container.focus();
- }
- });
-
- 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 || '-') +
- ' / ' + (info.Creator || '-') + ']' +
- (PDFJS.version ? ' (PDF.js: ' + PDFJS.version + ')' : ''));
-
- var pdfTitle;
- if (metadata) {
- if (metadata.has('dc:title'))
- pdfTitle = metadata.get('dc: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');
- PDFView.fallback();
- }
- });
- },
-
- setInitialView: function pdfViewSetInitialView(storedHash, scale) {
- // Reset the current scale, as otherwise the page's scale might not get
- // updated if the zoom level stayed the same.
- this.currentScale = 0;
- this.currentScaleValue = null;
- if (this.initialBookmark) {
- this.setHash(this.initialBookmark);
- this.initialBookmark = null;
- }
- else if (storedHash)
- this.setHash(storedHash);
- else if (scale) {
- this.parseScale(scale, true);
- this.page = 1;
- }
-
- if (PDFView.currentScale === UNKNOWN_SCALE) {
- // Scale was not initialized: invalid bookmark or scale was not specified.
- // Setting the default one.
- this.parseScale(DEFAULT_SCALE, true);
- }
- },
-
- renderHighestPriority: function pdfViewRenderHighestPriority() {
- // Pages have a higher priority than thumbnails, so check them first.
- var visiblePages = this.getVisiblePages();
- var pageView = this.getHighestPriority(visiblePages, this.pages,
- this.pageViewScroll.down);
- if (pageView) {
- this.renderView(pageView, 'page');
- return;
- }
- // No pages needed rendering so check thumbnails.
- if (this.sidebarOpen) {
- var visibleThumbs = this.getVisibleThumbs();
- var thumbView = this.getHighestPriority(visibleThumbs,
- this.thumbnails,
- this.thumbnailViewScroll.down);
- if (thumbView)
- this.renderView(thumbView, 'thumbnail');
- }
- },
-
- getHighestPriority: function pdfViewGetHighestPriority(visible, views,
- scrolledDown) {
- // The state has changed figure out which page has the highest priority to
- // render next (if any).
- // Priority:
- // 1 visible pages
- // 2 if last scrolled down page after the visible pages
- // 2 if last scrolled up page before the visible pages
- var visibleViews = visible.views;
-
- var numVisible = visibleViews.length;
- if (numVisible === 0) {
- return false;
- }
- for (var i = 0; i < numVisible; ++i) {
- var view = visibleViews[i].view;
- if (!this.isViewFinished(view))
- return view;
- }
-
- // All the visible views have rendered, try to render next/previous pages.
- if (scrolledDown) {
- var nextPageIndex = visible.last.id;
- // ID's start at 1 so no need to add 1.
- if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex]))
- return views[nextPageIndex];
- } else {
- var previousPageIndex = visible.first.id - 2;
- if (views[previousPageIndex] &&
- !this.isViewFinished(views[previousPageIndex]))
- return views[previousPageIndex];
- }
- // Everything that needs to be rendered has been.
- return false;
- },
-
- isViewFinished: function pdfViewNeedsRendering(view) {
- return view.renderingState === RenderingStates.FINISHED;
- },
-
- // Render a page or thumbnail view. This calls the appropriate function based
- // on the views state. If the view is already rendered it will return false.
- renderView: function pdfViewRender(view, type) {
- var state = view.renderingState;
- switch (state) {
- case RenderingStates.FINISHED:
- return false;
- case RenderingStates.PAUSED:
- PDFView.highestPriorityPage = type + view.id;
- view.resume();
- break;
- case RenderingStates.RUNNING:
- PDFView.highestPriorityPage = type + view.id;
- break;
- case RenderingStates.INITIAL:
- PDFView.highestPriorityPage = type + view.id;
- view.draw(this.renderHighestPriority.bind(this));
- break;
- }
- return true;
- },
-
- setHash: function pdfViewSetHash(hash) {
- if (!hash)
- return;
-
- if (hash.indexOf('=') >= 0) {
- var params = PDFView.parseQueryString(hash);
- // borrowing syntax from "Parameters for Opening PDF Files"
- if ('nameddest' in params) {
- PDFView.navigateTo(params.nameddest);
- return;
- }
- if ('page' in params) {
- var 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);
- if (zoomArgNumber)
- zoomArg = zoomArgNumber / 100;
-
- var dest = [null, {name: 'XYZ'},
- zoomArgs.length > 1 ? (zoomArgs[1] | 0) : null,
- zoomArgs.length > 2 ? (zoomArgs[2] | 0) : null,
- zoomArg];
- var currentPage = this.pages[pageNumber - 1];
- currentPage.scrollIntoView(dest);
- } else {
- this.page = pageNumber; // simple page
- }
- }
- if ('pagemode' in params) {
- var toggle = document.getElementById('sidebarToggle');
- if (params.pagemode === 'thumbs' || params.pagemode === 'bookmarks') {
- if (!this.sidebarOpen) {
- toggle.click();
- }
- this.switchSidebarView(params.pagemode === 'thumbs' ?
- 'thumbs' : 'outline');
- } else if (params.pagemode === 'none' && this.sidebarOpen) {
- toggle.click();
- }
- }
- } else if (/^\d+$/.test(hash)) // page number
- this.page = hash;
- else // named destination
- PDFView.navigateTo(unescape(hash));
- },
-
- switchSidebarView: function pdfViewSwitchSidebarView(view) {
- var thumbsView = document.getElementById('thumbnailView');
- var outlineView = document.getElementById('outlineView');
-
- var thumbsButton = document.getElementById('viewThumbnail');
- var outlineButton = document.getElementById('viewOutline');
-
- switch (view) {
- case 'thumbs':
- var wasOutlineViewVisible = thumbsView.classList.contains('hidden');
-
- thumbsButton.classList.add('toggled');
- outlineButton.classList.remove('toggled');
- thumbsView.classList.remove('hidden');
- outlineView.classList.add('hidden');
-
- PDFView.renderHighestPriority();
-
- if (wasOutlineViewVisible) {
- // Ensure that the thumbnail of the current page is visible
- // when switching from the outline view.
- scrollIntoView(document.getElementById('thumbnailContainer' +
- this.page));
- }
- break;
-
- case 'outline':
- thumbsButton.classList.remove('toggled');
- outlineButton.classList.add('toggled');
- thumbsView.classList.add('hidden');
- outlineView.classList.remove('hidden');
-
- if (outlineButton.getAttribute('disabled'))
- return;
- break;
- }
- },
-
- getVisiblePages: function pdfViewGetVisiblePages() {
- if (!this.isFullscreen) {
- return this.getVisibleElements(this.container, this.pages, true);
- } else {
- // The algorithm in getVisibleElements is broken in fullscreen mode.
- var visible = [], page = this.page;
- var currentPage = this.pages[page - 1];
- visible.push({ id: currentPage.id, view: currentPage });
-
- return { first: currentPage, last: currentPage, views: visible};
- }
- },
-
- getVisibleThumbs: function pdfViewGetVisibleThumbs() {
- return this.getVisibleElements(this.thumbnailContainer, this.thumbnails);
- },
-
- // Generic helper to find out what elements are visible within a scroll pane.
- getVisibleElements: function pdfViewGetVisibleElements(
- scrollEl, views, sortByVisibility) {
- var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
- var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
-
- var visible = [], view;
- var currentHeight, viewHeight, hiddenHeight, percentHeight;
- var currentWidth, viewWidth;
- for (var i = 0, ii = views.length; i < ii; ++i) {
- view = views[i];
- currentHeight = view.el.offsetTop + view.el.clientTop;
- viewHeight = view.el.clientHeight;
- if ((currentHeight + viewHeight) < top) {
- continue;
- }
- if (currentHeight > bottom) {
- break;
- }
- currentWidth = view.el.offsetLeft + view.el.clientLeft;
- viewWidth = view.el.clientWidth;
- if ((currentWidth + viewWidth) < left || currentWidth > right) {
- continue;
- }
- hiddenHeight = Math.max(0, top - currentHeight) +
- Math.max(0, currentHeight + viewHeight - bottom);
- percentHeight = ((viewHeight - hiddenHeight) * 100 / viewHeight) | 0;
-
- visible.push({ id: view.id, y: currentHeight,
- view: view, percent: percentHeight });
- }
-
- var first = visible[0];
- var last = visible[visible.length - 1];
-
- if (sortByVisibility) {
- visible.sort(function(a, b) {
- var pc = a.percent - b.percent;
- if (Math.abs(pc) > 0.001) {
- return -pc;
- }
- return a.id - b.id; // ensure stability
- });
- }
- return {first: first, last: last, views: visible};
- },
-
- // 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 < parts.length; ++i) {
- var param = parts[i].split('=');
- var key = param[0];
- var value = param.length > 1 ? param[1] : null;
- params[unescape(key)] = unescape(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;
- if (!this.pages.length) {
- alertNotReady = true;
- } else {
- for (var i = 0, ii = this.pages.length; i < ii; ++i) {
- if (!this.pages[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;
- }
-
- var body = document.querySelector('body');
- body.setAttribute('data-mozPrintCallback', true);
- for (var i = 0, ii = this.pages.length; i < ii; ++i) {
- this.pages[i].beforePrint();
- }
- },
-
- afterPrint: function pdfViewSetupAfterPrint() {
- var div = document.getElementById('printContainer');
- while (div.hasChildNodes())
- div.removeChild(div.lastChild);
- },
-
- fullscreen: function pdfViewFullscreen() {
- var isFullscreen = document.fullscreenElement || document.mozFullScreen ||
- document.webkitIsFullScreen;
-
- if (isFullscreen) {
- return false;
- }
-
- var wrapper = document.getElementById('viewerContainer');
- if (document.documentElement.requestFullscreen) {
- wrapper.requestFullscreen();
- } else if (document.documentElement.mozRequestFullScreen) {
- wrapper.mozRequestFullScreen();
- } else if (document.documentElement.webkitRequestFullScreen) {
- wrapper.webkitRequestFullScreen(Element.ALLOW_KEYBOARD_INPUT);
- } else {
- return false;
- }
-
- this.isFullscreen = true;
- var currentPage = this.pages[this.page - 1];
- this.previousScale = this.currentScaleValue;
- this.parseScale('page-fit', true);
-
- // Wait for fullscreen to take effect
- setTimeout(function() {
- currentPage.scrollIntoView();
- }, 0);
-
- this.showPresentationControls();
- return true;
- },
-
- exitFullscreen: function pdfViewExitFullscreen() {
- this.isFullscreen = false;
- this.parseScale(this.previousScale);
- this.page = this.page;
- this.clearMouseScrollState();
- this.hidePresentationControls();
-
- // Ensure that the thumbnail of the current page is visible
- // when exiting fullscreen mode.
- scrollIntoView(document.getElementById('thumbnailContainer' + this.page));
- },
-
- showPresentationControls: function pdfViewShowPresentationControls() {
- var DELAY_BEFORE_HIDING_CONTROLS = 3000;
- var wrapper = document.getElementById('viewerContainer');
- if (this.presentationControlsTimeout) {
- clearTimeout(this.presentationControlsTimeout);
- } else {
- wrapper.classList.add('presentationControls');
- }
- this.presentationControlsTimeout = setTimeout(function hideControls() {
- wrapper.classList.remove('presentationControls');
- delete PDFView.presentationControlsTimeout;
- }, DELAY_BEFORE_HIDING_CONTROLS);
- },
-
- hidePresentationControls: function pdfViewShowPresentationControls() {
- if (!this.presentationControlsTimeout) {
- return;
- }
- clearTimeout(this.presentationControlsTimeout);
- delete this.presentationControlsTimeout;
-
- var wrapper = document.getElementById('viewerContainer');
- wrapper.classList.remove('presentationControls');
- },
-
- rotatePages: function pdfViewPageRotation(delta) {
-
- this.pageRotation = (this.pageRotation + 360 + delta) % 360;
-
- for (var i = 0, l = this.pages.length; i < l; i++) {
- var page = this.pages[i];
- page.update(page.scale, this.pageRotation);
- }
-
- for (var i = 0, l = this.thumbnails.length; i < l; i++) {
- var thumb = this.thumbnails[i];
- thumb.update(this.pageRotation);
- }
-
- this.parseScale(this.currentScaleValue, true);
-
- this.renderHighestPriority();
-
- var currentPage = this.pages[this.page - 1];
- if (!currentPage) {
- return;
- }
-
- // Wait for fullscreen to take effect
- setTimeout(function() {
- currentPage.scrollIntoView();
- }, 0);
- },
-
- /**
- * 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 fullscreen 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.pages.length &&
- 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;
- }
-};
-
-var PageView = function pageView(container, id, scale,
- navigateTo, defaultViewport) {
- this.id = id;
-
- this.rotation = 0;
- this.scale = scale || 1.0;
- this.viewport = defaultViewport;
- this.pdfPageRotate = defaultViewport.rotate;
-
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
-
- this.textContent = null;
- this.textLayer = null;
-
- var anchor = document.createElement('a');
- anchor.name = '' + this.id;
-
- var div = this.el = document.createElement('div');
- div.id = 'pageContainer' + this.id;
- div.className = 'page';
- div.style.width = Math.floor(this.viewport.width) + 'px';
- div.style.height = Math.floor(this.viewport.height) + 'px';
-
- container.appendChild(anchor);
- container.appendChild(div);
-
- this.setPdfPage = function pageViewSetPdfPage(pdfPage) {
- this.pdfPage = pdfPage;
- this.pdfPageRotate = pdfPage.rotate;
- this.viewport = pdfPage.getViewport(this.scale);
- this.stats = pdfPage.stats;
- this.update();
- };
-
- this.destroy = function pageViewDestroy() {
- this.update();
- if (this.pdfPage) {
- this.pdfPage.destroy();
- }
- };
-
- this.update = function pageViewUpdate(scale, rotation) {
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
-
- if (typeof rotation !== 'undefined') {
- this.rotation = rotation;
- }
-
- this.scale = scale || this.scale;
-
- var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = this.viewport.clone({
- scale: this.scale,
- rotation: totalRotation
- });
-
- div.style.width = Math.floor(this.viewport.width) + 'px';
- div.style.height = Math.floor(this.viewport.height) + 'px';
-
- while (div.hasChildNodes())
- div.removeChild(div.lastChild);
- div.removeAttribute('data-loaded');
-
- delete this.canvas;
-
- this.loadingIconDiv = document.createElement('div');
- this.loadingIconDiv.className = 'loadingIcon';
- div.appendChild(this.loadingIconDiv);
- };
-
- Object.defineProperty(this, 'width', {
- get: function PageView_getWidth() {
- return this.viewport.width;
- },
- enumerable: true
- });
-
- Object.defineProperty(this, 'height', {
- get: function PageView_getHeight() {
- return this.viewport.height;
- },
- enumerable: true
- });
-
- function setupAnnotations(pdfPage, viewport) {
- function bindLink(link, dest) {
- link.href = PDFView.getDestinationHash(dest);
- link.onclick = function pageViewSetupLinksOnclick() {
- if (dest)
- PDFView.navigateTo(dest);
- return false;
- };
- }
- function createElementWithStyle(tagName, item, rect) {
- if (!rect) {
- rect = viewport.convertToViewportRectangle(item.rect);
- rect = PDFJS.Util.normalizeRect(rect);
- }
- var element = document.createElement(tagName);
- element.style.left = Math.floor(rect[0]) + 'px';
- element.style.top = Math.floor(rect[1]) + 'px';
- element.style.width = Math.ceil(rect[2] - rect[0]) + 'px';
- element.style.height = Math.ceil(rect[3] - rect[1]) + 'px';
- return element;
- }
- function createTextAnnotation(item) {
- var container = document.createElement('section');
- container.className = 'annotText';
-
- var rect = viewport.convertToViewportRectangle(item.rect);
- rect = PDFJS.Util.normalizeRect(rect);
- // sanity check because of OOo-generated PDFs
- if ((rect[3] - rect[1]) < ANNOT_MIN_SIZE) {
- rect[3] = rect[1] + ANNOT_MIN_SIZE;
- }
- if ((rect[2] - rect[0]) < ANNOT_MIN_SIZE) {
- rect[2] = rect[0] + (rect[3] - rect[1]); // make it square
- }
- var image = createElementWithStyle('img', item, rect);
- var iconName = item.name;
- image.src = IMAGE_DIR + 'annotation-' +
- iconName.toLowerCase() + '.svg';
- image.alt = mozL10n.get('text_annotation_type', {type: iconName},
- '[{{type}} Annotation]');
- var content = document.createElement('div');
- content.setAttribute('hidden', true);
- var title = document.createElement('h1');
- var text = document.createElement('p');
- content.style.left = Math.floor(rect[2]) + 'px';
- content.style.top = Math.floor(rect[1]) + 'px';
- title.textContent = item.title;
-
- if (!item.content && !item.title) {
- content.setAttribute('hidden', true);
- } else {
- var e = document.createElement('span');
- var lines = item.content.split(/(?:\r\n?|\n)/);
- for (var i = 0, ii = lines.length; i < ii; ++i) {
- var line = lines[i];
- e.appendChild(document.createTextNode(line));
- if (i < (ii - 1))
- e.appendChild(document.createElement('br'));
- }
- text.appendChild(e);
- image.addEventListener('mouseover', function annotationImageOver() {
- content.removeAttribute('hidden');
- }, false);
-
- image.addEventListener('mouseout', function annotationImageOut() {
- content.setAttribute('hidden', true);
- }, false);
- }
-
- content.appendChild(title);
- content.appendChild(text);
- container.appendChild(image);
- container.appendChild(content);
-
- return container;
- }
-
- pdfPage.getAnnotations().then(function(items) {
- for (var i = 0; i < items.length; i++) {
- var item = items[i];
- switch (item.type) {
- case 'Link':
- var link = createElementWithStyle('a', item);
- link.href = item.url || '';
- if (!item.url)
- bindLink(link, ('dest' in item) ? item.dest : null);
- div.appendChild(link);
- break;
- case 'Text':
- var textAnnotation = createTextAnnotation(item);
- if (textAnnotation)
- div.appendChild(textAnnotation);
- break;
- }
- }
- });
- }
-
- this.getPagePoint = function pageViewGetPagePoint(x, y) {
- return this.viewport.convertToPdfPoint(x, y);
- };
-
- this.scrollIntoView = function pageViewScrollIntoView(dest) {
- if (!dest) {
- scrollIntoView(div);
- return;
- }
-
- var x = 0, y = 0;
- var width = 0, height = 0, widthScale, heightScale;
- var scale = 0;
- switch (dest[1].name) {
- case 'XYZ':
- x = dest[2];
- y = dest[3];
- scale = dest[4];
- // If x and/or y coordinates are not supplied, default to
- // _top_ left of the page (not the obvious bottom left,
- // since aligning the bottom of the intended page with the
- // top of the window is rarely helpful).
- x = x !== null ? x : 0;
- y = y !== null ? y : this.height / this.scale;
- break;
- case 'Fit':
- case 'FitB':
- scale = 'page-fit';
- break;
- case 'FitH':
- case 'FitBH':
- y = dest[2];
- scale = 'page-width';
- break;
- case 'FitV':
- case 'FitBV':
- x = dest[2];
- scale = 'page-height';
- break;
- case 'FitR':
- x = dest[2];
- y = dest[3];
- width = dest[4] - x;
- height = dest[5] - y;
- widthScale = (this.container.clientWidth - SCROLLBAR_PADDING) /
- width / CSS_UNITS;
- heightScale = (this.container.clientHeight - SCROLLBAR_PADDING) /
- height / CSS_UNITS;
- scale = Math.min(widthScale, heightScale);
- break;
- default:
- return;
- }
-
- if (scale && scale !== PDFView.currentScale)
- PDFView.parseScale(scale, true, true);
- else if (PDFView.currentScale === UNKNOWN_SCALE)
- PDFView.parseScale(DEFAULT_SCALE, true, true);
-
- var boundingRect = [
- this.viewport.convertToViewportPoint(x, y),
- this.viewport.convertToViewportPoint(x + width, y + height)
- ];
- setTimeout(function pageViewScrollIntoViewRelayout() {
- // letting page to re-layout before scrolling
- var scale = PDFView.currentScale;
- var x = Math.min(boundingRect[0][0], boundingRect[1][0]);
- var y = Math.min(boundingRect[0][1], boundingRect[1][1]);
- var width = Math.abs(boundingRect[0][0] - boundingRect[1][0]);
- var height = Math.abs(boundingRect[0][1] - boundingRect[1][1]);
-
- scrollIntoView(div, {left: x, top: y, width: width, height: height});
- }, 0);
- };
-
- this.getTextContent = function pageviewGetTextContent() {
- if (!this.textContent) {
- this.textContent = this.pdfPage.getTextContent();
- }
- return this.textContent;
- };
-
- this.draw = function pageviewDraw(callback) {
- var pdfPage = this.pdfPage;
-
- if (!pdfPage) {
- var promise = PDFView.getPage(this.id);
- promise.then(function(pdfPage) {
- this.setPdfPage(pdfPage);
- this.draw(callback);
- }.bind(this));
- return;
- }
-
- if (this.renderingState !== RenderingStates.INITIAL) {
- console.error('Must be in new state before drawing');
- }
-
- this.renderingState = RenderingStates.RUNNING;
-
- var canvas = document.createElement('canvas');
- canvas.id = 'page' + this.id;
- div.appendChild(canvas);
- this.canvas = canvas;
-
- var scale = this.scale, viewport = this.viewport;
- var outputScale = PDFView.getOutputScale();
- canvas.width = Math.floor(viewport.width) * outputScale.sx;
- canvas.height = Math.floor(viewport.height) * outputScale.sy;
-
- var textLayerDiv = null;
- if (!PDFJS.disableTextLayer) {
- textLayerDiv = document.createElement('div');
- textLayerDiv.className = 'textLayer';
- textLayerDiv.style.width = canvas.width + 'px';
- textLayerDiv.style.height = canvas.height + 'px';
- div.appendChild(textLayerDiv);
- }
- var textLayer = this.textLayer =
- textLayerDiv ? new TextLayerBuilder(textLayerDiv, this.id - 1) : null;
-
- if (outputScale.scaled) {
- var cssScale = 'scale(' + (1 / outputScale.sx) + ', ' +
- (1 / outputScale.sy) + ')';
- CustomStyle.setProp('transform' , canvas, cssScale);
- CustomStyle.setProp('transformOrigin' , canvas, '0% 0%');
- if (textLayerDiv) {
- CustomStyle.setProp('transform' , textLayerDiv, cssScale);
- CustomStyle.setProp('transformOrigin' , textLayerDiv, '0% 0%');
- }
- }
-
- var ctx = canvas.getContext('2d');
- ctx.clearRect(0, 0, canvas.width, canvas.height);
- // TODO(mack): use data attributes to store these
- ctx._scaleX = outputScale.sx;
- ctx._scaleY = outputScale.sy;
- if (outputScale.scaled) {
- ctx.scale(outputScale.sx, outputScale.sy);
- }
-//#if (FIREFOX || MOZCENTRAL)
-// // Checking if document fonts are used only once
-// var checkIfDocumentFontsUsed = !PDFView.pdfDocument.embeddedFontsUsed;
-//#endif
-
- // Rendering area
-
- var self = this;
- var renderingWasReset = false;
- function pageViewDrawCallback(error) {
- if (renderingWasReset) {
- return;
- }
-
- self.renderingState = RenderingStates.FINISHED;
-
- if (self.loadingIconDiv) {
- div.removeChild(self.loadingIconDiv);
- delete self.loadingIconDiv;
- }
-
-//#if (FIREFOX || MOZCENTRAL)
-// if (checkIfDocumentFontsUsed && PDFView.pdfDocument.embeddedFontsUsed &&
-// !PDFView.supportsDocumentFonts) {
-// console.error(mozL10n.get('web_fonts_disabled', null,
-// 'Web fonts are disabled: unable to use embedded PDF fonts.'));
-// PDFView.fallback();
-// }
-//#endif
- if (error) {
- PDFView.error(mozL10n.get('rendering_error', null,
- 'An error occurred while rendering the page.'), error);
- }
-
- self.stats = pdfPage.stats;
- self.updateStats();
- if (self.onAfterDraw)
- self.onAfterDraw();
-
- cache.push(self);
-
- var event = document.createEvent('CustomEvent');
- event.initCustomEvent('pagerender', true, true, {
- pageNumber: pdfPage.pageNumber
- });
- div.dispatchEvent(event);
-
- callback();
- }
-
- var renderContext = {
- canvasContext: ctx,
- viewport: this.viewport,
- textLayer: textLayer,
- continueCallback: function pdfViewcContinueCallback(cont) {
- if (self.renderingState === RenderingStates.INITIAL) {
- // The page update() was called, we just need to abort any rendering.
- renderingWasReset = true;
- return;
- }
-
- if (PDFView.highestPriorityPage !== 'page' + self.id) {
- self.renderingState = RenderingStates.PAUSED;
- self.resume = function resumeCallback() {
- self.renderingState = RenderingStates.RUNNING;
- cont();
- };
- return;
- }
- cont();
- }
- };
- this.pdfPage.render(renderContext).then(
- function pdfPageRenderCallback() {
- pageViewDrawCallback(null);
- },
- function pdfPageRenderError(error) {
- pageViewDrawCallback(error);
- }
- );
-
- if (textLayer) {
- this.getTextContent().then(
- function textContentResolved(textContent) {
- textLayer.setTextContent(textContent);
- }
- );
- }
-
- setupAnnotations(this.pdfPage, this.viewport);
- div.setAttribute('data-loaded', true);
- };
-
- this.beforePrint = function pageViewBeforePrint() {
- var pdfPage = this.pdfPage;
-
- var viewport = pdfPage.getViewport(1);
- // Use the same hack we use for high dpi displays for printing to get better
- // output until bug 811002 is fixed in FF.
- var PRINT_OUTPUT_SCALE = 2;
- var canvas = this.canvas = document.createElement('canvas');
- canvas.width = Math.floor(viewport.width) * PRINT_OUTPUT_SCALE;
- canvas.height = Math.floor(viewport.height) * PRINT_OUTPUT_SCALE;
- canvas.style.width = (PRINT_OUTPUT_SCALE * viewport.width) + 'pt';
- canvas.style.height = (PRINT_OUTPUT_SCALE * viewport.height) + 'pt';
- var cssScale = 'scale(' + (1 / PRINT_OUTPUT_SCALE) + ', ' +
- (1 / PRINT_OUTPUT_SCALE) + ')';
- CustomStyle.setProp('transform' , canvas, cssScale);
- CustomStyle.setProp('transformOrigin' , canvas, '0% 0%');
-
- var printContainer = document.getElementById('printContainer');
- printContainer.appendChild(canvas);
-
- var self = this;
- canvas.mozPrintCallback = function(obj) {
- var ctx = obj.context;
-
- ctx.save();
- ctx.fillStyle = 'rgb(255, 255, 255)';
- ctx.fillRect(0, 0, canvas.width, canvas.height);
- ctx.restore();
- ctx.scale(PRINT_OUTPUT_SCALE, PRINT_OUTPUT_SCALE);
-
- var renderContext = {
- canvasContext: ctx,
- viewport: viewport
- };
-
- pdfPage.render(renderContext).then(function() {
- // Tell the printEngine that rendering this canvas/page has finished.
- obj.done();
- self.pdfPage.destroy();
- }, function(error) {
- console.error(error);
- // Tell the printEngine that rendering this canvas/page has failed.
- // This will make the print proces stop.
- if ('abort' in obj)
- obj.abort();
- else
- obj.done();
- self.pdfPage.destroy();
- });
- };
- };
-
- this.updateStats = function pageViewUpdateStats() {
- if (!this.stats) {
- return;
- }
-
- if (PDFJS.pdfBug && Stats.enabled) {
- var stats = this.stats;
- Stats.add(this.id, stats);
- }
- };
-};
-
-var ThumbnailView = function thumbnailView(container, id, defaultViewport) {
- var anchor = document.createElement('a');
- anchor.href = PDFView.getAnchorUrl('#page=' + id);
- anchor.title = mozL10n.get('thumb_page_title', {page: id}, 'Page {{page}}');
- anchor.onclick = function stopNavigation() {
- PDFView.page = id;
- return false;
- };
-
-
- this.pdfPage = undefined;
- this.viewport = defaultViewport;
- this.pdfPageRotate = defaultViewport.rotate;
-
- this.rotation = 0;
- this.pageWidth = this.viewport.width;
- this.pageHeight = this.viewport.height;
- this.pageRatio = this.pageWidth / this.pageHeight;
- this.id = id;
-
- this.canvasWidth = 98;
- this.canvasHeight = this.canvasWidth / this.pageWidth * this.pageHeight;
- this.scale = (this.canvasWidth / this.pageWidth);
-
- var div = this.el = document.createElement('div');
- div.id = 'thumbnailContainer' + id;
- div.className = 'thumbnail';
-
- if (id === 1) {
- // Highlight the thumbnail of the first page when no page number is
- // specified (or exists in cache) when the document is loaded.
- div.classList.add('selected');
- }
-
- var ring = document.createElement('div');
- ring.className = 'thumbnailSelectionRing';
- ring.style.width = this.canvasWidth + 'px';
- ring.style.height = this.canvasHeight + 'px';
-
- div.appendChild(ring);
- anchor.appendChild(div);
- container.appendChild(anchor);
-
- this.hasImage = false;
- this.renderingState = RenderingStates.INITIAL;
-
- this.setPdfPage = function thumbnailViewSetPdfPage(pdfPage) {
- this.pdfPage = pdfPage;
- this.pdfPageRotate = pdfPage.rotate;
- this.viewport = pdfPage.getViewport(1);
- this.update();
- };
-
- this.update = function thumbnailViewUpdate(rot) {
- if (!this.pdfPage) {
- return;
- }
-
- if (rot !== undefined) {
- this.rotation = rot;
- }
-
- var totalRotation = (this.rotation + this.pdfPage.rotate) % 360;
- this.viewport = this.viewport.clone({
- scale: 1,
- rotation: totalRotation
- });
- this.pageWidth = this.viewport.width;
- this.pageHeight = this.viewport.height;
- this.pageRatio = this.pageWidth / this.pageHeight;
-
- this.canvasHeight = this.canvasWidth / this.pageWidth * this.pageHeight;
- this.scale = (this.canvasWidth / this.pageWidth);
-
- div.removeAttribute('data-loaded');
- ring.textContent = '';
- ring.style.width = this.canvasWidth + 'px';
- ring.style.height = this.canvasHeight + 'px';
-
- this.hasImage = false;
- this.renderingState = RenderingStates.INITIAL;
- this.resume = null;
- };
-
- this.getPageDrawContext = function thumbnailViewGetPageDrawContext() {
- var canvas = document.createElement('canvas');
- canvas.id = 'thumbnail' + id;
-
- canvas.width = this.canvasWidth;
- canvas.height = this.canvasHeight;
- canvas.className = 'thumbnailImage';
- canvas.setAttribute('aria-label', mozL10n.get('thumb_page_canvas',
- {page: id}, 'Thumbnail of Page {{page}}'));
-
- div.setAttribute('data-loaded', true);
-
- ring.appendChild(canvas);
-
- var ctx = canvas.getContext('2d');
- ctx.save();
- ctx.fillStyle = 'rgb(255, 255, 255)';
- ctx.fillRect(0, 0, this.canvasWidth, this.canvasHeight);
- ctx.restore();
- return ctx;
- };
-
- this.drawingRequired = function thumbnailViewDrawingRequired() {
- return !this.hasImage;
- };
-
- this.draw = function thumbnailViewDraw(callback) {
- if (!this.pdfPage) {
- var promise = PDFView.getPage(this.id);
- promise.then(function(pdfPage) {
- this.setPdfPage(pdfPage);
- this.draw(callback);
- }.bind(this));
- return;
- }
-
- if (this.renderingState !== RenderingStates.INITIAL) {
- console.error('Must be in new state before drawing');
- }
-
- this.renderingState = RenderingStates.RUNNING;
- if (this.hasImage) {
- callback();
- return;
- }
-
- var self = this;
- var ctx = this.getPageDrawContext();
- var drawViewport = this.viewport.clone({ scale: this.scale });
- var renderContext = {
- canvasContext: ctx,
- viewport: drawViewport,
- continueCallback: function(cont) {
- if (PDFView.highestPriorityPage !== 'thumbnail' + self.id) {
- self.renderingState = RenderingStates.PAUSED;
- self.resume = function() {
- self.renderingState = RenderingStates.RUNNING;
- cont();
- };
- return;
- }
- cont();
- }
- };
- this.pdfPage.render(renderContext).then(
- function pdfPageRenderCallback() {
- self.renderingState = RenderingStates.FINISHED;
- callback();
- },
- function pdfPageRenderError(error) {
- self.renderingState = RenderingStates.FINISHED;
- callback();
- }
- );
- this.hasImage = true;
- };
-
- this.setImage = function thumbnailViewSetImage(img) {
- if (this.hasImage || !img)
- return;
- this.renderingState = RenderingStates.FINISHED;
- var ctx = this.getPageDrawContext();
- ctx.drawImage(img, 0, 0, img.width, img.height,
- 0, 0, ctx.canvas.width, ctx.canvas.height);
-
- this.hasImage = true;
- };
-};
-
-var DocumentOutlineView = function documentOutlineView(outline) {
- var outlineView = document.getElementById('outlineView');
- while (outlineView.firstChild)
- outlineView.removeChild(outlineView.firstChild);
-
- function bindItemLink(domObj, item) {
- domObj.href = PDFView.getDestinationHash(item.dest);
- domObj.onclick = function documentOutlineViewOnclick(e) {
- PDFView.navigateTo(item.dest);
- return false;
- };
- }
-
- if (!outline) {
- var noOutline = document.createElement('div');
- noOutline.classList.add('noOutline');
- noOutline.textContent = mozL10n.get('no_outline', null,
- 'No Outline Available');
- outlineView.appendChild(noOutline);
- return;
- }
-
- var queue = [{parent: outlineView, items: outline}];
- while (queue.length > 0) {
- var levelData = queue.shift();
- var i, n = levelData.items.length;
- for (i = 0; i < n; i++) {
- var item = levelData.items[i];
- var div = document.createElement('div');
- div.className = 'outlineItem';
- var a = document.createElement('a');
- bindItemLink(a, item);
- a.textContent = item.title;
- div.appendChild(a);
-
- if (item.items.length > 0) {
- var itemsDiv = document.createElement('div');
- itemsDiv.className = 'outlineItems';
- div.appendChild(itemsDiv);
- queue.push({parent: itemsDiv, items: item.items});
- }
-
- levelData.parent.appendChild(div);
- }
- }
-};
-
-// optimised CSS custom property getter/setter
-var CustomStyle = (function CustomStyleClosure() {
-
- // As noted on: http://www.zachstronaut.com/posts/2009/02/17/
- // animate-css-transforms-firefox-webkit.html
- // in some versions of IE9 it is critical that ms appear in this list
- // before Moz
- var prefixes = ['ms', 'Moz', 'Webkit', 'O'];
- var _cache = { };
-
- function CustomStyle() {
- }
-
- CustomStyle.getProp = function get(propName, element) {
- // check cache only when no element is given
- if (arguments.length == 1 && typeof _cache[propName] == 'string') {
- return _cache[propName];
- }
-
- element = element || document.documentElement;
- var style = element.style, prefixed, uPropName;
-
- // test standard property first
- if (typeof style[propName] == 'string') {
- return (_cache[propName] = propName);
- }
-
- // capitalize
- uPropName = propName.charAt(0).toUpperCase() + propName.slice(1);
-
- // test vendor specific properties
- for (var i = 0, l = prefixes.length; i < l; i++) {
- prefixed = prefixes[i] + uPropName;
- if (typeof style[prefixed] == 'string') {
- return (_cache[propName] = prefixed);
- }
- }
-
- //if all fails then set to undefined
- return (_cache[propName] = 'undefined');
- };
-
- CustomStyle.setProp = function set(propName, element, str) {
- var prop = this.getProp(propName);
- if (prop != 'undefined')
- element.style[prop] = str;
- };
-
- return CustomStyle;
-})();
-
-var TextLayerBuilder = function textLayerBuilder(textLayerDiv, pageIdx) {
- var textLayerFrag = document.createDocumentFragment();
-
- this.textLayerDiv = textLayerDiv;
- this.layoutDone = false;
- this.divContentDone = false;
- this.pageIdx = pageIdx;
- this.matches = [];
-
- this.beginLayout = function textLayerBuilderBeginLayout() {
- this.textDivs = [];
- this.textLayerQueue = [];
- this.renderingDone = false;
- };
-
- this.endLayout = function textLayerBuilderEndLayout() {
- this.layoutDone = true;
- this.insertDivContent();
- };
-
- this.renderLayer = function textLayerBuilderRenderLayer() {
- var self = this;
- var textDivs = this.textDivs;
- var bidiTexts = this.textContent.bidiTexts;
- var textLayerDiv = this.textLayerDiv;
- var canvas = document.createElement('canvas');
- var ctx = canvas.getContext('2d');
-
- // No point in rendering so many divs as it'd make the browser unusable
- // even after the divs are rendered
- var MAX_TEXT_DIVS_TO_RENDER = 100000;
- if (textDivs.length > MAX_TEXT_DIVS_TO_RENDER)
- return;
-
- for (var i = 0, ii = textDivs.length; i < ii; i++) {
- var textDiv = textDivs[i];
- if ('isWhitespace' in textDiv.dataset) {
- continue;
- }
- textLayerFrag.appendChild(textDiv);
-
- ctx.font = textDiv.style.fontSize + ' ' + textDiv.style.fontFamily;
- var width = ctx.measureText(textDiv.textContent).width;
-
- if (width > 0) {
- var textScale = textDiv.dataset.canvasWidth / width;
-
- var transform = 'scale(' + textScale + ', 1)';
- if (bidiTexts[i].dir === 'ttb') {
- transform = 'rotate(90deg) ' + transform;
- }
- CustomStyle.setProp('transform' , textDiv, transform);
- CustomStyle.setProp('transformOrigin' , textDiv, '0% 0%');
-
- textLayerDiv.appendChild(textDiv);
- }
- }
-
- this.renderingDone = true;
- this.updateMatches();
-
- textLayerDiv.appendChild(textLayerFrag);
- };
-
- this.setupRenderLayoutTimer = function textLayerSetupRenderLayoutTimer() {
- // Schedule renderLayout() if user has been scrolling, otherwise
- // run it right away
- var RENDER_DELAY = 200; // in ms
- var self = this;
- if (Date.now() - PDFView.lastScroll > RENDER_DELAY) {
- // Render right away
- this.renderLayer();
- } else {
- // Schedule
- if (this.renderTimer)
- clearTimeout(this.renderTimer);
- this.renderTimer = setTimeout(function() {
- self.setupRenderLayoutTimer();
- }, RENDER_DELAY);
- }
- };
-
- this.appendText = function textLayerBuilderAppendText(geom) {
- var textDiv = document.createElement('div');
-
- // vScale and hScale already contain the scaling to pixel units
- var fontHeight = geom.fontSize * Math.abs(geom.vScale);
- textDiv.dataset.canvasWidth = geom.canvasWidth * geom.hScale;
- textDiv.dataset.fontName = geom.fontName;
-
- textDiv.style.fontSize = fontHeight + 'px';
- textDiv.style.fontFamily = geom.fontFamily;
- textDiv.style.left = geom.x + 'px';
- textDiv.style.top = (geom.y - fontHeight) + 'px';
-
- // The content of the div is set in the `setTextContent` function.
-
- this.textDivs.push(textDiv);
- };
-
- this.insertDivContent = function textLayerUpdateTextContent() {
- // Only set the content of the divs once layout has finished, the content
- // for the divs is available and content is not yet set on the divs.
- if (!this.layoutDone || this.divContentDone || !this.textContent)
- return;
-
- this.divContentDone = true;
-
- var textDivs = this.textDivs;
- var bidiTexts = this.textContent.bidiTexts;
-
- for (var i = 0; i < bidiTexts.length; i++) {
- var bidiText = bidiTexts[i];
- var textDiv = textDivs[i];
- if (!/\S/.test(bidiText.str)) {
- textDiv.dataset.isWhitespace = true;
- continue;
- }
-
- textDiv.textContent = bidiText.str;
- // bidiText.dir may be 'ttb' for vertical texts.
- textDiv.dir = bidiText.dir === 'rtl' ? 'rtl' : 'ltr';
- }
-
- this.setupRenderLayoutTimer();
- };
-
- this.setTextContent = function textLayerBuilderSetTextContent(textContent) {
- this.textContent = textContent;
- this.insertDivContent();
- };
-
- this.convertMatches = function textLayerBuilderConvertMatches(matches) {
- var i = 0;
- var iIndex = 0;
- var bidiTexts = this.textContent.bidiTexts;
- var end = bidiTexts.length - 1;
- var queryLen = PDFFindController.state.query.length;
-
- var lastDivIdx = -1;
- var pos;
-
- var ret = [];
-
- // Loop over all the matches.
- for (var m = 0; m < matches.length; m++) {
- var matchIdx = matches[m];
- // # Calculate the begin position.
-
- // Loop over the divIdxs.
- while (i !== end && matchIdx >= (iIndex + bidiTexts[i].str.length)) {
- iIndex += bidiTexts[i].str.length;
- i++;
- }
-
- // TODO: Do proper handling here if something goes wrong.
- if (i == bidiTexts.length) {
- console.error('Could not find matching mapping');
- }
-
- var match = {
- begin: {
- divIdx: i,
- offset: matchIdx - iIndex
- }
- };
-
- // # Calculate the end position.
- matchIdx += queryLen;
-
- // Somewhat same array as above, but use a > instead of >= to get the end
- // position right.
- while (i !== end && matchIdx > (iIndex + bidiTexts[i].str.length)) {
- iIndex += bidiTexts[i].str.length;
- i++;
- }
-
- match.end = {
- divIdx: i,
- offset: matchIdx - iIndex
- };
- ret.push(match);
- }
-
- return ret;
- };
-
- this.renderMatches = function textLayerBuilder_renderMatches(matches) {
- // Early exit if there is nothing to render.
- if (matches.length === 0) {
- return;
- }
-
- var bidiTexts = this.textContent.bidiTexts;
- var textDivs = this.textDivs;
- var prevEnd = null;
- var isSelectedPage = this.pageIdx === PDFFindController.selected.pageIdx;
- var selectedMatchIdx = PDFFindController.selected.matchIdx;
- var highlightAll = PDFFindController.state.highlightAll;
-
- var infty = {
- divIdx: -1,
- offset: undefined
- };
-
- function beginText(begin, className) {
- var divIdx = begin.divIdx;
- var div = textDivs[divIdx];
- div.textContent = '';
-
- var content = bidiTexts[divIdx].str.substring(0, begin.offset);
- var node = document.createTextNode(content);
- if (className) {
- var isSelected = isSelectedPage &&
- divIdx === selectedMatchIdx;
- var span = document.createElement('span');
- span.className = className + (isSelected ? ' selected' : '');
- span.appendChild(node);
- div.appendChild(span);
- return;
- }
- div.appendChild(node);
- }
-
- function appendText(from, to, className) {
- var divIdx = from.divIdx;
- var div = textDivs[divIdx];
-
- var content = bidiTexts[divIdx].str.substring(from.offset, to.offset);
- var node = document.createTextNode(content);
- if (className) {
- var span = document.createElement('span');
- span.className = className;
- span.appendChild(node);
- div.appendChild(span);
- return;
- }
- div.appendChild(node);
- }
-
- function highlightDiv(divIdx, className) {
- textDivs[divIdx].className = className;
- }
-
- var i0 = selectedMatchIdx, i1 = i0 + 1, i;
-
- if (highlightAll) {
- i0 = 0;
- i1 = matches.length;
- } else if (!isSelectedPage) {
- // Not highlighting all and this isn't the selected page, so do nothing.
- return;
- }
-
- for (i = i0; i < i1; i++) {
- var match = matches[i];
- var begin = match.begin;
- var end = match.end;
-
- var isSelected = isSelectedPage && i === selectedMatchIdx;
- var highlightSuffix = (isSelected ? ' selected' : '');
- if (isSelected)
- scrollIntoView(textDivs[begin.divIdx], {top: -50});
-
- // Match inside new div.
- if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
- // If there was a previous div, then add the text at the end
- if (prevEnd !== null) {
- appendText(prevEnd, infty);
- }
- // clears the divs and set the content until the begin point.
- beginText(begin);
- } else {
- appendText(prevEnd, begin);
- }
-
- if (begin.divIdx === end.divIdx) {
- appendText(begin, end, 'highlight' + highlightSuffix);
- } else {
- appendText(begin, infty, 'highlight begin' + highlightSuffix);
- for (var n = begin.divIdx + 1; n < end.divIdx; n++) {
- highlightDiv(n, 'highlight middle' + highlightSuffix);
- }
- beginText(end, 'highlight end' + highlightSuffix);
- }
- prevEnd = end;
- }
-
- if (prevEnd) {
- appendText(prevEnd, infty);
- }
- };
-
- this.updateMatches = function textLayerUpdateMatches() {
- // Only show matches, once all rendering is done.
- if (!this.renderingDone)
- return;
-
- // Clear out all matches.
- var matches = this.matches;
- var textDivs = this.textDivs;
- var bidiTexts = this.textContent.bidiTexts;
- var clearedUntilDivIdx = -1;
-
- // Clear out all current matches.
- for (var i = 0; i < matches.length; i++) {
- var match = matches[i];
- var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
- for (var n = begin; n <= match.end.divIdx; n++) {
- var div = textDivs[n];
- div.textContent = bidiTexts[n].str;
- div.className = '';
- }
- clearedUntilDivIdx = match.end.divIdx + 1;
- }
-
- if (!PDFFindController.active)
- return;
-
- // Convert the matches on the page controller into the match format used
- // for the textLayer.
- this.matches = matches =
- this.convertMatches(PDFFindController.pageMatches[this.pageIdx] || []);
-
- this.renderMatches(this.matches);
- };
-};
-
-document.addEventListener('DOMContentLoaded', function webViewerLoad(evt) {
- PDFView.initialize();
- var params = PDFView.parseQueryString(document.location.search.substring(1));
-
-//#if !(FIREFOX || MOZCENTRAL)
- var file = params.file || DEFAULT_URL;
-//#else
-//var file = window.location.toString()
-//#endif
-
-//#if !(FIREFOX || MOZCENTRAL)
- if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
- document.getElementById('openFile').setAttribute('hidden', 'true');
- } else {
- document.getElementById('fileInput').value = null;
- }
-//#else
-//document.getElementById('openFile').setAttribute('hidden', 'true');
-//#endif
-
- // Special debugging flags in the hash section of the URL.
- var hash = document.location.hash.substring(1);
- var hashParams = PDFView.parseQueryString(hash);
-
- if ('disableWorker' in hashParams)
- PDFJS.disableWorker = (hashParams['disableWorker'] === 'true');
-
-//#if !(FIREFOX || MOZCENTRAL)
- var locale = navigator.language;
- if ('locale' in hashParams)
- locale = hashParams['locale'];
- mozL10n.setLanguage(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 !(FIREFOX || MOZCENTRAL)
- if ('pdfBug' in hashParams) {
-//#else
-//if ('pdfBug' in hashParams && FirefoxCom.requestSync('pdfBugEnabled')) {
-//#endif
- PDFJS.pdfBug = true;
- var pdfBug = hashParams['pdfBug'];
- var enabled = pdfBug.split(',');
- PDFBug.enable(enabled);
- PDFBug.init();
- }
-
- if (!PDFView.supportsPrinting) {
- document.getElementById('print').classList.add('hidden');
- }
-
- if (!PDFView.supportsFullscreen) {
- document.getElementById('fullscreen').classList.add('hidden');
- }
-
- if (PDFView.supportsIntegratedFind) {
- document.querySelector('#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();
- }
- });
-
- 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');
- PDFView.sidebarOpen = outerContainer.classList.contains('sidebarOpen');
- PDFView.renderHighestPriority();
- });
-
- document.getElementById('viewThumbnail').addEventListener('click',
- function() {
- PDFView.switchSidebarView('thumbs');
- });
-
- document.getElementById('viewOutline').addEventListener('click',
- function() {
- PDFView.switchSidebarView('outline');
- });
-
- document.getElementById('previous').addEventListener('click',
- function() {
- PDFView.page--;
- });
-
- document.getElementById('next').addEventListener('click',
- function() {
- PDFView.page++;
- });
-
- document.querySelector('.zoomIn').addEventListener('click',
- function() {
- PDFView.zoomIn();
- });
-
- document.querySelector('.zoomOut').addEventListener('click',
- function() {
- PDFView.zoomOut();
- });
-
- document.getElementById('fullscreen').addEventListener('click',
- function() {
- PDFView.fullscreen();
- });
-
- document.getElementById('openFile').addEventListener('click',
- function() {
- document.getElementById('fileInput').click();
- });
-
- document.getElementById('print').addEventListener('click',
- function() {
- window.print();
- });
-
- document.getElementById('download').addEventListener('click',
- function() {
- PDFView.download();
- });
-
- document.getElementById('pageNumber').addEventListener('click',
- function() {
- this.select();
- });
-
- document.getElementById('pageNumber').addEventListener('change',
- function() {
- // Handle the user inputting a floating point number.
- PDFView.page = (this.value | 0);
-
- if (this.value !== (this.value | 0).toString()) {
- this.value = PDFView.page;
- }
- });
-
- document.getElementById('scaleSelect').addEventListener('change',
- function() {
- PDFView.parseScale(this.value);
- });
-
- document.getElementById('first_page').addEventListener('click',
- function() {
- PDFView.page = 1;
- });
-
- document.getElementById('last_page').addEventListener('click',
- function() {
- PDFView.page = PDFView.pdfDocument.numPages;
- });
-
- document.getElementById('page_rotate_ccw').addEventListener('click',
- function() {
- PDFView.rotatePages(-90);
- });
-
- document.getElementById('page_rotate_cw').addEventListener('click',
- function() {
- PDFView.rotatePages(90);
- });
-
-//#if (FIREFOX || MOZCENTRAL)
-//if (FirefoxCom.requestSync('getLoadingType') == 'passive') {
-// PDFView.setTitleUsingUrl(file);
-// PDFView.initPassiveLoading();
-// return;
-//}
-//#endif
-
-//#if !B2G
- PDFView.open(file, 0);
-//#endif
-}, true);
-
-function updateViewarea() {
-
- if (!PDFView.initialized)
- return;
- var visible = PDFView.getVisiblePages();
- var visiblePages = visible.views;
- if (visiblePages.length === 0) {
- return;
- }
-
- PDFView.renderHighestPriority();
-
- var currentId = PDFView.page;
- var firstPage = visible.first;
-
- for (var i = 0, ii = visiblePages.length, stillFullyVisible = false;
- i < ii; ++i) {
- var page = visiblePages[i];
-
- if (page.percent < 100)
- break;
-
- if (page.id === PDFView.page) {
- stillFullyVisible = true;
- break;
- }
- }
-
- if (!stillFullyVisible) {
- currentId = visiblePages[0].id;
- }
-
- if (!PDFView.isFullscreen) {
- updateViewarea.inProgress = true; // used in "set page"
- PDFView.page = currentId;
- updateViewarea.inProgress = false;
- }
-
- var currentScale = PDFView.currentScale;
- var currentScaleValue = PDFView.currentScaleValue;
- var normalizedScaleValue = currentScaleValue == currentScale ?
- currentScale * 100 : currentScaleValue;
-
- var pageNumber = firstPage.id;
- var pdfOpenParams = '#page=' + pageNumber;
- pdfOpenParams += '&zoom=' + normalizedScaleValue;
- var currentPage = PDFView.pages[pageNumber - 1];
- var topLeft = currentPage.getPagePoint(PDFView.container.scrollLeft,
- (PDFView.container.scrollTop - firstPage.y));
- pdfOpenParams += ',' + Math.round(topLeft[0]) + ',' + Math.round(topLeft[1]);
-
- var store = PDFView.store;
- store.initializedPromise.then(function() {
- store.set('exists', true);
- store.set('page', pageNumber);
- store.set('zoom', normalizedScaleValue);
- store.set('scrollLeft', Math.round(topLeft[0]));
- store.set('scrollTop', Math.round(topLeft[1]));
- });
- var href = PDFView.getAnchorUrl(pdfOpenParams);
- document.getElementById('viewBookmark').href = href;
-}
-
-window.addEventListener('resize', function webViewerResize(evt) {
- if (PDFView.initialized &&
- (document.getElementById('pageWidthOption').selected ||
- document.getElementById('pageFitOption').selected ||
- document.getElementById('pageAutoOption').selected))
- PDFView.parseScale(document.getElementById('scaleSelect').value);
- updateViewarea();
-});
-
-window.addEventListener('hashchange', function webViewerHashchange(evt) {
- PDFView.setHash(document.location.hash.substring(1));
-});
-
-window.addEventListener('change', function webViewerChange(evt) {
- var files = evt.target.files;
- if (!files || files.length === 0)
- return;
-
- // 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);
- PDFView.open(uint8Array, 0);
- };
-
- var file = files[0];
- fileReader.readAsArrayBuffer(file);
- PDFView.setTitleUsingUrl(file.name);
-
- // URL does not reflect proper document location - hiding some icons.
- document.getElementById('viewBookmark').setAttribute('hidden', 'true');
- document.getElementById('download').setAttribute('hidden', 'true');
-}, true);
-
-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();
-
- // Adjust the width of the zoom box to fit the content.
- PDFView.animationStartedPromise.then(
- function() {
- var container = document.getElementById('scaleSelectContainer');
- var select = document.getElementById('scaleSelect');
- select.setAttribute('style', 'min-width: inherit;');
- var width = select.clientWidth + 8;
- select.setAttribute('style', 'min-width: ' + (width + 20) + 'px;');
- container.setAttribute('style', 'min-width: ' + width + 'px; ' +
- 'max-width: ' + width + 'px;');
- });
-}, true);
-
-window.addEventListener('scalechange', function scalechange(evt) {
- var customScaleOption = document.getElementById('customScaleOption');
- customScaleOption.selected = false;
-
- if (!evt.resetAutoSettings &&
- (document.getElementById('pageWidthOption').selected ||
- document.getElementById('pageFitOption').selected ||
- document.getElementById('pageAutoOption').selected)) {
- updateViewarea();
- return;
- }
-
- var predefinedValueFound = selectScaleOption('' + evt.scale);
- if (!predefinedValueFound) {
- customScaleOption.textContent = Math.round(evt.scale * 10000) / 100 + '%';
- customScaleOption.selected = true;
- }
-
- document.getElementById('zoom_out').disabled = (evt.scale === MIN_SCALE);
- document.getElementById('zoom_in').disabled = (evt.scale === MAX_SCALE);
-
- updateViewarea();
-}, true);
-
-window.addEventListener('pagechange', function pagechange(evt) {
- var page = evt.pageNumber;
- if (PDFView.previousPageNumber !== page) {
- document.getElementById('pageNumber').value = page;
- var selected = document.querySelector('.thumbnail.selected');
- if (selected)
- selected.classList.remove('selected');
- var thumbnail = document.getElementById('thumbnailContainer' + page);
- thumbnail.classList.add('selected');
- var visibleThumbs = PDFView.getVisibleThumbs();
- var numVisibleThumbs = visibleThumbs.views.length;
- // If the thumbnail isn't currently visible scroll it into view.
- if (numVisibleThumbs > 0) {
- var first = visibleThumbs.first.id;
- // Account for only one thumbnail being visible.
- var last = numVisibleThumbs > 1 ?
- visibleThumbs.last.id : first;
- if (page <= first || page >= last)
- scrollIntoView(thumbnail);
- }
-
- }
- document.getElementById('previous').disabled = (page <= 1);
- document.getElementById('next').disabled = (page >= PDFView.pages.length);
-}, true);
-
-// Firefox specific event, so that we can prevent browser from zooming
-window.addEventListener('DOMMouseScroll', function(evt) {
- if (evt.ctrlKey) {
- evt.preventDefault();
-
- var ticks = evt.detail;
- var direction = (ticks > 0) ? 'zoomOut' : 'zoomIn';
- for (var i = 0, length = Math.abs(ticks); i < length; i++)
- PDFView[direction]();
- } else if (PDFView.isFullscreen) {
- var FIREFOX_DELTA_FACTOR = -40;
- PDFView.mouseScroll(evt.detail * FIREFOX_DELTA_FACTOR);
- }
-}, false);
-
-window.addEventListener('mousemove', function mousemove(evt) {
- if (PDFView.isFullscreen) {
- PDFView.showPresentationControls();
- }
-}, false);
-
-window.addEventListener('mousedown', function mousedown(evt) {
- if (PDFView.isFullscreen && evt.button === 0) {
- // Enable clicking of links in fullscreen mode.
- // Note: Only links that point to the currently loaded PDF document works.
- var targetHref = evt.target.href;
- var internalLink = targetHref && (targetHref.replace(/#.*$/, '') ===
- window.location.href.replace(/#.*$/, ''));
- if (!internalLink) {
- // Unless an internal link was clicked, advance a page in fullscreen mode.
- evt.preventDefault();
- PDFView.page++;
- }
- }
-}, false);
-
-window.addEventListener('click', function click(evt) {
- if (PDFView.isFullscreen && evt.button === 0) {
- // Necessary since preventDefault() in 'mousedown' won't stop
- // the event propagation in all circumstances.
- evt.preventDefault();
- }
-}, false);
-
-window.addEventListener('keydown', function keydown(evt) {
- 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.
- switch (evt.keyCode) {
- case 70:
- if (!PDFView.supportsIntegratedFind) {
- PDFFindBar.toggle();
- handled = true;
- }
- break;
- case 61: // FF/Mac '='
- case 107: // FF '+' and '='
- case 187: // Chrome '+'
- case 171: // FF with German keyboard
- PDFView.zoomIn();
- handled = true;
- break;
- case 173: // FF/Mac '-'
- case 109: // FF '-'
- case 189: // Chrome '-'
- PDFView.zoomOut();
- handled = true;
- break;
- case 48: // '0'
- case 96: // '0' on Numpad of Swedish keyboard
- PDFView.parseScale(DEFAULT_SCALE, true);
- handled = false; // keeping it unhandled (to restore page zoom to 100%)
- break;
- }
- }
-
- // CTRL or META with or without SHIFT.
- if (cmd == 1 || cmd == 8 || cmd == 5 || cmd == 12) {
- switch (evt.keyCode) {
- case 71: // g
- if (!PDFView.supportsIntegratedFind) {
- PDFFindBar.dispatchEvent('again', cmd == 5 || cmd == 12);
- 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;
- if (curElement && (curElement.tagName == 'INPUT' ||
- curElement.tagName == 'SELECT')) {
- return;
- }
- var controlsElement = document.getElementById('toolbar');
- while (curElement) {
- if (curElement === controlsElement && !PDFView.isFullscreen)
- return; // ignoring if the 'toolbar' element is focused
- curElement = curElement.parentNode;
- }
-
- if (cmd === 0) { // no control key pressed at all.
- switch (evt.keyCode) {
- case 38: // up arrow
- case 33: // pg up
- case 8: // backspace
- if (!PDFView.isFullscreen && PDFView.currentScaleValue !== 'page-fit') {
- break;
- }
- /* in fullscreen mode */
- /* falls through */
- case 37: // left arrow
- // horizontal scrolling using arrow keys
- if (PDFView.isHorizontalScrollbarEnabled) {
- break;
- }
- /* falls through */
- case 75: // 'k'
- case 80: // 'p'
- PDFView.page--;
- handled = true;
- break;
- case 27: // esc key
- if (!PDFView.supportsIntegratedFind && PDFFindBar.opened) {
- PDFFindBar.close();
- handled = true;
- }
- break;
- case 40: // down arrow
- case 34: // pg down
- case 32: // spacebar
- if (!PDFView.isFullscreen && PDFView.currentScaleValue !== 'page-fit') {
- break;
- }
- /* falls through */
- case 39: // right arrow
- // horizontal scrolling using arrow keys
- if (PDFView.isHorizontalScrollbarEnabled) {
- break;
- }
- /* falls through */
- case 74: // 'j'
- case 78: // 'n'
- PDFView.page++;
- handled = true;
- break;
-
- case 36: // home
- if (PDFView.isFullscreen) {
- PDFView.page = 1;
- handled = true;
- }
- break;
- case 35: // end
- if (PDFView.isFullscreen) {
- PDFView.page = PDFView.pdfDocument.numPages;
- handled = true;
- }
- break;
-
- case 82: // 'r'
- PDFView.rotatePages(90);
- break;
- }
- }
-
- if (cmd == 4) { // shift-key
- switch (evt.keyCode) {
- case 82: // 'r'
- PDFView.rotatePages(-90);
- break;
- }
- }
-
- if (handled) {
- evt.preventDefault();
- PDFView.clearMouseScrollState();
- }
-});
-
-window.addEventListener('beforeprint', function beforePrint(evt) {
- PDFView.beforePrint();
-});
-
-window.addEventListener('afterprint', function afterPrint(evt) {
- PDFView.afterPrint();
-});
-
-(function fullscreenClosure() {
- function fullscreenChange(e) {
- var isFullscreen = document.fullscreenElement || document.mozFullScreen ||
- document.webkitIsFullScreen;
-
- if (!isFullscreen) {
- PDFView.exitFullscreen();
- }
- }
-
- window.addEventListener('fullscreenchange', fullscreenChange, false);
- window.addEventListener('mozfullscreenchange', fullscreenChange, false);
- window.addEventListener('webkitfullscreenchange', fullscreenChange, false);
-})();
-
-(function animationStartedClosure() {
- // The offsetParent is not set until the pdf.js iframe or object is visible.
- // Waiting for first animation.
- var requestAnimationFrame = window.requestAnimationFrame ||
- window.mozRequestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- window.oRequestAnimationFrame ||
- window.msRequestAnimationFrame ||
- function startAtOnce(callback) { callback(); };
- PDFView.animationStartedPromise = new PDFJS.Promise();
- requestAnimationFrame(function onAnimationFrame() {
- PDFView.animationStartedPromise.resolve();
- });
-})();
-
-//#if B2G
-//window.navigator.mozSetMessageHandler('activity', function(activity) {
-// var url = activity.source.data.url;
-// PDFView.open(url);
-// var cancelButton = document.getElementById('activityClose');
-// cancelButton.addEventListener('click', function() {
-// activity.postResult('close');
-// });
-//});
-//#endif
projects / mediagoblin.git / commitdiff