pdf-viewer
Version:
Build including the viewer in PDF.JS
1,454 lines (1,280 loc) • 72 kB
JavaScript
/* -*- 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, Cache, ProgressBar,
DownloadManager, getFileName, getPDFFileNameFromURL,
PDFHistory, Preferences, SidebarView, ViewHistory, Stats,
PDFThumbnailViewer, URL, noContextMenuHandler, SecondaryToolbar,
PasswordPrompt, PDFPresentationMode, PDFDocumentProperties, HandTool,
Promise, PDFLinkService, PDFOutlineView, PDFAttachmentView,
OverlayManager, PDFFindController, PDFFindBar, PDFViewer,
PDFRenderingQueue, PresentationModeState, parseQueryString,
RenderingStates, UNKNOWN_SCALE, DEFAULT_SCALE_VALUE,
IGNORE_CURRENT_POSITION_ON_ZOOM: true */
'use strict';
var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
var DEFAULT_SCALE_DELTA = 1.1;
var MIN_SCALE = 0.25;
var MAX_SCALE = 10.0;
var VIEW_HISTORY_MEMORY = 20;
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
PDFJS.imageResourcesPath = './images/';
//#if (FIREFOX || MOZCENTRAL || GENERIC || CHROME)
//PDFJS.workerSrc = '../build/pdf.worker.js';
//#endif
//#if !PRODUCTION
PDFJS.cMapUrl = '../external/bcmaps/';
PDFJS.cMapPacked = true;
//#else
//PDFJS.cMapUrl = '../web/cmaps/';
//PDFJS.cMapPacked = true;
//#endif
var mozL10n = document.mozL10n || document.webL10n;
//#include ui_utils.js
//#include preferences.js
//#if !(FIREFOX || MOZCENTRAL)
//#include mozPrintCallback_polyfill.js
//#endif
//#if GENERIC || CHROME
//#include download_manager.js
//#endif
//#if FIREFOX || MOZCENTRAL
//#include firefoxcom.js
//#endif
//#if CHROME
//#include chromecom.js
//#endif
//#include view_history.js
//#include pdf_find_bar.js
//#include pdf_find_controller.js
//#include pdf_link_service.js
//#include pdf_history.js
//#include secondary_toolbar.js
//#include pdf_presentation_mode.js
//#include hand_tool.js
//#include overlay_manager.js
//#include password_prompt.js
//#include pdf_document_properties.js
//#include pdf_viewer.js
//#include pdf_thumbnail_viewer.js
//#include pdf_outline_view.js
//#include pdf_attachment_view.js
var PDFViewerApplication = {
initialBookmark: document.location.hash.substring(1),
initialDestination: null,
initialized: false,
fellback: false,
pdfDocument: null,
sidebarOpen: false,
printing: false,
/** @type {PDFViewer} */
pdfViewer: null,
/** @type {PDFThumbnailViewer} */
pdfThumbnailViewer: null,
/** @type {PDFRenderingQueue} */
pdfRenderingQueue: null,
/** @type {PDFPresentationMode} */
pdfPresentationMode: null,
/** @type {PDFDocumentProperties} */
pdfDocumentProperties: null,
/** @type {PDFLinkService} */
pdfLinkService: null,
/** @type {PDFHistory} */
pdfHistory: null,
pageRotation: 0,
isInitialViewSet: false,
animationStartedPromise: null,
preferenceSidebarViewOnLoad: SidebarView.NONE,
preferencePdfBugEnabled: false,
preferenceShowPreviousViewOnLoad: true,
preferenceDefaultZoomValue: '',
isViewerEmbedded: (window.parent !== window),
url: '',
// called once when the document is loaded
initialize: function pdfViewInitialize() {
var pdfRenderingQueue = new PDFRenderingQueue();
pdfRenderingQueue.onIdle = this.cleanup.bind(this);
this.pdfRenderingQueue = pdfRenderingQueue;
var pdfLinkService = new PDFLinkService();
this.pdfLinkService = pdfLinkService;
var container = document.getElementById('viewerContainer');
var viewer = document.getElementById('viewer');
this.pdfViewer = new PDFViewer({
container: container,
viewer: viewer,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService
});
pdfRenderingQueue.setViewer(this.pdfViewer);
pdfLinkService.setViewer(this.pdfViewer);
var thumbnailContainer = document.getElementById('thumbnailView');
this.pdfThumbnailViewer = new PDFThumbnailViewer({
container: thumbnailContainer,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService
});
pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
Preferences.initialize();
this.pdfHistory = new PDFHistory({
linkService: pdfLinkService
});
pdfLinkService.setHistory(this.pdfHistory);
this.findController = new PDFFindController({
pdfViewer: this.pdfViewer,
integratedFind: this.supportsIntegratedFind
});
this.pdfViewer.setFindController(this.findController);
this.findBar = new PDFFindBar({
bar: document.getElementById('findbar'),
toggleButton: document.getElementById('viewFind'),
findField: document.getElementById('findInput'),
highlightAllCheckbox: document.getElementById('findHighlightAll'),
caseSensitiveCheckbox: document.getElementById('findMatchCase'),
findMsg: document.getElementById('findMsg'),
findStatusIcon: document.getElementById('findStatusIcon'),
findPreviousButton: document.getElementById('findPrevious'),
findNextButton: document.getElementById('findNext'),
findController: this.findController
});
this.findController.setFindBar(this.findBar);
HandTool.initialize({
container: container,
toggleHandTool: document.getElementById('toggleHandTool')
});
this.pdfDocumentProperties = new PDFDocumentProperties({
overlayName: 'documentPropertiesOverlay',
closeButton: document.getElementById('documentPropertiesClose'),
fields: {
'fileName': document.getElementById('fileNameField'),
'fileSize': document.getElementById('fileSizeField'),
'title': document.getElementById('titleField'),
'author': document.getElementById('authorField'),
'subject': document.getElementById('subjectField'),
'keywords': document.getElementById('keywordsField'),
'creationDate': document.getElementById('creationDateField'),
'modificationDate': document.getElementById('modificationDateField'),
'creator': document.getElementById('creatorField'),
'producer': document.getElementById('producerField'),
'version': document.getElementById('versionField'),
'pageCount': document.getElementById('pageCountField')
}
});
SecondaryToolbar.initialize({
toolbar: document.getElementById('secondaryToolbar'),
toggleButton: document.getElementById('secondaryToolbarToggle'),
presentationModeButton:
document.getElementById('secondaryPresentationMode'),
openFile: document.getElementById('secondaryOpenFile'),
print: document.getElementById('secondaryPrint'),
download: document.getElementById('secondaryDownload'),
viewBookmark: document.getElementById('secondaryViewBookmark'),
firstPage: document.getElementById('firstPage'),
lastPage: document.getElementById('lastPage'),
pageRotateCw: document.getElementById('pageRotateCw'),
pageRotateCcw: document.getElementById('pageRotateCcw'),
documentPropertiesButton: document.getElementById('documentProperties')
});
if (this.supportsFullscreen) {
var toolbar = SecondaryToolbar;
this.pdfPresentationMode = new PDFPresentationMode({
container: container,
viewer: viewer,
pdfViewer: this.pdfViewer,
pdfThumbnailViewer: this.pdfThumbnailViewer,
contextMenuItems: [
{ element: document.getElementById('contextFirstPage'),
handler: toolbar.firstPageClick.bind(toolbar) },
{ element: document.getElementById('contextLastPage'),
handler: toolbar.lastPageClick.bind(toolbar) },
{ element: document.getElementById('contextPageRotateCw'),
handler: toolbar.pageRotateCwClick.bind(toolbar) },
{ element: document.getElementById('contextPageRotateCcw'),
handler: toolbar.pageRotateCcwClick.bind(toolbar) }
]
});
}
PasswordPrompt.initialize({
overlayName: 'passwordOverlay',
passwordField: document.getElementById('password'),
passwordText: document.getElementById('passwordText'),
passwordSubmit: document.getElementById('passwordSubmit'),
passwordCancel: document.getElementById('passwordCancel')
});
var self = this;
var initializedPromise = Promise.all([
Preferences.get('enableWebGL').then(function resolved(value) {
PDFJS.disableWebGL = !value;
}),
Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
self.preferenceSidebarViewOnLoad = value;
}),
Preferences.get('pdfBugEnabled').then(function resolved(value) {
self.preferencePdfBugEnabled = value;
}),
Preferences.get('showPreviousViewOnLoad').then(function resolved(value) {
self.preferenceShowPreviousViewOnLoad = value;
}),
Preferences.get('defaultZoomValue').then(function resolved(value) {
self.preferenceDefaultZoomValue = value;
}),
Preferences.get('disableTextLayer').then(function resolved(value) {
if (PDFJS.disableTextLayer === true) {
return;
}
PDFJS.disableTextLayer = value;
}),
Preferences.get('disableRange').then(function resolved(value) {
if (PDFJS.disableRange === true) {
return;
}
PDFJS.disableRange = value;
}),
Preferences.get('disableStream').then(function resolved(value) {
if (PDFJS.disableStream === true) {
return;
}
PDFJS.disableStream = value;
}),
Preferences.get('disableAutoFetch').then(function resolved(value) {
PDFJS.disableAutoFetch = value;
}),
Preferences.get('disableFontFace').then(function resolved(value) {
if (PDFJS.disableFontFace === true) {
return;
}
PDFJS.disableFontFace = value;
}),
Preferences.get('useOnlyCssZoom').then(function resolved(value) {
PDFJS.useOnlyCssZoom = value;
})
// TODO move more preferences and other async stuff here
]).catch(function (reason) { });
return initializedPromise.then(function () {
PDFViewerApplication.initialized = true;
});
},
zoomIn: function pdfViewZoomIn(ticks) {
var newScale = this.pdfViewer.currentScale;
do {
newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.ceil(newScale * 10) / 10;
newScale = Math.min(MAX_SCALE, newScale);
} while (--ticks > 0 && newScale < MAX_SCALE);
this.pdfViewer.currentScaleValue = newScale;
},
zoomOut: function pdfViewZoomOut(ticks) {
var newScale = this.pdfViewer.currentScale;
do {
newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.floor(newScale * 10) / 10;
newScale = Math.max(MIN_SCALE, newScale);
} while (--ticks > 0 && newScale > MIN_SCALE);
this.pdfViewer.currentScaleValue = newScale;
},
get pagesCount() {
return this.pdfDocument.numPages;
},
set page(val) {
this.pdfLinkService.page = val;
},
get page() { // TODO remove
return this.pdfLinkService.page;
},
get supportsPrinting() {
var canvas = document.createElement('canvas');
var value = 'mozPrintCallback' in canvas;
return PDFJS.shadow(this, 'supportsPrinting', value);
},
get supportsFullscreen() {
var doc = document.documentElement;
var support = !!(doc.requestFullscreen || doc.mozRequestFullScreen ||
doc.webkitRequestFullScreen || doc.msRequestFullscreen);
if (document.fullscreenEnabled === false ||
document.mozFullScreenEnabled === false ||
document.webkitFullscreenEnabled === false ||
document.msFullscreenEnabled === false) {
support = false;
}
if (support && PDFJS.disableFullscreen === true) {
support = false;
}
return PDFJS.shadow(this, 'supportsFullscreen', support);
},
get supportsIntegratedFind() {
var support = false;
//#if (FIREFOX || MOZCENTRAL)
// support = FirefoxCom.requestSync('supportsIntegratedFind');
//#endif
return PDFJS.shadow(this, 'supportsIntegratedFind', support);
},
get supportsDocumentFonts() {
var support = true;
//#if (FIREFOX || MOZCENTRAL)
// support = FirefoxCom.requestSync('supportsDocumentFonts');
//#endif
return PDFJS.shadow(this, 'supportsDocumentFonts', support);
},
get supportsDocumentColors() {
var support = true;
//#if (FIREFOX || MOZCENTRAL)
// support = FirefoxCom.requestSync('supportsDocumentColors');
//#endif
return PDFJS.shadow(this, 'supportsDocumentColors', support);
},
get loadingBar() {
var bar = new ProgressBar('#loadingBar', {});
return PDFJS.shadow(this, 'loadingBar', bar);
},
//#if (FIREFOX || MOZCENTRAL)
initPassiveLoading: function pdfViewInitPassiveLoading() {
function FirefoxComDataRangeTransport(length, initialData) {
PDFJS.PDFDataRangeTransport.call(this, length, initialData);
}
FirefoxComDataRangeTransport.prototype =
Object.create(PDFJS.PDFDataRangeTransport.prototype);
FirefoxComDataRangeTransport.prototype.requestDataRange =
function FirefoxComDataRangeTransport_requestDataRange(begin, end) {
FirefoxCom.request('requestDataRange', { begin: begin, end: end });
};
var pdfDataRangeTransport;
window.addEventListener('message', function windowMessage(e) {
if (e.source !== null) {
// The message MUST originate from Chrome code.
console.warn('Rejected untrusted message from ' + e.origin);
return;
}
var args = e.data;
if (typeof args !== 'object' || !('pdfjsLoadAction' in args)) {
return;
}
switch (args.pdfjsLoadAction) {
case 'supportsRangedLoading':
pdfDataRangeTransport =
new FirefoxComDataRangeTransport(args.length, args.data);
PDFViewerApplication.open(args.pdfUrl, 0, undefined,
pdfDataRangeTransport);
if (args.length) {
PDFViewerApplication.pdfDocumentProperties
.setFileSize(args.length);
}
break;
case 'range':
pdfDataRangeTransport.onDataRange(args.begin, args.chunk);
break;
case 'rangeProgress':
pdfDataRangeTransport.onDataProgress(args.loaded);
break;
case 'progressiveRead':
pdfDataRangeTransport.onDataProgressiveRead(args.chunk);
break;
case 'progress':
PDFViewerApplication.progress(args.loaded / args.total);
break;
case 'complete':
if (!args.data) {
PDFViewerApplication.error(mozL10n.get('loading_error', null,
'An error occurred while loading the PDF.'), e);
break;
}
PDFViewerApplication.open(args.data, 0);
break;
}
});
FirefoxCom.requestSync('initPassiveLoading', null);
},
//#endif
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) {
if (this.isViewerEmbedded) {
// Embedded PDF viewers should not be changing their parent page's title.
return;
}
document.title = title;
},
close: function pdfViewClose() {
var errorWrapper = document.getElementById('errorWrapper');
errorWrapper.setAttribute('hidden', 'true');
if (!this.pdfDocument) {
return;
}
this.pdfDocument.destroy();
this.pdfDocument = null;
this.pdfThumbnailViewer.setDocument(null);
this.pdfViewer.setDocument(null);
this.pdfLinkService.setDocument(null, null);
if (typeof PDFBug !== 'undefined') {
PDFBug.cleanup();
}
},
// TODO(mack): This function signature should really be pdfViewOpen(url, args)
open: function pdfViewOpen(file, scale, password,
pdfDataRangeTransport, args) {
if (this.pdfDocument) {
// Reload the preferences if a document was previously opened.
Preferences.reload();
}
this.close();
var parameters = {password: password};
if (typeof file === 'string') { // URL
this.setTitleUsingUrl(file);
parameters.url = file;
} else if (file && 'byteLength' in file) { // ArrayBuffer
parameters.data = file;
} else if (file.url && file.originalUrl) {
this.setTitleUsingUrl(file.originalUrl);
parameters.url = file.url;
}
if (args) {
for (var prop in args) {
parameters[prop] = args[prop];
}
}
var self = this;
self.downloadComplete = false;
var passwordNeeded = function passwordNeeded(updatePassword, reason) {
PasswordPrompt.updatePassword = updatePassword;
PasswordPrompt.reason = reason;
PasswordPrompt.open();
};
function getDocumentProgress(progressData) {
self.progress(progressData.loaded / progressData.total);
}
PDFJS.getDocument(parameters, pdfDataRangeTransport, passwordNeeded,
getDocumentProgress).then(
function getDocumentCallback(pdfDocument) {
self.load(pdfDocument, scale);
},
function getDocumentError(exception) {
var message = exception && exception.message;
var loadingErrorMessage = mozL10n.get('loading_error', null,
'An error occurred while loading the PDF.');
if (exception instanceof PDFJS.InvalidPDFException) {
// change error message also for other builds
loadingErrorMessage = mozL10n.get('invalid_file_error', null,
'Invalid or corrupted PDF file.');
} else if (exception instanceof PDFJS.MissingPDFException) {
// special message for missing PDF's
loadingErrorMessage = mozL10n.get('missing_file_error', null,
'Missing PDF file.');
} else if (exception instanceof PDFJS.UnexpectedResponseException) {
loadingErrorMessage = mozL10n.get('unexpected_response_error', null,
'Unexpected server response.');
}
var moreInfo = {
message: message
};
self.error(loadingErrorMessage, moreInfo);
}
);
if (args && args.length) {
PDFViewerApplication.pdfDocumentProperties.setFileSize(args.length);
}
},
download: function pdfViewDownload() {
function downloadByUrl() {
downloadManager.downloadUrl(url, filename);
}
var url = this.url.split('#')[0];
var filename = getPDFFileNameFromURL(url);
var downloadManager = new DownloadManager();
downloadManager.onerror = function (err) {
// This error won't really be helpful because it's likely the
// fallback won't work either (or is already open).
PDFViewerApplication.error('PDF failed to download.');
};
if (!this.pdfDocument) { // the PDF is not ready yet
downloadByUrl();
return;
}
if (!this.downloadComplete) { // the PDF is still downloading
downloadByUrl();
return;
}
this.pdfDocument.getData().then(
function getDataSuccess(data) {
var blob = PDFJS.createBlob(data, 'application/pdf');
downloadManager.download(blob, url, filename);
},
downloadByUrl // Error occurred try downloading with just the url.
).then(null, downloadByUrl);
},
fallback: function pdfViewFallback(featureId) {
//#if !PRODUCTION
if (true) {
return;
}
//#endif
//#if (FIREFOX || MOZCENTRAL)
// Only trigger the fallback once so we don't spam the user with messages
// for one PDF.
if (this.fellback) {
return;
}
this.fellback = true;
var url = this.url.split('#')[0];
FirefoxCom.request('fallback', { featureId: featureId, url: url },
function response(download) {
if (!download) {
return;
}
PDFViewerApplication.download();
});
//#endif
},
/**
* Show the error box.
* @param {String} message A message that is human readable.
* @param {Object} moreInfo (optional) Further information about the error
* that is more technical. Should have a 'message'
* and optionally a 'stack' property.
*/
error: function pdfViewError(message, moreInfo) {
var moreInfoText = mozL10n.get('error_version_info',
{version: PDFJS.version || '?', build: PDFJS.build || '?'},
'PDF.js v{{version}} (build: {{build}})') + '\n';
if (moreInfo) {
moreInfoText +=
mozL10n.get('error_message', {message: moreInfo.message},
'Message: {{message}}');
if (moreInfo.stack) {
moreInfoText += '\n' +
mozL10n.get('error_stack', {stack: moreInfo.stack},
'Stack: {{stack}}');
} else {
if (moreInfo.filename) {
moreInfoText += '\n' +
mozL10n.get('error_file', {file: moreInfo.filename},
'File: {{file}}');
}
if (moreInfo.lineNumber) {
moreInfoText += '\n' +
mozL10n.get('error_line', {line: moreInfo.lineNumber},
'Line: {{line}}');
}
}
}
//#if !(FIREFOX || MOZCENTRAL)
var errorWrapper = document.getElementById('errorWrapper');
errorWrapper.removeAttribute('hidden');
var errorMessage = document.getElementById('errorMessage');
errorMessage.textContent = message;
var closeButton = document.getElementById('errorClose');
closeButton.onclick = function() {
errorWrapper.setAttribute('hidden', 'true');
};
var errorMoreInfo = document.getElementById('errorMoreInfo');
var moreInfoButton = document.getElementById('errorShowMore');
var lessInfoButton = document.getElementById('errorShowLess');
moreInfoButton.onclick = function() {
errorMoreInfo.removeAttribute('hidden');
moreInfoButton.setAttribute('hidden', 'true');
lessInfoButton.removeAttribute('hidden');
errorMoreInfo.style.height = errorMoreInfo.scrollHeight + 'px';
};
lessInfoButton.onclick = function() {
errorMoreInfo.setAttribute('hidden', 'true');
moreInfoButton.removeAttribute('hidden');
lessInfoButton.setAttribute('hidden', 'true');
};
moreInfoButton.oncontextmenu = noContextMenuHandler;
lessInfoButton.oncontextmenu = noContextMenuHandler;
closeButton.oncontextmenu = noContextMenuHandler;
moreInfoButton.removeAttribute('hidden');
lessInfoButton.setAttribute('hidden', 'true');
errorMoreInfo.value = moreInfoText;
//#else
// console.error(message + '\n' + moreInfoText);
// this.fallback();
//#endif
},
progress: function pdfViewProgress(level) {
var percent = Math.round(level * 100);
// When we transition from full request to range requests, it's possible
// that we discard some of the loaded data. This can cause the loading
// bar to move backwards. So prevent this by only updating the bar if it
// increases.
if (percent > this.loadingBar.percent || isNaN(percent)) {
this.loadingBar.percent = percent;
// When disableAutoFetch is enabled, it's not uncommon for the entire file
// to never be fetched (depends on e.g. the file structure). In this case
// the loading bar will not be completely filled, nor will it be hidden.
// To prevent displaying a partially filled loading bar permanently, we
// hide it when no data has been loaded during a certain amount of time.
if (PDFJS.disableAutoFetch && percent) {
if (this.disableAutoFetchLoadingBarTimeout) {
clearTimeout(this.disableAutoFetchLoadingBarTimeout);
this.disableAutoFetchLoadingBarTimeout = null;
}
this.loadingBar.show();
this.disableAutoFetchLoadingBarTimeout = setTimeout(function () {
this.loadingBar.hide();
this.disableAutoFetchLoadingBarTimeout = null;
}.bind(this), DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
}
}
},
load: function pdfViewLoad(pdfDocument, scale) {
var self = this;
scale = scale || UNKNOWN_SCALE;
this.findController.reset();
this.pdfDocument = pdfDocument;
this.pdfDocumentProperties.setDocumentAndUrl(pdfDocument, this.url);
var downloadedPromise = pdfDocument.getDownloadInfo().then(function() {
self.downloadComplete = true;
self.loadingBar.hide();
});
var pagesCount = pdfDocument.numPages;
document.getElementById('numPages').textContent =
mozL10n.get('page_of', {pageCount: pagesCount}, 'of {{pageCount}}');
document.getElementById('pageNumber').max = pagesCount;
var id = this.documentFingerprint = pdfDocument.fingerprint;
var store = this.store = new ViewHistory(id);
//#if GENERIC
var baseDocumentUrl = null;
//#endif
//#if (FIREFOX || MOZCENTRAL)
// var baseDocumentUrl = this.url.split('#')[0];
//#endif
//#if CHROME
// var baseDocumentUrl = location.href.split('#')[0];
//#endif
this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
var pdfViewer = this.pdfViewer;
pdfViewer.currentScale = scale;
pdfViewer.setDocument(pdfDocument);
var firstPagePromise = pdfViewer.firstPagePromise;
var pagesPromise = pdfViewer.pagesPromise;
var onePageRendered = pdfViewer.onePageRendered;
this.pageRotation = 0;
this.isInitialViewSet = false;
this.pdfThumbnailViewer.setDocument(pdfDocument);
firstPagePromise.then(function(pdfPage) {
downloadedPromise.then(function () {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('documentload', true, true, {});
window.dispatchEvent(event);
});
self.loadingBar.setWidth(document.getElementById('viewer'));
if (!PDFJS.disableHistory && !self.isViewerEmbedded) {
// The browsing history is only enabled when the viewer is standalone,
// i.e. not when it is embedded in a web page.
if (!self.preferenceShowPreviousViewOnLoad) {
self.pdfHistory.clearHistoryState();
}
self.pdfHistory.initialize(self.documentFingerprint);
if (self.pdfHistory.initialDestination) {
self.initialDestination = self.pdfHistory.initialDestination;
} else if (self.pdfHistory.initialBookmark) {
self.initialBookmark = self.pdfHistory.initialBookmark;
}
}
store.initializedPromise.then(function resolved() {
var storedHash = null;
if (self.preferenceShowPreviousViewOnLoad &&
store.get('exists', false)) {
var pageNum = store.get('page', '1');
var zoom = self.preferenceDefaultZoomValue ||
store.get('zoom', DEFAULT_SCALE_VALUE);
var left = store.get('scrollLeft', '0');
var top = store.get('scrollTop', '0');
storedHash = 'page=' + pageNum + '&zoom=' + zoom + ',' +
left + ',' + top;
} else if (self.preferenceDefaultZoomValue) {
storedHash = 'page=1&zoom=' + self.preferenceDefaultZoomValue;
}
self.setInitialView(storedHash, scale);
// Make all navigation keys work on document load,
// unless the viewer is embedded in a web page.
if (!self.isViewerEmbedded) {
self.pdfViewer.focus();
}
}, function rejected(reason) {
console.error(reason);
self.setInitialView(null, scale);
});
});
pagesPromise.then(function() {
if (self.supportsPrinting) {
pdfDocument.getJavaScript().then(function(javaScript) {
if (javaScript.length) {
console.warn('Warning: JavaScript is not supported');
self.fallback(PDFJS.UNSUPPORTED_FEATURES.javaScript);
}
// Hack to support auto printing.
var regex = /\bprint\s*\(/;
for (var i = 0, ii = javaScript.length; i < ii; i++) {
var js = javaScript[i];
if (js && regex.test(js)) {
setTimeout(function() {
window.print();
});
return;
}
}
});
}
});
// outline depends on pagesRefMap
var promises = [pagesPromise, this.animationStartedPromise];
Promise.all(promises).then(function() {
pdfDocument.getOutline().then(function(outline) {
var container = document.getElementById('outlineView');
self.outline = new PDFOutlineView({
container: container,
outline: outline,
linkService: self.pdfLinkService
});
self.outline.render();
document.getElementById('viewOutline').disabled = !outline;
if (!outline && !container.classList.contains('hidden')) {
self.switchSidebarView('thumbs');
}
if (outline &&
self.preferenceSidebarViewOnLoad === SidebarView.OUTLINE) {
self.switchSidebarView('outline', true);
}
});
pdfDocument.getAttachments().then(function(attachments) {
var container = document.getElementById('attachmentsView');
self.attachments = new PDFAttachmentView({
container: container,
attachments: attachments,
downloadManager: new DownloadManager()
});
self.attachments.render();
document.getElementById('viewAttachments').disabled = !attachments;
if (!attachments && !container.classList.contains('hidden')) {
self.switchSidebarView('thumbs');
}
if (attachments &&
self.preferenceSidebarViewOnLoad === SidebarView.ATTACHMENTS) {
self.switchSidebarView('attachments', true);
}
});
});
if (self.preferenceSidebarViewOnLoad === SidebarView.THUMBS) {
Promise.all([firstPagePromise, onePageRendered]).then(function () {
self.switchSidebarView('thumbs', true);
});
}
pdfDocument.getMetadata().then(function(data) {
var info = data.info, metadata = data.metadata;
self.documentInfo = info;
self.metadata = metadata;
// Provides some basic debug information
console.log('PDF ' + pdfDocument.fingerprint + ' [' +
info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() +
' / ' + (info.Creator || '-').trim() + ']' +
' (PDF.js: ' + (PDFJS.version || '-') +
(!PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
var pdfTitle;
if (metadata && metadata.has('dc:title')) {
var title = metadata.get('dc:title');
// Ghostscript sometimes return 'Untitled', sets the title to 'Untitled'
if (title !== 'Untitled') {
pdfTitle = title;
}
}
if (!pdfTitle && info && info['Title']) {
pdfTitle = info['Title'];
}
if (pdfTitle) {
self.setTitle(pdfTitle + ' - ' + document.title);
}
if (info.IsAcroFormPresent) {
console.warn('Warning: AcroForm/XFA is not supported');
self.fallback(PDFJS.UNSUPPORTED_FEATURES.forms);
}
//#if !PRODUCTION
if (true) {
return;
}
//#endif
//#if (FIREFOX || MOZCENTRAL)
var versionId = String(info.PDFFormatVersion).slice(-1) | 0;
var generatorId = 0;
var KNOWN_GENERATORS = [
'acrobat distiller', 'acrobat pdfwriter', 'adobe livecycle',
'adobe pdf library', 'adobe photoshop', 'ghostscript', 'tcpdf',
'cairo', 'dvipdfm', 'dvips', 'pdftex', 'pdfkit', 'itext', 'prince',
'quarkxpress', 'mac os x', 'microsoft', 'openoffice', 'oracle',
'luradocument', 'pdf-xchange', 'antenna house', 'aspose.cells', 'fpdf'
];
if (info.Producer) {
KNOWN_GENERATORS.some(function (generator, s, i) {
if (generator.indexOf(s) < 0) {
return false;
}
generatorId = i + 1;
return true;
}.bind(null, info.Producer.toLowerCase()));
}
var formType = !info.IsAcroFormPresent ? null : info.IsXFAPresent ?
'xfa' : 'acroform';
FirefoxCom.request('reportTelemetry', JSON.stringify({
type: 'documentInfo',
version: versionId,
generator: generatorId,
formType: formType
}));
//#endif
});
},
setInitialView: function pdfViewSetInitialView(storedHash, scale) {
this.isInitialViewSet = true;
// When opening a new file, when one is already loaded in the viewer,
// ensure that the 'pageNumber' element displays the correct value.
document.getElementById('pageNumber').value =
this.pdfViewer.currentPageNumber;
if (this.initialDestination) {
this.pdfLinkService.navigateTo(this.initialDestination);
this.initialDestination = null;
} else if (this.initialBookmark) {
this.pdfLinkService.setHash(this.initialBookmark);
this.pdfHistory.push({ hash: this.initialBookmark }, true);
this.initialBookmark = null;
} else if (storedHash) {
this.pdfLinkService.setHash(storedHash);
} else if (scale) {
this.pdfViewer.currentScaleValue = scale;
this.page = 1;
}
if (!this.pdfViewer.currentScaleValue) {
// Scale was not initialized: invalid bookmark or scale was not specified.
// Setting the default one.
this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
}
},
cleanup: function pdfViewCleanup() {
this.pdfViewer.cleanup();
this.pdfThumbnailViewer.cleanup();
this.pdfDocument.cleanup();
},
forceRendering: function pdfViewForceRendering() {
this.pdfRenderingQueue.printing = this.printing;
this.pdfRenderingQueue.isThumbnailViewEnabled = this.sidebarOpen;
this.pdfRenderingQueue.renderHighestPriority();
},
refreshThumbnailViewer: function pdfViewRefreshThumbnailViewer() {
var pdfViewer = this.pdfViewer;
var thumbnailViewer = this.pdfThumbnailViewer;
// set thumbnail images of rendered pages
var pagesCount = pdfViewer.pagesCount;
for (var pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
var pageView = pdfViewer.getPageView(pageIndex);
if (pageView && pageView.renderingState === RenderingStates.FINISHED) {
var thumbnailView = thumbnailViewer.getThumbnail(pageIndex);
thumbnailView.setImage(pageView);
}
}
thumbnailViewer.scrollThumbnailIntoView(this.page);
},
switchSidebarView: function pdfViewSwitchSidebarView(view, openSidebar) {
if (openSidebar && !this.sidebarOpen) {
document.getElementById('sidebarToggle').click();
}
var thumbsView = document.getElementById('thumbnailView');
var outlineView = document.getElementById('outlineView');
var attachmentsView = document.getElementById('attachmentsView');
var thumbsButton = document.getElementById('viewThumbnail');
var outlineButton = document.getElementById('viewOutline');
var attachmentsButton = document.getElementById('viewAttachments');
switch (view) {
case 'thumbs':
var wasAnotherViewVisible = thumbsView.classList.contains('hidden');
thumbsButton.classList.add('toggled');
outlineButton.classList.remove('toggled');
attachmentsButton.classList.remove('toggled');
thumbsView.classList.remove('hidden');
outlineView.classList.add('hidden');
attachmentsView.classList.add('hidden');
this.forceRendering();
if (wasAnotherViewVisible) {
this.pdfThumbnailViewer.ensureThumbnailVisible(this.page);
}
break;
case 'outline':
if (outlineButton.disabled) {
return;
}
thumbsButton.classList.remove('toggled');
outlineButton.classList.add('toggled');
attachmentsButton.classList.remove('toggled');
thumbsView.classList.add('hidden');
outlineView.classList.remove('hidden');
attachmentsView.classList.add('hidden');
break;
case 'attachments':
if (attachmentsButton.disabled) {
return;
}
thumbsButton.classList.remove('toggled');
outlineButton.classList.remove('toggled');
attachmentsButton.classList.add('toggled');
thumbsView.classList.add('hidden');
outlineView.classList.add('hidden');
attachmentsView.classList.remove('hidden');
break;
}
},
beforePrint: function pdfViewSetupBeforePrint() {
if (!this.supportsPrinting) {
var printMessage = mozL10n.get('printing_not_supported', null,
'Warning: Printing is not fully supported by this browser.');
this.error(printMessage);
return;
}
var alertNotReady = false;
var i, ii;
if (!this.pdfDocument || !this.pagesCount) {
alertNotReady = true;
} else {
for (i = 0, ii = this.pagesCount; i < ii; ++i) {
if (!this.pdfViewer.getPageView(i).pdfPage) {
alertNotReady = true;
break;
}
}
}
if (alertNotReady) {
var notReadyMessage = mozL10n.get('printing_not_ready', null,
'Warning: The PDF is not fully loaded for printing.');
window.alert(notReadyMessage);
return;
}
this.printing = true;
this.forceRendering();
var body = document.querySelector('body');
body.setAttribute('data-mozPrintCallback', true);
if (!this.hasEqualPageSizes) {
console.warn('Not all pages have the same size. The printed result ' +
'may be incorrect!');
}
// Insert a @page + size rule to make sure that the page size is correctly
// set. Note that we assume that all pages have the same size, because
// variable-size pages are not supported yet (at least in Chrome & Firefox).
// TODO(robwu): Use named pages when size calculation bugs get resolved
// (e.g. https://crbug.com/355116) AND when support for named pages is
// added (http://www.w3.org/TR/css3-page/#using-named-pages).
// In browsers where @page + size is not supported (such as Firefox,
// https://bugzil.la/851441), the next stylesheet will be ignored and the
// user has to select the correct paper size in the UI if wanted.
this.pageStyleSheet = document.createElement('style');
var pageSize = this.pdfViewer.getPageView(0).pdfPage.getViewport(1);
this.pageStyleSheet.textContent =
// "size:<width> <height>" is what we need. But also add "A4" because
// Firefox incorrectly reports support for the other value.
'@supports ((size:A4) and (size:1pt 1pt)) {' +
'@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' +
// The canvas and each ancestor node must have a height of 100% to make
// sure that each canvas is printed on exactly one page.
'#printContainer {height:100%}' +
'#printContainer > div {width:100% !important;height:100% !important;}' +
'}';
body.appendChild(this.pageStyleSheet);
for (i = 0, ii = this.pagesCount; i < ii; ++i) {
this.pdfViewer.getPageView(i).beforePrint();
}
//#if !PRODUCTION
if (true) {
return;
}
//#endif
//#if (FIREFOX || MOZCENTRAL)
FirefoxCom.request('reportTelemetry', JSON.stringify({
type: 'print'
}));
//#endif
},
// Whether all pages of the PDF have the same width and height.
get hasEqualPageSizes() {
var firstPage = this.pdfViewer.getPageView(0);
for (var i = 1, ii = this.pagesCount; i < ii; ++i) {
var pageView = this.pdfViewer.getPageView(i);
if (pageView.width !== firstPage.width ||
pageView.height !== firstPage.height) {
return false;
}
}
return true;
},
afterPrint: function pdfViewSetupAfterPrint() {
var div = document.getElementById('printContainer');
while (div.hasChildNodes()) {
div.removeChild(div.lastChild);
}
if (this.pageStyleSheet && this.pageStyleSheet.parentNode) {
this.pageStyleSheet.parentNode.removeChild(this.pageStyleSheet);
this.pageStyleSheet = null;
}
this.printing = false;
this.forceRendering();
},
rotatePages: function pdfViewRotatePages(delta) {
var pageNumber = this.page;
this.pageRotation = (this.pageRotation + 360 + delta) % 360;
this.pdfViewer.pagesRotation = this.pageRotation;
this.pdfThumbnailViewer.pagesRotation = this.pageRotation;
this.forceRendering();
this.pdfViewer.scrollPageIntoView(pageNumber);
},
requestPresentationMode: function pdfViewRequestPresentationMode() {
if (!this.pdfPresentationMode) {
return;
}
this.pdfPresentationMode.request();
},
/**
* @param {number} delta - The delta value from the mouse event.
*/
scrollPresentationMode: function pdfViewScrollPresentationMode(delta) {
if (!this.pdfPresentationMode) {
return;
}
this.pdfPresentationMode.mouseScroll(delta);
}
};
//#if GENERIC
window.PDFView = PDFViewerApplication; // obsolete name, using it as an alias
//#endif
//#if CHROME
//(function rewriteUrlClosure() {
// // Run this code outside DOMContentLoaded to make sure that the URL
// // is rewritten as soon as possible.
// var queryString = document.location.search.slice(1);
// var params = parseQueryString(queryString);
// DEFAULT_URL = params.file || '';
//
// // Example: chrome-extension://.../http://example.com/file.pdf
// var humanReadableUrl = '/' + DEFAULT_URL + location.hash;
// history.replaceState(history.state, '', humanReadableUrl);
// if (top === window) {
// chrome.runtime.sendMessage('showPageAction');
// }
//})();
//#endif
function webViewerLoad(evt) {
PDFViewerApplication.initialize().then(webViewerInitialized);
}
function webViewerInitialized() {
//#if GENERIC
var queryString = document.location.search.substring(1);
var params = parseQueryString(queryString);
var file = 'file' in params ? params.file : DEFAULT_URL;
//#endif
//#if (FIREFOX || MOZCENTRAL)
//var file = window.location.href.split('#')[0];
//#endif
//#if CHROME
//var file = DEFAULT_URL;
//#endif
//#if GENERIC
var fileInput = document.createElement('input');
fileInput.id = 'fileInput';
fileInput.className = 'fileInput';
fileInput.setAttribute('type', 'file');
fileInput.oncontextmenu = noContextMenuHandler;
document.body.appendChild(fileInput);
if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
document.getElementById('openFile').setAttribute('hidden', 'true');
document.getElementById('secondaryOpenFile').setAttribute('hidden', 'true');
} else {
document.getElementById('fileInput').value = null;
}
//#else
//document.getElementById('openFile').setAttribute('hidden', 'true');
//document.getElementById('secondaryOpenFile').setAttribute('hidden', 'true');
//#endif
//#if !(FIREFOX || MOZCENTRAL)
var locale = PDFJS.locale || navigator.language;
//#endif
//#if !PRODUCTION
if (true) {
//#else
//if (PDFViewerApplication.preferencePdfBugEnabled) {
//#endif
// Special debugging flags in the hash section of the URL.
var hash = document.location.hash.substring(1);
var hashParams = parseQueryString(hash);
if ('disableworker' in hashParams) {
PDFJS.disableWorker = (hashParams['disableworker'] === 'true');
}
if ('disablerange' in hashParams) {
PDFJS.disableRange = (hashParams['disablerange'] === 'true');
}
if ('disablestream' in hashParams) {
PDFJS.disableStream = (hashParams['disablestream'] === 'true');
}
if ('disableautofetch' in hashParams) {
PDFJS.disableAutoFetch = (hashParams['disableautofetch'] === 'true');
}
if ('disablefontface' in hashParams) {
PDFJS.disableFontFace = (hashParams['disablefontface'] === 'true');
}
if ('disablehistory' in hashParams) {
PDFJS.disableHistory = (hashParams['disablehistory'] === 'true');
}
if ('webgl' in hashParams) {
PDFJS.disableWebGL = (hashParams['webgl'] !== 'true');
}
if ('useonlycsszoom' in hashParams) {
PDFJS.useOnlyCssZoom = (hashParams['useonlycsszoom'] === 'true');
}
if ('verbosity' in hashParams) {
PDFJS.verbosity = hashParams['verbosity'] | 0;
}
if ('ignorecurrentpositiononzoom' in hashParams) {
IGNORE_CURRENT_POSITION_ON_ZOOM =
(hashParams['ignorecurrentpositiononzoom'] === 'true');
}
//#if !PRODUCTION
if ('disablebcmaps' in hashParams && hashParams['disablebcmaps']) {
PDFJS.cMapUrl = '../external/cmaps/';
PDFJS.cMapPacked = false;
}
//#endif
//#if !(FIREFOX || MOZCENTRAL)
if ('locale' in hashParams) {
locale = hashParams['locale'];
}
//#endif
if ('textlayer' in hashParams) {
switch (hashParams['textlayer']) {
case 'off':
PDFJS.disableTextLayer = true;
break;
case 'visible':
case 'shadow':
case 'hover':
var viewer = document.getElementById('viewer');
viewer.classList.add('textLayer-' + hashParams['textlayer']);
break;
}
}
if ('pdfbug' in hashParams) {
PDFJS.pdfBug = true;
var pdfBug = hashParams['pdfbug'];
var enabled = pdfBug.split(',');
PDFBug.enable(enabled);
PDFBug.init();
}
}
//#if !(FIREFOX || MOZCENTRAL)
mozL10n.setLanguage(locale);
//#endif
//#if (FIREFOX || MOZCENTRAL)
if (!PDFViewerApplication.supportsDocumentFonts) {
PDFJS.disableFontFace = true;
console.warn(mozL10n.get('web_fonts_disabled', null,
'Web fonts are disabled: unable to use embedded PDF fonts.'));
}
//#endif
if (!PDFViewerApplication.supportsPrinting) {
document.getElementById('print').classList.add('hidden');
document.getElementById('secondaryPrint').classList.add('hidden');
}
if (!PDFViewerApplication.supportsFullscreen) {
document.getElementById('presentationMode').classList.add('hidden');
document.getElementById('secondaryPresentationMode').
classList.add('hidden');
}
if (PDFViewerApplication.supportsIntegratedFind) {
document.getElementById('viewFind').classList.add('hidden');
}
// Listen for unsupported features to trigger the fallback UI.
PDFJS.UnsupportedManager.listen(
PDFViewerApplication.fallback.bind(PDFViewerApplication));
// Suppress context menus for some controls
document.getElementById('scaleSelect').oncontextmenu = noContextMenuHandler;
var mainContainer = document.getElementById('mainContainer');
var outerContainer = document.getElementById('outerContainer');
mainContainer.addEventListener('transitionend', function(e) {
if (e.target === mainContainer) {
var event = document.createEvent('UIEvents');
event.initUIEvent('resize', false, false, window, 0);
window.dispatchEvent(event);
outerContainer.classList.remove('sidebarMoving');
}
}, true);
document.getElementById('sidebarToggle').addEventListener('click',
function() {
this.classList.toggle('toggled');
outerContainer.classList.add('sidebarMoving');
outerContainer.classList.toggle('sidebarOpen');
PDFViewerApplication.sidebarOpen =
outerContainer.classList.contains('sidebarOpen');
if (PDFViewerApplication.sidebarOpen) {
PDFViewerApplication.refreshThumbnailViewer();
}
PDFViewerApplication.forceRendering();
});
document.getElementById('viewThumbnail').addEventListener('click',
function() {
PDFViewerApplication.switchSidebarView('thumbs');
});
document.getElementById('viewOutline').addEventListener('click',
function() {
PDFViewerApplication.switchSidebarView('outline');
});
document.getElementById('viewOutline').addEventListener('dblclick',
function() {
PDFViewerApplication.outline.toggleOutlineTree();
});
document.getElementById('viewAttachments').addEventListener('click',
function() {
PDFViewerApplication.switchSidebarView('attachments');
});
document.getElementById('previous').addEventListener('click',
function() {
PDFViewerApplication.page--;
});
document.getElementById('next').addEventListener('click',
function() {
PDFViewerApplication.page++;
});
document.getElementById('zoomIn').addEventListener('click',
function() {
PDFViewerApplication.zoomIn();
});
document.getElementById('zoomOut').addEventListener('click',
function() {
PDFViewerApplication.zoomOut();
});
document.getElementById('pageNumber').addEventListener('click', function() {
this.select();
});
document.getElementById('pageNumber').addEventListener('change', function() {
// Handle the user inputting a floating point number.
PDFViewerApplication.page = (this.value | 0);
if (this.value !== (this.value | 0).toString()) {
this.value = PDFViewerApplication.page;
}
});
document.getElementById('scaleSelect').addEventListener('change', function() {
if (this.value === 'custom') {
return;