d162dba85e
Ensure that the viewer always receives focus when the HOME/END keys are pressed (bug 1186842)
2095 lines
69 KiB
JavaScript
2095 lines
69 KiB
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, getVisibleElements,
|
|
watchScroll, 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('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*\(/g;
|
|
for (var i = 0, ii = javaScript.length; i < ii; i++) {
|
|
var js = javaScript[i];
|
|
if (js && regex.test(js)) {
|
|
setTimeout(function() {
|
|
window.print();
|
|
});
|
|
return;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
});
|
|
|
|
// outline depends on pagesRefMap
|
|
var promises = [pagesPromise, this.animationStartedPromise];
|
|
Promise.all(promises).then(function() {
|
|
pdfDocument.getOutline().then(function(outline) {
|
|
var 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':
|
|
thumbsButton.classList.remove('toggled');
|
|
outlineButton.classList.add('toggled');
|
|
attachmentsButton.classList.remove('toggled');
|
|
thumbsView.classList.add('hidden');
|
|
outlineView.classList.remove('hidden');
|
|
attachmentsView.classList.add('hidden');
|
|
|
|
if (outlineButton.getAttribute('disabled')) {
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case 'attachments':
|
|
thumbsButton.classList.remove('toggled');
|
|
outlineButton.classList.remove('toggled');
|
|
attachmentsButton.classList.add('toggled');
|
|
thumbsView.classList.add('hidden');
|
|
outlineView.classList.add('hidden');
|
|
attachmentsView.classList.remove('hidden');
|
|
|
|
if (attachmentsButton.getAttribute('disabled')) {
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
},
|
|
|
|
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('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;
|
|
}
|
|
PDFViewerApplication.pdfViewer.currentScaleValue = this.value;
|
|
});
|
|
|
|
document.getElementById('presentationMode').addEventListener('click',
|
|
SecondaryToolbar.presentationModeClick.bind(SecondaryToolbar));
|
|
|
|
document.getElementById('openFile').addEventListener('click',
|
|
SecondaryToolbar.openFileClick.bind(SecondaryToolbar));
|
|
|
|
document.getElementById('print').addEventListener('click',
|
|
SecondaryToolbar.printClick.bind(SecondaryToolbar));
|
|
|
|
document.getElementById('download').addEventListener('click',
|
|
SecondaryToolbar.downloadClick.bind(SecondaryToolbar));
|
|
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
//PDFViewerApplication.setTitleUsingUrl(file);
|
|
//PDFViewerApplication.initPassiveLoading();
|
|
//return;
|
|
//#endif
|
|
|
|
//#if GENERIC
|
|
if (file && file.lastIndexOf('file:', 0) === 0) {
|
|
// file:-scheme. Load the contents in the main thread because QtWebKit
|
|
// cannot load file:-URLs in a Web Worker. file:-URLs are usually loaded
|
|
// very quickly, so there is no need to set up progress event listeners.
|
|
PDFViewerApplication.setTitleUsingUrl(file);
|
|
var xhr = new XMLHttpRequest();
|
|
xhr.onload = function() {
|
|
PDFViewerApplication.open(new Uint8Array(xhr.response), 0);
|
|
};
|
|
try {
|
|
xhr.open('GET', file);
|
|
xhr.responseType = 'arraybuffer';
|
|
xhr.send();
|
|
} catch (e) {
|
|
PDFViewerApplication.error(mozL10n.get('loading_error', null,
|
|
'An error occurred while loading the PDF.'), e);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (file) {
|
|
PDFViewerApplication.open(file, 0);
|
|
}
|
|
//#endif
|
|
//#if CHROME
|
|
//if (file) {
|
|
// ChromeCom.openPDFFile(file);
|
|
//}
|
|
//#endif
|
|
}
|
|
|
|
document.addEventListener('DOMContentLoaded', webViewerLoad, true);
|
|
|
|
document.addEventListener('pagerendered', function (e) {
|
|
var pageNumber = e.detail.pageNumber;
|
|
var pageIndex = pageNumber - 1;
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
|
|
|
|
if (PDFViewerApplication.sidebarOpen) {
|
|
var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.
|
|
getThumbnail(pageIndex);
|
|
thumbnailView.setImage(pageView);
|
|
}
|
|
|
|
if (PDFJS.pdfBug && Stats.enabled && pageView.stats) {
|
|
Stats.add(pageNumber, pageView.stats);
|
|
}
|
|
|
|
if (pageView.error) {
|
|
PDFViewerApplication.error(mozL10n.get('rendering_error', null,
|
|
'An error occurred while rendering the page.'), pageView.error);
|
|
}
|
|
|
|
// If the page is still visible when it has finished rendering,
|
|
// ensure that the page number input loading indicator is hidden.
|
|
if (pageNumber === PDFViewerApplication.page) {
|
|
var pageNumberInput = document.getElementById('pageNumber');
|
|
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
|
|
}
|
|
|
|
//#if !PRODUCTION
|
|
if (true) {
|
|
return;
|
|
}
|
|
//#endif
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
FirefoxCom.request('reportTelemetry', JSON.stringify({
|
|
type: 'pageInfo'
|
|
}));
|
|
// It is a good time to report stream and font types.
|
|
PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
|
|
FirefoxCom.request('reportTelemetry', JSON.stringify({
|
|
type: 'documentStats',
|
|
stats: stats
|
|
}));
|
|
});
|
|
//#endif
|
|
}, true);
|
|
|
|
document.addEventListener('textlayerrendered', function (e) {
|
|
var pageIndex = e.detail.pageNumber - 1;
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
|
|
|
|
//#if !PRODUCTION
|
|
if (true) {
|
|
return;
|
|
}
|
|
//#endif
|
|
//#if (FIREFOX || MOZCENTRAL)
|
|
if (pageView.textLayer && pageView.textLayer.textDivs &&
|
|
pageView.textLayer.textDivs.length > 0 &&
|
|
!PDFViewerApplication.supportsDocumentColors) {
|
|
console.error(mozL10n.get('document_colors_disabled', null,
|
|
'PDF documents are not allowed to use their own colors: ' +
|
|
'\'Allow pages to choose their own colors\' ' +
|
|
'is deactivated in the browser.'));
|
|
PDFViewerApplication.fallback();
|
|
}
|
|
//#endif
|
|
}, true);
|
|
|
|
document.addEventListener('namedaction', function (e) {
|
|
// Processing couple of named actions that might be useful.
|
|
// See also PDFLinkService.executeNamedAction
|
|
var action = e.action;
|
|
switch (action) {
|
|
case 'GoToPage':
|
|
document.getElementById('pageNumber').focus();
|
|
break;
|
|
|
|
case 'Find':
|
|
if (!this.supportsIntegratedFind) {
|
|
this.findBar.toggle();
|
|
}
|
|
break;
|
|
}
|
|
}, true);
|
|
|
|
window.addEventListener('presentationmodechanged', function (e) {
|
|
var active = e.detail.active;
|
|
var switchInProgress = e.detail.switchInProgress;
|
|
PDFViewerApplication.pdfViewer.presentationModeState =
|
|
switchInProgress ? PresentationModeState.CHANGING :
|
|
active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL;
|
|
});
|
|
|
|
function updateViewarea() {
|
|
if (!PDFViewerApplication.initialized) {
|
|
return;
|
|
}
|
|
PDFViewerApplication.pdfViewer.update();
|
|
}
|
|
|
|
window.addEventListener('updateviewarea', function (evt) {
|
|
if (!PDFViewerApplication.initialized) {
|
|
return;
|
|
}
|
|
var location = evt.location;
|
|
|
|
PDFViewerApplication.store.initializedPromise.then(function() {
|
|
PDFViewerApplication.store.setMultiple({
|
|
'exists': true,
|
|
'page': location.pageNumber,
|
|
'zoom': location.scale,
|
|
'scrollLeft': location.left,
|
|
'scrollTop': location.top
|
|
}).catch(function() {
|
|
// unable to write to storage
|
|
});
|
|
});
|
|
var href =
|
|
PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
|
|
document.getElementById('viewBookmark').href = href;
|
|
document.getElementById('secondaryViewBookmark').href = href;
|
|
|
|
// Update the current bookmark in the browsing history.
|
|
PDFViewerApplication.pdfHistory.updateCurrentBookmark(location.pdfOpenParams,
|
|
location.pageNumber);
|
|
|
|
// Show/hide the loading indicator in the page number input element.
|
|
var pageNumberInput = document.getElementById('pageNumber');
|
|
var currentPage =
|
|
PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
|
|
|
|
if (currentPage.renderingState === RenderingStates.FINISHED) {
|
|
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
|
|
} else {
|
|
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
|
|
}
|
|
}, true);
|
|
|
|
window.addEventListener('resize', function webViewerResize(evt) {
|
|
if (PDFViewerApplication.initialized) {
|
|
var currentScaleValue = PDFViewerApplication.pdfViewer.currentScaleValue;
|
|
if (currentScaleValue === 'auto' ||
|
|
currentScaleValue === 'page-fit' ||
|
|
currentScaleValue === 'page-width') {
|
|
// Note: the scale is constant for 'page-actual'.
|
|
PDFViewerApplication.pdfViewer.currentScaleValue = currentScaleValue;
|
|
} else if (!currentScaleValue) {
|
|
// Normally this shouldn't happen, but if the scale wasn't initialized
|
|
// we set it to the default value in order to prevent any issues.
|
|
// (E.g. the document being rendered with the wrong scale on load.)
|
|
PDFViewerApplication.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
|
|
}
|
|
}
|
|
updateViewarea();
|
|
|
|
// Set the 'max-height' CSS property of the secondary toolbar.
|
|
SecondaryToolbar.setMaxHeight(document.getElementById('viewerContainer'));
|
|
});
|
|
|
|
window.addEventListener('hashchange', function webViewerHashchange(evt) {
|
|
if (PDFViewerApplication.pdfHistory.isHashChangeUnlocked) {
|
|
var hash = document.location.hash.substring(1);
|
|
if (!hash) {
|
|
return;
|
|
}
|
|
if (!PDFViewerApplication.isInitialViewSet) {
|
|
PDFViewerApplication.initialBookmark = hash;
|
|
} else {
|
|
PDFViewerApplication.pdfLinkService.setHash(hash);
|
|
}
|
|
}
|
|
});
|
|
|
|
//#if GENERIC
|
|
window.addEventListener('change', function webViewerChange(evt) {
|
|
var files = evt.target.files;
|
|
if (!files || files.length === 0) {
|
|
return;
|
|
}
|
|
var file = files[0];
|
|
|
|
if (!PDFJS.disableCreateObjectURL &&
|
|
typeof URL !== 'undefined' && URL.createObjectURL) {
|
|
PDFViewerApplication.open(URL.createObjectURL(file), 0);
|
|
} else {
|
|
// Read the local file into a Uint8Array.
|
|
var fileReader = new FileReader();
|
|
fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
|
|
var buffer = evt.target.result;
|
|
var uint8Array = new Uint8Array(buffer);
|
|
PDFViewerApplication.open(uint8Array, 0);
|
|
};
|
|
fileReader.readAsArrayBuffer(file);
|
|
}
|
|
|
|
PDFViewerApplication.setTitleUsingUrl(file.name);
|
|
|
|
// URL does not reflect proper document location - hiding some icons.
|
|
document.getElementById('viewBookmark').setAttribute('hidden', 'true');
|
|
document.getElementById('secondaryViewBookmark').
|
|
setAttribute('hidden', 'true');
|
|
document.getElementById('download').setAttribute('hidden', 'true');
|
|
document.getElementById('secondaryDownload').setAttribute('hidden', 'true');
|
|
}, true);
|
|
//#endif
|
|
|
|
function selectScaleOption(value) {
|
|
var options = document.getElementById('scaleSelect').options;
|
|
var predefinedValueFound = false;
|
|
for (var i = 0, ii = options.length; i < ii; i++) {
|
|
var option = options[i];
|
|
if (option.value !== value) {
|
|
option.selected = false;
|
|
continue;
|
|
}
|
|
option.selected = true;
|
|
predefinedValueFound = true;
|
|
}
|
|
return predefinedValueFound;
|
|
}
|
|
|
|
window.addEventListener('localized', function localized(evt) {
|
|
document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
|
|
|
|
PDFViewerApplication.animationStartedPromise.then(function() {
|
|
// Adjust the width of the zoom box to fit the content.
|
|
// Note: If the window is narrow enough that the zoom box is not visible,
|
|
// we temporarily show it to be able to adjust its width.
|
|
var container = document.getElementById('scaleSelectContainer');
|
|
if (container.clientWidth === 0) {
|
|
container.setAttribute('style', 'display: inherit;');
|
|
}
|
|
if (container.clientWidth > 0) {
|
|
var select = document.getElementById('scaleSelect');
|
|
select.setAttribute('style', 'min-width: inherit;');
|
|
var width = select.clientWidth + SCALE_SELECT_CONTAINER_PADDING;
|
|
select.setAttribute('style', 'min-width: ' +
|
|
(width + SCALE_SELECT_PADDING) + 'px;');
|
|
container.setAttribute('style', 'min-width: ' + width + 'px; ' +
|
|
'max-width: ' + width + 'px;');
|
|
}
|
|
|
|
// Set the 'max-height' CSS property of the secondary toolbar.
|
|
SecondaryToolbar.setMaxHeight(document.getElementById('viewerContainer'));
|
|
});
|
|
}, true);
|
|
|
|
window.addEventListener('scalechange', function scalechange(evt) {
|
|
document.getElementById('zoomOut').disabled = (evt.scale === MIN_SCALE);
|
|
document.getElementById('zoomIn').disabled = (evt.scale === MAX_SCALE);
|
|
|
|
// Update the 'scaleSelect' DOM element.
|
|
var predefinedValueFound = selectScaleOption(evt.presetValue ||
|
|
'' + evt.scale);
|
|
if (!predefinedValueFound) {
|
|
var customScaleOption = document.getElementById('customScaleOption');
|
|
var customScale = Math.round(evt.scale * 10000) / 100;
|
|
customScaleOption.textContent =
|
|
mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%');
|
|
customScaleOption.selected = true;
|
|
}
|
|
updateViewarea();
|
|
}, true);
|
|
|
|
window.addEventListener('pagechange', function pagechange(evt) {
|
|
var page = evt.pageNumber;
|
|
if (evt.previousPageNumber !== page) {
|
|
document.getElementById('pageNumber').value = page;
|
|
if (PDFViewerApplication.sidebarOpen) {
|
|
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
|
|
}
|
|
}
|
|
var numPages = PDFViewerApplication.pagesCount;
|
|
|
|
document.getElementById('previous').disabled = (page <= 1);
|
|
document.getElementById('next').disabled = (page >= numPages);
|
|
|
|
document.getElementById('firstPage').disabled = (page <= 1);
|
|
document.getElementById('lastPage').disabled = (page >= numPages);
|
|
|
|
// we need to update stats
|
|
if (PDFJS.pdfBug && Stats.enabled) {
|
|
var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
|
|
if (pageView.stats) {
|
|
Stats.add(page, pageView.stats);
|
|
}
|
|
}
|
|
}, true);
|
|
|
|
function handleMouseWheel(evt) {
|
|
var MOUSE_WHEEL_DELTA_FACTOR = 40;
|
|
var ticks = (evt.type === 'DOMMouseScroll') ? -evt.detail :
|
|
evt.wheelDelta / MOUSE_WHEEL_DELTA_FACTOR;
|
|
var direction = (ticks < 0) ? 'zoomOut' : 'zoomIn';
|
|
|
|
var pdfViewer = PDFViewerApplication.pdfViewer;
|
|
if (pdfViewer.isInPresentationMode) {
|
|
evt.preventDefault();
|
|
PDFViewerApplication.scrollPresentationMode(ticks *
|
|
MOUSE_WHEEL_DELTA_FACTOR);
|
|
} else if (evt.ctrlKey || evt.metaKey) {
|
|
// Only zoom the pages, not the entire viewer.
|
|
evt.preventDefault();
|
|
|
|
var previousScale = pdfViewer.currentScale;
|
|
|
|
PDFViewerApplication[direction](Math.abs(ticks));
|
|
|
|
var currentScale = pdfViewer.currentScale;
|
|
if (previousScale !== currentScale) {
|
|
// After scaling the page via zoomIn/zoomOut, the position of the upper-
|
|
// left corner is restored. When the mouse wheel is used, the position
|
|
// under the cursor should be restored instead.
|
|
var scaleCorrectionFactor = currentScale / previousScale - 1;
|
|
var rect = pdfViewer.container.getBoundingClientRect();
|
|
var dx = evt.clientX - rect.left;
|
|
var dy = evt.clientY - rect.top;
|
|
pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
|
|
pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
|
|
}
|
|
}
|
|
}
|
|
|
|
window.addEventListener('DOMMouseScroll', handleMouseWheel);
|
|
window.addEventListener('mousewheel', handleMouseWheel);
|
|
|
|
window.addEventListener('click', function click(evt) {
|
|
if (SecondaryToolbar.opened &&
|
|
PDFViewerApplication.pdfViewer.containsElement(evt.target)) {
|
|
SecondaryToolbar.close();
|
|
}
|
|
}, false);
|
|
|
|
window.addEventListener('keydown', function keydown(evt) {
|
|
if (OverlayManager.active) {
|
|
return;
|
|
}
|
|
|
|
var handled = false;
|
|
var cmd = (evt.ctrlKey ? 1 : 0) |
|
|
(evt.altKey ? 2 : 0) |
|
|
(evt.shiftKey ? 4 : 0) |
|
|
(evt.metaKey ? 8 : 0);
|
|
|
|
var pdfViewer = PDFViewerApplication.pdfViewer;
|
|
var isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
|
|
|
|
// 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: // f
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
|
PDFViewerApplication.findBar.open();
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 71: // g
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
|
PDFViewerApplication.findBar.dispatchEvent('again',
|
|
cmd === 5 || cmd === 12);
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 61: // FF/Mac '='
|
|
case 107: // FF '+' and '='
|
|
case 187: // Chrome '+'
|
|
case 171: // FF with German keyboard
|
|
if (!isViewerInPresentationMode) {
|
|
PDFViewerApplication.zoomIn();
|
|
}
|
|
handled = true;
|
|
break;
|
|
case 173: // FF/Mac '-'
|
|
case 109: // FF '-'
|
|
case 189: // Chrome '-'
|
|
if (!isViewerInPresentationMode) {
|
|
PDFViewerApplication.zoomOut();
|
|
}
|
|
handled = true;
|
|
break;
|
|
case 48: // '0'
|
|
case 96: // '0' on Numpad of Swedish keyboard
|
|
if (!isViewerInPresentationMode) {
|
|
// keeping it unhandled (to restore page zoom to 100%)
|
|
setTimeout(function () {
|
|
// ... and resetting the scale after browser adjusts its scale
|
|
pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
|
|
});
|
|
handled = false;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
//#if !(FIREFOX || MOZCENTRAL)
|
|
// CTRL or META without shift
|
|
if (cmd === 1 || cmd === 8) {
|
|
switch (evt.keyCode) {
|
|
case 83: // s
|
|
PDFViewerApplication.download();
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
//#endif
|
|
|
|
// CTRL+ALT or Option+Command
|
|
if (cmd === 3 || cmd === 10) {
|
|
switch (evt.keyCode) {
|
|
case 80: // p
|
|
PDFViewerApplication.requestPresentationMode();
|
|
handled = true;
|
|
break;
|
|
case 71: // g
|
|
// focuses input#pageNumber field
|
|
document.getElementById('pageNumber').select();
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (handled) {
|
|
evt.preventDefault();
|
|
return;
|
|
}
|
|
|
|
// Some shortcuts should not get handled if a control/input element
|
|
// is selected.
|
|
var curElement = document.activeElement || document.querySelector(':focus');
|
|
var curElementTagName = curElement && curElement.tagName.toUpperCase();
|
|
if (curElementTagName === 'INPUT' ||
|
|
curElementTagName === 'TEXTAREA' ||
|
|
curElementTagName === 'SELECT') {
|
|
// Make sure that the secondary toolbar is closed when Escape is pressed.
|
|
if (evt.keyCode !== 27) { // 'Esc'
|
|
return;
|
|
}
|
|
}
|
|
var ensureViewerFocused = false;
|
|
|
|
if (cmd === 0) { // no control key pressed at all.
|
|
switch (evt.keyCode) {
|
|
case 38: // up arrow
|
|
case 33: // pg up
|
|
case 8: // backspace
|
|
if (!isViewerInPresentationMode &&
|
|
pdfViewer.currentScaleValue !== 'page-fit') {
|
|
break;
|
|
}
|
|
/* in presentation mode */
|
|
/* falls through */
|
|
case 37: // left arrow
|
|
// horizontal scrolling using arrow keys
|
|
if (pdfViewer.isHorizontalScrollbarEnabled) {
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 75: // 'k'
|
|
case 80: // 'p'
|
|
PDFViewerApplication.page--;
|
|
handled = true;
|
|
break;
|
|
case 27: // esc key
|
|
if (SecondaryToolbar.opened) {
|
|
SecondaryToolbar.close();
|
|
handled = true;
|
|
}
|
|
if (!PDFViewerApplication.supportsIntegratedFind &&
|
|
PDFViewerApplication.findBar.opened) {
|
|
PDFViewerApplication.findBar.close();
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 40: // down arrow
|
|
case 34: // pg down
|
|
case 32: // spacebar
|
|
if (!isViewerInPresentationMode &&
|
|
pdfViewer.currentScaleValue !== 'page-fit') {
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 39: // right arrow
|
|
// horizontal scrolling using arrow keys
|
|
if (pdfViewer.isHorizontalScrollbarEnabled) {
|
|
break;
|
|
}
|
|
/* falls through */
|
|
case 74: // 'j'
|
|
case 78: // 'n'
|
|
PDFViewerApplication.page++;
|
|
handled = true;
|
|
break;
|
|
|
|
case 36: // home
|
|
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
|
|
PDFViewerApplication.page = 1;
|
|
handled = true;
|
|
ensureViewerFocused = true;
|
|
}
|
|
break;
|
|
case 35: // end
|
|
if (isViewerInPresentationMode || (PDFViewerApplication.pdfDocument &&
|
|
PDFViewerApplication.page < PDFViewerApplication.pagesCount)) {
|
|
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
|
|
handled = true;
|
|
ensureViewerFocused = true;
|
|
}
|
|
break;
|
|
|
|
case 72: // 'h'
|
|
if (!isViewerInPresentationMode) {
|
|
HandTool.toggle();
|
|
}
|
|
break;
|
|
case 82: // 'r'
|
|
PDFViewerApplication.rotatePages(90);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (cmd === 4) { // shift-key
|
|
switch (evt.keyCode) {
|
|
case 32: // spacebar
|
|
if (!isViewerInPresentationMode &&
|
|
pdfViewer.currentScaleValue !== 'page-fit') {
|
|
break;
|
|
}
|
|
PDFViewerApplication.page--;
|
|
handled = true;
|
|
break;
|
|
|
|
case 82: // 'r'
|
|
PDFViewerApplication.rotatePages(-90);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!handled && !isViewerInPresentationMode) {
|
|
// 33=Page Up 34=Page Down 35=End 36=Home
|
|
// 37=Left 38=Up 39=Right 40=Down
|
|
// 32=Spacebar
|
|
if ((evt.keyCode >= 33 && evt.keyCode <= 40) ||
|
|
(evt.keyCode === 32 && curElementTagName !== 'BUTTON')) {
|
|
ensureViewerFocused = true;
|
|
}
|
|
}
|
|
|
|
if (cmd === 2) { // alt-key
|
|
switch (evt.keyCode) {
|
|
case 37: // left arrow
|
|
if (isViewerInPresentationMode) {
|
|
PDFViewerApplication.pdfHistory.back();
|
|
handled = true;
|
|
}
|
|
break;
|
|
case 39: // right arrow
|
|
if (isViewerInPresentationMode) {
|
|
PDFViewerApplication.pdfHistory.forward();
|
|
handled = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
|
|
// The page container is not focused, but a page navigation key has been
|
|
// pressed. Change the focus to the viewer container to make sure that
|
|
// navigation by keyboard works as expected.
|
|
pdfViewer.focus();
|
|
}
|
|
|
|
if (handled) {
|
|
evt.preventDefault();
|
|
}
|
|
});
|
|
|
|
window.addEventListener('beforeprint', function beforePrint(evt) {
|
|
PDFViewerApplication.beforePrint();
|
|
});
|
|
|
|
window.addEventListener('afterprint', function afterPrint(evt) {
|
|
PDFViewerApplication.afterPrint();
|
|
});
|
|
|
|
(function animationStartedClosure() {
|
|
// The offsetParent is not set until the pdf.js iframe or object is visible.
|
|
// Waiting for first animation.
|
|
PDFViewerApplication.animationStartedPromise = new Promise(
|
|
function (resolve) {
|
|
window.requestAnimationFrame(resolve);
|
|
});
|
|
})();
|