/* Copyright 2016 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.
*/
'use strict';
var DEFAULT_URL = 'compressed.tracemonkey-pldi-09.pdf';
;
var pdfjsWebLibs;
{
pdfjsWebLibs = { pdfjsWebPDFJS: window.pdfjsDistBuildPdf };
(function () {
(function (root, factory) {
factory(root.pdfjsWebGrabToPan = {});
}(this, function (exports) {
function GrabToPan(options) {
this.element = options.element;
this.document = options.element.ownerDocument;
if (typeof options.ignoreTarget === 'function') {
this.ignoreTarget = options.ignoreTarget;
}
this.onActiveChanged = options.onActiveChanged;
this.activate = this.activate.bind(this);
this.deactivate = this.deactivate.bind(this);
this.toggle = this.toggle.bind(this);
this._onmousedown = this._onmousedown.bind(this);
this._onmousemove = this._onmousemove.bind(this);
this._endPan = this._endPan.bind(this);
var overlay = this.overlay = document.createElement('div');
overlay.className = 'grab-to-pan-grabbing';
}
GrabToPan.prototype = {
CSS_CLASS_GRAB: 'grab-to-pan-grab',
activate: function GrabToPan_activate() {
if (!this.active) {
this.active = true;
this.element.addEventListener('mousedown', this._onmousedown, true);
this.element.classList.add(this.CSS_CLASS_GRAB);
if (this.onActiveChanged) {
this.onActiveChanged(true);
}
}
},
deactivate: function GrabToPan_deactivate() {
if (this.active) {
this.active = false;
this.element.removeEventListener('mousedown', this._onmousedown, true);
this._endPan();
this.element.classList.remove(this.CSS_CLASS_GRAB);
if (this.onActiveChanged) {
this.onActiveChanged(false);
}
}
},
toggle: function GrabToPan_toggle() {
if (this.active) {
this.deactivate();
} else {
this.activate();
}
},
ignoreTarget: function GrabToPan_ignoreTarget(node) {
return node[matchesSelector]('a[href], a[href] *, input, textarea, button, button *, select, option');
},
_onmousedown: function GrabToPan__onmousedown(event) {
if (event.button !== 0 || this.ignoreTarget(event.target)) {
return;
}
if (event.originalTarget) {
try {
event.originalTarget.tagName;
} catch (e) {
return;
}
}
this.scrollLeftStart = this.element.scrollLeft;
this.scrollTopStart = this.element.scrollTop;
this.clientXStart = event.clientX;
this.clientYStart = event.clientY;
this.document.addEventListener('mousemove', this._onmousemove, true);
this.document.addEventListener('mouseup', this._endPan, true);
this.element.addEventListener('scroll', this._endPan, true);
event.preventDefault();
event.stopPropagation();
var focusedElement = document.activeElement;
if (focusedElement && !focusedElement.contains(event.target)) {
focusedElement.blur();
}
},
_onmousemove: function GrabToPan__onmousemove(event) {
this.element.removeEventListener('scroll', this._endPan, true);
if (isLeftMouseReleased(event)) {
this._endPan();
return;
}
var xDiff = event.clientX - this.clientXStart;
var yDiff = event.clientY - this.clientYStart;
var scrollTop = this.scrollTopStart - yDiff;
var scrollLeft = this.scrollLeftStart - xDiff;
if (this.element.scrollTo) {
this.element.scrollTo({
top: scrollTop,
left: scrollLeft,
behavior: 'instant'
});
} else {
this.element.scrollTop = scrollTop;
this.element.scrollLeft = scrollLeft;
}
if (!this.overlay.parentNode) {
document.body.appendChild(this.overlay);
}
},
_endPan: function GrabToPan__endPan() {
this.element.removeEventListener('scroll', this._endPan, true);
this.document.removeEventListener('mousemove', this._onmousemove, true);
this.document.removeEventListener('mouseup', this._endPan, true);
if (this.overlay.parentNode) {
this.overlay.parentNode.removeChild(this.overlay);
}
}
};
var matchesSelector;
[
'webkitM',
'mozM',
'msM',
'oM',
'm'
].some(function (prefix) {
var name = prefix + 'atches';
if (name in document.documentElement) {
matchesSelector = name;
}
name += 'Selector';
if (name in document.documentElement) {
matchesSelector = name;
}
return matchesSelector;
});
var isNotIEorIsIE10plus = !document.documentMode || document.documentMode > 9;
var chrome = window.chrome;
var isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
var isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
function isLeftMouseReleased(event) {
if ('buttons' in event && isNotIEorIsIE10plus) {
return !(event.buttons & 1);
}
if (isChrome15OrOpera15plus || isSafari6plus) {
return event.which === 0;
}
}
exports.GrabToPan = GrabToPan;
}));
(function (root, factory) {
factory(root.pdfjsWebOverlayManager = {});
}(this, function (exports) {
var OverlayManager = {
overlays: {},
active: null,
register: function overlayManagerRegister(name, element, callerCloseMethod, canForceClose) {
return new Promise(function (resolve) {
var container;
if (!name || !element || !(container = element.parentNode)) {
throw new Error('Not enough parameters.');
} else if (this.overlays[name]) {
throw new Error('The overlay is already registered.');
}
this.overlays[name] = {
element: element,
container: container,
callerCloseMethod: callerCloseMethod || null,
canForceClose: canForceClose || false
};
resolve();
}.bind(this));
},
unregister: function overlayManagerUnregister(name) {
return new Promise(function (resolve) {
if (!this.overlays[name]) {
throw new Error('The overlay does not exist.');
} else if (this.active === name) {
throw new Error('The overlay cannot be removed while it is active.');
}
delete this.overlays[name];
resolve();
}.bind(this));
},
open: function overlayManagerOpen(name) {
return new Promise(function (resolve) {
if (!this.overlays[name]) {
throw new Error('The overlay does not exist.');
} else if (this.active) {
if (this.overlays[name].canForceClose) {
this._closeThroughCaller();
} else if (this.active === name) {
throw new Error('The overlay is already active.');
} else {
throw new Error('Another overlay is currently active.');
}
}
this.active = name;
this.overlays[this.active].element.classList.remove('hidden');
this.overlays[this.active].container.classList.remove('hidden');
window.addEventListener('keydown', this._keyDown);
resolve();
}.bind(this));
},
close: function overlayManagerClose(name) {
return new Promise(function (resolve) {
if (!this.overlays[name]) {
throw new Error('The overlay does not exist.');
} else if (!this.active) {
throw new Error('The overlay is currently not active.');
} else if (this.active !== name) {
throw new Error('Another overlay is currently active.');
}
this.overlays[this.active].container.classList.add('hidden');
this.overlays[this.active].element.classList.add('hidden');
this.active = null;
window.removeEventListener('keydown', this._keyDown);
resolve();
}.bind(this));
},
_keyDown: function overlayManager_keyDown(evt) {
var self = OverlayManager;
if (self.active && evt.keyCode === 27) {
self._closeThroughCaller();
evt.preventDefault();
}
},
_closeThroughCaller: function overlayManager_closeThroughCaller() {
if (this.overlays[this.active].callerCloseMethod) {
this.overlays[this.active].callerCloseMethod();
}
if (this.active) {
this.close(this.active);
}
}
};
exports.OverlayManager = OverlayManager;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFRenderingQueue = {});
}(this, function (exports) {
var CLEANUP_TIMEOUT = 30000;
var RenderingStates = {
INITIAL: 0,
RUNNING: 1,
PAUSED: 2,
FINISHED: 3
};
var PDFRenderingQueue = function PDFRenderingQueueClosure() {
function PDFRenderingQueue() {
this.pdfViewer = null;
this.pdfThumbnailViewer = null;
this.onIdle = null;
this.highestPriorityPage = null;
this.idleTimeout = null;
this.printing = false;
this.isThumbnailViewEnabled = false;
}
PDFRenderingQueue.prototype = {
setViewer: function PDFRenderingQueue_setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
},
setThumbnailViewer: function PDFRenderingQueue_setThumbnailViewer(pdfThumbnailViewer) {
this.pdfThumbnailViewer = pdfThumbnailViewer;
},
isHighestPriority: function PDFRenderingQueue_isHighestPriority(view) {
return this.highestPriorityPage === view.renderingId;
},
renderHighestPriority: function PDFRenderingQueue_renderHighestPriority(currentlyVisiblePages) {
if (this.idleTimeout) {
clearTimeout(this.idleTimeout);
this.idleTimeout = null;
}
if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
return;
}
if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
if (this.pdfThumbnailViewer.forceRendering()) {
return;
}
}
if (this.printing) {
return;
}
if (this.onIdle) {
this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
}
},
getHighestPriority: function PDFRenderingQueue_getHighestPriority(visible, views, scrolledDown) {
var visibleViews = visible.views;
var numVisible = visibleViews.length;
if (numVisible === 0) {
return false;
}
for (var i = 0; i < numVisible; ++i) {
var view = visibleViews[i].view;
if (!this.isViewFinished(view)) {
return view;
}
}
if (scrolledDown) {
var nextPageIndex = visible.last.id;
if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
return views[nextPageIndex];
}
} else {
var previousPageIndex = visible.first.id - 2;
if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
return views[previousPageIndex];
}
}
return null;
},
isViewFinished: function PDFRenderingQueue_isViewFinished(view) {
return view.renderingState === RenderingStates.FINISHED;
},
renderView: function PDFRenderingQueue_renderView(view) {
var state = view.renderingState;
switch (state) {
case RenderingStates.FINISHED:
return false;
case RenderingStates.PAUSED:
this.highestPriorityPage = view.renderingId;
view.resume();
break;
case RenderingStates.RUNNING:
this.highestPriorityPage = view.renderingId;
break;
case RenderingStates.INITIAL:
this.highestPriorityPage = view.renderingId;
var continueRendering = function () {
this.renderHighestPriority();
}.bind(this);
view.draw().then(continueRendering, continueRendering);
break;
}
return true;
}
};
return PDFRenderingQueue;
}();
exports.RenderingStates = RenderingStates;
exports.PDFRenderingQueue = PDFRenderingQueue;
}));
(function (root, factory) {
factory(root.pdfjsWebPreferences = {});
}(this, function (exports) {
var defaultPreferences = null;
function getDefaultPreferences() {
if (!defaultPreferences) {
defaultPreferences = Promise.resolve({
"showPreviousViewOnLoad": true,
"defaultZoomValue": "",
"sidebarViewOnLoad": 0,
"enableHandToolOnLoad": false,
"enableWebGL": false,
"pdfBugEnabled": false,
"disableRange": false,
"disableStream": false,
"disableAutoFetch": false,
"disableFontFace": false,
"disableTextLayer": false,
"useOnlyCssZoom": false,
"externalLinkTarget": 0,
"enhanceTextSelection": false,
"renderer": "canvas",
"renderInteractiveForms": false,
"disablePageLabels": false
});
}
return defaultPreferences;
}
function cloneObj(obj) {
var result = {};
for (var i in obj) {
if (Object.prototype.hasOwnProperty.call(obj, i)) {
result[i] = obj[i];
}
}
return result;
}
var Preferences = {
prefs: null,
isInitializedPromiseResolved: false,
initializedPromise: null,
initialize: function preferencesInitialize() {
return this.initializedPromise = getDefaultPreferences().then(function (defaults) {
Object.defineProperty(this, 'defaults', {
value: Object.freeze(defaults),
writable: false,
enumerable: true,
configurable: false
});
this.prefs = cloneObj(defaults);
return this._readFromStorage(defaults);
}.bind(this)).then(function (prefObj) {
this.isInitializedPromiseResolved = true;
if (prefObj) {
this.prefs = prefObj;
}
}.bind(this));
},
_writeToStorage: function preferences_writeToStorage(prefObj) {
return Promise.resolve();
},
_readFromStorage: function preferences_readFromStorage(prefObj) {
return Promise.resolve();
},
reset: function preferencesReset() {
return this.initializedPromise.then(function () {
this.prefs = cloneObj(this.defaults);
return this._writeToStorage(this.defaults);
}.bind(this));
},
reload: function preferencesReload() {
return this.initializedPromise.then(function () {
this._readFromStorage(this.defaults).then(function (prefObj) {
if (prefObj) {
this.prefs = prefObj;
}
}.bind(this));
}.bind(this));
},
set: function preferencesSet(name, value) {
return this.initializedPromise.then(function () {
if (this.defaults[name] === undefined) {
throw new Error('preferencesSet: \'' + name + '\' is undefined.');
} else if (value === undefined) {
throw new Error('preferencesSet: no value is specified.');
}
var valueType = typeof value;
var defaultType = typeof this.defaults[name];
if (valueType !== defaultType) {
if (valueType === 'number' && defaultType === 'string') {
value = value.toString();
} else {
throw new Error('Preferences_set: \'' + value + '\' is a \"' + valueType + '\", expected \"' + defaultType + '\".');
}
} else {
if (valueType === 'number' && (value | 0) !== value) {
throw new Error('Preferences_set: \'' + value + '\' must be an \"integer\".');
}
}
this.prefs[name] = value;
return this._writeToStorage(this.prefs);
}.bind(this));
},
get: function preferencesGet(name) {
return this.initializedPromise.then(function () {
var defaultValue = this.defaults[name];
if (defaultValue === undefined) {
throw new Error('preferencesGet: \'' + name + '\' is undefined.');
} else {
var prefValue = this.prefs[name];
if (prefValue !== undefined) {
return prefValue;
}
}
return defaultValue;
}.bind(this));
}
};
Preferences._writeToStorage = function (prefObj) {
return new Promise(function (resolve) {
localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj));
resolve();
});
};
Preferences._readFromStorage = function (prefObj) {
return new Promise(function (resolve) {
var readPrefs = JSON.parse(localStorage.getItem('pdfjs.preferences'));
resolve(readPrefs);
});
};
exports.Preferences = Preferences;
}));
(function (root, factory) {
factory(root.pdfjsWebViewHistory = {});
}(this, function (exports) {
var DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
var ViewHistory = function ViewHistoryClosure() {
function ViewHistory(fingerprint, cacheSize) {
this.fingerprint = fingerprint;
this.cacheSize = cacheSize || DEFAULT_VIEW_HISTORY_CACHE_SIZE;
this.isInitializedPromiseResolved = false;
this.initializedPromise = this._readFromStorage().then(function (databaseStr) {
this.isInitializedPromiseResolved = true;
var database = JSON.parse(databaseStr || '{}');
if (!('files' in database)) {
database.files = [];
}
if (database.files.length >= this.cacheSize) {
database.files.shift();
}
var index;
for (var i = 0, length = database.files.length; i < length; i++) {
var branch = database.files[i];
if (branch.fingerprint === this.fingerprint) {
index = i;
break;
}
}
if (typeof index !== 'number') {
index = database.files.push({ fingerprint: this.fingerprint }) - 1;
}
this.file = database.files[index];
this.database = database;
}.bind(this));
}
ViewHistory.prototype = {
_writeToStorage: function ViewHistory_writeToStorage() {
return new Promise(function (resolve) {
var databaseStr = JSON.stringify(this.database);
localStorage.setItem('pdfjs.history', databaseStr);
resolve();
}.bind(this));
},
_readFromStorage: function ViewHistory_readFromStorage() {
return new Promise(function (resolve) {
var value = localStorage.getItem('pdfjs.history');
if (!value) {
var databaseStr = localStorage.getItem('database');
if (databaseStr) {
try {
var database = JSON.parse(databaseStr);
if (typeof database.files[0].fingerprint === 'string') {
localStorage.setItem('pdfjs.history', databaseStr);
localStorage.removeItem('database');
value = databaseStr;
}
} catch (ex) {
}
}
}
resolve(value);
});
},
set: function ViewHistory_set(name, val) {
if (!this.isInitializedPromiseResolved) {
return;
}
this.file[name] = val;
return this._writeToStorage();
},
setMultiple: function ViewHistory_setMultiple(properties) {
if (!this.isInitializedPromiseResolved) {
return;
}
for (var name in properties) {
this.file[name] = properties[name];
}
return this._writeToStorage();
},
get: function ViewHistory_get(name, defaultValue) {
if (!this.isInitializedPromiseResolved) {
return defaultValue;
}
return this.file[name] || defaultValue;
}
};
return ViewHistory;
}();
exports.ViewHistory = ViewHistory;
}));
(function (root, factory) {
factory(root.pdfjsWebDownloadManager = {}, root.pdfjsWebPDFJS);
}(this, function (exports, pdfjsLib) {
function download(blobUrl, filename) {
var a = document.createElement('a');
if (a.click) {
a.href = blobUrl;
a.target = '_parent';
if ('download' in a) {
a.download = filename;
}
(document.body || document.documentElement).appendChild(a);
a.click();
a.parentNode.removeChild(a);
} else {
if (window.top === window && blobUrl.split('#')[0] === window.location.href.split('#')[0]) {
var padCharacter = blobUrl.indexOf('?') === -1 ? '?' : '&';
blobUrl = blobUrl.replace(/#|$/, padCharacter + '$&');
}
window.open(blobUrl, '_parent');
}
}
function DownloadManager() {
}
DownloadManager.prototype = {
downloadUrl: function DownloadManager_downloadUrl(url, filename) {
if (!pdfjsLib.createValidAbsoluteUrl(url, 'http://example.com')) {
return;
}
download(url + '#pdfjs.action=download', filename);
},
downloadData: function DownloadManager_downloadData(data, filename, contentType) {
if (navigator.msSaveBlob) {
return navigator.msSaveBlob(new Blob([data], { type: contentType }), filename);
}
var blobUrl = pdfjsLib.createObjectURL(data, contentType, pdfjsLib.PDFJS.disableCreateObjectURL);
download(blobUrl, filename);
},
download: function DownloadManager_download(blob, url, filename) {
if (!URL) {
this.downloadUrl(url, filename);
return;
}
if (navigator.msSaveBlob) {
if (!navigator.msSaveBlob(blob, filename)) {
this.downloadUrl(url, filename);
}
return;
}
var blobUrl = URL.createObjectURL(blob);
download(blobUrl, filename);
}
};
exports.DownloadManager = DownloadManager;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFAttachmentViewer = {}, root.pdfjsWebPDFJS);
}(this, function (exports, pdfjsLib) {
var PDFAttachmentViewer = function PDFAttachmentViewerClosure() {
function PDFAttachmentViewer(options) {
this.attachments = null;
this.container = options.container;
this.eventBus = options.eventBus;
this.downloadManager = options.downloadManager;
this._renderedCapability = pdfjsLib.createPromiseCapability();
this.eventBus.on('fileattachmentannotation', this._appendAttachment.bind(this));
}
PDFAttachmentViewer.prototype = {
reset: function PDFAttachmentViewer_reset(keepRenderedCapability) {
this.attachments = null;
var container = this.container;
while (container.firstChild) {
container.removeChild(container.firstChild);
}
if (!keepRenderedCapability) {
this._renderedCapability = pdfjsLib.createPromiseCapability();
}
},
_dispatchEvent: function PDFAttachmentViewer_dispatchEvent(attachmentsCount) {
this.eventBus.dispatch('attachmentsloaded', {
source: this,
attachmentsCount: attachmentsCount
});
this._renderedCapability.resolve();
},
_bindLink: function PDFAttachmentViewer_bindLink(button, content, filename) {
button.onclick = function downloadFile(e) {
this.downloadManager.downloadData(content, filename, '');
return false;
}.bind(this);
},
render: function PDFAttachmentViewer_render(params) {
params = params || {};
var attachments = params.attachments || null;
var attachmentsCount = 0;
if (this.attachments) {
var keepRenderedCapability = params.keepRenderedCapability === true;
this.reset(keepRenderedCapability);
}
this.attachments = attachments;
if (!attachments) {
this._dispatchEvent(attachmentsCount);
return;
}
var names = Object.keys(attachments).sort(function (a, b) {
return a.toLowerCase().localeCompare(b.toLowerCase());
});
attachmentsCount = names.length;
for (var i = 0; i < attachmentsCount; i++) {
var item = attachments[names[i]];
var filename = pdfjsLib.getFilenameFromUrl(item.filename);
var div = document.createElement('div');
div.className = 'attachmentsItem';
var button = document.createElement('button');
this._bindLink(button, item.content, filename);
button.textContent = pdfjsLib.removeNullCharacters(filename);
div.appendChild(button);
this.container.appendChild(div);
}
this._dispatchEvent(attachmentsCount);
},
_appendAttachment: function PDFAttachmentViewer_appendAttachment(item) {
this._renderedCapability.promise.then(function (id, filename, content) {
var attachments = this.attachments;
if (!attachments) {
attachments = Object.create(null);
} else {
for (var name in attachments) {
if (id === name) {
return;
}
}
}
attachments[id] = {
filename: filename,
content: content
};
this.render({
attachments: attachments,
keepRenderedCapability: true
});
}.bind(this, item.id, item.filename, item.content));
}
};
return PDFAttachmentViewer;
}();
exports.PDFAttachmentViewer = PDFAttachmentViewer;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFOutlineViewer = {}, root.pdfjsWebPDFJS);
}(this, function (exports, pdfjsLib) {
var PDFJS = pdfjsLib.PDFJS;
var DEFAULT_TITLE = '\u2013';
var PDFOutlineViewer = function PDFOutlineViewerClosure() {
function PDFOutlineViewer(options) {
this.outline = null;
this.lastToggleIsShow = true;
this.container = options.container;
this.linkService = options.linkService;
this.eventBus = options.eventBus;
}
PDFOutlineViewer.prototype = {
reset: function PDFOutlineViewer_reset() {
this.outline = null;
this.lastToggleIsShow = true;
var container = this.container;
while (container.firstChild) {
container.removeChild(container.firstChild);
}
},
_dispatchEvent: function PDFOutlineViewer_dispatchEvent(outlineCount) {
this.eventBus.dispatch('outlineloaded', {
source: this,
outlineCount: outlineCount
});
},
_bindLink: function PDFOutlineViewer_bindLink(element, item) {
if (item.url) {
pdfjsLib.addLinkAttributes(element, {
url: item.url,
target: item.newWindow ? PDFJS.LinkTarget.BLANK : undefined
});
return;
}
var self = this, destination = item.dest;
element.href = self.linkService.getDestinationHash(destination);
element.onclick = function () {
if (destination) {
self.linkService.navigateTo(destination);
}
return false;
};
},
_setStyles: function PDFOutlineViewer_setStyles(element, item) {
var styleStr = '';
if (item.bold) {
styleStr += 'font-weight: bold;';
}
if (item.italic) {
styleStr += 'font-style: italic;';
}
if (styleStr) {
element.setAttribute('style', styleStr);
}
},
_addToggleButton: function PDFOutlineViewer_addToggleButton(div) {
var toggler = document.createElement('div');
toggler.className = 'outlineItemToggler';
toggler.onclick = function (event) {
event.stopPropagation();
toggler.classList.toggle('outlineItemsHidden');
if (event.shiftKey) {
var shouldShowAll = !toggler.classList.contains('outlineItemsHidden');
this._toggleOutlineItem(div, shouldShowAll);
}
}.bind(this);
div.insertBefore(toggler, div.firstChild);
},
_toggleOutlineItem: function PDFOutlineViewer_toggleOutlineItem(root, show) {
this.lastToggleIsShow = show;
var togglers = root.querySelectorAll('.outlineItemToggler');
for (var i = 0, ii = togglers.length; i < ii; ++i) {
togglers[i].classList[show ? 'remove' : 'add']('outlineItemsHidden');
}
},
toggleOutlineTree: function PDFOutlineViewer_toggleOutlineTree() {
if (!this.outline) {
return;
}
this._toggleOutlineItem(this.container, !this.lastToggleIsShow);
},
render: function PDFOutlineViewer_render(params) {
var outline = params && params.outline || null;
var outlineCount = 0;
if (this.outline) {
this.reset();
}
this.outline = outline;
if (!outline) {
this._dispatchEvent(outlineCount);
return;
}
var fragment = document.createDocumentFragment();
var queue = [{
parent: fragment,
items: this.outline
}];
var hasAnyNesting = false;
while (queue.length > 0) {
var levelData = queue.shift();
for (var i = 0, len = levelData.items.length; i < len; i++) {
var item = levelData.items[i];
var div = document.createElement('div');
div.className = 'outlineItem';
var element = document.createElement('a');
this._bindLink(element, item);
this._setStyles(element, item);
element.textContent = pdfjsLib.removeNullCharacters(item.title) || DEFAULT_TITLE;
div.appendChild(element);
if (item.items.length > 0) {
hasAnyNesting = true;
this._addToggleButton(div);
var itemsDiv = document.createElement('div');
itemsDiv.className = 'outlineItems';
div.appendChild(itemsDiv);
queue.push({
parent: itemsDiv,
items: item.items
});
}
levelData.parent.appendChild(div);
outlineCount++;
}
}
if (hasAnyNesting) {
this.container.classList.add('outlineWithDeepNesting');
}
this.container.appendChild(fragment);
this._dispatchEvent(outlineCount);
}
};
return PDFOutlineViewer;
}();
exports.PDFOutlineViewer = PDFOutlineViewer;
}));
(function (root, factory) {
factory(root.pdfjsWebUIUtils = {}, root.pdfjsWebPDFJS);
}(this, function (exports, pdfjsLib) {
var CSS_UNITS = 96.0 / 72.0;
var DEFAULT_SCALE_VALUE = 'auto';
var DEFAULT_SCALE = 1.0;
var MIN_SCALE = 0.25;
var MAX_SCALE = 10.0;
var UNKNOWN_SCALE = 0;
var MAX_AUTO_SCALE = 1.25;
var SCROLLBAR_PADDING = 40;
var VERTICAL_PADDING = 5;
var RendererType = {
CANVAS: 'canvas',
SVG: 'svg'
};
var mozL10n = document.mozL10n || document.webL10n;
var PDFJS = pdfjsLib.PDFJS;
PDFJS.disableFullscreen = PDFJS.disableFullscreen === undefined ? false : PDFJS.disableFullscreen;
PDFJS.useOnlyCssZoom = PDFJS.useOnlyCssZoom === undefined ? false : PDFJS.useOnlyCssZoom;
PDFJS.maxCanvasPixels = PDFJS.maxCanvasPixels === undefined ? 16777216 : PDFJS.maxCanvasPixels;
PDFJS.disableHistory = PDFJS.disableHistory === undefined ? false : PDFJS.disableHistory;
PDFJS.disableTextLayer = PDFJS.disableTextLayer === undefined ? false : PDFJS.disableTextLayer;
PDFJS.ignoreCurrentPositionOnZoom = PDFJS.ignoreCurrentPositionOnZoom === undefined ? false : PDFJS.ignoreCurrentPositionOnZoom;
PDFJS.locale = PDFJS.locale === undefined ? navigator.language : PDFJS.locale;
function getOutputScale(ctx) {
var devicePixelRatio = window.devicePixelRatio || 1;
var backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.msBackingStorePixelRatio || ctx.oBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
var pixelRatio = devicePixelRatio / backingStoreRatio;
return {
sx: pixelRatio,
sy: pixelRatio,
scaled: pixelRatio !== 1
};
}
function scrollIntoView(element, spot, skipOverflowHiddenElements) {
var parent = element.offsetParent;
if (!parent) {
console.error('offsetParent is not set -- cannot scroll');
return;
}
var checkOverflow = skipOverflowHiddenElements || false;
var offsetY = element.offsetTop + element.clientTop;
var offsetX = element.offsetLeft + element.clientLeft;
while (parent.clientHeight === parent.scrollHeight || checkOverflow && getComputedStyle(parent).overflow === 'hidden') {
if (parent.dataset._scaleY) {
offsetY /= parent.dataset._scaleY;
offsetX /= parent.dataset._scaleX;
}
offsetY += parent.offsetTop;
offsetX += parent.offsetLeft;
parent = parent.offsetParent;
if (!parent) {
return;
}
}
if (spot) {
if (spot.top !== undefined) {
offsetY += spot.top;
}
if (spot.left !== undefined) {
offsetX += spot.left;
parent.scrollLeft = offsetX;
}
}
parent.scrollTop = offsetY;
}
function watchScroll(viewAreaElement, callback) {
var debounceScroll = function debounceScroll(evt) {
if (rAF) {
return;
}
rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
rAF = null;
var currentY = viewAreaElement.scrollTop;
var lastY = state.lastY;
if (currentY !== lastY) {
state.down = currentY > lastY;
}
state.lastY = currentY;
callback(state);
});
};
var state = {
down: true,
lastY: viewAreaElement.scrollTop,
_eventHandler: debounceScroll
};
var rAF = null;
viewAreaElement.addEventListener('scroll', debounceScroll, true);
return state;
}
function parseQueryString(query) {
var parts = query.split('&');
var params = {};
for (var i = 0, ii = parts.length; i < ii; ++i) {
var param = parts[i].split('=');
var key = param[0].toLowerCase();
var value = param.length > 1 ? param[1] : null;
params[decodeURIComponent(key)] = decodeURIComponent(value);
}
return params;
}
function binarySearchFirstItem(items, condition) {
var minIndex = 0;
var maxIndex = items.length - 1;
if (items.length === 0 || !condition(items[maxIndex])) {
return items.length;
}
if (condition(items[minIndex])) {
return minIndex;
}
while (minIndex < maxIndex) {
var currentIndex = minIndex + maxIndex >> 1;
var currentItem = items[currentIndex];
if (condition(currentItem)) {
maxIndex = currentIndex;
} else {
minIndex = currentIndex + 1;
}
}
return minIndex;
}
function approximateFraction(x) {
if (Math.floor(x) === x) {
return [
x,
1
];
}
var xinv = 1 / x;
var limit = 8;
if (xinv > limit) {
return [
1,
limit
];
} else if (Math.floor(xinv) === xinv) {
return [
1,
xinv
];
}
var x_ = x > 1 ? xinv : x;
var a = 0, b = 1, c = 1, d = 1;
while (true) {
var p = a + c, q = b + d;
if (q > limit) {
break;
}
if (x_ <= p / q) {
c = p;
d = q;
} else {
a = p;
b = q;
}
}
var result;
if (x_ - a / b < c / d - x_) {
result = x_ === x ? [
a,
b
] : [
b,
a
];
} else {
result = x_ === x ? [
c,
d
] : [
d,
c
];
}
return result;
}
function roundToDivide(x, div) {
var r = x % div;
return r === 0 ? x : Math.round(x - r + div);
}
function getVisibleElements(scrollEl, views, sortByVisibility) {
var top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight;
var left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth;
function isElementBottomBelowViewTop(view) {
var element = view.div;
var elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
return elementBottom > top;
}
var visible = [], view, element;
var currentHeight, viewHeight, hiddenHeight, percentHeight;
var currentWidth, viewWidth;
var firstVisibleElementInd = views.length === 0 ? 0 : binarySearchFirstItem(views, isElementBottomBelowViewTop);
for (var i = firstVisibleElementInd, ii = views.length; i < ii; i++) {
view = views[i];
element = view.div;
currentHeight = element.offsetTop + element.clientTop;
viewHeight = element.clientHeight;
if (currentHeight > bottom) {
break;
}
currentWidth = element.offsetLeft + element.clientLeft;
viewWidth = element.clientWidth;
if (currentWidth + viewWidth < left || currentWidth > right) {
continue;
}
hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, currentHeight + viewHeight - bottom);
percentHeight = (viewHeight - hiddenHeight) * 100 / viewHeight | 0;
visible.push({
id: view.id,
x: currentWidth,
y: currentHeight,
view: view,
percent: percentHeight
});
}
var first = visible[0];
var last = visible[visible.length - 1];
if (sortByVisibility) {
visible.sort(function (a, b) {
var pc = a.percent - b.percent;
if (Math.abs(pc) > 0.001) {
return -pc;
}
return a.id - b.id;
});
}
return {
first: first,
last: last,
views: visible
};
}
function noContextMenuHandler(e) {
e.preventDefault();
}
function getPDFFileNameFromURL(url) {
var reURI = /^(?:([^:]+:)?\/\/[^\/]+)?([^?#]*)(\?[^#]*)?(#.*)?$/;
var reFilename = /[^\/?#=]+\.pdf\b(?!.*\.pdf\b)/i;
var splitURI = reURI.exec(url);
var suggestedFilename = reFilename.exec(splitURI[1]) || reFilename.exec(splitURI[2]) || reFilename.exec(splitURI[3]);
if (suggestedFilename) {
suggestedFilename = suggestedFilename[0];
if (suggestedFilename.indexOf('%') !== -1) {
try {
suggestedFilename = reFilename.exec(decodeURIComponent(suggestedFilename))[0];
} catch (e) {
}
}
}
return suggestedFilename || 'document.pdf';
}
function normalizeWheelEventDelta(evt) {
var delta = Math.sqrt(evt.deltaX * evt.deltaX + evt.deltaY * evt.deltaY);
var angle = Math.atan2(evt.deltaY, evt.deltaX);
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
delta = -delta;
}
var MOUSE_DOM_DELTA_PIXEL_MODE = 0;
var MOUSE_DOM_DELTA_LINE_MODE = 1;
var MOUSE_PIXELS_PER_LINE = 30;
var MOUSE_LINES_PER_PAGE = 30;
if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
} else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
delta /= MOUSE_LINES_PER_PAGE;
}
return delta;
}
var animationStarted = new Promise(function (resolve) {
window.requestAnimationFrame(resolve);
});
var localized = new Promise(function (resolve, reject) {
if (!mozL10n) {
resolve();
return;
}
if (mozL10n.getReadyState() !== 'loading') {
resolve();
return;
}
window.addEventListener('localized', function localized(evt) {
resolve();
});
});
var EventBus = function EventBusClosure() {
function EventBus() {
this._listeners = Object.create(null);
}
EventBus.prototype = {
on: function EventBus_on(eventName, listener) {
var eventListeners = this._listeners[eventName];
if (!eventListeners) {
eventListeners = [];
this._listeners[eventName] = eventListeners;
}
eventListeners.push(listener);
},
off: function EventBus_on(eventName, listener) {
var eventListeners = this._listeners[eventName];
var i;
if (!eventListeners || (i = eventListeners.indexOf(listener)) < 0) {
return;
}
eventListeners.splice(i, 1);
},
dispatch: function EventBus_dispath(eventName) {
var eventListeners = this._listeners[eventName];
if (!eventListeners || eventListeners.length === 0) {
return;
}
var args = Array.prototype.slice.call(arguments, 1);
eventListeners.slice(0).forEach(function (listener) {
listener.apply(null, args);
});
}
};
return EventBus;
}();
var ProgressBar = function ProgressBarClosure() {
function clamp(v, min, max) {
return Math.min(Math.max(v, min), max);
}
function ProgressBar(id, opts) {
this.visible = true;
this.div = document.querySelector(id + ' .progress');
this.bar = this.div.parentNode;
this.height = opts.height || 100;
this.width = opts.width || 100;
this.units = opts.units || '%';
this.div.style.height = this.height + this.units;
this.percent = 0;
}
ProgressBar.prototype = {
updateBar: function ProgressBar_updateBar() {
if (this._indeterminate) {
this.div.classList.add('indeterminate');
this.div.style.width = this.width + this.units;
return;
}
this.div.classList.remove('indeterminate');
var progressSize = this.width * this._percent / 100;
this.div.style.width = progressSize + this.units;
},
get percent() {
return this._percent;
},
set percent(val) {
this._indeterminate = isNaN(val);
this._percent = clamp(val, 0, 100);
this.updateBar();
},
setWidth: function ProgressBar_setWidth(viewer) {
if (viewer) {
var container = viewer.parentNode;
var scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
if (scrollbarWidth > 0) {
this.bar.setAttribute('style', 'width: calc(100% - ' + scrollbarWidth + 'px);');
}
}
},
hide: function ProgressBar_hide() {
if (!this.visible) {
return;
}
this.visible = false;
this.bar.classList.add('hidden');
document.body.classList.remove('loadingInProgress');
},
show: function ProgressBar_show() {
if (this.visible) {
return;
}
this.visible = true;
document.body.classList.add('loadingInProgress');
this.bar.classList.remove('hidden');
}
};
return ProgressBar;
}();
exports.CSS_UNITS = CSS_UNITS;
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
exports.DEFAULT_SCALE = DEFAULT_SCALE;
exports.MIN_SCALE = MIN_SCALE;
exports.MAX_SCALE = MAX_SCALE;
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
exports.VERTICAL_PADDING = VERTICAL_PADDING;
exports.RendererType = RendererType;
exports.mozL10n = mozL10n;
exports.EventBus = EventBus;
exports.ProgressBar = ProgressBar;
exports.getPDFFileNameFromURL = getPDFFileNameFromURL;
exports.noContextMenuHandler = noContextMenuHandler;
exports.parseQueryString = parseQueryString;
exports.getVisibleElements = getVisibleElements;
exports.roundToDivide = roundToDivide;
exports.approximateFraction = approximateFraction;
exports.getOutputScale = getOutputScale;
exports.scrollIntoView = scrollIntoView;
exports.watchScroll = watchScroll;
exports.binarySearchFirstItem = binarySearchFirstItem;
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
exports.animationStarted = animationStarted;
exports.localized = localized;
}));
(function (root, factory) {
factory(root.pdfjsWebDOMEvents = {}, root.pdfjsWebUIUtils);
}(this, function (exports, uiUtils) {
var EventBus = uiUtils.EventBus;
function attachDOMEventsToEventBus(eventBus) {
eventBus.on('documentload', function () {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('documentload', true, true, {});
window.dispatchEvent(event);
});
eventBus.on('pagerendered', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('pagerendered', true, true, {
pageNumber: e.pageNumber,
cssTransform: e.cssTransform
});
e.source.div.dispatchEvent(event);
});
eventBus.on('textlayerrendered', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('textlayerrendered', true, true, { pageNumber: e.pageNumber });
e.source.textLayerDiv.dispatchEvent(event);
});
eventBus.on('pagechange', function (e) {
var event = document.createEvent('UIEvents');
event.initUIEvent('pagechange', true, true, window, 0);
event.pageNumber = e.pageNumber;
e.source.container.dispatchEvent(event);
});
eventBus.on('pagesinit', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('pagesinit', true, true, null);
e.source.container.dispatchEvent(event);
});
eventBus.on('pagesloaded', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('pagesloaded', true, true, { pagesCount: e.pagesCount });
e.source.container.dispatchEvent(event);
});
eventBus.on('scalechange', function (e) {
var event = document.createEvent('UIEvents');
event.initUIEvent('scalechange', true, true, window, 0);
event.scale = e.scale;
event.presetValue = e.presetValue;
e.source.container.dispatchEvent(event);
});
eventBus.on('updateviewarea', function (e) {
var event = document.createEvent('UIEvents');
event.initUIEvent('updateviewarea', true, true, window, 0);
event.location = e.location;
e.source.container.dispatchEvent(event);
});
eventBus.on('find', function (e) {
if (e.source === window) {
return;
}
var event = document.createEvent('CustomEvent');
event.initCustomEvent('find' + e.type, true, true, {
query: e.query,
phraseSearch: e.phraseSearch,
caseSensitive: e.caseSensitive,
highlightAll: e.highlightAll,
findPrevious: e.findPrevious
});
window.dispatchEvent(event);
});
eventBus.on('attachmentsloaded', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('attachmentsloaded', true, true, { attachmentsCount: e.attachmentsCount });
e.source.container.dispatchEvent(event);
});
eventBus.on('sidebarviewchanged', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('sidebarviewchanged', true, true, { view: e.view });
e.source.outerContainer.dispatchEvent(event);
});
eventBus.on('pagemode', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('pagemode', true, true, { mode: e.mode });
e.source.pdfViewer.container.dispatchEvent(event);
});
eventBus.on('namedaction', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('namedaction', true, true, { action: e.action });
e.source.pdfViewer.container.dispatchEvent(event);
});
eventBus.on('presentationmodechanged', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('presentationmodechanged', true, true, {
active: e.active,
switchInProgress: e.switchInProgress
});
window.dispatchEvent(event);
});
eventBus.on('outlineloaded', function (e) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent('outlineloaded', true, true, { outlineCount: e.outlineCount });
e.source.container.dispatchEvent(event);
});
}
var globalEventBus = null;
function getGlobalEventBus() {
if (globalEventBus) {
return globalEventBus;
}
globalEventBus = new EventBus();
attachDOMEventsToEventBus(globalEventBus);
return globalEventBus;
}
exports.attachDOMEventsToEventBus = attachDOMEventsToEventBus;
exports.getGlobalEventBus = getGlobalEventBus;
}));
(function (root, factory) {
factory(root.pdfjsWebHandTool = {}, root.pdfjsWebGrabToPan, root.pdfjsWebPreferences, root.pdfjsWebUIUtils);
}(this, function (exports, grabToPan, preferences, uiUtils) {
var GrabToPan = grabToPan.GrabToPan;
var Preferences = preferences.Preferences;
var localized = uiUtils.localized;
var HandTool = function HandToolClosure() {
function HandTool(options) {
this.container = options.container;
this.eventBus = options.eventBus;
this.wasActive = false;
this.handTool = new GrabToPan({
element: this.container,
onActiveChanged: function (isActive) {
this.eventBus.dispatch('handtoolchanged', { isActive: isActive });
}.bind(this)
});
this.eventBus.on('togglehandtool', this.toggle.bind(this));
Promise.all([
localized,
Preferences.get('enableHandToolOnLoad')
]).then(function resolved(values) {
if (values[1] === true) {
this.handTool.activate();
}
}.bind(this)).catch(function rejected(reason) {
});
this.eventBus.on('presentationmodechanged', function (e) {
if (e.switchInProgress) {
return;
}
if (e.active) {
this.enterPresentationMode();
} else {
this.exitPresentationMode();
}
}.bind(this));
}
HandTool.prototype = {
get isActive() {
return !!this.handTool.active;
},
toggle: function HandTool_toggle() {
this.handTool.toggle();
},
enterPresentationMode: function HandTool_enterPresentationMode() {
if (this.isActive) {
this.wasActive = true;
this.handTool.deactivate();
}
},
exitPresentationMode: function HandTool_exitPresentationMode() {
if (this.wasActive) {
this.wasActive = false;
this.handTool.activate();
}
}
};
return HandTool;
}();
exports.HandTool = HandTool;
}));
(function (root, factory) {
factory(root.pdfjsWebPasswordPrompt = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebPDFJS);
}(this, function (exports, uiUtils, overlayManager, pdfjsLib) {
var mozL10n = uiUtils.mozL10n;
var OverlayManager = overlayManager.OverlayManager;
var PasswordPrompt = function PasswordPromptClosure() {
function PasswordPrompt(options) {
this.overlayName = options.overlayName;
this.container = options.container;
this.label = options.label;
this.input = options.input;
this.submitButton = options.submitButton;
this.cancelButton = options.cancelButton;
this.updateCallback = null;
this.reason = null;
this.submitButton.addEventListener('click', this.verify.bind(this));
this.cancelButton.addEventListener('click', this.close.bind(this));
this.input.addEventListener('keydown', function (e) {
if (e.keyCode === 13) {
this.verify();
}
}.bind(this));
OverlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
}
PasswordPrompt.prototype = {
open: function PasswordPrompt_open() {
OverlayManager.open(this.overlayName).then(function () {
this.input.type = 'password';
this.input.focus();
var promptString = mozL10n.get('password_label', null, 'Enter the password to open this PDF file.');
if (this.reason === pdfjsLib.PasswordResponses.INCORRECT_PASSWORD) {
promptString = mozL10n.get('password_invalid', null, 'Invalid password. Please try again.');
}
this.label.textContent = promptString;
}.bind(this));
},
close: function PasswordPrompt_close() {
OverlayManager.close(this.overlayName).then(function () {
this.input.value = '';
this.input.type = '';
}.bind(this));
},
verify: function PasswordPrompt_verify() {
var password = this.input.value;
if (password && password.length > 0) {
this.close();
return this.updateCallback(password);
}
},
setUpdateCallback: function PasswordPrompt_setUpdateCallback(updateCallback, reason) {
this.updateCallback = updateCallback;
this.reason = reason;
}
};
return PasswordPrompt;
}();
exports.PasswordPrompt = PasswordPrompt;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFDocumentProperties = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager);
}(this, function (exports, uiUtils, overlayManager) {
var getPDFFileNameFromURL = uiUtils.getPDFFileNameFromURL;
var mozL10n = uiUtils.mozL10n;
var OverlayManager = overlayManager.OverlayManager;
var PDFDocumentProperties = function PDFDocumentPropertiesClosure() {
function PDFDocumentProperties(options) {
this.fields = options.fields;
this.overlayName = options.overlayName;
this.container = options.container;
this.rawFileSize = 0;
this.url = null;
this.pdfDocument = null;
if (options.closeButton) {
options.closeButton.addEventListener('click', this.close.bind(this));
}
this.dataAvailablePromise = new Promise(function (resolve) {
this.resolveDataAvailable = resolve;
}.bind(this));
OverlayManager.register(this.overlayName, this.container, this.close.bind(this));
}
PDFDocumentProperties.prototype = {
open: function PDFDocumentProperties_open() {
Promise.all([
OverlayManager.open(this.overlayName),
this.dataAvailablePromise
]).then(function () {
this._getProperties();
}.bind(this));
},
close: function PDFDocumentProperties_close() {
OverlayManager.close(this.overlayName);
},
setFileSize: function PDFDocumentProperties_setFileSize(fileSize) {
if (fileSize > 0) {
this.rawFileSize = fileSize;
}
},
setDocumentAndUrl: function PDFDocumentProperties_setDocumentAndUrl(pdfDocument, url) {
this.pdfDocument = pdfDocument;
this.url = url;
this.resolveDataAvailable();
},
_getProperties: function PDFDocumentProperties_getProperties() {
if (!OverlayManager.active) {
return;
}
this.pdfDocument.getDownloadInfo().then(function (data) {
if (data.length === this.rawFileSize) {
return;
}
this.setFileSize(data.length);
this._updateUI(this.fields['fileSize'], this._parseFileSize());
}.bind(this));
this.pdfDocument.getMetadata().then(function (data) {
var content = {
'fileName': getPDFFileNameFromURL(this.url),
'fileSize': this._parseFileSize(),
'title': data.info.Title,
'author': data.info.Author,
'subject': data.info.Subject,
'keywords': data.info.Keywords,
'creationDate': this._parseDate(data.info.CreationDate),
'modificationDate': this._parseDate(data.info.ModDate),
'creator': data.info.Creator,
'producer': data.info.Producer,
'version': data.info.PDFFormatVersion,
'pageCount': this.pdfDocument.numPages
};
for (var identifier in content) {
this._updateUI(this.fields[identifier], content[identifier]);
}
}.bind(this));
},
_updateUI: function PDFDocumentProperties_updateUI(field, content) {
if (field && content !== undefined && content !== '') {
field.textContent = content;
}
},
_parseFileSize: function PDFDocumentProperties_parseFileSize() {
var fileSize = this.rawFileSize, kb = fileSize / 1024;
if (!kb) {
return;
} else if (kb < 1024) {
return mozL10n.get('document_properties_kb', {
size_kb: (+kb.toPrecision(3)).toLocaleString(),
size_b: fileSize.toLocaleString()
}, '{{size_kb}} KB ({{size_b}} bytes)');
}
return mozL10n.get('document_properties_mb', {
size_mb: (+(kb / 1024).toPrecision(3)).toLocaleString(),
size_b: fileSize.toLocaleString()
}, '{{size_mb}} MB ({{size_b}} bytes)');
},
_parseDate: function PDFDocumentProperties_parseDate(inputDate) {
var dateToParse = inputDate;
if (dateToParse === undefined) {
return '';
}
if (dateToParse.substring(0, 2) === 'D:') {
dateToParse = dateToParse.substring(2);
}
var year = parseInt(dateToParse.substring(0, 4), 10);
var month = parseInt(dateToParse.substring(4, 6), 10) - 1;
var day = parseInt(dateToParse.substring(6, 8), 10);
var hours = parseInt(dateToParse.substring(8, 10), 10);
var minutes = parseInt(dateToParse.substring(10, 12), 10);
var seconds = parseInt(dateToParse.substring(12, 14), 10);
var utRel = dateToParse.substring(14, 15);
var offsetHours = parseInt(dateToParse.substring(15, 17), 10);
var offsetMinutes = parseInt(dateToParse.substring(18, 20), 10);
if (utRel === '-') {
hours += offsetHours;
minutes += offsetMinutes;
} else if (utRel === '+') {
hours -= offsetHours;
minutes -= offsetMinutes;
}
var date = new Date(Date.UTC(year, month, day, hours, minutes, seconds));
var dateString = date.toLocaleDateString();
var timeString = date.toLocaleTimeString();
return mozL10n.get('document_properties_date_string', {
date: dateString,
time: timeString
}, '{{date}}, {{time}}');
}
};
return PDFDocumentProperties;
}();
exports.PDFDocumentProperties = PDFDocumentProperties;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFFindController = {}, root.pdfjsWebUIUtils);
}(this, function (exports, uiUtils) {
var scrollIntoView = uiUtils.scrollIntoView;
var FindStates = {
FIND_FOUND: 0,
FIND_NOTFOUND: 1,
FIND_WRAPPED: 2,
FIND_PENDING: 3
};
var FIND_SCROLL_OFFSET_TOP = -50;
var FIND_SCROLL_OFFSET_LEFT = -400;
var CHARACTERS_TO_NORMALIZE = {
'\u2018': '\'',
'\u2019': '\'',
'\u201A': '\'',
'\u201B': '\'',
'\u201C': '"',
'\u201D': '"',
'\u201E': '"',
'\u201F': '"',
'\u00BC': '1/4',
'\u00BD': '1/2',
'\u00BE': '3/4'
};
var PDFFindController = function PDFFindControllerClosure() {
function PDFFindController(options) {
this.pdfViewer = options.pdfViewer || null;
this.onUpdateResultsCount = null;
this.onUpdateState = null;
this.reset();
var replace = Object.keys(CHARACTERS_TO_NORMALIZE).join('');
this.normalizationRegex = new RegExp('[' + replace + ']', 'g');
}
PDFFindController.prototype = {
reset: function PDFFindController_reset() {
this.startedTextExtraction = false;
this.extractTextPromises = [];
this.pendingFindMatches = Object.create(null);
this.active = false;
this.pageContents = [];
this.pageMatches = [];
this.pageMatchesLength = null;
this.matchCount = 0;
this.selected = {
pageIdx: -1,
matchIdx: -1
};
this.offset = {
pageIdx: null,
matchIdx: null
};
this.pagesToSearch = null;
this.resumePageIdx = null;
this.state = null;
this.dirtyMatch = false;
this.findTimeout = null;
this.firstPagePromise = new Promise(function (resolve) {
this.resolveFirstPage = resolve;
}.bind(this));
},
normalize: function PDFFindController_normalize(text) {
return text.replace(this.normalizationRegex, function (ch) {
return CHARACTERS_TO_NORMALIZE[ch];
});
},
_prepareMatches: function PDFFindController_prepareMatches(matchesWithLength, matches, matchesLength) {
function isSubTerm(matchesWithLength, currentIndex) {
var currentElem, prevElem, nextElem;
currentElem = matchesWithLength[currentIndex];
nextElem = matchesWithLength[currentIndex + 1];
if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
currentElem.skipped = true;
return true;
}
for (var i = currentIndex - 1; i >= 0; i--) {
prevElem = matchesWithLength[i];
if (prevElem.skipped) {
continue;
}
if (prevElem.match + prevElem.matchLength < currentElem.match) {
break;
}
if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
currentElem.skipped = true;
return true;
}
}
return false;
}
var i, len;
matchesWithLength.sort(function (a, b) {
return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
});
for (i = 0, len = matchesWithLength.length; i < len; i++) {
if (isSubTerm(matchesWithLength, i)) {
continue;
}
matches.push(matchesWithLength[i].match);
matchesLength.push(matchesWithLength[i].matchLength);
}
},
calcFindPhraseMatch: function PDFFindController_calcFindPhraseMatch(query, pageIndex, pageContent) {
var matches = [];
var queryLen = query.length;
var matchIdx = -queryLen;
while (true) {
matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
if (matchIdx === -1) {
break;
}
matches.push(matchIdx);
}
this.pageMatches[pageIndex] = matches;
},
calcFindWordMatch: function PDFFindController_calcFindWordMatch(query, pageIndex, pageContent) {
var matchesWithLength = [];
var queryArray = query.match(/\S+/g);
var subquery, subqueryLen, matchIdx;
for (var i = 0, len = queryArray.length; i < len; i++) {
subquery = queryArray[i];
subqueryLen = subquery.length;
matchIdx = -subqueryLen;
while (true) {
matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
if (matchIdx === -1) {
break;
}
matchesWithLength.push({
match: matchIdx,
matchLength: subqueryLen,
skipped: false
});
}
}
if (!this.pageMatchesLength) {
this.pageMatchesLength = [];
}
this.pageMatchesLength[pageIndex] = [];
this.pageMatches[pageIndex] = [];
this._prepareMatches(matchesWithLength, this.pageMatches[pageIndex], this.pageMatchesLength[pageIndex]);
},
calcFindMatch: function PDFFindController_calcFindMatch(pageIndex) {
var pageContent = this.normalize(this.pageContents[pageIndex]);
var query = this.normalize(this.state.query);
var caseSensitive = this.state.caseSensitive;
var phraseSearch = this.state.phraseSearch;
var queryLen = query.length;
if (queryLen === 0) {
return;
}
if (!caseSensitive) {
pageContent = pageContent.toLowerCase();
query = query.toLowerCase();
}
if (phraseSearch) {
this.calcFindPhraseMatch(query, pageIndex, pageContent);
} else {
this.calcFindWordMatch(query, pageIndex, pageContent);
}
this.updatePage(pageIndex);
if (this.resumePageIdx === pageIndex) {
this.resumePageIdx = null;
this.nextPageMatch();
}
if (this.pageMatches[pageIndex].length > 0) {
this.matchCount += this.pageMatches[pageIndex].length;
this.updateUIResultsCount();
}
},
extractText: function PDFFindController_extractText() {
if (this.startedTextExtraction) {
return;
}
this.startedTextExtraction = true;
this.pageContents = [];
var extractTextPromisesResolves = [];
var numPages = this.pdfViewer.pagesCount;
for (var i = 0; i < numPages; i++) {
this.extractTextPromises.push(new Promise(function (resolve) {
extractTextPromisesResolves.push(resolve);
}));
}
var self = this;
function extractPageText(pageIndex) {
self.pdfViewer.getPageTextContent(pageIndex).then(function textContentResolved(textContent) {
var textItems = textContent.items;
var str = [];
for (var i = 0, len = textItems.length; i < len; i++) {
str.push(textItems[i].str);
}
self.pageContents.push(str.join(''));
extractTextPromisesResolves[pageIndex](pageIndex);
if (pageIndex + 1 < self.pdfViewer.pagesCount) {
extractPageText(pageIndex + 1);
}
});
}
extractPageText(0);
},
executeCommand: function PDFFindController_executeCommand(cmd, state) {
if (this.state === null || cmd !== 'findagain') {
this.dirtyMatch = true;
}
this.state = state;
this.updateUIState(FindStates.FIND_PENDING);
this.firstPagePromise.then(function () {
this.extractText();
clearTimeout(this.findTimeout);
if (cmd === 'find') {
this.findTimeout = setTimeout(this.nextMatch.bind(this), 250);
} else {
this.nextMatch();
}
}.bind(this));
},
updatePage: function PDFFindController_updatePage(index) {
if (this.selected.pageIdx === index) {
this.pdfViewer.currentPageNumber = index + 1;
}
var page = this.pdfViewer.getPageView(index);
if (page.textLayer) {
page.textLayer.updateMatches();
}
},
nextMatch: function PDFFindController_nextMatch() {
var previous = this.state.findPrevious;
var currentPageIndex = this.pdfViewer.currentPageNumber - 1;
var numPages = this.pdfViewer.pagesCount;
this.active = true;
if (this.dirtyMatch) {
this.dirtyMatch = false;
this.selected.pageIdx = this.selected.matchIdx = -1;
this.offset.pageIdx = currentPageIndex;
this.offset.matchIdx = null;
this.hadMatch = false;
this.resumePageIdx = null;
this.pageMatches = [];
this.matchCount = 0;
this.pageMatchesLength = null;
var self = this;
for (var i = 0; i < numPages; i++) {
this.updatePage(i);
if (!(i in this.pendingFindMatches)) {
this.pendingFindMatches[i] = true;
this.extractTextPromises[i].then(function (pageIdx) {
delete self.pendingFindMatches[pageIdx];
self.calcFindMatch(pageIdx);
});
}
}
}
if (this.state.query === '') {
this.updateUIState(FindStates.FIND_FOUND);
return;
}
if (this.resumePageIdx) {
return;
}
var offset = this.offset;
this.pagesToSearch = numPages;
if (offset.matchIdx !== null) {
var numPageMatches = this.pageMatches[offset.pageIdx].length;
if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
this.hadMatch = true;
offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
this.updateMatch(true);
return;
}
this.advanceOffsetPage(previous);
}
this.nextPageMatch();
},
matchesReady: function PDFFindController_matchesReady(matches) {
var offset = this.offset;
var numMatches = matches.length;
var previous = this.state.findPrevious;
if (numMatches) {
this.hadMatch = true;
offset.matchIdx = previous ? numMatches - 1 : 0;
this.updateMatch(true);
return true;
}
this.advanceOffsetPage(previous);
if (offset.wrapped) {
offset.matchIdx = null;
if (this.pagesToSearch < 0) {
this.updateMatch(false);
return true;
}
}
return false;
},
updateMatchPosition: function PDFFindController_updateMatchPosition(pageIndex, index, elements, beginIdx) {
if (this.selected.matchIdx === index && this.selected.pageIdx === pageIndex) {
var spot = {
top: FIND_SCROLL_OFFSET_TOP,
left: FIND_SCROLL_OFFSET_LEFT
};
scrollIntoView(elements[beginIdx], spot, true);
}
},
nextPageMatch: function PDFFindController_nextPageMatch() {
if (this.resumePageIdx !== null) {
console.error('There can only be one pending page.');
}
do {
var pageIdx = this.offset.pageIdx;
var matches = this.pageMatches[pageIdx];
if (!matches) {
this.resumePageIdx = pageIdx;
break;
}
} while (!this.matchesReady(matches));
},
advanceOffsetPage: function PDFFindController_advanceOffsetPage(previous) {
var offset = this.offset;
var numPages = this.extractTextPromises.length;
offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
offset.matchIdx = null;
this.pagesToSearch--;
if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
offset.pageIdx = previous ? numPages - 1 : 0;
offset.wrapped = true;
}
},
updateMatch: function PDFFindController_updateMatch(found) {
var state = FindStates.FIND_NOTFOUND;
var wrapped = this.offset.wrapped;
this.offset.wrapped = false;
if (found) {
var previousPage = this.selected.pageIdx;
this.selected.pageIdx = this.offset.pageIdx;
this.selected.matchIdx = this.offset.matchIdx;
state = wrapped ? FindStates.FIND_WRAPPED : FindStates.FIND_FOUND;
if (previousPage !== -1 && previousPage !== this.selected.pageIdx) {
this.updatePage(previousPage);
}
}
this.updateUIState(state, this.state.findPrevious);
if (this.selected.pageIdx !== -1) {
this.updatePage(this.selected.pageIdx);
}
},
updateUIResultsCount: function PDFFindController_updateUIResultsCount() {
if (this.onUpdateResultsCount) {
this.onUpdateResultsCount(this.matchCount);
}
},
updateUIState: function PDFFindController_updateUIState(state, previous) {
if (this.onUpdateState) {
this.onUpdateState(state, previous, this.matchCount);
}
}
};
return PDFFindController;
}();
exports.FindStates = FindStates;
exports.PDFFindController = PDFFindController;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFPresentationMode = {}, root.pdfjsWebUIUtils);
}(this, function (exports, uiUtils) {
var normalizeWheelEventDelta = uiUtils.normalizeWheelEventDelta;
var DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
var DELAY_BEFORE_HIDING_CONTROLS = 3000;
var ACTIVE_SELECTOR = 'pdfPresentationMode';
var CONTROLS_SELECTOR = 'pdfPresentationModeControls';
var PDFPresentationMode = function PDFPresentationModeClosure() {
function PDFPresentationMode(options) {
this.container = options.container;
this.viewer = options.viewer || options.container.firstElementChild;
this.pdfViewer = options.pdfViewer;
this.eventBus = options.eventBus;
var contextMenuItems = options.contextMenuItems || null;
this.active = false;
this.args = null;
this.contextMenuOpen = false;
this.mouseScrollTimeStamp = 0;
this.mouseScrollDelta = 0;
this.touchSwipeState = null;
if (contextMenuItems) {
contextMenuItems.contextFirstPage.addEventListener('click', function PDFPresentationMode_contextFirstPageClick(e) {
this.contextMenuOpen = false;
this.eventBus.dispatch('firstpage');
}.bind(this));
contextMenuItems.contextLastPage.addEventListener('click', function PDFPresentationMode_contextLastPageClick(e) {
this.contextMenuOpen = false;
this.eventBus.dispatch('lastpage');
}.bind(this));
contextMenuItems.contextPageRotateCw.addEventListener('click', function PDFPresentationMode_contextPageRotateCwClick(e) {
this.contextMenuOpen = false;
this.eventBus.dispatch('rotatecw');
}.bind(this));
contextMenuItems.contextPageRotateCcw.addEventListener('click', function PDFPresentationMode_contextPageRotateCcwClick(e) {
this.contextMenuOpen = false;
this.eventBus.dispatch('rotateccw');
}.bind(this));
}
}
PDFPresentationMode.prototype = {
request: function PDFPresentationMode_request() {
if (this.switchInProgress || this.active || !this.viewer.hasChildNodes()) {
return false;
}
this._addFullscreenChangeListeners();
this._setSwitchInProgress();
this._notifyStateChange();
if (this.container.requestFullscreen) {
this.container.requestFullscreen();
} else if (this.container.mozRequestFullScreen) {
this.container.mozRequestFullScreen();
} else if (this.container.webkitRequestFullscreen) {
this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
} else if (this.container.msRequestFullscreen) {
this.container.msRequestFullscreen();
} else {
return false;
}
this.args = {
page: this.pdfViewer.currentPageNumber,
previousScale: this.pdfViewer.currentScaleValue
};
return true;
},
_mouseWheel: function PDFPresentationMode_mouseWheel(evt) {
if (!this.active) {
return;
}
evt.preventDefault();
var delta = normalizeWheelEventDelta(evt);
var MOUSE_SCROLL_COOLDOWN_TIME = 50;
var PAGE_SWITCH_THRESHOLD = 0.1;
var currentTime = new Date().getTime();
var storedTime = this.mouseScrollTimeStamp;
if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
return;
}
if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
this._resetMouseScrollState();
}
this.mouseScrollDelta += delta;
if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
var totalDelta = this.mouseScrollDelta;
this._resetMouseScrollState();
var success = totalDelta > 0 ? this._goToPreviousPage() : this._goToNextPage();
if (success) {
this.mouseScrollTimeStamp = currentTime;
}
}
},
get isFullscreen() {
return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen || document.msFullscreenElement);
},
_goToPreviousPage: function PDFPresentationMode_goToPreviousPage() {
var page = this.pdfViewer.currentPageNumber;
if (page <= 1) {
return false;
}
this.pdfViewer.currentPageNumber = page - 1;
return true;
},
_goToNextPage: function PDFPresentationMode_goToNextPage() {
var page = this.pdfViewer.currentPageNumber;
if (page >= this.pdfViewer.pagesCount) {
return false;
}
this.pdfViewer.currentPageNumber = page + 1;
return true;
},
_notifyStateChange: function PDFPresentationMode_notifyStateChange() {
this.eventBus.dispatch('presentationmodechanged', {
source: this,
active: this.active,
switchInProgress: !!this.switchInProgress
});
},
_setSwitchInProgress: function PDFPresentationMode_setSwitchInProgress() {
if (this.switchInProgress) {
clearTimeout(this.switchInProgress);
}
this.switchInProgress = setTimeout(function switchInProgressTimeout() {
this._removeFullscreenChangeListeners();
delete this.switchInProgress;
this._notifyStateChange();
}.bind(this), DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
},
_resetSwitchInProgress: function PDFPresentationMode_resetSwitchInProgress() {
if (this.switchInProgress) {
clearTimeout(this.switchInProgress);
delete this.switchInProgress;
}
},
_enter: function PDFPresentationMode_enter() {
this.active = true;
this._resetSwitchInProgress();
this._notifyStateChange();
this.container.classList.add(ACTIVE_SELECTOR);
setTimeout(function enterPresentationModeTimeout() {
this.pdfViewer.currentPageNumber = this.args.page;
this.pdfViewer.currentScaleValue = 'page-fit';
}.bind(this), 0);
this._addWindowListeners();
this._showControls();
this.contextMenuOpen = false;
this.container.setAttribute('contextmenu', 'viewerContextMenu');
window.getSelection().removeAllRanges();
},
_exit: function PDFPresentationMode_exit() {
var page = this.pdfViewer.currentPageNumber;
this.container.classList.remove(ACTIVE_SELECTOR);
setTimeout(function exitPresentationModeTimeout() {
this.active = false;
this._removeFullscreenChangeListeners();
this._notifyStateChange();
this.pdfViewer.currentScaleValue = this.args.previousScale;
this.pdfViewer.currentPageNumber = page;
this.args = null;
}.bind(this), 0);
this._removeWindowListeners();
this._hideControls();
this._resetMouseScrollState();
this.container.removeAttribute('contextmenu');
this.contextMenuOpen = false;
},
_mouseDown: function PDFPresentationMode_mouseDown(evt) {
if (this.contextMenuOpen) {
this.contextMenuOpen = false;
evt.preventDefault();
return;
}
if (evt.button === 0) {
var isInternalLink = evt.target.href && evt.target.classList.contains('internalLink');
if (!isInternalLink) {
evt.preventDefault();
this.pdfViewer.currentPageNumber += evt.shiftKey ? -1 : 1;
}
}
},
_contextMenu: function PDFPresentationMode_contextMenu() {
this.contextMenuOpen = true;
},
_showControls: function PDFPresentationMode_showControls() {
if (this.controlsTimeout) {
clearTimeout(this.controlsTimeout);
} else {
this.container.classList.add(CONTROLS_SELECTOR);
}
this.controlsTimeout = setTimeout(function showControlsTimeout() {
this.container.classList.remove(CONTROLS_SELECTOR);
delete this.controlsTimeout;
}.bind(this), DELAY_BEFORE_HIDING_CONTROLS);
},
_hideControls: function PDFPresentationMode_hideControls() {
if (!this.controlsTimeout) {
return;
}
clearTimeout(this.controlsTimeout);
this.container.classList.remove(CONTROLS_SELECTOR);
delete this.controlsTimeout;
},
_resetMouseScrollState: function PDFPresentationMode_resetMouseScrollState() {
this.mouseScrollTimeStamp = 0;
this.mouseScrollDelta = 0;
},
_touchSwipe: function PDFPresentationMode_touchSwipe(evt) {
if (!this.active) {
return;
}
var SWIPE_MIN_DISTANCE_THRESHOLD = 50;
var SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
if (evt.touches.length > 1) {
this.touchSwipeState = null;
return;
}
switch (evt.type) {
case 'touchstart':
this.touchSwipeState = {
startX: evt.touches[0].pageX,
startY: evt.touches[0].pageY,
endX: evt.touches[0].pageX,
endY: evt.touches[0].pageY
};
break;
case 'touchmove':
if (this.touchSwipeState === null) {
return;
}
this.touchSwipeState.endX = evt.touches[0].pageX;
this.touchSwipeState.endY = evt.touches[0].pageY;
evt.preventDefault();
break;
case 'touchend':
if (this.touchSwipeState === null) {
return;
}
var delta = 0;
var dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
var dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
var absAngle = Math.abs(Math.atan2(dy, dx));
if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
delta = dx;
} else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
delta = dy;
}
if (delta > 0) {
this._goToPreviousPage();
} else if (delta < 0) {
this._goToNextPage();
}
break;
}
},
_addWindowListeners: function PDFPresentationMode_addWindowListeners() {
this.showControlsBind = this._showControls.bind(this);
this.mouseDownBind = this._mouseDown.bind(this);
this.mouseWheelBind = this._mouseWheel.bind(this);
this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
this.contextMenuBind = this._contextMenu.bind(this);
this.touchSwipeBind = this._touchSwipe.bind(this);
window.addEventListener('mousemove', this.showControlsBind);
window.addEventListener('mousedown', this.mouseDownBind);
window.addEventListener('wheel', this.mouseWheelBind);
window.addEventListener('keydown', this.resetMouseScrollStateBind);
window.addEventListener('contextmenu', this.contextMenuBind);
window.addEventListener('touchstart', this.touchSwipeBind);
window.addEventListener('touchmove', this.touchSwipeBind);
window.addEventListener('touchend', this.touchSwipeBind);
},
_removeWindowListeners: function PDFPresentationMode_removeWindowListeners() {
window.removeEventListener('mousemove', this.showControlsBind);
window.removeEventListener('mousedown', this.mouseDownBind);
window.removeEventListener('wheel', this.mouseWheelBind);
window.removeEventListener('keydown', this.resetMouseScrollStateBind);
window.removeEventListener('contextmenu', this.contextMenuBind);
window.removeEventListener('touchstart', this.touchSwipeBind);
window.removeEventListener('touchmove', this.touchSwipeBind);
window.removeEventListener('touchend', this.touchSwipeBind);
delete this.showControlsBind;
delete this.mouseDownBind;
delete this.mouseWheelBind;
delete this.resetMouseScrollStateBind;
delete this.contextMenuBind;
delete this.touchSwipeBind;
},
_fullscreenChange: function PDFPresentationMode_fullscreenChange() {
if (this.isFullscreen) {
this._enter();
} else {
this._exit();
}
},
_addFullscreenChangeListeners: function PDFPresentationMode_addFullscreenChangeListeners() {
this.fullscreenChangeBind = this._fullscreenChange.bind(this);
window.addEventListener('fullscreenchange', this.fullscreenChangeBind);
window.addEventListener('mozfullscreenchange', this.fullscreenChangeBind);
window.addEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
window.addEventListener('MSFullscreenChange', this.fullscreenChangeBind);
},
_removeFullscreenChangeListeners: function PDFPresentationMode_removeFullscreenChangeListeners() {
window.removeEventListener('fullscreenchange', this.fullscreenChangeBind);
window.removeEventListener('mozfullscreenchange', this.fullscreenChangeBind);
window.removeEventListener('webkitfullscreenchange', this.fullscreenChangeBind);
window.removeEventListener('MSFullscreenChange', this.fullscreenChangeBind);
delete this.fullscreenChangeBind;
}
};
return PDFPresentationMode;
}();
exports.PDFPresentationMode = PDFPresentationMode;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFSidebar = {}, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebUIUtils);
}(this, function (exports, pdfRenderingQueue, uiUtils) {
var RenderingStates = pdfRenderingQueue.RenderingStates;
var mozL10n = uiUtils.mozL10n;
var UI_NOTIFICATION_CLASS = 'pdfSidebarNotification';
var SidebarView = {
NONE: 0,
THUMBS: 1,
OUTLINE: 2,
ATTACHMENTS: 3
};
var PDFSidebar = function PDFSidebarClosure() {
function PDFSidebar(options) {
this.isOpen = false;
this.active = SidebarView.THUMBS;
this.isInitialViewSet = false;
this.onToggled = null;
this.pdfViewer = options.pdfViewer;
this.pdfThumbnailViewer = options.pdfThumbnailViewer;
this.pdfOutlineViewer = options.pdfOutlineViewer;
this.mainContainer = options.mainContainer;
this.outerContainer = options.outerContainer;
this.eventBus = options.eventBus;
this.toggleButton = options.toggleButton;
this.thumbnailButton = options.thumbnailButton;
this.outlineButton = options.outlineButton;
this.attachmentsButton = options.attachmentsButton;
this.thumbnailView = options.thumbnailView;
this.outlineView = options.outlineView;
this.attachmentsView = options.attachmentsView;
this.disableNotification = options.disableNotification || false;
this._addEventListeners();
}
PDFSidebar.prototype = {
reset: function PDFSidebar_reset() {
this.isInitialViewSet = false;
this._hideUINotification(null);
this.switchView(SidebarView.THUMBS);
this.outlineButton.disabled = false;
this.attachmentsButton.disabled = false;
},
get visibleView() {
return this.isOpen ? this.active : SidebarView.NONE;
},
get isThumbnailViewVisible() {
return this.isOpen && this.active === SidebarView.THUMBS;
},
get isOutlineViewVisible() {
return this.isOpen && this.active === SidebarView.OUTLINE;
},
get isAttachmentsViewVisible() {
return this.isOpen && this.active === SidebarView.ATTACHMENTS;
},
setInitialView: function PDFSidebar_setInitialView(view) {
if (this.isInitialViewSet) {
return;
}
this.isInitialViewSet = true;
if (this.isOpen && view === SidebarView.NONE) {
this._dispatchEvent();
return;
}
var isViewPreserved = view === this.visibleView;
this.switchView(view, true);
if (isViewPreserved) {
this._dispatchEvent();
}
},
switchView: function PDFSidebar_switchView(view, forceOpen) {
if (view === SidebarView.NONE) {
this.close();
return;
}
var isViewChanged = view !== this.active;
var shouldForceRendering = false;
switch (view) {
case SidebarView.THUMBS:
this.thumbnailButton.classList.add('toggled');
this.outlineButton.classList.remove('toggled');
this.attachmentsButton.classList.remove('toggled');
this.thumbnailView.classList.remove('hidden');
this.outlineView.classList.add('hidden');
this.attachmentsView.classList.add('hidden');
if (this.isOpen && isViewChanged) {
this._updateThumbnailViewer();
shouldForceRendering = true;
}
break;
case SidebarView.OUTLINE:
if (this.outlineButton.disabled) {
return;
}
this.thumbnailButton.classList.remove('toggled');
this.outlineButton.classList.add('toggled');
this.attachmentsButton.classList.remove('toggled');
this.thumbnailView.classList.add('hidden');
this.outlineView.classList.remove('hidden');
this.attachmentsView.classList.add('hidden');
break;
case SidebarView.ATTACHMENTS:
if (this.attachmentsButton.disabled) {
return;
}
this.thumbnailButton.classList.remove('toggled');
this.outlineButton.classList.remove('toggled');
this.attachmentsButton.classList.add('toggled');
this.thumbnailView.classList.add('hidden');
this.outlineView.classList.add('hidden');
this.attachmentsView.classList.remove('hidden');
break;
default:
console.error('PDFSidebar_switchView: "' + view + '" is an unsupported value.');
return;
}
this.active = view | 0;
if (forceOpen && !this.isOpen) {
this.open();
return;
}
if (shouldForceRendering) {
this._forceRendering();
}
if (isViewChanged) {
this._dispatchEvent();
}
this._hideUINotification(this.active);
},
open: function PDFSidebar_open() {
if (this.isOpen) {
return;
}
this.isOpen = true;
this.toggleButton.classList.add('toggled');
this.outerContainer.classList.add('sidebarMoving');
this.outerContainer.classList.add('sidebarOpen');
if (this.active === SidebarView.THUMBS) {
this._updateThumbnailViewer();
}
this._forceRendering();
this._dispatchEvent();
this._hideUINotification(this.active);
},
close: function PDFSidebar_close() {
if (!this.isOpen) {
return;
}
this.isOpen = false;
this.toggleButton.classList.remove('toggled');
this.outerContainer.classList.add('sidebarMoving');
this.outerContainer.classList.remove('sidebarOpen');
this._forceRendering();
this._dispatchEvent();
},
toggle: function PDFSidebar_toggle() {
if (this.isOpen) {
this.close();
} else {
this.open();
}
},
_dispatchEvent: function PDFSidebar_dispatchEvent() {
this.eventBus.dispatch('sidebarviewchanged', {
source: this,
view: this.visibleView
});
},
_forceRendering: function PDFSidebar_forceRendering() {
if (this.onToggled) {
this.onToggled();
} else {
this.pdfViewer.forceRendering();
this.pdfThumbnailViewer.forceRendering();
}
},
_updateThumbnailViewer: function PDFSidebar_updateThumbnailViewer() {
var pdfViewer = this.pdfViewer;
var thumbnailViewer = this.pdfThumbnailViewer;
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(pdfViewer.currentPageNumber);
},
_showUINotification: function (view) {
if (this.disableNotification) {
return;
}
this.toggleButton.title = mozL10n.get('toggle_sidebar_notification.title', null, 'Toggle Sidebar (document contains outline/attachments)');
if (!this.isOpen) {
this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
} else if (view === this.active) {
return;
}
switch (view) {
case SidebarView.OUTLINE:
this.outlineButton.classList.add(UI_NOTIFICATION_CLASS);
break;
case SidebarView.ATTACHMENTS:
this.attachmentsButton.classList.add(UI_NOTIFICATION_CLASS);
break;
}
},
_hideUINotification: function (view) {
if (this.disableNotification) {
return;
}
var removeNotification = function (view) {
switch (view) {
case SidebarView.OUTLINE:
this.outlineButton.classList.remove(UI_NOTIFICATION_CLASS);
break;
case SidebarView.ATTACHMENTS:
this.attachmentsButton.classList.remove(UI_NOTIFICATION_CLASS);
break;
}
}.bind(this);
if (!this.isOpen && view !== null) {
return;
}
this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
if (view !== null) {
removeNotification(view);
return;
}
for (view in SidebarView) {
removeNotification(SidebarView[view]);
}
this.toggleButton.title = mozL10n.get('toggle_sidebar.title', null, 'Toggle Sidebar');
},
_addEventListeners: function PDFSidebar_addEventListeners() {
var self = this;
self.mainContainer.addEventListener('transitionend', function (evt) {
if (evt.target === this) {
self.outerContainer.classList.remove('sidebarMoving');
}
});
self.thumbnailButton.addEventListener('click', function () {
self.switchView(SidebarView.THUMBS);
});
self.outlineButton.addEventListener('click', function () {
self.switchView(SidebarView.OUTLINE);
});
self.outlineButton.addEventListener('dblclick', function () {
self.pdfOutlineViewer.toggleOutlineTree();
});
self.attachmentsButton.addEventListener('click', function () {
self.switchView(SidebarView.ATTACHMENTS);
});
self.eventBus.on('outlineloaded', function (e) {
var outlineCount = e.outlineCount;
self.outlineButton.disabled = !outlineCount;
if (outlineCount) {
self._showUINotification(SidebarView.OUTLINE);
} else if (self.active === SidebarView.OUTLINE) {
self.switchView(SidebarView.THUMBS);
}
});
self.eventBus.on('attachmentsloaded', function (e) {
var attachmentsCount = e.attachmentsCount;
self.attachmentsButton.disabled = !attachmentsCount;
if (attachmentsCount) {
self._showUINotification(SidebarView.ATTACHMENTS);
} else if (self.active === SidebarView.ATTACHMENTS) {
self.switchView(SidebarView.THUMBS);
}
});
self.eventBus.on('presentationmodechanged', function (e) {
if (!e.active && !e.switchInProgress && self.isThumbnailViewVisible) {
self._updateThumbnailViewer();
}
});
}
};
return PDFSidebar;
}();
exports.SidebarView = SidebarView;
exports.PDFSidebar = PDFSidebar;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFThumbnailView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue);
}(this, function (exports, uiUtils, pdfRenderingQueue) {
var mozL10n = uiUtils.mozL10n;
var getOutputScale = uiUtils.getOutputScale;
var RenderingStates = pdfRenderingQueue.RenderingStates;
var THUMBNAIL_WIDTH = 98;
var THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
var PDFThumbnailView = function PDFThumbnailViewClosure() {
function getTempCanvas(width, height) {
var tempCanvas = PDFThumbnailView.tempImageCache;
if (!tempCanvas) {
tempCanvas = document.createElement('canvas');
PDFThumbnailView.tempImageCache = tempCanvas;
}
tempCanvas.width = width;
tempCanvas.height = height;
tempCanvas.mozOpaque = true;
var ctx = tempCanvas.getContext('2d', { alpha: false });
ctx.save();
ctx.fillStyle = 'rgb(255, 255, 255)';
ctx.fillRect(0, 0, width, height);
ctx.restore();
return tempCanvas;
}
function PDFThumbnailView(options) {
var container = options.container;
var id = options.id;
var defaultViewport = options.defaultViewport;
var linkService = options.linkService;
var renderingQueue = options.renderingQueue;
var disableCanvasToImageConversion = options.disableCanvasToImageConversion || false;
this.id = id;
this.renderingId = 'thumbnail' + id;
this.pageLabel = null;
this.pdfPage = null;
this.rotation = 0;
this.viewport = defaultViewport;
this.pdfPageRotate = defaultViewport.rotation;
this.linkService = linkService;
this.renderingQueue = renderingQueue;
this.renderTask = null;
this.renderingState = RenderingStates.INITIAL;
this.resume = null;
this.disableCanvasToImageConversion = disableCanvasToImageConversion;
this.pageWidth = this.viewport.width;
this.pageHeight = this.viewport.height;
this.pageRatio = this.pageWidth / this.pageHeight;
this.canvasWidth = THUMBNAIL_WIDTH;
this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
this.scale = this.canvasWidth / this.pageWidth;
var anchor = document.createElement('a');
anchor.href = linkService.getAnchorUrl('#page=' + id);
anchor.title = mozL10n.get('thumb_page_title', { page: id }, 'Page {{page}}');
anchor.onclick = function stopNavigation() {
linkService.page = id;
return false;
};
this.anchor = anchor;
var div = document.createElement('div');
div.className = 'thumbnail';
div.setAttribute('data-page-number', this.id);
this.div = div;
if (id === 1) {
div.classList.add('selected');
}
var ring = document.createElement('div');
ring.className = 'thumbnailSelectionRing';
var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
ring.style.width = this.canvasWidth + borderAdjustment + 'px';
ring.style.height = this.canvasHeight + borderAdjustment + 'px';
this.ring = ring;
div.appendChild(ring);
anchor.appendChild(div);
container.appendChild(anchor);
}
PDFThumbnailView.prototype = {
setPdfPage: function PDFThumbnailView_setPdfPage(pdfPage) {
this.pdfPage = pdfPage;
this.pdfPageRotate = pdfPage.rotate;
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = pdfPage.getViewport(1, totalRotation);
this.reset();
},
reset: function PDFThumbnailView_reset() {
this.cancelRendering();
this.pageWidth = this.viewport.width;
this.pageHeight = this.viewport.height;
this.pageRatio = this.pageWidth / this.pageHeight;
this.canvasHeight = this.canvasWidth / this.pageRatio | 0;
this.scale = this.canvasWidth / this.pageWidth;
this.div.removeAttribute('data-loaded');
var ring = this.ring;
var childNodes = ring.childNodes;
for (var i = childNodes.length - 1; i >= 0; i--) {
ring.removeChild(childNodes[i]);
}
var borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
ring.style.width = this.canvasWidth + borderAdjustment + 'px';
ring.style.height = this.canvasHeight + borderAdjustment + 'px';
if (this.canvas) {
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
}
if (this.image) {
this.image.removeAttribute('src');
delete this.image;
}
},
update: function PDFThumbnailView_update(rotation) {
if (typeof rotation !== 'undefined') {
this.rotation = rotation;
}
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = this.viewport.clone({
scale: 1,
rotation: totalRotation
});
this.reset();
},
cancelRendering: function PDFThumbnailView_cancelRendering() {
if (this.renderTask) {
this.renderTask.cancel();
this.renderTask = null;
}
this.renderingState = RenderingStates.INITIAL;
this.resume = null;
},
_getPageDrawContext: function PDFThumbnailView_getPageDrawContext(noCtxScale) {
var canvas = document.createElement('canvas');
this.canvas = canvas;
canvas.mozOpaque = true;
var ctx = canvas.getContext('2d', { alpha: false });
var outputScale = getOutputScale(ctx);
canvas.width = this.canvasWidth * outputScale.sx | 0;
canvas.height = this.canvasHeight * outputScale.sy | 0;
canvas.style.width = this.canvasWidth + 'px';
canvas.style.height = this.canvasHeight + 'px';
if (!noCtxScale && outputScale.scaled) {
ctx.scale(outputScale.sx, outputScale.sy);
}
return ctx;
},
_convertCanvasToImage: function PDFThumbnailView_convertCanvasToImage() {
if (!this.canvas) {
return;
}
if (this.renderingState !== RenderingStates.FINISHED) {
return;
}
var id = this.renderingId;
var className = 'thumbnailImage';
var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
if (this.disableCanvasToImageConversion) {
this.canvas.id = id;
this.canvas.className = className;
this.canvas.setAttribute('aria-label', ariaLabel);
this.div.setAttribute('data-loaded', true);
this.ring.appendChild(this.canvas);
return;
}
var image = document.createElement('img');
image.id = id;
image.className = className;
image.setAttribute('aria-label', ariaLabel);
image.style.width = this.canvasWidth + 'px';
image.style.height = this.canvasHeight + 'px';
image.src = this.canvas.toDataURL();
this.image = image;
this.div.setAttribute('data-loaded', true);
this.ring.appendChild(image);
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
},
draw: function PDFThumbnailView_draw() {
if (this.renderingState !== RenderingStates.INITIAL) {
console.error('Must be in new state before drawing');
return Promise.resolve(undefined);
}
this.renderingState = RenderingStates.RUNNING;
var resolveRenderPromise, rejectRenderPromise;
var promise = new Promise(function (resolve, reject) {
resolveRenderPromise = resolve;
rejectRenderPromise = reject;
});
var self = this;
function thumbnailDrawCallback(error) {
if (renderTask === self.renderTask) {
self.renderTask = null;
}
if (error === 'cancelled') {
rejectRenderPromise(error);
return;
}
self.renderingState = RenderingStates.FINISHED;
self._convertCanvasToImage();
if (!error) {
resolveRenderPromise(undefined);
} else {
rejectRenderPromise(error);
}
}
var ctx = this._getPageDrawContext();
var drawViewport = this.viewport.clone({ scale: this.scale });
var renderContinueCallback = function renderContinueCallback(cont) {
if (!self.renderingQueue.isHighestPriority(self)) {
self.renderingState = RenderingStates.PAUSED;
self.resume = function resumeCallback() {
self.renderingState = RenderingStates.RUNNING;
cont();
};
return;
}
cont();
};
var renderContext = {
canvasContext: ctx,
viewport: drawViewport
};
var renderTask = this.renderTask = this.pdfPage.render(renderContext);
renderTask.onContinue = renderContinueCallback;
renderTask.promise.then(function pdfPageRenderCallback() {
thumbnailDrawCallback(null);
}, function pdfPageRenderError(error) {
thumbnailDrawCallback(error);
});
return promise;
},
setImage: function PDFThumbnailView_setImage(pageView) {
if (this.renderingState !== RenderingStates.INITIAL) {
return;
}
var img = pageView.canvas;
if (!img) {
return;
}
if (!this.pdfPage) {
this.setPdfPage(pageView.pdfPage);
}
this.renderingState = RenderingStates.FINISHED;
var ctx = this._getPageDrawContext(true);
var canvas = ctx.canvas;
if (img.width <= 2 * canvas.width) {
ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
this._convertCanvasToImage();
return;
}
var MAX_NUM_SCALING_STEPS = 3;
var reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
var reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
var reducedImage = getTempCanvas(reducedWidth, reducedHeight);
var reducedImageCtx = reducedImage.getContext('2d');
while (reducedWidth > img.width || reducedHeight > img.height) {
reducedWidth >>= 1;
reducedHeight >>= 1;
}
reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
while (reducedWidth > 2 * canvas.width) {
reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
reducedWidth >>= 1;
reducedHeight >>= 1;
}
ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
this._convertCanvasToImage();
},
get pageId() {
return this.pageLabel !== null ? this.pageLabel : this.id;
},
setPageLabel: function PDFThumbnailView_setPageLabel(label) {
this.pageLabel = typeof label === 'string' ? label : null;
this.anchor.title = mozL10n.get('thumb_page_title', { page: this.pageId }, 'Page {{page}}');
if (this.renderingState !== RenderingStates.FINISHED) {
return;
}
var ariaLabel = mozL10n.get('thumb_page_canvas', { page: this.pageId }, 'Thumbnail of Page {{page}}');
if (this.image) {
this.image.setAttribute('aria-label', ariaLabel);
} else if (this.disableCanvasToImageConversion && this.canvas) {
this.canvas.setAttribute('aria-label', ariaLabel);
}
}
};
return PDFThumbnailView;
}();
PDFThumbnailView.tempImageCache = null;
exports.PDFThumbnailView = PDFThumbnailView;
}));
(function (root, factory) {
factory(root.pdfjsWebSecondaryToolbar = {}, root.pdfjsWebUIUtils);
}(this, function (exports, uiUtils) {
var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
var mozL10n = uiUtils.mozL10n;
var SecondaryToolbar = function SecondaryToolbarClosure() {
function SecondaryToolbar(options, mainContainer, eventBus) {
this.toolbar = options.toolbar;
this.toggleButton = options.toggleButton;
this.toolbarButtonContainer = options.toolbarButtonContainer;
this.buttons = [
{
element: options.presentationModeButton,
eventName: 'presentationmode',
close: true
},
{
element: options.openFileButton,
eventName: 'openfile',
close: true
},
{
element: options.printButton,
eventName: 'print',
close: true
},
{
element: options.downloadButton,
eventName: 'download',
close: true
},
{
element: options.viewBookmarkButton,
eventName: null,
close: true
},
{
element: options.firstPageButton,
eventName: 'firstpage',
close: true
},
{
element: options.lastPageButton,
eventName: 'lastpage',
close: true
},
{
element: options.pageRotateCwButton,
eventName: 'rotatecw',
close: false
},
{
element: options.pageRotateCcwButton,
eventName: 'rotateccw',
close: false
},
{
element: options.toggleHandToolButton,
eventName: 'togglehandtool',
close: true
},
{
element: options.documentPropertiesButton,
eventName: 'documentproperties',
close: true
}
];
this.items = {
firstPage: options.firstPageButton,
lastPage: options.lastPageButton,
pageRotateCw: options.pageRotateCwButton,
pageRotateCcw: options.pageRotateCcwButton
};
this.mainContainer = mainContainer;
this.eventBus = eventBus;
this.opened = false;
this.containerHeight = null;
this.previousContainerHeight = null;
this.reset();
this._bindClickListeners();
this._bindHandToolListener(options.toggleHandToolButton);
this.eventBus.on('resize', this._setMaxHeight.bind(this));
}
SecondaryToolbar.prototype = {
get isOpen() {
return this.opened;
},
setPageNumber: function SecondaryToolbar_setPageNumber(pageNumber) {
this.pageNumber = pageNumber;
this._updateUIState();
},
setPagesCount: function SecondaryToolbar_setPagesCount(pagesCount) {
this.pagesCount = pagesCount;
this._updateUIState();
},
reset: function SecondaryToolbar_reset() {
this.pageNumber = 0;
this.pagesCount = 0;
this._updateUIState();
},
_updateUIState: function SecondaryToolbar_updateUIState() {
var items = this.items;
items.firstPage.disabled = this.pageNumber <= 1;
items.lastPage.disabled = this.pageNumber >= this.pagesCount;
items.pageRotateCw.disabled = this.pagesCount === 0;
items.pageRotateCcw.disabled = this.pagesCount === 0;
},
_bindClickListeners: function SecondaryToolbar_bindClickListeners() {
this.toggleButton.addEventListener('click', this.toggle.bind(this));
for (var button in this.buttons) {
var element = this.buttons[button].element;
var eventName = this.buttons[button].eventName;
var close = this.buttons[button].close;
element.addEventListener('click', function (eventName, close) {
if (eventName !== null) {
this.eventBus.dispatch(eventName, { source: this });
}
if (close) {
this.close();
}
}.bind(this, eventName, close));
}
},
_bindHandToolListener: function SecondaryToolbar_bindHandToolListener(toggleHandToolButton) {
var isHandToolActive = false;
this.eventBus.on('handtoolchanged', function (e) {
if (isHandToolActive === e.isActive) {
return;
}
isHandToolActive = e.isActive;
if (isHandToolActive) {
toggleHandToolButton.title = mozL10n.get('hand_tool_disable.title', null, 'Disable hand tool');
toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_disable_label', null, 'Disable hand tool');
} else {
toggleHandToolButton.title = mozL10n.get('hand_tool_enable.title', null, 'Enable hand tool');
toggleHandToolButton.firstElementChild.textContent = mozL10n.get('hand_tool_enable_label', null, 'Enable hand tool');
}
});
},
open: function SecondaryToolbar_open() {
if (this.opened) {
return;
}
this.opened = true;
this._setMaxHeight();
this.toggleButton.classList.add('toggled');
this.toolbar.classList.remove('hidden');
},
close: function SecondaryToolbar_close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toolbar.classList.add('hidden');
this.toggleButton.classList.remove('toggled');
},
toggle: function SecondaryToolbar_toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
},
_setMaxHeight: function SecondaryToolbar_setMaxHeight() {
if (!this.opened) {
return;
}
this.containerHeight = this.mainContainer.clientHeight;
if (this.containerHeight === this.previousContainerHeight) {
return;
}
this.toolbarButtonContainer.setAttribute('style', 'max-height: ' + (this.containerHeight - SCROLLBAR_PADDING) + 'px;');
this.previousContainerHeight = this.containerHeight;
}
};
return SecondaryToolbar;
}();
exports.SecondaryToolbar = SecondaryToolbar;
}));
(function (root, factory) {
factory(root.pdfjsWebToolbar = {}, root.pdfjsWebUIUtils);
}(this, function (exports, uiUtils) {
var mozL10n = uiUtils.mozL10n;
var noContextMenuHandler = uiUtils.noContextMenuHandler;
var animationStarted = uiUtils.animationStarted;
var localized = uiUtils.localized;
var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
var MIN_SCALE = uiUtils.MIN_SCALE;
var MAX_SCALE = uiUtils.MAX_SCALE;
var PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading';
var SCALE_SELECT_CONTAINER_PADDING = 8;
var SCALE_SELECT_PADDING = 22;
var Toolbar = function ToolbarClosure() {
function Toolbar(options, mainContainer, eventBus) {
this.toolbar = options.container;
this.mainContainer = mainContainer;
this.eventBus = eventBus;
this.items = options;
this._wasLocalized = false;
this.reset();
this._bindListeners();
}
Toolbar.prototype = {
setPageNumber: function (pageNumber, pageLabel) {
this.pageNumber = pageNumber;
this.pageLabel = pageLabel;
this._updateUIState(false);
},
setPagesCount: function (pagesCount, hasPageLabels) {
this.pagesCount = pagesCount;
this.hasPageLabels = hasPageLabels;
this._updateUIState(true);
},
setPageScale: function (pageScaleValue, pageScale) {
this.pageScaleValue = pageScaleValue;
this.pageScale = pageScale;
this._updateUIState(false);
},
reset: function () {
this.pageNumber = 0;
this.pageLabel = null;
this.hasPageLabels = false;
this.pagesCount = 0;
this.pageScaleValue = DEFAULT_SCALE_VALUE;
this.pageScale = DEFAULT_SCALE;
this._updateUIState(true);
},
_bindListeners: function Toolbar_bindClickListeners() {
var eventBus = this.eventBus;
var self = this;
var items = this.items;
items.previous.addEventListener('click', function () {
eventBus.dispatch('previouspage');
});
items.next.addEventListener('click', function () {
eventBus.dispatch('nextpage');
});
items.zoomIn.addEventListener('click', function () {
eventBus.dispatch('zoomin');
});
items.zoomOut.addEventListener('click', function () {
eventBus.dispatch('zoomout');
});
items.pageNumber.addEventListener('click', function () {
this.select();
});
items.pageNumber.addEventListener('change', function () {
eventBus.dispatch('pagenumberchanged', {
source: self,
value: this.value
});
});
items.scaleSelect.addEventListener('change', function () {
if (this.value === 'custom') {
return;
}
eventBus.dispatch('scalechanged', {
source: self,
value: this.value
});
});
items.presentationModeButton.addEventListener('click', function (e) {
eventBus.dispatch('presentationmode');
});
items.openFile.addEventListener('click', function (e) {
eventBus.dispatch('openfile');
});
items.print.addEventListener('click', function (e) {
eventBus.dispatch('print');
});
items.download.addEventListener('click', function (e) {
eventBus.dispatch('download');
});
items.scaleSelect.oncontextmenu = noContextMenuHandler;
localized.then(this._localized.bind(this));
},
_localized: function Toolbar_localized() {
this._wasLocalized = true;
this._adjustScaleWidth();
this._updateUIState(true);
},
_updateUIState: function Toolbar_updateUIState(resetNumPages) {
function selectScaleOption(value, scale) {
var options = items.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;
}
if (!predefinedValueFound) {
var customScale = Math.round(scale * 10000) / 100;
items.customScaleOption.textContent = mozL10n.get('page_scale_percent', { scale: customScale }, '{{scale}}%');
items.customScaleOption.selected = true;
}
}
if (!this._wasLocalized) {
return;
}
var pageNumber = this.pageNumber;
var scaleValue = (this.pageScaleValue || this.pageScale).toString();
var scale = this.pageScale;
var items = this.items;
var pagesCount = this.pagesCount;
if (resetNumPages) {
if (this.hasPageLabels) {
items.pageNumber.type = 'text';
} else {
items.pageNumber.type = 'number';
items.numPages.textContent = mozL10n.get('of_pages', { pagesCount: pagesCount }, 'of {{pagesCount}}');
}
items.pageNumber.max = pagesCount;
}
if (this.hasPageLabels) {
items.pageNumber.value = this.pageLabel;
items.numPages.textContent = mozL10n.get('page_of_pages', {
pageNumber: pageNumber,
pagesCount: pagesCount
}, '({{pageNumber}} of {{pagesCount}})');
} else {
items.pageNumber.value = pageNumber;
}
items.previous.disabled = pageNumber <= 1;
items.next.disabled = pageNumber >= pagesCount;
items.zoomOut.disabled = scale <= MIN_SCALE;
items.zoomIn.disabled = scale >= MAX_SCALE;
selectScaleOption(scaleValue, scale);
},
updateLoadingIndicatorState: function Toolbar_updateLoadingIndicatorState(loading) {
var pageNumberInput = this.items.pageNumber;
if (loading) {
pageNumberInput.classList.add(PAGE_NUMBER_LOADING_INDICATOR);
} else {
pageNumberInput.classList.remove(PAGE_NUMBER_LOADING_INDICATOR);
}
},
_adjustScaleWidth: function Toolbar_adjustScaleWidth() {
var container = this.items.scaleSelectContainer;
var select = this.items.scaleSelect;
animationStarted.then(function () {
if (container.clientWidth === 0) {
container.setAttribute('style', 'display: inherit;');
}
if (container.clientWidth > 0) {
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;');
}
});
}
};
return Toolbar;
}();
exports.Toolbar = Toolbar;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFFindBar = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFFindController);
}(this, function (exports, uiUtils, pdfFindController) {
var mozL10n = uiUtils.mozL10n;
var FindStates = pdfFindController.FindStates;
var PDFFindBar = function PDFFindBarClosure() {
function PDFFindBar(options) {
this.opened = false;
this.bar = options.bar || null;
this.toggleButton = options.toggleButton || null;
this.findField = options.findField || null;
this.highlightAll = options.highlightAllCheckbox || null;
this.caseSensitive = options.caseSensitiveCheckbox || null;
this.findMsg = options.findMsg || null;
this.findResultsCount = options.findResultsCount || null;
this.findStatusIcon = options.findStatusIcon || null;
this.findPreviousButton = options.findPreviousButton || null;
this.findNextButton = options.findNextButton || null;
this.findController = options.findController || null;
this.eventBus = options.eventBus;
if (this.findController === null) {
throw new Error('PDFFindBar cannot be used without a ' + 'PDFFindController instance.');
}
var self = this;
this.toggleButton.addEventListener('click', function () {
self.toggle();
});
this.findField.addEventListener('input', function () {
self.dispatchEvent('');
});
this.bar.addEventListener('keydown', function (evt) {
switch (evt.keyCode) {
case 13:
if (evt.target === self.findField) {
self.dispatchEvent('again', evt.shiftKey);
}
break;
case 27:
self.close();
break;
}
});
this.findPreviousButton.addEventListener('click', function () {
self.dispatchEvent('again', true);
});
this.findNextButton.addEventListener('click', function () {
self.dispatchEvent('again', false);
});
this.highlightAll.addEventListener('click', function () {
self.dispatchEvent('highlightallchange');
});
this.caseSensitive.addEventListener('click', function () {
self.dispatchEvent('casesensitivitychange');
});
}
PDFFindBar.prototype = {
reset: function PDFFindBar_reset() {
this.updateUIState();
},
dispatchEvent: function PDFFindBar_dispatchEvent(type, findPrev) {
this.eventBus.dispatch('find', {
source: this,
type: type,
query: this.findField.value,
caseSensitive: this.caseSensitive.checked,
phraseSearch: true,
highlightAll: this.highlightAll.checked,
findPrevious: findPrev
});
},
updateUIState: function PDFFindBar_updateUIState(state, previous, matchCount) {
var notFound = false;
var findMsg = '';
var status = '';
switch (state) {
case FindStates.FIND_FOUND:
break;
case FindStates.FIND_PENDING:
status = 'pending';
break;
case FindStates.FIND_NOTFOUND:
findMsg = mozL10n.get('find_not_found', null, 'Phrase not found');
notFound = true;
break;
case FindStates.FIND_WRAPPED:
if (previous) {
findMsg = mozL10n.get('find_reached_top', null, 'Reached top of document, continued from bottom');
} else {
findMsg = mozL10n.get('find_reached_bottom', null, 'Reached end of document, continued from top');
}
break;
}
if (notFound) {
this.findField.classList.add('notFound');
} else {
this.findField.classList.remove('notFound');
}
this.findField.setAttribute('data-status', status);
this.findMsg.textContent = findMsg;
this.updateResultsCount(matchCount);
},
updateResultsCount: function (matchCount) {
if (!this.findResultsCount) {
return;
}
if (!matchCount) {
this.findResultsCount.classList.add('hidden');
return;
}
this.findResultsCount.textContent = matchCount.toLocaleString();
this.findResultsCount.classList.remove('hidden');
},
open: function PDFFindBar_open() {
if (!this.opened) {
this.opened = true;
this.toggleButton.classList.add('toggled');
this.bar.classList.remove('hidden');
}
this.findField.select();
this.findField.focus();
},
close: function PDFFindBar_close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toggleButton.classList.remove('toggled');
this.bar.classList.add('hidden');
this.findController.active = false;
},
toggle: function PDFFindBar_toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
};
return PDFFindBar;
}();
exports.PDFFindBar = PDFFindBar;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFHistory = {}, root.pdfjsWebDOMEvents);
}(this, function (exports, domEvents) {
function PDFHistory(options) {
this.linkService = options.linkService;
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
this.initialized = false;
this.initialDestination = null;
this.initialBookmark = null;
}
PDFHistory.prototype = {
initialize: function pdfHistoryInitialize(fingerprint) {
this.initialized = true;
this.reInitialized = false;
this.allowHashChange = true;
this.historyUnlocked = true;
this.isViewerInPresentationMode = false;
this.previousHash = window.location.hash.substring(1);
this.currentBookmark = '';
this.currentPage = 0;
this.updatePreviousBookmark = false;
this.previousBookmark = '';
this.previousPage = 0;
this.nextHashParam = '';
this.fingerprint = fingerprint;
this.currentUid = this.uid = 0;
this.current = {};
var state = window.history.state;
if (this._isStateObjectDefined(state)) {
if (state.target.dest) {
this.initialDestination = state.target.dest;
} else {
this.initialBookmark = state.target.hash;
}
this.currentUid = state.uid;
this.uid = state.uid + 1;
this.current = state.target;
} else {
if (state && state.fingerprint && this.fingerprint !== state.fingerprint) {
this.reInitialized = true;
}
this._pushOrReplaceState({ fingerprint: this.fingerprint }, true);
}
var self = this;
window.addEventListener('popstate', function pdfHistoryPopstate(evt) {
if (!self.historyUnlocked) {
return;
}
if (evt.state) {
self._goTo(evt.state);
return;
}
if (self.uid === 0) {
var previousParams = self.previousHash && self.currentBookmark && self.previousHash !== self.currentBookmark ? {
hash: self.currentBookmark,
page: self.currentPage
} : { page: 1 };
replacePreviousHistoryState(previousParams, function () {
updateHistoryWithCurrentHash();
});
} else {
updateHistoryWithCurrentHash();
}
});
function updateHistoryWithCurrentHash() {
self.previousHash = window.location.hash.slice(1);
self._pushToHistory({ hash: self.previousHash }, false, true);
self._updatePreviousBookmark();
}
function replacePreviousHistoryState(params, callback) {
self.historyUnlocked = false;
self.allowHashChange = false;
window.addEventListener('popstate', rewriteHistoryAfterBack);
history.back();
function rewriteHistoryAfterBack() {
window.removeEventListener('popstate', rewriteHistoryAfterBack);
window.addEventListener('popstate', rewriteHistoryAfterForward);
self._pushToHistory(params, false, true);
history.forward();
}
function rewriteHistoryAfterForward() {
window.removeEventListener('popstate', rewriteHistoryAfterForward);
self.allowHashChange = true;
self.historyUnlocked = true;
callback();
}
}
function pdfHistoryBeforeUnload() {
var previousParams = self._getPreviousParams(null, true);
if (previousParams) {
var replacePrevious = !self.current.dest && self.current.hash !== self.previousHash;
self._pushToHistory(previousParams, false, replacePrevious);
self._updatePreviousBookmark();
}
window.removeEventListener('beforeunload', pdfHistoryBeforeUnload);
}
window.addEventListener('beforeunload', pdfHistoryBeforeUnload);
window.addEventListener('pageshow', function pdfHistoryPageShow(evt) {
window.addEventListener('beforeunload', pdfHistoryBeforeUnload);
});
self.eventBus.on('presentationmodechanged', function (e) {
self.isViewerInPresentationMode = e.active;
});
},
clearHistoryState: function pdfHistory_clearHistoryState() {
this._pushOrReplaceState(null, true);
},
_isStateObjectDefined: function pdfHistory_isStateObjectDefined(state) {
return state && state.uid >= 0 && state.fingerprint && this.fingerprint === state.fingerprint && state.target && state.target.hash ? true : false;
},
_pushOrReplaceState: function pdfHistory_pushOrReplaceState(stateObj, replace) {
if (replace) {
window.history.replaceState(stateObj, '', document.URL);
} else {
window.history.pushState(stateObj, '', document.URL);
}
},
get isHashChangeUnlocked() {
if (!this.initialized) {
return true;
}
return this.allowHashChange;
},
_updatePreviousBookmark: function pdfHistory_updatePreviousBookmark() {
if (this.updatePreviousBookmark && this.currentBookmark && this.currentPage) {
this.previousBookmark = this.currentBookmark;
this.previousPage = this.currentPage;
this.updatePreviousBookmark = false;
}
},
updateCurrentBookmark: function pdfHistoryUpdateCurrentBookmark(bookmark, pageNum) {
if (this.initialized) {
this.currentBookmark = bookmark.substring(1);
this.currentPage = pageNum | 0;
this._updatePreviousBookmark();
}
},
updateNextHashParam: function pdfHistoryUpdateNextHashParam(param) {
if (this.initialized) {
this.nextHashParam = param;
}
},
push: function pdfHistoryPush(params, isInitialBookmark) {
if (!(this.initialized && this.historyUnlocked)) {
return;
}
if (params.dest && !params.hash) {
params.hash = this.current.hash && this.current.dest && this.current.dest === params.dest ? this.current.hash : this.linkService.getDestinationHash(params.dest).split('#')[1];
}
if (params.page) {
params.page |= 0;
}
if (isInitialBookmark) {
var target = window.history.state.target;
if (!target) {
this._pushToHistory(params, false);
this.previousHash = window.location.hash.substring(1);
}
this.updatePreviousBookmark = this.nextHashParam ? false : true;
if (target) {
this._updatePreviousBookmark();
}
return;
}
if (this.nextHashParam) {
if (this.nextHashParam === params.hash) {
this.nextHashParam = null;
this.updatePreviousBookmark = true;
return;
}
this.nextHashParam = null;
}
if (params.hash) {
if (this.current.hash) {
if (this.current.hash !== params.hash) {
this._pushToHistory(params, true);
} else {
if (!this.current.page && params.page) {
this._pushToHistory(params, false, true);
}
this.updatePreviousBookmark = true;
}
} else {
this._pushToHistory(params, true);
}
} else if (this.current.page && params.page && this.current.page !== params.page) {
this._pushToHistory(params, true);
}
},
_getPreviousParams: function pdfHistory_getPreviousParams(onlyCheckPage, beforeUnload) {
if (!(this.currentBookmark && this.currentPage)) {
return null;
} else if (this.updatePreviousBookmark) {
this.updatePreviousBookmark = false;
}
if (this.uid > 0 && !(this.previousBookmark && this.previousPage)) {
return null;
}
if (!this.current.dest && !onlyCheckPage || beforeUnload) {
if (this.previousBookmark === this.currentBookmark) {
return null;
}
} else if (this.current.page || onlyCheckPage) {
if (this.previousPage === this.currentPage) {
return null;
}
} else {
return null;
}
var params = {
hash: this.currentBookmark,
page: this.currentPage
};
if (this.isViewerInPresentationMode) {
params.hash = null;
}
return params;
},
_stateObj: function pdfHistory_stateObj(params) {
return {
fingerprint: this.fingerprint,
uid: this.uid,
target: params
};
},
_pushToHistory: function pdfHistory_pushToHistory(params, addPrevious, overwrite) {
if (!this.initialized) {
return;
}
if (!params.hash && params.page) {
params.hash = 'page=' + params.page;
}
if (addPrevious && !overwrite) {
var previousParams = this._getPreviousParams();
if (previousParams) {
var replacePrevious = !this.current.dest && this.current.hash !== this.previousHash;
this._pushToHistory(previousParams, false, replacePrevious);
}
}
this._pushOrReplaceState(this._stateObj(params), overwrite || this.uid === 0);
this.currentUid = this.uid++;
this.current = params;
this.updatePreviousBookmark = true;
},
_goTo: function pdfHistory_goTo(state) {
if (!(this.initialized && this.historyUnlocked && this._isStateObjectDefined(state))) {
return;
}
if (!this.reInitialized && state.uid < this.currentUid) {
var previousParams = this._getPreviousParams(true);
if (previousParams) {
this._pushToHistory(this.current, false);
this._pushToHistory(previousParams, false);
this.currentUid = state.uid;
window.history.back();
return;
}
}
this.historyUnlocked = false;
if (state.target.dest) {
this.linkService.navigateTo(state.target.dest);
} else {
this.linkService.setHash(state.target.hash);
}
this.currentUid = state.uid;
if (state.uid > this.uid) {
this.uid = state.uid;
}
this.current = state.target;
this.updatePreviousBookmark = true;
var currentHash = window.location.hash.substring(1);
if (this.previousHash !== currentHash) {
this.allowHashChange = false;
}
this.previousHash = currentHash;
this.historyUnlocked = true;
},
back: function pdfHistoryBack() {
this.go(-1);
},
forward: function pdfHistoryForward() {
this.go(1);
},
go: function pdfHistoryGo(direction) {
if (this.initialized && this.historyUnlocked) {
var state = window.history.state;
if (direction === -1 && state && state.uid > 0) {
window.history.back();
} else if (direction === 1 && state && state.uid < this.uid - 1) {
window.history.forward();
}
}
}
};
exports.PDFHistory = PDFHistory;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFLinkService = {}, root.pdfjsWebUIUtils, root.pdfjsWebDOMEvents);
}(this, function (exports, uiUtils, domEvents) {
var parseQueryString = uiUtils.parseQueryString;
var PageNumberRegExp = /^\d+$/;
function isPageNumber(str) {
return PageNumberRegExp.test(str);
}
var PDFLinkService = function PDFLinkServiceClosure() {
function PDFLinkService(options) {
options = options || {};
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
this.baseUrl = null;
this.pdfDocument = null;
this.pdfViewer = null;
this.pdfHistory = null;
this._pagesRefCache = null;
}
PDFLinkService.prototype = {
setDocument: function PDFLinkService_setDocument(pdfDocument, baseUrl) {
this.baseUrl = baseUrl;
this.pdfDocument = pdfDocument;
this._pagesRefCache = Object.create(null);
},
setViewer: function PDFLinkService_setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
},
setHistory: function PDFLinkService_setHistory(pdfHistory) {
this.pdfHistory = pdfHistory;
},
get pagesCount() {
return this.pdfDocument ? this.pdfDocument.numPages : 0;
},
get page() {
return this.pdfViewer.currentPageNumber;
},
set page(value) {
this.pdfViewer.currentPageNumber = value;
},
navigateTo: function PDFLinkService_navigateTo(dest) {
var destString = '';
var self = this;
var goToDestination = function (destRef) {
var pageNumber;
if (destRef instanceof Object) {
pageNumber = self._cachedPageNumber(destRef);
} else if ((destRef | 0) === destRef) {
pageNumber = destRef + 1;
} else {
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid destination reference.');
return;
}
if (pageNumber) {
if (pageNumber < 1 || pageNumber > self.pagesCount) {
console.error('PDFLinkService_navigateTo: "' + pageNumber + '" is a non-existent page number.');
return;
}
self.pdfViewer.scrollPageIntoView({
pageNumber: pageNumber,
destArray: dest
});
if (self.pdfHistory) {
self.pdfHistory.push({
dest: dest,
hash: destString,
page: pageNumber
});
}
} else {
self.pdfDocument.getPageIndex(destRef).then(function (pageIndex) {
self.cachePageRef(pageIndex + 1, destRef);
goToDestination(destRef);
}).catch(function () {
console.error('PDFLinkService_navigateTo: "' + destRef + '" is not a valid page reference.');
});
}
};
var destinationPromise;
if (typeof dest === 'string') {
destString = dest;
destinationPromise = this.pdfDocument.getDestination(dest);
} else {
destinationPromise = Promise.resolve(dest);
}
destinationPromise.then(function (destination) {
dest = destination;
if (!(destination instanceof Array)) {
console.error('PDFLinkService_navigateTo: "' + destination + '" is not a valid destination array.');
return;
}
goToDestination(destination[0]);
});
},
getDestinationHash: function PDFLinkService_getDestinationHash(dest) {
if (typeof dest === 'string') {
return this.getAnchorUrl('#' + (isPageNumber(dest) ? 'nameddest=' : '') + escape(dest));
}
if (dest instanceof Array) {
var str = JSON.stringify(dest);
return this.getAnchorUrl('#' + escape(str));
}
return this.getAnchorUrl('');
},
getAnchorUrl: function PDFLinkService_getAnchorUrl(anchor) {
return (this.baseUrl || '') + anchor;
},
setHash: function PDFLinkService_setHash(hash) {
var pageNumber, dest;
if (hash.indexOf('=') >= 0) {
var params = parseQueryString(hash);
if ('search' in params) {
this.eventBus.dispatch('findfromurlhash', {
source: this,
query: params['search'].replace(/"/g, ''),
phraseSearch: params['phrase'] === 'true'
});
}
if ('nameddest' in params) {
if (this.pdfHistory) {
this.pdfHistory.updateNextHashParam(params.nameddest);
}
this.navigateTo(params.nameddest);
return;
}
if ('page' in params) {
pageNumber = params.page | 0 || 1;
}
if ('zoom' in params) {
var zoomArgs = params.zoom.split(',');
var zoomArg = zoomArgs[0];
var zoomArgNumber = parseFloat(zoomArg);
if (zoomArg.indexOf('Fit') === -1) {
dest = [
null,
{ name: 'XYZ' },
zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,
zoomArgNumber ? zoomArgNumber / 100 : zoomArg
];
} else {
if (zoomArg === 'Fit' || zoomArg === 'FitB') {
dest = [
null,
{ name: zoomArg }
];
} else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || (zoomArg === 'FitV' || zoomArg === 'FitBV')) {
dest = [
null,
{ name: zoomArg },
zoomArgs.length > 1 ? zoomArgs[1] | 0 : null
];
} else if (zoomArg === 'FitR') {
if (zoomArgs.length !== 5) {
console.error('PDFLinkService_setHash: ' + 'Not enough parameters for \'FitR\'.');
} else {
dest = [
null,
{ name: zoomArg },
zoomArgs[1] | 0,
zoomArgs[2] | 0,
zoomArgs[3] | 0,
zoomArgs[4] | 0
];
}
} else {
console.error('PDFLinkService_setHash: \'' + zoomArg + '\' is not a valid zoom value.');
}
}
}
if (dest) {
this.pdfViewer.scrollPageIntoView({
pageNumber: pageNumber || this.page,
destArray: dest,
allowNegativeOffset: true
});
} else if (pageNumber) {
this.page = pageNumber;
}
if ('pagemode' in params) {
this.eventBus.dispatch('pagemode', {
source: this,
mode: params.pagemode
});
}
} else {
if (isPageNumber(hash) && hash <= this.pagesCount) {
console.warn('PDFLinkService_setHash: specifying a page number ' + 'directly after the hash symbol (#) is deprecated, ' + 'please use the "#page=' + hash + '" form instead.');
this.page = hash | 0;
}
dest = unescape(hash);
try {
dest = JSON.parse(dest);
if (!(dest instanceof Array)) {
dest = dest.toString();
}
} catch (ex) {
}
if (typeof dest === 'string' || isValidExplicitDestination(dest)) {
if (this.pdfHistory) {
this.pdfHistory.updateNextHashParam(dest);
}
this.navigateTo(dest);
return;
}
console.error('PDFLinkService_setHash: \'' + unescape(hash) + '\' is not a valid destination.');
}
},
executeNamedAction: function PDFLinkService_executeNamedAction(action) {
switch (action) {
case 'GoBack':
if (this.pdfHistory) {
this.pdfHistory.back();
}
break;
case 'GoForward':
if (this.pdfHistory) {
this.pdfHistory.forward();
}
break;
case 'NextPage':
if (this.page < this.pagesCount) {
this.page++;
}
break;
case 'PrevPage':
if (this.page > 1) {
this.page--;
}
break;
case 'LastPage':
this.page = this.pagesCount;
break;
case 'FirstPage':
this.page = 1;
break;
default:
break;
}
this.eventBus.dispatch('namedaction', {
source: this,
action: action
});
},
onFileAttachmentAnnotation: function (params) {
this.eventBus.dispatch('fileattachmentannotation', {
source: this,
id: params.id,
filename: params.filename,
content: params.content
});
},
cachePageRef: function PDFLinkService_cachePageRef(pageNum, pageRef) {
var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
this._pagesRefCache[refStr] = pageNum;
},
_cachedPageNumber: function PDFLinkService_cachedPageNumber(pageRef) {
var refStr = pageRef.num + ' ' + pageRef.gen + ' R';
return this._pagesRefCache && this._pagesRefCache[refStr] || null;
}
};
function isValidExplicitDestination(dest) {
if (!(dest instanceof Array)) {
return false;
}
var destLength = dest.length, allowNull = true;
if (destLength < 2) {
return false;
}
var page = dest[0];
if (!(typeof page === 'object' && typeof page.num === 'number' && (page.num | 0) === page.num && typeof page.gen === 'number' && (page.gen | 0) === page.gen) && !(typeof page === 'number' && (page | 0) === page && page >= 0)) {
return false;
}
var zoom = dest[1];
if (!(typeof zoom === 'object' && typeof zoom.name === 'string')) {
return false;
}
switch (zoom.name) {
case 'XYZ':
if (destLength !== 5) {
return false;
}
break;
case 'Fit':
case 'FitB':
return destLength === 2;
case 'FitH':
case 'FitBH':
case 'FitV':
case 'FitBV':
if (destLength !== 3) {
return false;
}
break;
case 'FitR':
if (destLength !== 6) {
return false;
}
allowNull = false;
break;
default:
return false;
}
for (var i = 2; i < destLength; i++) {
var param = dest[i];
if (!(typeof param === 'number' || allowNull && param === null)) {
return false;
}
}
return true;
}
return PDFLinkService;
}();
var SimpleLinkService = function SimpleLinkServiceClosure() {
function SimpleLinkService() {
}
SimpleLinkService.prototype = {
get page() {
return 0;
},
set page(value) {
},
navigateTo: function (dest) {
},
getDestinationHash: function (dest) {
return '#';
},
getAnchorUrl: function (hash) {
return '#';
},
setHash: function (hash) {
},
executeNamedAction: function (action) {
},
onFileAttachmentAnnotation: function (params) {
},
cachePageRef: function (pageNum, pageRef) {
}
};
return SimpleLinkService;
}();
exports.PDFLinkService = PDFLinkService;
exports.SimpleLinkService = SimpleLinkService;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFPageView = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
}(this, function (exports, uiUtils, pdfRenderingQueue, domEvents, pdfjsLib) {
var CSS_UNITS = uiUtils.CSS_UNITS;
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
var getOutputScale = uiUtils.getOutputScale;
var approximateFraction = uiUtils.approximateFraction;
var roundToDivide = uiUtils.roundToDivide;
var RendererType = uiUtils.RendererType;
var RenderingStates = pdfRenderingQueue.RenderingStates;
var TEXT_LAYER_RENDER_DELAY = 200;
var PDFPageView = function PDFPageViewClosure() {
function PDFPageView(options) {
var container = options.container;
var id = options.id;
var scale = options.scale;
var defaultViewport = options.defaultViewport;
var renderingQueue = options.renderingQueue;
var textLayerFactory = options.textLayerFactory;
var annotationLayerFactory = options.annotationLayerFactory;
var enhanceTextSelection = options.enhanceTextSelection || false;
var renderInteractiveForms = options.renderInteractiveForms || false;
this.id = id;
this.renderingId = 'page' + id;
this.pageLabel = null;
this.rotation = 0;
this.scale = scale || DEFAULT_SCALE;
this.viewport = defaultViewport;
this.pdfPageRotate = defaultViewport.rotation;
this.hasRestrictedScaling = false;
this.enhanceTextSelection = enhanceTextSelection;
this.renderInteractiveForms = renderInteractiveForms;
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
this.renderingQueue = renderingQueue;
this.textLayerFactory = textLayerFactory;
this.annotationLayerFactory = annotationLayerFactory;
this.renderer = options.renderer || RendererType.CANVAS;
this.paintTask = null;
this.paintedViewportMap = new WeakMap();
this.renderingState = RenderingStates.INITIAL;
this.resume = null;
this.error = null;
this.onBeforeDraw = null;
this.onAfterDraw = null;
this.textLayer = null;
this.zoomLayer = null;
this.annotationLayer = null;
var div = document.createElement('div');
div.className = 'page';
div.style.width = Math.floor(this.viewport.width) + 'px';
div.style.height = Math.floor(this.viewport.height) + 'px';
div.setAttribute('data-page-number', this.id);
this.div = div;
container.appendChild(div);
}
PDFPageView.prototype = {
setPdfPage: function PDFPageView_setPdfPage(pdfPage) {
this.pdfPage = pdfPage;
this.pdfPageRotate = pdfPage.rotate;
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = pdfPage.getViewport(this.scale * CSS_UNITS, totalRotation);
this.stats = pdfPage.stats;
this.reset();
},
destroy: function PDFPageView_destroy() {
this.zoomLayer = null;
this.reset();
if (this.pdfPage) {
this.pdfPage.cleanup();
}
},
reset: function PDFPageView_reset(keepZoomLayer, keepAnnotations) {
this.cancelRendering();
var div = this.div;
div.style.width = Math.floor(this.viewport.width) + 'px';
div.style.height = Math.floor(this.viewport.height) + 'px';
var childNodes = div.childNodes;
var currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
var currentAnnotationNode = keepAnnotations && this.annotationLayer && this.annotationLayer.div || null;
for (var i = childNodes.length - 1; i >= 0; i--) {
var node = childNodes[i];
if (currentZoomLayerNode === node || currentAnnotationNode === node) {
continue;
}
div.removeChild(node);
}
div.removeAttribute('data-loaded');
if (currentAnnotationNode) {
this.annotationLayer.hide();
} else {
this.annotationLayer = null;
}
if (this.canvas && !currentZoomLayerNode) {
this.paintedViewportMap.delete(this.canvas);
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
}
if (this.svg) {
this.paintedViewportMap.delete(this.svg);
delete this.svg;
}
this.loadingIconDiv = document.createElement('div');
this.loadingIconDiv.className = 'loadingIcon';
div.appendChild(this.loadingIconDiv);
},
update: function PDFPageView_update(scale, rotation) {
this.scale = scale || this.scale;
if (typeof rotation !== 'undefined') {
this.rotation = rotation;
}
var totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = this.viewport.clone({
scale: this.scale * CSS_UNITS,
rotation: totalRotation
});
if (this.svg) {
this.cssTransform(this.svg, true);
this.eventBus.dispatch('pagerendered', {
source: this,
pageNumber: this.id,
cssTransform: true
});
return;
}
var isScalingRestricted = false;
if (this.canvas && pdfjsLib.PDFJS.maxCanvasPixels > 0) {
var outputScale = this.outputScale;
if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > pdfjsLib.PDFJS.maxCanvasPixels) {
isScalingRestricted = true;
}
}
if (this.canvas) {
if (pdfjsLib.PDFJS.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
this.cssTransform(this.canvas, true);
this.eventBus.dispatch('pagerendered', {
source: this,
pageNumber: this.id,
cssTransform: true
});
return;
}
if (!this.zoomLayer) {
this.zoomLayer = this.canvas.parentNode;
this.zoomLayer.style.position = 'absolute';
}
}
if (this.zoomLayer) {
this.cssTransform(this.zoomLayer.firstChild);
}
this.reset(true, true);
},
cancelRendering: function PDFPageView_cancelRendering() {
if (this.paintTask) {
this.paintTask.cancel();
this.paintTask = null;
}
this.renderingState = RenderingStates.INITIAL;
this.resume = null;
if (this.textLayer) {
this.textLayer.cancel();
this.textLayer = null;
}
},
updatePosition: function PDFPageView_updatePosition() {
if (this.textLayer) {
this.textLayer.render(TEXT_LAYER_RENDER_DELAY);
}
},
cssTransform: function PDFPageView_transform(target, redrawAnnotations) {
var CustomStyle = pdfjsLib.CustomStyle;
var width = this.viewport.width;
var height = this.viewport.height;
var div = this.div;
target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + 'px';
target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + 'px';
var relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
var absRotation = Math.abs(relativeRotation);
var scaleX = 1, scaleY = 1;
if (absRotation === 90 || absRotation === 270) {
scaleX = height / width;
scaleY = width / height;
}
var cssTransform = 'rotate(' + relativeRotation + 'deg) ' + 'scale(' + scaleX + ',' + scaleY + ')';
CustomStyle.setProp('transform', target, cssTransform);
if (this.textLayer) {
var textLayerViewport = this.textLayer.viewport;
var textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
var textAbsRotation = Math.abs(textRelativeRotation);
var scale = width / textLayerViewport.width;
if (textAbsRotation === 90 || textAbsRotation === 270) {
scale = width / textLayerViewport.height;
}
var textLayerDiv = this.textLayer.textLayerDiv;
var transX, transY;
switch (textAbsRotation) {
case 0:
transX = transY = 0;
break;
case 90:
transX = 0;
transY = '-' + textLayerDiv.style.height;
break;
case 180:
transX = '-' + textLayerDiv.style.width;
transY = '-' + textLayerDiv.style.height;
break;
case 270:
transX = '-' + textLayerDiv.style.width;
transY = 0;
break;
default:
console.error('Bad rotation value.');
break;
}
CustomStyle.setProp('transform', textLayerDiv, 'rotate(' + textAbsRotation + 'deg) ' + 'scale(' + scale + ', ' + scale + ') ' + 'translate(' + transX + ', ' + transY + ')');
CustomStyle.setProp('transformOrigin', textLayerDiv, '0% 0%');
}
if (redrawAnnotations && this.annotationLayer) {
this.annotationLayer.render(this.viewport, 'display');
}
},
get width() {
return this.viewport.width;
},
get height() {
return this.viewport.height;
},
getPagePoint: function PDFPageView_getPagePoint(x, y) {
return this.viewport.convertToPdfPoint(x, y);
},
draw: function PDFPageView_draw() {
if (this.renderingState !== RenderingStates.INITIAL) {
console.error('Must be in new state before drawing');
this.reset();
}
this.renderingState = RenderingStates.RUNNING;
var self = this;
var pdfPage = this.pdfPage;
var div = this.div;
var canvasWrapper = document.createElement('div');
canvasWrapper.style.width = div.style.width;
canvasWrapper.style.height = div.style.height;
canvasWrapper.classList.add('canvasWrapper');
if (this.annotationLayer && this.annotationLayer.div) {
div.insertBefore(canvasWrapper, this.annotationLayer.div);
} else {
div.appendChild(canvasWrapper);
}
var textLayerDiv = null;
var textLayer = null;
if (this.textLayerFactory) {
textLayerDiv = document.createElement('div');
textLayerDiv.className = 'textLayer';
textLayerDiv.style.width = canvasWrapper.style.width;
textLayerDiv.style.height = canvasWrapper.style.height;
if (this.annotationLayer && this.annotationLayer.div) {
div.insertBefore(textLayerDiv, this.annotationLayer.div);
} else {
div.appendChild(textLayerDiv);
}
textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.enhanceTextSelection);
}
this.textLayer = textLayer;
var renderContinueCallback = null;
if (this.renderingQueue) {
renderContinueCallback = function renderContinueCallback(cont) {
if (!self.renderingQueue.isHighestPriority(self)) {
self.renderingState = RenderingStates.PAUSED;
self.resume = function resumeCallback() {
self.renderingState = RenderingStates.RUNNING;
cont();
};
return;
}
cont();
};
}
var finishPaintTask = function finishPaintTask(error) {
if (paintTask === self.paintTask) {
self.paintTask = null;
}
if (error === 'cancelled') {
self.error = null;
return Promise.resolve(undefined);
}
self.renderingState = RenderingStates.FINISHED;
if (self.loadingIconDiv) {
div.removeChild(self.loadingIconDiv);
delete self.loadingIconDiv;
}
if (self.zoomLayer) {
var zoomLayerCanvas = self.zoomLayer.firstChild;
self.paintedViewportMap.delete(zoomLayerCanvas);
zoomLayerCanvas.width = 0;
zoomLayerCanvas.height = 0;
if (div.contains(self.zoomLayer)) {
div.removeChild(self.zoomLayer);
}
self.zoomLayer = null;
}
self.error = error;
self.stats = pdfPage.stats;
if (self.onAfterDraw) {
self.onAfterDraw();
}
self.eventBus.dispatch('pagerendered', {
source: self,
pageNumber: self.id,
cssTransform: false
});
if (error) {
return Promise.reject(error);
}
return Promise.resolve(undefined);
};
var paintTask = this.renderer === RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
paintTask.onRenderContinue = renderContinueCallback;
this.paintTask = paintTask;
var resultPromise = paintTask.promise.then(function () {
return finishPaintTask(null).then(function () {
if (textLayer) {
pdfPage.getTextContent({ normalizeWhitespace: true }).then(function textContentResolved(textContent) {
textLayer.setTextContent(textContent);
textLayer.render(TEXT_LAYER_RENDER_DELAY);
});
}
});
}, function (reason) {
return finishPaintTask(reason);
});
if (this.annotationLayerFactory) {
if (!this.annotationLayer) {
this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, this.renderInteractiveForms);
}
this.annotationLayer.render(this.viewport, 'display');
}
div.setAttribute('data-loaded', true);
if (this.onBeforeDraw) {
this.onBeforeDraw();
}
return resultPromise;
},
paintOnCanvas: function (canvasWrapper) {
var resolveRenderPromise, rejectRenderPromise;
var promise = new Promise(function (resolve, reject) {
resolveRenderPromise = resolve;
rejectRenderPromise = reject;
});
var result = {
promise: promise,
onRenderContinue: function (cont) {
cont();
},
cancel: function () {
renderTask.cancel();
}
};
var viewport = this.viewport;
var canvas = document.createElement('canvas');
canvas.id = 'page' + this.id;
canvas.setAttribute('hidden', 'hidden');
var isCanvasHidden = true;
var showCanvas = function () {
if (isCanvasHidden) {
canvas.removeAttribute('hidden');
isCanvasHidden = false;
}
};
canvasWrapper.appendChild(canvas);
this.canvas = canvas;
canvas.mozOpaque = true;
var ctx = canvas.getContext('2d', { alpha: false });
var outputScale = getOutputScale(ctx);
this.outputScale = outputScale;
if (pdfjsLib.PDFJS.useOnlyCssZoom) {
var actualSizeViewport = viewport.clone({ scale: CSS_UNITS });
outputScale.sx *= actualSizeViewport.width / viewport.width;
outputScale.sy *= actualSizeViewport.height / viewport.height;
outputScale.scaled = true;
}
if (pdfjsLib.PDFJS.maxCanvasPixels > 0) {
var pixelsInViewport = viewport.width * viewport.height;
var maxScale = Math.sqrt(pdfjsLib.PDFJS.maxCanvasPixels / pixelsInViewport);
if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
outputScale.sx = maxScale;
outputScale.sy = maxScale;
outputScale.scaled = true;
this.hasRestrictedScaling = true;
} else {
this.hasRestrictedScaling = false;
}
}
var sfx = approximateFraction(outputScale.sx);
var sfy = approximateFraction(outputScale.sy);
canvas.width = roundToDivide(viewport.width * outputScale.sx, sfx[0]);
canvas.height = roundToDivide(viewport.height * outputScale.sy, sfy[0]);
canvas.style.width = roundToDivide(viewport.width, sfx[1]) + 'px';
canvas.style.height = roundToDivide(viewport.height, sfy[1]) + 'px';
this.paintedViewportMap.set(canvas, viewport);
var transform = !outputScale.scaled ? null : [
outputScale.sx,
0,
0,
outputScale.sy,
0,
0
];
var renderContext = {
canvasContext: ctx,
transform: transform,
viewport: this.viewport,
renderInteractiveForms: this.renderInteractiveForms
};
var renderTask = this.pdfPage.render(renderContext);
renderTask.onContinue = function (cont) {
showCanvas();
if (result.onRenderContinue) {
result.onRenderContinue(cont);
} else {
cont();
}
};
renderTask.promise.then(function pdfPageRenderCallback() {
showCanvas();
resolveRenderPromise(undefined);
}, function pdfPageRenderError(error) {
showCanvas();
rejectRenderPromise(error);
});
return result;
},
paintOnSvg: function PDFPageView_paintOnSvg(wrapper) {
var cancelled = false;
var ensureNotCancelled = function () {
if (cancelled) {
throw 'cancelled';
}
};
var self = this;
var pdfPage = this.pdfPage;
var SVGGraphics = pdfjsLib.SVGGraphics;
var actualSizeViewport = this.viewport.clone({ scale: CSS_UNITS });
var promise = pdfPage.getOperatorList().then(function (opList) {
ensureNotCancelled();
var svgGfx = new SVGGraphics(pdfPage.commonObjs, pdfPage.objs);
return svgGfx.getSVG(opList, actualSizeViewport).then(function (svg) {
ensureNotCancelled();
self.svg = svg;
self.paintedViewportMap.set(svg, actualSizeViewport);
svg.style.width = wrapper.style.width;
svg.style.height = wrapper.style.height;
self.renderingState = RenderingStates.FINISHED;
wrapper.appendChild(svg);
});
});
return {
promise: promise,
onRenderContinue: function (cont) {
cont();
},
cancel: function () {
cancelled = true;
}
};
},
setPageLabel: function PDFView_setPageLabel(label) {
this.pageLabel = typeof label === 'string' ? label : null;
if (this.pageLabel !== null) {
this.div.setAttribute('data-page-label', this.pageLabel);
} else {
this.div.removeAttribute('data-page-label');
}
}
};
return PDFPageView;
}();
exports.PDFPageView = PDFPageView;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFThumbnailViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFThumbnailView);
}(this, function (exports, uiUtils, pdfThumbnailView) {
var watchScroll = uiUtils.watchScroll;
var getVisibleElements = uiUtils.getVisibleElements;
var scrollIntoView = uiUtils.scrollIntoView;
var PDFThumbnailView = pdfThumbnailView.PDFThumbnailView;
var THUMBNAIL_SCROLL_MARGIN = -19;
var PDFThumbnailViewer = function PDFThumbnailViewerClosure() {
function PDFThumbnailViewer(options) {
this.container = options.container;
this.renderingQueue = options.renderingQueue;
this.linkService = options.linkService;
this.scroll = watchScroll(this.container, this._scrollUpdated.bind(this));
this._resetView();
}
PDFThumbnailViewer.prototype = {
_scrollUpdated: function PDFThumbnailViewer_scrollUpdated() {
this.renderingQueue.renderHighestPriority();
},
getThumbnail: function PDFThumbnailViewer_getThumbnail(index) {
return this.thumbnails[index];
},
_getVisibleThumbs: function PDFThumbnailViewer_getVisibleThumbs() {
return getVisibleElements(this.container, this.thumbnails);
},
scrollThumbnailIntoView: function PDFThumbnailViewer_scrollThumbnailIntoView(page) {
var selected = document.querySelector('.thumbnail.selected');
if (selected) {
selected.classList.remove('selected');
}
var thumbnail = document.querySelector('div.thumbnail[data-page-number="' + page + '"]');
if (thumbnail) {
thumbnail.classList.add('selected');
}
var visibleThumbs = this._getVisibleThumbs();
var numVisibleThumbs = visibleThumbs.views.length;
if (numVisibleThumbs > 0) {
var first = visibleThumbs.first.id;
var last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
if (page <= first || page >= last) {
scrollIntoView(thumbnail, { top: THUMBNAIL_SCROLL_MARGIN });
}
}
},
get pagesRotation() {
return this._pagesRotation;
},
set pagesRotation(rotation) {
this._pagesRotation = rotation;
for (var i = 0, l = this.thumbnails.length; i < l; i++) {
var thumb = this.thumbnails[i];
thumb.update(rotation);
}
},
cleanup: function PDFThumbnailViewer_cleanup() {
var tempCanvas = PDFThumbnailView.tempImageCache;
if (tempCanvas) {
tempCanvas.width = 0;
tempCanvas.height = 0;
}
PDFThumbnailView.tempImageCache = null;
},
_resetView: function PDFThumbnailViewer_resetView() {
this.thumbnails = [];
this._pageLabels = null;
this._pagesRotation = 0;
this._pagesRequests = [];
this.container.textContent = '';
},
setDocument: function PDFThumbnailViewer_setDocument(pdfDocument) {
if (this.pdfDocument) {
this._cancelRendering();
this._resetView();
}
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return Promise.resolve();
}
return pdfDocument.getPage(1).then(function (firstPage) {
var pagesCount = pdfDocument.numPages;
var viewport = firstPage.getViewport(1.0);
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
var thumbnail = new PDFThumbnailView({
container: this.container,
id: pageNum,
defaultViewport: viewport.clone(),
linkService: this.linkService,
renderingQueue: this.renderingQueue,
disableCanvasToImageConversion: false
});
this.thumbnails.push(thumbnail);
}
}.bind(this));
},
_cancelRendering: function PDFThumbnailViewer_cancelRendering() {
for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
if (this.thumbnails[i]) {
this.thumbnails[i].cancelRendering();
}
}
},
setPageLabels: function PDFThumbnailViewer_setPageLabels(labels) {
if (!this.pdfDocument) {
return;
}
if (!labels) {
this._pageLabels = null;
} else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
this._pageLabels = null;
console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.');
} else {
this._pageLabels = labels;
}
for (var i = 0, ii = this.thumbnails.length; i < ii; i++) {
var thumbnailView = this.thumbnails[i];
var label = this._pageLabels && this._pageLabels[i];
thumbnailView.setPageLabel(label);
}
},
_ensurePdfPageLoaded: function PDFThumbnailViewer_ensurePdfPageLoaded(thumbView) {
if (thumbView.pdfPage) {
return Promise.resolve(thumbView.pdfPage);
}
var pageNumber = thumbView.id;
if (this._pagesRequests[pageNumber]) {
return this._pagesRequests[pageNumber];
}
var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
thumbView.setPdfPage(pdfPage);
this._pagesRequests[pageNumber] = null;
return pdfPage;
}.bind(this));
this._pagesRequests[pageNumber] = promise;
return promise;
},
forceRendering: function () {
var visibleThumbs = this._getVisibleThumbs();
var thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this.thumbnails, this.scroll.down);
if (thumbView) {
this._ensurePdfPageLoaded(thumbView).then(function () {
this.renderingQueue.renderView(thumbView);
}.bind(this));
return true;
}
return false;
}
};
return PDFThumbnailViewer;
}();
exports.PDFThumbnailViewer = PDFThumbnailViewer;
}));
(function (root, factory) {
factory(root.pdfjsWebTextLayerBuilder = {}, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
}(this, function (exports, domEvents, pdfjsLib) {
var EXPAND_DIVS_TIMEOUT = 300;
var TextLayerBuilder = function TextLayerBuilderClosure() {
function TextLayerBuilder(options) {
this.textLayerDiv = options.textLayerDiv;
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
this.textContent = null;
this.renderingDone = false;
this.pageIdx = options.pageIndex;
this.pageNumber = this.pageIdx + 1;
this.matches = [];
this.viewport = options.viewport;
this.textDivs = [];
this.findController = options.findController || null;
this.textLayerRenderTask = null;
this.enhanceTextSelection = options.enhanceTextSelection;
this._bindMouse();
}
TextLayerBuilder.prototype = {
_finishRendering: function TextLayerBuilder_finishRendering() {
this.renderingDone = true;
if (!this.enhanceTextSelection) {
var endOfContent = document.createElement('div');
endOfContent.className = 'endOfContent';
this.textLayerDiv.appendChild(endOfContent);
}
this.eventBus.dispatch('textlayerrendered', {
source: this,
pageNumber: this.pageNumber,
numTextDivs: this.textDivs.length
});
},
render: function TextLayerBuilder_render(timeout) {
if (!this.textContent || this.renderingDone) {
return;
}
this.cancel();
this.textDivs = [];
var textLayerFrag = document.createDocumentFragment();
this.textLayerRenderTask = pdfjsLib.renderTextLayer({
textContent: this.textContent,
container: textLayerFrag,
viewport: this.viewport,
textDivs: this.textDivs,
timeout: timeout,
enhanceTextSelection: this.enhanceTextSelection
});
this.textLayerRenderTask.promise.then(function () {
this.textLayerDiv.appendChild(textLayerFrag);
this._finishRendering();
this.updateMatches();
}.bind(this), function (reason) {
});
},
cancel: function TextLayerBuilder_cancel() {
if (this.textLayerRenderTask) {
this.textLayerRenderTask.cancel();
this.textLayerRenderTask = null;
}
},
setTextContent: function TextLayerBuilder_setTextContent(textContent) {
this.cancel();
this.textContent = textContent;
},
convertMatches: function TextLayerBuilder_convertMatches(matches, matchesLength) {
var i = 0;
var iIndex = 0;
var bidiTexts = this.textContent.items;
var end = bidiTexts.length - 1;
var queryLen = this.findController === null ? 0 : this.findController.state.query.length;
var ret = [];
if (!matches) {
return ret;
}
for (var m = 0, len = matches.length; m < len; m++) {
var matchIdx = matches[m];
while (i !== end && matchIdx >= iIndex + bidiTexts[i].str.length) {
iIndex += bidiTexts[i].str.length;
i++;
}
if (i === bidiTexts.length) {
console.error('Could not find a matching mapping');
}
var match = {
begin: {
divIdx: i,
offset: matchIdx - iIndex
}
};
if (matchesLength) {
matchIdx += matchesLength[m];
} else {
matchIdx += queryLen;
}
while (i !== end && matchIdx > iIndex + bidiTexts[i].str.length) {
iIndex += bidiTexts[i].str.length;
i++;
}
match.end = {
divIdx: i,
offset: matchIdx - iIndex
};
ret.push(match);
}
return ret;
},
renderMatches: function TextLayerBuilder_renderMatches(matches) {
if (matches.length === 0) {
return;
}
var bidiTexts = this.textContent.items;
var textDivs = this.textDivs;
var prevEnd = null;
var pageIdx = this.pageIdx;
var isSelectedPage = this.findController === null ? false : pageIdx === this.findController.selected.pageIdx;
var selectedMatchIdx = this.findController === null ? -1 : this.findController.selected.matchIdx;
var highlightAll = this.findController === null ? false : this.findController.state.highlightAll;
var infinity = {
divIdx: -1,
offset: undefined
};
function beginText(begin, className) {
var divIdx = begin.divIdx;
textDivs[divIdx].textContent = '';
appendTextToDiv(divIdx, 0, begin.offset, className);
}
function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
var div = textDivs[divIdx];
var content = bidiTexts[divIdx].str.substring(fromOffset, toOffset);
var node = document.createTextNode(content);
if (className) {
var span = document.createElement('span');
span.className = className;
span.appendChild(node);
div.appendChild(span);
return;
}
div.appendChild(node);
}
var i0 = selectedMatchIdx, i1 = i0 + 1;
if (highlightAll) {
i0 = 0;
i1 = matches.length;
} else if (!isSelectedPage) {
return;
}
for (var i = i0; i < i1; i++) {
var match = matches[i];
var begin = match.begin;
var end = match.end;
var isSelected = isSelectedPage && i === selectedMatchIdx;
var highlightSuffix = isSelected ? ' selected' : '';
if (this.findController) {
this.findController.updateMatchPosition(pageIdx, i, textDivs, begin.divIdx);
}
if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
if (prevEnd !== null) {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
}
beginText(begin);
} else {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
}
if (begin.divIdx === end.divIdx) {
appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix);
} else {
appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix);
for (var n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
textDivs[n0].className = 'highlight middle' + highlightSuffix;
}
beginText(end, 'highlight end' + highlightSuffix);
}
prevEnd = end;
}
if (prevEnd) {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
}
},
updateMatches: function TextLayerBuilder_updateMatches() {
if (!this.renderingDone) {
return;
}
var matches = this.matches;
var textDivs = this.textDivs;
var bidiTexts = this.textContent.items;
var clearedUntilDivIdx = -1;
for (var i = 0, len = matches.length; i < len; i++) {
var match = matches[i];
var begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
for (var n = begin, end = match.end.divIdx; n <= end; n++) {
var div = textDivs[n];
div.textContent = bidiTexts[n].str;
div.className = '';
}
clearedUntilDivIdx = match.end.divIdx + 1;
}
if (this.findController === null || !this.findController.active) {
return;
}
var pageMatches, pageMatchesLength;
if (this.findController !== null) {
pageMatches = this.findController.pageMatches[this.pageIdx] || null;
pageMatchesLength = this.findController.pageMatchesLength ? this.findController.pageMatchesLength[this.pageIdx] || null : null;
}
this.matches = this.convertMatches(pageMatches, pageMatchesLength);
this.renderMatches(this.matches);
},
_bindMouse: function TextLayerBuilder_bindMouse() {
var div = this.textLayerDiv;
var self = this;
var expandDivsTimer = null;
div.addEventListener('mousedown', function (e) {
if (self.enhanceTextSelection && self.textLayerRenderTask) {
self.textLayerRenderTask.expandTextDivs(true);
if (expandDivsTimer) {
clearTimeout(expandDivsTimer);
expandDivsTimer = null;
}
return;
}
var end = div.querySelector('.endOfContent');
if (!end) {
return;
}
var adjustTop = e.target !== div;
adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none';
if (adjustTop) {
var divBounds = div.getBoundingClientRect();
var r = Math.max(0, (e.pageY - divBounds.top) / divBounds.height);
end.style.top = (r * 100).toFixed(2) + '%';
}
end.classList.add('active');
});
div.addEventListener('mouseup', function (e) {
if (self.enhanceTextSelection && self.textLayerRenderTask) {
expandDivsTimer = setTimeout(function () {
if (self.textLayerRenderTask) {
self.textLayerRenderTask.expandTextDivs(false);
}
expandDivsTimer = null;
}, EXPAND_DIVS_TIMEOUT);
return;
}
var end = div.querySelector('.endOfContent');
if (!end) {
return;
}
end.style.top = '';
end.classList.remove('active');
});
}
};
return TextLayerBuilder;
}();
function DefaultTextLayerFactory() {
}
DefaultTextLayerFactory.prototype = {
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
return new TextLayerBuilder({
textLayerDiv: textLayerDiv,
pageIndex: pageIndex,
viewport: viewport,
enhanceTextSelection: enhanceTextSelection
});
}
};
exports.TextLayerBuilder = TextLayerBuilder;
exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
}));
(function (root, factory) {
factory(root.pdfjsWebAnnotationLayerBuilder = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFJS);
}(this, function (exports, uiUtils, pdfLinkService, pdfjsLib) {
var mozL10n = uiUtils.mozL10n;
var SimpleLinkService = pdfLinkService.SimpleLinkService;
var AnnotationLayerBuilder = function AnnotationLayerBuilderClosure() {
function AnnotationLayerBuilder(options) {
this.pageDiv = options.pageDiv;
this.pdfPage = options.pdfPage;
this.renderInteractiveForms = options.renderInteractiveForms;
this.linkService = options.linkService;
this.downloadManager = options.downloadManager;
this.div = null;
}
AnnotationLayerBuilder.prototype = {
render: function AnnotationLayerBuilder_render(viewport, intent) {
var self = this;
var parameters = { intent: intent === undefined ? 'display' : intent };
this.pdfPage.getAnnotations(parameters).then(function (annotations) {
viewport = viewport.clone({ dontFlip: true });
parameters = {
viewport: viewport,
div: self.div,
annotations: annotations,
page: self.pdfPage,
renderInteractiveForms: self.renderInteractiveForms,
linkService: self.linkService,
downloadManager: self.downloadManager
};
if (self.div) {
pdfjsLib.AnnotationLayer.update(parameters);
} else {
if (annotations.length === 0) {
return;
}
self.div = document.createElement('div');
self.div.className = 'annotationLayer';
self.pageDiv.appendChild(self.div);
parameters.div = self.div;
pdfjsLib.AnnotationLayer.render(parameters);
if (typeof mozL10n !== 'undefined') {
mozL10n.translate(self.div);
}
}
});
},
hide: function AnnotationLayerBuilder_hide() {
if (!this.div) {
return;
}
this.div.setAttribute('hidden', 'true');
}
};
return AnnotationLayerBuilder;
}();
function DefaultAnnotationLayerFactory() {
}
DefaultAnnotationLayerFactory.prototype = {
createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
return new AnnotationLayerBuilder({
pageDiv: pageDiv,
pdfPage: pdfPage,
renderInteractiveForms: renderInteractiveForms,
linkService: new SimpleLinkService()
});
}
};
exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFViewer = {}, root.pdfjsWebUIUtils, root.pdfjsWebPDFPageView, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebTextLayerBuilder, root.pdfjsWebAnnotationLayerBuilder, root.pdfjsWebPDFLinkService, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
}(this, function (exports, uiUtils, pdfPageView, pdfRenderingQueue, textLayerBuilder, annotationLayerBuilder, pdfLinkService, domEvents, pdfjsLib) {
var UNKNOWN_SCALE = uiUtils.UNKNOWN_SCALE;
var SCROLLBAR_PADDING = uiUtils.SCROLLBAR_PADDING;
var VERTICAL_PADDING = uiUtils.VERTICAL_PADDING;
var MAX_AUTO_SCALE = uiUtils.MAX_AUTO_SCALE;
var CSS_UNITS = uiUtils.CSS_UNITS;
var DEFAULT_SCALE = uiUtils.DEFAULT_SCALE;
var DEFAULT_SCALE_VALUE = uiUtils.DEFAULT_SCALE_VALUE;
var RendererType = uiUtils.RendererType;
var scrollIntoView = uiUtils.scrollIntoView;
var watchScroll = uiUtils.watchScroll;
var getVisibleElements = uiUtils.getVisibleElements;
var PDFPageView = pdfPageView.PDFPageView;
var RenderingStates = pdfRenderingQueue.RenderingStates;
var PDFRenderingQueue = pdfRenderingQueue.PDFRenderingQueue;
var TextLayerBuilder = textLayerBuilder.TextLayerBuilder;
var AnnotationLayerBuilder = annotationLayerBuilder.AnnotationLayerBuilder;
var SimpleLinkService = pdfLinkService.SimpleLinkService;
var PresentationModeState = {
UNKNOWN: 0,
NORMAL: 1,
CHANGING: 2,
FULLSCREEN: 3
};
var DEFAULT_CACHE_SIZE = 10;
var PDFViewer = function pdfViewer() {
function PDFPageViewBuffer(size) {
var data = [];
this.push = function cachePush(view) {
var i = data.indexOf(view);
if (i >= 0) {
data.splice(i, 1);
}
data.push(view);
if (data.length > size) {
data.shift().destroy();
}
};
this.resize = function (newSize) {
size = newSize;
while (data.length > size) {
data.shift().destroy();
}
};
}
function isSameScale(oldScale, newScale) {
if (newScale === oldScale) {
return true;
}
if (Math.abs(newScale - oldScale) < 1e-15) {
return true;
}
return false;
}
function PDFViewer(options) {
this.container = options.container;
this.viewer = options.viewer || options.container.firstElementChild;
this.eventBus = options.eventBus || domEvents.getGlobalEventBus();
this.linkService = options.linkService || new SimpleLinkService();
this.downloadManager = options.downloadManager || null;
this.removePageBorders = options.removePageBorders || false;
this.enhanceTextSelection = options.enhanceTextSelection || false;
this.renderInteractiveForms = options.renderInteractiveForms || false;
this.renderer = options.renderer || RendererType.CANVAS;
this.defaultRenderingQueue = !options.renderingQueue;
if (this.defaultRenderingQueue) {
this.renderingQueue = new PDFRenderingQueue();
this.renderingQueue.setViewer(this);
} else {
this.renderingQueue = options.renderingQueue;
}
this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this));
this.presentationModeState = PresentationModeState.UNKNOWN;
this._resetView();
if (this.removePageBorders) {
this.viewer.classList.add('removePageBorders');
}
}
PDFViewer.prototype = {
get pagesCount() {
return this._pages.length;
},
getPageView: function (index) {
return this._pages[index];
},
get pageViewsReady() {
return this._pageViewsReady;
},
get currentPageNumber() {
return this._currentPageNumber;
},
set currentPageNumber(val) {
if ((val | 0) !== val) {
throw new Error('Invalid page number.');
}
if (!this.pdfDocument) {
this._currentPageNumber = val;
return;
}
this._setCurrentPageNumber(val, true);
},
_setCurrentPageNumber: function PDFViewer_setCurrentPageNumber(val, resetCurrentPageView) {
if (this._currentPageNumber === val) {
if (resetCurrentPageView) {
this._resetCurrentPageView();
}
return;
}
if (!(0 < val && val <= this.pagesCount)) {
console.error('PDFViewer_setCurrentPageNumber: "' + val + '" is out of bounds.');
return;
}
var arg = {
source: this,
pageNumber: val,
pageLabel: this._pageLabels && this._pageLabels[val - 1]
};
this._currentPageNumber = val;
this.eventBus.dispatch('pagechanging', arg);
this.eventBus.dispatch('pagechange', arg);
if (resetCurrentPageView) {
this._resetCurrentPageView();
}
},
get currentPageLabel() {
return this._pageLabels && this._pageLabels[this._currentPageNumber - 1];
},
set currentPageLabel(val) {
var pageNumber = val | 0;
if (this._pageLabels) {
var i = this._pageLabels.indexOf(val);
if (i >= 0) {
pageNumber = i + 1;
}
}
this.currentPageNumber = pageNumber;
},
get currentScale() {
return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE;
},
set currentScale(val) {
if (isNaN(val)) {
throw new Error('Invalid numeric scale');
}
if (!this.pdfDocument) {
this._currentScale = val;
this._currentScaleValue = val !== UNKNOWN_SCALE ? val.toString() : null;
return;
}
this._setScale(val, false);
},
get currentScaleValue() {
return this._currentScaleValue;
},
set currentScaleValue(val) {
if (!this.pdfDocument) {
this._currentScale = isNaN(val) ? UNKNOWN_SCALE : val;
this._currentScaleValue = val.toString();
return;
}
this._setScale(val, false);
},
get pagesRotation() {
return this._pagesRotation;
},
set pagesRotation(rotation) {
if (!(typeof rotation === 'number' && rotation % 90 === 0)) {
throw new Error('Invalid pages rotation angle.');
}
this._pagesRotation = rotation;
if (!this.pdfDocument) {
return;
}
for (var i = 0, l = this._pages.length; i < l; i++) {
var pageView = this._pages[i];
pageView.update(pageView.scale, rotation);
}
this._setScale(this._currentScaleValue, true);
if (this.defaultRenderingQueue) {
this.update();
}
},
setDocument: function (pdfDocument) {
if (this.pdfDocument) {
this._cancelRendering();
this._resetView();
}
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
var pagesCount = pdfDocument.numPages;
var self = this;
var resolvePagesPromise;
var pagesPromise = new Promise(function (resolve) {
resolvePagesPromise = resolve;
});
this.pagesPromise = pagesPromise;
pagesPromise.then(function () {
self._pageViewsReady = true;
self.eventBus.dispatch('pagesloaded', {
source: self,
pagesCount: pagesCount
});
});
var isOnePageRenderedResolved = false;
var resolveOnePageRendered = null;
var onePageRendered = new Promise(function (resolve) {
resolveOnePageRendered = resolve;
});
this.onePageRendered = onePageRendered;
var bindOnAfterAndBeforeDraw = function (pageView) {
pageView.onBeforeDraw = function pdfViewLoadOnBeforeDraw() {
self._buffer.push(this);
};
pageView.onAfterDraw = function pdfViewLoadOnAfterDraw() {
if (!isOnePageRenderedResolved) {
isOnePageRenderedResolved = true;
resolveOnePageRendered();
}
};
};
var firstPagePromise = pdfDocument.getPage(1);
this.firstPagePromise = firstPagePromise;
return firstPagePromise.then(function (pdfPage) {
var scale = this.currentScale;
var viewport = pdfPage.getViewport(scale * CSS_UNITS);
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
var textLayerFactory = null;
if (!pdfjsLib.PDFJS.disableTextLayer) {
textLayerFactory = this;
}
var pageView = new PDFPageView({
container: this.viewer,
eventBus: this.eventBus,
id: pageNum,
scale: scale,
defaultViewport: viewport.clone(),
renderingQueue: this.renderingQueue,
textLayerFactory: textLayerFactory,
annotationLayerFactory: this,
enhanceTextSelection: this.enhanceTextSelection,
renderInteractiveForms: this.renderInteractiveForms,
renderer: this.renderer
});
bindOnAfterAndBeforeDraw(pageView);
this._pages.push(pageView);
}
var linkService = this.linkService;
onePageRendered.then(function () {
if (!pdfjsLib.PDFJS.disableAutoFetch) {
var getPagesLeft = pagesCount;
for (var pageNum = 1; pageNum <= pagesCount; ++pageNum) {
pdfDocument.getPage(pageNum).then(function (pageNum, pdfPage) {
var pageView = self._pages[pageNum - 1];
if (!pageView.pdfPage) {
pageView.setPdfPage(pdfPage);
}
linkService.cachePageRef(pageNum, pdfPage.ref);
getPagesLeft--;
if (!getPagesLeft) {
resolvePagesPromise();
}
}.bind(null, pageNum));
}
} else {
resolvePagesPromise();
}
});
self.eventBus.dispatch('pagesinit', { source: self });
if (this.defaultRenderingQueue) {
this.update();
}
if (this.findController) {
this.findController.resolveFirstPage();
}
}.bind(this));
},
setPageLabels: function PDFViewer_setPageLabels(labels) {
if (!this.pdfDocument) {
return;
}
if (!labels) {
this._pageLabels = null;
} else if (!(labels instanceof Array && this.pdfDocument.numPages === labels.length)) {
this._pageLabels = null;
console.error('PDFViewer_setPageLabels: Invalid page labels.');
} else {
this._pageLabels = labels;
}
for (var i = 0, ii = this._pages.length; i < ii; i++) {
var pageView = this._pages[i];
var label = this._pageLabels && this._pageLabels[i];
pageView.setPageLabel(label);
}
},
_resetView: function () {
this._pages = [];
this._currentPageNumber = 1;
this._currentScale = UNKNOWN_SCALE;
this._currentScaleValue = null;
this._pageLabels = null;
this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
this._location = null;
this._pagesRotation = 0;
this._pagesRequests = [];
this._pageViewsReady = false;
this.viewer.textContent = '';
},
_scrollUpdate: function PDFViewer_scrollUpdate() {
if (this.pagesCount === 0) {
return;
}
this.update();
for (var i = 0, ii = this._pages.length; i < ii; i++) {
this._pages[i].updatePosition();
}
},
_setScaleDispatchEvent: function pdfViewer_setScaleDispatchEvent(newScale, newValue, preset) {
var arg = {
source: this,
scale: newScale,
presetValue: preset ? newValue : undefined
};
this.eventBus.dispatch('scalechanging', arg);
this.eventBus.dispatch('scalechange', arg);
},
_setScaleUpdatePages: function pdfViewer_setScaleUpdatePages(newScale, newValue, noScroll, preset) {
this._currentScaleValue = newValue.toString();
if (isSameScale(this._currentScale, newScale)) {
if (preset) {
this._setScaleDispatchEvent(newScale, newValue, true);
}
return;
}
for (var i = 0, ii = this._pages.length; i < ii; i++) {
this._pages[i].update(newScale);
}
this._currentScale = newScale;
if (!noScroll) {
var page = this._currentPageNumber, dest;
if (this._location && !pdfjsLib.PDFJS.ignoreCurrentPositionOnZoom && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
page = this._location.pageNumber;
dest = [
null,
{ name: 'XYZ' },
this._location.left,
this._location.top,
null
];
}
this.scrollPageIntoView({
pageNumber: page,
destArray: dest,
allowNegativeOffset: true
});
}
this._setScaleDispatchEvent(newScale, newValue, preset);
if (this.defaultRenderingQueue) {
this.update();
}
},
_setScale: function PDFViewer_setScale(value, noScroll) {
var scale = parseFloat(value);
if (scale > 0) {
this._setScaleUpdatePages(scale, value, noScroll, false);
} else {
var currentPage = this._pages[this._currentPageNumber - 1];
if (!currentPage) {
return;
}
var hPadding = this.isInPresentationMode || this.removePageBorders ? 0 : SCROLLBAR_PADDING;
var vPadding = this.isInPresentationMode || this.removePageBorders ? 0 : VERTICAL_PADDING;
var pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale;
var pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
switch (value) {
case 'page-actual':
scale = 1;
break;
case 'page-width':
scale = pageWidthScale;
break;
case 'page-height':
scale = pageHeightScale;
break;
case 'page-fit':
scale = Math.min(pageWidthScale, pageHeightScale);
break;
case 'auto':
var isLandscape = currentPage.width > currentPage.height;
var horizontalScale = isLandscape ? Math.min(pageHeightScale, pageWidthScale) : pageWidthScale;
scale = Math.min(MAX_AUTO_SCALE, horizontalScale);
break;
default:
console.error('PDFViewer_setScale: "' + value + '" is an unknown zoom value.');
return;
}
this._setScaleUpdatePages(scale, value, noScroll, true);
}
},
_resetCurrentPageView: function () {
if (this.isInPresentationMode) {
this._setScale(this._currentScaleValue, true);
}
var pageView = this._pages[this._currentPageNumber - 1];
scrollIntoView(pageView.div);
},
scrollPageIntoView: function PDFViewer_scrollPageIntoView(params) {
if (!this.pdfDocument) {
return;
}
if (arguments.length > 1 || typeof params === 'number') {
console.warn('Call of scrollPageIntoView() with obsolete signature.');
var paramObj = {};
if (typeof params === 'number') {
paramObj.pageNumber = params;
}
if (arguments[1] instanceof Array) {
paramObj.destArray = arguments[1];
}
params = paramObj;
}
var pageNumber = params.pageNumber || 0;
var dest = params.destArray || null;
var allowNegativeOffset = params.allowNegativeOffset || false;
if (this.isInPresentationMode || !dest) {
this._setCurrentPageNumber(pageNumber, true);
return;
}
var pageView = this._pages[pageNumber - 1];
if (!pageView) {
console.error('PDFViewer_scrollPageIntoView: ' + 'Invalid "pageNumber" parameter.');
return;
}
var x = 0, y = 0;
var width = 0, height = 0, widthScale, heightScale;
var changeOrientation = pageView.rotation % 180 === 0 ? false : true;
var pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / CSS_UNITS;
var pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / CSS_UNITS;
var scale = 0;
switch (dest[1].name) {
case 'XYZ':
x = dest[2];
y = dest[3];
scale = dest[4];
x = x !== null ? x : 0;
y = y !== null ? y : pageHeight;
break;
case 'Fit':
case 'FitB':
scale = 'page-fit';
break;
case 'FitH':
case 'FitBH':
y = dest[2];
scale = 'page-width';
if (y === null && this._location) {
x = this._location.left;
y = this._location.top;
}
break;
case 'FitV':
case 'FitBV':
x = dest[2];
width = pageWidth;
height = pageHeight;
scale = 'page-height';
break;
case 'FitR':
x = dest[2];
y = dest[3];
width = dest[4] - x;
height = dest[5] - y;
var hPadding = this.removePageBorders ? 0 : SCROLLBAR_PADDING;
var vPadding = this.removePageBorders ? 0 : VERTICAL_PADDING;
widthScale = (this.container.clientWidth - hPadding) / width / CSS_UNITS;
heightScale = (this.container.clientHeight - vPadding) / height / CSS_UNITS;
scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
break;
default:
console.error('PDFViewer_scrollPageIntoView: \'' + dest[1].name + '\' is not a valid destination type.');
return;
}
if (scale && scale !== this._currentScale) {
this.currentScaleValue = scale;
} else if (this._currentScale === UNKNOWN_SCALE) {
this.currentScaleValue = DEFAULT_SCALE_VALUE;
}
if (scale === 'page-fit' && !dest[4]) {
scrollIntoView(pageView.div);
return;
}
var boundingRect = [
pageView.viewport.convertToViewportPoint(x, y),
pageView.viewport.convertToViewportPoint(x + width, y + height)
];
var left = Math.min(boundingRect[0][0], boundingRect[1][0]);
var top = Math.min(boundingRect[0][1], boundingRect[1][1]);
if (!allowNegativeOffset) {
left = Math.max(left, 0);
top = Math.max(top, 0);
}
scrollIntoView(pageView.div, {
left: left,
top: top
});
},
_updateLocation: function (firstPage) {
var currentScale = this._currentScale;
var currentScaleValue = this._currentScaleValue;
var normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
var pageNumber = firstPage.id;
var pdfOpenParams = '#page=' + pageNumber;
pdfOpenParams += '&zoom=' + normalizedScaleValue;
var currentPageView = this._pages[pageNumber - 1];
var container = this.container;
var topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
var intLeft = Math.round(topLeft[0]);
var intTop = Math.round(topLeft[1]);
pdfOpenParams += ',' + intLeft + ',' + intTop;
this._location = {
pageNumber: pageNumber,
scale: normalizedScaleValue,
top: intTop,
left: intLeft,
pdfOpenParams: pdfOpenParams
};
},
update: function PDFViewer_update() {
var visible = this._getVisiblePages();
var visiblePages = visible.views;
if (visiblePages.length === 0) {
return;
}
var suggestedCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * visiblePages.length + 1);
this._buffer.resize(suggestedCacheSize);
this.renderingQueue.renderHighestPriority(visible);
var currentId = this._currentPageNumber;
var firstPage = visible.first;
for (var i = 0, ii = visiblePages.length, stillFullyVisible = false; i < ii; ++i) {
var page = visiblePages[i];
if (page.percent < 100) {
break;
}
if (page.id === currentId) {
stillFullyVisible = true;
break;
}
}
if (!stillFullyVisible) {
currentId = visiblePages[0].id;
}
if (!this.isInPresentationMode) {
this._setCurrentPageNumber(currentId);
}
this._updateLocation(firstPage);
this.eventBus.dispatch('updateviewarea', {
source: this,
location: this._location
});
},
containsElement: function (element) {
return this.container.contains(element);
},
focus: function () {
this.container.focus();
},
get isInPresentationMode() {
return this.presentationModeState === PresentationModeState.FULLSCREEN;
},
get isChangingPresentationMode() {
return this.presentationModeState === PresentationModeState.CHANGING;
},
get isHorizontalScrollbarEnabled() {
return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
},
_getVisiblePages: function () {
if (!this.isInPresentationMode) {
return getVisibleElements(this.container, this._pages, true);
}
var visible = [];
var currentPage = this._pages[this._currentPageNumber - 1];
visible.push({
id: currentPage.id,
view: currentPage
});
return {
first: currentPage,
last: currentPage,
views: visible
};
},
cleanup: function () {
for (var i = 0, ii = this._pages.length; i < ii; i++) {
if (this._pages[i] && this._pages[i].renderingState !== RenderingStates.FINISHED) {
this._pages[i].reset();
}
}
},
_cancelRendering: function PDFViewer_cancelRendering() {
for (var i = 0, ii = this._pages.length; i < ii; i++) {
if (this._pages[i]) {
this._pages[i].cancelRendering();
}
}
},
_ensurePdfPageLoaded: function (pageView) {
if (pageView.pdfPage) {
return Promise.resolve(pageView.pdfPage);
}
var pageNumber = pageView.id;
if (this._pagesRequests[pageNumber]) {
return this._pagesRequests[pageNumber];
}
var promise = this.pdfDocument.getPage(pageNumber).then(function (pdfPage) {
pageView.setPdfPage(pdfPage);
this._pagesRequests[pageNumber] = null;
return pdfPage;
}.bind(this));
this._pagesRequests[pageNumber] = promise;
return promise;
},
forceRendering: function (currentlyVisiblePages) {
var visiblePages = currentlyVisiblePages || this._getVisiblePages();
var pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, this.scroll.down);
if (pageView) {
this._ensurePdfPageLoaded(pageView).then(function () {
this.renderingQueue.renderView(pageView);
}.bind(this));
return true;
}
return false;
},
getPageTextContent: function (pageIndex) {
return this.pdfDocument.getPage(pageIndex + 1).then(function (page) {
return page.getTextContent({ normalizeWhitespace: true });
});
},
createTextLayerBuilder: function (textLayerDiv, pageIndex, viewport, enhanceTextSelection) {
return new TextLayerBuilder({
textLayerDiv: textLayerDiv,
eventBus: this.eventBus,
pageIndex: pageIndex,
viewport: viewport,
findController: this.isInPresentationMode ? null : this.findController,
enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
});
},
createAnnotationLayerBuilder: function (pageDiv, pdfPage, renderInteractiveForms) {
return new AnnotationLayerBuilder({
pageDiv: pageDiv,
pdfPage: pdfPage,
renderInteractiveForms: renderInteractiveForms,
linkService: this.linkService,
downloadManager: this.downloadManager
});
},
setFindController: function (findController) {
this.findController = findController;
},
getPagesOverview: function () {
return this._pages.map(function (pageView) {
var viewport = pageView.pdfPage.getViewport(1);
return {
width: viewport.width,
height: viewport.height
};
});
}
};
return PDFViewer;
}();
exports.PresentationModeState = PresentationModeState;
exports.PDFViewer = PDFViewer;
}));
(function (root, factory) {
factory(root.pdfjsWebApp = {}, root.pdfjsWebUIUtils, root.pdfjsWebDownloadManager, root.pdfjsWebPDFHistory, root.pdfjsWebPreferences, root.pdfjsWebPDFSidebar, root.pdfjsWebViewHistory, root.pdfjsWebPDFThumbnailViewer, root.pdfjsWebToolbar, root.pdfjsWebSecondaryToolbar, root.pdfjsWebPasswordPrompt, root.pdfjsWebPDFPresentationMode, root.pdfjsWebPDFDocumentProperties, root.pdfjsWebHandTool, root.pdfjsWebPDFViewer, root.pdfjsWebPDFRenderingQueue, root.pdfjsWebPDFLinkService, root.pdfjsWebPDFOutlineViewer, root.pdfjsWebOverlayManager, root.pdfjsWebPDFAttachmentViewer, root.pdfjsWebPDFFindController, root.pdfjsWebPDFFindBar, root.pdfjsWebDOMEvents, root.pdfjsWebPDFJS);
}(this, function (exports, uiUtilsLib, downloadManagerLib, pdfHistoryLib, preferencesLib, pdfSidebarLib, viewHistoryLib, pdfThumbnailViewerLib, toolbarLib, secondaryToolbarLib, passwordPromptLib, pdfPresentationModeLib, pdfDocumentPropertiesLib, handToolLib, pdfViewerLib, pdfRenderingQueueLib, pdfLinkServiceLib, pdfOutlineViewerLib, overlayManagerLib, pdfAttachmentViewerLib, pdfFindControllerLib, pdfFindBarLib, domEventsLib, pdfjsLib) {
var UNKNOWN_SCALE = uiUtilsLib.UNKNOWN_SCALE;
var DEFAULT_SCALE_VALUE = uiUtilsLib.DEFAULT_SCALE_VALUE;
var MIN_SCALE = uiUtilsLib.MIN_SCALE;
var MAX_SCALE = uiUtilsLib.MAX_SCALE;
var ProgressBar = uiUtilsLib.ProgressBar;
var getPDFFileNameFromURL = uiUtilsLib.getPDFFileNameFromURL;
var noContextMenuHandler = uiUtilsLib.noContextMenuHandler;
var mozL10n = uiUtilsLib.mozL10n;
var parseQueryString = uiUtilsLib.parseQueryString;
var PDFHistory = pdfHistoryLib.PDFHistory;
var Preferences = preferencesLib.Preferences;
var SidebarView = pdfSidebarLib.SidebarView;
var PDFSidebar = pdfSidebarLib.PDFSidebar;
var ViewHistory = viewHistoryLib.ViewHistory;
var PDFThumbnailViewer = pdfThumbnailViewerLib.PDFThumbnailViewer;
var Toolbar = toolbarLib.Toolbar;
var SecondaryToolbar = secondaryToolbarLib.SecondaryToolbar;
var PasswordPrompt = passwordPromptLib.PasswordPrompt;
var PDFPresentationMode = pdfPresentationModeLib.PDFPresentationMode;
var PDFDocumentProperties = pdfDocumentPropertiesLib.PDFDocumentProperties;
var HandTool = handToolLib.HandTool;
var PresentationModeState = pdfViewerLib.PresentationModeState;
var PDFViewer = pdfViewerLib.PDFViewer;
var RenderingStates = pdfRenderingQueueLib.RenderingStates;
var PDFRenderingQueue = pdfRenderingQueueLib.PDFRenderingQueue;
var PDFLinkService = pdfLinkServiceLib.PDFLinkService;
var PDFOutlineViewer = pdfOutlineViewerLib.PDFOutlineViewer;
var OverlayManager = overlayManagerLib.OverlayManager;
var PDFAttachmentViewer = pdfAttachmentViewerLib.PDFAttachmentViewer;
var PDFFindController = pdfFindControllerLib.PDFFindController;
var PDFFindBar = pdfFindBarLib.PDFFindBar;
var getGlobalEventBus = domEventsLib.getGlobalEventBus;
var normalizeWheelEventDelta = uiUtilsLib.normalizeWheelEventDelta;
var animationStarted = uiUtilsLib.animationStarted;
var localized = uiUtilsLib.localized;
var RendererType = uiUtilsLib.RendererType;
var DEFAULT_SCALE_DELTA = 1.1;
var DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
function configure(PDFJS) {
PDFJS.imageResourcesPath = './images/';
PDFJS.workerSrc = '../build/pdf.worker.js';
PDFJS.cMapUrl = '../web/cmaps/';
PDFJS.cMapPacked = true;
}
var DefaultExernalServices = {
updateFindControlState: function (data) {
},
initPassiveLoading: function (callbacks) {
},
fallback: function (data, callback) {
},
reportTelemetry: function (data) {
},
createDownloadManager: function () {
return new downloadManagerLib.DownloadManager();
},
supportsIntegratedFind: false,
supportsDocumentFonts: true,
supportsDocumentColors: true,
supportedMouseWheelZoomModifierKeys: {
ctrlKey: true,
metaKey: true
}
};
var PDFViewerApplication = {
initialBookmark: document.location.hash.substring(1),
initialDestination: null,
initialized: false,
fellback: false,
appConfig: null,
pdfDocument: null,
pdfLoadingTask: null,
printService: null,
pdfViewer: null,
pdfThumbnailViewer: null,
pdfRenderingQueue: null,
pdfPresentationMode: null,
pdfDocumentProperties: null,
pdfLinkService: null,
pdfHistory: null,
pdfSidebar: null,
pdfOutlineViewer: null,
pdfAttachmentViewer: null,
store: null,
downloadManager: null,
toolbar: null,
secondaryToolbar: null,
eventBus: null,
pageRotation: 0,
isInitialViewSet: false,
viewerPrefs: {
sidebarViewOnLoad: SidebarView.NONE,
pdfBugEnabled: false,
showPreviousViewOnLoad: true,
defaultZoomValue: '',
disablePageLabels: false,
renderer: 'canvas',
enhanceTextSelection: false,
renderInteractiveForms: false
},
isViewerEmbedded: window.parent !== window,
url: '',
baseUrl: '',
externalServices: DefaultExernalServices,
initialize: function pdfViewInitialize(appConfig) {
var self = this;
var PDFJS = pdfjsLib.PDFJS;
Preferences.initialize();
this.preferences = Preferences;
configure(PDFJS);
this.appConfig = appConfig;
return this._readPreferences().then(function () {
return self._initializeViewerComponents();
}).then(function () {
self.bindEvents();
self.bindWindowEvents();
localized.then(function () {
self.eventBus.dispatch('localized');
});
if (self.isViewerEmbedded && !PDFJS.isExternalLinkTargetSet()) {
PDFJS.externalLinkTarget = PDFJS.LinkTarget.TOP;
}
self.initialized = true;
});
},
_readPreferences: function () {
var self = this;
var PDFJS = pdfjsLib.PDFJS;
return Promise.all([
Preferences.get('enableWebGL').then(function resolved(value) {
PDFJS.disableWebGL = !value;
}),
Preferences.get('sidebarViewOnLoad').then(function resolved(value) {
self.viewerPrefs['sidebarViewOnLoad'] = value;
}),
Preferences.get('pdfBugEnabled').then(function resolved(value) {
self.viewerPrefs['pdfBugEnabled'] = value;
}),
Preferences.get('showPreviousViewOnLoad').then(function resolved(value) {
self.viewerPrefs['showPreviousViewOnLoad'] = value;
}),
Preferences.get('defaultZoomValue').then(function resolved(value) {
self.viewerPrefs['defaultZoomValue'] = value;
}),
Preferences.get('enhanceTextSelection').then(function resolved(value) {
self.viewerPrefs['enhanceTextSelection'] = 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;
}),
Preferences.get('externalLinkTarget').then(function resolved(value) {
if (PDFJS.isExternalLinkTargetSet()) {
return;
}
PDFJS.externalLinkTarget = value;
}),
Preferences.get('renderer').then(function resolved(value) {
self.viewerPrefs['renderer'] = value;
}),
Preferences.get('renderInteractiveForms').then(function resolved(value) {
self.viewerPrefs['renderInteractiveForms'] = value;
}),
Preferences.get('disablePageLabels').then(function resolved(value) {
self.viewerPrefs['disablePageLabels'] = value;
})
]).catch(function (reason) {
});
},
_initializeViewerComponents: function () {
var self = this;
var appConfig = this.appConfig;
return new Promise(function (resolve, reject) {
var eventBus = appConfig.eventBus || getGlobalEventBus();
self.eventBus = eventBus;
var pdfRenderingQueue = new PDFRenderingQueue();
pdfRenderingQueue.onIdle = self.cleanup.bind(self);
self.pdfRenderingQueue = pdfRenderingQueue;
var pdfLinkService = new PDFLinkService({ eventBus: eventBus });
self.pdfLinkService = pdfLinkService;
var downloadManager = self.externalServices.createDownloadManager();
self.downloadManager = downloadManager;
var container = appConfig.mainContainer;
var viewer = appConfig.viewerContainer;
self.pdfViewer = new PDFViewer({
container: container,
viewer: viewer,
eventBus: eventBus,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService,
downloadManager: downloadManager,
renderer: self.viewerPrefs['renderer'],
enhanceTextSelection: self.viewerPrefs['enhanceTextSelection'],
renderInteractiveForms: self.viewerPrefs['renderInteractiveForms']
});
pdfRenderingQueue.setViewer(self.pdfViewer);
pdfLinkService.setViewer(self.pdfViewer);
var thumbnailContainer = appConfig.sidebar.thumbnailView;
self.pdfThumbnailViewer = new PDFThumbnailViewer({
container: thumbnailContainer,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService
});
pdfRenderingQueue.setThumbnailViewer(self.pdfThumbnailViewer);
self.pdfHistory = new PDFHistory({
linkService: pdfLinkService,
eventBus: eventBus
});
pdfLinkService.setHistory(self.pdfHistory);
self.findController = new PDFFindController({ pdfViewer: self.pdfViewer });
self.findController.onUpdateResultsCount = function (matchCount) {
if (self.supportsIntegratedFind) {
return;
}
self.findBar.updateResultsCount(matchCount);
};
self.findController.onUpdateState = function (state, previous, matchCount) {
if (self.supportsIntegratedFind) {
self.externalServices.updateFindControlState({
result: state,
findPrevious: previous
});
} else {
self.findBar.updateUIState(state, previous, matchCount);
}
};
self.pdfViewer.setFindController(self.findController);
var findBarConfig = Object.create(appConfig.findBar);
findBarConfig.findController = self.findController;
findBarConfig.eventBus = eventBus;
self.findBar = new PDFFindBar(findBarConfig);
self.overlayManager = OverlayManager;
self.handTool = new HandTool({
container: container,
eventBus: eventBus
});
self.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties);
self.toolbar = new Toolbar(appConfig.toolbar, container, eventBus);
self.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
if (self.supportsFullscreen) {
self.pdfPresentationMode = new PDFPresentationMode({
container: container,
viewer: viewer,
pdfViewer: self.pdfViewer,
eventBus: eventBus,
contextMenuItems: appConfig.fullscreen
});
}
self.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay);
self.pdfOutlineViewer = new PDFOutlineViewer({
container: appConfig.sidebar.outlineView,
eventBus: eventBus,
linkService: pdfLinkService
});
self.pdfAttachmentViewer = new PDFAttachmentViewer({
container: appConfig.sidebar.attachmentsView,
eventBus: eventBus,
downloadManager: downloadManager
});
var sidebarConfig = Object.create(appConfig.sidebar);
sidebarConfig.pdfViewer = self.pdfViewer;
sidebarConfig.pdfThumbnailViewer = self.pdfThumbnailViewer;
sidebarConfig.pdfOutlineViewer = self.pdfOutlineViewer;
sidebarConfig.eventBus = eventBus;
self.pdfSidebar = new PDFSidebar(sidebarConfig);
self.pdfSidebar.onToggled = self.forceRendering.bind(self);
resolve(undefined);
});
},
run: function pdfViewRun(config) {
this.initialize(config).then(webViewerInitialized);
},
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 ? this.pdfDocument.numPages : 0;
},
set page(val) {
this.pdfViewer.currentPageNumber = val;
},
get page() {
return this.pdfViewer.currentPageNumber;
},
get printing() {
return !!this.printService;
},
get supportsPrinting() {
return PDFPrintServiceFactory.instance.supportsPrinting;
},
get supportsFullscreen() {
var support;
var doc = document.documentElement;
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 && pdfjsLib.PDFJS.disableFullscreen === true) {
support = false;
}
return pdfjsLib.shadow(this, 'supportsFullscreen', support);
},
get supportsIntegratedFind() {
return this.externalServices.supportsIntegratedFind;
},
get supportsDocumentFonts() {
return this.externalServices.supportsDocumentFonts;
},
get supportsDocumentColors() {
return this.externalServices.supportsDocumentColors;
},
get loadingBar() {
var bar = new ProgressBar('#loadingBar', {});
return pdfjsLib.shadow(this, 'loadingBar', bar);
},
get supportedMouseWheelZoomModifierKeys() {
return this.externalServices.supportedMouseWheelZoomModifierKeys;
},
initPassiveLoading: function pdfViewInitPassiveLoading() {
throw new Error('Not implemented: initPassiveLoading');
},
setTitleUsingUrl: function pdfViewSetTitleUsingUrl(url) {
this.url = url;
this.baseUrl = url.split('#')[0];
try {
this.setTitle(decodeURIComponent(pdfjsLib.getFilenameFromUrl(url)) || url);
} catch (e) {
this.setTitle(url);
}
},
setTitle: function pdfViewSetTitle(title) {
if (this.isViewerEmbedded) {
return;
}
document.title = title;
},
close: function pdfViewClose() {
var errorWrapper = this.appConfig.errorWrapper.container;
errorWrapper.setAttribute('hidden', 'true');
if (!this.pdfLoadingTask) {
return Promise.resolve();
}
var promise = this.pdfLoadingTask.destroy();
this.pdfLoadingTask = null;
if (this.pdfDocument) {
this.pdfDocument = null;
this.pdfThumbnailViewer.setDocument(null);
this.pdfViewer.setDocument(null);
this.pdfLinkService.setDocument(null, null);
}
this.store = null;
this.isInitialViewSet = false;
this.pdfSidebar.reset();
this.pdfOutlineViewer.reset();
this.pdfAttachmentViewer.reset();
this.findController.reset();
this.findBar.reset();
this.toolbar.reset();
this.secondaryToolbar.reset();
if (typeof PDFBug !== 'undefined') {
PDFBug.cleanup();
}
return promise;
},
open: function pdfViewOpen(file, args) {
if (arguments.length > 2 || typeof args === 'number') {
return Promise.reject(new Error('Call of open() with obsolete signature.'));
}
if (this.pdfLoadingTask) {
return this.close().then(function () {
Preferences.reload();
return this.open(file, args);
}.bind(this));
}
var parameters = Object.create(null), scale;
if (typeof file === 'string') {
this.setTitleUsingUrl(file);
parameters.url = file;
} else if (file && 'byteLength' in file) {
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];
}
if (args.scale) {
scale = args.scale;
}
if (args.length) {
this.pdfDocumentProperties.setFileSize(args.length);
}
}
var self = this;
self.downloadComplete = false;
var loadingTask = pdfjsLib.getDocument(parameters);
this.pdfLoadingTask = loadingTask;
loadingTask.onPassword = function passwordNeeded(updateCallback, reason) {
self.passwordPrompt.setUpdateCallback(updateCallback, reason);
self.passwordPrompt.open();
};
loadingTask.onProgress = function getDocumentProgress(progressData) {
self.progress(progressData.loaded / progressData.total);
};
loadingTask.onUnsupportedFeature = this.fallback.bind(this);
return loadingTask.promise.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 pdfjsLib.InvalidPDFException) {
loadingErrorMessage = mozL10n.get('invalid_file_error', null, 'Invalid or corrupted PDF file.');
} else if (exception instanceof pdfjsLib.MissingPDFException) {
loadingErrorMessage = mozL10n.get('missing_file_error', null, 'Missing PDF file.');
} else if (exception instanceof pdfjsLib.UnexpectedResponseException) {
loadingErrorMessage = mozL10n.get('unexpected_response_error', null, 'Unexpected server response.');
}
var moreInfo = { message: message };
self.error(loadingErrorMessage, moreInfo);
throw new Error(loadingErrorMessage);
});
},
download: function pdfViewDownload() {
function downloadByUrl() {
downloadManager.downloadUrl(url, filename);
}
var url = this.baseUrl;
var filename = getPDFFileNameFromURL(url);
var downloadManager = this.downloadManager;
downloadManager.onerror = function (err) {
PDFViewerApplication.error('PDF failed to download.');
};
if (!this.pdfDocument) {
downloadByUrl();
return;
}
if (!this.downloadComplete) {
downloadByUrl();
return;
}
this.pdfDocument.getData().then(function getDataSuccess(data) {
var blob = pdfjsLib.createBlob(data, 'application/pdf');
downloadManager.download(blob, url, filename);
}, downloadByUrl).then(null, downloadByUrl);
},
fallback: function pdfViewFallback(featureId) {
},
error: function pdfViewError(message, moreInfo) {
var moreInfoText = mozL10n.get('error_version_info', {
version: pdfjsLib.version || '?',
build: pdfjsLib.build || '?'
}, 'PDF.js v{{version}} (build: {{build}})') + '\n';
if (moreInfo) {
moreInfoText += mozL10n.get('error_message', { message: moreInfo.message }, 'Message: {{message}}');
if (moreInfo.stack) {
moreInfoText += '\n' + mozL10n.get('error_stack', { stack: moreInfo.stack }, 'Stack: {{stack}}');
} else {
if (moreInfo.filename) {
moreInfoText += '\n' + mozL10n.get('error_file', { file: moreInfo.filename }, 'File: {{file}}');
}
if (moreInfo.lineNumber) {
moreInfoText += '\n' + mozL10n.get('error_line', { line: moreInfo.lineNumber }, 'Line: {{line}}');
}
}
}
var errorWrapperConfig = this.appConfig.errorWrapper;
var errorWrapper = errorWrapperConfig.container;
errorWrapper.removeAttribute('hidden');
var errorMessage = errorWrapperConfig.errorMessage;
errorMessage.textContent = message;
var closeButton = errorWrapperConfig.closeButton;
closeButton.onclick = function () {
errorWrapper.setAttribute('hidden', 'true');
};
var errorMoreInfo = errorWrapperConfig.errorMoreInfo;
var moreInfoButton = errorWrapperConfig.moreInfoButton;
var lessInfoButton = errorWrapperConfig.lessInfoButton;
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;
},
progress: function pdfViewProgress(level) {
var percent = Math.round(level * 100);
if (percent > this.loadingBar.percent || isNaN(percent)) {
this.loadingBar.percent = percent;
if (pdfjsLib.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.pdfDocument = pdfDocument;
this.pdfDocumentProperties.setDocumentAndUrl(pdfDocument, this.url);
var downloadedPromise = pdfDocument.getDownloadInfo().then(function () {
self.downloadComplete = true;
self.loadingBar.hide();
});
this.toolbar.setPagesCount(pdfDocument.numPages, false);
this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
var id = this.documentFingerprint = pdfDocument.fingerprint;
var store = this.store = new ViewHistory(id);
var baseDocumentUrl;
baseDocumentUrl = null;
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;
var pdfThumbnailViewer = this.pdfThumbnailViewer;
pdfThumbnailViewer.setDocument(pdfDocument);
firstPagePromise.then(function (pdfPage) {
downloadedPromise.then(function () {
self.eventBus.dispatch('documentload', { source: self });
});
self.loadingBar.setWidth(self.appConfig.viewerContainer);
if (!pdfjsLib.PDFJS.disableHistory && !self.isViewerEmbedded) {
if (!self.viewerPrefs['showPreviousViewOnLoad']) {
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;
}
}
var initialParams = {
destination: self.initialDestination,
bookmark: self.initialBookmark,
hash: null
};
store.initializedPromise.then(function resolved() {
var storedHash = null, sidebarView = null;
if (self.viewerPrefs['showPreviousViewOnLoad'] && store.get('exists', false)) {
var pageNum = store.get('page', '1');
var zoom = self.viewerPrefs['defaultZoomValue'] || 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;
sidebarView = store.get('sidebarView', SidebarView.NONE);
} else if (self.viewerPrefs['defaultZoomValue']) {
storedHash = 'page=1&zoom=' + self.viewerPrefs['defaultZoomValue'];
}
self.setInitialView(storedHash, {
scale: scale,
sidebarView: sidebarView
});
initialParams.hash = storedHash;
if (!self.isViewerEmbedded) {
self.pdfViewer.focus();
}
}, function rejected(reason) {
console.error(reason);
self.setInitialView(null, { scale: scale });
});
pagesPromise.then(function resolved() {
if (!initialParams.destination && !initialParams.bookmark && !initialParams.hash) {
return;
}
if (self.hasEqualPageSizes) {
return;
}
self.initialDestination = initialParams.destination;
self.initialBookmark = initialParams.bookmark;
self.pdfViewer.currentScaleValue = self.pdfViewer.currentScaleValue;
self.setInitialView(initialParams.hash);
});
});
pdfDocument.getPageLabels().then(function (labels) {
if (!labels || self.viewerPrefs['disablePageLabels']) {
return;
}
var i = 0, numLabels = labels.length;
if (numLabels !== self.pagesCount) {
console.error('The number of Page Labels does not match ' + 'the number of pages in the document.');
return;
}
while (i < numLabels && labels[i] === (i + 1).toString()) {
i++;
}
if (i === numLabels) {
return;
}
pdfViewer.setPageLabels(labels);
pdfThumbnailViewer.setPageLabels(labels);
self.toolbar.setPagesCount(pdfDocument.numPages, true);
self.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
});
pagesPromise.then(function () {
if (self.supportsPrinting) {
pdfDocument.getJavaScript().then(function (javaScript) {
if (javaScript.length) {
console.warn('Warning: JavaScript is not supported');
self.fallback(pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
}
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;
}
}
});
}
});
Promise.all([
onePageRendered,
animationStarted
]).then(function () {
pdfDocument.getOutline().then(function (outline) {
self.pdfOutlineViewer.render({ outline: outline });
});
pdfDocument.getAttachments().then(function (attachments) {
self.pdfAttachmentViewer.render({ attachments: attachments });
});
});
pdfDocument.getMetadata().then(function (data) {
var info = data.info, metadata = data.metadata;
self.documentInfo = info;
self.metadata = metadata;
console.log('PDF ' + pdfDocument.fingerprint + ' [' + info.PDFFormatVersion + ' ' + (info.Producer || '-').trim() + ' / ' + (info.Creator || '-').trim() + ']' + ' (PDF.js: ' + (pdfjsLib.version || '-') + (!pdfjsLib.PDFJS.disableWebGL ? ' [WebGL]' : '') + ')');
var pdfTitle;
if (metadata && metadata.has('dc:title')) {
var title = metadata.get('dc:title');
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(pdfjsLib.UNSUPPORTED_FEATURES.forms);
}
});
},
setInitialView: function pdfViewSetInitialView(storedHash, options) {
var scale = options && options.scale;
var sidebarView = options && options.sidebarView;
this.isInitialViewSet = true;
this.pdfSidebar.setInitialView(this.viewerPrefs['sidebarViewOnLoad'] || sidebarView | 0);
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;
}
this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
if (!this.pdfViewer.currentScaleValue) {
this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
}
},
cleanup: function pdfViewCleanup() {
if (!this.pdfDocument) {
return;
}
this.pdfViewer.cleanup();
this.pdfThumbnailViewer.cleanup();
if (this.pdfViewer.renderer !== RendererType.SVG) {
this.pdfDocument.cleanup();
}
},
forceRendering: function pdfViewForceRendering() {
this.pdfRenderingQueue.printing = this.printing;
this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
this.pdfRenderingQueue.renderHighestPriority();
},
beforePrint: function pdfViewSetupBeforePrint() {
if (this.printService) {
return;
}
if (!this.supportsPrinting) {
var printMessage = mozL10n.get('printing_not_supported', null, 'Warning: Printing is not fully supported by this browser.');
this.error(printMessage);
return;
}
if (!this.pdfViewer.pageViewsReady) {
var notReadyMessage = mozL10n.get('printing_not_ready', null, 'Warning: The PDF is not fully loaded for printing.');
window.alert(notReadyMessage);
return;
}
var pagesOverview = this.pdfViewer.getPagesOverview();
var printContainer = this.appConfig.printContainer;
var printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer);
this.printService = printService;
this.forceRendering();
printService.layout();
},
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() {
if (this.printService) {
this.printService.destroy();
this.printService = null;
}
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.currentPageNumber = pageNumber;
},
requestPresentationMode: function pdfViewRequestPresentationMode() {
if (!this.pdfPresentationMode) {
return;
}
this.pdfPresentationMode.request();
},
bindEvents: function pdfViewBindEvents() {
var eventBus = this.eventBus;
eventBus.on('resize', webViewerResize);
eventBus.on('hashchange', webViewerHashchange);
eventBus.on('beforeprint', this.beforePrint.bind(this));
eventBus.on('afterprint', this.afterPrint.bind(this));
eventBus.on('pagerendered', webViewerPageRendered);
eventBus.on('textlayerrendered', webViewerTextLayerRendered);
eventBus.on('updateviewarea', webViewerUpdateViewarea);
eventBus.on('pagechanging', webViewerPageChanging);
eventBus.on('scalechanging', webViewerScaleChanging);
eventBus.on('sidebarviewchanged', webViewerSidebarViewChanged);
eventBus.on('pagemode', webViewerPageMode);
eventBus.on('namedaction', webViewerNamedAction);
eventBus.on('presentationmodechanged', webViewerPresentationModeChanged);
eventBus.on('presentationmode', webViewerPresentationMode);
eventBus.on('openfile', webViewerOpenFile);
eventBus.on('print', webViewerPrint);
eventBus.on('download', webViewerDownload);
eventBus.on('firstpage', webViewerFirstPage);
eventBus.on('lastpage', webViewerLastPage);
eventBus.on('nextpage', webViewerNextPage);
eventBus.on('previouspage', webViewerPreviousPage);
eventBus.on('zoomin', webViewerZoomIn);
eventBus.on('zoomout', webViewerZoomOut);
eventBus.on('pagenumberchanged', webViewerPageNumberChanged);
eventBus.on('scalechanged', webViewerScaleChanged);
eventBus.on('rotatecw', webViewerRotateCw);
eventBus.on('rotateccw', webViewerRotateCcw);
eventBus.on('documentproperties', webViewerDocumentProperties);
eventBus.on('find', webViewerFind);
eventBus.on('findfromurlhash', webViewerFindFromUrlHash);
eventBus.on('fileinputchange', webViewerFileInputChange);
},
bindWindowEvents: function pdfViewBindWindowEvents() {
var eventBus = this.eventBus;
window.addEventListener('wheel', webViewerWheel);
window.addEventListener('click', webViewerClick);
window.addEventListener('keydown', webViewerKeyDown);
window.addEventListener('resize', function windowResize() {
eventBus.dispatch('resize');
});
window.addEventListener('hashchange', function windowHashChange() {
eventBus.dispatch('hashchange', { hash: document.location.hash.substring(1) });
});
window.addEventListener('beforeprint', function windowBeforePrint() {
eventBus.dispatch('beforeprint');
});
window.addEventListener('afterprint', function windowAfterPrint() {
eventBus.dispatch('afterprint');
});
window.addEventListener('change', function windowChange(evt) {
var files = evt.target.files;
if (!files || files.length === 0) {
return;
}
eventBus.dispatch('fileinputchange', { fileInput: evt.target });
});
}
};
var validateFileURL;
var HOSTED_VIEWER_ORIGINS = [
'null',
'http://mozilla.github.io',
'https://mozilla.github.io'
];
validateFileURL = function validateFileURL(file) {
try {
var viewerOrigin = new URL(window.location.href).origin || 'null';
if (HOSTED_VIEWER_ORIGINS.indexOf(viewerOrigin) >= 0) {
return;
}
var fileOrigin = new URL(file, window.location.href).origin;
if (fileOrigin !== viewerOrigin) {
throw new Error('file origin does not match viewer\'s');
}
} catch (e) {
var message = e && e.message;
var loadingErrorMessage = mozL10n.get('loading_error', null, 'An error occurred while loading the PDF.');
var moreInfo = { message: message };
PDFViewerApplication.error(loadingErrorMessage, moreInfo);
throw e;
}
};
function loadAndEnablePDFBug(enabledTabs) {
return new Promise(function (resolve, reject) {
var appConfig = PDFViewerApplication.appConfig;
var script = document.createElement('script');
script.src = appConfig.debuggerScriptPath;
script.onload = function () {
PDFBug.enable(enabledTabs);
PDFBug.init(pdfjsLib, appConfig.mainContainer);
resolve();
};
script.onerror = function () {
reject(new Error('Cannot load debugger at ' + script.src));
};
(document.getElementsByTagName('head')[0] || document.body).appendChild(script);
});
}
function webViewerInitialized() {
var file;
var queryString = document.location.search.substring(1);
var params = parseQueryString(queryString);
file = 'file' in params ? params.file : DEFAULT_URL;
validateFileURL(file);
var waitForBeforeOpening = [];
var appConfig = PDFViewerApplication.appConfig;
var fileInput = document.createElement('input');
fileInput.id = appConfig.openFileInputName;
fileInput.className = 'fileInput';
fileInput.setAttribute('type', 'file');
fileInput.oncontextmenu = noContextMenuHandler;
document.body.appendChild(fileInput);
if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
appConfig.toolbar.openFile.setAttribute('hidden', 'true');
appConfig.secondaryToolbar.openFileButton.setAttribute('hidden', 'true');
} else {
fileInput.value = null;
}
var PDFJS = pdfjsLib.PDFJS;
if (PDFViewerApplication.viewerPrefs['pdfBugEnabled']) {
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) {
PDFJS.ignoreCurrentPositionOnZoom = hashParams['ignorecurrentpositiononzoom'] === 'true';
}
if ('locale' in hashParams) {
PDFJS.locale = hashParams['locale'];
}
if ('textlayer' in hashParams) {
switch (hashParams['textlayer']) {
case 'off':
PDFJS.disableTextLayer = true;
break;
case 'visible':
case 'shadow':
case 'hover':
var viewer = appConfig.viewerContainer;
viewer.classList.add('textLayer-' + hashParams['textlayer']);
break;
}
}
if ('pdfbug' in hashParams) {
PDFJS.pdfBug = true;
var pdfBug = hashParams['pdfbug'];
var enabled = pdfBug.split(',');
waitForBeforeOpening.push(loadAndEnablePDFBug(enabled));
}
}
mozL10n.setLanguage(PDFJS.locale);
if (!PDFViewerApplication.supportsPrinting) {
appConfig.toolbar.print.classList.add('hidden');
appConfig.secondaryToolbar.printButton.classList.add('hidden');
}
if (!PDFViewerApplication.supportsFullscreen) {
appConfig.toolbar.presentationModeButton.classList.add('hidden');
appConfig.secondaryToolbar.presentationModeButton.classList.add('hidden');
}
if (PDFViewerApplication.supportsIntegratedFind) {
appConfig.toolbar.viewFind.classList.add('hidden');
}
appConfig.sidebar.mainContainer.addEventListener('transitionend', function (e) {
if (e.target === this) {
PDFViewerApplication.eventBus.dispatch('resize');
}
}, true);
appConfig.sidebar.toggleButton.addEventListener('click', function () {
PDFViewerApplication.pdfSidebar.toggle();
});
Promise.all(waitForBeforeOpening).then(function () {
webViewerOpenFileViaURL(file);
}).catch(function (reason) {
PDFViewerApplication.error(mozL10n.get('loading_error', null, 'An error occurred while opening.'), reason);
});
}
var webViewerOpenFileViaURL;
webViewerOpenFileViaURL = function webViewerOpenFileViaURL(file) {
if (file && file.lastIndexOf('file:', 0) === 0) {
PDFViewerApplication.setTitleUsingUrl(file);
var xhr = new XMLHttpRequest();
xhr.onload = function () {
PDFViewerApplication.open(new Uint8Array(xhr.response));
};
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);
}
};
function webViewerPageRendered(e) {
var pageNumber = e.pageNumber;
var pageIndex = pageNumber - 1;
var pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
if (pageNumber === PDFViewerApplication.page) {
PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
}
if (!pageView) {
return;
}
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
var thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
thumbnailView.setImage(pageView);
}
if (pdfjsLib.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);
}
}
function webViewerTextLayerRendered(e) {
}
function webViewerPageMode(e) {
var mode = e.mode, view;
switch (mode) {
case 'thumbs':
view = SidebarView.THUMBS;
break;
case 'bookmarks':
case 'outline':
view = SidebarView.OUTLINE;
break;
case 'attachments':
view = SidebarView.ATTACHMENTS;
break;
case 'none':
view = SidebarView.NONE;
break;
default:
console.error('Invalid "pagemode" hash parameter: ' + mode);
return;
}
PDFViewerApplication.pdfSidebar.switchView(view, true);
}
function webViewerNamedAction(e) {
var action = e.action;
switch (action) {
case 'GoToPage':
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
break;
case 'Find':
if (!PDFViewerApplication.supportsIntegratedFind) {
PDFViewerApplication.findBar.toggle();
}
break;
}
}
function webViewerPresentationModeChanged(e) {
var active = e.active;
var switchInProgress = e.switchInProgress;
PDFViewerApplication.pdfViewer.presentationModeState = switchInProgress ? PresentationModeState.CHANGING : active ? PresentationModeState.FULLSCREEN : PresentationModeState.NORMAL;
}
function webViewerSidebarViewChanged(e) {
PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
var store = PDFViewerApplication.store;
if (!store || !PDFViewerApplication.isInitialViewSet) {
return;
}
store.initializedPromise.then(function () {
store.set('sidebarView', e.view).catch(function () {
});
});
}
function webViewerUpdateViewarea(e) {
var location = e.location, store = PDFViewerApplication.store;
if (store) {
store.initializedPromise.then(function () {
store.setMultiple({
'exists': true,
'page': location.pageNumber,
'zoom': location.scale,
'scrollLeft': location.left,
'scrollTop': location.top
}).catch(function () {
});
});
}
var href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
PDFViewerApplication.pdfHistory.updateCurrentBookmark(location.pdfOpenParams, location.pageNumber);
var currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
var loading = currentPage.renderingState !== RenderingStates.FINISHED;
PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
}
function webViewerResize() {
var currentScaleValue = PDFViewerApplication.pdfViewer.currentScaleValue;
if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') {
PDFViewerApplication.pdfViewer.currentScaleValue = currentScaleValue;
} else if (!currentScaleValue) {
PDFViewerApplication.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
}
PDFViewerApplication.pdfViewer.update();
}
function webViewerHashchange(e) {
if (PDFViewerApplication.pdfHistory.isHashChangeUnlocked) {
var hash = e.hash;
if (!hash) {
return;
}
if (!PDFViewerApplication.isInitialViewSet) {
PDFViewerApplication.initialBookmark = hash;
} else {
PDFViewerApplication.pdfLinkService.setHash(hash);
}
}
}
var webViewerFileInputChange;
webViewerFileInputChange = function webViewerFileInputChange(e) {
var file = e.fileInput.files[0];
if (!pdfjsLib.PDFJS.disableCreateObjectURL && typeof URL !== 'undefined' && URL.createObjectURL) {
PDFViewerApplication.open(URL.createObjectURL(file));
} else {
var fileReader = new FileReader();
fileReader.onload = function webViewerChangeFileReaderOnload(evt) {
var buffer = evt.target.result;
var uint8Array = new Uint8Array(buffer);
PDFViewerApplication.open(uint8Array);
};
fileReader.readAsArrayBuffer(file);
}
PDFViewerApplication.setTitleUsingUrl(file.name);
var appConfig = PDFViewerApplication.appConfig;
appConfig.toolbar.viewBookmark.setAttribute('hidden', 'true');
appConfig.secondaryToolbar.viewBookmarkButton.setAttribute('hidden', 'true');
appConfig.toolbar.download.setAttribute('hidden', 'true');
appConfig.secondaryToolbar.downloadButton.setAttribute('hidden', 'true');
};
function webViewerPresentationMode() {
PDFViewerApplication.requestPresentationMode();
}
function webViewerOpenFile() {
var openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
document.getElementById(openFileInputName).click();
}
function webViewerPrint() {
window.print();
}
function webViewerDownload() {
PDFViewerApplication.download();
}
function webViewerFirstPage() {
if (PDFViewerApplication.pdfDocument) {
PDFViewerApplication.page = 1;
}
}
function webViewerLastPage() {
if (PDFViewerApplication.pdfDocument) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
}
}
function webViewerNextPage() {
PDFViewerApplication.page++;
}
function webViewerPreviousPage() {
PDFViewerApplication.page--;
}
function webViewerZoomIn() {
PDFViewerApplication.zoomIn();
}
function webViewerZoomOut() {
PDFViewerApplication.zoomOut();
}
function webViewerPageNumberChanged(e) {
var pdfViewer = PDFViewerApplication.pdfViewer;
pdfViewer.currentPageLabel = e.value;
if (e.value !== pdfViewer.currentPageNumber.toString() && e.value !== pdfViewer.currentPageLabel) {
PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
}
}
function webViewerScaleChanged(e) {
PDFViewerApplication.pdfViewer.currentScaleValue = e.value;
}
function webViewerRotateCw() {
PDFViewerApplication.rotatePages(90);
}
function webViewerRotateCcw() {
PDFViewerApplication.rotatePages(-90);
}
function webViewerDocumentProperties() {
PDFViewerApplication.pdfDocumentProperties.open();
}
function webViewerFind(e) {
PDFViewerApplication.findController.executeCommand('find' + e.type, {
query: e.query,
phraseSearch: e.phraseSearch,
caseSensitive: e.caseSensitive,
highlightAll: e.highlightAll,
findPrevious: e.findPrevious
});
}
function webViewerFindFromUrlHash(e) {
PDFViewerApplication.findController.executeCommand('find', {
query: e.query,
phraseSearch: e.phraseSearch,
caseSensitive: false,
highlightAll: true,
findPrevious: false
});
}
function webViewerScaleChanging(e) {
PDFViewerApplication.toolbar.setPageScale(e.presetValue, e.scale);
PDFViewerApplication.pdfViewer.update();
}
function webViewerPageChanging(e) {
var page = e.pageNumber;
PDFViewerApplication.toolbar.setPageNumber(page, e.pageLabel || null);
PDFViewerApplication.secondaryToolbar.setPageNumber(page);
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
}
if (pdfjsLib.PDFJS.pdfBug && Stats.enabled) {
var pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
if (pageView.stats) {
Stats.add(page, pageView.stats);
}
}
}
var zoomDisabled = false, zoomDisabledTimeout;
function webViewerWheel(evt) {
var pdfViewer = PDFViewerApplication.pdfViewer;
if (pdfViewer.isInPresentationMode) {
return;
}
if (evt.ctrlKey || evt.metaKey) {
var support = PDFViewerApplication.supportedMouseWheelZoomModifierKeys;
if (evt.ctrlKey && !support.ctrlKey || evt.metaKey && !support.metaKey) {
return;
}
evt.preventDefault();
if (zoomDisabled) {
return;
}
var previousScale = pdfViewer.currentScale;
var delta = normalizeWheelEventDelta(evt);
var MOUSE_WHEEL_DELTA_PER_PAGE_SCALE = 3.0;
var ticks = delta * MOUSE_WHEEL_DELTA_PER_PAGE_SCALE;
if (ticks < 0) {
PDFViewerApplication.zoomOut(-ticks);
} else {
PDFViewerApplication.zoomIn(ticks);
}
var currentScale = pdfViewer.currentScale;
if (previousScale !== currentScale) {
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;
}
} else {
zoomDisabled = true;
clearTimeout(zoomDisabledTimeout);
zoomDisabledTimeout = setTimeout(function () {
zoomDisabled = false;
}, 1000);
}
}
function webViewerClick(evt) {
if (!PDFViewerApplication.secondaryToolbar.isOpen) {
return;
}
var appConfig = PDFViewerApplication.appConfig;
if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar.toggleButton) {
PDFViewerApplication.secondaryToolbar.close();
}
}
function webViewerKeyDown(evt) {
if (OverlayManager.active) {
return;
}
var handled = false, ensureViewerFocused = 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;
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
switch (evt.keyCode) {
case 70:
if (!PDFViewerApplication.supportsIntegratedFind) {
PDFViewerApplication.findBar.open();
handled = true;
}
break;
case 71:
if (!PDFViewerApplication.supportsIntegratedFind) {
var findState = PDFViewerApplication.findController.state;
if (findState) {
PDFViewerApplication.findController.executeCommand('findagain', {
query: findState.query,
phraseSearch: findState.phraseSearch,
caseSensitive: findState.caseSensitive,
highlightAll: findState.highlightAll,
findPrevious: cmd === 5 || cmd === 12
});
}
handled = true;
}
break;
case 61:
case 107:
case 187:
case 171:
if (!isViewerInPresentationMode) {
PDFViewerApplication.zoomIn();
}
handled = true;
break;
case 173:
case 109:
case 189:
if (!isViewerInPresentationMode) {
PDFViewerApplication.zoomOut();
}
handled = true;
break;
case 48:
case 96:
if (!isViewerInPresentationMode) {
setTimeout(function () {
pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE;
});
handled = false;
}
break;
case 38:
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
PDFViewerApplication.page = 1;
handled = true;
ensureViewerFocused = true;
}
break;
case 40:
if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
handled = true;
ensureViewerFocused = true;
}
break;
}
}
if (cmd === 1 || cmd === 8) {
switch (evt.keyCode) {
case 83:
PDFViewerApplication.download();
handled = true;
break;
}
}
if (cmd === 3 || cmd === 10) {
switch (evt.keyCode) {
case 80:
PDFViewerApplication.requestPresentationMode();
handled = true;
break;
case 71:
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
handled = true;
break;
}
}
if (handled) {
if (ensureViewerFocused && !isViewerInPresentationMode) {
pdfViewer.focus();
}
evt.preventDefault();
return;
}
var curElement = document.activeElement || document.querySelector(':focus');
var curElementTagName = curElement && curElement.tagName.toUpperCase();
if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT') {
if (evt.keyCode !== 27) {
return;
}
}
if (cmd === 0) {
switch (evt.keyCode) {
case 38:
case 33:
case 8:
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
break;
}
case 37:
if (pdfViewer.isHorizontalScrollbarEnabled) {
break;
}
case 75:
case 80:
if (PDFViewerApplication.page > 1) {
PDFViewerApplication.page--;
}
handled = true;
break;
case 27:
if (PDFViewerApplication.secondaryToolbar.isOpen) {
PDFViewerApplication.secondaryToolbar.close();
handled = true;
}
if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
PDFViewerApplication.findBar.close();
handled = true;
}
break;
case 40:
case 34:
case 32:
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
break;
}
case 39:
if (pdfViewer.isHorizontalScrollbarEnabled) {
break;
}
case 74:
case 78:
if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
PDFViewerApplication.page++;
}
handled = true;
break;
case 36:
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
PDFViewerApplication.page = 1;
handled = true;
ensureViewerFocused = true;
}
break;
case 35:
if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
handled = true;
ensureViewerFocused = true;
}
break;
case 72:
if (!isViewerInPresentationMode) {
PDFViewerApplication.handTool.toggle();
}
break;
case 82:
PDFViewerApplication.rotatePages(90);
break;
}
}
if (cmd === 4) {
switch (evt.keyCode) {
case 32:
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') {
break;
}
if (PDFViewerApplication.page > 1) {
PDFViewerApplication.page--;
}
handled = true;
break;
case 82:
PDFViewerApplication.rotatePages(-90);
break;
}
}
if (!handled && !isViewerInPresentationMode) {
if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== 'BUTTON') {
ensureViewerFocused = true;
}
}
if (cmd === 2) {
switch (evt.keyCode) {
case 37:
if (isViewerInPresentationMode) {
PDFViewerApplication.pdfHistory.back();
handled = true;
}
break;
case 39:
if (isViewerInPresentationMode) {
PDFViewerApplication.pdfHistory.forward();
handled = true;
}
break;
}
}
if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
pdfViewer.focus();
}
if (handled) {
evt.preventDefault();
}
}
localized.then(function webViewerLocalized() {
document.getElementsByTagName('html')[0].dir = mozL10n.getDirection();
});
var PDFPrintServiceFactory = {
instance: {
supportsPrinting: false,
createPrintService: function () {
throw new Error('Not implemented: createPrintService');
}
}
};
exports.PDFViewerApplication = PDFViewerApplication;
exports.DefaultExernalServices = DefaultExernalServices;
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
}));
(function (root, factory) {
factory(root.pdfjsWebPDFPrintService = {}, root.pdfjsWebUIUtils, root.pdfjsWebOverlayManager, root.pdfjsWebApp, root.pdfjsWebPDFJS);
}(this, function (exports, uiUtils, overlayManager, app, pdfjsLib) {
var mozL10n = uiUtils.mozL10n;
var CSS_UNITS = uiUtils.CSS_UNITS;
var PDFPrintServiceFactory = app.PDFPrintServiceFactory;
var OverlayManager = overlayManager.OverlayManager;
var activeService = null;
function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size) {
var scratchCanvas = activeService.scratchCanvas;
var PRINT_RESOLUTION = 150;
var PRINT_UNITS = PRINT_RESOLUTION / 72.0;
scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
var width = Math.floor(size.width * CSS_UNITS) + 'px';
var height = Math.floor(size.height * CSS_UNITS) + 'px';
var ctx = scratchCanvas.getContext('2d');
ctx.save();
ctx.fillStyle = 'rgb(255, 255, 255)';
ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
ctx.restore();
return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
var renderContext = {
canvasContext: ctx,
transform: [
PRINT_UNITS,
0,
0,
PRINT_UNITS,
0,
0
],
viewport: pdfPage.getViewport(1),
intent: 'print'
};
return pdfPage.render(renderContext).promise;
}).then(function () {
return {
width: width,
height: height
};
});
}
function PDFPrintService(pdfDocument, pagesOverview, printContainer) {
this.pdfDocument = pdfDocument;
this.pagesOverview = pagesOverview;
this.printContainer = printContainer;
this.currentPage = -1;
this.scratchCanvas = document.createElement('canvas');
}
PDFPrintService.prototype = {
layout: function () {
this.throwIfInactive();
var body = document.querySelector('body');
body.setAttribute('data-pdfjsprinting', true);
var hasEqualPageSizes = this.pagesOverview.every(function (size) {
return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
}, this);
if (!hasEqualPageSizes) {
console.warn('Not all pages have the same size. The printed ' + 'result may be incorrect!');
}
this.pageStyleSheet = document.createElement('style');
var pageSize = this.pagesOverview[0];
this.pageStyleSheet.textContent = '@supports ((size:A4) and (size:1pt 1pt)) {' + '@page { size: ' + pageSize.width + 'pt ' + pageSize.height + 'pt;}' + '}';
body.appendChild(this.pageStyleSheet);
},
destroy: function () {
if (activeService !== this) {
return;
}
this.printContainer.textContent = '';
if (this.pageStyleSheet && this.pageStyleSheet.parentNode) {
this.pageStyleSheet.parentNode.removeChild(this.pageStyleSheet);
this.pageStyleSheet = null;
}
this.scratchCanvas.width = this.scratchCanvas.height = 0;
this.scratchCanvas = null;
activeService = null;
ensureOverlay().then(function () {
if (OverlayManager.active !== 'printServiceOverlay') {
return;
}
OverlayManager.close('printServiceOverlay');
});
},
renderPages: function () {
var pageCount = this.pagesOverview.length;
var renderNextPage = function (resolve, reject) {
this.throwIfInactive();
if (++this.currentPage >= pageCount) {
renderProgress(pageCount, pageCount);
resolve();
return;
}
var index = this.currentPage;
renderProgress(index, pageCount);
renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index]).then(this.useRenderedPage.bind(this)).then(function () {
renderNextPage(resolve, reject);
}, reject);
}.bind(this);
return new Promise(renderNextPage);
},
useRenderedPage: function (printItem) {
this.throwIfInactive();
var img = document.createElement('img');
img.style.width = printItem.width;
img.style.height = printItem.height;
var scratchCanvas = this.scratchCanvas;
if ('toBlob' in scratchCanvas && !pdfjsLib.PDFJS.disableCreateObjectURL) {
scratchCanvas.toBlob(function (blob) {
img.src = URL.createObjectURL(blob);
});
} else {
img.src = scratchCanvas.toDataURL();
}
var wrapper = document.createElement('div');
wrapper.appendChild(img);
this.printContainer.appendChild(wrapper);
return new Promise(function (resolve, reject) {
img.onload = resolve;
img.onerror = reject;
});
},
performPrint: function () {
this.throwIfInactive();
return new Promise(function (resolve) {
setTimeout(function () {
if (!this.active) {
resolve();
return;
}
print.call(window);
setTimeout(resolve, 20);
}.bind(this), 0);
}.bind(this));
},
get active() {
return this === activeService;
},
throwIfInactive: function () {
if (!this.active) {
throw new Error('This print request was cancelled or completed.');
}
}
};
var print = window.print;
window.print = function print() {
if (activeService) {
console.warn('Ignored window.print() because of a pending print job.');
return;
}
ensureOverlay().then(function () {
if (activeService) {
OverlayManager.open('printServiceOverlay');
}
});
try {
dispatchEvent('beforeprint');
} finally {
if (!activeService) {
console.error('Expected print service to be initialized.');
if (OverlayManager.active === 'printServiceOverlay') {
OverlayManager.close('printServiceOverlay');
}
return;
}
var activeServiceOnEntry = activeService;
activeService.renderPages().then(function () {
return activeServiceOnEntry.performPrint();
}).catch(function () {
}).then(function () {
if (activeServiceOnEntry.active) {
abort();
}
});
}
};
function dispatchEvent(eventType) {
var event = document.createEvent('CustomEvent');
event.initCustomEvent(eventType, false, false, 'custom');
window.dispatchEvent(event);
}
function abort() {
if (activeService) {
activeService.destroy();
dispatchEvent('afterprint');
}
}
function renderProgress(index, total) {
var progressContainer = document.getElementById('printServiceOverlay');
var progress = Math.round(100 * index / total);
var progressBar = progressContainer.querySelector('progress');
var progressPerc = progressContainer.querySelector('.relative-progress');
progressBar.value = progress;
progressPerc.textContent = mozL10n.get('print_progress_percent', { progress: progress }, progress + '%');
}
var hasAttachEvent = !!document.attachEvent;
window.addEventListener('keydown', function (event) {
if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
window.print();
if (hasAttachEvent) {
return;
}
event.preventDefault();
if (event.stopImmediatePropagation) {
event.stopImmediatePropagation();
} else {
event.stopPropagation();
}
return;
}
}, true);
if (hasAttachEvent) {
document.attachEvent('onkeydown', function (event) {
event = event || window.event;
if (event.keyCode === 80 && event.ctrlKey) {
event.keyCode = 0;
return false;
}
});
}
if ('onbeforeprint' in window) {
var stopPropagationIfNeeded = function (event) {
if (event.detail !== 'custom' && event.stopImmediatePropagation) {
event.stopImmediatePropagation();
}
};
window.addEventListener('beforeprint', stopPropagationIfNeeded);
window.addEventListener('afterprint', stopPropagationIfNeeded);
}
var overlayPromise;
function ensureOverlay() {
if (!overlayPromise) {
overlayPromise = OverlayManager.register('printServiceOverlay', document.getElementById('printServiceOverlay'), abort, true);
document.getElementById('printCancel').onclick = abort;
}
return overlayPromise;
}
PDFPrintServiceFactory.instance = {
supportsPrinting: true,
createPrintService: function (pdfDocument, pagesOverview, printContainer) {
if (activeService) {
throw new Error('The print service is created and active.');
}
activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer);
return activeService;
}
};
exports.PDFPrintService = PDFPrintService;
}));
}.call(pdfjsWebLibs));
}
;
function getViewerConfiguration() {
return {
appContainer: document.body,
mainContainer: document.getElementById('viewerContainer'),
viewerContainer: document.getElementById('viewer'),
eventBus: null,
toolbar: {
container: document.getElementById('toolbarViewer'),
numPages: document.getElementById('numPages'),
pageNumber: document.getElementById('pageNumber'),
scaleSelectContainer: document.getElementById('scaleSelectContainer'),
scaleSelect: document.getElementById('scaleSelect'),
customScaleOption: document.getElementById('customScaleOption'),
previous: document.getElementById('previous'),
next: document.getElementById('next'),
zoomIn: document.getElementById('zoomIn'),
zoomOut: document.getElementById('zoomOut'),
viewFind: document.getElementById('viewFind'),
openFile: document.getElementById('openFile'),
print: document.getElementById('print'),
presentationModeButton: document.getElementById('presentationMode'),
download: document.getElementById('download'),
viewBookmark: document.getElementById('viewBookmark')
},
secondaryToolbar: {
toolbar: document.getElementById('secondaryToolbar'),
toggleButton: document.getElementById('secondaryToolbarToggle'),
toolbarButtonContainer: document.getElementById('secondaryToolbarButtonContainer'),
presentationModeButton: document.getElementById('secondaryPresentationMode'),
openFileButton: document.getElementById('secondaryOpenFile'),
printButton: document.getElementById('secondaryPrint'),
downloadButton: document.getElementById('secondaryDownload'),
viewBookmarkButton: document.getElementById('secondaryViewBookmark'),
firstPageButton: document.getElementById('firstPage'),
lastPageButton: document.getElementById('lastPage'),
pageRotateCwButton: document.getElementById('pageRotateCw'),
pageRotateCcwButton: document.getElementById('pageRotateCcw'),
toggleHandToolButton: document.getElementById('toggleHandTool'),
documentPropertiesButton: document.getElementById('documentProperties')
},
fullscreen: {
contextFirstPage: document.getElementById('contextFirstPage'),
contextLastPage: document.getElementById('contextLastPage'),
contextPageRotateCw: document.getElementById('contextPageRotateCw'),
contextPageRotateCcw: document.getElementById('contextPageRotateCcw')
},
sidebar: {
mainContainer: document.getElementById('mainContainer'),
outerContainer: document.getElementById('outerContainer'),
toggleButton: document.getElementById('sidebarToggle'),
thumbnailButton: document.getElementById('viewThumbnail'),
outlineButton: document.getElementById('viewOutline'),
attachmentsButton: document.getElementById('viewAttachments'),
thumbnailView: document.getElementById('thumbnailView'),
outlineView: document.getElementById('outlineView'),
attachmentsView: document.getElementById('attachmentsView')
},
findBar: {
bar: document.getElementById('findbar'),
toggleButton: document.getElementById('viewFind'),
findField: document.getElementById('findInput'),
highlightAllCheckbox: document.getElementById('findHighlightAll'),
caseSensitiveCheckbox: document.getElementById('findMatchCase'),
findMsg: document.getElementById('findMsg'),
findResultsCount: document.getElementById('findResultsCount'),
findStatusIcon: document.getElementById('findStatusIcon'),
findPreviousButton: document.getElementById('findPrevious'),
findNextButton: document.getElementById('findNext')
},
passwordOverlay: {
overlayName: 'passwordOverlay',
container: document.getElementById('passwordOverlay'),
label: document.getElementById('passwordText'),
input: document.getElementById('password'),
submitButton: document.getElementById('passwordSubmit'),
cancelButton: document.getElementById('passwordCancel')
},
documentProperties: {
overlayName: 'documentPropertiesOverlay',
container: document.getElementById('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')
}
},
errorWrapper: {
container: document.getElementById('errorWrapper'),
errorMessage: document.getElementById('errorMessage'),
closeButton: document.getElementById('errorClose'),
errorMoreInfo: document.getElementById('errorMoreInfo'),
moreInfoButton: document.getElementById('errorShowMore'),
lessInfoButton: document.getElementById('errorShowLess')
},
printContainer: document.getElementById('printContainer'),
openFileInputName: 'fileInput',
debuggerScriptPath: './debugger.js'
};
}
function webViewerLoad() {
var config = getViewerConfiguration();
window.PDFViewerApplication = pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication;
pdfjsWebLibs.pdfjsWebApp.PDFViewerApplication.run(config);
}
if (document.readyState === 'interactive' || document.readyState === 'complete') {
webViewerLoad();
} else {
document.addEventListener('DOMContentLoaded', webViewerLoad, true);
}