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PDF.js version 1.3.32 - See mozilla/pdf.js@c2dfe9e9a99c3d8081d5abbbfca0fc768e856192

master v1.3.32
Pdf Bot 9 years ago
parent
49ba041b45
commit
ba8c40bc11
5 changed files with 883 additions and 496 deletions
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  1. 2
      bower.json
  2. 606
      build/pdf.combined.js
  3. 539
      build/pdf.js
  4. 152
      build/pdf.worker.js
  5. 2
      package.json

2
bower.json
Unescape View File

@ -1,6 +1,6 @@
{ {
"name": "pdfjs-dist", "name": "pdfjs-dist",
"version": "1.3.28", "version": "1.3.32",
"main": [ "main": [
"build/pdf.js", "build/pdf.js",
"build/pdf.worker.js" "build/pdf.worker.js"

606
build/pdf.combined.js
Unescape View File

@ -20,8 +20,8 @@ if (typeof PDFJS === 'undefined') {
(typeof window !== 'undefined' ? window : this).PDFJS = {}; (typeof window !== 'undefined' ? window : this).PDFJS = {};
} }
PDFJS.version = '1.3.28'; PDFJS.version = '1.3.32';
PDFJS.build = 'c280fb5'; PDFJS.build = 'c2dfe9e';
(function pdfjsWrapper() { (function pdfjsWrapper() {
// Use strict in our context only - users might not want it // Use strict in our context only - users might not want it
@ -1520,26 +1520,20 @@ PDFJS.createObjectURL = (function createObjectURLClosure() {
}; };
})(); })();
function MessageHandler(name, comObj) { function MessageHandler(sourceName, targetName, comObj) {
this.name = name; this.sourceName = sourceName;
this.targetName = targetName;
this.comObj = comObj; this.comObj = comObj;
this.callbackIndex = 1; this.callbackIndex = 1;
this.postMessageTransfers = true; this.postMessageTransfers = true;
var callbacksCapabilities = this.callbacksCapabilities = {}; var callbacksCapabilities = this.callbacksCapabilities = {};
var ah = this.actionHandler = {}; var ah = this.actionHandler = {};
ah['console_log'] = [function ahConsoleLog(data) { this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
console.log.apply(console, data);
}];
ah['console_error'] = [function ahConsoleError(data) {
console.error.apply(console, data);
}];
ah['_unsupported_feature'] = [function ah_unsupportedFeature(data) {
UnsupportedManager.notify(data);
}];
comObj.onmessage = function messageHandlerComObjOnMessage(event) {
var data = event.data; var data = event.data;
if (data.targetName !== this.sourceName) {
return;
}
if (data.isReply) { if (data.isReply) {
var callbackId = data.callbackId; var callbackId = data.callbackId;
if (data.callbackId in callbacksCapabilities) { if (data.callbackId in callbacksCapabilities) {
@ -1556,10 +1550,14 @@ function MessageHandler(name, comObj) {
} else if (data.action in ah) { } else if (data.action in ah) {
var action = ah[data.action]; var action = ah[data.action];
if (data.callbackId) { if (data.callbackId) {
var sourceName = this.sourceName;
var targetName = data.sourceName;
Promise.resolve().then(function () { Promise.resolve().then(function () {
return action[0].call(action[1], data.data); return action[0].call(action[1], data.data);
}).then(function (result) { }).then(function (result) {
comObj.postMessage({ comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true, isReply: true,
callbackId: data.callbackId, callbackId: data.callbackId,
data: result data: result
@ -1570,6 +1568,8 @@ function MessageHandler(name, comObj) {
reason = reason + ''; reason = reason + '';
} }
comObj.postMessage({ comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true, isReply: true,
callbackId: data.callbackId, callbackId: data.callbackId,
error: reason error: reason
@ -1581,7 +1581,8 @@ function MessageHandler(name, comObj) {
} else { } else {
error('Unknown action from worker: ' + data.action); error('Unknown action from worker: ' + data.action);
} }
}; }.bind(this);
comObj.addEventListener('message', this._onComObjOnMessage);
} }
MessageHandler.prototype = { MessageHandler.prototype = {
@ -1600,6 +1601,8 @@ MessageHandler.prototype = {
*/ */
send: function messageHandlerSend(actionName, data, transfers) { send: function messageHandlerSend(actionName, data, transfers) {
var message = { var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName, action: actionName,
data: data data: data
}; };
@ -1617,6 +1620,8 @@ MessageHandler.prototype = {
function messageHandlerSendWithPromise(actionName, data, transfers) { function messageHandlerSendWithPromise(actionName, data, transfers) {
var callbackId = this.callbackIndex++; var callbackId = this.callbackIndex++;
var message = { var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName, action: actionName,
data: data, data: data,
callbackId: callbackId callbackId: callbackId
@ -1642,6 +1647,10 @@ MessageHandler.prototype = {
} else { } else {
this.comObj.postMessage(message); this.comObj.postMessage(message);
} }
},
destroy: function () {
this.comObj.removeEventListener('message', this._onComObjOnMessage);
} }
}; };
@ -1862,6 +1871,8 @@ PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ?
* @property {number} rangeChunkSize - Optional parameter to specify * @property {number} rangeChunkSize - Optional parameter to specify
* maximum number of bytes fetched per range request. The default value is * maximum number of bytes fetched per range request. The default value is
* 2^16 = 65536. * 2^16 = 65536.
* @property {PDFWorker} worker - The worker that will be used for the loading
* and parsing of the PDF data.
*/ */
/** /**
@ -1924,7 +1935,6 @@ PDFJS.getDocument = function getDocument(src,
task.onPassword = passwordCallback || null; task.onPassword = passwordCallback || null;
task.onProgress = progressCallback || null; task.onProgress = progressCallback || null;
var workerInitializedCapability, transport;
var source; var source;
if (typeof src === 'string') { if (typeof src === 'string') {
source = { url: src }; source = { url: src };
@ -1945,12 +1955,18 @@ PDFJS.getDocument = function getDocument(src,
} }
var params = {}; var params = {};
var rangeTransport = null;
var worker = null;
for (var key in source) { for (var key in source) {
if (key === 'url' && typeof window !== 'undefined') { if (key === 'url' && typeof window !== 'undefined') {
// The full path is required in the 'url' field. // The full path is required in the 'url' field.
params[key] = combineUrl(window.location.href, source[key]); params[key] = combineUrl(window.location.href, source[key]);
continue; continue;
} else if (key === 'range') { } else if (key === 'range') {
rangeTransport = source[key];
continue;
} else if (key === 'worker') {
worker = source[key];
continue; continue;
} else if (key === 'data' && !(source[key] instanceof Uint8Array)) { } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
// Converting string or array-like data to Uint8Array. // Converting string or array-like data to Uint8Array.
@ -1971,27 +1987,97 @@ PDFJS.getDocument = function getDocument(src,
params[key] = source[key]; params[key] = source[key];
} }
params.rangeChunkSize = source.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
workerInitializedCapability = createPromiseCapability(); if (!worker) {
transport = new WorkerTransport(workerInitializedCapability, source.range); // Worker was not provided -- creating and owning our own.
workerInitializedCapability.promise.then(function transportInitialized() { worker = new PDFWorker();
transport.fetchDocument(task, params); task._worker = worker;
}); }
var docId = task.docId;
worker.promise.then(function () {
if (task.destroyed) {
throw new Error('Loading aborted');
}
return _fetchDocument(worker, params, rangeTransport, docId).then(
function (workerId) {
if (task.destroyed) {
throw new Error('Loading aborted');
}
var messageHandler = new MessageHandler(docId, workerId, worker.port);
var transport = new WorkerTransport(messageHandler, task, rangeTransport);
task._transport = transport; task._transport = transport;
});
}, task._capability.reject);
return task; return task;
}; };
/**
* Starts fetching of specified PDF document/data.
* @param {PDFWorker} worker
* @param {Object} source
* @param {PDFDataRangeTransport} pdfDataRangeTransport
* @param {string} docId Unique document id, used as MessageHandler id.
* @returns {Promise} The promise, which is resolved when worker id of
* MessageHandler is known.
* @private
*/
function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
if (worker.destroyed) {
return Promise.reject(new Error('Worker was destroyed'));
}
source.disableAutoFetch = PDFJS.disableAutoFetch;
source.disableStream = PDFJS.disableStream;
source.chunkedViewerLoading = !!pdfDataRangeTransport;
if (pdfDataRangeTransport) {
source.length = pdfDataRangeTransport.length;
source.initialData = pdfDataRangeTransport.initialData;
}
return worker.messageHandler.sendWithPromise('GetDocRequest', {
docId: docId,
source: source,
disableRange: PDFJS.disableRange,
maxImageSize: PDFJS.maxImageSize,
cMapUrl: PDFJS.cMapUrl,
cMapPacked: PDFJS.cMapPacked,
disableFontFace: PDFJS.disableFontFace,
disableCreateObjectURL: PDFJS.disableCreateObjectURL,
verbosity: PDFJS.verbosity
}).then(function (workerId) {
if (worker.destroyed) {
throw new Error('Worker was destroyed');
}
return workerId;
});
}
/** /**
* PDF document loading operation. * PDF document loading operation.
* @class * @class
* @alias PDFDocumentLoadingTask * @alias PDFDocumentLoadingTask
*/ */
var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() { var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
var nextDocumentId = 0;
/** @constructs PDFDocumentLoadingTask */
function PDFDocumentLoadingTask() { function PDFDocumentLoadingTask() {
this._capability = createPromiseCapability(); this._capability = createPromiseCapability();
this._transport = null; this._transport = null;
this._worker = null;
/**
* Unique document loading task id -- used in MessageHandlers.
* @type {string}
*/
this.docId = 'd' + (nextDocumentId++);
/**
* Shows if loading task is destroyed.
* @type {boolean}
*/
this.destroyed = false;
/** /**
* Callback to request a password if wrong or no password was provided. * Callback to request a password if wrong or no password was provided.
@ -2023,7 +2109,17 @@ var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
* is completed. * is completed.
*/ */
destroy: function () { destroy: function () {
return this._transport.destroy(); this.destroyed = true;
var transportDestroyed = !this._transport ? Promise.resolve() :
this._transport.destroy();
return transportDestroyed.then(function () {
this._transport = null;
if (this._worker) {
this._worker.destroy();
this._worker = null;
}
}.bind(this));
}, },
/** /**
@ -2252,7 +2348,7 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
* Destroys current document instance and terminates worker. * Destroys current document instance and terminates worker.
*/ */
destroy: function PDFDocumentProxy_destroy() { destroy: function PDFDocumentProxy_destroy() {
return this.transport.destroy(); return this.loadingTask.destroy();
} }
}; };
return PDFDocumentProxy; return PDFDocumentProxy;
@ -2648,17 +2744,140 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
return PDFPageProxy; return PDFPageProxy;
})(); })();
/**
* PDF.js web worker abstraction, it controls instantiation of PDF documents and
* WorkerTransport for them. If creation of a web worker is not possible,
* a "fake" worker will be used instead.
* @class
*/
var PDFWorker = (function PDFWorkerClosure() {
var nextFakeWorkerId = 0;
// Loads worker code into main thread.
function setupFakeWorkerGlobal() {
if (!PDFJS.fakeWorkerFilesLoadedCapability) {
PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability();
// In the developer build load worker_loader which in turn loads all the
// other files and resolves the promise. In production only the
// pdf.worker.js file is needed.
PDFJS.fakeWorkerFilesLoadedCapability.resolve();
}
return PDFJS.fakeWorkerFilesLoadedCapability.promise;
}
function PDFWorker(name) {
this.name = name;
this.destroyed = false;
this._readyCapability = createPromiseCapability();
this._port = null;
this._webWorker = null;
this._messageHandler = null;
this._initialize();
}
PDFWorker.prototype = /** @lends PDFWorker.prototype */ {
get promise() {
return this._readyCapability.promise;
},
get port() {
return this._port;
},
get messageHandler() {
return this._messageHandler;
},
_initialize: function PDFWorker_initialize() {
// If worker support isn't disabled explicit and the browser has worker
// support, create a new web worker and test if it/the browser fullfills
// all requirements to run parts of pdf.js in a web worker.
// Right now, the requirement is, that an Uint8Array is still an
// Uint8Array as it arrives on the worker. (Chrome added this with v.15.)
// Either workers are disabled, not supported or have thrown an exception.
// Thus, we fallback to a faked worker.
this._setupFakeWorker();
},
_setupFakeWorker: function PDFWorker_setupFakeWorker() {
warn('Setting up fake worker.');
globalScope.PDFJS.disableWorker = true;
setupFakeWorkerGlobal().then(function () {
if (this.destroyed) {
this._readyCapability.reject(new Error('Worker was destroyed'));
return;
}
// If we don't use a worker, just post/sendMessage to the main thread.
var port = {
_listeners: [],
postMessage: function (obj) {
var e = {data: obj};
this._listeners.forEach(function (listener) {
listener.call(this, e);
}, this);
},
addEventListener: function (name, listener) {
this._listeners.push(listener);
},
removeEventListener: function (name, listener) {
var i = this._listeners.indexOf(listener);
this._listeners.splice(i, 1);
},
terminate: function () {}
};
this._port = port;
// All fake workers use the same port, making id unique.
var id = 'fake' + (nextFakeWorkerId++);
// If the main thread is our worker, setup the handling for the
// messages -- the main thread sends to it self.
var workerHandler = new MessageHandler(id + '_worker', id, port);
PDFJS.WorkerMessageHandler.setup(workerHandler, port);
var messageHandler = new MessageHandler(id, id + '_worker', port);
this._messageHandler = messageHandler;
this._readyCapability.resolve();
}.bind(this));
},
/**
* Destroys the worker instance.
*/
destroy: function PDFWorker_destroy() {
this.destroyed = true;
if (this._webWorker) {
// We need to terminate only web worker created resource.
this._webWorker.terminate();
this._webWorker = null;
}
this._port = null;
if (this._messageHandler) {
this._messageHandler.destroy();
this._messageHandler = null;
}
}
};
return PDFWorker;
})();
PDFJS.PDFWorker = PDFWorker;
/** /**
* For internal use only. * For internal use only.
* @ignore * @ignore
*/ */
var WorkerTransport = (function WorkerTransportClosure() { var WorkerTransport = (function WorkerTransportClosure() {
function WorkerTransport(workerInitializedCapability, pdfDataRangeTransport) { function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
this.messageHandler = messageHandler;
this.loadingTask = loadingTask;
this.pdfDataRangeTransport = pdfDataRangeTransport; this.pdfDataRangeTransport = pdfDataRangeTransport;
this.workerInitializedCapability = workerInitializedCapability;
this.commonObjs = new PDFObjects(); this.commonObjs = new PDFObjects();
this.fontLoader = new FontLoader(loadingTask.docId);
this.loadingTask = null;
this.destroyed = false; this.destroyed = false;
this.destroyCapability = null; this.destroyCapability = null;
@ -2666,14 +2885,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
this.pagePromises = []; this.pagePromises = [];
this.downloadInfoCapability = createPromiseCapability(); this.downloadInfoCapability = createPromiseCapability();
// If worker support isn't disabled explicit and the browser has worker this.setupMessageHandler();
// support, create a new web worker and test if it/the browser fullfills
// all requirements to run parts of pdf.js in a web worker.
// Right now, the requirement is, that an Uint8Array is still an Uint8Array
// as it arrives on the worker. Chrome added this with version 15.
// Either workers are disabled, not supported or have thrown an exception.
// Thus, we fallback to a faked worker.
this.setupFakeWorker();
} }
WorkerTransport.prototype = { WorkerTransport.prototype = {
destroy: function WorkerTransport_destroy() { destroy: function WorkerTransport_destroy() {
@ -2699,54 +2911,23 @@ var WorkerTransport = (function WorkerTransportClosure() {
var terminated = this.messageHandler.sendWithPromise('Terminate', null); var terminated = this.messageHandler.sendWithPromise('Terminate', null);
waitOn.push(terminated); waitOn.push(terminated);
Promise.all(waitOn).then(function () { Promise.all(waitOn).then(function () {
FontLoader.clear(); self.fontLoader.clear();
if (self.worker) {
self.worker.terminate();
}
if (self.pdfDataRangeTransport) { if (self.pdfDataRangeTransport) {
self.pdfDataRangeTransport.abort(); self.pdfDataRangeTransport.abort();
self.pdfDataRangeTransport = null; self.pdfDataRangeTransport = null;
} }
if (self.messageHandler) {
self.messageHandler.destroy();
self.messageHandler = null; self.messageHandler = null;
}
self.destroyCapability.resolve(); self.destroyCapability.resolve();
}, this.destroyCapability.reject); }, this.destroyCapability.reject);
return this.destroyCapability.promise; return this.destroyCapability.promise;
}, },
setupFakeWorker: function WorkerTransport_setupFakeWorker() {
globalScope.PDFJS.disableWorker = true;
if (!PDFJS.fakeWorkerFilesLoadedCapability) {
PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability();
// In the developer build load worker_loader which in turn loads all the
// other files and resolves the promise. In production only the
// pdf.worker.js file is needed.
PDFJS.fakeWorkerFilesLoadedCapability.resolve();
}
PDFJS.fakeWorkerFilesLoadedCapability.promise.then(function () {
warn('Setting up fake worker.');
// If we don't use a worker, just post/sendMessage to the main thread.
var fakeWorker = {
postMessage: function WorkerTransport_postMessage(obj) {
fakeWorker.onmessage({data: obj});
},
terminate: function WorkerTransport_terminate() {}
};
var messageHandler = new MessageHandler('main', fakeWorker);
this.setupMessageHandler(messageHandler);
// If the main thread is our worker, setup the handling for the messages
// the main thread sends to it self.
PDFJS.WorkerMessageHandler.setup(messageHandler);
this.workerInitializedCapability.resolve();
}.bind(this));
},
setupMessageHandler: setupMessageHandler:
function WorkerTransport_setupMessageHandler(messageHandler) { function WorkerTransport_setupMessageHandler() {
this.messageHandler = messageHandler; var messageHandler = this.messageHandler;
function updatePassword(password) { function updatePassword(password) {
messageHandler.send('UpdatePassword', password); messageHandler.send('UpdatePassword', password);
@ -2886,7 +3067,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
font = new FontFaceObject(exportedData); font = new FontFaceObject(exportedData);
} }
FontLoader.bind( this.fontLoader.bind(
[font], [font],
function fontReady(fontObjs) { function fontReady(fontObjs) {
this.commonObjs.resolve(id, font); this.commonObjs.resolve(id, font);
@ -3011,34 +3192,6 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this); }, this);
}, },
fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {
if (this.destroyed) {
loadingTask._capability.reject(new Error('Loading aborted'));
this.destroyCapability.resolve();
return;
}
this.loadingTask = loadingTask;
source.disableAutoFetch = PDFJS.disableAutoFetch;
source.disableStream = PDFJS.disableStream;
source.chunkedViewerLoading = !!this.pdfDataRangeTransport;
if (this.pdfDataRangeTransport) {
source.length = this.pdfDataRangeTransport.length;
source.initialData = this.pdfDataRangeTransport.initialData;
}
this.messageHandler.send('GetDocRequest', {
source: source,
disableRange: PDFJS.disableRange,
maxImageSize: PDFJS.maxImageSize,
cMapUrl: PDFJS.cMapUrl,
cMapPacked: PDFJS.cMapPacked,
disableFontFace: PDFJS.disableFontFace,
disableCreateObjectURL: PDFJS.disableCreateObjectURL,
verbosity: PDFJS.verbosity
});
},
getData: function WorkerTransport_getData() { getData: function WorkerTransport_getData() {
return this.messageHandler.sendWithPromise('GetData', null); return this.messageHandler.sendWithPromise('GetData', null);
}, },
@ -3122,7 +3275,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
} }
} }
this.commonObjs.clear(); this.commonObjs.clear();
FontLoader.clear(); this.fontLoader.clear();
}.bind(this)); }.bind(this));
} }
}; };
@ -6471,12 +6624,22 @@ var TilingPattern = (function TilingPatternClosure() {
PDFJS.disableFontFace = false; PDFJS.disableFontFace = false;
var FontLoader = { function FontLoader(docId) {
this.docId = docId;
this.styleElement = null;
this.nativeFontFaces = [];
this.loadTestFontId = 0;
this.loadingContext = {
requests: [],
nextRequestId: 0
};
}
FontLoader.prototype = {
insertRule: function fontLoaderInsertRule(rule) { insertRule: function fontLoaderInsertRule(rule) {
var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG'); var styleElement = this.styleElement;
if (!styleElement) { if (!styleElement) {
styleElement = document.createElement('style'); styleElement = this.styleElement = document.createElement('style');
styleElement.id = 'PDFJS_FONT_STYLE_TAG'; styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
document.documentElement.getElementsByTagName('head')[0].appendChild( document.documentElement.getElementsByTagName('head')[0].appendChild(
styleElement); styleElement);
} }
@ -6486,7 +6649,7 @@ var FontLoader = {
}, },
clear: function fontLoaderClear() { clear: function fontLoaderClear() {
var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG'); var styleElement = this.styleElement;
if (styleElement) { if (styleElement) {
styleElement.parentNode.removeChild(styleElement); styleElement.parentNode.removeChild(styleElement);
} }
@ -6524,49 +6687,6 @@ var FontLoader = {
)); ));
}, },
get isEvalSupported() {
var evalSupport = false;
if (PDFJS.isEvalSupported) {
try {
/* jshint evil: true */
new Function('');
evalSupport = true;
} catch (e) {}
}
return shadow(this, 'isEvalSupported', evalSupport);
},
loadTestFontId: 0,
loadingContext: {
requests: [],
nextRequestId: 0
},
isSyncFontLoadingSupported: (function detectSyncFontLoadingSupport() {
if (isWorker) {
return false;
}
// User agent string sniffing is bad, but there is no reliable way to tell
// if font is fully loaded and ready to be used with canvas.
var userAgent = window.navigator.userAgent;
var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent);
if (m && m[1] >= 14) {
return true;
}
// TODO other browsers
if (userAgent === 'node') {
return true;
}
return false;
})(),
nativeFontFaces: [],
isFontLoadingAPISupported: (!isWorker && typeof document !== 'undefined' &&
!!document.fonts),
addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) { addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) {
this.nativeFontFaces.push(nativeFontFace); this.nativeFontFaces.push(nativeFontFace);
document.fonts.add(nativeFontFace); document.fonts.add(nativeFontFace);
@ -6595,27 +6715,29 @@ var FontLoader = {
} }
font.attached = true; font.attached = true;
if (this.isFontLoadingAPISupported) { if (FontLoader.isFontLoadingAPISupported) {
var nativeFontFace = font.createNativeFontFace(); var nativeFontFace = font.createNativeFontFace();
if (nativeFontFace) { if (nativeFontFace) {
this.addNativeFontFace(nativeFontFace);
fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
} }
} else { } else {
var rule = font.bindDOM(); var rule = font.createFontFaceRule();
if (rule) { if (rule) {
this.insertRule(rule);
rules.push(rule); rules.push(rule);
fontsToLoad.push(font); fontsToLoad.push(font);
} }
} }
} }
var request = FontLoader.queueLoadingCallback(callback); var request = this.queueLoadingCallback(callback);
if (this.isFontLoadingAPISupported) { if (FontLoader.isFontLoadingAPISupported) {
Promise.all(fontLoadPromises).then(function() { Promise.all(fontLoadPromises).then(function() {
request.complete(); request.complete();
}); });
} else if (rules.length > 0 && !this.isSyncFontLoadingSupported) { } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
FontLoader.prepareFontLoadEvent(rules, fontsToLoad, request); this.prepareFontLoadEvent(rules, fontsToLoad, request);
} else { } else {
request.complete(); request.complete();
} }
@ -6633,7 +6755,7 @@ var FontLoader = {
} }
} }
var context = FontLoader.loadingContext; var context = this.loadingContext;
var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++); var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++);
var request = { var request = {
id: requestId, id: requestId,
@ -6720,7 +6842,7 @@ var FontLoader = {
var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' +
url + '}'; url + '}';
FontLoader.insertRule(rule); this.insertRule(rule);
var names = []; var names = [];
for (i = 0, ii = fonts.length; i < ii; i++) { for (i = 0, ii = fonts.length; i < ii; i++) {
@ -6748,19 +6870,52 @@ var FontLoader = {
/** Hack end */ /** Hack end */
} }
}; };
FontLoader.isFontLoadingAPISupported = (!isWorker &&
typeof document !== 'undefined' && !!document.fonts);
Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
get: function () {
var supported = false;
// User agent string sniffing is bad, but there is no reliable way to tell
// if font is fully loaded and ready to be used with canvas.
var userAgent = window.navigator.userAgent;
var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent);
if (m && m[1] >= 14) {
supported = true;
}
// TODO other browsers
if (userAgent === 'node') {
supported = true;
}
return shadow(FontLoader, 'isSyncFontLoadingSupported', supported);
},
enumerable: true,
configurable: true
});
var FontFaceObject = (function FontFaceObjectClosure() { var FontFaceObject = (function FontFaceObjectClosure() {
function FontFaceObject(name, file, properties) { function FontFaceObject(translatedData) {
this.compiledGlyphs = {}; this.compiledGlyphs = {};
if (arguments.length === 1) {
// importing translated data // importing translated data
var data = arguments[0]; for (var i in translatedData) {
for (var i in data) { this[i] = translatedData[i];
this[i] = data[i];
} }
return;
} }
Object.defineProperty(FontFaceObject, 'isEvalSupported', {
get: function () {
var evalSupport = false;
if (PDFJS.isEvalSupported) {
try {
/* jshint evil: true */
new Function('');
evalSupport = true;
} catch (e) {}
} }
return shadow(this, 'isEvalSupported', evalSupport);
},
enumerable: true,
configurable: true
});
FontFaceObject.prototype = { FontFaceObject.prototype = {
createNativeFontFace: function FontFaceObject_createNativeFontFace() { createNativeFontFace: function FontFaceObject_createNativeFontFace() {
if (!this.data) { if (!this.data) {
@ -6774,8 +6929,6 @@ var FontFaceObject = (function FontFaceObjectClosure() {
var nativeFontFace = new FontFace(this.loadedName, this.data, {}); var nativeFontFace = new FontFace(this.loadedName, this.data, {});
FontLoader.addNativeFontFace(nativeFontFace);
if (PDFJS.pdfBug && 'FontInspector' in globalScope && if (PDFJS.pdfBug && 'FontInspector' in globalScope &&
globalScope['FontInspector'].enabled) { globalScope['FontInspector'].enabled) {
globalScope['FontInspector'].fontAdded(this); globalScope['FontInspector'].fontAdded(this);
@ -6783,7 +6936,7 @@ var FontFaceObject = (function FontFaceObjectClosure() {
return nativeFontFace; return nativeFontFace;
}, },
bindDOM: function FontFaceObject_bindDOM() { createFontFaceRule: function FontFaceObject_createFontFaceRule() {
if (!this.data) { if (!this.data) {
return null; return null;
} }
@ -6800,7 +6953,6 @@ var FontFaceObject = (function FontFaceObjectClosure() {
var url = ('url(data:' + this.mimetype + ';base64,' + var url = ('url(data:' + this.mimetype + ';base64,' +
window.btoa(data) + ');'); window.btoa(data) + ');');
var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
FontLoader.insertRule(rule);
if (PDFJS.pdfBug && 'FontInspector' in globalScope && if (PDFJS.pdfBug && 'FontInspector' in globalScope &&
globalScope['FontInspector'].enabled) { globalScope['FontInspector'].enabled) {
@ -6810,13 +6962,14 @@ var FontFaceObject = (function FontFaceObjectClosure() {
return rule; return rule;
}, },
getPathGenerator: function FontLoader_getPathGenerator(objs, character) { getPathGenerator:
function FontFaceObject_getPathGenerator(objs, character) {
if (!(character in this.compiledGlyphs)) { if (!(character in this.compiledGlyphs)) {
var cmds = objs.get(this.loadedName + '_path_' + character); var cmds = objs.get(this.loadedName + '_path_' + character);
var current, i, len; var current, i, len;
// If we can, compile cmds into JS for MAXIMUM SPEED // If we can, compile cmds into JS for MAXIMUM SPEED
if (FontLoader.isEvalSupported) { if (FontFaceObject.isEvalSupported) {
var args, js = ''; var args, js = '';
for (i = 0, len = cmds.length; i < len; i++) { for (i = 0, len = cmds.length; i < len; i++) {
current = cmds[i]; current = cmds[i];
@ -9361,6 +9514,10 @@ var BasePdfManager = (function BasePdfManagerClosure() {
} }
BasePdfManager.prototype = { BasePdfManager.prototype = {
get docId() {
return this._docId;
},
onLoadedStream: function BasePdfManager_onLoadedStream() { onLoadedStream: function BasePdfManager_onLoadedStream() {
throw new NotImplementedException(); throw new NotImplementedException();
}, },
@ -9422,7 +9579,8 @@ var BasePdfManager = (function BasePdfManagerClosure() {
})(); })();
var LocalPdfManager = (function LocalPdfManagerClosure() { var LocalPdfManager = (function LocalPdfManagerClosure() {
function LocalPdfManager(data, password) { function LocalPdfManager(docId, data, password) {
this._docId = docId;
var stream = new Stream(data); var stream = new Stream(data);
this.pdfDocument = new PDFDocument(this, stream, password); this.pdfDocument = new PDFDocument(this, stream, password);
this._loadedStreamCapability = createPromiseCapability(); this._loadedStreamCapability = createPromiseCapability();
@ -9473,8 +9631,8 @@ var LocalPdfManager = (function LocalPdfManagerClosure() {
})(); })();
var NetworkPdfManager = (function NetworkPdfManagerClosure() { var NetworkPdfManager = (function NetworkPdfManagerClosure() {
function NetworkPdfManager(args, msgHandler) { function NetworkPdfManager(docId, args, msgHandler) {
this._docId = docId;
this.msgHandler = msgHandler; this.msgHandler = msgHandler;
var params = { var params = {
@ -18305,7 +18463,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
// Keep track of each font we translated so the caller can // Keep track of each font we translated so the caller can
// load them asynchronously before calling display on a page. // load them asynchronously before calling display on a page.
font.loadedName = 'g_font_' + (fontRefIsDict ? font.loadedName = 'g_' + this.pdfManager.docId + '_f' + (fontRefIsDict ?
fontName.replace(/\W/g, '') : fontID); fontName.replace(/\W/g, '') : fontID);
font.translated = fontCapability.promise; font.translated = fontCapability.promise;
@ -41372,12 +41530,51 @@ var WorkerTask = (function WorkerTaskClosure() {
})(); })();
var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
setup: function wphSetup(handler) { setup: function wphSetup(handler, port) {
handler.on('test', function wphSetupTest(data) {
// check if Uint8Array can be sent to worker
if (!(data instanceof Uint8Array)) {
handler.send('test', 'main', false);
return;
}
// making sure postMessage transfers are working
var supportTransfers = data[0] === 255;
handler.postMessageTransfers = supportTransfers;
// check if the response property is supported by xhr
var xhr = new XMLHttpRequest();
var responseExists = 'response' in xhr;
// check if the property is actually implemented
try {
var dummy = xhr.responseType;
} catch (e) {
responseExists = false;
}
if (!responseExists) {
handler.send('test', false);
return;
}
handler.send('test', {
supportTypedArray: true,
supportTransfers: supportTransfers
});
});
handler.on('GetDocRequest', function wphSetupDoc(data) {
return WorkerMessageHandler.createDocumentHandler(data, port);
});
},
createDocumentHandler: function wphCreateDocumentHandler(data, port) {
// This context is actually holds references on pdfManager and handler,
// until the latter is destroyed.
var pdfManager; var pdfManager;
var terminated = false; var terminated = false;
var cancelXHRs = null; var cancelXHRs = null;
var WorkerTasks = []; var WorkerTasks = [];
var docId = data.docId;
var workerHandlerName = data.docId + '_worker';
var handler = new MessageHandler(workerHandlerName, docId, port);
function ensureNotTerminated() { function ensureNotTerminated() {
if (terminated) { if (terminated) {
throw new Error('Worker was terminated'); throw new Error('Worker was terminated');
@ -41435,7 +41632,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
var disableRange = data.disableRange; var disableRange = data.disableRange;
if (source.data) { if (source.data) {
try { try {
pdfManager = new LocalPdfManager(source.data, source.password); pdfManager = new LocalPdfManager(docId, source.data, source.password);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -41443,7 +41640,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
return pdfManagerCapability.promise; return pdfManagerCapability.promise;
} else if (source.chunkedViewerLoading) { } else if (source.chunkedViewerLoading) {
try { try {
pdfManager = new NetworkPdfManager(source, handler); pdfManager = new NetworkPdfManager(docId, source, handler);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -41500,7 +41697,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
} }
try { try {
pdfManager = new NetworkPdfManager(source, handler); pdfManager = new NetworkPdfManager(docId, source, handler);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -41545,7 +41742,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
// the data is array, instantiating directly from it // the data is array, instantiating directly from it
try { try {
pdfManager = new LocalPdfManager(pdfFile, source.password); pdfManager = new LocalPdfManager(docId, pdfFile, source.password);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -41583,35 +41780,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
return pdfManagerCapability.promise; return pdfManagerCapability.promise;
} }
handler.on('test', function wphSetupTest(data) { var setupDoc = function(data) {
// check if Uint8Array can be sent to worker
if (!(data instanceof Uint8Array)) {
handler.send('test', false);
return;
}
// making sure postMessage transfers are working
var supportTransfers = data[0] === 255;
handler.postMessageTransfers = supportTransfers;
// check if the response property is supported by xhr
var xhr = new XMLHttpRequest();
var responseExists = 'response' in xhr;
// check if the property is actually implemented
try {
var dummy = xhr.responseType;
} catch (e) {
responseExists = false;
}
if (!responseExists) {
handler.send('test', false);
return;
}
handler.send('test', {
supportTypedArray: true,
supportTransfers: supportTransfers
});
});
handler.on('GetDocRequest', function wphSetupDoc(data) {
var onSuccess = function(doc) { var onSuccess = function(doc) {
ensureNotTerminated(); ensureNotTerminated();
handler.send('GetDoc', { pdfInfo: doc }); handler.send('GetDoc', { pdfInfo: doc });
@ -41687,7 +41856,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
}); });
}, onFailure); }, onFailure);
}, onFailure); }, onFailure);
}); };
handler.on('GetPage', function wphSetupGetPage(data) { handler.on('GetPage', function wphSetupGetPage(data) {
return pdfManager.getPage(data.pageIndex).then(function(page) { return pdfManager.getPage(data.pageIndex).then(function(page) {
@ -41867,8 +42036,16 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
task.terminate(); task.terminate();
}); });
return Promise.all(waitOn).then(function () {}); return Promise.all(waitOn).then(function () {
// Notice that even if we destroying handler, resolved response promise
// must be sent back.
handler.destroy();
handler = null;
}); });
});
setupDoc(data);
return workerHandlerName;
} }
}; };
@ -41878,6 +42055,7 @@ var workerConsole = {
log: function log() { log: function log() {
var args = Array.prototype.slice.call(arguments); var args = Array.prototype.slice.call(arguments);
globalScope.postMessage({ globalScope.postMessage({
targetName: 'main',
action: 'console_log', action: 'console_log',
data: args data: args
}); });
@ -41886,6 +42064,7 @@ var workerConsole = {
error: function error() { error: function error() {
var args = Array.prototype.slice.call(arguments); var args = Array.prototype.slice.call(arguments);
globalScope.postMessage({ globalScope.postMessage({
targetName: 'main',
action: 'console_error', action: 'console_error',
data: args data: args
}); });
@ -41915,13 +42094,14 @@ if (typeof window === 'undefined') {
// Listen for unsupported features so we can pass them on to the main thread. // Listen for unsupported features so we can pass them on to the main thread.
PDFJS.UnsupportedManager.listen(function (msg) { PDFJS.UnsupportedManager.listen(function (msg) {
globalScope.postMessage({ globalScope.postMessage({
targetName: 'main',
action: '_unsupported_feature', action: '_unsupported_feature',
data: msg data: msg
}); });
}); });
var handler = new MessageHandler('worker_processor', this); var handler = new MessageHandler('worker', 'main', this);
WorkerMessageHandler.setup(handler); WorkerMessageHandler.setup(handler, this);
} }

539
build/pdf.js
Unescape View File

@ -20,8 +20,8 @@ if (typeof PDFJS === 'undefined') {
(typeof window !== 'undefined' ? window : this).PDFJS = {}; (typeof window !== 'undefined' ? window : this).PDFJS = {};
} }
PDFJS.version = '1.3.28'; PDFJS.version = '1.3.32';
PDFJS.build = 'c280fb5'; PDFJS.build = 'c2dfe9e';
(function pdfjsWrapper() { (function pdfjsWrapper() {
// Use strict in our context only - users might not want it // Use strict in our context only - users might not want it
@ -1520,26 +1520,20 @@ PDFJS.createObjectURL = (function createObjectURLClosure() {
}; };
})(); })();
function MessageHandler(name, comObj) { function MessageHandler(sourceName, targetName, comObj) {
this.name = name; this.sourceName = sourceName;
this.targetName = targetName;
this.comObj = comObj; this.comObj = comObj;
this.callbackIndex = 1; this.callbackIndex = 1;
this.postMessageTransfers = true; this.postMessageTransfers = true;
var callbacksCapabilities = this.callbacksCapabilities = {}; var callbacksCapabilities = this.callbacksCapabilities = {};
var ah = this.actionHandler = {}; var ah = this.actionHandler = {};
ah['console_log'] = [function ahConsoleLog(data) { this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
console.log.apply(console, data);
}];
ah['console_error'] = [function ahConsoleError(data) {
console.error.apply(console, data);
}];
ah['_unsupported_feature'] = [function ah_unsupportedFeature(data) {
UnsupportedManager.notify(data);
}];
comObj.onmessage = function messageHandlerComObjOnMessage(event) {
var data = event.data; var data = event.data;
if (data.targetName !== this.sourceName) {
return;
}
if (data.isReply) { if (data.isReply) {
var callbackId = data.callbackId; var callbackId = data.callbackId;
if (data.callbackId in callbacksCapabilities) { if (data.callbackId in callbacksCapabilities) {
@ -1556,10 +1550,14 @@ function MessageHandler(name, comObj) {
} else if (data.action in ah) { } else if (data.action in ah) {
var action = ah[data.action]; var action = ah[data.action];
if (data.callbackId) { if (data.callbackId) {
var sourceName = this.sourceName;
var targetName = data.sourceName;
Promise.resolve().then(function () { Promise.resolve().then(function () {
return action[0].call(action[1], data.data); return action[0].call(action[1], data.data);
}).then(function (result) { }).then(function (result) {
comObj.postMessage({ comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true, isReply: true,
callbackId: data.callbackId, callbackId: data.callbackId,
data: result data: result
@ -1570,6 +1568,8 @@ function MessageHandler(name, comObj) {
reason = reason + ''; reason = reason + '';
} }
comObj.postMessage({ comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true, isReply: true,
callbackId: data.callbackId, callbackId: data.callbackId,
error: reason error: reason
@ -1581,7 +1581,8 @@ function MessageHandler(name, comObj) {
} else { } else {
error('Unknown action from worker: ' + data.action); error('Unknown action from worker: ' + data.action);
} }
}; }.bind(this);
comObj.addEventListener('message', this._onComObjOnMessage);
} }
MessageHandler.prototype = { MessageHandler.prototype = {
@ -1600,6 +1601,8 @@ MessageHandler.prototype = {
*/ */
send: function messageHandlerSend(actionName, data, transfers) { send: function messageHandlerSend(actionName, data, transfers) {
var message = { var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName, action: actionName,
data: data data: data
}; };
@ -1617,6 +1620,8 @@ MessageHandler.prototype = {
function messageHandlerSendWithPromise(actionName, data, transfers) { function messageHandlerSendWithPromise(actionName, data, transfers) {
var callbackId = this.callbackIndex++; var callbackId = this.callbackIndex++;
var message = { var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName, action: actionName,
data: data, data: data,
callbackId: callbackId callbackId: callbackId
@ -1642,6 +1647,10 @@ MessageHandler.prototype = {
} else { } else {
this.comObj.postMessage(message); this.comObj.postMessage(message);
} }
},
destroy: function () {
this.comObj.removeEventListener('message', this._onComObjOnMessage);
} }
}; };
@ -1862,6 +1871,8 @@ PDFJS.isEvalSupported = (PDFJS.isEvalSupported === undefined ?
* @property {number} rangeChunkSize - Optional parameter to specify * @property {number} rangeChunkSize - Optional parameter to specify
* maximum number of bytes fetched per range request. The default value is * maximum number of bytes fetched per range request. The default value is
* 2^16 = 65536. * 2^16 = 65536.
* @property {PDFWorker} worker - The worker that will be used for the loading
* and parsing of the PDF data.
*/ */
/** /**
@ -1924,7 +1935,6 @@ PDFJS.getDocument = function getDocument(src,
task.onPassword = passwordCallback || null; task.onPassword = passwordCallback || null;
task.onProgress = progressCallback || null; task.onProgress = progressCallback || null;
var workerInitializedCapability, transport;
var source; var source;
if (typeof src === 'string') { if (typeof src === 'string') {
source = { url: src }; source = { url: src };
@ -1945,12 +1955,18 @@ PDFJS.getDocument = function getDocument(src,
} }
var params = {}; var params = {};
var rangeTransport = null;
var worker = null;
for (var key in source) { for (var key in source) {
if (key === 'url' && typeof window !== 'undefined') { if (key === 'url' && typeof window !== 'undefined') {
// The full path is required in the 'url' field. // The full path is required in the 'url' field.
params[key] = combineUrl(window.location.href, source[key]); params[key] = combineUrl(window.location.href, source[key]);
continue; continue;
} else if (key === 'range') { } else if (key === 'range') {
rangeTransport = source[key];
continue;
} else if (key === 'worker') {
worker = source[key];
continue; continue;
} else if (key === 'data' && !(source[key] instanceof Uint8Array)) { } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
// Converting string or array-like data to Uint8Array. // Converting string or array-like data to Uint8Array.
@ -1971,27 +1987,97 @@ PDFJS.getDocument = function getDocument(src,
params[key] = source[key]; params[key] = source[key];
} }
params.rangeChunkSize = source.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE; params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
workerInitializedCapability = createPromiseCapability(); if (!worker) {
transport = new WorkerTransport(workerInitializedCapability, source.range); // Worker was not provided -- creating and owning our own.
workerInitializedCapability.promise.then(function transportInitialized() { worker = new PDFWorker();
transport.fetchDocument(task, params); task._worker = worker;
}); }
var docId = task.docId;
worker.promise.then(function () {
if (task.destroyed) {
throw new Error('Loading aborted');
}
return _fetchDocument(worker, params, rangeTransport, docId).then(
function (workerId) {
if (task.destroyed) {
throw new Error('Loading aborted');
}
var messageHandler = new MessageHandler(docId, workerId, worker.port);
var transport = new WorkerTransport(messageHandler, task, rangeTransport);
task._transport = transport; task._transport = transport;
});
}, task._capability.reject);
return task; return task;
}; };
/**
* Starts fetching of specified PDF document/data.
* @param {PDFWorker} worker
* @param {Object} source
* @param {PDFDataRangeTransport} pdfDataRangeTransport
* @param {string} docId Unique document id, used as MessageHandler id.
* @returns {Promise} The promise, which is resolved when worker id of
* MessageHandler is known.
* @private
*/
function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
if (worker.destroyed) {
return Promise.reject(new Error('Worker was destroyed'));
}
source.disableAutoFetch = PDFJS.disableAutoFetch;
source.disableStream = PDFJS.disableStream;
source.chunkedViewerLoading = !!pdfDataRangeTransport;
if (pdfDataRangeTransport) {
source.length = pdfDataRangeTransport.length;
source.initialData = pdfDataRangeTransport.initialData;
}
return worker.messageHandler.sendWithPromise('GetDocRequest', {
docId: docId,
source: source,
disableRange: PDFJS.disableRange,
maxImageSize: PDFJS.maxImageSize,
cMapUrl: PDFJS.cMapUrl,
cMapPacked: PDFJS.cMapPacked,
disableFontFace: PDFJS.disableFontFace,
disableCreateObjectURL: PDFJS.disableCreateObjectURL,
verbosity: PDFJS.verbosity
}).then(function (workerId) {
if (worker.destroyed) {
throw new Error('Worker was destroyed');
}
return workerId;
});
}
/** /**
* PDF document loading operation. * PDF document loading operation.
* @class * @class
* @alias PDFDocumentLoadingTask * @alias PDFDocumentLoadingTask
*/ */
var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() { var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
var nextDocumentId = 0;
/** @constructs PDFDocumentLoadingTask */
function PDFDocumentLoadingTask() { function PDFDocumentLoadingTask() {
this._capability = createPromiseCapability(); this._capability = createPromiseCapability();
this._transport = null; this._transport = null;
this._worker = null;
/**
* Unique document loading task id -- used in MessageHandlers.
* @type {string}
*/
this.docId = 'd' + (nextDocumentId++);
/**
* Shows if loading task is destroyed.
* @type {boolean}
*/
this.destroyed = false;
/** /**
* Callback to request a password if wrong or no password was provided. * Callback to request a password if wrong or no password was provided.
@ -2023,7 +2109,17 @@ var PDFDocumentLoadingTask = (function PDFDocumentLoadingTaskClosure() {
* is completed. * is completed.
*/ */
destroy: function () { destroy: function () {
return this._transport.destroy(); this.destroyed = true;
var transportDestroyed = !this._transport ? Promise.resolve() :
this._transport.destroy();
return transportDestroyed.then(function () {
this._transport = null;
if (this._worker) {
this._worker.destroy();
this._worker = null;
}
}.bind(this));
}, },
/** /**
@ -2252,7 +2348,7 @@ var PDFDocumentProxy = (function PDFDocumentProxyClosure() {
* Destroys current document instance and terminates worker. * Destroys current document instance and terminates worker.
*/ */
destroy: function PDFDocumentProxy_destroy() { destroy: function PDFDocumentProxy_destroy() {
return this.transport.destroy(); return this.loadingTask.destroy();
} }
}; };
return PDFDocumentProxy; return PDFDocumentProxy;
@ -2649,28 +2745,58 @@ var PDFPageProxy = (function PDFPageProxyClosure() {
})(); })();
/** /**
* For internal use only. * PDF.js web worker abstraction, it controls instantiation of PDF documents and
* @ignore * WorkerTransport for them. If creation of a web worker is not possible,
* a "fake" worker will be used instead.
* @class
*/ */
var WorkerTransport = (function WorkerTransportClosure() { var PDFWorker = (function PDFWorkerClosure() {
function WorkerTransport(workerInitializedCapability, pdfDataRangeTransport) { var nextFakeWorkerId = 0;
this.pdfDataRangeTransport = pdfDataRangeTransport;
this.workerInitializedCapability = workerInitializedCapability;
this.commonObjs = new PDFObjects();
this.loadingTask = null; // Loads worker code into main thread.
function setupFakeWorkerGlobal() {
if (!PDFJS.fakeWorkerFilesLoadedCapability) {
PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability();
// In the developer build load worker_loader which in turn loads all the
// other files and resolves the promise. In production only the
// pdf.worker.js file is needed.
Util.loadScript(PDFJS.workerSrc, function() {
PDFJS.fakeWorkerFilesLoadedCapability.resolve();
});
}
return PDFJS.fakeWorkerFilesLoadedCapability.promise;
}
function PDFWorker(name) {
this.name = name;
this.destroyed = false; this.destroyed = false;
this.destroyCapability = null;
this.pageCache = []; this._readyCapability = createPromiseCapability();
this.pagePromises = []; this._port = null;
this.downloadInfoCapability = createPromiseCapability(); this._webWorker = null;
this._messageHandler = null;
this._initialize();
}
PDFWorker.prototype = /** @lends PDFWorker.prototype */ {
get promise() {
return this._readyCapability.promise;
},
get port() {
return this._port;
},
get messageHandler() {
return this._messageHandler;
},
_initialize: function PDFWorker_initialize() {
// If worker support isn't disabled explicit and the browser has worker // If worker support isn't disabled explicit and the browser has worker
// support, create a new web worker and test if it/the browser fullfills // support, create a new web worker and test if it/the browser fullfills
// all requirements to run parts of pdf.js in a web worker. // all requirements to run parts of pdf.js in a web worker.
// Right now, the requirement is, that an Uint8Array is still an Uint8Array // Right now, the requirement is, that an Uint8Array is still an
// as it arrives on the worker. Chrome added this with version 15. // Uint8Array as it arrives on the worker. (Chrome added this with v.15.)
if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') { if (!globalScope.PDFJS.disableWorker && typeof Worker !== 'undefined') {
var workerSrc = PDFJS.workerSrc; var workerSrc = PDFJS.workerSrc;
if (!workerSrc) { if (!workerSrc) {
@ -2681,23 +2807,41 @@ var WorkerTransport = (function WorkerTransportClosure() {
// Some versions of FF can't create a worker on localhost, see: // Some versions of FF can't create a worker on localhost, see:
// https://bugzilla.mozilla.org/show_bug.cgi?id=683280 // https://bugzilla.mozilla.org/show_bug.cgi?id=683280
var worker = new Worker(workerSrc); var worker = new Worker(workerSrc);
var messageHandler = new MessageHandler('main', worker); var messageHandler = new MessageHandler('main', 'worker', worker);
this.messageHandler = messageHandler;
messageHandler.on('test', function transportTest(data) { messageHandler.on('test', function PDFWorker_test(data) {
if (this.destroyed) {
this._readyCapability.reject(new Error('Worker was destroyed'));
messageHandler.destroy();
worker.terminate();
return; // worker was destroyed
}
var supportTypedArray = data && data.supportTypedArray; var supportTypedArray = data && data.supportTypedArray;
if (supportTypedArray) { if (supportTypedArray) {
this.worker = worker; this._messageHandler = messageHandler;
this._port = worker;
this._webWorker = worker;
if (!data.supportTransfers) { if (!data.supportTransfers) {
PDFJS.postMessageTransfers = false; PDFJS.postMessageTransfers = false;
} }
this.setupMessageHandler(messageHandler); this._readyCapability.resolve();
workerInitializedCapability.resolve();
} else { } else {
this.setupFakeWorker(); this._setupFakeWorker();
messageHandler.destroy();
worker.terminate();
} }
}.bind(this)); }.bind(this));
messageHandler.on('console_log', function (data) {
console.log.apply(console, data);
});
messageHandler.on('console_error', function (data) {
console.error.apply(console, data);
});
messageHandler.on('_unsupported_feature', function (data) {
UnsupportedManager.notify(data);
});
var testObj = new Uint8Array([PDFJS.postMessageTransfers ? 255 : 0]); var testObj = new Uint8Array([PDFJS.postMessageTransfers ? 255 : 0]);
// Some versions of Opera throw a DATA_CLONE_ERR on serializing the // Some versions of Opera throw a DATA_CLONE_ERR on serializing the
// typed array. Also, checking if we can use transfers. // typed array. Also, checking if we can use transfers.
@ -2715,7 +2859,95 @@ var WorkerTransport = (function WorkerTransportClosure() {
} }
// Either workers are disabled, not supported or have thrown an exception. // Either workers are disabled, not supported or have thrown an exception.
// Thus, we fallback to a faked worker. // Thus, we fallback to a faked worker.
this.setupFakeWorker(); this._setupFakeWorker();
},
_setupFakeWorker: function PDFWorker_setupFakeWorker() {
warn('Setting up fake worker.');
globalScope.PDFJS.disableWorker = true;
setupFakeWorkerGlobal().then(function () {
if (this.destroyed) {
this._readyCapability.reject(new Error('Worker was destroyed'));
return;
}
// If we don't use a worker, just post/sendMessage to the main thread.
var port = {
_listeners: [],
postMessage: function (obj) {
var e = {data: obj};
this._listeners.forEach(function (listener) {
listener.call(this, e);
}, this);
},
addEventListener: function (name, listener) {
this._listeners.push(listener);
},
removeEventListener: function (name, listener) {
var i = this._listeners.indexOf(listener);
this._listeners.splice(i, 1);
},
terminate: function () {}
};
this._port = port;
// All fake workers use the same port, making id unique.
var id = 'fake' + (nextFakeWorkerId++);
// If the main thread is our worker, setup the handling for the
// messages -- the main thread sends to it self.
var workerHandler = new MessageHandler(id + '_worker', id, port);
PDFJS.WorkerMessageHandler.setup(workerHandler, port);
var messageHandler = new MessageHandler(id, id + '_worker', port);
this._messageHandler = messageHandler;
this._readyCapability.resolve();
}.bind(this));
},
/**
* Destroys the worker instance.
*/
destroy: function PDFWorker_destroy() {
this.destroyed = true;
if (this._webWorker) {
// We need to terminate only web worker created resource.
this._webWorker.terminate();
this._webWorker = null;
}
this._port = null;
if (this._messageHandler) {
this._messageHandler.destroy();
this._messageHandler = null;
}
}
};
return PDFWorker;
})();
PDFJS.PDFWorker = PDFWorker;
/**
* For internal use only.
* @ignore
*/
var WorkerTransport = (function WorkerTransportClosure() {
function WorkerTransport(messageHandler, loadingTask, pdfDataRangeTransport) {
this.messageHandler = messageHandler;
this.loadingTask = loadingTask;
this.pdfDataRangeTransport = pdfDataRangeTransport;
this.commonObjs = new PDFObjects();
this.fontLoader = new FontLoader(loadingTask.docId);
this.destroyed = false;
this.destroyCapability = null;
this.pageCache = [];
this.pagePromises = [];
this.downloadInfoCapability = createPromiseCapability();
this.setupMessageHandler();
} }
WorkerTransport.prototype = { WorkerTransport.prototype = {
destroy: function WorkerTransport_destroy() { destroy: function WorkerTransport_destroy() {
@ -2741,56 +2973,23 @@ var WorkerTransport = (function WorkerTransportClosure() {
var terminated = this.messageHandler.sendWithPromise('Terminate', null); var terminated = this.messageHandler.sendWithPromise('Terminate', null);
waitOn.push(terminated); waitOn.push(terminated);
Promise.all(waitOn).then(function () { Promise.all(waitOn).then(function () {
FontLoader.clear(); self.fontLoader.clear();
if (self.worker) {
self.worker.terminate();
}
if (self.pdfDataRangeTransport) { if (self.pdfDataRangeTransport) {
self.pdfDataRangeTransport.abort(); self.pdfDataRangeTransport.abort();
self.pdfDataRangeTransport = null; self.pdfDataRangeTransport = null;
} }
if (self.messageHandler) {
self.messageHandler.destroy();
self.messageHandler = null; self.messageHandler = null;
}
self.destroyCapability.resolve(); self.destroyCapability.resolve();
}, this.destroyCapability.reject); }, this.destroyCapability.reject);
return this.destroyCapability.promise; return this.destroyCapability.promise;
}, },
setupFakeWorker: function WorkerTransport_setupFakeWorker() {
globalScope.PDFJS.disableWorker = true;
if (!PDFJS.fakeWorkerFilesLoadedCapability) {
PDFJS.fakeWorkerFilesLoadedCapability = createPromiseCapability();
// In the developer build load worker_loader which in turn loads all the
// other files and resolves the promise. In production only the
// pdf.worker.js file is needed.
Util.loadScript(PDFJS.workerSrc, function() {
PDFJS.fakeWorkerFilesLoadedCapability.resolve();
});
}
PDFJS.fakeWorkerFilesLoadedCapability.promise.then(function () {
warn('Setting up fake worker.');
// If we don't use a worker, just post/sendMessage to the main thread.
var fakeWorker = {
postMessage: function WorkerTransport_postMessage(obj) {
fakeWorker.onmessage({data: obj});
},
terminate: function WorkerTransport_terminate() {}
};
var messageHandler = new MessageHandler('main', fakeWorker);
this.setupMessageHandler(messageHandler);
// If the main thread is our worker, setup the handling for the messages
// the main thread sends to it self.
PDFJS.WorkerMessageHandler.setup(messageHandler);
this.workerInitializedCapability.resolve();
}.bind(this));
},
setupMessageHandler: setupMessageHandler:
function WorkerTransport_setupMessageHandler(messageHandler) { function WorkerTransport_setupMessageHandler() {
this.messageHandler = messageHandler; var messageHandler = this.messageHandler;
function updatePassword(password) { function updatePassword(password) {
messageHandler.send('UpdatePassword', password); messageHandler.send('UpdatePassword', password);
@ -2930,7 +3129,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
font = new FontFaceObject(exportedData); font = new FontFaceObject(exportedData);
} }
FontLoader.bind( this.fontLoader.bind(
[font], [font],
function fontReady(fontObjs) { function fontReady(fontObjs) {
this.commonObjs.resolve(id, font); this.commonObjs.resolve(id, font);
@ -3055,34 +3254,6 @@ var WorkerTransport = (function WorkerTransportClosure() {
}, this); }, this);
}, },
fetchDocument: function WorkerTransport_fetchDocument(loadingTask, source) {
if (this.destroyed) {
loadingTask._capability.reject(new Error('Loading aborted'));
this.destroyCapability.resolve();
return;
}
this.loadingTask = loadingTask;
source.disableAutoFetch = PDFJS.disableAutoFetch;
source.disableStream = PDFJS.disableStream;
source.chunkedViewerLoading = !!this.pdfDataRangeTransport;
if (this.pdfDataRangeTransport) {
source.length = this.pdfDataRangeTransport.length;
source.initialData = this.pdfDataRangeTransport.initialData;
}
this.messageHandler.send('GetDocRequest', {
source: source,
disableRange: PDFJS.disableRange,
maxImageSize: PDFJS.maxImageSize,
cMapUrl: PDFJS.cMapUrl,
cMapPacked: PDFJS.cMapPacked,
disableFontFace: PDFJS.disableFontFace,
disableCreateObjectURL: PDFJS.disableCreateObjectURL,
verbosity: PDFJS.verbosity
});
},
getData: function WorkerTransport_getData() { getData: function WorkerTransport_getData() {
return this.messageHandler.sendWithPromise('GetData', null); return this.messageHandler.sendWithPromise('GetData', null);
}, },
@ -3166,7 +3337,7 @@ var WorkerTransport = (function WorkerTransportClosure() {
} }
} }
this.commonObjs.clear(); this.commonObjs.clear();
FontLoader.clear(); this.fontLoader.clear();
}.bind(this)); }.bind(this));
} }
}; };
@ -6515,12 +6686,22 @@ var TilingPattern = (function TilingPatternClosure() {
PDFJS.disableFontFace = false; PDFJS.disableFontFace = false;
var FontLoader = { function FontLoader(docId) {
this.docId = docId;
this.styleElement = null;
this.nativeFontFaces = [];
this.loadTestFontId = 0;
this.loadingContext = {
requests: [],
nextRequestId: 0
};
}
FontLoader.prototype = {
insertRule: function fontLoaderInsertRule(rule) { insertRule: function fontLoaderInsertRule(rule) {
var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG'); var styleElement = this.styleElement;
if (!styleElement) { if (!styleElement) {
styleElement = document.createElement('style'); styleElement = this.styleElement = document.createElement('style');
styleElement.id = 'PDFJS_FONT_STYLE_TAG'; styleElement.id = 'PDFJS_FONT_STYLE_TAG_' + this.docId;
document.documentElement.getElementsByTagName('head')[0].appendChild( document.documentElement.getElementsByTagName('head')[0].appendChild(
styleElement); styleElement);
} }
@ -6530,7 +6711,7 @@ var FontLoader = {
}, },
clear: function fontLoaderClear() { clear: function fontLoaderClear() {
var styleElement = document.getElementById('PDFJS_FONT_STYLE_TAG'); var styleElement = this.styleElement;
if (styleElement) { if (styleElement) {
styleElement.parentNode.removeChild(styleElement); styleElement.parentNode.removeChild(styleElement);
} }
@ -6568,49 +6749,6 @@ var FontLoader = {
)); ));
}, },
get isEvalSupported() {
var evalSupport = false;
if (PDFJS.isEvalSupported) {
try {
/* jshint evil: true */
new Function('');
evalSupport = true;
} catch (e) {}
}
return shadow(this, 'isEvalSupported', evalSupport);
},
loadTestFontId: 0,
loadingContext: {
requests: [],
nextRequestId: 0
},
isSyncFontLoadingSupported: (function detectSyncFontLoadingSupport() {
if (isWorker) {
return false;
}
// User agent string sniffing is bad, but there is no reliable way to tell
// if font is fully loaded and ready to be used with canvas.
var userAgent = window.navigator.userAgent;
var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent);
if (m && m[1] >= 14) {
return true;
}
// TODO other browsers
if (userAgent === 'node') {
return true;
}
return false;
})(),
nativeFontFaces: [],
isFontLoadingAPISupported: (!isWorker && typeof document !== 'undefined' &&
!!document.fonts),
addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) { addNativeFontFace: function fontLoader_addNativeFontFace(nativeFontFace) {
this.nativeFontFaces.push(nativeFontFace); this.nativeFontFaces.push(nativeFontFace);
document.fonts.add(nativeFontFace); document.fonts.add(nativeFontFace);
@ -6639,27 +6777,29 @@ var FontLoader = {
} }
font.attached = true; font.attached = true;
if (this.isFontLoadingAPISupported) { if (FontLoader.isFontLoadingAPISupported) {
var nativeFontFace = font.createNativeFontFace(); var nativeFontFace = font.createNativeFontFace();
if (nativeFontFace) { if (nativeFontFace) {
this.addNativeFontFace(nativeFontFace);
fontLoadPromises.push(getNativeFontPromise(nativeFontFace)); fontLoadPromises.push(getNativeFontPromise(nativeFontFace));
} }
} else { } else {
var rule = font.bindDOM(); var rule = font.createFontFaceRule();
if (rule) { if (rule) {
this.insertRule(rule);
rules.push(rule); rules.push(rule);
fontsToLoad.push(font); fontsToLoad.push(font);
} }
} }
} }
var request = FontLoader.queueLoadingCallback(callback); var request = this.queueLoadingCallback(callback);
if (this.isFontLoadingAPISupported) { if (FontLoader.isFontLoadingAPISupported) {
Promise.all(fontLoadPromises).then(function() { Promise.all(fontLoadPromises).then(function() {
request.complete(); request.complete();
}); });
} else if (rules.length > 0 && !this.isSyncFontLoadingSupported) { } else if (rules.length > 0 && !FontLoader.isSyncFontLoadingSupported) {
FontLoader.prepareFontLoadEvent(rules, fontsToLoad, request); this.prepareFontLoadEvent(rules, fontsToLoad, request);
} else { } else {
request.complete(); request.complete();
} }
@ -6677,7 +6817,7 @@ var FontLoader = {
} }
} }
var context = FontLoader.loadingContext; var context = this.loadingContext;
var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++); var requestId = 'pdfjs-font-loading-' + (context.nextRequestId++);
var request = { var request = {
id: requestId, id: requestId,
@ -6764,7 +6904,7 @@ var FontLoader = {
var url = 'url(data:font/opentype;base64,' + btoa(data) + ');'; var url = 'url(data:font/opentype;base64,' + btoa(data) + ');';
var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' + var rule = '@font-face { font-family:"' + loadTestFontId + '";src:' +
url + '}'; url + '}';
FontLoader.insertRule(rule); this.insertRule(rule);
var names = []; var names = [];
for (i = 0, ii = fonts.length; i < ii; i++) { for (i = 0, ii = fonts.length; i < ii; i++) {
@ -6792,19 +6932,52 @@ var FontLoader = {
/** Hack end */ /** Hack end */
} }
}; };
FontLoader.isFontLoadingAPISupported = (!isWorker &&
typeof document !== 'undefined' && !!document.fonts);
Object.defineProperty(FontLoader, 'isSyncFontLoadingSupported', {
get: function () {
var supported = false;
// User agent string sniffing is bad, but there is no reliable way to tell
// if font is fully loaded and ready to be used with canvas.
var userAgent = window.navigator.userAgent;
var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(userAgent);
if (m && m[1] >= 14) {
supported = true;
}
// TODO other browsers
if (userAgent === 'node') {
supported = true;
}
return shadow(FontLoader, 'isSyncFontLoadingSupported', supported);
},
enumerable: true,
configurable: true
});
var FontFaceObject = (function FontFaceObjectClosure() { var FontFaceObject = (function FontFaceObjectClosure() {
function FontFaceObject(name, file, properties) { function FontFaceObject(translatedData) {
this.compiledGlyphs = {}; this.compiledGlyphs = {};
if (arguments.length === 1) {
// importing translated data // importing translated data
var data = arguments[0]; for (var i in translatedData) {
for (var i in data) { this[i] = translatedData[i];
this[i] = data[i];
} }
return;
} }
Object.defineProperty(FontFaceObject, 'isEvalSupported', {
get: function () {
var evalSupport = false;
if (PDFJS.isEvalSupported) {
try {
/* jshint evil: true */
new Function('');
evalSupport = true;
} catch (e) {}
} }
return shadow(this, 'isEvalSupported', evalSupport);
},
enumerable: true,
configurable: true
});
FontFaceObject.prototype = { FontFaceObject.prototype = {
createNativeFontFace: function FontFaceObject_createNativeFontFace() { createNativeFontFace: function FontFaceObject_createNativeFontFace() {
if (!this.data) { if (!this.data) {
@ -6818,8 +6991,6 @@ var FontFaceObject = (function FontFaceObjectClosure() {
var nativeFontFace = new FontFace(this.loadedName, this.data, {}); var nativeFontFace = new FontFace(this.loadedName, this.data, {});
FontLoader.addNativeFontFace(nativeFontFace);
if (PDFJS.pdfBug && 'FontInspector' in globalScope && if (PDFJS.pdfBug && 'FontInspector' in globalScope &&
globalScope['FontInspector'].enabled) { globalScope['FontInspector'].enabled) {
globalScope['FontInspector'].fontAdded(this); globalScope['FontInspector'].fontAdded(this);
@ -6827,7 +6998,7 @@ var FontFaceObject = (function FontFaceObjectClosure() {
return nativeFontFace; return nativeFontFace;
}, },
bindDOM: function FontFaceObject_bindDOM() { createFontFaceRule: function FontFaceObject_createFontFaceRule() {
if (!this.data) { if (!this.data) {
return null; return null;
} }
@ -6844,7 +7015,6 @@ var FontFaceObject = (function FontFaceObjectClosure() {
var url = ('url(data:' + this.mimetype + ';base64,' + var url = ('url(data:' + this.mimetype + ';base64,' +
window.btoa(data) + ');'); window.btoa(data) + ');');
var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}'; var rule = '@font-face { font-family:"' + fontName + '";src:' + url + '}';
FontLoader.insertRule(rule);
if (PDFJS.pdfBug && 'FontInspector' in globalScope && if (PDFJS.pdfBug && 'FontInspector' in globalScope &&
globalScope['FontInspector'].enabled) { globalScope['FontInspector'].enabled) {
@ -6854,13 +7024,14 @@ var FontFaceObject = (function FontFaceObjectClosure() {
return rule; return rule;
}, },
getPathGenerator: function FontLoader_getPathGenerator(objs, character) { getPathGenerator:
function FontFaceObject_getPathGenerator(objs, character) {
if (!(character in this.compiledGlyphs)) { if (!(character in this.compiledGlyphs)) {
var cmds = objs.get(this.loadedName + '_path_' + character); var cmds = objs.get(this.loadedName + '_path_' + character);
var current, i, len; var current, i, len;
// If we can, compile cmds into JS for MAXIMUM SPEED // If we can, compile cmds into JS for MAXIMUM SPEED
if (FontLoader.isEvalSupported) { if (FontFaceObject.isEvalSupported) {
var args, js = ''; var args, js = '';
for (i = 0, len = cmds.length; i < len; i++) { for (i = 0, len = cmds.length; i < len; i++) {
current = cmds[i]; current = cmds[i];

152
build/pdf.worker.js vendored
Unescape View File

@ -20,8 +20,8 @@ if (typeof PDFJS === 'undefined') {
(typeof window !== 'undefined' ? window : this).PDFJS = {}; (typeof window !== 'undefined' ? window : this).PDFJS = {};
} }
PDFJS.version = '1.3.28'; PDFJS.version = '1.3.32';
PDFJS.build = 'c280fb5'; PDFJS.build = 'c2dfe9e';
(function pdfjsWrapper() { (function pdfjsWrapper() {
// Use strict in our context only - users might not want it // Use strict in our context only - users might not want it
@ -1520,26 +1520,20 @@ PDFJS.createObjectURL = (function createObjectURLClosure() {
}; };
})(); })();
function MessageHandler(name, comObj) { function MessageHandler(sourceName, targetName, comObj) {
this.name = name; this.sourceName = sourceName;
this.targetName = targetName;
this.comObj = comObj; this.comObj = comObj;
this.callbackIndex = 1; this.callbackIndex = 1;
this.postMessageTransfers = true; this.postMessageTransfers = true;
var callbacksCapabilities = this.callbacksCapabilities = {}; var callbacksCapabilities = this.callbacksCapabilities = {};
var ah = this.actionHandler = {}; var ah = this.actionHandler = {};
ah['console_log'] = [function ahConsoleLog(data) { this._onComObjOnMessage = function messageHandlerComObjOnMessage(event) {
console.log.apply(console, data);
}];
ah['console_error'] = [function ahConsoleError(data) {
console.error.apply(console, data);
}];
ah['_unsupported_feature'] = [function ah_unsupportedFeature(data) {
UnsupportedManager.notify(data);
}];
comObj.onmessage = function messageHandlerComObjOnMessage(event) {
var data = event.data; var data = event.data;
if (data.targetName !== this.sourceName) {
return;
}
if (data.isReply) { if (data.isReply) {
var callbackId = data.callbackId; var callbackId = data.callbackId;
if (data.callbackId in callbacksCapabilities) { if (data.callbackId in callbacksCapabilities) {
@ -1556,10 +1550,14 @@ function MessageHandler(name, comObj) {
} else if (data.action in ah) { } else if (data.action in ah) {
var action = ah[data.action]; var action = ah[data.action];
if (data.callbackId) { if (data.callbackId) {
var sourceName = this.sourceName;
var targetName = data.sourceName;
Promise.resolve().then(function () { Promise.resolve().then(function () {
return action[0].call(action[1], data.data); return action[0].call(action[1], data.data);
}).then(function (result) { }).then(function (result) {
comObj.postMessage({ comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true, isReply: true,
callbackId: data.callbackId, callbackId: data.callbackId,
data: result data: result
@ -1570,6 +1568,8 @@ function MessageHandler(name, comObj) {
reason = reason + ''; reason = reason + '';
} }
comObj.postMessage({ comObj.postMessage({
sourceName: sourceName,
targetName: targetName,
isReply: true, isReply: true,
callbackId: data.callbackId, callbackId: data.callbackId,
error: reason error: reason
@ -1581,7 +1581,8 @@ function MessageHandler(name, comObj) {
} else { } else {
error('Unknown action from worker: ' + data.action); error('Unknown action from worker: ' + data.action);
} }
}; }.bind(this);
comObj.addEventListener('message', this._onComObjOnMessage);
} }
MessageHandler.prototype = { MessageHandler.prototype = {
@ -1600,6 +1601,8 @@ MessageHandler.prototype = {
*/ */
send: function messageHandlerSend(actionName, data, transfers) { send: function messageHandlerSend(actionName, data, transfers) {
var message = { var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName, action: actionName,
data: data data: data
}; };
@ -1617,6 +1620,8 @@ MessageHandler.prototype = {
function messageHandlerSendWithPromise(actionName, data, transfers) { function messageHandlerSendWithPromise(actionName, data, transfers) {
var callbackId = this.callbackIndex++; var callbackId = this.callbackIndex++;
var message = { var message = {
sourceName: this.sourceName,
targetName: this.targetName,
action: actionName, action: actionName,
data: data, data: data,
callbackId: callbackId callbackId: callbackId
@ -1642,6 +1647,10 @@ MessageHandler.prototype = {
} else { } else {
this.comObj.postMessage(message); this.comObj.postMessage(message);
} }
},
destroy: function () {
this.comObj.removeEventListener('message', this._onComObjOnMessage);
} }
}; };
@ -2445,6 +2454,10 @@ var BasePdfManager = (function BasePdfManagerClosure() {
} }
BasePdfManager.prototype = { BasePdfManager.prototype = {
get docId() {
return this._docId;
},
onLoadedStream: function BasePdfManager_onLoadedStream() { onLoadedStream: function BasePdfManager_onLoadedStream() {
throw new NotImplementedException(); throw new NotImplementedException();
}, },
@ -2506,7 +2519,8 @@ var BasePdfManager = (function BasePdfManagerClosure() {
})(); })();
var LocalPdfManager = (function LocalPdfManagerClosure() { var LocalPdfManager = (function LocalPdfManagerClosure() {
function LocalPdfManager(data, password) { function LocalPdfManager(docId, data, password) {
this._docId = docId;
var stream = new Stream(data); var stream = new Stream(data);
this.pdfDocument = new PDFDocument(this, stream, password); this.pdfDocument = new PDFDocument(this, stream, password);
this._loadedStreamCapability = createPromiseCapability(); this._loadedStreamCapability = createPromiseCapability();
@ -2557,8 +2571,8 @@ var LocalPdfManager = (function LocalPdfManagerClosure() {
})(); })();
var NetworkPdfManager = (function NetworkPdfManagerClosure() { var NetworkPdfManager = (function NetworkPdfManagerClosure() {
function NetworkPdfManager(args, msgHandler) { function NetworkPdfManager(docId, args, msgHandler) {
this._docId = docId;
this.msgHandler = msgHandler; this.msgHandler = msgHandler;
var params = { var params = {
@ -11389,7 +11403,7 @@ var PartialEvaluator = (function PartialEvaluatorClosure() {
// Keep track of each font we translated so the caller can // Keep track of each font we translated so the caller can
// load them asynchronously before calling display on a page. // load them asynchronously before calling display on a page.
font.loadedName = 'g_font_' + (fontRefIsDict ? font.loadedName = 'g_' + this.pdfManager.docId + '_f' + (fontRefIsDict ?
fontName.replace(/\W/g, '') : fontID); fontName.replace(/\W/g, '') : fontID);
font.translated = fontCapability.promise; font.translated = fontCapability.promise;
@ -34456,12 +34470,51 @@ var WorkerTask = (function WorkerTaskClosure() {
})(); })();
var WorkerMessageHandler = PDFJS.WorkerMessageHandler = { var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
setup: function wphSetup(handler) { setup: function wphSetup(handler, port) {
handler.on('test', function wphSetupTest(data) {
// check if Uint8Array can be sent to worker
if (!(data instanceof Uint8Array)) {
handler.send('test', 'main', false);
return;
}
// making sure postMessage transfers are working
var supportTransfers = data[0] === 255;
handler.postMessageTransfers = supportTransfers;
// check if the response property is supported by xhr
var xhr = new XMLHttpRequest();
var responseExists = 'response' in xhr;
// check if the property is actually implemented
try {
var dummy = xhr.responseType;
} catch (e) {
responseExists = false;
}
if (!responseExists) {
handler.send('test', false);
return;
}
handler.send('test', {
supportTypedArray: true,
supportTransfers: supportTransfers
});
});
handler.on('GetDocRequest', function wphSetupDoc(data) {
return WorkerMessageHandler.createDocumentHandler(data, port);
});
},
createDocumentHandler: function wphCreateDocumentHandler(data, port) {
// This context is actually holds references on pdfManager and handler,
// until the latter is destroyed.
var pdfManager; var pdfManager;
var terminated = false; var terminated = false;
var cancelXHRs = null; var cancelXHRs = null;
var WorkerTasks = []; var WorkerTasks = [];
var docId = data.docId;
var workerHandlerName = data.docId + '_worker';
var handler = new MessageHandler(workerHandlerName, docId, port);
function ensureNotTerminated() { function ensureNotTerminated() {
if (terminated) { if (terminated) {
throw new Error('Worker was terminated'); throw new Error('Worker was terminated');
@ -34519,7 +34572,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
var disableRange = data.disableRange; var disableRange = data.disableRange;
if (source.data) { if (source.data) {
try { try {
pdfManager = new LocalPdfManager(source.data, source.password); pdfManager = new LocalPdfManager(docId, source.data, source.password);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -34527,7 +34580,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
return pdfManagerCapability.promise; return pdfManagerCapability.promise;
} else if (source.chunkedViewerLoading) { } else if (source.chunkedViewerLoading) {
try { try {
pdfManager = new NetworkPdfManager(source, handler); pdfManager = new NetworkPdfManager(docId, source, handler);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -34584,7 +34637,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
} }
try { try {
pdfManager = new NetworkPdfManager(source, handler); pdfManager = new NetworkPdfManager(docId, source, handler);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -34629,7 +34682,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
// the data is array, instantiating directly from it // the data is array, instantiating directly from it
try { try {
pdfManager = new LocalPdfManager(pdfFile, source.password); pdfManager = new LocalPdfManager(docId, pdfFile, source.password);
pdfManagerCapability.resolve(pdfManager); pdfManagerCapability.resolve(pdfManager);
} catch (ex) { } catch (ex) {
pdfManagerCapability.reject(ex); pdfManagerCapability.reject(ex);
@ -34667,35 +34720,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
return pdfManagerCapability.promise; return pdfManagerCapability.promise;
} }
handler.on('test', function wphSetupTest(data) { var setupDoc = function(data) {
// check if Uint8Array can be sent to worker
if (!(data instanceof Uint8Array)) {
handler.send('test', false);
return;
}
// making sure postMessage transfers are working
var supportTransfers = data[0] === 255;
handler.postMessageTransfers = supportTransfers;
// check if the response property is supported by xhr
var xhr = new XMLHttpRequest();
var responseExists = 'response' in xhr;
// check if the property is actually implemented
try {
var dummy = xhr.responseType;
} catch (e) {
responseExists = false;
}
if (!responseExists) {
handler.send('test', false);
return;
}
handler.send('test', {
supportTypedArray: true,
supportTransfers: supportTransfers
});
});
handler.on('GetDocRequest', function wphSetupDoc(data) {
var onSuccess = function(doc) { var onSuccess = function(doc) {
ensureNotTerminated(); ensureNotTerminated();
handler.send('GetDoc', { pdfInfo: doc }); handler.send('GetDoc', { pdfInfo: doc });
@ -34771,7 +34796,7 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
}); });
}, onFailure); }, onFailure);
}, onFailure); }, onFailure);
}); };
handler.on('GetPage', function wphSetupGetPage(data) { handler.on('GetPage', function wphSetupGetPage(data) {
return pdfManager.getPage(data.pageIndex).then(function(page) { return pdfManager.getPage(data.pageIndex).then(function(page) {
@ -34951,8 +34976,16 @@ var WorkerMessageHandler = PDFJS.WorkerMessageHandler = {
task.terminate(); task.terminate();
}); });
return Promise.all(waitOn).then(function () {}); return Promise.all(waitOn).then(function () {
// Notice that even if we destroying handler, resolved response promise
// must be sent back.
handler.destroy();
handler = null;
}); });
});
setupDoc(data);
return workerHandlerName;
} }
}; };
@ -34962,6 +34995,7 @@ var workerConsole = {
log: function log() { log: function log() {
var args = Array.prototype.slice.call(arguments); var args = Array.prototype.slice.call(arguments);
globalScope.postMessage({ globalScope.postMessage({
targetName: 'main',
action: 'console_log', action: 'console_log',
data: args data: args
}); });
@ -34970,6 +35004,7 @@ var workerConsole = {
error: function error() { error: function error() {
var args = Array.prototype.slice.call(arguments); var args = Array.prototype.slice.call(arguments);
globalScope.postMessage({ globalScope.postMessage({
targetName: 'main',
action: 'console_error', action: 'console_error',
data: args data: args
}); });
@ -34999,13 +35034,14 @@ if (typeof window === 'undefined') {
// Listen for unsupported features so we can pass them on to the main thread. // Listen for unsupported features so we can pass them on to the main thread.
PDFJS.UnsupportedManager.listen(function (msg) { PDFJS.UnsupportedManager.listen(function (msg) {
globalScope.postMessage({ globalScope.postMessage({
targetName: 'main',
action: '_unsupported_feature', action: '_unsupported_feature',
data: msg data: msg
}); });
}); });
var handler = new MessageHandler('worker_processor', this); var handler = new MessageHandler('worker', 'main', this);
WorkerMessageHandler.setup(handler); WorkerMessageHandler.setup(handler, this);
} }

2
package.json
Unescape View File

@ -1,6 +1,6 @@
{ {
"name": "pdfjs-dist", "name": "pdfjs-dist",
"version": "1.3.28", "version": "1.3.32",
"description": "Generic build of Mozilla's PDF.js library.", "description": "Generic build of Mozilla's PDF.js library.",
"keywords": [ "keywords": [
"Mozilla", "Mozilla",

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