From facefb0c7910fe303325d96c35bdb0dbf91d7b6c Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Thu, 23 Feb 2017 16:35:35 -0600
Subject: [PATCH] Move compatibility code to the shared/compatibility.js.
---
examples/components/pageviewer.html | 3 -
examples/components/simpleviewer.html | 3 -
examples/learning/helloworld64.html | 3 -
gulpfile.js | 19 +-
make.js | 1 -
src/core/worker.js | 42 -
src/shared/compatibility.js | 1775 +++++++++++++++++++++++++
src/shared/util.js | 1015 +-------------
web/compatibility.js | 653 +--------
web/viewer.html | 4 +-
10 files changed, 1801 insertions(+), 1717 deletions(-)
create mode 100644 src/shared/compatibility.js
diff --git a/examples/components/pageviewer.html b/examples/components/pageviewer.html
index aee52ad09..6e57aa39b 100644
--- a/examples/components/pageviewer.html
+++ b/examples/components/pageviewer.html
@@ -31,9 +31,6 @@ limitations under the License.
<link rel="stylesheet" href="../../build/dist/web/pdf_viewer.css">
- <!-- for legacy browsers -->
- <script src="../../build/dist/web/compatibility.js"></script>
-
<script src="../../build/dist/build/pdf.js"></script>
<script src="../../build/dist/web/pdf_viewer.js"></script>
</head>
diff --git a/examples/components/simpleviewer.html b/examples/components/simpleviewer.html
index 25dc7b71f..692d1ee04 100644
--- a/examples/components/simpleviewer.html
+++ b/examples/components/simpleviewer.html
@@ -37,9 +37,6 @@ limitations under the License.
<link rel="stylesheet" href="../../build/dist/web/pdf_viewer.css">
- <!-- for legacy browsers -->
- <script src="../../build/dist/web/compatibility.js"></script>
-
<script src="../../build/dist/build/pdf.js"></script>
<script src="../../build/dist/web/pdf_viewer.js"></script>
</head>
diff --git a/examples/learning/helloworld64.html b/examples/learning/helloworld64.html
index 891c2351d..0b2f09d0e 100644
--- a/examples/learning/helloworld64.html
+++ b/examples/learning/helloworld64.html
@@ -10,9 +10,6 @@
<canvas id="the-canvas" style="border:1px solid black"></canvas>
-<!-- for legacy browsers we need to use compatibility.js -->
-<script src="../../web/compatibility.js"></script>
-
<script src="../../build/generic/build/pdf.js"></script>
<script id="script">
diff --git a/gulpfile.js b/gulpfile.js
index 9d7d245e6..4a8cb76df 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -245,6 +245,20 @@ function createComponentsBundle(defines) {
.pipe(replaceJSRootName(componentsAMDName));
}
+function createCompatibilityBundle(defines) {
+ var compatibilityAMDName = 'pdfjs-dist/web/compatibility';
+ var compatibilityOutputName = 'compatibility.js';
+
+ var compatibilityFileConfig = createWebpackConfig(defines, {
+ filename: compatibilityOutputName,
+ library: compatibilityAMDName,
+ libraryTarget: 'umd',
+ umdNamedDefine: true
+ });
+ return gulp.src('./web/compatibility.js')
+ .pipe(webpack2Stream(compatibilityFileConfig));
+}
+
function checkFile(path) {
try {
var stat = fs.lstatSync(path);
@@ -536,8 +550,7 @@ gulp.task('generic', ['buildnumber', 'locale'], function () {
.pipe(gulp.dest(GENERIC_DIR + 'web')),
gulp.src('LICENSE').pipe(gulp.dest(GENERIC_DIR)),
gulp.src([
- 'external/webL10n/l10n.js',
- 'web/compatibility.js'
+ 'external/webL10n/l10n.js'
]).pipe(gulp.dest(GENERIC_DIR + 'web')),
gulp.src([
'web/locale/*/viewer.properties',
@@ -572,8 +585,8 @@ gulp.task('components', ['buildnumber'], function () {
return merge([
createComponentsBundle(defines).pipe(gulp.dest(COMPONENTS_DIR)),
+ createCompatibilityBundle(defines).pipe(gulp.dest(COMPONENTS_DIR)),
gulp.src(COMPONENTS_IMAGES).pipe(gulp.dest(COMPONENTS_DIR + 'images')),
- gulp.src('web/compatibility.js').pipe(gulp.dest(COMPONENTS_DIR)),
preprocessCSS('web/pdf_viewer.css', 'components', defines, true)
.pipe(gulp.dest(COMPONENTS_DIR)),
]);
diff --git a/make.js b/make.js
index b3e1e2ca0..441a772bb 100644
--- a/make.js
+++ b/make.js
@@ -298,7 +298,6 @@ target.minified = function() {
target.minifiedpost = function () {
var viewerFiles = [
- 'web/compatibility.js',
'external/webL10n/l10n.js',
MINIFIED_DIR + BUILD_DIR + 'pdf.js',
MINIFIED_DIR + '/web/viewer.js'
diff --git a/src/core/worker.js b/src/core/worker.js
index 4f4b7a1c1..756c9e8a6 100644
--- a/src/core/worker.js
+++ b/src/core/worker.js
@@ -41,7 +41,6 @@ var arrayByteLength = sharedUtil.arrayByteLength;
var arraysToBytes = sharedUtil.arraysToBytes;
var assert = sharedUtil.assert;
var createPromiseCapability = sharedUtil.createPromiseCapability;
-var error = sharedUtil.error;
var info = sharedUtil.info;
var warn = sharedUtil.warn;
var setVerbosityLevel = sharedUtil.setVerbosityLevel;
@@ -49,7 +48,6 @@ var isNodeJS = sharedUtil.isNodeJS;
var Ref = corePrimitives.Ref;
var LocalPdfManager = corePdfManager.LocalPdfManager;
var NetworkPdfManager = corePdfManager.NetworkPdfManager;
-var globalScope = sharedUtil.globalScope;
var WorkerTask = (function WorkerTaskClosure() {
function WorkerTask(name) {
@@ -962,46 +960,6 @@ var WorkerMessageHandler = {
};
function initializeWorker() {
- if ((typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) &&
- !('console' in globalScope)) {
- var consoleTimer = {};
-
- var workerConsole = {
- log: function log() {
- var args = Array.prototype.slice.call(arguments);
- globalScope.postMessage({
- targetName: 'main',
- action: 'console_log',
- data: args
- });
- },
-
- error: function error() {
- var args = Array.prototype.slice.call(arguments);
- globalScope.postMessage({
- targetName: 'main',
- action: 'console_error',
- data: args
- });
- throw 'pdf.js execution error';
- },
-
- time: function time(name) {
- consoleTimer[name] = Date.now();
- },
-
- timeEnd: function timeEnd(name) {
- var time = consoleTimer[name];
- if (!time) {
- error('Unknown timer name ' + name);
- }
- this.log('Timer:', name, Date.now() - time);
- }
- };
-
- globalScope.console = workerConsole;
- }
-
var handler = new MessageHandler('worker', 'main', self);
WorkerMessageHandler.setup(handler, self);
handler.send('ready', null);
diff --git a/src/shared/compatibility.js b/src/shared/compatibility.js
new file mode 100644
index 000000000..ada8d4e4f
--- /dev/null
+++ b/src/shared/compatibility.js
@@ -0,0 +1,1775 @@
+/* Copyright 2017 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.
+ */
+/* eslint-disable no-extend-native */
+/* globals VBArray, PDFJS, global */
+
+'use strict';
+
+(function (root, factory) {
+ if (typeof define === 'function' && define.amd) {
+ define('pdfjs/shared/compatibility', ['exports'], factory);
+ } else if (typeof exports !== 'undefined') {
+ factory(exports);
+ } else {
+ factory((root.pdfjsSharedCompatibility = {}));
+ }
+}(this, function (exports) {
+
+// Skip compatibility checks for the extensions and if we already run
+// this module.
+if ((typeof PDFJSDev === 'undefined' ||
+ !PDFJSDev.test('FIREFOX || MOZCENTRAL || CHROME')) &&
+ (typeof PDFJS === 'undefined' || !PDFJS.compatibilityChecked)) {
+
+var globalScope = (typeof window !== 'undefined') ? window :
+ (typeof global !== 'undefined') ? global :
+ (typeof self !== 'undefined') ? self : this;
+
+var userAgent = (typeof navigator !== 'undefined' && navigator.userAgent) || '';
+var isAndroid = /Android/.test(userAgent);
+var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
+var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
+var isChrome = userAgent.indexOf('Chrom') >= 0;
+var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
+var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
+var isIE = userAgent.indexOf('Trident') >= 0;
+var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
+var isOpera = userAgent.indexOf('Opera') >= 0;
+var isSafari = /Safari\//.test(userAgent) &&
+ !/(Chrome\/|Android\s)/.test(userAgent);
+
+var hasDOM = typeof window === 'object' && typeof document === 'object';
+
+// Initializing PDFJS global object here, it case if we need to change/disable
+// some PDF.js features, e.g. range requests
+if (typeof PDFJS === 'undefined') {
+ globalScope.PDFJS = {};
+}
+
+PDFJS.compatibilityChecked = true;
+
+// Checking if the typed arrays are supported
+// Support: iOS<6.0 (subarray), IE<10, Android<4.0
+(function checkTypedArrayCompatibility() {
+ if (typeof Uint8Array !== 'undefined') {
+ // Support: iOS<6.0
+ if (typeof Uint8Array.prototype.subarray === 'undefined') {
+ Uint8Array.prototype.subarray = function subarray(start, end) {
+ return new Uint8Array(this.slice(start, end));
+ };
+ Float32Array.prototype.subarray = function subarray(start, end) {
+ return new Float32Array(this.slice(start, end));
+ };
+ }
+
+ // Support: Android<4.1
+ if (typeof Float64Array === 'undefined') {
+ globalScope.Float64Array = Float32Array;
+ }
+ return;
+ }
+
+ function subarray(start, end) {
+ return new TypedArray(this.slice(start, end));
+ }
+
+ function setArrayOffset(array, offset) {
+ if (arguments.length < 2) {
+ offset = 0;
+ }
+ for (var i = 0, n = array.length; i < n; ++i, ++offset) {
+ this[offset] = array[i] & 0xFF;
+ }
+ }
+
+ function TypedArray(arg1) {
+ var result, i, n;
+ if (typeof arg1 === 'number') {
+ result = [];
+ for (i = 0; i < arg1; ++i) {
+ result[i] = 0;
+ }
+ } else if ('slice' in arg1) {
+ result = arg1.slice(0);
+ } else {
+ result = [];
+ for (i = 0, n = arg1.length; i < n; ++i) {
+ result[i] = arg1[i];
+ }
+ }
+
+ result.subarray = subarray;
+ result.buffer = result;
+ result.byteLength = result.length;
+ result.set = setArrayOffset;
+
+ if (typeof arg1 === 'object' && arg1.buffer) {
+ result.buffer = arg1.buffer;
+ }
+ return result;
+ }
+
+ globalScope.Uint8Array = TypedArray;
+ globalScope.Int8Array = TypedArray;
+
+ // we don't need support for set, byteLength for 32-bit array
+ // so we can use the TypedArray as well
+ globalScope.Uint32Array = TypedArray;
+ globalScope.Int32Array = TypedArray;
+ globalScope.Uint16Array = TypedArray;
+ globalScope.Float32Array = TypedArray;
+ globalScope.Float64Array = TypedArray;
+})();
+
+// URL = URL || webkitURL
+// Support: Safari<7, Android 4.2+
+(function normalizeURLObject() {
+ if (!globalScope.URL) {
+ globalScope.URL = globalScope.webkitURL;
+ }
+})();
+
+// Object.defineProperty()?
+// Support: Android<4.0, Safari<5.1
+(function checkObjectDefinePropertyCompatibility() {
+ if (typeof Object.defineProperty !== 'undefined') {
+ var definePropertyPossible = true;
+ try {
+ if (hasDOM) {
+ // some browsers (e.g. safari) cannot use defineProperty() on DOM
+ // objects and thus the native version is not sufficient
+ Object.defineProperty(new Image(), 'id', { value: 'test' });
+ }
+ // ... another test for android gb browser for non-DOM objects
+ var Test = function Test() {};
+ Test.prototype = { get id() { } };
+ Object.defineProperty(new Test(), 'id',
+ { value: '', configurable: true, enumerable: true, writable: false });
+ } catch (e) {
+ definePropertyPossible = false;
+ }
+ if (definePropertyPossible) {
+ return;
+ }
+ }
+
+ Object.defineProperty = function objectDefineProperty(obj, name, def) {
+ delete obj[name];
+ if ('get' in def) {
+ obj.__defineGetter__(name, def['get']);
+ }
+ if ('set' in def) {
+ obj.__defineSetter__(name, def['set']);
+ }
+ if ('value' in def) {
+ obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
+ this.__defineGetter__(name, function objectDefinePropertyGetter() {
+ return value;
+ });
+ return value;
+ });
+ obj[name] = def.value;
+ }
+ };
+})();
+
+
+// No XMLHttpRequest#response?
+// Support: IE<11, Android <4.0
+(function checkXMLHttpRequestResponseCompatibility() {
+ if (typeof XMLHttpRequest === 'undefined') {
+ return;
+ }
+ var xhrPrototype = XMLHttpRequest.prototype;
+ var xhr = new XMLHttpRequest();
+ if (!('overrideMimeType' in xhr)) {
+ // IE10 might have response, but not overrideMimeType
+ // Support: IE10
+ Object.defineProperty(xhrPrototype, 'overrideMimeType', {
+ value: function xmlHttpRequestOverrideMimeType(mimeType) {}
+ });
+ }
+ if ('responseType' in xhr) {
+ return;
+ }
+
+ Object.defineProperty(xhrPrototype, 'responseType', {
+ get: function xmlHttpRequestGetResponseType() {
+ return this._responseType || 'text';
+ },
+ set: function xmlHttpRequestSetResponseType(value) {
+ if (value === 'text' || value === 'arraybuffer') {
+ this._responseType = value;
+ if (value === 'arraybuffer' &&
+ typeof this.overrideMimeType === 'function') {
+ this.overrideMimeType('text/plain; charset=x-user-defined');
+ }
+ }
+ }
+ });
+
+ // Support: IE9
+ if (typeof VBArray !== 'undefined') {
+ Object.defineProperty(xhrPrototype, 'response', {
+ get: function xmlHttpRequestResponseGet() {
+ if (this.responseType === 'arraybuffer') {
+ return new Uint8Array(new VBArray(this.responseBody).toArray());
+ }
+ return this.responseText;
+ }
+ });
+ return;
+ }
+
+ Object.defineProperty(xhrPrototype, 'response', {
+ get: function xmlHttpRequestResponseGet() {
+ if (this.responseType !== 'arraybuffer') {
+ return this.responseText;
+ }
+ var text = this.responseText;
+ var i, n = text.length;
+ var result = new Uint8Array(n);
+ for (i = 0; i < n; ++i) {
+ result[i] = text.charCodeAt(i) & 0xFF;
+ }
+ return result.buffer;
+ }
+ });
+})();
+
+// window.btoa (base64 encode function) ?
+// Support: IE<10
+(function checkWindowBtoaCompatibility() {
+ if ('btoa' in globalScope) {
+ return;
+ }
+
+ var digits =
+ 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+
+ globalScope.btoa = function (chars) {
+ var buffer = '';
+ var i, n;
+ for (i = 0, n = chars.length; i < n; i += 3) {
+ var b1 = chars.charCodeAt(i) & 0xFF;
+ var b2 = chars.charCodeAt(i + 1) & 0xFF;
+ var b3 = chars.charCodeAt(i + 2) & 0xFF;
+ var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
+ var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
+ var d4 = i + 2 < n ? (b3 & 0x3F) : 64;
+ buffer += (digits.charAt(d1) + digits.charAt(d2) +
+ digits.charAt(d3) + digits.charAt(d4));
+ }
+ return buffer;
+ };
+})();
+
+// window.atob (base64 encode function)?
+// Support: IE<10
+(function checkWindowAtobCompatibility() {
+ if ('atob' in globalScope) {
+ return;
+ }
+
+ // https://github.com/davidchambers/Base64.js
+ var digits =
+ 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+ globalScope.atob = function (input) {
+ input = input.replace(/=+$/, '');
+ if (input.length % 4 === 1) {
+ throw new Error('bad atob input');
+ }
+ for (
+ // initialize result and counters
+ var bc = 0, bs, buffer, idx = 0, output = '';
+ // get next character
+ (buffer = input.charAt(idx++));
+ // character found in table?
+ // initialize bit storage and add its ascii value
+ ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
+ // and if not first of each 4 characters,
+ // convert the first 8 bits to one ascii character
+ bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
+ ) {
+ // try to find character in table (0-63, not found => -1)
+ buffer = digits.indexOf(buffer);
+ }
+ return output;
+ };
+})();
+
+// Function.prototype.bind?
+// Support: Android<4.0, iOS<6.0
+(function checkFunctionPrototypeBindCompatibility() {
+ if (typeof Function.prototype.bind !== 'undefined') {
+ return;
+ }
+
+ Function.prototype.bind = function functionPrototypeBind(obj) {
+ var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
+ var bound = function functionPrototypeBindBound() {
+ var args = headArgs.concat(Array.prototype.slice.call(arguments));
+ return fn.apply(obj, args);
+ };
+ return bound;
+ };
+})();
+
+// HTMLElement dataset property
+// Support: IE<11, Safari<5.1, Android<4.0
+(function checkDatasetProperty() {
+ if (!hasDOM) {
+ return;
+ }
+ var div = document.createElement('div');
+ if ('dataset' in div) {
+ return; // dataset property exists
+ }
+
+ Object.defineProperty(HTMLElement.prototype, 'dataset', {
+ get: function() {
+ if (this._dataset) {
+ return this._dataset;
+ }
+
+ var dataset = {};
+ for (var j = 0, jj = this.attributes.length; j < jj; j++) {
+ var attribute = this.attributes[j];
+ if (attribute.name.substring(0, 5) !== 'data-') {
+ continue;
+ }
+ var key = attribute.name.substring(5).replace(/\-([a-z])/g,
+ function(all, ch) {
+ return ch.toUpperCase();
+ });
+ dataset[key] = attribute.value;
+ }
+
+ Object.defineProperty(this, '_dataset', {
+ value: dataset,
+ writable: false,
+ enumerable: false
+ });
+ return dataset;
+ },
+ enumerable: true
+ });
+})();
+
+// HTMLElement classList property
+// Support: IE<10, Android<4.0, iOS<5.0
+(function checkClassListProperty() {
+ function changeList(element, itemName, add, remove) {
+ var s = element.className || '';
+ var list = s.split(/\s+/g);
+ if (list[0] === '') {
+ list.shift();
+ }
+ var index = list.indexOf(itemName);
+ if (index < 0 && add) {
+ list.push(itemName);
+ }
+ if (index >= 0 && remove) {
+ list.splice(index, 1);
+ }
+ element.className = list.join(' ');
+ return (index >= 0);
+ }
+
+ if (!hasDOM) {
+ return;
+ }
+
+ var div = document.createElement('div');
+ if ('classList' in div) {
+ return; // classList property exists
+ }
+
+ var classListPrototype = {
+ add: function(name) {
+ changeList(this.element, name, true, false);
+ },
+ contains: function(name) {
+ return changeList(this.element, name, false, false);
+ },
+ remove: function(name) {
+ changeList(this.element, name, false, true);
+ },
+ toggle: function(name) {
+ changeList(this.element, name, true, true);
+ }
+ };
+
+ Object.defineProperty(HTMLElement.prototype, 'classList', {
+ get: function() {
+ if (this._classList) {
+ return this._classList;
+ }
+
+ var classList = Object.create(classListPrototype, {
+ element: {
+ value: this,
+ writable: false,
+ enumerable: true
+ }
+ });
+ Object.defineProperty(this, '_classList', {
+ value: classList,
+ writable: false,
+ enumerable: false
+ });
+ return classList;
+ },
+ enumerable: true
+ });
+})();
+
+// Checking if worker has console support. Forwarding all messages to the main
+// thread if console object is absent.
+(function checkWorkerConsoleCompatibility() {
+ if (typeof importScripts === 'undefined' || 'console' in globalScope) {
+ return;
+ }
+
+ var consoleTimer = {};
+
+ var workerConsole = {
+ log: function log() {
+ var args = Array.prototype.slice.call(arguments);
+ globalScope.postMessage({
+ targetName: 'main',
+ action: 'console_log',
+ data: args
+ });
+ },
+
+ error: function error() {
+ var args = Array.prototype.slice.call(arguments);
+ globalScope.postMessage({
+ targetName: 'main',
+ action: 'console_error',
+ data: args
+ });
+ },
+
+ time: function time(name) {
+ consoleTimer[name] = Date.now();
+ },
+
+ timeEnd: function timeEnd(name) {
+ var time = consoleTimer[name];
+ if (!time) {
+ throw new Error('Unknown timer name ' + name);
+ }
+ this.log('Timer:', name, Date.now() - time);
+ }
+ };
+
+ globalScope.console = workerConsole;
+})();
+
+// Check console compatibility
+// In older IE versions the console object is not available
+// unless console is open.
+// Support: IE<10
+(function checkConsoleCompatibility() {
+ if (!hasDOM) {
+ return;
+ }
+ if (!('console' in window)) {
+ window.console = {
+ log: function() {},
+ error: function() {},
+ warn: function() {}
+ };
+ return;
+ }
+ if (!('bind' in console.log)) {
+ // native functions in IE9 might not have bind
+ console.log = (function(fn) {
+ return function(msg) {
+ return fn(msg);
+ };
+ })(console.log);
+ console.error = (function(fn) {
+ return function(msg) {
+ return fn(msg);
+ };
+ })(console.error);
+ console.warn = (function(fn) {
+ return function(msg) {
+ return fn(msg);
+ };
+ })(console.warn);
+ return;
+ }
+})();
+
+// Check onclick compatibility in Opera
+// Support: Opera<15
+(function checkOnClickCompatibility() {
+ // workaround for reported Opera bug DSK-354448:
+ // onclick fires on disabled buttons with opaque content
+ function ignoreIfTargetDisabled(event) {
+ if (isDisabled(event.target)) {
+ event.stopPropagation();
+ }
+ }
+ function isDisabled(node) {
+ return node.disabled || (node.parentNode && isDisabled(node.parentNode));
+ }
+ if (isOpera) {
+ // use browser detection since we cannot feature-check this bug
+ document.addEventListener('click', ignoreIfTargetDisabled, true);
+ }
+})();
+
+// Checks if possible to use URL.createObjectURL()
+// Support: IE, Chrome on iOS
+(function checkOnBlobSupport() {
+ // sometimes IE and Chrome on iOS loosing the data created with
+ // createObjectURL(), see #3977 and #8081
+ if (isIE || isIOSChrome) {
+ PDFJS.disableCreateObjectURL = true;
+ }
+})();
+
+// Checks if navigator.language is supported
+(function checkNavigatorLanguage() {
+ if (typeof navigator === 'undefined') {
+ return;
+ }
+ if ('language' in navigator) {
+ return;
+ }
+ PDFJS.locale = navigator.userLanguage || 'en-US';
+})();
+
+// Support: Safari 6.0+, Android<3.0, Chrome 39/40, iOS
+(function checkRangeRequests() {
+ // Safari has issues with cached range requests see:
+ // https://github.com/mozilla/pdf.js/issues/3260
+ // Last tested with version 6.0.4.
+
+ // Older versions of Android (pre 3.0) has issues with range requests, see:
+ // https://github.com/mozilla/pdf.js/issues/3381.
+ // Make sure that we only match webkit-based Android browsers,
+ // since Firefox/Fennec works as expected.
+
+ // Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
+ if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
+ PDFJS.disableRange = true;
+ PDFJS.disableStream = true;
+ }
+})();
+
+// Check if the browser supports manipulation of the history.
+// Support: IE<10, Android<4.2
+(function checkHistoryManipulation() {
+ if (!hasDOM) {
+ return;
+ }
+ // Android 2.x has so buggy pushState support that it was removed in
+ // Android 3.0 and restored as late as in Android 4.2.
+ // Support: Android 2.x
+ if (!history.pushState || isAndroidPre3) {
+ PDFJS.disableHistory = true;
+ }
+})();
+
+// Support: IE<11, Chrome<21, Android<4.4, Safari<6
+(function checkSetPresenceInImageData() {
+ if (!hasDOM) {
+ return;
+ }
+ // IE < 11 will use window.CanvasPixelArray which lacks set function.
+ if (window.CanvasPixelArray) {
+ if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
+ window.CanvasPixelArray.prototype.set = function(arr) {
+ for (var i = 0, ii = this.length; i < ii; i++) {
+ this[i] = arr[i];
+ }
+ };
+ }
+ } else {
+ // Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
+ // Because we cannot feature detect it, we rely on user agent parsing.
+ var polyfill = false, versionMatch;
+ if (isChrome) {
+ versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
+ // Chrome < 21 lacks the set function.
+ polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
+ } else if (isAndroid) {
+ // Android < 4.4 lacks the set function.
+ // Android >= 4.4 will contain Chrome in the user agent,
+ // thus pass the Chrome check above and not reach this block.
+ polyfill = isAndroidPre5;
+ } else if (isSafari) {
+ versionMatch = userAgent.
+ match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
+ // Safari < 6 lacks the set function.
+ polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
+ }
+
+ if (polyfill) {
+ var contextPrototype = window.CanvasRenderingContext2D.prototype;
+ var createImageData = contextPrototype.createImageData;
+ contextPrototype.createImageData = function(w, h) {
+ var imageData = createImageData.call(this, w, h);
+ imageData.data.set = function(arr) {
+ for (var i = 0, ii = this.length; i < ii; i++) {
+ this[i] = arr[i];
+ }
+ };
+ return imageData;
+ };
+ // this closure will be kept referenced, so clear its vars
+ contextPrototype = null;
+ }
+ }
+})();
+
+// Support: IE<10, Android<4.0, iOS
+(function checkRequestAnimationFrame() {
+ function fakeRequestAnimationFrame(callback) {
+ window.setTimeout(callback, 20);
+ }
+
+ if (!hasDOM) {
+ return;
+ }
+ if (isIOS) {
+ // requestAnimationFrame on iOS is broken, replacing with fake one.
+ window.requestAnimationFrame = fakeRequestAnimationFrame;
+ return;
+ }
+ if ('requestAnimationFrame' in window) {
+ return;
+ }
+ window.requestAnimationFrame =
+ window.mozRequestAnimationFrame ||
+ window.webkitRequestAnimationFrame ||
+ fakeRequestAnimationFrame;
+})();
+
+// Support: Android, iOS
+(function checkCanvasSizeLimitation() {
+ if (isIOS || isAndroid) {
+ // 5MP
+ PDFJS.maxCanvasPixels = 5242880;
+ }
+})();
+
+// Disable fullscreen support for certain problematic configurations.
+// Support: IE11+ (when embedded).
+(function checkFullscreenSupport() {
+ if (!hasDOM) {
+ return;
+ }
+ if (isIE && window.parent !== window) {
+ PDFJS.disableFullscreen = true;
+ }
+})();
+
+// Provides document.currentScript support
+// Support: IE, Chrome<29.
+(function checkCurrentScript() {
+ if (!hasDOM) {
+ return;
+ }
+ if ('currentScript' in document) {
+ return;
+ }
+ Object.defineProperty(document, 'currentScript', {
+ get: function () {
+ var scripts = document.getElementsByTagName('script');
+ return scripts[scripts.length - 1];
+ },
+ enumerable: true,
+ configurable: true
+ });
+})();
+
+// Provides `input.type = 'type'` runtime failure protection.
+// Support: IE9,10.
+(function checkInputTypeNumberAssign() {
+ if (!hasDOM) {
+ return;
+ }
+ var el = document.createElement('input');
+ try {
+ el.type = 'number';
+ } catch (ex) {
+ var inputProto = el.constructor.prototype;
+ var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
+ Object.defineProperty(inputProto, 'type', {
+ get: function () {
+ return typeProperty.get.call(this);
+ },
+ set: function (value) {
+ typeProperty.set.call(this, value === 'number' ? 'text' : value);
+ },
+ enumerable: true,
+ configurable: true
+ });
+ }
+})();
+
+// Provides correct document.readyState value for legacy browsers.
+// Support: IE9,10.
+(function checkDocumentReadyState() {
+ if (!hasDOM) {
+ return;
+ }
+ if (!document.attachEvent) {
+ return;
+ }
+ var documentProto = document.constructor.prototype;
+ var readyStateProto = Object.getOwnPropertyDescriptor(documentProto,
+ 'readyState');
+ Object.defineProperty(documentProto, 'readyState', {
+ get: function () {
+ var value = readyStateProto.get.call(this);
+ return value === 'interactive' ? 'loading' : value;
+ },
+ set: function (value) {
+ readyStateProto.set.call(this, value);
+ },
+ enumerable: true,
+ configurable: true
+ });
+})();
+
+// Provides support for ChildNode.remove in legacy browsers.
+// Support: IE.
+(function checkChildNodeRemove() {
+ if (!hasDOM) {
+ return;
+ }
+ if (typeof Element.prototype.remove !== 'undefined') {
+ return;
+ }
+ Element.prototype.remove = function () {
+ if (this.parentNode) {
+ this.parentNode.removeChild(this);
+ }
+ };
+})();
+
+/**
+ * Polyfill for Promises:
+ * The following promise implementation tries to generally implement the
+ * Promise/A+ spec. Some notable differences from other promise libraries are:
+ * - There currently isn't a separate deferred and promise object.
+ * - Unhandled rejections eventually show an error if they aren't handled.
+ *
+ * Based off of the work in:
+ * https://bugzilla.mozilla.org/show_bug.cgi?id=810490
+ */
+(function checkPromise() {
+ if (globalScope.Promise) {
+ // Promises existing in the DOM/Worker, checking presence of all/resolve
+ if (typeof globalScope.Promise.all !== 'function') {
+ globalScope.Promise.all = function (iterable) {
+ var count = 0, results = [], resolve, reject;
+ var promise = new globalScope.Promise(function (resolve_, reject_) {
+ resolve = resolve_;
+ reject = reject_;
+ });
+ iterable.forEach(function (p, i) {
+ count++;
+ p.then(function (result) {
+ results[i] = result;
+ count--;
+ if (count === 0) {
+ resolve(results);
+ }
+ }, reject);
+ });
+ if (count === 0) {
+ resolve(results);
+ }
+ return promise;
+ };
+ }
+ if (typeof globalScope.Promise.resolve !== 'function') {
+ globalScope.Promise.resolve = function (value) {
+ return new globalScope.Promise(function (resolve) {
+ resolve(value);
+ });
+ };
+ }
+ if (typeof globalScope.Promise.reject !== 'function') {
+ globalScope.Promise.reject = function (reason) {
+ return new globalScope.Promise(function (resolve, reject) {
+ reject(reason);
+ });
+ };
+ }
+ if (typeof globalScope.Promise.prototype.catch !== 'function') {
+ globalScope.Promise.prototype.catch = function (onReject) {
+ return globalScope.Promise.prototype.then(undefined, onReject);
+ };
+ }
+ return;
+ }
+
+ var STATUS_PENDING = 0;
+ var STATUS_RESOLVED = 1;
+ var STATUS_REJECTED = 2;
+
+ // In an attempt to avoid silent exceptions, unhandled rejections are
+ // tracked and if they aren't handled in a certain amount of time an
+ // error is logged.
+ var REJECTION_TIMEOUT = 500;
+
+ var HandlerManager = {
+ handlers: [],
+ running: false,
+ unhandledRejections: [],
+ pendingRejectionCheck: false,
+
+ scheduleHandlers: function scheduleHandlers(promise) {
+ if (promise._status === STATUS_PENDING) {
+ return;
+ }
+
+ this.handlers = this.handlers.concat(promise._handlers);
+ promise._handlers = [];
+
+ if (this.running) {
+ return;
+ }
+ this.running = true;
+
+ setTimeout(this.runHandlers.bind(this), 0);
+ },
+
+ runHandlers: function runHandlers() {
+ var RUN_TIMEOUT = 1; // ms
+ var timeoutAt = Date.now() + RUN_TIMEOUT;
+ while (this.handlers.length > 0) {
+ var handler = this.handlers.shift();
+
+ var nextStatus = handler.thisPromise._status;
+ var nextValue = handler.thisPromise._value;
+
+ try {
+ if (nextStatus === STATUS_RESOLVED) {
+ if (typeof handler.onResolve === 'function') {
+ nextValue = handler.onResolve(nextValue);
+ }
+ } else if (typeof handler.onReject === 'function') {
+ nextValue = handler.onReject(nextValue);
+ nextStatus = STATUS_RESOLVED;
+
+ if (handler.thisPromise._unhandledRejection) {
+ this.removeUnhandeledRejection(handler.thisPromise);
+ }
+ }
+ } catch (ex) {
+ nextStatus = STATUS_REJECTED;
+ nextValue = ex;
+ }
+
+ handler.nextPromise._updateStatus(nextStatus, nextValue);
+ if (Date.now() >= timeoutAt) {
+ break;
+ }
+ }
+
+ if (this.handlers.length > 0) {
+ setTimeout(this.runHandlers.bind(this), 0);
+ return;
+ }
+
+ this.running = false;
+ },
+
+ addUnhandledRejection: function addUnhandledRejection(promise) {
+ this.unhandledRejections.push({
+ promise: promise,
+ time: Date.now()
+ });
+ this.scheduleRejectionCheck();
+ },
+
+ removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
+ promise._unhandledRejection = false;
+ for (var i = 0; i < this.unhandledRejections.length; i++) {
+ if (this.unhandledRejections[i].promise === promise) {
+ this.unhandledRejections.splice(i);
+ i--;
+ }
+ }
+ },
+
+ scheduleRejectionCheck: function scheduleRejectionCheck() {
+ if (this.pendingRejectionCheck) {
+ return;
+ }
+ this.pendingRejectionCheck = true;
+ setTimeout(function rejectionCheck() {
+ this.pendingRejectionCheck = false;
+ var now = Date.now();
+ for (var i = 0; i < this.unhandledRejections.length; i++) {
+ if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
+ var unhandled = this.unhandledRejections[i].promise._value;
+ var msg = 'Unhandled rejection: ' + unhandled;
+ if (unhandled.stack) {
+ msg += '\n' + unhandled.stack;
+ }
+ // Raising and catching the error, so debugger can break on it.
+ try {
+ throw new Error(msg);
+ } catch (_) {
+ console.warn(msg);
+ }
+ this.unhandledRejections.splice(i);
+ i--;
+ }
+ }
+ if (this.unhandledRejections.length) {
+ this.scheduleRejectionCheck();
+ }
+ }.bind(this), REJECTION_TIMEOUT);
+ }
+ };
+
+ var Promise = function Promise(resolver) {
+ this._status = STATUS_PENDING;
+ this._handlers = [];
+ try {
+ resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
+ } catch (e) {
+ this._reject(e);
+ }
+ };
+
+ /**
+ * Builds a promise that is resolved when all the passed in promises are
+ * resolved.
+ * @param {array} promises array of data and/or promises to wait for.
+ * @return {Promise} New dependent promise.
+ */
+ Promise.all = function Promise_all(promises) {
+ var resolveAll, rejectAll;
+ var deferred = new Promise(function (resolve, reject) {
+ resolveAll = resolve;
+ rejectAll = reject;
+ });
+ var unresolved = promises.length;
+ var results = [];
+ if (unresolved === 0) {
+ resolveAll(results);
+ return deferred;
+ }
+ function reject(reason) {
+ if (deferred._status === STATUS_REJECTED) {
+ return;
+ }
+ results = [];
+ rejectAll(reason);
+ }
+ for (var i = 0, ii = promises.length; i < ii; ++i) {
+ var promise = promises[i];
+ var resolve = (function(i) {
+ return function(value) {
+ if (deferred._status === STATUS_REJECTED) {
+ return;
+ }
+ results[i] = value;
+ unresolved--;
+ if (unresolved === 0) {
+ resolveAll(results);
+ }
+ };
+ })(i);
+ if (Promise.isPromise(promise)) {
+ promise.then(resolve, reject);
+ } else {
+ resolve(promise);
+ }
+ }
+ return deferred;
+ };
+
+ /**
+ * Checks if the value is likely a promise (has a 'then' function).
+ * @return {boolean} true if value is thenable
+ */
+ Promise.isPromise = function Promise_isPromise(value) {
+ return value && typeof value.then === 'function';
+ };
+
+ /**
+ * Creates resolved promise
+ * @param value resolve value
+ * @returns {Promise}
+ */
+ Promise.resolve = function Promise_resolve(value) {
+ return new Promise(function (resolve) {
+ resolve(value);
+ });
+ };
+
+ /**
+ * Creates rejected promise
+ * @param reason rejection value
+ * @returns {Promise}
+ */
+ Promise.reject = function Promise_reject(reason) {
+ return new Promise(function (resolve, reject) {
+ reject(reason);
+ });
+ };
+
+ Promise.prototype = {
+ _status: null,
+ _value: null,
+ _handlers: null,
+ _unhandledRejection: null,
+
+ _updateStatus: function Promise__updateStatus(status, value) {
+ if (this._status === STATUS_RESOLVED ||
+ this._status === STATUS_REJECTED) {
+ return;
+ }
+
+ if (status === STATUS_RESOLVED &&
+ Promise.isPromise(value)) {
+ value.then(this._updateStatus.bind(this, STATUS_RESOLVED),
+ this._updateStatus.bind(this, STATUS_REJECTED));
+ return;
+ }
+
+ this._status = status;
+ this._value = value;
+
+ if (status === STATUS_REJECTED && this._handlers.length === 0) {
+ this._unhandledRejection = true;
+ HandlerManager.addUnhandledRejection(this);
+ }
+
+ HandlerManager.scheduleHandlers(this);
+ },
+
+ _resolve: function Promise_resolve(value) {
+ this._updateStatus(STATUS_RESOLVED, value);
+ },
+
+ _reject: function Promise_reject(reason) {
+ this._updateStatus(STATUS_REJECTED, reason);
+ },
+
+ then: function Promise_then(onResolve, onReject) {
+ var nextPromise = new Promise(function (resolve, reject) {
+ this.resolve = resolve;
+ this.reject = reject;
+ });
+ this._handlers.push({
+ thisPromise: this,
+ onResolve: onResolve,
+ onReject: onReject,
+ nextPromise: nextPromise
+ });
+ HandlerManager.scheduleHandlers(this);
+ return nextPromise;
+ },
+
+ catch: function Promise_catch(onReject) {
+ return this.then(undefined, onReject);
+ }
+ };
+
+ globalScope.Promise = Promise;
+})();
+
+(function checkWeakMap() {
+ if (globalScope.WeakMap) {
+ return;
+ }
+
+ var id = 0;
+ function WeakMap() {
+ this.id = '$weakmap' + (id++);
+ }
+ WeakMap.prototype = {
+ has: function(obj) {
+ return !!Object.getOwnPropertyDescriptor(obj, this.id);
+ },
+ get: function(obj, defaultValue) {
+ return this.has(obj) ? obj[this.id] : defaultValue;
+ },
+ set: function(obj, value) {
+ Object.defineProperty(obj, this.id, {
+ value: value,
+ enumerable: false,
+ configurable: true
+ });
+ },
+ delete: function(obj) {
+ delete obj[this.id];
+ }
+ };
+
+ globalScope.WeakMap = WeakMap;
+})();
+
+// Polyfill from https://github.com/Polymer/URL
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+(function checkURLConstructor() {
+ // feature detect for URL constructor
+ var hasWorkingUrl = false;
+ try {
+ if (typeof URL === 'function' &&
+ typeof URL.prototype === 'object' &&
+ ('origin' in URL.prototype)) {
+ var u = new URL('b', 'http://a');
+ u.pathname = 'c%20d';
+ hasWorkingUrl = u.href === 'http://a/c%20d';
+ }
+ } catch (e) { }
+
+ if (hasWorkingUrl) {
+ return;
+ }
+
+ var relative = Object.create(null);
+ relative['ftp'] = 21;
+ relative['file'] = 0;
+ relative['gopher'] = 70;
+ relative['http'] = 80;
+ relative['https'] = 443;
+ relative['ws'] = 80;
+ relative['wss'] = 443;
+
+ var relativePathDotMapping = Object.create(null);
+ relativePathDotMapping['%2e'] = '.';
+ relativePathDotMapping['.%2e'] = '..';
+ relativePathDotMapping['%2e.'] = '..';
+ relativePathDotMapping['%2e%2e'] = '..';
+
+ function isRelativeScheme(scheme) {
+ return relative[scheme] !== undefined;
+ }
+
+ function invalid() {
+ clear.call(this);
+ this._isInvalid = true;
+ }
+
+ function IDNAToASCII(h) {
+ if (h === '') {
+ invalid.call(this);
+ }
+ // XXX
+ return h.toLowerCase();
+ }
+
+ function percentEscape(c) {
+ var unicode = c.charCodeAt(0);
+ if (unicode > 0x20 &&
+ unicode < 0x7F &&
+ // " # < > ? `
+ [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1
+ ) {
+ return c;
+ }
+ return encodeURIComponent(c);
+ }
+
+ function percentEscapeQuery(c) {
+ // XXX This actually needs to encode c using encoding and then
+ // convert the bytes one-by-one.
+
+ var unicode = c.charCodeAt(0);
+ if (unicode > 0x20 &&
+ unicode < 0x7F &&
+ // " # < > ` (do not escape '?')
+ [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1
+ ) {
+ return c;
+ }
+ return encodeURIComponent(c);
+ }
+
+ var EOF, ALPHA = /[a-zA-Z]/,
+ ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
+
+ function parse(input, stateOverride, base) {
+ function err(message) {
+ errors.push(message);
+ }
+
+ var state = stateOverride || 'scheme start',
+ cursor = 0,
+ buffer = '',
+ seenAt = false,
+ seenBracket = false,
+ errors = [];
+
+ loop: while ((input[cursor - 1] !== EOF || cursor === 0) &&
+ !this._isInvalid) {
+ var c = input[cursor];
+ switch (state) {
+ case 'scheme start':
+ if (c && ALPHA.test(c)) {
+ buffer += c.toLowerCase(); // ASCII-safe
+ state = 'scheme';
+ } else if (!stateOverride) {
+ buffer = '';
+ state = 'no scheme';
+ continue;
+ } else {
+ err('Invalid scheme.');
+ break loop;
+ }
+ break;
+
+ case 'scheme':
+ if (c && ALPHANUMERIC.test(c)) {
+ buffer += c.toLowerCase(); // ASCII-safe
+ } else if (c === ':') {
+ this._scheme = buffer;
+ buffer = '';
+ if (stateOverride) {
+ break loop;
+ }
+ if (isRelativeScheme(this._scheme)) {
+ this._isRelative = true;
+ }
+ if (this._scheme === 'file') {
+ state = 'relative';
+ } else if (this._isRelative && base &&
+ base._scheme === this._scheme) {
+ state = 'relative or authority';
+ } else if (this._isRelative) {
+ state = 'authority first slash';
+ } else {
+ state = 'scheme data';
+ }
+ } else if (!stateOverride) {
+ buffer = '';
+ cursor = 0;
+ state = 'no scheme';
+ continue;
+ } else if (EOF === c) {
+ break loop;
+ } else {
+ err('Code point not allowed in scheme: ' + c);
+ break loop;
+ }
+ break;
+
+ case 'scheme data':
+ if (c === '?') {
+ this._query = '?';
+ state = 'query';
+ } else if (c === '#') {
+ this._fragment = '#';
+ state = 'fragment';
+ } else {
+ // XXX error handling
+ if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
+ this._schemeData += percentEscape(c);
+ }
+ }
+ break;
+
+ case 'no scheme':
+ if (!base || !(isRelativeScheme(base._scheme))) {
+ err('Missing scheme.');
+ invalid.call(this);
+ } else {
+ state = 'relative';
+ continue;
+ }
+ break;
+
+ case 'relative or authority':
+ if (c === '/' && input[cursor + 1] === '/') {
+ state = 'authority ignore slashes';
+ } else {
+ err('Expected /, got: ' + c);
+ state = 'relative';
+ continue;
+ }
+ break;
+
+ case 'relative':
+ this._isRelative = true;
+ if ('file' !== this._scheme) {
+ this._scheme = base._scheme;
+ }
+ if (EOF === c) {
+ this._host = base._host;
+ this._port = base._port;
+ this._path = base._path.slice();
+ this._query = base._query;
+ this._username = base._username;
+ this._password = base._password;
+ break loop;
+ } else if (c === '/' || c === '\\') {
+ if (c === '\\') {
+ err('\\ is an invalid code point.');
+ }
+ state = 'relative slash';
+ } else if (c === '?') {
+ this._host = base._host;
+ this._port = base._port;
+ this._path = base._path.slice();
+ this._query = '?';
+ this._username = base._username;
+ this._password = base._password;
+ state = 'query';
+ } else if (c === '#') {
+ this._host = base._host;
+ this._port = base._port;
+ this._path = base._path.slice();
+ this._query = base._query;
+ this._fragment = '#';
+ this._username = base._username;
+ this._password = base._password;
+ state = 'fragment';
+ } else {
+ var nextC = input[cursor + 1];
+ var nextNextC = input[cursor + 2];
+ if ('file' !== this._scheme || !ALPHA.test(c) ||
+ (nextC !== ':' && nextC !== '|') ||
+ (EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC &&
+ '?' !== nextNextC && '#' !== nextNextC)) {
+ this._host = base._host;
+ this._port = base._port;
+ this._username = base._username;
+ this._password = base._password;
+ this._path = base._path.slice();
+ this._path.pop();
+ }
+ state = 'relative path';
+ continue;
+ }
+ break;
+
+ case 'relative slash':
+ if (c === '/' || c === '\\') {
+ if (c === '\\') {
+ err('\\ is an invalid code point.');
+ }
+ if (this._scheme === 'file') {
+ state = 'file host';
+ } else {
+ state = 'authority ignore slashes';
+ }
+ } else {
+ if ('file' !== this._scheme) {
+ this._host = base._host;
+ this._port = base._port;
+ this._username = base._username;
+ this._password = base._password;
+ }
+ state = 'relative path';
+ continue;
+ }
+ break;
+
+ case 'authority first slash':
+ if (c === '/') {
+ state = 'authority second slash';
+ } else {
+ err('Expected \'/\', got: ' + c);
+ state = 'authority ignore slashes';
+ continue;
+ }
+ break;
+
+ case 'authority second slash':
+ state = 'authority ignore slashes';
+ if ('/' !== c) {
+ err('Expected \'/\', got: ' + c);
+ continue;
+ }
+ break;
+
+ case 'authority ignore slashes':
+ if ('/' !== c && '\\' !== c) {
+ state = 'authority';
+ continue;
+ } else {
+ err('Expected authority, got: ' + c);
+ }
+ break;
+
+ case 'authority':
+ if (c === '@') {
+ if (seenAt) {
+ err('@ already seen.');
+ buffer += '%40';
+ }
+ seenAt = true;
+ for (var i = 0; i < buffer.length; i++) {
+ var cp = buffer[i];
+ if (cp === '\t' || cp === '\n' || cp === '\r') {
+ err('Invalid whitespace in authority.');
+ continue;
+ }
+ // XXX check URL code points
+ if (cp === ':' && this._password === null) {
+ this._password = '';
+ continue;
+ }
+ var tempC = percentEscape(cp);
+ if (null !== this._password) {
+ this._password += tempC;
+ } else {
+ this._username += tempC;
+ }
+ }
+ buffer = '';
+ } else if (c === EOF || c === '/' || c === '\\' ||
+ c === '?' || c === '#') {
+ cursor -= buffer.length;
+ buffer = '';
+ state = 'host';
+ continue;
+ } else {
+ buffer += c;
+ }
+ break;
+
+ case 'file host':
+ if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
+ if (buffer.length === 2 && ALPHA.test(buffer[0]) &&
+ (buffer[1] === ':' || buffer[1] === '|')) {
+ state = 'relative path';
+ } else if (buffer.length === 0) {
+ state = 'relative path start';
+ } else {
+ this._host = IDNAToASCII.call(this, buffer);
+ buffer = '';
+ state = 'relative path start';
+ }
+ continue;
+ } else if (c === '\t' || c === '\n' || c === '\r') {
+ err('Invalid whitespace in file host.');
+ } else {
+ buffer += c;
+ }
+ break;
+
+ case 'host':
+ case 'hostname':
+ if (c === ':' && !seenBracket) {
+ // XXX host parsing
+ this._host = IDNAToASCII.call(this, buffer);
+ buffer = '';
+ state = 'port';
+ if (stateOverride === 'hostname') {
+ break loop;
+ }
+ } else if (c === EOF || c === '/' ||
+ c === '\\' || c === '?' || c === '#') {
+ this._host = IDNAToASCII.call(this, buffer);
+ buffer = '';
+ state = 'relative path start';
+ if (stateOverride) {
+ break loop;
+ }
+ continue;
+ } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
+ if (c === '[') {
+ seenBracket = true;
+ } else if (c === ']') {
+ seenBracket = false;
+ }
+ buffer += c;
+ } else {
+ err('Invalid code point in host/hostname: ' + c);
+ }
+ break;
+
+ case 'port':
+ if (/[0-9]/.test(c)) {
+ buffer += c;
+ } else if (c === EOF || c === '/' || c === '\\' ||
+ c === '?' || c === '#' || stateOverride) {
+ if ('' !== buffer) {
+ var temp = parseInt(buffer, 10);
+ if (temp !== relative[this._scheme]) {
+ this._port = temp + '';
+ }
+ buffer = '';
+ }
+ if (stateOverride) {
+ break loop;
+ }
+ state = 'relative path start';
+ continue;
+ } else if (c === '\t' || c === '\n' || c === '\r') {
+ err('Invalid code point in port: ' + c);
+ } else {
+ invalid.call(this);
+ }
+ break;
+
+ case 'relative path start':
+ if (c === '\\') {
+ err('\'\\\' not allowed in path.');
+ }
+ state = 'relative path';
+ if ('/' !== c && '\\' !== c) {
+ continue;
+ }
+ break;
+
+ case 'relative path':
+ if (c === EOF || c === '/' || c === '\\' ||
+ (!stateOverride && (c === '?' || c === '#'))) {
+ if (c === '\\') {
+ err('\\ not allowed in relative path.');
+ }
+ var tmp;
+ if ((tmp = relativePathDotMapping[buffer.toLowerCase()])) {
+ buffer = tmp;
+ }
+ if (buffer === '..') {
+ this._path.pop();
+ if ('/' !== c && '\\' !== c) {
+ this._path.push('');
+ }
+ } else if (buffer === '.' && '/' !== c && '\\' !== c) {
+ this._path.push('');
+ } else if ('.' !== buffer) {
+ if (this._scheme === 'file' && this._path.length === 0 &&
+ buffer.length === 2 && ALPHA.test(buffer[0]) &&
+ buffer[1] === '|') {
+ buffer = buffer[0] + ':';
+ }
+ this._path.push(buffer);
+ }
+ buffer = '';
+ if (c === '?') {
+ this._query = '?';
+ state = 'query';
+ } else if (c === '#') {
+ this._fragment = '#';
+ state = 'fragment';
+ }
+ } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
+ buffer += percentEscape(c);
+ }
+ break;
+
+ case 'query':
+ if (!stateOverride && c === '#') {
+ this._fragment = '#';
+ state = 'fragment';
+ } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
+ this._query += percentEscapeQuery(c);
+ }
+ break;
+
+ case 'fragment':
+ if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
+ this._fragment += c;
+ }
+ break;
+ }
+
+ cursor++;
+ }
+ }
+
+ function clear() {
+ this._scheme = '';
+ this._schemeData = '';
+ this._username = '';
+ this._password = null;
+ this._host = '';
+ this._port = '';
+ this._path = [];
+ this._query = '';
+ this._fragment = '';
+ this._isInvalid = false;
+ this._isRelative = false;
+ }
+
+ // Does not process domain names or IP addresses.
+ // Does not handle encoding for the query parameter.
+ function JURL(url, base /* , encoding */) {
+ if (base !== undefined && !(base instanceof JURL)) {
+ base = new JURL(String(base));
+ }
+
+ this._url = url;
+ clear.call(this);
+
+ var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
+ // encoding = encoding || 'utf-8'
+
+ parse.call(this, input, null, base);
+ }
+
+ JURL.prototype = {
+ toString: function() {
+ return this.href;
+ },
+ get href() {
+ if (this._isInvalid) {
+ return this._url;
+ }
+ var authority = '';
+ if ('' !== this._username || null !== this._password) {
+ authority = this._username +
+ (null !== this._password ? ':' + this._password : '') + '@';
+ }
+
+ return this.protocol +
+ (this._isRelative ? '//' + authority + this.host : '') +
+ this.pathname + this._query + this._fragment;
+ },
+ set href(href) {
+ clear.call(this);
+ parse.call(this, href);
+ },
+
+ get protocol() {
+ return this._scheme + ':';
+ },
+ set protocol(protocol) {
+ if (this._isInvalid) {
+ return;
+ }
+ parse.call(this, protocol + ':', 'scheme start');
+ },
+
+ get host() {
+ return this._isInvalid ? '' : this._port ?
+ this._host + ':' + this._port : this._host;
+ },
+ set host(host) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ parse.call(this, host, 'host');
+ },
+
+ get hostname() {
+ return this._host;
+ },
+ set hostname(hostname) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ parse.call(this, hostname, 'hostname');
+ },
+
+ get port() {
+ return this._port;
+ },
+ set port(port) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ parse.call(this, port, 'port');
+ },
+
+ get pathname() {
+ return this._isInvalid ? '' : this._isRelative ?
+ '/' + this._path.join('/') : this._schemeData;
+ },
+ set pathname(pathname) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ this._path = [];
+ parse.call(this, pathname, 'relative path start');
+ },
+
+ get search() {
+ return this._isInvalid || !this._query || this._query === '?' ?
+ '' : this._query;
+ },
+ set search(search) {
+ if (this._isInvalid || !this._isRelative) {
+ return;
+ }
+ this._query = '?';
+ if (search[0] === '?') {
+ search = search.slice(1);
+ }
+ parse.call(this, search, 'query');
+ },
+
+ get hash() {
+ return this._isInvalid || !this._fragment || this._fragment === '#' ?
+ '' : this._fragment;
+ },
+ set hash(hash) {
+ if (this._isInvalid) {
+ return;
+ }
+ this._fragment = '#';
+ if (hash[0] === '#') {
+ hash = hash.slice(1);
+ }
+ parse.call(this, hash, 'fragment');
+ },
+
+ get origin() {
+ var host;
+ if (this._isInvalid || !this._scheme) {
+ return '';
+ }
+ // javascript: Gecko returns String(""), WebKit/Blink String("null")
+ // Gecko throws error for "data://"
+ // data: Gecko returns "", Blink returns "data://", WebKit returns "null"
+ // Gecko returns String("") for file: mailto:
+ // WebKit/Blink returns String("SCHEME://") for file: mailto:
+ switch (this._scheme) {
+ case 'data':
+ case 'file':
+ case 'javascript':
+ case 'mailto':
+ return 'null';
+ }
+ host = this.host;
+ if (!host) {
+ return '';
+ }
+ return this._scheme + '://' + host;
+ }
+ };
+
+ // Copy over the static methods
+ var OriginalURL = globalScope.URL;
+ if (OriginalURL) {
+ JURL.createObjectURL = function(blob) {
+ // IE extension allows a second optional options argument.
+ // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx
+ return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
+ };
+ JURL.revokeObjectURL = function(url) {
+ OriginalURL.revokeObjectURL(url);
+ };
+ }
+
+ globalScope.URL = JURL;
+})();
+
+}
+
+}));
diff --git a/src/shared/util.js b/src/shared/util.js
index 4bd479a42..cdfd5980c 100644
--- a/src/shared/util.js
+++ b/src/shared/util.js
@@ -18,13 +18,14 @@
(function (root, factory) {
if (typeof define === 'function' && define.amd) {
- define('pdfjs/shared/util', ['exports'], factory);
+ define('pdfjs/shared/util', ['exports', 'pdfjs/shared/compatibility'],
+ factory);
} else if (typeof exports !== 'undefined') {
- factory(exports);
+ factory(exports, require('./compatibility.js'));
} else {
- factory((root.pdfjsSharedUtil = {}));
+ factory((root.pdfjsSharedUtil = {}), root.pdfjsSharedCompatibility);
}
-}(this, function (exports) {
+}(this, function (exports, compatibility) {
var globalScope = (typeof window !== 'undefined') ? window :
(typeof global !== 'undefined') ? global :
@@ -1169,368 +1170,6 @@ function createPromiseCapability() {
return capability;
}
-/**
- * Polyfill for Promises:
- * The following promise implementation tries to generally implement the
- * Promise/A+ spec. Some notable differences from other promise libraries are:
- * - There currently isn't a separate deferred and promise object.
- * - Unhandled rejections eventually show an error if they aren't handled.
- *
- * Based off of the work in:
- * https://bugzilla.mozilla.org/show_bug.cgi?id=810490
- */
-(function PromiseClosure() {
- if (globalScope.Promise) {
- // Promises existing in the DOM/Worker, checking presence of all/resolve
- if (typeof globalScope.Promise.all !== 'function') {
- globalScope.Promise.all = function (iterable) {
- var count = 0, results = [], resolve, reject;
- var promise = new globalScope.Promise(function (resolve_, reject_) {
- resolve = resolve_;
- reject = reject_;
- });
- iterable.forEach(function (p, i) {
- count++;
- p.then(function (result) {
- results[i] = result;
- count--;
- if (count === 0) {
- resolve(results);
- }
- }, reject);
- });
- if (count === 0) {
- resolve(results);
- }
- return promise;
- };
- }
- if (typeof globalScope.Promise.resolve !== 'function') {
- globalScope.Promise.resolve = function (value) {
- return new globalScope.Promise(function (resolve) {
- resolve(value);
- });
- };
- }
- if (typeof globalScope.Promise.reject !== 'function') {
- globalScope.Promise.reject = function (reason) {
- return new globalScope.Promise(function (resolve, reject) {
- reject(reason);
- });
- };
- }
- if (typeof globalScope.Promise.prototype.catch !== 'function') {
- globalScope.Promise.prototype.catch = function (onReject) {
- return globalScope.Promise.prototype.then(undefined, onReject);
- };
- }
- return;
- }
-
-if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
- var STATUS_PENDING = 0;
- var STATUS_RESOLVED = 1;
- var STATUS_REJECTED = 2;
-
- // In an attempt to avoid silent exceptions, unhandled rejections are
- // tracked and if they aren't handled in a certain amount of time an
- // error is logged.
- var REJECTION_TIMEOUT = 500;
-
- var HandlerManager = {
- handlers: [],
- running: false,
- unhandledRejections: [],
- pendingRejectionCheck: false,
-
- scheduleHandlers: function scheduleHandlers(promise) {
- if (promise._status === STATUS_PENDING) {
- return;
- }
-
- this.handlers = this.handlers.concat(promise._handlers);
- promise._handlers = [];
-
- if (this.running) {
- return;
- }
- this.running = true;
-
- setTimeout(this.runHandlers.bind(this), 0);
- },
-
- runHandlers: function runHandlers() {
- var RUN_TIMEOUT = 1; // ms
- var timeoutAt = Date.now() + RUN_TIMEOUT;
- while (this.handlers.length > 0) {
- var handler = this.handlers.shift();
-
- var nextStatus = handler.thisPromise._status;
- var nextValue = handler.thisPromise._value;
-
- try {
- if (nextStatus === STATUS_RESOLVED) {
- if (typeof handler.onResolve === 'function') {
- nextValue = handler.onResolve(nextValue);
- }
- } else if (typeof handler.onReject === 'function') {
- nextValue = handler.onReject(nextValue);
- nextStatus = STATUS_RESOLVED;
-
- if (handler.thisPromise._unhandledRejection) {
- this.removeUnhandeledRejection(handler.thisPromise);
- }
- }
- } catch (ex) {
- nextStatus = STATUS_REJECTED;
- nextValue = ex;
- }
-
- handler.nextPromise._updateStatus(nextStatus, nextValue);
- if (Date.now() >= timeoutAt) {
- break;
- }
- }
-
- if (this.handlers.length > 0) {
- setTimeout(this.runHandlers.bind(this), 0);
- return;
- }
-
- this.running = false;
- },
-
- addUnhandledRejection: function addUnhandledRejection(promise) {
- this.unhandledRejections.push({
- promise: promise,
- time: Date.now()
- });
- this.scheduleRejectionCheck();
- },
-
- removeUnhandeledRejection: function removeUnhandeledRejection(promise) {
- promise._unhandledRejection = false;
- for (var i = 0; i < this.unhandledRejections.length; i++) {
- if (this.unhandledRejections[i].promise === promise) {
- this.unhandledRejections.splice(i);
- i--;
- }
- }
- },
-
- scheduleRejectionCheck: function scheduleRejectionCheck() {
- if (this.pendingRejectionCheck) {
- return;
- }
- this.pendingRejectionCheck = true;
- setTimeout(function rejectionCheck() {
- this.pendingRejectionCheck = false;
- var now = Date.now();
- for (var i = 0; i < this.unhandledRejections.length; i++) {
- if (now - this.unhandledRejections[i].time > REJECTION_TIMEOUT) {
- var unhandled = this.unhandledRejections[i].promise._value;
- var msg = 'Unhandled rejection: ' + unhandled;
- if (unhandled.stack) {
- msg += '\n' + unhandled.stack;
- }
- warn(msg);
- this.unhandledRejections.splice(i);
- i--;
- }
- }
- if (this.unhandledRejections.length) {
- this.scheduleRejectionCheck();
- }
- }.bind(this), REJECTION_TIMEOUT);
- }
- };
-
- var Promise = function Promise(resolver) {
- this._status = STATUS_PENDING;
- this._handlers = [];
- try {
- resolver.call(this, this._resolve.bind(this), this._reject.bind(this));
- } catch (e) {
- this._reject(e);
- }
- };
-
- /**
- * Builds a promise that is resolved when all the passed in promises are
- * resolved.
- * @param {array} promises array of data and/or promises to wait for.
- * @return {Promise} New dependent promise.
- */
- Promise.all = function Promise_all(promises) {
- var resolveAll, rejectAll;
- var deferred = new Promise(function (resolve, reject) {
- resolveAll = resolve;
- rejectAll = reject;
- });
- var unresolved = promises.length;
- var results = [];
- if (unresolved === 0) {
- resolveAll(results);
- return deferred;
- }
- function reject(reason) {
- if (deferred._status === STATUS_REJECTED) {
- return;
- }
- results = [];
- rejectAll(reason);
- }
- for (var i = 0, ii = promises.length; i < ii; ++i) {
- var promise = promises[i];
- var resolve = (function(i) {
- return function(value) {
- if (deferred._status === STATUS_REJECTED) {
- return;
- }
- results[i] = value;
- unresolved--;
- if (unresolved === 0) {
- resolveAll(results);
- }
- };
- })(i);
- if (Promise.isPromise(promise)) {
- promise.then(resolve, reject);
- } else {
- resolve(promise);
- }
- }
- return deferred;
- };
-
- /**
- * Checks if the value is likely a promise (has a 'then' function).
- * @return {boolean} true if value is thenable
- */
- Promise.isPromise = function Promise_isPromise(value) {
- return value && typeof value.then === 'function';
- };
-
- /**
- * Creates resolved promise
- * @param value resolve value
- * @returns {Promise}
- */
- Promise.resolve = function Promise_resolve(value) {
- return new Promise(function (resolve) {
- resolve(value);
- });
- };
-
- /**
- * Creates rejected promise
- * @param reason rejection value
- * @returns {Promise}
- */
- Promise.reject = function Promise_reject(reason) {
- return new Promise(function (resolve, reject) {
- reject(reason);
- });
- };
-
- Promise.prototype = {
- _status: null,
- _value: null,
- _handlers: null,
- _unhandledRejection: null,
-
- _updateStatus: function Promise__updateStatus(status, value) {
- if (this._status === STATUS_RESOLVED ||
- this._status === STATUS_REJECTED) {
- return;
- }
-
- if (status === STATUS_RESOLVED &&
- Promise.isPromise(value)) {
- value.then(this._updateStatus.bind(this, STATUS_RESOLVED),
- this._updateStatus.bind(this, STATUS_REJECTED));
- return;
- }
-
- this._status = status;
- this._value = value;
-
- if (status === STATUS_REJECTED && this._handlers.length === 0) {
- this._unhandledRejection = true;
- HandlerManager.addUnhandledRejection(this);
- }
-
- HandlerManager.scheduleHandlers(this);
- },
-
- _resolve: function Promise_resolve(value) {
- this._updateStatus(STATUS_RESOLVED, value);
- },
-
- _reject: function Promise_reject(reason) {
- this._updateStatus(STATUS_REJECTED, reason);
- },
-
- then: function Promise_then(onResolve, onReject) {
- var nextPromise = new Promise(function (resolve, reject) {
- this.resolve = resolve;
- this.reject = reject;
- });
- this._handlers.push({
- thisPromise: this,
- onResolve: onResolve,
- onReject: onReject,
- nextPromise: nextPromise
- });
- HandlerManager.scheduleHandlers(this);
- return nextPromise;
- },
-
- catch: function Promise_catch(onReject) {
- return this.then(undefined, onReject);
- }
- };
-
- globalScope.Promise = Promise;
-} else {
- throw new Error('DOM Promise is not present');
-}
-
-})();
-
-if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
- (function WeakMapClosure() {
- if (globalScope.WeakMap) {
- return;
- }
-
- var id = 0;
- function WeakMap() {
- this.id = '$weakmap' + (id++);
- }
- WeakMap.prototype = {
- has: function(obj) {
- return !!Object.getOwnPropertyDescriptor(obj, this.id);
- },
- get: function(obj, defaultValue) {
- return this.has(obj) ? obj[this.id] : defaultValue;
- },
- set: function(obj, value) {
- Object.defineProperty(obj, this.id, {
- value: value,
- enumerable: false,
- configurable: true
- });
- },
- delete: function(obj) {
- delete obj[this.id];
- }
- };
-
- globalScope.WeakMap = WeakMap;
- })();
-}
-
var StatTimer = (function StatTimerClosure() {
function rpad(str, pad, length) {
while (str.length < length) {
@@ -1770,650 +1409,6 @@ function loadJpegStream(id, imageUrl, objs) {
img.src = imageUrl;
}
-if (typeof PDFJSDev === 'undefined' || !PDFJSDev.test('MOZCENTRAL')) {
-// Polyfill from https://github.com/Polymer/URL
-/* Any copyright is dedicated to the Public Domain.
- * http://creativecommons.org/publicdomain/zero/1.0/ */
-(function checkURLConstructor(scope) {
- // feature detect for URL constructor
- var hasWorkingUrl = false;
- try {
- if (typeof URL === 'function' &&
- typeof URL.prototype === 'object' &&
- ('origin' in URL.prototype)) {
- var u = new URL('b', 'http://a');
- u.pathname = 'c%20d';
- hasWorkingUrl = u.href === 'http://a/c%20d';
- }
- } catch (e) { }
-
- if (hasWorkingUrl) {
- return;
- }
-
- var relative = Object.create(null);
- relative['ftp'] = 21;
- relative['file'] = 0;
- relative['gopher'] = 70;
- relative['http'] = 80;
- relative['https'] = 443;
- relative['ws'] = 80;
- relative['wss'] = 443;
-
- var relativePathDotMapping = Object.create(null);
- relativePathDotMapping['%2e'] = '.';
- relativePathDotMapping['.%2e'] = '..';
- relativePathDotMapping['%2e.'] = '..';
- relativePathDotMapping['%2e%2e'] = '..';
-
- function isRelativeScheme(scheme) {
- return relative[scheme] !== undefined;
- }
-
- function invalid() {
- clear.call(this);
- this._isInvalid = true;
- }
-
- function IDNAToASCII(h) {
- if (h === '') {
- invalid.call(this);
- }
- // XXX
- return h.toLowerCase();
- }
-
- function percentEscape(c) {
- var unicode = c.charCodeAt(0);
- if (unicode > 0x20 &&
- unicode < 0x7F &&
- // " # < > ? `
- [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1
- ) {
- return c;
- }
- return encodeURIComponent(c);
- }
-
- function percentEscapeQuery(c) {
- // XXX This actually needs to encode c using encoding and then
- // convert the bytes one-by-one.
-
- var unicode = c.charCodeAt(0);
- if (unicode > 0x20 &&
- unicode < 0x7F &&
- // " # < > ` (do not escape '?')
- [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1
- ) {
- return c;
- }
- return encodeURIComponent(c);
- }
-
- var EOF, ALPHA = /[a-zA-Z]/,
- ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
-
- function parse(input, stateOverride, base) {
- function err(message) {
- errors.push(message);
- }
-
- var state = stateOverride || 'scheme start',
- cursor = 0,
- buffer = '',
- seenAt = false,
- seenBracket = false,
- errors = [];
-
- loop: while ((input[cursor - 1] !== EOF || cursor === 0) &&
- !this._isInvalid) {
- var c = input[cursor];
- switch (state) {
- case 'scheme start':
- if (c && ALPHA.test(c)) {
- buffer += c.toLowerCase(); // ASCII-safe
- state = 'scheme';
- } else if (!stateOverride) {
- buffer = '';
- state = 'no scheme';
- continue;
- } else {
- err('Invalid scheme.');
- break loop;
- }
- break;
-
- case 'scheme':
- if (c && ALPHANUMERIC.test(c)) {
- buffer += c.toLowerCase(); // ASCII-safe
- } else if (c === ':') {
- this._scheme = buffer;
- buffer = '';
- if (stateOverride) {
- break loop;
- }
- if (isRelativeScheme(this._scheme)) {
- this._isRelative = true;
- }
- if (this._scheme === 'file') {
- state = 'relative';
- } else if (this._isRelative && base &&
- base._scheme === this._scheme) {
- state = 'relative or authority';
- } else if (this._isRelative) {
- state = 'authority first slash';
- } else {
- state = 'scheme data';
- }
- } else if (!stateOverride) {
- buffer = '';
- cursor = 0;
- state = 'no scheme';
- continue;
- } else if (EOF === c) {
- break loop;
- } else {
- err('Code point not allowed in scheme: ' + c);
- break loop;
- }
- break;
-
- case 'scheme data':
- if (c === '?') {
- this._query = '?';
- state = 'query';
- } else if (c === '#') {
- this._fragment = '#';
- state = 'fragment';
- } else {
- // XXX error handling
- if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
- this._schemeData += percentEscape(c);
- }
- }
- break;
-
- case 'no scheme':
- if (!base || !(isRelativeScheme(base._scheme))) {
- err('Missing scheme.');
- invalid.call(this);
- } else {
- state = 'relative';
- continue;
- }
- break;
-
- case 'relative or authority':
- if (c === '/' && input[cursor + 1] === '/') {
- state = 'authority ignore slashes';
- } else {
- err('Expected /, got: ' + c);
- state = 'relative';
- continue;
- }
- break;
-
- case 'relative':
- this._isRelative = true;
- if ('file' !== this._scheme) {
- this._scheme = base._scheme;
- }
- if (EOF === c) {
- this._host = base._host;
- this._port = base._port;
- this._path = base._path.slice();
- this._query = base._query;
- this._username = base._username;
- this._password = base._password;
- break loop;
- } else if (c === '/' || c === '\\') {
- if (c === '\\') {
- err('\\ is an invalid code point.');
- }
- state = 'relative slash';
- } else if (c === '?') {
- this._host = base._host;
- this._port = base._port;
- this._path = base._path.slice();
- this._query = '?';
- this._username = base._username;
- this._password = base._password;
- state = 'query';
- } else if (c === '#') {
- this._host = base._host;
- this._port = base._port;
- this._path = base._path.slice();
- this._query = base._query;
- this._fragment = '#';
- this._username = base._username;
- this._password = base._password;
- state = 'fragment';
- } else {
- var nextC = input[cursor + 1];
- var nextNextC = input[cursor + 2];
- if ('file' !== this._scheme || !ALPHA.test(c) ||
- (nextC !== ':' && nextC !== '|') ||
- (EOF !== nextNextC && '/' !== nextNextC && '\\' !== nextNextC &&
- '?' !== nextNextC && '#' !== nextNextC)) {
- this._host = base._host;
- this._port = base._port;
- this._username = base._username;
- this._password = base._password;
- this._path = base._path.slice();
- this._path.pop();
- }
- state = 'relative path';
- continue;
- }
- break;
-
- case 'relative slash':
- if (c === '/' || c === '\\') {
- if (c === '\\') {
- err('\\ is an invalid code point.');
- }
- if (this._scheme === 'file') {
- state = 'file host';
- } else {
- state = 'authority ignore slashes';
- }
- } else {
- if ('file' !== this._scheme) {
- this._host = base._host;
- this._port = base._port;
- this._username = base._username;
- this._password = base._password;
- }
- state = 'relative path';
- continue;
- }
- break;
-
- case 'authority first slash':
- if (c === '/') {
- state = 'authority second slash';
- } else {
- err('Expected \'/\', got: ' + c);
- state = 'authority ignore slashes';
- continue;
- }
- break;
-
- case 'authority second slash':
- state = 'authority ignore slashes';
- if ('/' !== c) {
- err('Expected \'/\', got: ' + c);
- continue;
- }
- break;
-
- case 'authority ignore slashes':
- if ('/' !== c && '\\' !== c) {
- state = 'authority';
- continue;
- } else {
- err('Expected authority, got: ' + c);
- }
- break;
-
- case 'authority':
- if (c === '@') {
- if (seenAt) {
- err('@ already seen.');
- buffer += '%40';
- }
- seenAt = true;
- for (var i = 0; i < buffer.length; i++) {
- var cp = buffer[i];
- if (cp === '\t' || cp === '\n' || cp === '\r') {
- err('Invalid whitespace in authority.');
- continue;
- }
- // XXX check URL code points
- if (cp === ':' && this._password === null) {
- this._password = '';
- continue;
- }
- var tempC = percentEscape(cp);
- if (null !== this._password) {
- this._password += tempC;
- } else {
- this._username += tempC;
- }
- }
- buffer = '';
- } else if (c === EOF || c === '/' || c === '\\' ||
- c === '?' || c === '#') {
- cursor -= buffer.length;
- buffer = '';
- state = 'host';
- continue;
- } else {
- buffer += c;
- }
- break;
-
- case 'file host':
- if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
- if (buffer.length === 2 && ALPHA.test(buffer[0]) &&
- (buffer[1] === ':' || buffer[1] === '|')) {
- state = 'relative path';
- } else if (buffer.length === 0) {
- state = 'relative path start';
- } else {
- this._host = IDNAToASCII.call(this, buffer);
- buffer = '';
- state = 'relative path start';
- }
- continue;
- } else if (c === '\t' || c === '\n' || c === '\r') {
- err('Invalid whitespace in file host.');
- } else {
- buffer += c;
- }
- break;
-
- case 'host':
- case 'hostname':
- if (c === ':' && !seenBracket) {
- // XXX host parsing
- this._host = IDNAToASCII.call(this, buffer);
- buffer = '';
- state = 'port';
- if (stateOverride === 'hostname') {
- break loop;
- }
- } else if (c === EOF || c === '/' ||
- c === '\\' || c === '?' || c === '#') {
- this._host = IDNAToASCII.call(this, buffer);
- buffer = '';
- state = 'relative path start';
- if (stateOverride) {
- break loop;
- }
- continue;
- } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
- if (c === '[') {
- seenBracket = true;
- } else if (c === ']') {
- seenBracket = false;
- }
- buffer += c;
- } else {
- err('Invalid code point in host/hostname: ' + c);
- }
- break;
-
- case 'port':
- if (/[0-9]/.test(c)) {
- buffer += c;
- } else if (c === EOF || c === '/' || c === '\\' ||
- c === '?' || c === '#' || stateOverride) {
- if ('' !== buffer) {
- var temp = parseInt(buffer, 10);
- if (temp !== relative[this._scheme]) {
- this._port = temp + '';
- }
- buffer = '';
- }
- if (stateOverride) {
- break loop;
- }
- state = 'relative path start';
- continue;
- } else if (c === '\t' || c === '\n' || c === '\r') {
- err('Invalid code point in port: ' + c);
- } else {
- invalid.call(this);
- }
- break;
-
- case 'relative path start':
- if (c === '\\') {
- err('\'\\\' not allowed in path.');
- }
- state = 'relative path';
- if ('/' !== c && '\\' !== c) {
- continue;
- }
- break;
-
- case 'relative path':
- if (c === EOF || c === '/' || c === '\\' ||
- (!stateOverride && (c === '?' || c === '#'))) {
- if (c === '\\') {
- err('\\ not allowed in relative path.');
- }
- var tmp;
- if ((tmp = relativePathDotMapping[buffer.toLowerCase()])) {
- buffer = tmp;
- }
- if (buffer === '..') {
- this._path.pop();
- if ('/' !== c && '\\' !== c) {
- this._path.push('');
- }
- } else if (buffer === '.' && '/' !== c && '\\' !== c) {
- this._path.push('');
- } else if ('.' !== buffer) {
- if (this._scheme === 'file' && this._path.length === 0 &&
- buffer.length === 2 && ALPHA.test(buffer[0]) &&
- buffer[1] === '|') {
- buffer = buffer[0] + ':';
- }
- this._path.push(buffer);
- }
- buffer = '';
- if (c === '?') {
- this._query = '?';
- state = 'query';
- } else if (c === '#') {
- this._fragment = '#';
- state = 'fragment';
- }
- } else if ('\t' !== c && '\n' !== c && '\r' !== c) {
- buffer += percentEscape(c);
- }
- break;
-
- case 'query':
- if (!stateOverride && c === '#') {
- this._fragment = '#';
- state = 'fragment';
- } else if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
- this._query += percentEscapeQuery(c);
- }
- break;
-
- case 'fragment':
- if (EOF !== c && '\t' !== c && '\n' !== c && '\r' !== c) {
- this._fragment += c;
- }
- break;
- }
-
- cursor++;
- }
- }
-
- function clear() {
- this._scheme = '';
- this._schemeData = '';
- this._username = '';
- this._password = null;
- this._host = '';
- this._port = '';
- this._path = [];
- this._query = '';
- this._fragment = '';
- this._isInvalid = false;
- this._isRelative = false;
- }
-
- // Does not process domain names or IP addresses.
- // Does not handle encoding for the query parameter.
- function JURL(url, base /* , encoding */) {
- if (base !== undefined && !(base instanceof JURL)) {
- base = new JURL(String(base));
- }
-
- this._url = url;
- clear.call(this);
-
- var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
- // encoding = encoding || 'utf-8'
-
- parse.call(this, input, null, base);
- }
-
- JURL.prototype = {
- toString: function() {
- return this.href;
- },
- get href() {
- if (this._isInvalid) {
- return this._url;
- }
- var authority = '';
- if ('' !== this._username || null !== this._password) {
- authority = this._username +
- (null !== this._password ? ':' + this._password : '') + '@';
- }
-
- return this.protocol +
- (this._isRelative ? '//' + authority + this.host : '') +
- this.pathname + this._query + this._fragment;
- },
- set href(href) {
- clear.call(this);
- parse.call(this, href);
- },
-
- get protocol() {
- return this._scheme + ':';
- },
- set protocol(protocol) {
- if (this._isInvalid) {
- return;
- }
- parse.call(this, protocol + ':', 'scheme start');
- },
-
- get host() {
- return this._isInvalid ? '' : this._port ?
- this._host + ':' + this._port : this._host;
- },
- set host(host) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- parse.call(this, host, 'host');
- },
-
- get hostname() {
- return this._host;
- },
- set hostname(hostname) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- parse.call(this, hostname, 'hostname');
- },
-
- get port() {
- return this._port;
- },
- set port(port) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- parse.call(this, port, 'port');
- },
-
- get pathname() {
- return this._isInvalid ? '' : this._isRelative ?
- '/' + this._path.join('/') : this._schemeData;
- },
- set pathname(pathname) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- this._path = [];
- parse.call(this, pathname, 'relative path start');
- },
-
- get search() {
- return this._isInvalid || !this._query || this._query === '?' ?
- '' : this._query;
- },
- set search(search) {
- if (this._isInvalid || !this._isRelative) {
- return;
- }
- this._query = '?';
- if (search[0] === '?') {
- search = search.slice(1);
- }
- parse.call(this, search, 'query');
- },
-
- get hash() {
- return this._isInvalid || !this._fragment || this._fragment === '#' ?
- '' : this._fragment;
- },
- set hash(hash) {
- if (this._isInvalid) {
- return;
- }
- this._fragment = '#';
- if (hash[0] === '#') {
- hash = hash.slice(1);
- }
- parse.call(this, hash, 'fragment');
- },
-
- get origin() {
- var host;
- if (this._isInvalid || !this._scheme) {
- return '';
- }
- // javascript: Gecko returns String(""), WebKit/Blink String("null")
- // Gecko throws error for "data://"
- // data: Gecko returns "", Blink returns "data://", WebKit returns "null"
- // Gecko returns String("") for file: mailto:
- // WebKit/Blink returns String("SCHEME://") for file: mailto:
- switch (this._scheme) {
- case 'data':
- case 'file':
- case 'javascript':
- case 'mailto':
- return 'null';
- }
- host = this.host;
- if (!host) {
- return '';
- }
- return this._scheme + '://' + host;
- }
- };
-
- // Copy over the static methods
- var OriginalURL = scope.URL;
- if (OriginalURL) {
- JURL.createObjectURL = function(blob) {
- // IE extension allows a second optional options argument.
- // http://msdn.microsoft.com/en-us/library/ie/hh772302(v=vs.85).aspx
- return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
- };
- JURL.revokeObjectURL = function(url) {
- OriginalURL.revokeObjectURL(url);
- };
- }
-
- scope.URL = JURL;
-})(globalScope);
-}
-
exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
exports.OPS = OPS;
diff --git a/web/compatibility.js b/web/compatibility.js
index 4bed22d79..8621afe31 100644
--- a/web/compatibility.js
+++ b/web/compatibility.js
@@ -1,4 +1,4 @@
-/* Copyright 2012 Mozilla Foundation
+/* Copyright 2017 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -12,653 +12,6 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
-/* eslint strict: ["error", "function"] */
-/* eslint-disable no-extend-native */
-/* globals VBArray, PDFJS */
+'use strict';
-(function compatibilityWrapper() {
- 'use strict';
-
-var userAgent = navigator.userAgent;
-
-var isAndroid = /Android/.test(userAgent);
-var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
-var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
-var isChrome = userAgent.indexOf('Chrom') >= 0;
-var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
-var isIOSChrome = userAgent.indexOf('CriOS') >= 0;
-var isIE = userAgent.indexOf('Trident') >= 0;
-var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
-var isOpera = userAgent.indexOf('Opera') >= 0;
-var isSafari = /Safari\//.test(userAgent) &&
- !/(Chrome\/|Android\s)/.test(userAgent);
-
-// Initializing PDFJS global object here, it case if we need to change/disable
-// some PDF.js features, e.g. range requests
-if (typeof PDFJS === 'undefined') {
- (typeof window !== 'undefined' ? window : this).PDFJS = {};
-}
-
-// Checking if the typed arrays are supported
-// Support: iOS<6.0 (subarray), IE<10, Android<4.0
-(function checkTypedArrayCompatibility() {
- if (typeof Uint8Array !== 'undefined') {
- // Support: iOS<6.0
- if (typeof Uint8Array.prototype.subarray === 'undefined') {
- Uint8Array.prototype.subarray = function subarray(start, end) {
- return new Uint8Array(this.slice(start, end));
- };
- Float32Array.prototype.subarray = function subarray(start, end) {
- return new Float32Array(this.slice(start, end));
- };
- }
-
- // Support: Android<4.1
- if (typeof Float64Array === 'undefined') {
- window.Float64Array = Float32Array;
- }
- return;
- }
-
- function subarray(start, end) {
- return new TypedArray(this.slice(start, end));
- }
-
- function setArrayOffset(array, offset) {
- if (arguments.length < 2) {
- offset = 0;
- }
- for (var i = 0, n = array.length; i < n; ++i, ++offset) {
- this[offset] = array[i] & 0xFF;
- }
- }
-
- function TypedArray(arg1) {
- var result, i, n;
- if (typeof arg1 === 'number') {
- result = [];
- for (i = 0; i < arg1; ++i) {
- result[i] = 0;
- }
- } else if ('slice' in arg1) {
- result = arg1.slice(0);
- } else {
- result = [];
- for (i = 0, n = arg1.length; i < n; ++i) {
- result[i] = arg1[i];
- }
- }
-
- result.subarray = subarray;
- result.buffer = result;
- result.byteLength = result.length;
- result.set = setArrayOffset;
-
- if (typeof arg1 === 'object' && arg1.buffer) {
- result.buffer = arg1.buffer;
- }
- return result;
- }
-
- window.Uint8Array = TypedArray;
- window.Int8Array = TypedArray;
-
- // we don't need support for set, byteLength for 32-bit array
- // so we can use the TypedArray as well
- window.Uint32Array = TypedArray;
- window.Int32Array = TypedArray;
- window.Uint16Array = TypedArray;
- window.Float32Array = TypedArray;
- window.Float64Array = TypedArray;
-})();
-
-// URL = URL || webkitURL
-// Support: Safari<7, Android 4.2+
-(function normalizeURLObject() {
- if (!window.URL) {
- window.URL = window.webkitURL;
- }
-})();
-
-// Object.defineProperty()?
-// Support: Android<4.0, Safari<5.1
-(function checkObjectDefinePropertyCompatibility() {
- if (typeof Object.defineProperty !== 'undefined') {
- var definePropertyPossible = true;
- try {
- // some browsers (e.g. safari) cannot use defineProperty() on DOM objects
- // and thus the native version is not sufficient
- Object.defineProperty(new Image(), 'id', { value: 'test' });
- // ... another test for android gb browser for non-DOM objects
- var Test = function Test() {};
- Test.prototype = { get id() { } };
- Object.defineProperty(new Test(), 'id',
- { value: '', configurable: true, enumerable: true, writable: false });
- } catch (e) {
- definePropertyPossible = false;
- }
- if (definePropertyPossible) {
- return;
- }
- }
-
- Object.defineProperty = function objectDefineProperty(obj, name, def) {
- delete obj[name];
- if ('get' in def) {
- obj.__defineGetter__(name, def['get']);
- }
- if ('set' in def) {
- obj.__defineSetter__(name, def['set']);
- }
- if ('value' in def) {
- obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
- this.__defineGetter__(name, function objectDefinePropertyGetter() {
- return value;
- });
- return value;
- });
- obj[name] = def.value;
- }
- };
-})();
-
-
-// No XMLHttpRequest#response?
-// Support: IE<11, Android <4.0
-(function checkXMLHttpRequestResponseCompatibility() {
- var xhrPrototype = XMLHttpRequest.prototype;
- var xhr = new XMLHttpRequest();
- if (!('overrideMimeType' in xhr)) {
- // IE10 might have response, but not overrideMimeType
- // Support: IE10
- Object.defineProperty(xhrPrototype, 'overrideMimeType', {
- value: function xmlHttpRequestOverrideMimeType(mimeType) {}
- });
- }
- if ('responseType' in xhr) {
- return;
- }
-
- // The worker will be using XHR, so we can save time and disable worker.
- PDFJS.disableWorker = true;
-
- Object.defineProperty(xhrPrototype, 'responseType', {
- get: function xmlHttpRequestGetResponseType() {
- return this._responseType || 'text';
- },
- set: function xmlHttpRequestSetResponseType(value) {
- if (value === 'text' || value === 'arraybuffer') {
- this._responseType = value;
- if (value === 'arraybuffer' &&
- typeof this.overrideMimeType === 'function') {
- this.overrideMimeType('text/plain; charset=x-user-defined');
- }
- }
- }
- });
-
- // Support: IE9
- if (typeof VBArray !== 'undefined') {
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- if (this.responseType === 'arraybuffer') {
- return new Uint8Array(new VBArray(this.responseBody).toArray());
- }
- return this.responseText;
- }
- });
- return;
- }
-
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- if (this.responseType !== 'arraybuffer') {
- return this.responseText;
- }
- var text = this.responseText;
- var i, n = text.length;
- var result = new Uint8Array(n);
- for (i = 0; i < n; ++i) {
- result[i] = text.charCodeAt(i) & 0xFF;
- }
- return result.buffer;
- }
- });
-})();
-
-// window.btoa (base64 encode function) ?
-// Support: IE<10
-(function checkWindowBtoaCompatibility() {
- if ('btoa' in window) {
- return;
- }
-
- var digits =
- 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-
- window.btoa = function windowBtoa(chars) {
- var buffer = '';
- var i, n;
- for (i = 0, n = chars.length; i < n; i += 3) {
- var b1 = chars.charCodeAt(i) & 0xFF;
- var b2 = chars.charCodeAt(i + 1) & 0xFF;
- var b3 = chars.charCodeAt(i + 2) & 0xFF;
- var d1 = b1 >> 2, d2 = ((b1 & 3) << 4) | (b2 >> 4);
- var d3 = i + 1 < n ? ((b2 & 0xF) << 2) | (b3 >> 6) : 64;
- var d4 = i + 2 < n ? (b3 & 0x3F) : 64;
- buffer += (digits.charAt(d1) + digits.charAt(d2) +
- digits.charAt(d3) + digits.charAt(d4));
- }
- return buffer;
- };
-})();
-
-// window.atob (base64 encode function)?
-// Support: IE<10
-(function checkWindowAtobCompatibility() {
- if ('atob' in window) {
- return;
- }
-
- // https://github.com/davidchambers/Base64.js
- var digits =
- 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
- window.atob = function (input) {
- input = input.replace(/=+$/, '');
- if (input.length % 4 === 1) {
- throw new Error('bad atob input');
- }
- for (
- // initialize result and counters
- var bc = 0, bs, buffer, idx = 0, output = '';
- // get next character
- (buffer = input.charAt(idx++));
- // character found in table?
- // initialize bit storage and add its ascii value
- ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
- // and if not first of each 4 characters,
- // convert the first 8 bits to one ascii character
- bc++ % 4) ? output += String.fromCharCode(255 & bs >> (-2 * bc & 6)) : 0
- ) {
- // try to find character in table (0-63, not found => -1)
- buffer = digits.indexOf(buffer);
- }
- return output;
- };
-})();
-
-// Function.prototype.bind?
-// Support: Android<4.0, iOS<6.0
-(function checkFunctionPrototypeBindCompatibility() {
- if (typeof Function.prototype.bind !== 'undefined') {
- return;
- }
-
- Function.prototype.bind = function functionPrototypeBind(obj) {
- var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
- var bound = function functionPrototypeBindBound() {
- var args = headArgs.concat(Array.prototype.slice.call(arguments));
- return fn.apply(obj, args);
- };
- return bound;
- };
-})();
-
-// HTMLElement dataset property
-// Support: IE<11, Safari<5.1, Android<4.0
-(function checkDatasetProperty() {
- var div = document.createElement('div');
- if ('dataset' in div) {
- return; // dataset property exists
- }
-
- Object.defineProperty(HTMLElement.prototype, 'dataset', {
- get: function() {
- if (this._dataset) {
- return this._dataset;
- }
-
- var dataset = {};
- for (var j = 0, jj = this.attributes.length; j < jj; j++) {
- var attribute = this.attributes[j];
- if (attribute.name.substring(0, 5) !== 'data-') {
- continue;
- }
- var key = attribute.name.substring(5).replace(/\-([a-z])/g,
- function(all, ch) {
- return ch.toUpperCase();
- });
- dataset[key] = attribute.value;
- }
-
- Object.defineProperty(this, '_dataset', {
- value: dataset,
- writable: false,
- enumerable: false
- });
- return dataset;
- },
- enumerable: true
- });
-})();
-
-// HTMLElement classList property
-// Support: IE<10, Android<4.0, iOS<5.0
-(function checkClassListProperty() {
- var div = document.createElement('div');
- if ('classList' in div) {
- return; // classList property exists
- }
-
- function changeList(element, itemName, add, remove) {
- var s = element.className || '';
- var list = s.split(/\s+/g);
- if (list[0] === '') {
- list.shift();
- }
- var index = list.indexOf(itemName);
- if (index < 0 && add) {
- list.push(itemName);
- }
- if (index >= 0 && remove) {
- list.splice(index, 1);
- }
- element.className = list.join(' ');
- return (index >= 0);
- }
-
- var classListPrototype = {
- add: function(name) {
- changeList(this.element, name, true, false);
- },
- contains: function(name) {
- return changeList(this.element, name, false, false);
- },
- remove: function(name) {
- changeList(this.element, name, false, true);
- },
- toggle: function(name) {
- changeList(this.element, name, true, true);
- }
- };
-
- Object.defineProperty(HTMLElement.prototype, 'classList', {
- get: function() {
- if (this._classList) {
- return this._classList;
- }
-
- var classList = Object.create(classListPrototype, {
- element: {
- value: this,
- writable: false,
- enumerable: true
- }
- });
- Object.defineProperty(this, '_classList', {
- value: classList,
- writable: false,
- enumerable: false
- });
- return classList;
- },
- enumerable: true
- });
-})();
-
-// Check console compatibility
-// In older IE versions the console object is not available
-// unless console is open.
-// Support: IE<10
-(function checkConsoleCompatibility() {
- if (!('console' in window)) {
- window.console = {
- log: function() {},
- error: function() {},
- warn: function() {}
- };
- } else if (!('bind' in console.log)) {
- // native functions in IE9 might not have bind
- console.log = (function(fn) {
- return function(msg) {
- return fn(msg);
- };
- })(console.log);
- console.error = (function(fn) {
- return function(msg) {
- return fn(msg);
- };
- })(console.error);
- console.warn = (function(fn) {
- return function(msg) {
- return fn(msg);
- };
- })(console.warn);
- }
-})();
-
-// Check onclick compatibility in Opera
-// Support: Opera<15
-(function checkOnClickCompatibility() {
- // workaround for reported Opera bug DSK-354448:
- // onclick fires on disabled buttons with opaque content
- function ignoreIfTargetDisabled(event) {
- if (isDisabled(event.target)) {
- event.stopPropagation();
- }
- }
- function isDisabled(node) {
- return node.disabled || (node.parentNode && isDisabled(node.parentNode));
- }
- if (isOpera) {
- // use browser detection since we cannot feature-check this bug
- document.addEventListener('click', ignoreIfTargetDisabled, true);
- }
-})();
-
-// Checks if possible to use URL.createObjectURL()
-// Support: IE, Chrome on iOS
-(function checkOnBlobSupport() {
- // sometimes IE and Chrome on iOS loosing the data created with
- // createObjectURL(), see #3977 and #8081
- if (isIE || isIOSChrome) {
- PDFJS.disableCreateObjectURL = true;
- }
-})();
-
-// Checks if navigator.language is supported
-(function checkNavigatorLanguage() {
- if ('language' in navigator) {
- return;
- }
- PDFJS.locale = navigator.userLanguage || 'en-US';
-})();
-
-// Support: Safari 6.0+, Android<3.0, Chrome 39/40, iOS
-(function checkRangeRequests() {
- // Safari has issues with cached range requests see:
- // https://github.com/mozilla/pdf.js/issues/3260
- // Last tested with version 6.0.4.
-
- // Older versions of Android (pre 3.0) has issues with range requests, see:
- // https://github.com/mozilla/pdf.js/issues/3381.
- // Make sure that we only match webkit-based Android browsers,
- // since Firefox/Fennec works as expected.
-
- // Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
- if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
- PDFJS.disableRange = true;
- PDFJS.disableStream = true;
- }
-})();
-
-// Check if the browser supports manipulation of the history.
-// Support: IE<10, Android<4.2
-(function checkHistoryManipulation() {
- // Android 2.x has so buggy pushState support that it was removed in
- // Android 3.0 and restored as late as in Android 4.2.
- // Support: Android 2.x
- if (!history.pushState || isAndroidPre3) {
- PDFJS.disableHistory = true;
- }
-})();
-
-// Support: IE<11, Chrome<21, Android<4.4, Safari<6
-(function checkSetPresenceInImageData() {
- // IE < 11 will use window.CanvasPixelArray which lacks set function.
- if (window.CanvasPixelArray) {
- if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
- window.CanvasPixelArray.prototype.set = function(arr) {
- for (var i = 0, ii = this.length; i < ii; i++) {
- this[i] = arr[i];
- }
- };
- }
- } else {
- // Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
- // Because we cannot feature detect it, we rely on user agent parsing.
- var polyfill = false, versionMatch;
- if (isChrome) {
- versionMatch = userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
- // Chrome < 21 lacks the set function.
- polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
- } else if (isAndroid) {
- // Android < 4.4 lacks the set function.
- // Android >= 4.4 will contain Chrome in the user agent,
- // thus pass the Chrome check above and not reach this block.
- polyfill = isAndroidPre5;
- } else if (isSafari) {
- versionMatch = userAgent.
- match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
- // Safari < 6 lacks the set function.
- polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
- }
-
- if (polyfill) {
- var contextPrototype = window.CanvasRenderingContext2D.prototype;
- var createImageData = contextPrototype.createImageData;
- contextPrototype.createImageData = function(w, h) {
- var imageData = createImageData.call(this, w, h);
- imageData.data.set = function(arr) {
- for (var i = 0, ii = this.length; i < ii; i++) {
- this[i] = arr[i];
- }
- };
- return imageData;
- };
- // this closure will be kept referenced, so clear its vars
- contextPrototype = null;
- }
- }
-})();
-
-// Support: IE<10, Android<4.0, iOS
-(function checkRequestAnimationFrame() {
- function fakeRequestAnimationFrame(callback) {
- window.setTimeout(callback, 20);
- }
-
- if (isIOS) {
- // requestAnimationFrame on iOS is broken, replacing with fake one.
- window.requestAnimationFrame = fakeRequestAnimationFrame;
- return;
- }
- if ('requestAnimationFrame' in window) {
- return;
- }
- window.requestAnimationFrame =
- window.mozRequestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- fakeRequestAnimationFrame;
-})();
-
-// Support: Android, iOS
-(function checkCanvasSizeLimitation() {
- if (isIOS || isAndroid) {
- // 5MP
- PDFJS.maxCanvasPixels = 5242880;
- }
-})();
-
-// Disable fullscreen support for certain problematic configurations.
-// Support: IE11+ (when embedded).
-(function checkFullscreenSupport() {
- if (isIE && window.parent !== window) {
- PDFJS.disableFullscreen = true;
- }
-})();
-
-// Provides document.currentScript support
-// Support: IE, Chrome<29.
-(function checkCurrentScript() {
- if ('currentScript' in document) {
- return;
- }
- Object.defineProperty(document, 'currentScript', {
- get: function () {
- var scripts = document.getElementsByTagName('script');
- return scripts[scripts.length - 1];
- },
- enumerable: true,
- configurable: true
- });
-})();
-
-// Provides `input.type = 'type'` runtime failure protection.
-// Support: IE9,10.
-(function checkInputTypeNumberAssign() {
- var el = document.createElement('input');
- try {
- el.type = 'number';
- } catch (ex) {
- var inputProto = el.constructor.prototype;
- var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
- Object.defineProperty(inputProto, 'type', {
- get: function () {
- return typeProperty.get.call(this);
- },
- set: function (value) {
- typeProperty.set.call(this, value === 'number' ? 'text' : value);
- },
- enumerable: true,
- configurable: true
- });
- }
-})();
-
-// Provides correct document.readyState value for legacy browsers.
-// Support: IE9,10.
-(function checkDocumentReadyState() {
- if (!document.attachEvent) {
- return;
- }
- var documentProto = document.constructor.prototype;
- var readyStateProto = Object.getOwnPropertyDescriptor(documentProto,
- 'readyState');
- Object.defineProperty(documentProto, 'readyState', {
- get: function () {
- var value = readyStateProto.get.call(this);
- return value === 'interactive' ? 'loading' : value;
- },
- set: function (value) {
- readyStateProto.set.call(this, value);
- },
- enumerable: true,
- configurable: true
- });
-})();
-
-// Provides support for ChildNode.remove in legacy browsers.
-// Support: IE.
-(function checkChildNodeRemove() {
- if (typeof Element.prototype.remove !== 'undefined') {
- return;
- }
- Element.prototype.remove = function () {
- if (this.parentNode) {
- this.parentNode.removeChild(this);
- }
- };
-})();
-
-}).call((typeof window === 'undefined') ? this : window);
+require('../src/shared/compatibility.js');
diff --git a/web/viewer.html b/web/viewer.html
index 22ff8af8e..876ebb0d5 100644
--- a/web/viewer.html
+++ b/web/viewer.html
@@ -44,8 +44,8 @@ See https://github.com/adobe-type-tools/cmap-resources
<link rel="resource" type="application/l10n" href="locale/locale.properties">
<!--#endif-->
-<!--#if !(FIREFOX || MOZCENTRAL || CHROME || MINIFIED)-->
- <script src="compatibility.js"></script>
+<!--#if !PRODUCTION-->
+ <script src="../src/shared/compatibility.js"></script>
<!--#endif-->
<!--#if !PRODUCTION-->