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Commit a74c6204 authored by Robert Lyon's avatar Robert Lyon Committed by Gerrit Code Review
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Merge "Bug 1542154: upgrade PDF js to 1.9.426"

parents 8571f155 d29d2fdf
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htdocs/artefact/file/blocktype/pdf/js/pdfjs/README.Mahara
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......@@ -2,17 +2,20 @@ PDF.js in Mahara
==================
Website: http://mozilla.github.io/pdf.js/getting_started/#download
Version: 1.4.20
Version: 1.9.426
License: Apache License 2.0
PDF.js is used in the Mahara to provide a javascript library for
PDF.js is used in the Mahara to provide a javascript library for
viewing PDF file
Build Instructions:
1. Have Node.JS installed.
2. Clone the pdf.js git repo ( https://github.com/mozilla/pdf.js/ )
3. Navigate into the repo, and run "node make generic"
3. Navigate into the repo, and run
npm install -g gulp-cli
npm install
gulp generic
4. Copy the contents of build/generic into this directory.
5. Minify build/pdf.js and build/pdf.worker.min.js (see next section for details)
6. Make sure you can open and see a PDF via browser
......@@ -41,3 +44,4 @@ Changes:
* viewer.css tweak to get the bottom of the display to show
* viewer.css tweak to avoid horizontal scrollbar on default 3-column page layout
* Hide the "open file" button in the toolbar
* viewer.js tweak to show pdf menu on language selected in Mahara
htdocs/artefact/file/blocktype/pdf/js/pdfjs/build/pdf.js.map 0 → 100644
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htdocs/artefact/file/blocktype/pdf/js/pdfjs/web/compatibility.js deleted 100644 → 0
View file @ 8571f155
/* Copyright 2012 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals VBArray, PDFJS */
'use strict';
// 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());
} else {
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 (navigator.userAgent.indexOf('Opera') !== -1) {
// use browser detection since we cannot feature-check this bug
document.addEventListener('click', ignoreIfTargetDisabled, true);
}
})();
// Checks if possible to use URL.createObjectURL()
// Support: IE
(function checkOnBlobSupport() {
// sometimes IE loosing the data created with createObjectURL(), see #3977
if (navigator.userAgent.indexOf('Trident') >= 0) {
PDFJS.disableCreateObjectURL = true;
}
})();
// Checks if navigator.language is supported
(function checkNavigatorLanguage() {
if ('language' in navigator) {
return;
}
PDFJS.locale = navigator.userLanguage || 'en-US';
})();
(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.
// Support: Safari 6.0+
var isSafari = Object.prototype.toString.call(
window.HTMLElement).indexOf('Constructor') > 0;
// 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.
// Support: Android<3.0
var regex = /Android\s[0-2][^\d]/;
var isOldAndroid = regex.test(navigator.userAgent);
// Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent);
if (isSafari || isOldAndroid || isChromeWithRangeBug) {
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 || navigator.userAgent.indexOf('Android 2.') >= 0) {
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 (navigator.userAgent.indexOf('Chrom') >= 0) {
versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
// Chrome < 21 lacks the set function.
polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
} else if (navigator.userAgent.indexOf('Android') >= 0) {
// 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 = /Android\s[0-4][^\d]/g.test(navigator.userAgent);
} else if (navigator.userAgent.indexOf('Safari') >= 0) {
versionMatch = navigator.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;
}
}
})();