Commit a4b07992 authored by Son Nguyen's avatar Son Nguyen Committed by Robert Lyon
Browse files

Add pdfjs library (Bug #1036556)



Version: 0.8.75

Change-Id: Ic6719f16662c1934fe13718fe67c8f9d2e313594
Signed-off-by: default avatarSon Nguyen <sonn@catalyst.net.nz>
parent ead65656
PDF.js in Mahara
==================
Website: https://github.com/mozilla/pdf.js/wiki
Version: 0.8.75 (updated 25 Apr 2013)
License: Apache License 2.0
PDF.js is used in the Mahara to provide a javascript library for
viewing PDF file
Changes:
* by Son Nguyen, 26 Apr 13: updated location of pdfjs.js in viewer.html and viewer.js
\ No newline at end of file
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
/* Copyright 2012 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* globals VBArray */
'use strict';
// Checking if the typed arrays are supported
(function checkTypedArrayCompatibility() {
if (typeof Uint8Array !== 'undefined') {
// some mobile versions do not support subarray (e.g. safari 5 / iOS)
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));
};
}
// some mobile version might not support Float64Array
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;
if (typeof arg1 === 'number') {
result = [];
for (var i = 0; i < arg1; ++i)
result[i] = 0;
} else if ('slice' in arg1) {
result = arg1.slice(0);
} else {
result = [];
for (var 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;
// 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;
})();
// Object.create() ?
(function checkObjectCreateCompatibility() {
if (typeof Object.create !== 'undefined')
return;
Object.create = function objectCreate(proto) {
function Constructor() {}
Constructor.prototype = proto;
return new Constructor();
};
})();
// Object.defineProperty() ?
(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;
}
};
})();
// Object.keys() ?
(function checkObjectKeysCompatibility() {
if (typeof Object.keys !== 'undefined')
return;
Object.keys = function objectKeys(obj) {
var result = [];
for (var i in obj) {
if (obj.hasOwnProperty(i))
result.push(i);
}
return result;
};
})();
// No readAsArrayBuffer ?
(function checkFileReaderReadAsArrayBuffer() {
if (typeof FileReader === 'undefined')
return; // FileReader is not implemented
var frPrototype = FileReader.prototype;
// Older versions of Firefox might not have readAsArrayBuffer
if ('readAsArrayBuffer' in frPrototype)
return; // readAsArrayBuffer is implemented
Object.defineProperty(frPrototype, 'readAsArrayBuffer', {
value: function fileReaderReadAsArrayBuffer(blob) {
var fileReader = new FileReader();
var originalReader = this;
fileReader.onload = function fileReaderOnload(evt) {
var data = evt.target.result;
var buffer = new ArrayBuffer(data.length);
var uint8Array = new Uint8Array(buffer);
for (var i = 0, ii = data.length; i < ii; i++)
uint8Array[i] = data.charCodeAt(i);
Object.defineProperty(originalReader, 'result', {
value: buffer,
enumerable: true,
writable: false,
configurable: true
});
var event = document.createEvent('HTMLEvents');
event.initEvent('load', false, false);
originalReader.dispatchEvent(event);
};
fileReader.readAsBinaryString(blob);
}
});
})();
// No XMLHttpRequest.response ?
(function checkXMLHttpRequestResponseCompatibility() {
var xhrPrototype = XMLHttpRequest.prototype;
if (!('overrideMimeType' in xhrPrototype)) {
// IE10 might have response, but not overrideMimeType
Object.defineProperty(xhrPrototype, 'overrideMimeType', {
value: function xmlHttpRequestOverrideMimeType(mimeType) {}
});
}
if ('response' in xhrPrototype ||
'mozResponseArrayBuffer' in xhrPrototype ||
'mozResponse' in xhrPrototype ||
'responseArrayBuffer' in xhrPrototype)
return;
// IE9 ?
if (typeof VBArray !== 'undefined') {
Object.defineProperty(xhrPrototype, 'response', {
get: function xmlHttpRequestResponseGet() {
return new Uint8Array(new VBArray(this.responseBody).toArray());
}
});
return;
}
// other browsers
function responseTypeSetter() {
// will be only called to set "arraybuffer"
this.overrideMimeType('text/plain; charset=x-user-defined');
}
if (typeof xhrPrototype.overrideMimeType === 'function') {
Object.defineProperty(xhrPrototype, 'responseType',
{ set: responseTypeSetter });
}
function responseGetter() {
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;
}
Object.defineProperty(xhrPrototype, 'response', { get: responseGetter });
})();
// window.btoa (base64 encode function) ?
(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;
};
})();
// Function.prototype.bind ?
(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 = Array.prototype.concat.apply(headArgs, arguments);
return fn.apply(obj, args);
};
return bound;
};
})();
// IE9/10 text/html data URI
(function checkDataURICompatibility() {
if (!('documentMode' in document) ||
document.documentMode !== 9 && document.documentMode !== 10)
return;
// overriding the src property
var originalSrcDescriptor = Object.getOwnPropertyDescriptor(
HTMLIFrameElement.prototype, 'src');
Object.defineProperty(HTMLIFrameElement.prototype, 'src', {
get: function htmlIFrameElementPrototypeSrcGet() { return this.$src; },
set: function htmlIFrameElementPrototypeSrcSet(src) {
this.$src = src;
if (src.substr(0, 14) != 'data:text/html') {
originalSrcDescriptor.set.call(this, src);
return;
}
// for text/html, using blank document and then
// document's open, write, and close operations
originalSrcDescriptor.set.call(this, 'about:blank');
setTimeout((function htmlIFrameElementPrototypeSrcOpenWriteClose() {
var doc = this.contentDocument;
doc.open('text/html');
doc.write(src.substr(src.indexOf(',') + 1));
doc.close();
}).bind(this), 0);
},
enumerable: true
});
})();
// HTMLElement dataset property
(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
(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(' ');
}
var classListPrototype = {
add: function(name) {
changeList(this.element, name, true, 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 compatability
(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
(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 navigator.language is supported
(function checkNavigatorLanguage() {
if ('language' in navigator)
return;
Object.defineProperty(navigator, 'language', {
get: function navigatorLanguage() {
var language = navigator.userLanguage || 'en-US';
return language.substring(0, 2).toLowerCase() +
language.substring(2).toUpperCase();
},
enumerable: true
});
})();
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns="http://www.w3.org/2000/svg"
width="40"
height="40">
<path
d="M 1.5006714,23.536225 6.8925879,18.994244 14.585721,26.037937 34.019683,4.5410479 38.499329,9.2235032 14.585721,35.458952 z"
id="path4"
style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:1.25402856;stroke-opacity:1" />
</svg>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns="http://www.w3.org/2000/svg"
height="40"
width="40">
<rect
style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
width="33.76017"
height="33.76017"
x="3.119915"
y="3.119915" />
<path
d="m 20.677967,8.54499 c -7.342801,0 -13.295293,4.954293 -13.295293,11.065751 0,2.088793 0.3647173,3.484376 1.575539,5.150563 L 6.0267418,31.45501 13.560595,29.011117 c 2.221262,1.387962 4.125932,1.665377 7.117372,1.665377 7.3428,0 13.295291,-4.954295 13.295291,-11.065753 0,-6.111458 -5.952491,-11.065751 -13.295291,-11.065751 z"
style="fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:0.93031836;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"/>
</svg>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns="http://www.w3.org/2000/svg"
width="40"
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<g
transform="translate(0,-60)"
id="layer1">
<rect
width="36.460953"
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<g
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</svg>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
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<path
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</svg>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns="http://www.w3.org/2000/svg"
width="64"
height="64">
<path
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</svg>
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg
xmlns="http://www.w3.org/2000/svg"
width="40"
height="40">
<rect
width="36.075428"
height="31.096582"
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y="4.4517088"
id="rect4"
style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1.23004246;stroke-opacity:1" />
<rect
width="27.96859"
height="1.5012145"
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<rect
width="27.96859"
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