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-rw-r--r--apps/files_pdfviewer/js/pdfjs/compatibility.js340
1 files changed, 0 insertions, 340 deletions
diff --git a/apps/files_pdfviewer/js/pdfjs/compatibility.js b/apps/files_pdfviewer/js/pdfjs/compatibility.js
deleted file mode 100644
index 528841bb614..00000000000
--- a/apps/files_pdfviewer/js/pdfjs/compatibility.js
+++ /dev/null
@@ -1,340 +0,0 @@
-/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-
-'use strict';
-
-// Checking if the typed arrays are supported
-(function checkTypedArrayCompatibility() {
- if (typeof Uint8Array !== 'undefined') {
- // 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
- result = arg1.slice(0);
-
- 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) {
- var constructor = function objectCreateConstructor() {};
- constructor.prototype = proto;
- return new constructor();
- };
-})();
-
-// Object.defineProperty() ?
-(function checkObjectDefinePropertyCompatibility() {
- if (typeof Object.defineProperty !== 'undefined')
- 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 XMLHttpRequest.response ?
-(function checkXMLHttpRequestResponseCompatibility() {
- var xhrPrototype = XMLHttpRequest.prototype;
- if ('response' in xhrPrototype ||
- 'mozResponseArrayBuffer' in xhrPrototype ||
- 'mozResponse' in xhrPrototype ||
- 'responseArrayBuffer' in xhrPrototype)
- return;
- // IE ?
- if (typeof VBArray !== 'undefined') {
- Object.defineProperty(xhrPrototype, 'response', {
- get: function xmlHttpRequestResponseGet() {
- return new Uint8Array(new VBArray(this.responseBody).toArray());
- }
- });
- Object.defineProperty(xhrPrototype, 'overrideMimeType', {
- value: function xmlHttpRequestOverrideMimeType(mimeType) {}
- });
- 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 text/html data URI
-(function checkDocumentDocumentModeCompatibility() {
- if (!('documentMode' in document) || document.documentMode !== 9)
- 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 (typeof console == 'undefined') {
- console = {log: function() {}};
- }
-})();
-
-// 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
- });
-})();
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