mirror of
https://github.com/invoiceninja/invoiceninja.git
synced 2025-10-31 05:07:31 -04:00
Updating PDF.js compatability.js
This commit is contained in:
Hillel Coren
parent
fb9a2de240
commit
2772eb82cf
@ -1,5 +1,3 @@
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
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/* Copyright 2012 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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@ -25,9 +23,10 @@ if (typeof PDFJS === 'undefined') {
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}
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// Checking if the typed arrays are supported
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// Support: iOS<6.0 (subarray), IE<10, Android<4.0
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(function checkTypedArrayCompatibility() {
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if (typeof Uint8Array !== 'undefined') {
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// some mobile versions do not support subarray (e.g. safari 5 / iOS)
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// Support: iOS<6.0
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if (typeof Uint8Array.prototype.subarray === 'undefined') {
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Uint8Array.prototype.subarray = function subarray(start, end) {
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return new Uint8Array(this.slice(start, end));
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@ -37,10 +36,10 @@ if (typeof PDFJS === 'undefined') {
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};
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}
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// some mobile version might not support Float64Array
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if (typeof Float64Array === 'undefined')
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// Support: Android<4.1
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if (typeof Float64Array === 'undefined') {
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window.Float64Array = Float32Array;
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}
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return;
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}
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@ -49,23 +48,26 @@ if (typeof PDFJS === 'undefined') {
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}
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function setArrayOffset(array, offset) {
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if (arguments.length < 2)
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if (arguments.length < 2) {
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offset = 0;
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for (var i = 0, n = array.length; i < n; ++i, ++offset)
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}
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for (var i = 0, n = array.length; i < n; ++i, ++offset) {
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this[offset] = array[i] & 0xFF;
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}
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}
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function TypedArray(arg1) {
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var result;
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var result, i, n;
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if (typeof arg1 === 'number') {
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result = [];
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for (var i = 0; i < arg1; ++i)
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for (i = 0; i < arg1; ++i) {
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result[i] = 0;
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}
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} else if ('slice' in arg1) {
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result = arg1.slice(0);
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} else {
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result = [];
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for (var i = 0, n = arg1.length; i < n; ++i) {
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for (i = 0, n = arg1.length; i < n; ++i) {
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result[i] = arg1[i];
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}
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}
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@ -75,13 +77,14 @@ if (typeof PDFJS === 'undefined') {
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result.byteLength = result.length;
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result.set = setArrayOffset;
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if (typeof arg1 === 'object' && arg1.buffer)
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if (typeof arg1 === 'object' && arg1.buffer) {
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result.buffer = arg1.buffer;
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}
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return result;
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}
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window.Uint8Array = TypedArray;
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window.Int8Array = TypedArray;
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// we don't need support for set, byteLength for 32-bit array
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// so we can use the TypedArray as well
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@ -93,25 +96,15 @@ if (typeof PDFJS === 'undefined') {
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})();
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// URL = URL || webkitURL
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// Support: Safari<7, Android 4.2+
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(function normalizeURLObject() {
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if (!window.URL) {
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window.URL = window.webkitURL;
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}
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})();
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// Object.create() ?
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(function checkObjectCreateCompatibility() {
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if (typeof Object.create !== 'undefined')
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return;
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Object.create = function objectCreate(proto) {
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function Constructor() {}
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Constructor.prototype = proto;
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return new Constructor();
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};
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})();
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// Object.defineProperty() ?
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// Object.defineProperty()?
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// Support: Android<4.0, Safari<5.1
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(function checkObjectDefinePropertyCompatibility() {
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if (typeof Object.defineProperty !== 'undefined') {
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var definePropertyPossible = true;
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@ -127,15 +120,19 @@ if (typeof PDFJS === 'undefined') {
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} catch (e) {
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definePropertyPossible = false;
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}
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if (definePropertyPossible) return;
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if (definePropertyPossible) {
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return;
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}
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}
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Object.defineProperty = function objectDefineProperty(obj, name, def) {
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delete obj[name];
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if ('get' in def)
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if ('get' in def) {
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obj.__defineGetter__(name, def['get']);
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if ('set' in def)
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}
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if ('set' in def) {
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obj.__defineSetter__(name, def['set']);
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}
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if ('value' in def) {
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obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
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this.__defineGetter__(name, function objectDefinePropertyGetter() {
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@ -148,105 +145,77 @@ if (typeof PDFJS === 'undefined') {
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};
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})();
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// Object.keys() ?
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(function checkObjectKeysCompatibility() {
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if (typeof Object.keys !== 'undefined')
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return;
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Object.keys = function objectKeys(obj) {
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var result = [];
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for (var i in obj) {
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if (obj.hasOwnProperty(i))
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result.push(i);
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}
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return result;
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};
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})();
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// No readAsArrayBuffer ?
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(function checkFileReaderReadAsArrayBuffer() {
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if (typeof FileReader === 'undefined')
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return; // FileReader is not implemented
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var frPrototype = FileReader.prototype;
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// Older versions of Firefox might not have readAsArrayBuffer
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if ('readAsArrayBuffer' in frPrototype)
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return; // readAsArrayBuffer is implemented
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Object.defineProperty(frPrototype, 'readAsArrayBuffer', {
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value: function fileReaderReadAsArrayBuffer(blob) {
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var fileReader = new FileReader();
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var originalReader = this;
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fileReader.onload = function fileReaderOnload(evt) {
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var data = evt.target.result;
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var buffer = new ArrayBuffer(data.length);
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var uint8Array = new Uint8Array(buffer);
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for (var i = 0, ii = data.length; i < ii; i++)
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uint8Array[i] = data.charCodeAt(i);
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Object.defineProperty(originalReader, 'result', {
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value: buffer,
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enumerable: true,
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writable: false,
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configurable: true
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});
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var event = document.createEvent('HTMLEvents');
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event.initEvent('load', false, false);
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originalReader.dispatchEvent(event);
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};
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fileReader.readAsBinaryString(blob);
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}
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});
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})();
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// No XMLHttpRequest.response ?
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// No XMLHttpRequest#response?
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// Support: IE<11, Android <4.0
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(function checkXMLHttpRequestResponseCompatibility() {
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var xhrPrototype = XMLHttpRequest.prototype;
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if (!('overrideMimeType' in xhrPrototype)) {
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var xhr = new XMLHttpRequest();
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if (!('overrideMimeType' in xhr)) {
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// IE10 might have response, but not overrideMimeType
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// Support: IE10
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Object.defineProperty(xhrPrototype, 'overrideMimeType', {
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value: function xmlHttpRequestOverrideMimeType(mimeType) {}
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});
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}
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if ('response' in xhrPrototype ||
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'mozResponseArrayBuffer' in xhrPrototype ||
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'mozResponse' in xhrPrototype ||
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'responseArrayBuffer' in xhrPrototype)
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if ('responseType' in xhr) {
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return;
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// IE9 ?
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}
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// The worker will be using XHR, so we can save time and disable worker.
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PDFJS.disableWorker = true;
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Object.defineProperty(xhrPrototype, 'responseType', {
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get: function xmlHttpRequestGetResponseType() {
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return this._responseType || 'text';
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},
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set: function xmlHttpRequestSetResponseType(value) {
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if (value === 'text' || value === 'arraybuffer') {
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this._responseType = value;
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if (value === 'arraybuffer' &&
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typeof this.overrideMimeType === 'function') {
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this.overrideMimeType('text/plain; charset=x-user-defined');
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}
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}
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}
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});
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// Support: IE9
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if (typeof VBArray !== 'undefined') {
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Object.defineProperty(xhrPrototype, 'response', {
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get: function xmlHttpRequestResponseGet() {
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return new Uint8Array(new VBArray(this.responseBody).toArray());
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if (this.responseType === 'arraybuffer') {
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return new Uint8Array(new VBArray(this.responseBody).toArray());
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} else {
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return this.responseText;
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}
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}
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});
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return;
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}
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// other browsers
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function responseTypeSetter() {
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// will be only called to set "arraybuffer"
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this.overrideMimeType('text/plain; charset=x-user-defined');
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}
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if (typeof xhrPrototype.overrideMimeType === 'function') {
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Object.defineProperty(xhrPrototype, 'responseType',
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{ set: responseTypeSetter });
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}
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function responseGetter() {
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var text = this.responseText;
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var i, n = text.length;
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var result = new Uint8Array(n);
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for (i = 0; i < n; ++i)
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result[i] = text.charCodeAt(i) & 0xFF;
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return result;
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}
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Object.defineProperty(xhrPrototype, 'response', { get: responseGetter });
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Object.defineProperty(xhrPrototype, 'response', {
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get: function xmlHttpRequestResponseGet() {
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if (this.responseType !== 'arraybuffer') {
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return this.responseText;
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}
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var text = this.responseText;
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var i, n = text.length;
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var result = new Uint8Array(n);
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for (i = 0; i < n; ++i) {
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result[i] = text.charCodeAt(i) & 0xFF;
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}
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return result.buffer;
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}
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});
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})();
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// window.btoa (base64 encode function) ?
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// Support: IE<10
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(function checkWindowBtoaCompatibility() {
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if ('btoa' in window)
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if ('btoa' in window) {
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return;
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}
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var digits =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
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@ -268,17 +237,21 @@ if (typeof PDFJS === 'undefined') {
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};
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})();
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// window.atob (base64 encode function) ?
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// window.atob (base64 encode function)?
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// Support: IE<10
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(function checkWindowAtobCompatibility() {
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if ('atob' in window)
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if ('atob' in window) {
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return;
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}
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// https://github.com/davidchambers/Base64.js
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var digits =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
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window.atob = function (input) {
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input = input.replace(/=+$/, '');
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if (input.length % 4 == 1) throw new Error('bad atob input');
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if (input.length % 4 === 1) {
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throw new Error('bad atob input');
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}
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for (
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// initialize result and counters
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var bc = 0, bs, buffer, idx = 0, output = '';
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@ -298,15 +271,17 @@ if (typeof PDFJS === 'undefined') {
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};
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})();
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// Function.prototype.bind ?
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// Function.prototype.bind?
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// Support: Android<4.0, iOS<6.0
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(function checkFunctionPrototypeBindCompatibility() {
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if (typeof Function.prototype.bind !== 'undefined')
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if (typeof Function.prototype.bind !== 'undefined') {
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return;
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}
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Function.prototype.bind = function functionPrototypeBind(obj) {
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var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
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var bound = function functionPrototypeBindBound() {
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var args = Array.prototype.concat.apply(headArgs, arguments);
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var args = headArgs.concat(Array.prototype.slice.call(arguments));
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return fn.apply(obj, args);
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};
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return bound;
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@ -314,23 +289,29 @@ if (typeof PDFJS === 'undefined') {
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})();
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// HTMLElement dataset property
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// Support: IE<11, Safari<5.1, Android<4.0
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(function checkDatasetProperty() {
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var div = document.createElement('div');
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if ('dataset' in div)
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if ('dataset' in div) {
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return; // dataset property exists
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}
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Object.defineProperty(HTMLElement.prototype, 'dataset', {
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get: function() {
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if (this._dataset)
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if (this._dataset) {
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return this._dataset;
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}
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var dataset = {};
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for (var j = 0, jj = this.attributes.length; j < jj; j++) {
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var attribute = this.attributes[j];
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if (attribute.name.substring(0, 5) != 'data-')
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if (attribute.name.substring(0, 5) !== 'data-') {
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continue;
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}
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var key = attribute.name.substring(5).replace(/\-([a-z])/g,
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function(all, ch) { return ch.toUpperCase(); });
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function(all, ch) {
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return ch.toUpperCase();
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});
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dataset[key] = attribute.value;
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}
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@ -346,20 +327,26 @@ if (typeof PDFJS === 'undefined') {
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})();
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// HTMLElement classList property
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// Support: IE<10, Android<4.0, iOS<5.0
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(function checkClassListProperty() {
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var div = document.createElement('div');
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if ('classList' in div)
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if ('classList' in div) {
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return; // classList property exists
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}
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function changeList(element, itemName, add, remove) {
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var s = element.className || '';
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var list = s.split(/\s+/g);
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if (list[0] === '') list.shift();
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if (list[0] === '') {
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list.shift();
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}
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var index = list.indexOf(itemName);
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if (index < 0 && add)
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if (index < 0 && add) {
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list.push(itemName);
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if (index >= 0 && remove)
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}
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if (index >= 0 && remove) {
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list.splice(index, 1);
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}
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element.className = list.join(' ');
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return (index >= 0);
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}
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@ -381,8 +368,9 @@ if (typeof PDFJS === 'undefined') {
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Object.defineProperty(HTMLElement.prototype, 'classList', {
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get: function() {
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if (this._classList)
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if (this._classList) {
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return this._classList;
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}
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var classList = Object.create(classListPrototype, {
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element: {
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@ -403,6 +391,9 @@ if (typeof PDFJS === 'undefined') {
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})();
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// Check console compatibility
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// In older IE versions the console object is not available
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// unless console is open.
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// Support: IE<10
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(function checkConsoleCompatibility() {
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if (!('console' in window)) {
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window.console = {
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@ -425,6 +416,7 @@ if (typeof PDFJS === 'undefined') {
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})();
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// Check onclick compatibility in Opera
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// Support: Opera<15
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(function checkOnClickCompatibility() {
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// workaround for reported Opera bug DSK-354448:
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// onclick fires on disabled buttons with opaque content
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@ -436,30 +428,34 @@ if (typeof PDFJS === 'undefined') {
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function isDisabled(node) {
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return node.disabled || (node.parentNode && isDisabled(node.parentNode));
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}
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if (navigator.userAgent.indexOf('Opera') != -1) {
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if (navigator.userAgent.indexOf('Opera') !== -1) {
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// use browser detection since we cannot feature-check this bug
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document.addEventListener('click', ignoreIfTargetDisabled, true);
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}
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})();
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// Checks if possible to use URL.createObjectURL()
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// Support: IE
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(function checkOnBlobSupport() {
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// sometimes IE loosing the data created with createObjectURL(), see #3977
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if (navigator.userAgent.indexOf('Trident') >= 0) {
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PDFJS.disableCreateObjectURL = true;
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}
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})();
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// Checks if navigator.language is supported
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(function checkNavigatorLanguage() {
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if ('language' in navigator)
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if ('language' in navigator) {
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return;
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Object.defineProperty(navigator, 'language', {
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get: function navigatorLanguage() {
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var language = navigator.userLanguage || 'en-US';
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return language.substring(0, 2).toLowerCase() +
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language.substring(2).toUpperCase();
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},
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enumerable: true
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});
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}
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PDFJS.locale = navigator.userLanguage || 'en-US';
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})();
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(function checkRangeRequests() {
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// Safari has issues with cached range requests see:
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// https://github.com/mozilla/pdf.js/issues/3260
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// Last tested with version 6.0.4.
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// Support: Safari 6.0+
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var isSafari = Object.prototype.toString.call(
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window.HTMLElement).indexOf('Constructor') > 0;
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@ -467,17 +463,131 @@ if (typeof PDFJS === 'undefined') {
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// https://github.com/mozilla/pdf.js/issues/3381.
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// Make sure that we only match webkit-based Android browsers,
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// since Firefox/Fennec works as expected.
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// Support: Android<3.0
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var regex = /Android\s[0-2][^\d]/;
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var isOldAndroid = regex.test(navigator.userAgent);
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||||
if (isSafari || isOldAndroid) {
|
||||
// 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() {
|
||||
if (!window.history.pushState) {
|
||||
// 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;
|
||||
}
|
||||
}
|
||||
})();
|
||||
|
||||
// Support: IE<10, Android<4.0, iOS
|
||||
(function checkRequestAnimationFrame() {
|
||||
function fakeRequestAnimationFrame(callback) {
|
||||
window.setTimeout(callback, 20);
|
||||
}
|
||||
|
||||
var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
|
||||
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;
|
||||
})();
|
||||
|
||||
(function checkCanvasSizeLimitation() {
|
||||
var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
|
||||
var isAndroid = /Android/g.test(navigator.userAgent);
|
||||
if (isIOS || isAndroid) {
|
||||
// 5MP
|
||||
PDFJS.maxCanvasPixels = 5242880;
|
||||
}
|
||||
})();
|
||||
|
||||
// Disable fullscreen support for certain problematic configurations.
|
||||
// Support: IE11+ (when embedded).
|
||||
(function checkFullscreenSupport() {
|
||||
var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 &&
|
||||
window.parent !== window);
|
||||
if (isEmbeddedIE) {
|
||||
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
|
||||
});
|
||||
})();
|
||||
File diff suppressed because one or more lines are too long
Loading…
x
Reference in New Issue
Block a user