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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Phaser Source: system/Device.js</title>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<div id="main">
<h1 class="page-title">Source: system/Device.js</h1>
<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* Detects device support capabilities. Using some elements from System.js by MrDoob and Modernizr
*
* @class Phaser.Device
* @constructor
*/
Phaser.Device = function (game) {
/**
* @property {Phaser.Game} game - A reference to the currently running game.
*/
this.game = game;
/**
* An optional 'fix' for the horrendous Android stock browser bug https://code.google.com/p/android/issues/detail?id=39247
* @property {boolean} patchAndroidClearRectBug - Description.
* @default
*/
this.patchAndroidClearRectBug = false;
// Operating System
/**
* @property {boolean} desktop - Is running desktop?
* @default
*/
this.desktop = false;
/**
* @property {boolean} iOS - Is running on iOS?
* @default
*/
this.iOS = false;
/**
* @property {boolean} cocoonJS - Is the game running under CocoonJS?
* @default
*/
this.cocoonJS = false;
/**
* @property {boolean} ejecta - Is the game running under Ejecta?
* @default
*/
this.ejecta = false;
/**
* @property {boolean} android - Is running on android?
* @default
*/
this.android = false;
/**
* @property {boolean} chromeOS - Is running on chromeOS?
* @default
*/
this.chromeOS = false;
/**
* @property {boolean} linux - Is running on linux?
* @default
*/
this.linux = false;
/**
* @property {boolean} macOS - Is running on macOS?
* @default
*/
this.macOS = false;
/**
* @property {boolean} windows - Is running on windows?
* @default
*/
this.windows = false;
/**
* @property {boolean} windowsPhone - Is running on a Windows Phone?
* @default
*/
this.windowsPhone = false;
// Features
/**
* @property {boolean} canvas - Is canvas available?
* @default
*/
this.canvas = false;
/**
* @property {boolean} file - Is file available?
* @default
*/
this.file = false;
/**
* @property {boolean} fileSystem - Is fileSystem available?
* @default
*/
this.fileSystem = false;
/**
* @property {boolean} localStorage - Is localStorage available?
* @default
*/
this.localStorage = false;
/**
* @property {boolean} webGL - Is webGL available?
* @default
*/
this.webGL = false;
/**
* @property {boolean} worker - Is worker available?
* @default
*/
this.worker = false;
/**
* @property {boolean} touch - Is touch available?
* @default
*/
this.touch = false;
/**
* @property {boolean} mspointer - Is mspointer available?
* @default
*/
this.mspointer = false;
/**
* @property {boolean} css3D - Is css3D available?
* @default
*/
this.css3D = false;
/**
* @property {boolean} pointerLock - Is Pointer Lock available?
* @default
*/
this.pointerLock = false;
/**
* @property {boolean} typedArray - Does the browser support TypedArrays?
* @default
*/
this.typedArray = false;
/**
* @property {boolean} vibration - Does the device support the Vibration API?
* @default
*/
this.vibration = false;
/**
* @property {boolean} quirksMode - Is the browser running in strict mode (false) or quirks mode? (true)
* @default
*/
this.quirksMode = false;
// Browser
/**
* @property {boolean} arora - Set to true if running in Arora.
* @default
*/
this.arora = false;
/**
* @property {boolean} chrome - Set to true if running in Chrome.
* @default
*/
this.chrome = false;
/**
* @property {boolean} epiphany - Set to true if running in Epiphany.
* @default
*/
this.epiphany = false;
/**
* @property {boolean} firefox - Set to true if running in Firefox.
* @default
*/
this.firefox = false;
/**
* @property {boolean} ie - Set to true if running in Internet Explorer.
* @default
*/
this.ie = false;
/**
* @property {number} ieVersion - If running in Internet Explorer this will contain the major version number. Beyond IE10 you should use Device.trident and Device.tridentVersion.
* @default
*/
this.ieVersion = 0;
/**
* @property {boolean} trident - Set to true if running a Trident version of Internet Explorer (IE11+)
* @default
*/
this.trident = false;
/**
* @property {number} tridentVersion - If running in Internet Explorer 11 this will contain the major version number. See http://msdn.microsoft.com/en-us/library/ie/ms537503(v=vs.85).aspx
* @default
*/
this.tridentVersion = 0;
/**
* @property {boolean} mobileSafari - Set to true if running in Mobile Safari.
* @default
*/
this.mobileSafari = false;
/**
* @property {boolean} midori - Set to true if running in Midori.
* @default
*/
this.midori = false;
/**
* @property {boolean} opera - Set to true if running in Opera.
* @default
*/
this.opera = false;
/**
* @property {boolean} safari - Set to true if running in Safari.
* @default
*/
this.safari = false;
/**
* @property {boolean} webApp - Set to true if running as a WebApp, i.e. within a WebView
* @default
*/
this.webApp = false;
/**
* @property {boolean} silk - Set to true if running in the Silk browser (as used on the Amazon Kindle)
* @default
*/
this.silk = false;
// Audio
/**
* @property {boolean} audioData - Are Audio tags available?
* @default
*/
this.audioData = false;
/**
* @property {boolean} webAudio - Is the WebAudio API available?
* @default
*/
this.webAudio = false;
/**
* @property {boolean} ogg - Can this device play ogg files?
* @default
*/
this.ogg = false;
/**
* @property {boolean} opus - Can this device play opus files?
* @default
*/
this.opus = false;
/**
* @property {boolean} mp3 - Can this device play mp3 files?
* @default
*/
this.mp3 = false;
/**
* @property {boolean} wav - Can this device play wav files?
* @default
*/
this.wav = false;
/**
* Can this device play m4a files?
* @property {boolean} m4a - True if this device can play m4a files.
* @default
*/
this.m4a = false;
/**
* @property {boolean} webm - Can this device play webm files?
* @default
*/
this.webm = false;
// Device
/**
* @property {boolean} iPhone - Is running on iPhone?
* @default
*/
this.iPhone = false;
/**
* @property {boolean} iPhone4 - Is running on iPhone4?
* @default
*/
this.iPhone4 = false;
/**
* @property {boolean} iPad - Is running on iPad?
* @default
*/
this.iPad = false;
/**
* @property {number} pixelRatio - PixelRatio of the host device?
* @default
*/
this.pixelRatio = 0;
/**
* @property {boolean} littleEndian - Is the device big or little endian? (only detected if the browser supports TypedArrays)
* @default
*/
this.littleEndian = false;
/**
* @property {boolean} fullscreen - Does the browser support the Full Screen API?
* @default
*/
this.fullscreen = false;
/**
* @property {string} requestFullscreen - If the browser supports the Full Screen API this holds the call you need to use to activate it.
* @default
*/
this.requestFullscreen = '';
/**
* @property {string} cancelFullscreen - If the browser supports the Full Screen API this holds the call you need to use to cancel it.
* @default
*/
this.cancelFullscreen = '';
/**
* @property {boolean} fullscreenKeyboard - Does the browser support access to the Keyboard during Full Screen mode?
* @default
*/
this.fullscreenKeyboard = false;
// Run the checks
this._checkAudio();
this._checkBrowser();
this._checkCSS3D();
this._checkDevice();
this._checkFeatures();
this._checkOS();
};
Phaser.Device.prototype = {
/**
* Check which OS is game running on.
* @method Phaser.Device#_checkOS
* @private
*/
_checkOS: function () {
var ua = navigator.userAgent;
if (/Android/.test(ua))
{
this.android = true;
}
else if (/CrOS/.test(ua))
{
this.chromeOS = true;
}
else if (/iP[ao]d|iPhone/i.test(ua))
{
this.iOS = true;
}
else if (/Linux/.test(ua))
{
this.linux = true;
}
else if (/Mac OS/.test(ua))
{
this.macOS = true;
}
else if (/Windows/.test(ua))
{
this.windows = true;
if (/Windows Phone/i.test(ua))
{
this.windowsPhone = true;
}
}
if (this.windows || this.macOS || (this.linux && this.silk === false))
{
this.desktop = true;
}
// Windows Phone / Table reset
if (this.windowsPhone || ((/Windows NT/i.test(ua)) && (/Touch/i.test(ua))))
{
this.desktop = false;
}
},
/**
* Check HTML5 features of the host environment.
* @method Phaser.Device#_checkFeatures
* @private
*/
_checkFeatures: function () {
this.canvas = !!window['CanvasRenderingContext2D'] || this.cocoonJS;
try {
this.localStorage = !!localStorage.getItem;
} catch (error) {
this.localStorage = false;
}
this.file = !!window['File'] && !!window['FileReader'] && !!window['FileList'] && !!window['Blob'];
this.fileSystem = !!window['requestFileSystem'];
this.webGL = ( function () { try { var canvas = document.createElement( 'canvas' ); return !! window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ); } catch( e ) { return false; } } )();
if (this.webGL === null || this.webGL === false)
{
this.webGL = false;
}
else
{
this.webGL = true;
}
this.worker = !!window['Worker'];
if ('ontouchstart' in document.documentElement || (window.navigator.maxTouchPoints && window.navigator.maxTouchPoints > 1))
{
this.touch = true;
}
if (window.navigator.msPointerEnabled || window.navigator.pointerEnabled)
{
this.mspointer = true;
}
this.pointerLock = 'pointerLockElement' in document || 'mozPointerLockElement' in document || 'webkitPointerLockElement' in document;
this.quirksMode = (document.compatMode === 'CSS1Compat') ? false : true;
},
/**
* Checks for support of the Full Screen API.
*
* @method Phaser.Device#checkFullScreenSupport
*/
checkFullScreenSupport: function () {
var fs = [
'requestFullscreen',
'requestFullScreen',
'webkitRequestFullscreen',
'webkitRequestFullScreen',
'msRequestFullscreen',
'msRequestFullScreen',
'mozRequestFullScreen',
'mozRequestFullscreen'
];