97 lines
5 KiB
JavaScript
97 lines
5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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utils.platform = {
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platform: function () {
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var version, webkitVersion
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var platform = {}
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var userAgent = (navigator.userAgent).toLowerCase()
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var language = navigator.language || navigator.browserLanguage
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version = platform.version = (userAgent.match(/.*(?:rv|chrome|webkit|opera|ie)[/: ](.+?)([ );]|$)/) || [])[1]
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webkitVersion = (userAgent.match(/webkit\/(.+?) /) || [])[1]
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platform.windows = platform.isWindows = !!/windows/.test(userAgent)
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platform.mac = platform.isMac = !!/macintosh/.test(userAgent) || (/mac os x/.test(userAgent) && !/like mac os x/.test(userAgent))
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platform.lion = platform.isLion = !!(/mac os x 10_7/.test(userAgent) && !/like mac os x 10_7/.test(userAgent))
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platform.iPhone = platform.isiPhone = !!/iphone/.test(userAgent)
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platform.iPod = platform.isiPod = !!/ipod/.test(userAgent)
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platform.iPad = platform.isiPad = !!/ipad/.test(userAgent)
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platform.iOS = platform.isiOS = platform.iPhone || platform.iPod || platform.iPad
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platform.android = platform.isAndroid = !!/android/.test(userAgent)
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platform.opera = /opera/.test(userAgent) ? version : 0
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platform.isOpera = !!platform.opera
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platform.msie = /msie/.test(userAgent) && !platform.opera ? version : 0
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platform.isIE = !!platform.msie
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platform.isIE8OrLower = !!(platform.msie && parseInt(platform.msie, 10) <= 8)
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platform.mozilla = /mozilla/.test(userAgent) && !/(compatible|webkit|msie)/.test(userAgent) ? version : 0
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platform.isMozilla = !!platform.mozilla
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platform.webkit = /webkit/.test(userAgent) ? webkitVersion : 0
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platform.isWebkit = !!platform.webkit
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platform.chrome = /chrome/.test(userAgent) ? version : 0
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platform.isChrome = !!platform.chrome
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platform.mobileSafari = /apple.*mobile/.test(userAgent) && platform.iOS ? webkitVersion : 0
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platform.isMobileSafari = !!platform.mobileSafari
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platform.iPadSafari = platform.iPad && platform.isMobileSafari ? webkitVersion : 0
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platform.isiPadSafari = !!platform.iPadSafari
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platform.iPhoneSafari = platform.iPhone && platform.isMobileSafari ? webkitVersion : 0
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platform.isiPhoneSafari = !!platform.iphoneSafari
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platform.iPodSafari = platform.iPod && platform.isMobileSafari ? webkitVersion : 0
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platform.isiPodSafari = !!platform.iPodSafari
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platform.isiOSHomeScreen = platform.isMobileSafari && !/apple.*mobile.*safari/.test(userAgent)
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platform.safari = platform.webkit && !platform.chrome && !platform.iOS && !platform.android ? webkitVersion : 0
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platform.isSafari = !!platform.safari
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platform.language = language.split('-', 1)[0]
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platform.current =
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platform.msie ? 'msie' : platform.mozilla ? 'mozilla' : platform.chrome ? 'chrome' : platform.safari ? 'safari' : platform.opera ? 'opera' : platform.mobileSafari ? 'mobile-safari' : platform.android ? 'android' : 'unknown'
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function platformName (candidates) {
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for (var i = 0; i < candidates.length; i++) {
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if (candidates[i] in window) {
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return 'window.' + candidates[i]
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}
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if (candidates[i] in navigator) {
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return 'navigator.' + candidates[i]
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}
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}
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return undefined
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}
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platform.GUM = platformName(['getUserMedia', 'webkitGetUserMedia', 'mozGetUserMedia', 'msGetUserMedia', 'getGUM'])
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platform.PeerConnection = platformName(['webkitRTCPeerConnection', 'mozRTCPeerConnection', 'msPeerConnection'])
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platform.IceCandidate = platformName(['mozRTCIceCandidate', 'RTCIceCandidate'])
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platform.SessionDescription = platformName(['mozRTCSessionDescription', 'RTCSessionDescription'])
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platform.URL = platformName(['URL', 'webkitURL'])
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platform.AudioContext = platformName(['AudioContext', 'webkitAudioContext'])
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platform.OfflineAudioContext = platformName(['OfflineAudioContext', 'webkitOfflineAudioContext'])
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platform.MediaSource = platformName(['MediaSource', 'WebKitMediaSource'])
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platform.SpeechRecognition = platformName(['SpeechRecognition', 'webkitSpeechRecognition'])
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platform.SpeechGrammarList = platformName(['SpeechGrammarList', 'webkitSpeechGrammarList'])
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function findWebGLContextName (candidates) {
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var canvas = document.createElement('canvas')
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for (var i = 0; i < candidates.length; i++) {
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var name = candidates[i]
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try {
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if (canvas.getContext(name)) {
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return name
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}
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} catch (e) {}
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}
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return null
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}
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platform.WebGL = 'webgl' // findWebGLContextName(["webgl", "experimental-webgl", "webkit-3d"]);
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platform.WebGL2 = 'webgl2' // findWebGLContextName(["webgl2", "experimental-webgl2"]);
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platform.captureStreamUntilEnded = 'captureStreamUntilEnded'
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if (platform.isMozilla) { platform.captureStreamUntilEnded = 'mozCaptureStreamUntilEnded' }
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platform.srcObject = 'srcObject'
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if (platform.isMozilla) { platform.srcObject = 'mozSrcObject' }
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return platform
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}
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}
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