102 lines
5.1 KiB
JavaScript
102 lines
5.1 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, 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" :
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platform.mozilla ? "mozilla" :
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platform.chrome ? "chrome" :
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platform.safari ? "safari" :
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platform.opera ? "opera" :
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platform.mobileSafari ? "mobile-safari" :
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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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