/media/js/base/site.js

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
(function () {
    'use strict';
    function getPlatform() {
        var ua = navigator.userAgent,
            pf = navigator.platform;
        if (/Win(16|9[x58]|NT( [1234]| 5\.0| [^0-9]|[^ -]|$))/.test(ua) ||
                /Windows ([MC]E|9[x58]|3\.1|4\.10|NT( [1234]| 5\.0| [^0-9]|[^ ]|$))/.test(ua) ||
                /Windows_95/.test(ua)) {
            /**
             * Officially unsupported platforms are Windows 95, 98, ME, NT 4.x, 2000
             * These regular expressions match:
             *  - Win16
             *  - Win9x
             *  - Win95
             *  - Win98
             *  - WinNT (not followed by version or followed by version <= 5)
             *  - Windows ME
             *  - Windows CE
             *  - Windows 9x
             *  - Windows 95
             *  - Windows 98
             *  - Windows 3.1
             *  - Windows 4.10
             *  - Windows NT (not followed by version or followed by version <= 5)
             *  - Windows_95
             */
            return 'oldwin';
        }
        if (ua.indexOf("MSIE 6.0") !== -1 &&
                ua.indexOf("Windows NT 5.1") !== -1 &&
                ua.indexOf("SV1") === -1) {
            // Windows XP SP1
            return 'oldwin';
        }
        if (pf.indexOf("Win32") !== -1 ||
                pf.indexOf("Win64") !== -1) {
            return 'windows';
        }
        if (/android/i.test(ua)) {
            return 'android';
        }
        if (/armv[6-7]l/.test(pf)) {
            return 'android';
        }
        if (pf.indexOf("Linux") !== -1) {
            return 'linux';
        }
        if (pf.indexOf("MacPPC") !== -1) {
            return 'oldmac';
        }
        if (/Mac OS X 10.[0-5]/.test(ua)) {
            return 'oldmac';
        }
        if (pf.indexOf('iPhone') !== -1 || 
                pf.indexOf('iPad') !== -1 || 
                pf.indexOf('iPod') !== -1 ) {
            return 'ios';
        }
        if (ua.indexOf("Mac OS X") !== -1) {
            return 'osx';
        }
        if (ua.indexOf("MSIE 5.2") !== -1) {
            return 'oldmac';
        }
        if (pf.indexOf("Mac") !== -1) {
            return 'oldmac';
        }
        return 'other';
    }
    (function () {
        // if other than 'windows', immediately replace the platform classname on the html-element
        // to avoid lots of flickering
        var h = document.documentElement;
        window.site = {
            platform : getPlatform()
        };
        if (window.site.platform !== 'windows') {
            h.className = h.className.replace("windows", window.site.platform);
        }
        // Add class to reflect javascript availability for CSS
        h.className = h.className.replace(/\bno-js\b/, 'js');
    })();
})();