/*
* platformSelector: a jQuery plugin
*
* platformSelector is a simple jQuery plugin that adds classes to the body
* element representing the browser's environment.  It adds classes for browser
* type, browser version, operating system, rendering engine and JS-enabled.
*
* For full documentation, visit:
* http://github.com/alexrabarts/jquery-platformselector
*
* Licensed under the MIT:
* http://www.opensource.org/licenses/mit-license.php
*
* Copyright (c) 2008 Stateless Systems (http://statelesssystems.com)
*
* @author   Alex Rabarts (alexrabarts -at- gmail -dawt- com)
* @requires jQuery v1.2 or later
* @version  0.1.1
*/
(function($) { function t(str, test) { return str.indexOf(test) !== -1; } function uaIs(test) { return t(ua, test); } var ua = navigator.userAgent.toLowerCase(); var ie = (!uaIs('opera') && !uaIs('webtv') && (/msie (\d+)/.test(ua))) ? 'ie ie_' + RegExp.$1 : ''; var os = (uaIs('x11') || uaIs('linux')) ? 'linux' : uaIs('mac') ? 'mac' : uaIs('win') ? 'win' : ''; var classNames = [ie, os, 'js']; var agents = ua.split(' '); $.each(agents, function() { if (!this.match(/(\w+)\/([^\s]+)/)) { return; } var agent = RegExp.$1; var fullVersion = RegExp.$2.replace(/[\/\.]/g, '_'); var majorVersion = fullVersion.replace(/_.*/, ''); classNames = classNames.concat([agent, agent + '_' + fullVersion, agent + '_' + majorVersion]); }); if ($.inArray('safari', classNames) !== -1 && $.inArray('version', classNames) !== -1) { classNames = $.map(classNames, function(c) { return c.replace('version', 'safari'); }); } if ($.inArray('chrome', classNames) !== -1) { classNames = $.map(classNames, function(c) { return c.match(/^safari/) ? null : c; }); } var engineVersion = ((ua.match(/.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/) || [0, '0'])[1]).replace(/\./g, '_'); $.each(['opera', 'applewebkit', 'gecko'], function() { if ($.inArray(String(this), classNames) !== -1) { classNames.push(this + '_' + engineVersion); return false; } }); var seen = {}; classNames = $.map(classNames, function(c) { if (seen[c] || c.match(/^mozilla/)) { return null; } else { seen[c] = true; return c; } }).join(' '); var html = $('html'); html.addClass(classNames); $(function() { html.removeAttr('class'); $('body').addClass(classNames); }); })(jQuery);