VMM.Browser.js

/*	* DEVICE AND BROWSER DETECTION
================================================== */
if(typeof VMM != 'undefined' && typeof VMM.Browser == 'undefined') {
	
	VMM.Browser = {
		init: function () {
			this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
			this.version = this.searchVersion(navigator.userAgent)
				|| this.searchVersion(navigator.appVersion)
				|| "an unknown version";
			this.tridentVersion = this.searchTridentVersion(navigator.userAgent);
			this.OS = this.searchString(this.dataOS) || "an unknown OS";
			this.device = this.searchDevice(navigator.userAgent);
			this.orientation = this.searchOrientation(window.orientation);
			this.features = {
				css: {
					transitions: this.cssTransitionSupport()
				}
			};
		},
		searchOrientation: function(orientation) {
			var orient = "";
			if ( orientation == 0  || orientation == 180) {
				orient = "portrait";
			} else if ( orientation == 90 || orientation == -90) {
				orient = "landscape";
			} else {
				orient = "normal";
			}
			return orient;
		},
		searchDevice: function(d) {
			var device = "";
			if (d.match(/Android/i) || d.match(/iPhone|iPod/i)) {
				device = "mobile";
			} else if (d.match(/iPad/i)) {
				device = "tablet";
			} else if (d.match(/BlackBerry/i) || d.match(/IEMobile/i)) {
				device = "other mobile";
			} else {
				device = "desktop";
			}
			return device;
		},
		searchString: function (data) {
			for (var i=0;i<data.length;i++)	{
				var dataString	= data[i].string,
					dataProp	= data[i].prop;
					
				this.versionSearchString = data[i].versionSearch || data[i].identity;
				
				if (dataString) {
					if (dataString.indexOf(data[i].subString) != -1) {
						return data[i].identity;
					}
				} else if (dataProp) {
					return data[i].identity;
				}
			}
		},
		searchVersion: function (dataString) {
			var index = dataString.indexOf(this.versionSearchString);
			if (index == -1) return;
			return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
		},
		searchTridentVersion: function (dataString) {
		    var index = dataString.indexOf("Trident/");
		    if (index == -1) return 0;
		    return parseFloat(dataString.substring(index + 8));
		},
		dataBrowser: [
			{
				string: navigator.userAgent,
				subString: "Chrome",
				identity: "Chrome"
			},
			{ 	string: navigator.userAgent,
				subString: "OmniWeb",
				versionSearch: "OmniWeb/",
				identity: "OmniWeb"
			},
			{
				string: navigator.vendor,
				subString: "Apple",
				identity: "Safari",
				versionSearch: "Version"
			},
			{
				prop: window.opera,
				identity: "Opera",
				versionSearch: "Version"
			},
			{
				string: navigator.vendor,
				subString: "iCab",
				identity: "iCab"
			},
			{
				string: navigator.vendor,
				subString: "KDE",
				identity: "Konqueror"
			},
			{
				string: navigator.userAgent,
				subString: "Firefox",
				identity: "Firefox"
			},
			{
				string: navigator.vendor,
				subString: "Camino",
				identity: "Camino"
			},
			{		// for newer Netscapes (6+)
				string: navigator.userAgent,
				subString: "Netscape",
				identity: "Netscape"
			},
			{
				string: navigator.userAgent,
				subString: "MSIE",
				identity: "Explorer",
				versionSearch: "MSIE"
			},
			{
				string: navigator.userAgent,
				subString: "Gecko",
				identity: "Mozilla",
				versionSearch: "rv"
			},
			{ 		// for older Netscapes (4-)
				string: navigator.userAgent,
				subString: "Mozilla",
				identity: "Netscape",
				versionSearch: "Mozilla"
			}
		],
		dataOS : [
			{
				string: navigator.platform,
				subString: "Win",
				identity: "Windows"
			},
			{
				string: navigator.platform,
				subString: "Mac",
				identity: "Mac"
			},
			{
				string: navigator.userAgent,
				subString: "iPhone",
				identity: "iPhone/iPod"
		    },
			{
				string: navigator.userAgent,
				subString: "iPad",
				identity: "iPad"
		    },
			{
				string: navigator.platform,
				subString: "Linux",
				identity: "Linux"
			}
		],
		cssTransitionSupport: function () {
			// See https://gist.github.com/jackfuchs/556448
			var b = document.body || document.documentElement,
			s = b.style,
			p = 'transition';

			if (typeof s[p] == 'string') {
				return true;
			}

			// Tests for vendor specific prop
			var v = ['Moz', 'webkit', 'Webkit', 'Khtml', 'O', 'ms'];
			p = p.charAt(0).toUpperCase() + p.substr(1);

			for (var i=0; i<v.length; i++) {
				if (typeof s[v[i] + p] == 'string') {
					return true;
				}
			}

			return false;
		}
	};
	VMM.Browser.init();
}