jonJS.Browser.js

(function() {

	var jonJS = {
	    version: "1.1"
	};

	jonJS.Browser = function() {
		var ua = navigator.userAgent.toLowerCase();
		
		// -------------------------
		// Browsers
		// -------------------------
		this.isOpera = ua.indexOf("opera") > -1;
		this.isIE = ua.indexOf("msie") > -1;
		this.isIEv55_6 = typeof document.addEventListener !== "function" && !window.XMLHttpRequest;
		this.isWebKit = ua.indexOf("applewebkit/") > -1;
		this.isGecko = ua.indexOf("gecko") > -1 && ua.indexOf("khtml") > -1;
		this.isChrome = ua.indexOf("chrome") > -1;
		this.isFireFox = ua.indexOf("firefox") > -1;
		this.isSafari = ua.indexOf("safari") > -1;
		this.isMobileSafari = /apple.*mobile/.test(ua);
		
		// -------------------------
		// Browser Version
		// -------------------------
		this.browserName = navigator.appName;
		this.browserVersion = "" + parseFloat(navigator.appVersion);
		this.browserMajorVersion = parseInt(navigator.appVersion, 10);
		
		var nameOffset, verOffset, ix;
		
		if (this.isIE) { // get IE version
			this.browserName = "MSIE";
		    this.browserVersion = ua.substring(ua.indexOf("msie") + 5);
		}
		else if (this.isOpera) { // get Opera version
		    this.browserName = "Opera";
		    this.browserVersion = ua.substring(ua.indexOf("opera") + 6);
		}
		else if (this.isChrome) { // get Chrome version
		    this.browserName = "Chrome";
		    this.browserVersion = ua.substring(ua.indexOf("chrome") + 7);
		}
		else if (this.isSafari) { // get Safari version
		    this.browserName = "Safari";
		    this.browserVersion = ua.substring(ua.indexOf("safari") + 7);
		}
		else if (this.isFireFox) { // get FireFox version
		    this.browserName = "Firefox";
		    this.browserVersion = ua.substring(ua.indexOf("firefox") + 8);
		}
		else if ((nameOffset = ua.lastIndexOf(' ') + 1) < (verOffset = nAgt.lastIndexOf('/'))) { // all other browsers
		    this.browserName = ua.substring(nameOffset, verOffset);
		    this.browserVersion = ua.substring(verOffset + 1);
		    if (this.browserName.toLowerCase() == this.browserName.toUpperCase()) {
		        this.browserName = navigator.appName;
		    }
		}
		
		if ((ix = this.browserVersion.indexOf(";")) != -1) { 
			this.browserVersion = this.browserVersion.substring(0, ix);
		}
		
		if ((ix = this.browserVersion.indexOf(" ")) != -1) { 
			this.browserVersion = this.browserVersion.substring(0, ix);
		}
		
		this.browserMajorVersion = parseInt('' + this.browserVersion, 10);
		
		if (isNaN(this.browserMajorVersion)) {
		    this.browserVersion = '' + parseFloat(navigator.appVersion);
		    this.browserMajorVersion = parseInt(navigator.appVersion, 10);
		}
		
		// -------------------------
		// OS
		// -------------------------
		var osPlatform = ua.match(/windows/) ? "WindowsOS" : (ua.match(/linux/) ? "LinuxOS" : (ua.match(/mac/) ? "MacOS" : ua.match(/unix/) ? "UnixOS" : "unknown"));
		this[osPlatform] = true;
		
		// -------------------------
		// .NET Framework
		// -------------------------
		this.dotNet2 = this.dotNet3 = this.dotNet35 = this.dotNet4 = this.isIE64bit = false;
		
		if (this.WindowsOS) {
			this.dotNet2 = ua.indexOf(".net clr 2.0") != -1;
			this.dotNet3 = ua.indexOf(".net clr 3.0") != -1;
			this.dotNet35 = ua.indexOf(".net clr 3.5") != -1;
			this.dotNet4 = ua.indexOf(".net4.0") != -1;
			
			// IE 64-bit
			if (ua.indexOf("win64") > -1 && ua.indexOf("x64") > -1) {
				this.isIE64bit = true;
			}
		}
		
		// -------------------------
		// Apple mobile devices
		// -------------------------
		this.isIphone = this.isIpod = this.isIpad = false;
		
		if (this.isMobileSafari) {
				this.isIphone = ua.indexOf("iphone") != -1;
				this.isIpod = ua.indexOf("ipod") != -1;
				this.isIpad = ua.indexOf("ipad") != -1;
		}
		
		// -------------------------
		// SSL check
		// -------------------------
	    this.isSecure = window.location.href.toLowerCase().indexOf("https") === 0;
	};
	
	jonJS.Browser = new jonJS.Browser(); // ini singleton instance
	window.jonJS = jonJS; // expose to global obj

})();