navigateToURL IE 上快顯封鎖問題 by 羊小咩

URLUtils.as

package
{
	import flash.external.ExternalInterface;
	import flash.net.URLRequest;
	import flash.net.navigateToURL;
	
	/**
	 * http://blog.lamb-mei.com/2012/06/navigatetourl-ie.html
	 * @author 羊小咩
	 */
	public class URLUtils
	{
		public static const BROWSER_IE:String = "IE";
		public static const BROWSER_FF:String = "FF";
		public static const BROWSER_CHROME:String = "CHROME"
		public static const BROWSER_OPERA:String = "OPERA"
		public static const BROWSER_SAFARI:String = "SAFARI"
		public static const BROWSER_UNKNOWN:String = "UNKNOWN"
		
		protected static const WINDOW_OPEN_FUNCTION:String = "window.open";
		
		/**
		 * @param url
		 * @param window
		 */
		public static function openWindow(url:String, window:String = "_blank"):void
		{
			var browserName:String = getBrowserName();
			
			var isFF = browserName == BROWSER_FF
			var isIE = browserName == BROWSER_IE
			var isChrome = browserName == BROWSER_CHROME
			var isOpera = browserName == BROWSER_OPERA
			var isSafari = browserName == BROWSER_SAFARI
			var isUnknown = browserName == BROWSER_UNKNOWN
			
			trace("isFF", isFF)
			trace("isIE", isIE)
			trace("isChrome", isChrome)
			trace("isOpera", isOpera)
			trace("isSafari", isSafari)
			trace("isUnknown", isUnknown)
			
			if (!ExternalInterface.available)
			{
				navigateToURL(new URLRequest(url), window);
				return
			}
			
			if (isIE)
			{
				ExternalInterface.call(WINDOW_OPEN_FUNCTION, url);
			}
			else
			{
				//ExternalInterface.call(WINDOW_OPEN_FUNCTION, url, window);
				navigateToURL(new URLRequest(url), window);
			}
		}
		
		public static function getBrowserName():String
		{
			var browser:String;
			var browserAgent:String = ExternalInterface.call("function getBrowser(){return navigator.userAgent;}");
			
			if (browserAgent != null && browserAgent.indexOf("Chrome") >= 0)
			{
				browser = BROWSER_CHROME;
			}
			else if (browserAgent != null && browserAgent.indexOf("Firefox") >= 0)
			{
				browser = BROWSER_FF;
			}
			else if (browserAgent != null && browserAgent.indexOf("Safari") >= 0)
			{
				browser = BROWSER_SAFARI;
			}
			else if (browserAgent != null && browserAgent.indexOf("MSIE") >= 0)
			{
				browser = BROWSER_IE;
			}
			else if (browserAgent != null && browserAgent.indexOf("Opera") >= 0)
			{
				browser = BROWSER_OPERA;
			}
			else
			{
				browser = BROWSER_UNKNOWN;
			}
			return browser;
		}
	}
}