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AS3: Pop-up blocker workaround

/ Published in: ActionScript 3
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If pop-up blockers are making things difficult for you, try this awesome class. It uses Javascript to pop open a window if navigateToURL() fails.

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  1. /**
  2. * Flash AS3 Page Change Utility
  3. * @author Jordan Ambra
  4. * @version 1.2
  5. * http://www.zorked.com
  6. * http://www.zorked.com/flash/flash-and-navigatetourl-popup-blocking/
  7. */
  8.  
  9. package com.zorked {
  10. 	import flash.external.ExternalInterface;
  11. 	import flash.net.*;
  12.  
  13. 	public class URLNavigator {
  14.  
  15. 		/**
  16. 		 * Utility function to wrap up changing pages. Avoids over-aggressive popup blockers.
  17. 		 * @param url		The URL to change to. Either a String or a URLRequest
  18. 		 * @param window	The target browser window/tab, generally _self, _top, or _blank
  19. 		 * @usage URLNavigator.ChangePage("http://www.google.com", "_blank");
  20. 		 */
  21. 		public static function ChangePage(url:*, window:String = "_self"):void {
  22. 			var req:URLRequest = url is String ? new URLRequest(url) : url;
  23. 			if (!ExternalInterface.available) {
  24. 				navigateToURL(req, window);
  25. 			} else {
  26. 				var strUserAgent:String = String(ExternalInterface.call("function() {return navigator.userAgent;}")).toLowerCase();
  27. 				if (strUserAgent.indexOf("firefox") != -1 || (strUserAgent.indexOf("msie") != -1 && uint(strUserAgent.substr(strUserAgent.indexOf("msie") + 5, 3)) >= 7)) {
  28. 					ExternalInterface.call("window.open", req.url, window);
  29. 				} else {
  30. 					navigateToURL(req, window);
  31. 				}
  32. 			}
  33. 		}
  34.  
  35. 	}
  36.  
  37. }

URL: http://www.zorked.com/flash/flash-and-navigatetourl-popup-blocking/

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