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root / trunk / web / dojo / dojox / flash / ExpressInstall.as

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1 9 andrej.cim
/**
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 * Based on the expressinstall.as class created by Geoff Stearns as part
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 * of the FlashObject library.
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 *
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 * Use this file to invoke the Macromedia Flash Player Express Install functionality
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 * This file is intended for use with the FlashObject embed script. You can download FlashObject
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 * and this file at the following URL: http://blog.deconcept.com/flashobject/
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 *
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 * Usage:
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 *          var ExpressInstall = new ExpressInstall();
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 *
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 *          // test to see if install is needed:
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 *          if (ExpressInstall.needsUpdate) { // returns true if update is needed
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 *              ExpressInstall.init(); // starts the update
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 *          }
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 *
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 *	NOTE: Your Flash movie must be at least 214px by 137px in order to use ExpressInstall.
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 *
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 */
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class ExpressInstall{
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	public var needsUpdate:Boolean;
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	private var updater:MovieClip;
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	private var hold:MovieClip;
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	public function ExpressInstall(){
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		// does the user need to update?
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		this.needsUpdate = (_root.MMplayerType == undefined) ? false : true;
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	}
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	public function init():Void{
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		this.loadUpdater();
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	}
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	public function loadUpdater():Void{
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		System.security.allowDomain("fpdownload.macromedia.com");
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		// hope that nothing is at a depth of 10000000, you can change this depth if needed, but you want
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		// it to be on top of your content if you have any stuff on the first frame
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		this.updater = _root.createEmptyMovieClip("expressInstallHolder", 10000000);
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		// register the callback so we know if they cancel or there is an error
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		var _self = this;
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		this.updater.installStatus = _self.onInstallStatus;
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		this.hold = this.updater.createEmptyMovieClip("hold", 1);
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		// can't use movieClipLoader because it has to work in 6.0.65
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		this.updater.onEnterFrame = function():Void {
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			if(typeof this.hold.startUpdate == 'function'){
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				_self.initUpdater();
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				this.onEnterFrame = null;
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			}
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		}
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		var cacheBuster:Number = Math.random();
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		this.hold.loadMovie("http://fpdownload.macromedia.com/pub/flashplayer/"
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												+"update/current/swf/autoUpdater.swf?"+ cacheBuster);
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	}
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	private function initUpdater():Void{
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		this.hold.redirectURL = _root.MMredirectURL;
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		this.hold.MMplayerType = _root.MMplayerType;
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		this.hold.MMdoctitle = _root.MMdoctitle;
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		this.hold.startUpdate();
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	}
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	public function onInstallStatus(msg):Void{
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		getURL("javascript:dojox.flash.install._onInstallStatus('"+msg+"')");
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	}
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}