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

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