package {
	import flash.display.Sprite;
	import flash.events.Event;
	import flash.net.URLLoader;
	import flash.net.URLRequest;

	[SWF(width="800", height="600", backgroundColor="#ffffff", frameRate="30")]
	public class vis_demo extends Sprite
	{
		private var serviceUrl:String = "http://twitter.com/statuses/public_timeline.xml";
		private var loader:URLLoader;
		
		private var gui:Gui;
		
		public function vis_demo()
		{
			this.loader = new URLLoader();
			this.gui = new Gui();
			this.addChild(gui);
			loadData();
		}
		
		private function loadData():void {
			trace("loading data...");
			var request:URLRequest = new URLRequest(this.serviceUrl);
			
			// Register callback for when loader has finished. 
			this.loader.addEventListener(Event.COMPLETE, onComplete);
			this.loader.load(request);
		}
		
		private function onComplete(event:Event):void {
			trace("data received");
			var data:XML = new XML(loader.data);
			trace(data);
			this.gui.showMessages(data);
		}
	}
}