/***********************************************************

 * Copyright 2010 Adobe Systems Incorporated.  All Rights Reserved.

 *

 * *********************************************************

 * The contents of this file are subject to the Berkeley Software Distribution (BSD) Licence

 * (the "License"); you may not use this file except in

 * compliance with the License. 

 *

 * Software distributed under the License is distributed on an "AS IS"

 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the

 * License for the specific language governing rights and limitations

 * under the License.

 *

 *

 * The Initial Developer of the Original Code is Adobe Systems Incorporated.

 * Portions created by Adobe Systems Incorporated are Copyright (C) 2010 Adobe Systems

 * Incorporated. All Rights Reserved.

 * 

 **********************************************************/



package org.osmf.player.configuration

{	

	import flash.events.Event;

	import flash.events.EventDispatcher;

	import flash.events.IOErrorEvent;

	import flash.events.SecurityErrorEvent;

	import flash.net.URLLoader;

	import flash.net.URLRequest;

	

	import org.osmf.player.chrome.configuration.ConfigurationUtils;

	

	[Event(name="complete", type="flash.events.Event")]

	

	/**

	 * Loads a configuration model from flashvars and external configuration files.

	 */ 

	public class ConfigurationLoader extends EventDispatcher

	{			

		public function ConfigurationLoader(configurationDeserializer:ConfigurationFlashvarsDeserializer, xmlDeserializer:ConfigurationXMLDeserializer)

		{

			this.flashvarsDeserializer = configurationDeserializer;

			this.xmlDeserializer = xmlDeserializer;

		}

		

		public function load(parameters:Object, configuration:PlayerConfiguration):void

		{

			

			// Parse configuration from the parameters passed on embedding

			// StrobeMediaPlayback.swf:

			if (parameters.hasOwnProperty("configuration"))

			{					

				var configurationContent:String = parameters["configuration"];				

//				if ((configurationContent.toLowerCase().lastIndexOf(".xml") == (configurationContent.length - 4)))

				{					

					var loader:XMLFileLoader = new XMLFileLoader();					

					loader.addEventListener(Event.COMPLETE, loadConfiguration);

					loader.addEventListener(SecurityErrorEvent.SECURITY_ERROR, loadConfiguration);

					loader.addEventListener(IOErrorEvent.IO_ERROR, loadConfiguration);				

					function loadConfiguration(event:Event):void

					{

						loader.removeEventListener(Event.COMPLETE, loadConfiguration);

						loader.removeEventListener(SecurityErrorEvent.SECURITY_ERROR, loadConfiguration);

						loader.removeEventListener(IOErrorEvent.IO_ERROR, loadConfiguration);

					

						if (loader.xml != null)

						{

							xmlDeserializer.deserialize(loader.xml);

						}

						flashvarsDeserializer.deserialize(parameters);

						

						dispatchEvent(new Event(Event.COMPLETE));	

					}					

					loader.load(configurationContent);

				}

//				else {load content directly}

			}

			else

			{			

				flashvarsDeserializer.deserialize(parameters);

				dispatchEvent(new Event(Event.COMPLETE));

			}	

		}	

		

		// Internals

		//

		

		private var xmlDeserializer:ConfigurationXMLDeserializer;

		private var flashvarsDeserializer:ConfigurationFlashvarsDeserializer;

	}

}