Strobe Media Playback SVN

/*****************************************************
 *  
 *  Copyright 2010 Adobe Systems Incorporated.  All Rights Reserved.
 *  
 *****************************************************
 *  The contents of this file are subject to the Mozilla Public License
 *  Version 1.1 (the "License"); you may not use this file except in
 *  compliance with the License. You may obtain a copy of the License at
 *  http://www.mozilla.org/MPL/
 *   
 *  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
{
	import com.adobe.rsl.RuntimeSharedLibrariesLoader;
	import com.adobe.rsl.RuntimeSharedLibrary;
	import com.adobe.rsl.RuntimeSharedLibraryEvent;
	
	import flash.display.DisplayObject;
	import flash.display.MovieClip;
	import flash.display.StageAlign;
	import flash.events.Event;
	import flash.system.ApplicationDomain;
	import flash.text.TextField;
	import flash.utils.getDefinitionByName;
		
	[SWF(frameRate="25", backgroundColor="0x000000")]
	public class FlashMediaPlayback extends MovieClip
	{		
		/*
		* Please keep the following lines as is!
		* the ant build script that generates the swz
		* will look for this line and will replace
		* the digest value to the one it calculates for the swz.
		* If you change the spacing/qualifiers/constant name, make sure
		* you update the ant script also !!!
		*/
		public static const STROBE_SWZ_DIGEST:String = '5c546ab32ac98ffa8028d0faef715372ec4490ddf65712b73b813646bf135927';
		public static const STROBE_SWZ_URL:String = 'StrobeMediaPlayback_1.0.10000_for_fp10.0.swz';		

		public function FlashMediaPlayback()
		{
			super();
			stop();
			
			parameters = loaderInfo ? loaderInfo.parameters : {};
			addEventListener(Event.ADDED_TO_STAGE, onAddedToStage);
		}
		
		private function onAddedToStage(event:Event):void
		{
			stage.align = StageAlign.TOP_LEFT;	

			libraryLoader = new RuntimeSharedLibrariesLoader();
			
			var preloaderUrl:String = loaderInfo.loaderURL;
			var lastSeparatorPosition:int = preloaderUrl.lastIndexOf("/");
			var baseUrl:String = (lastSeparatorPosition > 0) ? preloaderUrl.substr(0, lastSeparatorPosition + 1) : "";
			libraryLoader.addRSL(
				new RuntimeSharedLibrary
					( baseUrl + STROBE_SWZ_URL
					, STROBE_SWZ_DIGEST
					));
		
			libraryLoader.addEventListener(RuntimeSharedLibraryEvent.LOAD_SUCCESS, onRSLLoadComplete);
			libraryLoader.addEventListener(RuntimeSharedLibraryEvent.LOAD_ERROR, onRSLLoadError);
						
			libraryLoader.load();
		}
		
		private function onRSLLoadComplete(event:RuntimeSharedLibraryEvent):void
		{			
			instantiatePlayer();
		}
		
		private function onRSLLoadError(event:RuntimeSharedLibraryEvent):void
		{
			trace("error loading rsl list: " + event.numLibrariesFailed);
			trace(event.toString());
			instantiatePlayer();			
		}
		
		
		private function instantiatePlayer():void
		{
			graphics.clear();

			if	(ApplicationDomain.currentDomain.hasDefinition("StrobeMediaPlayback"))
			{
				var playerClass:Class = getDefinitionByName("StrobeMediaPlayback") as Class;
				var playerInstance:Object = new playerClass();
				playerInstance.initialize(parameters, stage);
				addChild(playerInstance as DisplayObject);
			}
			else
			{
				var errorText:TextField = new TextField();
				errorText.width = stage.stageWidth;
				errorText.multiline = true;
				errorText.htmlText = '<P ALIGN="CENTER"><FONT FACE="Arial" SIZE="12" COLOR="#FFFFFF" LETTERSPACING="0" KERNING="0">Error loading Flash Media Playback components!</FONT></P>';
				errorText.y = stage.stageHeight / 2 - errorText.height / 2;
				addChild(errorText);
			}
			
			nextFrame();
		}
	
		private var parameters:Object;
		private var libraryLoader:RuntimeSharedLibrariesLoader;
		
		private static const WIDTH:Number = 150;
		private static const HEIGHT:Number = 12;
	}
}