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Bonky on 03/16/10

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Pyro Mediator for PureMVC

/ Published in: ActionScript 3

This is a PureMVC view mediator designed to interact with the Pyro video player from Turbulent Media. Must be used within the PureMVC Framework.

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package com.acme.view
{
    import flash.events.Event;
	
    import org.puremvc.as3.interfaces.*;
    import org.puremvc.as3.patterns.mediator.Mediator;

import com.acme.ApplicationFacade;
    
	import ca.turbulent.media.Pyro;
	import ca.turbulent.media.events.*
	
	import flash.events.TimerEvent;
	import flash.utils.Timer;
    /**
     * A Mediator for interacting with the Pyro Video Player.
     */
    public class PyroMediator extends Mediator implements IMediator
    {
       
        public static const NAME:String = 'PyroMediator';
		private var loadProgressTimer:Timer;
		private var playbackProgressTimer:Timer;
		private var loadProgress:Number;
		private var playbackProgress:Number;
	   /**
         * Constructor. 
         */
        public function PyroMediator( viewComponent:Object ) 
        {
            // pass the viewComponent to the superclass where 
            // it will be stored in the inherited viewComponent property
            
            super(NAME, viewComponent);
    		loadProgressTimer=new Timer(500, 999);
			loadProgressTimer.addEventListener(TimerEvent.TIMER, checkLoadProgress);
			loadProgressTimer.addEventListener(TimerEvent.TIMER_COMPLETE, function(){loadProgressTimer.reset();loadProgressTimer.start();});
			
    		playbackProgressTimer=new Timer(500, 999);
			playbackProgressTimer.addEventListener(TimerEvent.TIMER, checkPlaybackProgress);
			playbackProgressTimer.addEventListener(TimerEvent.TIMER_COMPLETE, function(){playbackProgressTimer.reset();playbackProgressTimer.start();});
			
			
			myPyro.addEventListener( CuePointEvent.CUE_POINT_RECEIVED, onCuePointEvent );
			myPyro.addEventListener( ErrorEvent.CONNECTION_ERROR, onErrorEvent );
			myPyro.addEventListener( ErrorEvent.ERROR, onErrorEvent );
			myPyro.addEventListener( ErrorEvent.FILE_NOT_FOUND_ERROR, onErrorEvent );
			myPyro.addEventListener( ErrorEvent.SECURITY_ERROR, onErrorEvent );
			myPyro.addEventListener( ImageDataEvent.IMAGE_DATA_RECEIVED, onImageDateEvent );
			myPyro.addEventListener( PyroEvent.BANDWIDTH_CHECKED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.BUFFER_EMPTY, onPyroEvent );
			myPyro.addEventListener( PyroEvent.BUFFER_FLUSH, onPyroEvent );
			myPyro.addEventListener( PyroEvent.BUFFER_FULL, onPyroEvent );
			myPyro.addEventListener( PyroEvent.BUFFER_TIME_ADJUSTED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.CLOSE_CAPTIONS_UPDATE, onPyroEvent );
			myPyro.addEventListener( PyroEvent.COMPLETED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.DISCONNECTED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.INSUFFICIENT_BANDWIDTH, onPyroEvent );
			myPyro.addEventListener( PyroEvent.METADATA_RECEIVED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.MUTED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.NEW_STREAM_INIT, onPyroEvent );
			myPyro.addEventListener( PyroEvent.PAUSED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.SEEKED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.SIZE_UPDATE, onPyroEvent );
			myPyro.addEventListener( PyroEvent.STARTED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.STOPPED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.UNMUTED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.UNPAUSED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.URL_PARSED, onPyroEvent );
			myPyro.addEventListener( PyroEvent.VOLUME_UPDATE, onPyroEvent );
			myPyro.addEventListener( PyroEvent.XMP_DATA_RECEIVED, onPyroEvent );
			myPyro.addEventListener( StatusUpdateEvent.STATUS_UPDATE, onStatusUpdateEvent );
			myPyro.addEventListener( TextDataEvent.TEXT_DATA_RECEIVED, onTextDataEvent );
			
        }

private function checkLoadProgress(e:Event):void{
			//loadProgress = myPyro.bytesLoaded / myPyro.bytesTotal;
			loadProgress = myPyro.loadRatio;;
			//playbackProgress = myPyro.progressRatio;
			//trace("loadProgress:"+loadProgress);
			sendNotification( ApplicationFacade.VIDEO_LOAD_PROGRESS,loadProgress );//goes to ControlsComponentMediator
			
			if(loadProgress==1){
				loadProgressTimer.reset();
			}
		}

private function checkPlaybackProgress(e:Event):void{
			playbackProgress = myPyro.progressRatio;
			//trace("checkPlaybackProgress:"+playbackProgress);
			sendNotification( ApplicationFacade.VIDEO_PLAYBACK_PROGRESS,playbackProgress );//goes to ControlsComponentMediator
		}

private function onCuePointEvent(e:CuePointEvent):void{
			//trace("CuePointEvent:"+(CuePointEvent(e).cuePoint)); 
		 }
		 private function onErrorEvent(e:ErrorEvent):void{
			//trace("ErrorEvent:"+(ErrorEvent(e).errorMessage)); 
		 }
		 private function onImageDateEvent(e:ImageDataEvent):void{
			//trace("ImageDataEvent:"+(ImageDataEvent(e).image)); 
		 }
		 private function onPyroEvent(e:PyroEvent):void{
			//trace("PyroEvent:"+(PyroEvent(e).eventType)); 
			switch (PyroEvent(e).eventType){
				case "streamSeekedEvent":
				break;
				case "newStreamInitEvent":
					sendNotification( ApplicationFacade.VIDEO_STREAM_INIT );//indicates buffering has started, goes to controls component to show looper
				break;
			}
		 }
		 private function onStatusUpdateEvent(e:StatusUpdateEvent):void{
			trace("StatusUpdateEvent:"+(StatusUpdateEvent(e).status)); 
			switch (StatusUpdateEvent(e).status){
				case Pyro.STATUS_PLAYING:
					sendNotification( ApplicationFacade.VIDEO_IS_PLAYING );//goes to ControlsComponentMediator
					playbackProgressTimer.start();
					break;
				case Pyro.STATUS_READY:
					sendNotification( ApplicationFacade.VIDEO_PLAYER_IS_READY );
					break;
				case Pyro.STATUS_PENDING:
					loadProgressTimer.start();
					break;
				case Pyro.STATUS_CONNECTING:
					break;
				case Pyro.STATUS_PAUSED:
					playbackProgressTimer.stop();
					sendNotification( ApplicationFacade.VIDEO_IS_PAUSED );//goes to ControlsComponentMediator
					break;
			}
			
		 }
		 private function onTextDataEvent(e:TextDataEvent):void{
			//trace("TextDataEvent:"+(TextDataEvent(e).text)); 
		 }
		 /**
         * List all notifications this Mediator is interested in.
         * <P>
         * Automatically called by the framework when the mediator
         * is registered with the view.</P>
         * 
         * @return Array the list of Nofitication names
         */
        override public function listNotificationInterests():Array 
        {
            return [ 
    	      		ApplicationFacade.PLAY_PAUSE,
    	      		ApplicationFacade.VIDEO_PAUSE,
    	      		ApplicationFacade.VIDEO_PLAY,
					ApplicationFacade.SEEK,
					ApplicationFacade.START_VIDEO_PLAYBACK,
					ApplicationFacade.VIDEO_SET_VOLUME
                   ];
        }

/**
         * Handle all notifications this Mediator is interested in.
         * <P>
         * Called by the framework when a notification is sent that
         * this mediator expressed an interest in when registered
         * (see <code>listNotificationInterests</code>.</P>
         * 
         * @param INotification a notification 
         */
        override public function handleNotification( note:INotification ):void 
        {
            switch ( note.getName() ) {
                
                case ApplicationFacade.PLAY_PAUSE://comes from ControlsComponentMediator
					//trace("pyro playPause");
					myPyro.togglePause();
                    break;
                
				case ApplicationFacade.VIDEO_PAUSE://comes from ControlsComponentMediator
					trace("pyro pause");
					myPyro.pause();
                    break;
				
				case ApplicationFacade.VIDEO_PLAY://comes from ControlsComponentMediator
					trace("pyro play");
					myPyro.play();
                    break;

case ApplicationFacade.SEEK: //comes from ControlsComponentMediator
					var t:uint = note.getBody() as uint;
					//trace("pyro seek:"+t);
					myPyro.seek(t);
                    break;

case ApplicationFacade.START_VIDEO_PLAYBACK: //comes from ApplicationMediator
					var path:String = note.getBody() as String;
					myPyro.play(path);
                    break;
					
				case ApplicationFacade.VIDEO_SET_VOLUME:
					myPyro.volume=note.getBody() as Number;
					break;
            }
        }

protected function get myPyro():Pyro
        {
            return viewComponent as Pyro;
        }

}
}

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