NativeAnimationProcessor.java

package com.drawbridge.dm.animation;

import java.util.LinkedList;
import java.util.Queue;

import com.drawbridge.jsengine.jsobjects.JSNativeFunction;
import com.drawbridge.utils.Utils;

public class NativeAnimationProcessor extends Thread
{

	// Is essentially just a smart worker that has queue properties. 
	// It processes everything as soon as possible. 
	private final Queue<NativeAnimationTween> mTweenStack;
	private boolean allowedToProcess = true;
	
	public NativeAnimationProcessor(){
		mTweenStack = new LinkedList<NativeAnimationTween>();
	}
	
	public void add(NativeAnimationTween tween){
		synchronized(mTweenStack){
			mTweenStack.add(tween);
		}
	}
	
	@Override
	public void run(){
		NativeAnimationTween nat = null;
		while(allowedToProcess){
			try{
				Runnable work = null;
				
				synchronized(mTweenStack){
					while(mTweenStack.isEmpty())
						mTweenStack.wait();
					
					nat = mTweenStack.remove();
					if(nat != null)
						work = nat.getTween();
					
				}
				Utils.out.println(this.getClass(),"Nat: Processing");
				work.run();
				JSNativeFunction.tweenProcessingCallback();
			}
			catch(InterruptedException e){
				break; 
			}
		}
		if(nat != null) 
			nat.stopTween();
	}

	public void stopAnimation()
	{
		allowedToProcess = false;
	}
	
}