package org.ximtec.igesture.io.tuio.handler;
   
   import java.util.Vector;
   
   import org.ximtec.igesture.io.tuio.TuioListener;
   import org.ximtec.igesture.io.tuio.TuioTime;
   
   import com.illposed.osc.OSCMessage;
   
  public abstract class AbstractTuioHandler {
  	
  	protected long currentFrame = 0;
  	/** List of listeners */
  	protected Vector<TuioListener> listenerList = new Vector<TuioListener>();
  	
  	/**
  	 * Handle a TUIO message
  	 * 
  	 * @param message	The message to process.
  	 * @param currentTime
  	 */
  	abstract public void acceptMessage(OSCMessage message, TuioTime currentTime);
  
  	/**
  	 * Adds the provided TuioListener to the list of registered TUIO event listeners
  	 *
  	 * @param  listener  the TuioListener to add
  	 */
  	public void addTuioListener(TuioListener listener)
  	{
  		listenerList.addElement(listener);
  	}
  	
  	/**
  	 * Removes the provided TuioListener from the list of registered TUIO event listeners
  	 *
  	 * @param  listener  the TuioListener to remove
  	 */
  	public void removeTuioListener(TuioListener listener)
  	{
  		listenerList.removeElement(listener);	
  	}
  	
  	/**
  	 * Removes all TuioListener from the list of registered TUIO event listeners
  	 */
  	public void removeAllTuioListeners()
  	{
  		listenerList.clear();
  	}
  
  }