import java.applet.Applet;

import java.awt.Component;

import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;

/**
 * Tests listener events on parent. This applet should
 * be notified of all events on the parent, if it has
 * a corresponding listener attached.
 * 
 * @author langel at redhat dot com
 */
public class TestAppletListeners
    extends Applet
    implements ComponentListener
{
  boolean compShown;
  
    public void init()
    {
      addComponentListener(this);
      triggerEvent();
    }

    void triggerEvent()
    {      
      Component p = getParent();
      if (p != null)
        {
          dispatchEvent(new ComponentEvent(p, ComponentEvent.COMPONENT_SHOWN));
          if (!compShown)
            System.err.println("componentShown not called!");
        }
    }
    
    ///////////////////////////////////
    /// ComponentListener Methods /////
    ///////////////////////////////////
    
    /**
     * This method is called when the component is resized.
     *
     * @param event the <code>ComponentEvent</code> indicating the resize
     */
    public void componentResized(ComponentEvent event)
    {
    }

    /**
     * This method is called when the component is moved.
     *
     * @param event the <code>ComponentEvent</code> indicating the move
     */
    public void componentMoved(ComponentEvent event)
    {
    }

    /**
     * This method is called when the component is made visible.
     *
     * @param event the <code>ComponentEvent</code> indicating the visibility
     */
    public void componentShown(ComponentEvent event)
    {
      compShown = true;
    }

    /**
     * This method is called when the component is hidden.
     *
     * @param event the <code>ComponentEvent</code> indicating the visibility
     */
    public void componentHidden(ComponentEvent event)
    {
    }
}