/* HierarchyListener.java -- listens to changes in the component hierarchy
   Copyright (C) 2000, 2002 Free Software Foundation

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
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As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
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package java.awt.event;

import java.util.EventListener;

/**
 * This listens for changes in the hierarchy tree of components. Normally it is
 * not necessary to process these events since the AWT handles them
 * internally, taking all appropriate actions.
 *
 * @author Bryce McKinlay
 * @see HierarchyEvent
 * @since 1.3
 * @status updated to 1.4
 */
public interface HierarchyListener extends EventListener
{
  /**
   * Called when the hierarchy of this component changes. Use
   * <code>getChangeFlags()</code> on the event to see what exactly changed.
   *
   * @param e the event describing the change
   */
  void hierarchyChanged(HierarchyEvent e);
} // interface HierarchyListener