001 /* HierarchyBoundsListener.java -- listens to bounds changes of parents
002 Copyright (C) 2000, 2002 Free Software Foundation
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
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014 General Public License for more details.
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019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
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031 independent module, the terms and conditions of the license of that
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033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package java.awt.event;
040
041 import java.util.EventListener;
042
043 /**
044 * This listens for changes in an ancestors size or location. Normally it is
045 * not necessary to process these events since the AWT handles them
046 * internally, taking all appropriate actions. To watch a subset of these
047 * events, use a HierarchyBoundsAdapter.
048 *
049 * @author Bryce McKinlay
050 * @see HierarchyBoundsAdapter
051 * @see HierarchyEvent
052 * @since 1.3
053 * @status updated to 1.4
054 */
055 public interface HierarchyBoundsListener extends EventListener
056 {
057 /**
058 * Called when an ancestor component of the source is moved.
059 *
060 * @param e the event describing the ancestor's motion
061 */
062 void ancestorMoved(HierarchyEvent e);
063
064 /**
065 * Called when an ancestor component is resized.
066 *
067 * @param e the event describing the ancestor's resizing
068 */
069 void ancestorResized(HierarchyEvent e);
070 } // interface HierarchyBoundsListener