/*
* Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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*/
package java.awt.event;
import java.util.EventListener;
/**
* The listener interface for receiving window state events.
* <p>
* The class that is interested in processing a window state event
* either implements this interface (and all the methods it contains)
* or extends the abstract <code>WindowAdapter</code> class
* (overriding only the methods of interest).
* <p>
* The listener object created from that class is then registered with
* a window using the <code>Window</code>'s
* <code>addWindowStateListener</code> method. When the window's
* state changes by virtue of being iconified, maximized etc., the
* <code>windowStateChanged</code> method in the listener object is
* invoked, and the <code>WindowEvent</code> is passed to it.
*
* @see java.awt.event.WindowAdapter
* @see java.awt.event.WindowEvent
*
* @since 1.4
*/
public interface WindowStateListener extends EventListener {
/**
* Invoked when window state is changed.
*/
public void windowStateChanged(WindowEvent e);
}