2362N/A * Copyright (c) 2000, 2006, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * The listener interface for receiving <code>WindowEvents</code>, including 0N/A * <code>WINDOW_GAINED_FOCUS</code> and <code>WINDOW_LOST_FOCUS</code> events. 0N/A * The class that is interested in processing a <code>WindowEvent</code> 0N/A * either implements this interface (and 0N/A * all the methods it contains) or extends the abstract 0N/A * <code>WindowAdapter</code> class (overriding only the methods of interest). 0N/A * The listener object created from that class is then registered with a 0N/A * <code>Window</code> 0N/A * using the <code>Window</code>'s <code>addWindowFocusListener</code> method. 0N/A * When the <code>Window</code>'s 0N/A * status changes by virtue of it being opened, closed, activated, deactivated, 0N/A * iconified, or deiconified, or by focus being transfered into or out of the 0N/A * <code>Window</code>, the relevant method in the listener object is invoked, 0N/A * and the <code>WindowEvent</code> is passed to it. 0N/A * @author David Mendenhall 0N/A * @see WindowAdapter 0N/A * Invoked when the Window is set to be the focused Window, which means 0N/A * that the Window, or one of its subcomponents, will receive keyboard 0N/A * Invoked when the Window is no longer the focused Window, which means 0N/A * that keyboard events will no longer be delivered to the Window or any of 0N/A * its subcomponents.