1 /* 2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.apple.eawt; 27 28 import com.apple.eawt.AppEvent.QuitEvent; 29 30 /** 31 * An implementor determines if requests to quit this application should proceed or cancel. 32 * 33 * @see Application#setQuitHandler(QuitHandler) 34 * @see Application#setQuitStrategy(QuitStrategy) 35 * 36 * @since Java for Mac OS X 10.6 Update 3 37 * @since Java for Mac OS X 10.5 Update 8 38 */ 39 public interface QuitHandler { 40 /** 41 * Invoked when the application is asked to quit. 42 * 43 * Implementors must call either {@link QuitResponse#cancelQuit()}, {@link QuitResponse#performQuit()}, or ensure the application terminates. 44 * The process (or log-out) requesting this app to quit will be blocked until the {@link QuitResponse} is handled. 45 * Apps that require complex UI to shutdown may call the {@link QuitResponse} from any thread. 46 * Your app may be asked to quit multiple times before you have responded to the initial request. 47 * This handler is called each time a quit is requested, and the same {@link QuitResponse} object is passed until it is handled. 48 * Once used, the {@link QuitResponse} cannot be used again to change the decision. 49 * 50 * @param e the request to quit this application. 51 * @param response the one-shot response object used to cancel or proceed with the quit action. 52 */ 53 public void handleQuitRequestWith(final QuitEvent e, final QuitResponse response); 54 }