1/*
2 * Copyright (c) 2011, 2017, 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
26package com.apple.eawt;
27
28import java.awt.desktop.QuitEvent;
29import java.awt.desktop.QuitHandler;
30import java.awt.desktop.QuitResponse;
31import java.awt.desktop.QuitStrategy;
32
33/**
34 * Used to respond to a request to quit the application.
35 * The QuitResponse may be used after the {@link QuitHandler#handleQuitRequestWith(QuitEvent, QuitResponse)} method has returned, and may be used from any thread.
36 *
37 * @see Application#setQuitHandler(QuitHandler)
38 * @see QuitHandler
39 * @see Application#setQuitStrategy(QuitStrategy)
40 *
41 * @since Java for Mac OS X 10.6 Update 3
42 * @since Java for Mac OS X 10.5 Update 8
43 */
44public class MacQuitResponse implements QuitResponse {
45    final _AppEventHandler appEventHandler;
46
47    MacQuitResponse(final _AppEventHandler appEventHandler) {
48        this.appEventHandler = appEventHandler;
49    }
50
51    /**
52     * Notifies the external quit requester that the quit will proceed, and performs the default {@link QuitStrategy}.
53     */
54    @Override
55    public void performQuit() {
56        if (appEventHandler.currentQuitResponse != this) return;
57        appEventHandler.performQuit();
58    }
59
60    /**
61     * Notifies the external quit requester that the user has explicitly canceled the pending quit, and leaves the application running.
62     * <b>Note: this will cancel a pending log-out, restart, or shutdown.</b>
63     */
64    @Override
65    public void cancelQuit() {
66        if (appEventHandler.currentQuitResponse != this) return;
67        appEventHandler.cancelQuit();
68    }
69}
70