View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.log4j.chainsaw.osx;
18  
19  import org.apache.log4j.Logger;
20  import org.apache.log4j.chainsaw.LogUI;
21  
22  import java.awt.Desktop;
23  
24  
25  /**
26   * This class leverages the 'Desktop' awt API in order to follow Mac-specific UI guidelines.
27   * <p>
28   *
29   * @author psmith
30   * @see "http://developer.apple.com/documentation/Java/index.html"
31   */
32  public class OSXIntegration {
33      public static final boolean IS_OSX = System.getProperty("os.name").startsWith("Mac OS X");
34      private static final Desktop desktop = Desktop.getDesktop();
35  
36      public static final void init(final LogUI logUI) {
37          if( desktop.isSupported(Desktop.Action.APP_ABOUT) ){
38              desktop.setAboutHandler(e ->
39                  logUI.showAboutBox()
40              );
41          }
42  
43          if( desktop.isSupported(Desktop.Action.APP_PREFERENCES) ){
44              desktop.setPreferencesHandler(e ->
45                  logUI.showApplicationPreferences()
46              );
47          }
48  
49          if( desktop.isSupported(Desktop.Action.APP_QUIT_HANDLER) ){
50              desktop.setQuitHandler((e, r) -> {
51                      if (
52                          logUI.exit()) {
53                          r.performQuit();
54                      } else {
55                          r.cancelQuit();
56                      }
57                  }
58              );
59          }
60      }
61  }