1 /*
2 * Copyright (c) 2005, 2014, 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 sun.awt.windows;
27
28
29 import java.awt.AppEvent;
30 import java.awt.Desktop.Action;
31 import java.awt.EventQueue;
32 import java.awt.desktop.SystemEventListener;
33 import java.awt.desktop.SystemSleepListener;
34 import java.awt.desktop.UserSessionListener;
35 import java.awt.peer.DesktopPeer;
36 import java.io.File;
37 import java.io.IOException;
38 import java.net.URI;
39 import javax.swing.event.EventListenerList;
40 import sun.awt.OSInfo;
41
42
43 /**
44 * Concrete implementation of the interface <code>DesktopPeer</code> for
45 * the Windows platform.
46 *
47 * @see DesktopPeer
48 */
49 final class WDesktopPeer implements DesktopPeer {
50 /* Contants for the operation verbs */
51 private static String ACTION_OPEN_VERB = "open";
52 private static String ACTION_EDIT_VERB = "edit";
53 private static String ACTION_PRINT_VERB = "print";
54
55 private static boolean isEventUserSessionSupported = false;
56
57 private static native void init();
58
59 WDesktopPeer() {
60 init();
61 isEventUserSessionSupported = OSInfo.getWindowsVersion()
62 .compareTo(OSInfo.WINDOWS_VISTA) >= 0;
63 }
64
65 @Override
66 public boolean isSupported(Action action) {
67 switch(action) {
68 case OPEN:
69 case EDIT:
70 case PRINT:
71 case MAIL:
72 case BROWSE:
73 case APP_EVENT_SYSTEM_SLEEP:
74 return true;
75 case APP_EVENT_USER_SESSION:
76 return isEventUserSessionSupported;
77 default:
78 return false;
79 }
80 }
81
82 @Override
83 public void open(File file) throws IOException {
84 this.ShellExecute(file, ACTION_OPEN_VERB);
85 }
86
87 @Override
88 public void edit(File file) throws IOException {
89 this.ShellExecute(file, ACTION_EDIT_VERB);
90 }
91
92 @Override
93 public void print(File file) throws IOException {
94 this.ShellExecute(file, ACTION_PRINT_VERB);
95 }
96
97 @Override
98 public void mail(URI uri) throws IOException {
99 this.ShellExecute(uri, ACTION_OPEN_VERB);
100 }
101
102 @Override
103 public void browse(URI uri) throws IOException {
104 this.ShellExecute(uri, ACTION_OPEN_VERB);
105 }
106
107 private void ShellExecute(File file, String verb) throws IOException {
108 String errMsg = ShellExecute(file.getAbsolutePath(), verb);
109 if (errMsg != null) {
110 throw new IOException("Failed to " + verb + " " + file + ". Error message: " + errMsg);
111 }
112 }
113
114 private void ShellExecute(URI uri, String verb) throws IOException {
115 String errmsg = ShellExecute(uri.toString(), verb);
116
117 if (errmsg != null) {
118 throw new IOException("Failed to " + verb + " " + uri
119 + ". Error message: " + errmsg);
120 }
121 }
122
123 private static native String ShellExecute(String fileOrUri, String verb);
124
125 private static final EventListenerList listenerList = new EventListenerList();
126
127 @Override
128 public void addAppEventListener(final SystemEventListener listener) {
129 if (listener instanceof UserSessionListener) {
130 listenerList.add(UserSessionListener.class, (UserSessionListener) listener);
131 }
132 if (listener instanceof SystemSleepListener) {
133 listenerList.add(SystemSleepListener.class, (SystemSleepListener) listener);
134 }
135 }
136
137 @Override
138 public void removeAppEventListener(final SystemEventListener listener) {
139 if (listener instanceof UserSessionListener) {
140 listenerList.remove(UserSessionListener.class, (UserSessionListener) listener);
141 }
142 if (listener instanceof SystemSleepListener) {
143 listenerList.remove(SystemSleepListener.class, (SystemSleepListener) listener);
144 }
145 }
146
147 private static void userSessionCallback(boolean activated) {
148 UserSessionListener[] listeners = listenerList.getListeners(UserSessionListener.class);
149 for (UserSessionListener use : listeners) {
150 EventQueue.invokeLater(() -> {
151 if (activated) {
152 use.userSessionActivated(new AppEvent.UserSessionEvent());
153 } else {
154 use.userSessionDeactivated(new AppEvent.UserSessionEvent());
155 }
156 });
157 }
158 }
159
160 private static void systemSleepCallback(boolean resumed) {
161 SystemSleepListener[] listeners = listenerList.getListeners(SystemSleepListener.class);
162 for (SystemSleepListener ssl : listeners) {
163 EventQueue.invokeLater(() -> {
164 if (resumed) {
165 ssl.systemAwoke(new AppEvent.SystemSleepEvent());
166 } else {
167 ssl.systemAboutToSleep(new AppEvent.SystemSleepEvent());
168 }
169 });
170 }
171 }
172 }