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 MOVE_TO_TRASH: 74 case APP_EVENT_SYSTEM_SLEEP: 75 return true; 76 case APP_EVENT_USER_SESSION: 77 return isEventUserSessionSupported; 78 default: 79 return false; 80 } 81 } 82 83 @Override 84 public void open(File file) throws IOException { 85 this.ShellExecute(file, ACTION_OPEN_VERB); 86 } 87 88 @Override 89 public void edit(File file) throws IOException { 90 this.ShellExecute(file, ACTION_EDIT_VERB); 91 } 92 93 @Override 94 public void print(File file) throws IOException { 95 this.ShellExecute(file, ACTION_PRINT_VERB); 96 } 97 98 @Override 99 public void mail(URI uri) throws IOException { 100 this.ShellExecute(uri, ACTION_OPEN_VERB); 101 } 102 103 @Override 104 public void browse(URI uri) throws IOException { 105 this.ShellExecute(uri, ACTION_OPEN_VERB); 106 } 107 108 private void ShellExecute(File file, String verb) throws IOException { 109 String errMsg = ShellExecute(file.getAbsolutePath(), verb); 110 if (errMsg != null) { 111 throw new IOException("Failed to " + verb + " " + file + ". Error message: " + errMsg); 112 } 113 } 114 115 private void ShellExecute(URI uri, String verb) throws IOException { 116 String errmsg = ShellExecute(uri.toString(), verb); 117 118 if (errmsg != null) { 119 throw new IOException("Failed to " + verb + " " + uri 120 + ". Error message: " + errmsg); 121 } 122 } 123 124 private static native String ShellExecute(String fileOrUri, String verb); 125 126 private static final EventListenerList listenerList = new EventListenerList(); 127 128 @Override 129 public void addAppEventListener(final SystemEventListener listener) { 130 if (listener instanceof UserSessionListener) { 131 listenerList.add(UserSessionListener.class, (UserSessionListener) listener); 132 } 133 if (listener instanceof SystemSleepListener) { 134 listenerList.add(SystemSleepListener.class, (SystemSleepListener) listener); 135 } 136 } 137 138 @Override 139 public void removeAppEventListener(final SystemEventListener listener) { 140 if (listener instanceof UserSessionListener) { 141 listenerList.remove(UserSessionListener.class, (UserSessionListener) listener); 142 } 143 if (listener instanceof SystemSleepListener) { 144 listenerList.remove(SystemSleepListener.class, (SystemSleepListener) listener); 145 } 146 } 147 148 private static void userSessionCallback(boolean activated) { 149 UserSessionListener[] listeners = listenerList.getListeners(UserSessionListener.class); 150 for (UserSessionListener use : listeners) { 151 EventQueue.invokeLater(() -> { 152 if (activated) { 153 use.userSessionActivated(new AppEvent.UserSessionEvent()); 154 } else { 155 use.userSessionDeactivated(new AppEvent.UserSessionEvent()); 156 } 157 }); 158 } 159 } 160 161 private static void systemSleepCallback(boolean resumed) { 162 SystemSleepListener[] listeners = listenerList.getListeners(SystemSleepListener.class); 163 for (SystemSleepListener ssl : listeners) { 164 EventQueue.invokeLater(() -> { 165 if (resumed) { 166 ssl.systemAwoke(new AppEvent.SystemSleepEvent()); 167 } else { 168 ssl.systemAboutToSleep(new AppEvent.SystemSleepEvent()); 169 } 170 }); 171 } 172 } 173 174 @Override 175 public boolean moveToTrash(File file) { 176 return moveToTrash(file.getAbsolutePath()); 177 } 178 private static native boolean moveToTrash(String file); 179 180 }