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src/java.desktop/windows/classes/sun/awt/windows/WDesktopPeer.java

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   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.Desktop.Action;




  30 import java.awt.peer.DesktopPeer;
  31 import java.io.File;
  32 import java.io.IOException;
  33 import java.net.URI;


  34 
  35 
  36 /**
  37  * Concrete implementation of the interface <code>DesktopPeer</code> for
  38  * the Windows platform.
  39  *
  40  * @see DesktopPeer
  41  */
  42 final class WDesktopPeer implements DesktopPeer {
  43     /* Contants for the operation verbs */
  44     private static String ACTION_OPEN_VERB = "open";
  45     private static String ACTION_EDIT_VERB = "edit";
  46     private static String ACTION_PRINT_VERB = "print";
  47 










  48     @Override
  49     public boolean isSupported(Action action) {
  50         // OPEN, EDIT, PRINT, MAIL, BROWSE all supported on windows.






  51         return true;





  52     }
  53 
  54     @Override
  55     public void open(File file) throws IOException {
  56         this.ShellExecute(file, ACTION_OPEN_VERB);
  57     }
  58 
  59     @Override
  60     public void edit(File file) throws IOException {
  61         this.ShellExecute(file, ACTION_EDIT_VERB);
  62     }
  63 
  64     @Override
  65     public void print(File file) throws IOException {
  66         this.ShellExecute(file, ACTION_PRINT_VERB);
  67     }
  68 
  69     @Override
  70     public void mail(URI uri) throws IOException {
  71         this.ShellExecute(uri, ACTION_OPEN_VERB);


  77     }
  78 
  79     private void ShellExecute(File file, String verb) throws IOException {
  80         String errMsg = ShellExecute(file.getAbsolutePath(), verb);
  81         if (errMsg != null) {
  82             throw new IOException("Failed to " + verb + " " + file + ". Error message: " + errMsg);
  83         }
  84     }
  85 
  86     private void ShellExecute(URI uri, String verb) throws IOException {
  87         String errmsg = ShellExecute(uri.toString(), verb);
  88 
  89         if (errmsg != null) {
  90             throw new IOException("Failed to " + verb + " " + uri
  91                     + ". Error message: " + errmsg);
  92         }
  93     }
  94 
  95     private static native String ShellExecute(String fileOrUri, String verb);
  96 















































  97 }


   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);


 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 }
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