src/macosx/classes/sun/lwawt/macosx/CToolkitThreadBlockedHandler.java

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   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.lwawt.macosx;
  27 

  28 import sun.awt.datatransfer.ToolkitThreadBlockedHandler;
  29 
  30 final class CToolkitThreadBlockedHandler implements ToolkitThreadBlockedHandler {
  31     private final LWCToolkit toolkit =
  32             java.awt.Toolkit.getDefaultToolkit() instanceof LWCToolkit
  33                     ? (LWCToolkit)java.awt.Toolkit.getDefaultToolkit()
  34                     : null;
  35 
  36     public void lock() {
  37     }
  38 
  39     public void unlock() {
  40     }
  41 
  42     protected boolean isOwned() {
  43        return false;
  44     }
  45 
  46     public void enter() {
  47         // Despite the naming of this method, on MacOS only one
  48         // event is read and dispatched before this method returns.
  49         // This call is non-blocking and does not wait for an event
  50         if (toolkit != null) {
  51             toolkit.startNativeNestedEventLoop();
  52         }




  53     }
  54 
  55     public void exit() {





  56     }
  57 }


   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.lwawt.macosx;
  27 
  28 import sun.awt.Mutex;
  29 import sun.awt.datatransfer.ToolkitThreadBlockedHandler;
  30 
  31 final class CToolkitThreadBlockedHandler extends Mutex implements ToolkitThreadBlockedHandler {
  32     private long awtRunLoopMediator = 0;
  33     private final boolean processEvents;
  34 
  35     CToolkitThreadBlockedHandler() {
  36         super();
  37         this.processEvents = true;







  38     }
  39 
  40     public void enter() {
  41         if (!isOwned()) {
  42             throw new IllegalMonitorStateException();



  43         }
  44         awtRunLoopMediator = LWCToolkit.createAWTRunLoopMediator();
  45         unlock();
  46         LWCToolkit.doAWTRunLoop(awtRunLoopMediator, processEvents);
  47         lock();
  48     }
  49 
  50     public void exit() {
  51         if (!isOwned()) {
  52             throw new IllegalMonitorStateException();
  53         }
  54         LWCToolkit.stopAWTRunLoop(awtRunLoopMediator);
  55         awtRunLoopMediator = 0;
  56     }
  57 }