diff options
Diffstat (limited to 'src/java/com/jogamp/common')
-rwxr-xr-x | src/java/com/jogamp/common/os/DynamicLibraryBundle.java | 2 | ||||
-rw-r--r-- | src/java/com/jogamp/common/util/awt/AWTEDTExecutor.java | 110 |
2 files changed, 111 insertions, 1 deletions
diff --git a/src/java/com/jogamp/common/os/DynamicLibraryBundle.java b/src/java/com/jogamp/common/os/DynamicLibraryBundle.java index f0f1765..349106a 100755 --- a/src/java/com/jogamp/common/os/DynamicLibraryBundle.java +++ b/src/java/com/jogamp/common/os/DynamicLibraryBundle.java @@ -34,10 +34,10 @@ import java.util.HashSet; import java.util.List; import jogamp.common.Debug; -import jogamp.common.awt.AWTEDTExecutor; import com.jogamp.common.jvm.JNILibLoaderBase; import com.jogamp.common.util.RunnableExecutor; +import com.jogamp.common.util.awt.AWTEDTExecutor; /** * Provides bundling of:<br> diff --git a/src/java/com/jogamp/common/util/awt/AWTEDTExecutor.java b/src/java/com/jogamp/common/util/awt/AWTEDTExecutor.java new file mode 100644 index 0000000..a43b738 --- /dev/null +++ b/src/java/com/jogamp/common/util/awt/AWTEDTExecutor.java @@ -0,0 +1,110 @@ +/** + * Copyright 2012 JogAmp Community. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are + * permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this list of + * conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, this list + * of conditions and the following disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND + * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF + * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * The views and conclusions contained in the software and documentation are those of the + * authors and should not be interpreted as representing official policies, either expressed + * or implied, of JogAmp Community. + */ +package com.jogamp.common.util.awt; + +import java.awt.EventQueue; +import java.lang.reflect.InvocationTargetException; + +import com.jogamp.common.util.RunnableExecutor; + +/** + * AWT EDT implementation of RunnableExecutor + */ +public class AWTEDTExecutor implements RunnableExecutor { + /** {@link RunnableExecutor} implementation invoking {@link Runnable#run()} + * on the AWT EDT. + */ + public static final AWTEDTExecutor singleton = new AWTEDTExecutor(); + + private AWTEDTExecutor() {} + + @Override + public void invoke(boolean wait, Runnable r) { + if(EventQueue.isDispatchThread()) { + r.run(); + } else { + try { + if(wait) { + EventQueue.invokeAndWait(r); + } else { + EventQueue.invokeLater(r); + } + } catch (InvocationTargetException e) { + throw new RuntimeException(e.getTargetException()); + } catch (InterruptedException e) { + throw new RuntimeException(e); + } + } + } + + /** + * Executes the given runnable on the AWT-EDT and return <code>true</code>, if + * <ul> + * <li>current-thread is the AWT-EDT, <i>or</i></li> + * <li>the given tree-lock is not hold by current-thread (-> invoke on AWT-EDT)</li> + * </ul> + * <p> + * Otherwise execute the given runnable on the current-thread and return <code>true</code>, if + * <code>allowOnNonEDT</code> is <code>true</code>.<br/> + * This implies that the given tree-lock is being hold by the current-thread. + * </p> + * <p> + * Otherwise the runnable is not executed and <code>false</code> is returned. + * </p> + * + * @param treeLock representing the AWT-tree-lock, i.e. {@link java.awt.Component#getTreeLock()} + * @param allowOnNonEDT allow execution on non AWT-EDT in case current thread is not AWT-EDT and the tree-lock is being hold + * @param wait if true method waits until {@link Runnable#run()} is completed, otherwise don't wait. + * @param r the {@link Runnable} to be executed. + * @return <code>true</code> if the {@link Runnable} has been issued for execution, otherwise <code>false</code> + */ + public boolean invoke(Object treeLock, boolean allowOnNonEDT, boolean wait, Runnable r) { + if( EventQueue.isDispatchThread() ) { + r.run(); + return true; + } else if ( !Thread.holdsLock(treeLock) ) { + try { + if(wait) { + EventQueue.invokeAndWait(r); + } else { + EventQueue.invokeLater(r); + } + } catch (InvocationTargetException e) { + throw new RuntimeException(e.getTargetException()); + } catch (InterruptedException e) { + throw new RuntimeException(e); + } + return true; + } else if ( allowOnNonEDT ) { + r.run(); + return true; + } else { + return false; + } + } +} |