1 files changed, 189 insertions, 0 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/GLAutoDrawableDelegate.java b/src/jogl/classes/com/jogamp/opengl/GLAutoDrawableDelegate.java
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+++ b/src/jogl/classes/com/jogamp/opengl/GLAutoDrawableDelegate.java
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+/**
+ * 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.opengl;
+
+import javax.media.nativewindow.AbstractGraphicsDevice;
+import javax.media.nativewindow.NativeSurface;
+import javax.media.nativewindow.WindowClosingProtocol;
+import javax.media.nativewindow.WindowClosingProtocol.WindowClosingMode;
+import javax.media.opengl.GLAutoDrawable;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLDrawable;
+import javax.media.opengl.GLDrawableFactory;
+import javax.media.opengl.GLException;
+
+import com.jogamp.common.util.locks.LockFactory;
+import com.jogamp.common.util.locks.RecursiveLock;
+
+import jogamp.opengl.GLAutoDrawableBase;
+import jogamp.opengl.GLContextImpl;
+import jogamp.opengl.GLDrawableImpl;
+
+
+/**
+ * Fully functional {@link GLAutoDrawable} implementation
+ * utilizing already created created {@link GLDrawable} and {@link GLContext} instances.
+ * <p>
+ * Since no native windowing system events are being processed, it is recommended
+ * to handle at least:
+ * <ul>
+ *   <li>{@link com.jogamp.newt.event.WindowListener#windowRepaint(com.jogamp.newt.event.WindowUpdateEvent) repaint} using {@link #windowRepaintOp()}</li>
+ *   <li>{@link com.jogamp.newt.event.WindowListener#windowResized(com.jogamp.newt.event.WindowEvent) resize} using {@link #windowResizedOp()}</li>
+ *   <li>{@link com.jogamp.newt.event.WindowListener#windowDestroyNotify(com.jogamp.newt.event.WindowEvent) destroy-notify}  using {@link #windowDestroyNotifyOp()}</li> 
+ * </ul> 
+ * </p>
+ * <p> 
+ * See example {@link com.jogamp.opengl.test.junit.jogl.acore.TestGLAutoDrawableDelegateNEWT TestGLAutoDrawableDelegateNEWT}.
+ * </p>
+ */
+public class GLAutoDrawableDelegate extends GLAutoDrawableBase implements GLAutoDrawable {
+    /**
+     * @param drawable a valid and already realized {@link GLDrawable}
+     * @param context a valid {@link GLContext}, may not be made current (created) yet.
+     * @param upstreamWidget optional UI element holding this instance, see {@link #getUpstreamWidget()}.
+     * @param ownDevice pass <code>true</code> if {@link AbstractGraphicsDevice#close()} shall be issued,
+     *                  otherwise pass <code>false</code>. Closing the device is required in case
+     *                  the drawable is created w/ it's own new instance, e.g. offscreen drawables,
+     *                  and no further lifecycle handling is applied.
+     * @param lock optional custom {@link RecursiveLock}.
+     */
+    public GLAutoDrawableDelegate(GLDrawable drawable, GLContext context, Object upstreamWidget, boolean ownDevice, RecursiveLock lock) {
+        super((GLDrawableImpl)drawable, (GLContextImpl)context, ownDevice);
+        if(null == drawable) {
+            throw new IllegalArgumentException("null drawable");
+        }
+        if(null == context) {
+            throw new IllegalArgumentException("null context");
+        }        
+        if(!drawable.isRealized()) {
+            throw new IllegalArgumentException("drawable not realized");
+        }
+        this.upstreamWidget = upstreamWidget;
+        this.lock = ( null != lock ) ? lock : LockFactory.createRecursiveLock() ;
+    }
+    
+    //
+    // expose default methods
+    //
+
+    /** Default implementation to handle repaint events from the windowing system */
+    public final void windowRepaintOp() {
+        super.defaultWindowRepaintOp();
+    }
+    
+    /** Implementation to handle resize events from the windowing system. All required locks are being claimed. */
+    public final void windowResizedOp(int newWidth, int newHeight) {
+        super.defaultWindowResizedOp(newWidth, newHeight);
+    }
+    
+    /** 
+     * Implementation to handle destroy notifications from the windowing system.
+     * 
+     * <p>
+     * If the {@link NativeSurface} does not implement {@link WindowClosingProtocol} 
+     * or {@link WindowClosingMode#DISPOSE_ON_CLOSE} is enabled (default),
+     * a thread safe destruction is being induced.
+     * </p> 
+     */
+    public final void windowDestroyNotifyOp() {
+        super.defaultWindowDestroyNotifyOp();
+    }
+    
+    //
+    // Complete GLAutoDrawable
+    //
+    
+    private Object upstreamWidget;
+    private final RecursiveLock lock;
+    
+    @Override
+    protected final RecursiveLock getLock() { return lock; }
+    
+    @Override
+    public final Object getUpstreamWidget() {
+        return upstreamWidget;
+    }
+    
+    /**
+     * Set the upstream UI toolkit object.
+     * @see #getUpstreamWidget()
+     */
+    public final void setUpstreamWidget(Object newUpstreamWidget) {
+        upstreamWidget = newUpstreamWidget;
+    }
+    
+    /**
+     * {@inheritDoc}
+     * <p>
+     * This implementation calls {@link #defaultDestroy()}.
+     * </p>
+     * <p>
+     * User still needs to destroy the upstream window, which details are hidden from this aspect.
+     * This can be performed by overriding {@link #destroyImplInLock()}. 
+     * </p>
+     */
+    @Override
+    public final void destroy() {
+        defaultDestroy();
+    }
+
+    @Override
+    protected void destroyImplInLock() {
+        super.destroyImplInLock();
+    }
+    
+    @Override
+    public void display() {        
+        defaultDisplay();
+    }
+    
+    //
+    // GLDrawable delegation
+    //
+    
+    @Override
+    public final GLDrawableFactory getFactory() {
+        return drawable.getFactory();
+    }
+    
+    @Override
+    public final void setRealized(boolean realized) {
+    }
+
+    @Override
+    public final void swapBuffers() throws GLException {
+         defaultSwapBuffers();
+    }
+     
+    @Override
+    public String toString() {
+        return getClass().getSimpleName()+"[ \n\tHelper: " + helper + ", \n\tDrawable: " + drawable +
+               ", \n\tContext: " + context + ", \n\tUpstreamWidget: "+upstreamWidget+ /** ", \n\tFactory: "+factory+ */ "]";
+    }    
+}