8006406: lightweight embedding in other Java UI toolkits

Reviewed-by: serb, anthony, art

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

@@ -439,7 +439,7 @@ public abstract class LWComponentPeer<T extends Component, D extends JComponent>
     }
 
     @Override
-    public final Graphics getGraphics() {
+    public Graphics getGraphics() {
         final Graphics g = getOnscreenGraphics();
         if (g != null) {
             synchronized (getPeerTreeLock()){

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

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.lwawt;
+
+import java.awt.Graphics;
+import java.awt.Insets;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Window;
+import java.awt.dnd.DropTarget;
+
+import sun.awt.CausedFocusEvent;
+import sun.awt.LightweightFrame;
+
+public class LWLightweightFramePeer extends LWWindowPeer {
+
+    public LWLightweightFramePeer(LightweightFrame target,
+                                  PlatformComponent platformComponent,
+                                  PlatformWindow platformWindow)
+    {
+        super(target, platformComponent, platformWindow, LWWindowPeer.PeerType.LW_FRAME);
+    }
+
+    private LightweightFrame getLwTarget() {
+        return (LightweightFrame)getTarget();
+    }
+
+    @Override
+    public Graphics getGraphics() {
+        return getLwTarget().getGraphics();
+    }
+
+    @Override
+    protected void setVisibleImpl(final boolean visible) {
+    }
+
+    @Override
+    public boolean requestWindowFocus(CausedFocusEvent.Cause cause) {
+        if (!focusAllowedFor()) {
+            return false;
+        }
+        if (getPlatformWindow().rejectFocusRequest(cause)) {
+            return false;
+        }
+
+        Window opposite = LWKeyboardFocusManagerPeer.getInstance().
+            getCurrentFocusedWindow();
+
+        changeFocusedWindow(true, opposite);
+
+        return true;
+    }
+
+    @Override
+    public Point getLocationOnScreen() {
+        Rectangle bounds = getBounds();
+        return new Point(bounds.x, bounds.y); // todo
+    }
+
+    @Override
+    public Insets getInsets() {
+        return new Insets(0, 0, 0, 0);
+    }
+
+    @Override
+    public void setBounds(int x, int y, int w, int h, int op) {
+        setBounds(x, y, w, h, op, true, false);
+    }
+
+    @Override
+    public void updateCursorImmediately() {
+        // TODO: tries to switch to the awt/fx toolkit thread and causes a deadlock on macosx
+    }
+
+    @Override
+    public void addDropTarget(DropTarget dt) {
+    }
+
+    @Override
+    public void removeDropTarget(DropTarget dt) {
+    }
+
+    @Override
+    public void grab() {
+        getLwTarget().grabFocus();
+    }
+
+    @Override
+    public void ungrab() {
+        getLwTarget().ungrabFocus();
+    }
+}

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

@@ -218,6 +218,23 @@ public abstract class LWToolkit extends SunToolkit implements Runnable {
         return peer;
     }
 
+    private LWLightweightFramePeer createDelegatedLwPeer(LightweightFrame target,
+                                                         PlatformComponent platformComponent,
+                                                         PlatformWindow platformWindow)
+    {
+        LWLightweightFramePeer peer = new LWLightweightFramePeer(target, platformComponent, platformWindow);
+        targetCreatedPeer(target, peer);
+        peer.initialize();
+        return peer;
+    }
+
+    @Override
+    public FramePeer createLightweightFrame(LightweightFrame target) {
+        PlatformComponent platformComponent = createLwPlatformComponent();
+        PlatformWindow platformWindow = createPlatformWindow(LWWindowPeer.PeerType.LW_FRAME);
+        return createDelegatedLwPeer(target, platformComponent, platformWindow);
+    }
+
     @Override
     public WindowPeer createWindow(Window target) {
         PlatformComponent platformComponent = createPlatformComponent();
@@ -502,6 +519,8 @@ public abstract class LWToolkit extends SunToolkit implements Runnable {
 
     protected abstract PlatformComponent createPlatformComponent();
 
+    protected abstract PlatformComponent createLwPlatformComponent();
+
     protected abstract FileDialogPeer createFileDialogPeer(FileDialog target);
 
     // ---- UTILITY METHODS ---- //

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

@@ -48,7 +48,8 @@ public class LWWindowPeer
         FRAME,
         DIALOG,
         EMBEDDED_FRAME,
-        VIEW_EMBEDDED_FRAME
+        VIEW_EMBEDDED_FRAME,
+        LW_FRAME
     }
 
     private static final PlatformLogger focusLog = PlatformLogger.getLogger("sun.lwawt.focus.LWWindowPeer");
@@ -1090,7 +1091,7 @@ public class LWWindowPeer
         return platformWindow.requestWindowFocus();
     }
 
-    private boolean focusAllowedFor() {
+    protected boolean focusAllowedFor() {
         Window window = getTarget();
         // TODO: check if modal blocked
         return window.isVisible() && window.isEnabled() && isFocusableWindow();
@@ -1113,10 +1114,15 @@ public class LWWindowPeer
         return !(window instanceof Dialog || window instanceof Frame);
     }
 
+    @Override
+    public void emulateActivation(boolean activate) {
+        changeFocusedWindow(activate, null);
+    }
+
     /*
      * Changes focused window on java level.
      */
-    private void changeFocusedWindow(boolean becomesFocused, Window opposite) {
+    protected void changeFocusedWindow(boolean becomesFocused, Window opposite) {
         if (focusLog.isLoggable(PlatformLogger.FINE)) {
             focusLog.fine((becomesFocused?"gaining":"loosing") + " focus window: " + this);
         }

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

@@ -35,7 +35,7 @@ import sun.lwawt.PlatformWindow;
  * On OSX {@code CPlatformComponent} stores pointer to the native CAlayer which
  * can be used from JAWT.
  */
-final class CPlatformComponent extends CFRetainedResource
+class CPlatformComponent extends CFRetainedResource
         implements PlatformComponent {
 
     private volatile PlatformWindow platformWindow;

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

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+
+package sun.lwawt.macosx;
+
+import sun.lwawt.PlatformWindow;
+
+class CPlatformLWComponent extends CPlatformComponent {
+
+    CPlatformLWComponent() {
+        super();
+    }
+
+    @Override
+    public long getPointer() {
+        return 0;
+    }
+
+    @Override
+    public void initialize(final PlatformWindow platformWindow) {
+    }
+
+    @Override
+    public void setBounds(final int x, final int y, final int w, final int h) {
+    }
+
+    @Override
+    public void dispose() {
+    }
+}

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

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.lwawt.macosx;
+
+import sun.lwawt.LWWindowPeer;
+import sun.java2d.SurfaceData;
+
+public class CPlatformLWView extends CPlatformView {
+
+    public CPlatformLWView() {
+        super();
+    }
+
+    @Override
+    public void initialize(LWWindowPeer peer, CPlatformResponder responder) {
+        initializeBase(peer, responder);
+    }
+
+    @Override
+    public long getAWTView() {
+        return 0;
+    }
+
+    @Override
+    public boolean isOpaque() {
+        return true;
+    }
+
+    @Override
+    public void setBounds(int x, int y, int width, int height) {
+    }
+
+    @Override
+    public void enterFullScreenMode() {
+    }
+
+    @Override
+    public void exitFullScreenMode() {
+    }
+
+    @Override
+    public SurfaceData replaceSurfaceData() {
+        return null;
+    }
+
+    @Override
+    public SurfaceData getSurfaceData() {
+        return null;
+    }
+
+    @Override
+    public void dispose() {
+    }
+
+    @Override
+    public long getWindowLayerPtr() {
+        return 0;
+    }
+}

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

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.lwawt.macosx;
+
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics;
+import java.awt.GraphicsDevice;
+import java.awt.Insets;
+import java.awt.MenuBar;
+import java.awt.Point;
+import java.awt.Window;
+import sun.awt.CausedFocusEvent;
+import sun.java2d.SurfaceData;
+import sun.lwawt.LWWindowPeer;
+import sun.lwawt.PlatformWindow;
+
+public class CPlatformLWWindow extends CPlatformWindow {
+
+    @Override
+    public void initialize(Window target, LWWindowPeer peer, PlatformWindow owner) {
+        initializeBase(target, peer, owner, new CPlatformLWView());
+    }
+
+    @Override
+    public void toggleFullScreen() {
+    }
+
+    @Override
+    public void setMenuBar(MenuBar mb) {
+    }
+
+    @Override
+    public void dispose() {
+    }
+
+    @Override
+    public FontMetrics getFontMetrics(Font f) {
+        return null;
+    }
+
+    @Override
+    public Insets getInsets() {
+        return new Insets(0, 0, 0, 0);
+    }
+
+    @Override
+    public Point getLocationOnScreen() {
+        return null;
+    }
+
+    @Override
+    public GraphicsDevice getGraphicsDevice() {
+        return null;
+    }
+
+    @Override
+    public SurfaceData getScreenSurface() {
+        return null;
+    }
+
+    @Override
+    public SurfaceData replaceSurfaceData() {
+        return null;
+    }
+
+    @Override
+    public void setBounds(int x, int y, int w, int h) {
+        if (getPeer() != null) {
+            getPeer().notifyReshape(x, y, w, h);
+        }
+    }
+
+    @Override
+    public void setVisible(boolean visible) {
+    }
+
+    @Override
+    public void setTitle(String title) {
+    }
+
+    @Override
+    public void updateIconImages() {
+    }
+
+    @Override
+    public long getNSWindowPtr() {
+        return 0;
+    }
+
+    @Override
+    public SurfaceData getSurfaceData() {
+        return null;
+    }
+
+    @Override
+    public void toBack() {
+    }
+
+    @Override
+    public void toFront() {
+    }
+
+    @Override
+    public void setResizable(final boolean resizable) {
+    }
+
+    @Override
+    public void setSizeConstraints(int minW, int minH, int maxW, int maxH) {
+    }
+
+    @Override
+    public boolean rejectFocusRequest(CausedFocusEvent.Cause cause) {
+        return false;
+    }
+
+    @Override
+    public boolean requestWindowFocus() {
+        return true;
+    }
+
+    @Override
+    public boolean isActive() {
+        return true;
+    }
+
+    @Override
+    public void updateFocusableWindowState() {
+    }
+
+    @Override
+    public Graphics transformGraphics(Graphics g) {
+        return null;
+    }
+
+    @Override
+    public void setAlwaysOnTop(boolean isAlwaysOnTop) {
+    }
+
+    @Override
+    public PlatformWindow getTopmostPlatformWindowUnderMouse(){
+        return null;
+    }
+
+    @Override
+    public void setOpacity(float opacity) {
+    }
+
+    @Override
+    public void setOpaque(boolean isOpaque) {
+    }
+
+    @Override
+    public void enterFullScreenMode() {
+    }
+
+    @Override
+    public void exitFullScreenMode() {
+    }
+
+    @Override
+    public void setWindowState(int windowState) {
+    }
+
+    @Override
+    public LWWindowPeer getPeer() {
+        return super.getPeer();
+    }
+
+    @Override
+    public CPlatformView getContentView() {
+        return super.getContentView();
+    }
+
+    @Override
+    public long getLayerPtr() {
+        return 0;
+    }
+}

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

@@ -54,8 +54,7 @@ public class CPlatformView extends CFRetainedResource {
     }
 
     public void initialize(LWWindowPeer peer, CPlatformResponder responder) {
-        this.peer = peer;
-        this.responder = responder;
+        initializeBase(peer, responder);
 
         if (!LWCToolkit.getSunAwtDisableCALayers()) {
             this.windowLayer = new CGLLayer(peer);
@@ -63,6 +62,11 @@ public class CPlatformView extends CFRetainedResource {
         setPtr(nativeCreateView(0, 0, 0, 0, getWindowLayerPtr()));
     }
 
+    protected void initializeBase(LWWindowPeer peer, CPlatformResponder responder) {
+        this.peer = peer;
+        this.responder = responder;
+    }
+
     public long getAWTView() {
         return ptr;
         }

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

@@ -44,7 +44,7 @@ import com.apple.laf.*;
 import com.apple.laf.ClientPropertyApplicator.Property;
 import com.sun.awt.AWTUtilities;
 
-public final class CPlatformWindow extends CFRetainedResource implements PlatformWindow {
+public class CPlatformWindow extends CFRetainedResource implements PlatformWindow {
     private native long nativeCreateNSWindow(long nsViewPtr, long styleBits, double x, double y, double w, double h);
     private static native void nativeSetNSWindowStyleBits(long nsWindowPtr, int mask, int data);
     private static native void nativeSetNSWindowMenuBar(long nsWindowPtr, long menuBarPtr);
@@ -218,11 +218,7 @@ public final class CPlatformWindow extends CFRetainedResource implements Platfor
      */
     @Override // PlatformWindow
     public void initialize(Window _target, LWWindowPeer _peer, PlatformWindow _owner) {
-        this.peer = _peer;
-        this.target = _target;
-        if (_owner instanceof CPlatformWindow) {
-            this.owner = (CPlatformWindow)_owner;
-        }
+        initializeBase(_target, _peer, _owner, new CPlatformView());
 
         final int styleBits = getInitialStyleBits();
 
@@ -231,7 +227,6 @@ public final class CPlatformWindow extends CFRetainedResource implements Platfor
         String warningString = target.getWarningString();
 
         responder = new CPlatformResponder(peer, false);
-        contentView = new CPlatformView();
         contentView.initialize(peer, responder);
 
         final long nativeWindowPtr = nativeCreateNSWindow(contentView.getAWTView(), styleBits, 0, 0, 0, 0);
@@ -253,6 +248,15 @@ public final class CPlatformWindow extends CFRetainedResource implements Platfor
         validateSurface();
     }
 
+    protected void initializeBase(Window target, LWWindowPeer peer, PlatformWindow owner, CPlatformView view) {
+        this.peer = peer;
+        this.target = target;
+        if (owner instanceof CPlatformWindow) {
+            this.owner = (CPlatformWindow)owner;
+        }
+        this.contentView = view;
+    }
+
     private int getInitialStyleBits() {
         // defaults style bits
         int styleBits = DECORATED | HAS_SHADOW | CLOSEABLE | MINIMIZABLE | ZOOMABLE | RESIZABLE;

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

@@ -160,6 +160,8 @@ public final class LWCToolkit extends LWToolkit {
             return new CPlatformEmbeddedFrame();
         } else if (peerType == PeerType.VIEW_EMBEDDED_FRAME) {
             return new CViewPlatformEmbeddedFrame();
+        } else if (peerType == PeerType.LW_FRAME) {
+            return new CPlatformLWWindow();
         } else {
             assert (peerType == PeerType.SIMPLEWINDOW || peerType == PeerType.DIALOG || peerType == PeerType.FRAME);
             return new CPlatformWindow();
@@ -171,6 +173,11 @@ public final class LWCToolkit extends LWToolkit {
         return new CPlatformComponent();
     }
 
+    @Override
+    protected PlatformComponent createLwPlatformComponent() {
+        return new CPlatformLWComponent();
+    }
+
     @Override
     protected FileDialogPeer createFileDialogPeer(FileDialog target) {
         return new CFileDialog(target);

src/share/classes/java/awt/peer/FramePeer.java

@@ -125,4 +125,10 @@ public interface FramePeer extends WindowPeer {
     // into an EmbeddedFramePeer which would extend FramePeer
     Rectangle getBoundsPrivate();
 
+    /**
+     * Requests the peer to emulate window activation.
+     *
+     * @param activate activate or deactivate the window
+     */
+    void emulateActivation(boolean activate);
 }

src/share/classes/java/awt/peer/WindowPeer.java

@@ -27,8 +27,6 @@ package java.awt.peer;
 
 import java.awt.*;
 
-import java.awt.image.BufferedImage;
-
 /**
  * The peer interface for {@link Window}.
  *

src/share/classes/sun/awt/EmbeddedFrame.java

@@ -582,5 +582,8 @@ public abstract class EmbeddedFrame extends Frame
 
         public void repositionSecurityWarning() {
         }
+
+        public void emulateActivation(boolean activate) {
+        }
     }
 } // class EmbeddedFrame

src/share/classes/sun/awt/HToolkit.java

@@ -64,6 +64,11 @@ public class HToolkit extends SunToolkit
         throw new HeadlessException();
     }
 
+    public FramePeer createLightweightFrame(LightweightFrame target)
+        throws HeadlessException {
+        throw new HeadlessException();
+    }
+
     public FramePeer createFrame(Frame target)
         throws HeadlessException {
         throw new HeadlessException();

src/share/classes/sun/awt/LightweightFrame.java

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.awt;
+
+import java.awt.Container;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.Image;
+import java.awt.MenuBar;
+import java.awt.MenuComponent;
+import java.awt.Toolkit;
+import java.awt.peer.FramePeer;
+
+/**
+ * The class provides basic functionality for a lightweight frame
+ * implementation. A subclass is expected to provide painting to an
+ * offscreen image and access to it. Thus it can be used for lightweight
+ * embedding.
+ *
+ * @author Artem Ananiev
+ * @author Anton Tarasov
+ */
+@SuppressWarnings("serial")
+public abstract class LightweightFrame extends Frame {
+
+    /**
+     * Constructs a new, initially invisible {@code LightweightFrame}
+     * instance.
+     */
+    public LightweightFrame() {
+        setUndecorated(true);
+        setResizable(true);
+        setEnabled(true);
+    }
+
+    /**
+     * Blocks introspection of a parent window by this child.
+     *
+     * @return null
+     */
+    @Override public final Container getParent() { return null; }
+
+    @Override public Graphics getGraphics() { return null; }
+
+    @Override public final boolean isResizable() { return true; }
+
+    // Block modification of any frame attributes, since they aren't
+    // applicable for a lightweight frame.
+
+    @Override public final void setTitle(String title) {}
+    @Override public final void setIconImage(Image image) {}
+    @Override public final void setIconImages(java.util.List<? extends Image> icons) {}
+    @Override public final void setMenuBar(MenuBar mb) {}
+    @Override public final void setResizable(boolean resizable) {}
+    @Override public final void remove(MenuComponent m) {}
+    @Override public final void toFront() {}
+    @Override public final void toBack() {}
+
+    @Override public void addNotify() {
+        synchronized (getTreeLock()) {
+            if (getPeer() == null) {
+                SunToolkit stk = (SunToolkit)Toolkit.getDefaultToolkit();
+                try {
+                    setPeer(stk.createLightweightFrame(this));
+                } catch (Exception e) {
+                    throw new RuntimeException(e);
+                }
+            }
+            super.addNotify();
+        }
+    }
+
+    private void setPeer(final FramePeer p) {
+        AWTAccessor.getComponentAccessor().setPeer(this, p);
+    }
+
+    /**
+     * Requests the peer to emulate activation or deactivation of the
+     * frame. Peers should override this method if they are to implement
+     * this functionality.
+     *
+     * @param activate if <code>true</code>, activates the frame;
+     *                 otherwise, deactivates the frame
+     */
+    public void emulateActivation(boolean activate) {
+        ((FramePeer)getPeer()).emulateActivation(activate);
+    }
+
+    /**
+     * Delegates the focus grab action to the client (embedding) application.
+     * The method is called by the AWT grab machinery.
+     *
+     * @see SunToolkit#grab(java.awt.Window)
+     */
+    public abstract void grabFocus();
+
+    /**
+     * Delegates the focus ungrab action to the client (embedding) application.
+     * The method is called by the AWT grab machinery.
+     *
+     * @see SunToolkit#ungrab(java.awt.Window)
+     */
+    public abstract void ungrabFocus();
+}

src/share/classes/sun/awt/SunToolkit.java

@@ -131,6 +131,9 @@ public abstract class SunToolkit extends Toolkit
     public abstract FramePeer createFrame(Frame target)
         throws HeadlessException;
 
+    public abstract FramePeer createLightweightFrame(LightweightFrame target)
+        throws HeadlessException;
+
     public abstract DialogPeer createDialog(Dialog target)
         throws HeadlessException;
 

src/share/classes/sun/swing/JLightweightFrame.java

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.swing;
+
+import java.awt.BorderLayout;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.EventQueue;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBufferInt;
+
+import javax.swing.JLayeredPane;
+import javax.swing.JPanel;
+import javax.swing.JRootPane;
+import javax.swing.LayoutFocusTraversalPolicy;
+import javax.swing.RootPaneContainer;
+
+import sun.awt.LightweightFrame;
+
+/**
+ * The frame serves as a lightweight container which paints its content
+ * to an offscreen image and provides access to the image's data via the
+ * {@link LightweightContent} interface. Note, that it may not be shown
+ * as a standalone toplevel frame. Its purpose is to provide functionality
+ * for lightweight embedding.
+ *
+ * @author Artem Ananiev
+ * @author Anton Tarasov
+ */
+public final class JLightweightFrame extends LightweightFrame implements RootPaneContainer {
+
+    private final JRootPane rootPane = new JRootPane();
+
+    private LightweightContent content;
+
+    private Component component;
+    private JPanel contentPane;
+
+    private BufferedImage bbImage;
+
+    /**
+     * Constructs a new, initially invisible {@code JLightweightFrame}
+     * instance.
+     */
+    public JLightweightFrame() {
+        super();
+        add(rootPane, BorderLayout.CENTER);
+        setBackground(new Color(0, 0, 0, 0));
+        setFocusTraversalPolicy(new LayoutFocusTraversalPolicy());
+    }
+
+    /**
+     * Sets the {@link LightweightContent} instance for this frame.
+     * The {@code JComponent} object returned by the
+     * {@link LightweightContent#getComponent()} method is immediately
+     * added to the frame's content pane.
+     *
+     * @param content the {@link LightweightContent} instance
+     */
+    public void setContent(LightweightContent content) {
+        this.content = content;
+        this.component = content.getComponent();
+
+        initInterior();
+    }
+
+    @Override
+    public Graphics getGraphics() {
+        if (bbImage == null) return null;
+
+        Graphics2D g = bbImage.createGraphics();
+        g.setBackground(getBackground());
+        g.setColor(getForeground());
+        g.setFont(getFont());
+        return g;
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @see LightweightContent#focusGrabbed()
+     */
+    @Override
+    public void grabFocus() {
+        if (content != null) content.focusGrabbed();
+    }
+
+    /**
+     * {@inheritDoc}
+     *
+     * @see LightweightContent#focusUngrabbed()
+     */
+    @Override
+    public void ungrabFocus() {
+        if (content != null) content.focusUngrabbed();
+    }
+
+    private void initInterior() {
+        contentPane = new JPanel() {
+            @Override
+            public void paint(Graphics g) {
+                content.paintLock();
+                try {
+                    super.paint(g);
+
+                    final Rectangle clip = g.getClipBounds() != null ?
+                            g.getClipBounds() : new Rectangle(0, 0, contentPane.getWidth(), contentPane.getHeight());
+
+                    clip.x = Math.max(0, clip.x);
+                    clip.y = Math.max(0, clip.y);
+                    clip.width = Math.min(contentPane.getWidth(), clip.width);
+                    clip.height = Math.min(contentPane.getHeight(), clip.height);
+
+                    EventQueue.invokeLater(new Runnable() {
+                        @Override
+                        public void run() {
+                            content.imageUpdated(clip.x, clip.y, clip.width, clip.height);
+                        }
+                    });
+                } finally {
+                    content.paintUnlock();
+                }
+            }
+            @Override
+            protected boolean isPaintingOrigin() {
+                return true;
+            }
+        };
+        contentPane.setLayout(new BorderLayout());
+        contentPane.add(component);
+        setContentPane(contentPane);
+    }
+
+    @SuppressWarnings("deprecation")
+    @Override public void reshape(int x, int y, int width, int height) {
+        super.reshape(x, y, width, height);
+
+        if (width == 0 || height == 0) {
+            return;
+        }
+
+        content.paintLock();
+        try {
+            if ((bbImage == null) || (width != bbImage.getWidth()) || (height != bbImage.getHeight())) {
+                boolean createBB = true;
+                int newW = width;
+                int newH = height;
+                if (bbImage != null) {
+                    int oldW = bbImage.getWidth();
+                    int oldH = bbImage.getHeight();
+                    if ((oldW >= newW) && (oldH >= newH)) {
+                        createBB = false;
+                    } else {
+                        if (oldW >= newW) {
+                            newW = oldW;
+                        } else {
+                            newW = Math.max((int)(oldW * 1.2), width);
+                        }
+                        if (oldH >= newH) {
+                            newH = oldH;
+                        } else {
+                            newH = Math.max((int)(oldH * 1.2), height);
+                        }
+                    }
+                }
+                if (createBB) {
+                    BufferedImage oldBB = bbImage;
+                    bbImage = new BufferedImage(newW, newH, BufferedImage.TYPE_INT_ARGB_PRE);
+                    if (oldBB != null) {
+                        Graphics g = bbImage.getGraphics();
+                        try {
+                            g.drawImage(oldBB, 0, 0, newW, newH, null);
+                        } finally {
+                            g.dispose();
+                            oldBB.flush();
+                        }
+                    }
+                    DataBufferInt dataBuf = (DataBufferInt)bbImage.getRaster().getDataBuffer();
+                    content.imageBufferReset(dataBuf.getData(), 0, 0, width, height, bbImage.getWidth());
+                } else {
+                    content.imageReshaped(0, 0, width, height);
+                }
+            }
+        } finally {
+            content.paintUnlock();
+        }
+    }
+
+    @Override
+    public JRootPane getRootPane() {
+        return rootPane;
+    }
+
+    @Override
+    public void setContentPane(Container contentPane) {
+        getRootPane().setContentPane(contentPane);
+    }
+
+    @Override
+    public Container getContentPane() {
+        return getRootPane().getContentPane();
+    }
+
+    @Override
+    public void setLayeredPane(JLayeredPane layeredPane) {
+        getRootPane().setLayeredPane(layeredPane);
+    }
+
+    @Override
+    public JLayeredPane getLayeredPane() {
+        return getRootPane().getLayeredPane();
+    }
+
+    @Override
+    public void setGlassPane(Component glassPane) {
+        getRootPane().setGlassPane(glassPane);
+    }
+
+    @Override
+    public Component getGlassPane() {
+        return getRootPane().getGlassPane();
+    }
+}

src/share/classes/sun/swing/LightweightContent.java

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.swing;
+
+import javax.swing.JComponent;
+
+/**
+ * The interface by means of which the {@link JLightweightFrame} class
+ * communicates to its client application.
+ * <p>
+ * The client application implements this interface so it can response
+ * to requests and process notifications from {@code JLightweightFrame}.
+ * An implementation of this interface is associated with a {@code
+ * JLightweightFrame} instance via the {@link JLightweightFrame#setContent}
+ * method.
+ *
+ * A hierarchy of components contained in the {@code JComponent} instance
+ * returned by the {@link #getComponent} method should not contain any
+ * heavyweight components, otherwise {@code JLightweightFrame} may fail
+ * to paint it.
+ *
+ * @author Artem Ananiev
+ * @author Anton Tarasov
+ * @author Jim Graham
+ */
+public interface LightweightContent {
+
+    /**
+     * The client application overrides this method to return the {@code
+     * JComponent} instance which the {@code JLightweightFrame} container
+     * will paint as its lightweight content. A hierarchy of components
+     * contained in this component should not contain any heavyweight objects.
+     *
+     * @return the component to paint
+     */
+    public JComponent getComponent();
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that it acquires the paint lock. The client application
+     * should implement the locking mechanism in order to synchronize access
+     * to the content image data, shared between {@code JLightweightFrame}
+     * and the client application.
+     *
+     * @see #paintUnlock
+     */
+    public void paintLock();
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that it releases the paint lock. The client application
+     * should implement the locking mechanism in order to synchronize access
+     * to the content image data, shared between {@code JLightweightFrame}
+     * and the client application.
+     *
+     * @see #paintLock
+     */
+    public void paintUnlock();
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that a new data buffer has been set as a content pixel
+     * buffer. Typically this occurs when a buffer of a larger size is
+     * created in response to a content resize event. The method reports
+     * a reference to the pixel data buffer, the content image bounds
+     * within the buffer and the line stride of the buffer. These values
+     * have the following correlation.
+     * <p>
+     * The {@code width} and {@code height} matches the size of the content
+     * (the component returned from the {@link #getComponent} method). The
+     * {@code x} and {@code y} is the origin of the content, {@code (0, 0)}
+     * in the coordinate space of the content, appearing at
+     * {@code data[y * linestride + x]} in the buffer. All indices
+     * {@code data[(y + j) * linestride + (x + i)]} where
+     * {@code (0 <= i < width)} and {@code (0 <= j < height)} will represent
+     * valid pixel data, {@code (i, j)} in the coordinate space of the content.
+     *
+     * @param data the content pixel data buffer of INT_ARGB_PRE type
+     * @param x the x coordinate of the image
+     * @param y the y coordinate of the image
+     * @param width the width of the image
+     * @param height the height of the image
+     * @param linestride the line stride of the pixel buffer
+     */
+    public void imageBufferReset(int[] data,
+                                 int x, int y,
+                                 int width, int height,
+                                 int linestride);
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that the content image bounds have been changed within the
+     * image's pixel buffer.
+     *
+     * @param x the x coordinate of the image
+     * @param y the y coordinate of the image
+     * @param width the width of the image
+     * @param height the height of the image
+     *
+     * @see #imageBufferReset
+     */
+    public void imageReshaped(int x, int y, int width, int height);
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that a part of the content image, or the whole image has
+     * been updated. The method reports bounds of the rectangular dirty region.
+     * The {@code dirtyX} and {@code dirtyY} is the origin of the dirty
+     * rectangle, which is relative to the origin of the content, appearing
+     * at {@code data[(y + dirtyY] * linestride + (x + dirtyX)]} in the pixel
+     * buffer (see {@link #imageBufferReset}). All indices
+     * {@code data[(y + dirtyY + j) * linestride + (x + dirtyX + i)]} where
+     * {@code (0 <= i < dirtyWidth)} and {@code (0 <= j < dirtyHeight)}
+     * will represent valid pixel data, {@code (i, j)} in the coordinate space
+     * of the dirty rectangle.
+     *
+     * @param dirtyX the x coordinate of the dirty rectangle,
+     *        relative to the image origin
+     * @param dirtyY the y coordinate of the dirty rectangle,
+     *        relative to the image origin
+     * @param dirtyWidth the width of the dirty rectangle
+     * @param dirtyHeight the height of the dirty rectangle
+     *
+     * @see #imageBufferReset
+     * @see #imageReshaped
+     */
+    public void imageUpdated(int dirtyX, int dirtyY,
+                             int dirtyWidth, int dirtyHeight);
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that the frame has grabbed focus.
+     */
+    public void focusGrabbed();
+
+    /**
+     * {@code JLightweightFrame} calls this method to notify the client
+     * application that the frame has ungrabbed focus.
+     */
+    public void focusUngrabbed();
+}

src/solaris/classes/sun/awt/X11/XFramePeer.java

@@ -641,4 +641,6 @@ class XFramePeer extends XDecoratedPeer implements FramePeer {
     public Rectangle getBoundsPrivate() {
         return getBounds();
     }
+
+    public void emulateActivation(boolean doActivate) {}
 }

src/solaris/classes/sun/awt/X11/XToolkit.java

@@ -419,6 +419,10 @@ public final class XToolkit extends UNIXToolkit implements Runnable {
         return peer;
     }
 
+    public FramePeer createLightweightFrame(LightweightFrame target) {
+        return null;
+    }
+
     public FramePeer createFrame(Frame target) {
         FramePeer peer = new XFramePeer(target);
         targetCreatedPeer(target, peer);

src/windows/classes/sun/awt/windows/WEmbeddedFrame.java

@@ -226,15 +226,15 @@ public class WEmbeddedFrame extends EmbeddedFrame {
     }
 
     @SuppressWarnings("deprecation")
-    public void synthesizeWindowActivation(final boolean doActivate) {
-        if (!doActivate || EventQueue.isDispatchThread()) {
-            ((WEmbeddedFramePeer)getPeer()).synthesizeWmActivate(doActivate);
+    public void synthesizeWindowActivation(final boolean activate) {
+        if (!activate || EventQueue.isDispatchThread()) {
+            ((WFramePeer)getPeer()).emulateActivation(activate);
         } else {
             // To avoid focus concurrence b/w IE and EmbeddedFrame
             // activation is postponed by means of posting it to EDT.
             EventQueue.invokeLater(new Runnable() {
                     public void run() {
-                        ((WEmbeddedFramePeer)getPeer()).synthesizeWmActivate(true);
+                        ((WFramePeer)getPeer()).emulateActivation(true);
                     }
                 });
         }

src/windows/classes/sun/awt/windows/WEmbeddedFramePeer.java

@@ -65,8 +65,6 @@ public class WEmbeddedFramePeer extends WFramePeer {
 
     public native Rectangle getBoundsPrivate();
 
-    public native void synthesizeWmActivate(boolean doActivate);
-
     @Override
     public boolean isAccelCapable() {
         // REMIND: Temp workaround for issues with using HW acceleration

src/windows/classes/sun/awt/windows/WFramePeer.java

@@ -200,4 +200,11 @@ class WFramePeer extends WWindowPeer implements FramePeer {
     public Rectangle getBoundsPrivate() {
         return getBounds();
     }
+
+    // TODO: implement it in peers. WLightweightFramePeer may implement lw version.
+    public void emulateActivation(boolean activate) {
+        synthesizeWmActivate(activate);
+    }
+
+    private native void synthesizeWmActivate(boolean activate);
 }

src/windows/classes/sun/awt/windows/WLightweightFramePeer.java

+/*
+ * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.awt.windows;
+
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.event.ComponentEvent;
+import java.awt.event.MouseEvent;
+
+import sun.awt.LightweightFrame;
+
+public class WLightweightFramePeer extends WFramePeer {
+
+    public WLightweightFramePeer(LightweightFrame target) {
+        super(target);
+    }
+
+    private LightweightFrame getLwTarget() {
+        return (LightweightFrame)target;
+    }
+
+    @Override
+    public Graphics getGraphics() {
+        return getLwTarget().getGraphics();
+    }
+
+    @Override
+    public void show() {
+        super.show();
+        postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_SHOWN));
+    }
+
+    @Override
+    public void hide() {
+        super.hide();
+        postEvent(new ComponentEvent((Component)getTarget(), ComponentEvent.COMPONENT_HIDDEN));
+    }
+
+    @Override
+    public void reshape(int x, int y, int width, int height) {
+        super.reshape(x, y, width, height);
+        postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_MOVED));
+        postEvent(new ComponentEvent((Component) getTarget(), ComponentEvent.COMPONENT_RESIZED));
+    }
+
+    @Override
+    public void handleEvent(java.awt.AWTEvent e) {
+        if (e.getID() == MouseEvent.MOUSE_PRESSED) {
+            emulateActivation(true);
+        }
+        super.handleEvent(e);
+    }
+
+    @Override
+    public void grab() {
+        getLwTarget().grabFocus();
+    }
+
+    @Override
+    public void ungrab() {
+        getLwTarget().ungrabFocus();
+    }
+}

src/windows/classes/sun/awt/windows/WToolkit.java

@@ -37,6 +37,7 @@ import java.beans.PropertyChangeListener;
 import java.security.AccessController;
 import java.security.PrivilegedAction;
 import sun.awt.AWTAutoShutdown;
+import sun.awt.LightweightFrame;
 import sun.awt.SunToolkit;
 import sun.awt.Win32GraphicsDevice;
 import sun.awt.Win32GraphicsEnvironment;
@@ -398,6 +399,12 @@ public class WToolkit extends SunToolkit implements Runnable {
         return peer;
     }
 
+    public FramePeer createLightweightFrame(LightweightFrame target) {
+        FramePeer peer = new WLightweightFramePeer(target);
+        targetCreatedPeer(target, peer);
+        return peer;
+    }
+
     public CanvasPeer createCanvas(Canvas target) {
         CanvasPeer peer = new WCanvasPeer(target);
         targetCreatedPeer(target, peer);

src/windows/native/sun/windows/awt_Frame.cpp

@@ -105,6 +105,7 @@ AwtFrame::AwtFrame() {
     m_parentWnd = NULL;
     menuBar = NULL;
     m_isEmbedded = FALSE;
+    m_isLightweight = FALSE;
     m_ignoreWmSize = FALSE;
     m_isMenuDropped = FALSE;
     m_isInputMethodWindow = FALSE;
@@ -170,14 +171,13 @@ AwtFrame* AwtFrame::Create(jobject self, jobject parent)
              * area of the browser is a Java Frame for parenting purposes, but
              * really a Windows child window
              */
+            BOOL isEmbeddedInstance = FALSE;
+            BOOL isEmbedded = FALSE;
             cls = env->FindClass("sun/awt/EmbeddedFrame");
-            if (cls == NULL) {
-                return NULL;
+            if (cls) {
+                isEmbeddedInstance = env->IsInstanceOf(target, cls);
             }
             INT_PTR handle;
-            jboolean isEmbeddedInstance = env->IsInstanceOf(target, cls);
-            jboolean isEmbedded = FALSE;
-
             if (isEmbeddedInstance) {
                 handle = static_cast<INT_PTR>(env->GetLongField(target, AwtFrame::handleID));
                 if (handle != 0) {
@@ -186,6 +186,13 @@ AwtFrame* AwtFrame::Create(jobject self, jobject parent)
             }
             frame->m_isEmbedded = isEmbedded;
 
+            BOOL isLightweight = FALSE;
+            cls = env->FindClass("sun/awt/LightweightFrame");
+            if (cls) {
+                isLightweight = env->IsInstanceOf(target, cls);
+            }
+            frame->m_isLightweight = isLightweight;
+
             if (isEmbedded) {
                 hwndParent = (HWND)handle;
                 RECT rect;
@@ -230,6 +237,23 @@ AwtFrame* AwtFrame::Create(jobject self, jobject parent)
                                  rect.bottom-rect.top);
                 frame->InitPeerGraphicsConfig(env, self);
                 AwtToolkit::GetInstance().RegisterEmbedderProcessId(hwndParent);
+            } else if (isLightweight) {
+                frame->m_isUndecorated = true;
+                frame->m_peerObject = env->NewGlobalRef(self);
+                frame->RegisterClass();
+
+                DWORD exStyle = 0;
+                DWORD style = WS_POPUP;
+
+                frame->CreateHWnd(env, L"",
+                                  style,
+                                  exStyle,
+                                  0, 0, 0, 0,
+                                  0,
+                                  NULL,
+                                  ::GetSysColor(COLOR_WINDOWTEXT),
+                                  ::GetSysColor(COLOR_WINDOWFRAME),
+                                  self);
             } else {
                 jint state = env->CallIntMethod(self, AwtFrame::getExtendedStateMID);
                 DWORD exStyle;
@@ -345,16 +369,20 @@ LRESULT AwtFrame::ProxyWindowProc(UINT message, WPARAM wParam, LPARAM lParam, Ms
         case WM_SETFOCUS:
             if (sm_inSynthesizeFocus) break; // pass it up the WindowProc chain
 
-            if (!sm_suppressFocusAndActivation && IsEmbeddedFrame()) {
+            if (!sm_suppressFocusAndActivation) {
+                if (IsLightweightFrame() || IsEmbeddedFrame()) {
                     AwtSetActiveWindow();
                 }
+            }
             mr = mrConsume;
             break;
         case WM_KILLFOCUS:
             if (sm_inSynthesizeFocus) break; // pass it up the WindowProc chain
 
-            if (!sm_suppressFocusAndActivation && IsEmbeddedFrame()) {
+            if (!sm_suppressFocusAndActivation) {
+                if (IsLightweightFrame() || IsEmbeddedFrame()) {
                     AwtWindow::SynthesizeWmActivate(FALSE, GetHWnd(), NULL);
+                }
 
             } else if (sm_restoreFocusAndActivation) {
                 if (AwtComponent::GetFocusedWindow() != NULL) {
@@ -640,6 +668,10 @@ AwtFrame::Show()
     HWND hwnd = GetHWnd();
     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
 
+    if (IsLightweightFrame()) {
+        return;
+    }
+
     DTRACE_PRINTLN3("AwtFrame::Show:%s%s%s",
                   m_iconic ? " iconic" : "",
                   m_zoomed ? " zoomed" : "",
@@ -992,6 +1024,9 @@ BOOL AwtFrame::AwtSetActiveWindow(BOOL isMouseEventCause, UINT hittest)
         // b) focus is requested to some of the frame's child.
         m_actualFocusedWindow = NULL;
     }
+    if (IsLightweightFrame()) {
+        return TRUE;
+    }
     return AwtWindow::AwtSetActiveWindow(isMouseEventCause);
 }
 
@@ -1873,7 +1908,7 @@ Java_sun_awt_windows_WEmbeddedFramePeer_getBoundsPrivate(JNIEnv *env, jobject se
 }
 
 JNIEXPORT void JNICALL
-Java_sun_awt_windows_WEmbeddedFramePeer_synthesizeWmActivate(JNIEnv *env, jobject self, jboolean doActivate)
+Java_sun_awt_windows_WFramePeer_synthesizeWmActivate(JNIEnv *env, jobject self, jboolean doActivate)
 {
     TRY;
 

src/windows/native/sun/windows/awt_Frame.h

@@ -72,6 +72,8 @@ public:
 
     /* Returns whether this frame is embedded in an external native frame. */
     INLINE BOOL IsEmbeddedFrame() { return m_isEmbedded; }
+    /* Returns whether this frame is lightweight. */
+    INLINE virtual BOOL IsLightweightFrame() { return m_isLightweight; }
 
     INLINE BOOL IsSimpleWindow() { return FALSE; }
 
@@ -169,6 +171,9 @@ private:
     /* The frame is an EmbeddedFrame. */
     BOOL m_isEmbedded;
 
+    /* The frame is a LightweightFrame */
+    BOOL m_isLightweight;
+
     /* used so that calls to ::MoveWindow in SetMenuBar don't propogate
        because they are immediately followed by calls to Component.resize */
     BOOL m_ignoreWmSize;

src/windows/native/sun/windows/awt_Window.h

@@ -143,6 +143,7 @@ public:
     INLINE HICON GetHIcon() {return m_hIcon;};
     INLINE HICON GetHIconSm() {return m_hIconSm;};
     INLINE BOOL IsIconInherited() {return m_iconInherited;};
+    INLINE virtual BOOL IsLightweightFrame() {return FALSE;}
 
     /* Post events to the EventQueue */
     void SendComponentEvent(jint eventId);
@@ -193,8 +194,10 @@ public:
 
     // Execute on Toolkit only.
     INLINE static LRESULT SynthesizeWmActivate(BOOL doActivate, HWND targetHWnd, HWND oppositeHWnd) {
+        AwtWindow *win = static_cast<AwtWindow*>(AwtComponent::GetComponent(targetHWnd));
         if (doActivate &&
-            (!::IsWindowVisible(targetHWnd) || ::IsIconic(::GetAncestor(targetHWnd, GA_ROOT))))
+            (!::IsWindowVisible(targetHWnd) || ::IsIconic(::GetAncestor(targetHWnd, GA_ROOT))) &&
+            (win == NULL || !win->IsLightweightFrame()))
         {
             // The activation is rejected if either:
             // - The toplevel is not visible