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Java example source code file (CViewEmbeddedFrame.java)

This example Java source code file (CViewEmbeddedFrame.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

awt, cviewembeddedframe, invocationtargetexception, lwtoolkit, lwwindowpeer, override, reflection, runnable, suppresswarnings

The CViewEmbeddedFrame.java Java example source code

/*
 * Copyright (c) 2012, 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.AWTKeyStroke;
import java.awt.Toolkit;
import java.lang.reflect.InvocationTargetException;
import sun.awt.EmbeddedFrame;
import sun.lwawt.LWToolkit;
import sun.lwawt.LWWindowPeer;
/*
 * The CViewEmbeddedFrame class is used in the SWT_AWT bridge.
 * This is a part of public API and should not be renamed or moved
 */
public class CViewEmbeddedFrame extends EmbeddedFrame {

    private final long nsViewPtr;

    private boolean isActive = false;

    public CViewEmbeddedFrame(long nsViewPtr) {
        this.nsViewPtr = nsViewPtr;
    }

    @SuppressWarnings("deprecation")
    @Override
    public void addNotify() {
        if (getPeer() == null) {
            LWToolkit toolkit = (LWToolkit) Toolkit.getDefaultToolkit();
            setPeer(toolkit.createEmbeddedFrame(this));
        }
        super.addNotify();
    }

    public long getEmbedderHandle() {
        return nsViewPtr;
    }

    @Override
    public void registerAccelerator(AWTKeyStroke awtks) {
    }

    @Override
    public void unregisterAccelerator(AWTKeyStroke awtks) {
    }

    public boolean isParentWindowActive() {
        return isActive;
    }

    /*
     * Synthetic event delivery for focus management
     */
    @Override
    public void synthesizeWindowActivation(boolean activated) {
        if (isActive != activated) {
            isActive = activated;
            ((LWWindowPeer)getPeer()).notifyActivation(activated, null);
        }
    }

    /*
     * Initializes the embedded frame bounds and validates a component.
     * Designed to be called from the main thread
     * This method should be called once from the initialization of the SWT_AWT Bridge
     */
    @SuppressWarnings("deprecation")
    public void validateWithBounds(final int x, final int y, final int width, final int height) {
        try {
            LWCToolkit.invokeAndWait(new Runnable() {
                @Override
                public void run() {
                    ((LWWindowPeer) getPeer()).setBoundsPrivate(0, 0, width, height);
                    validate();
                    setVisible(true);
                }
            }, this);
        } catch (InvocationTargetException ex) {}
    }
}

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