/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.util.swing.glass;

import java.awt.BorderLayout;

import java.awt.event.*;

import java.awt.image.BufferedImage;

import javax.swing.*;

import com.oracle.solaris.vp.util.swing.GraphicsUtil;

@SuppressWarnings({"serial"})

public class ImageCaptureGlassPane extends SimpleGlassPane {

    //

    // Instance data

    //

    private boolean refreshOnResize = true;

    private JLabel label = new JLabel();

    //

    // Constructors

    //

    public ImageCaptureGlassPane() {

	setOpaque(true);

	setLayout(new BorderLayout());

	add(label, BorderLayout.CENTER);

	addComponentListener(

	    new ComponentAdapter() {

		@Override

		public void componentResized(ComponentEvent e) {

		    if (refreshOnResize && isShowing()) {

			refresh();

		    }

		}

	    });

    }

    //

    // SimpleGlassPane methods

    //

    @Override

    public void componentHidden() {

	super.componentHidden();

	label.setIcon(null);

    }

    @Override

    public void componentToBeVisible() {

	super.componentToBeVisible();

	refresh();

    }

    //

    // ImageCaptureGlassPane methods

    //

    protected JLabel getLabel() {

	return label;

    }

    public boolean getRefreshOnResize() {

	return refreshOnResize;

    }

    public synchronized void refresh() {

	Icon icon = null;

	JRootPane rootPane = getRootPane();

	if (rootPane != null) {

	    JLayeredPane layeredPane = rootPane.getLayeredPane();

	    if (layeredPane != null) {

		BufferedImage bImage = GraphicsUtil.paintToImage(layeredPane);

		if (bImage != null) {

		    icon = new ImageIcon(bImage);

		}

	    }

	}

	label.setIcon(icon);

    }

    public void setRefreshOnResize(boolean refreshOnResize) {

	this.refreshOnResize = refreshOnResize;

    }

}