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 * Copyright (c) 1995, 2008, 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
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package java.awt.peer;

import java.awt.*;
import java.awt.event.PaintEvent;
import java.awt.image.ImageProducer;
import java.awt.image.ImageObserver;
import java.awt.image.ColorModel;
import java.awt.image.VolatileImage;
import java.awt.GraphicsConfiguration;
import sun.awt.CausedFocusEvent;
import sun.java2d.pipe.Region;


The peer interfaces are intended only for use in porting
the AWT. They are not intended for use by application
developers, and developers should not implement peers
nor invoke any of the peer methods directly on the peer
instances.
/**
 * The peer interfaces are intended only for use in porting
 * the AWT. They are not intended for use by application
 * developers, and developers should not implement peers
 * nor invoke any of the peer methods directly on the peer
 * instances.
 */
public interface ComponentPeer {
    public static final int SET_LOCATION = 1,
        SET_SIZE = 2,
        SET_BOUNDS = 3,
        SET_CLIENT_SIZE = 4,
        RESET_OPERATION = 5,
        NO_EMBEDDED_CHECK = (1 << 14),
        DEFAULT_OPERATION = SET_BOUNDS;
    boolean isObscured();
    boolean canDetermineObscurity();
    void                setVisible(boolean b);
    void                setEnabled(boolean b);
    void                paint(Graphics g);
    void                repaint(long tm, int x, int y, int width, int height);
    void                print(Graphics g);
    void                setBounds(int x, int y, int width, int height, int op);
    void                handleEvent(AWTEvent e);
    void                coalescePaintEvent(PaintEvent e);
    Point               getLocationOnScreen();
    Dimension           getPreferredSize();
    Dimension           getMinimumSize();
    ColorModel          getColorModel();
    Toolkit             getToolkit();
    Graphics            getGraphics();
    FontMetrics         getFontMetrics(Font font);
    void                dispose();
    void                setForeground(Color c);
    void                setBackground(Color c);
    void                setFont(Font f);
    void                updateCursorImmediately();
    boolean             requestFocus(Component lightweightChild,
                                     boolean temporary,
                                     boolean focusedWindowChangeAllowed,
                                     long time, CausedFocusEvent.Cause cause);
    boolean             isFocusable();

    Image               createImage(ImageProducer producer);
    Image               createImage(int width, int height);
    VolatileImage       createVolatileImage(int width, int height);
    boolean             prepareImage(Image img, int w, int h, ImageObserver o);
    int                 checkImage(Image img, int w, int h, ImageObserver o);
    GraphicsConfiguration getGraphicsConfiguration();
    boolean     handlesWheelScrolling();
    void createBuffers(int numBuffers, BufferCapabilities caps) throws AWTException;
    Image getBackBuffer();
    void flip(int x1, int y1, int x2, int y2, BufferCapabilities.FlipContents flipAction);
    void destroyBuffers();

    
Reparents this peer to the new parent referenced by newContainer peer
Implementation depends on toolkit and container.
Params:
newContainer – peer of the new parent container
Since:
1.5/**
     * Reparents this peer to the new parent referenced by <code>newContainer</code> peer
     * Implementation depends on toolkit and container.
     * @param newContainer peer of the new parent container
     * @since 1.5
     */
    void reparent(ContainerPeer newContainer);
    
Returns whether this peer supports reparenting to another parent withour destroying the peer
Returns:
true if appropriate reparent is supported, false otherwise
Since:
1.5/**
     * Returns whether this peer supports reparenting to another parent withour destroying the peer
     * @return true if appropriate reparent is supported, false otherwise
     * @since 1.5
     */
    boolean isReparentSupported();

    
Used by lightweight implementations to tell a ComponentPeer to layout
its sub-elements.  For instance, a lightweight Checkbox needs to layout
the box, as well as the text label.
/**
     * Used by lightweight implementations to tell a ComponentPeer to layout
     * its sub-elements.  For instance, a lightweight Checkbox needs to layout
     * the box, as well as the text label.
     */
    void        layout();


        Rectangle getBounds();

    
Applies the shape to the native component window.
Since:
1.7/**
     * Applies the shape to the native component window.
     * @since 1.7
     */
    void applyShape(Region shape);

    
DEPRECATED:  Replaced by getPreferredSize().
/**
     * DEPRECATED:  Replaced by getPreferredSize().
     */
    Dimension           preferredSize();

    
DEPRECATED:  Replaced by getMinimumSize().
/**
     * DEPRECATED:  Replaced by getMinimumSize().
     */
    Dimension           minimumSize();

    
DEPRECATED:  Replaced by setVisible(boolean).
/**
     * DEPRECATED:  Replaced by setVisible(boolean).
     */
    void                show();

    
DEPRECATED:  Replaced by setVisible(boolean).
/**
     * DEPRECATED:  Replaced by setVisible(boolean).
     */
    void                hide();

    
DEPRECATED:  Replaced by setEnabled(boolean).
/**
     * DEPRECATED:  Replaced by setEnabled(boolean).
     */
    void                enable();

    
DEPRECATED:  Replaced by setEnabled(boolean).
/**
     * DEPRECATED:  Replaced by setEnabled(boolean).
     */
    void                disable();

    
DEPRECATED:  Replaced by setBounds(int, int, int, int).
/**
     * DEPRECATED:  Replaced by setBounds(int, int, int, int).
     */
    void                reshape(int x, int y, int width, int height);
}