/*

 * Copyright (c) 2003, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.awt.X11;

import java.awt.*;

/**

 * This class represent focus holder window implementation. When toplevel requests or receives focus

 * it instead sets focus to this proxy. This proxy is mapped but invisible(it is kept at (-1,-1))

 * and therefore X doesn't control focus after we have set it to proxy.

 */

public class XFocusProxyWindow extends XBaseWindow {

    XWindowPeer owner;

    public XFocusProxyWindow(XWindowPeer owner) {

        super(new XCreateWindowParams(new Object[] {

            BOUNDS, new Rectangle(-1, -1, 1, 1),

            PARENT_WINDOW, Long.valueOf(owner.getWindow()),

            EVENT_MASK, Long.valueOf(XConstants.FocusChangeMask | XConstants

                .KeyPressMask | XConstants.KeyReleaseMask)

        }));

        this.owner = owner;

    }

    public void postInit(XCreateWindowParams params){

        super.postInit(params);

        setWMClass(getWMClass());

        xSetVisible(true);

    }

    protected String getWMName() {

        return "FocusProxy";

    }

    protected String[] getWMClass() {

        return new String[] {"Focus-Proxy-Window", "FocusProxy"};

    }

    public XWindowPeer getOwner() {

        return owner;

    }

    public void dispatchEvent(XEvent ev) {

        int type = ev.get_type();

        switch (type)

        {

          case XConstants.FocusIn:

          case XConstants.FocusOut:

              handleFocusEvent(ev);

              break;

        }

        super.dispatchEvent(ev);

    }

    public void handleFocusEvent(XEvent xev) {

        owner.handleFocusEvent(xev);

    }

    public void handleKeyPress(XEvent xev) {

        owner.handleKeyPress(xev);

    }

    public void handleKeyRelease(XEvent xev) {

        owner.handleKeyRelease(xev);

    }

}