SunClipboard.java

/*
 * @(#)SunClipboard.java	1.10 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
 * 
 * This program 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. 
 * 
 * This program 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 at /legal/license.txt). 
 * 
 * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
 * Clara, CA 95054 or visit www.sun.com if you need additional
 * information or have any questions. 
 *
 */
package sun.awt;

import java.awt.datatransfer.*;

public class SunClipboard extends Clipboard {
    protected AppContext contentsContext = null;
    public SunClipboard(String name) {
        super(name);
    }

    protected void initContext(Transferable contents) {
        contentsContext = AppContext.getAppContext();
    }

    protected synchronized void lostOwnership() {}

    protected void lostOwnershipImpl() {
        if (contentsContext != null) {
            AppContext context = contentsContext;           
            contentsContext = null;             
            SunToolkit.postEvent(context, new PeerEvent(this, new Runnable() {
                        public void run() {
                            lostOwnership();
                        }
                    }, PeerEvent.PRIORITY_EVENT));
        }
    }   

    void clearAppContext() {
        contentsContext = null;
    }
};