/*

 * Copyright 2003-2004 Sun Microsystems, Inc.  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.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.awt.X11;

import sun.awt.datatransfer.ToolkitThreadBlockedHandler;

final class XToolkitThreadBlockedHandler implements

                                 ToolkitThreadBlockedHandler {

    private static final ToolkitThreadBlockedHandler priveleged_lock;

    static {

        priveleged_lock = new XToolkitThreadBlockedHandler();

    }

    private static final XToolkit tk = (XToolkit)java.awt.Toolkit.getDefaultToolkit();

    private XToolkitThreadBlockedHandler() {}

    static ToolkitThreadBlockedHandler getToolkitThreadBlockedHandler() {

        return priveleged_lock;

    }

    public void lock() {

        XToolkit.awtLock();

    }

    public void unlock() {

        XToolkit.awtUnlock();

    }

    public void enter() {

        tk.run(XToolkit.SECONDARY_LOOP);

    }

    public void exit() {

        XlibWrapper.ExitSecondaryLoop();

    }

}