CToolkitThreadBlockedHandler.java

/*
 * Copyright (c) 2011, 2013, 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.
 *
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package sun.lwawt.macosx;

import sun.awt.Mutex;
import sun.awt.datatransfer.ToolkitThreadBlockedHandler;

final class CToolkitThreadBlockedHandler extends Mutex implements ToolkitThreadBlockedHandler {
    private long awtRunLoopMediator = 0;
    private final boolean processEvents;

    CToolkitThreadBlockedHandler() {
        super();
        this.processEvents = true;
    }

    public void enter() {
        if (!isOwned()) {
            throw new IllegalMonitorStateException();
        }
        awtRunLoopMediator = LWCToolkit.createAWTRunLoopMediator();
        unlock();
        LWCToolkit.doAWTRunLoop(awtRunLoopMediator, processEvents);
        lock();
    }

    public void exit() {
        if (!isOwned()) {
            throw new IllegalMonitorStateException();
        }
        LWCToolkit.stopAWTRunLoop(awtRunLoopMediator);
        awtRunLoopMediator = 0;
    }
}