/*

 * Copyright (c) 2018, 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 jdk.swing.interop;

import java.awt.SecondaryLoop;

import java.awt.EventQueue;

import sun.awt.FwDispatcher;

import sun.awt.AWTAccessor;

/**

 * This class provides a wrapper over inner class DispatcherProxy

 * which implements jdk internal sun.awt.FwDispatcher interface

 * and provides APIs to be used by FX swing interop to access and use

 * FwDispatcher APIs.

 *

 * @since 11

 */

public abstract class DispatcherWrapper {

    private DispatcherProxy fwd;

    public DispatcherWrapper() {

        fwd = new DispatcherProxy();

    }

    public abstract boolean isDispatchThread();

    public abstract void scheduleDispatch(Runnable r);

    public abstract SecondaryLoop createSecondaryLoop();

    public static void setFwDispatcher(EventQueue eventQueue, DispatcherWrapper dispatcher) {

        AWTAccessor.getEventQueueAccessor().setFwDispatcher(eventQueue, dispatcher.fwd);

    }

    private class DispatcherProxy implements FwDispatcher {

        @Override

        public boolean isDispatchThread() {

            return DispatcherWrapper.this.isDispatchThread();

        }

        @Override

        public void scheduleDispatch(Runnable r) {

            DispatcherWrapper.this.scheduleDispatch(r);

        }

        @Override

        public SecondaryLoop createSecondaryLoop() {

            return DispatcherWrapper.this.createSecondaryLoop();

        }

    }

}