DisplayFutureListener.java

/*
 * This file is part of the OpenSCADA project
 * Copyright (C) 2006-2010 TH4 SYSTEMS GmbH (http://th4-systems.com)
 *
 * OpenSCADA is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenSCADA 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 Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenSCADA. If not, see
 * <http://opensource.org/licenses/lgpl-3.0.html> for a copy of the LGPLv3 License.
 */

package org.openscada.ui.utils;

import java.util.concurrent.Future;

import org.eclipse.swt.widgets.Display;
import org.openscada.utils.concurrent.FutureListener;

public class DisplayFutureListener<T> implements FutureListener<T>
{

    private final Display display;

    private final FutureListener<T> listener;

    public DisplayFutureListener ( final Display display, final FutureListener<T> listener )
    {
        this.display = display;
        this.listener = listener;
    }

    public void complete ( final Future<T> future )
    {
        if ( !this.display.isDisposed () )
        {
            this.display.asyncExec ( new Runnable () {

                public void run ()
                {
                    DisplayFutureListener.this.listener.complete ( future );
                }
            } );
        }
    }

}