Dépôt officiel du code source de l'ERP OpenConcerto

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright 2011-2019 OpenConcerto, by ILM Informatique. All rights reserved.
 * 
 * The contents of this file are subject to the terms of the GNU General Public License Version 3
 * only ("GPL"). You may not use this file except in compliance with the License. You can obtain a
 * copy of the License at http://www.gnu.org/licenses/gpl-3.0.html See the License for the specific
 * language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each file.
 */
 
 package org.openconcerto.ui;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.SwingUtilities;
import javax.swing.Timer;

public class SwingThrottle {
    private Timer timer;
    private Runnable runnable;

    public SwingThrottle(int delayInMs, final Runnable runnable) {
        this.runnable = runnable;
        timer = new Timer(delayInMs, new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                timer.stop();
                SwingUtilities.invokeLater(runnable);

            }
        });
    }

    public synchronized void execute() {
        if (!SwingUtilities.isEventDispatchThread()) {
            throw new IllegalArgumentException("must be called in EDT");
        }
        timer.restart();
    }

    public synchronized void executeNow() {
        if (timer.isRunning()) {
            timer.stop();
            runnable.run();
        }
    }
}