/*  GameTimer - A interfac to define a game timer.  Copyright (C) 2003 The Java-Chess team <info@java-chess.de>  This program is free software; you can redistribute it and/or  modify it under the terms of the GNU General Public License  as published by the Free Software Foundation; either version 2  of the License, or (at your option) any later version.  This program 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 for more details.  You should have received a copy of the GNU General Public License  along with this program; if not, write to the Free Software  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.*/ package de.java_chess.javaChess.timer;import java.awt.event.*;/** * A interface to define a game timer. */public interface GameTimer {    // Methods    /**     * Start the entire timer.     */    void start();    /**     * Toggle from one player to the other.     */    void toggle();    /**     * Stop the entire timer.     */    void stop();    /**     * Check if the timer is actually running.     *     * @return true, if the timer is active, false otherwise.     */    boolean isRunning();    /**     * Add a action listener to the timer.     *     * @param listener The action listener to add.     */    void addActionListener( ActionListener listener);}