/**
 * Copyright (c) 2011, Martin Foster <martin@ethereal-realms.org>
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *     * Redistributions of source code must retain the above copyright notice, 
 *       this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in the 
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Ethereal-Realms.org nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.lyra.Host;

/**
 * The Multimedia Player Daemon does not send updates to track the timing of
 * the song.   As a result the user is left with either forcing an update every
 * half second to a second in order to ensure that it displays properly or to
 * create their own timer.
 * <p>
 * In order to save on bandwidth we have created a timer and associated
 * listener that will perform the function in between player updates.
 * <p>
 * @author Martin Foster
 * @version 1.0.4, %Revision, 99%, %LastChangedDate, 17/03/11 8:17PM%
 * @see org.lyra.Host.Pendulum
 */
public interface PendulumListener {

	/**
	 * In order to try and maintain a certain amount of efficiency it was
	 * deemed a bit much to create a class containing a lot of additional
	 * information.   Instead we just pass on the appropriate values to the
	 * listener.
	 * <p>
	 * @param elapsed Integer carrying current runtime.
	 * @param total Integer representing total play time.
	 */
	abstract public void pendulumUpdated(int elapsed, int total);
	
}
