/*
 * Copyright (c) 2009-2012 jMonkeyEngine
 * 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 'jMonkeyEngine' 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 OWNER 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
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.input.controls;

/**
 * <code>ActionListener</code> is used to receive input events in "digital" style.
 * <p>
 * Generally all button inputs, such as keyboard, mouse button, and joystick button,
 * will be represented exactly. Analog inputs will be converted into digital.
 * <p>
 * When an action listener is registered to a natively digital input, such as a button,
 * the event will be invoked when the button is pressed, with <code>value</code>
 * set to <code>true</code>, and will be invoked again when the button is released,
 * with <code>value</code> set to <code>false</code>.
 *
 * @author Kirill Vainer
 */
public interface ActionListener extends InputListener {
    
    /**
     * Called when an input to which this listener is registered to is invoked.
     * 
     * @param name The name of the mapping that was invoked
     * @param isPressed True if the action is "pressed", false otherwise
     * @param tpf The time per frame value.
     */
    public void onAction(String name, boolean isPressed, float tpf);
}