http://xmlgraphics.apache.org/batik/batik-anim/: Batik animation engine (Apache Software Foundation) 
/*

   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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   See the License for the specific language governing permissions and
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 */
package org.apache.batik.anim.dom;


A listener class for animation targets.  This will be for the animation
engine to be notified of updates to dependencies such as font size
changes and viewport sizes.

Author:Cameron McCormack
Version:$Id: AnimationTargetListener.java 1733416 2016-03-03 07:07:13Z gadams $
/**
 * A listener class for animation targets.  This will be for the animation
 * engine to be notified of updates to dependencies such as font size
 * changes and viewport sizes.
 *
 * @author <a href="mailto:cam%40mcc%2eid%2eau">Cameron McCormack</a>
 * @version $Id: AnimationTargetListener.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public interface AnimationTargetListener {

    
Invoked to indicate that base value of the specified attribute
or property has changed.

/**
     * Invoked to indicate that base value of the specified attribute
     * or property has changed.
     */
    void baseValueChanged(AnimationTarget t, String ns, String ln,
                          boolean isCSS);
}