1 /* 2 * Copyright (c) 2000 World Wide Web Consortium, 3 * (Massachusetts Institute of Technology, Institut National de 4 * Recherche en Informatique et en Automatique, Keio University). All 5 * Rights Reserved. This program is distributed under the W3C's Software 6 * Intellectual Property License. This program is distributed in the 7 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even 8 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 9 * PURPOSE. See W3C License http://www.w3.org/Consortium/Legal/ for more 10 * details. 11 */ 12 13 package org.w3c.dom.smil; 14 15 import org.w3c.dom.NodeList; 16 17 /** 18 * This is a placeholder - subject to change. This represents generic 19 * timelines. 20 */ 21 public interface ElementTimeContainer extends ElementTime { 22 /** 23 * A NodeList that contains all timed childrens of this node. If there are 24 * no timed children, the <code>Nodelist</code> is empty. An iterator 25 * is more appropriate here than a node list but it requires Traversal 26 * module support. 27 */ 28 public NodeList getTimeChildren(); 29 30 /** 31 * Returns a list of child elements active at the specified invocation. 32 * @param instant The desired position on the local timeline in 33 * milliseconds. 34 * @return List of timed child-elements active at instant. 35 */ 36 public NodeList getActiveChildrenAt(float instant); 37 38 } 39 40