content: /*
   * Copyright (C) 2007 Esmertec AG.
   * Copyright (C) 2007 The Android Open Source Project
   *
   * Licensed 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
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.android.mms.dom.smil;
  
  import org.w3c.dom.NodeList;
  import org.w3c.dom.smil.SMILDocument;
  import org.w3c.dom.smil.SMILRegionElement;
  import org.w3c.dom.smil.SMILRegionMediaElement;
  
  public class SmilRegionMediaElementImpl extends SmilMediaElementImpl implements
          SMILRegionMediaElement {
      private SMILRegionElement mRegion;
  
      SmilRegionMediaElementImpl(SmilDocumentImpl owner, String tagName) {
          super(owner, tagName);
      }
  
      public SMILRegionElement getRegion() {
          if (mRegion == null) {
              SMILDocument doc = (SMILDocument)this.getOwnerDocument();
              NodeList regions = doc.getLayout().getElementsByTagName("region");
              SMILRegionElement region = null;
              for (int i = 0; i < regions.getLength(); i++) {
                  region = (SMILRegionElement)regions.item(i);
                  if (region.getId().equals(this.getAttribute("region"))) {
                      mRegion = region;
                  }
              }
          }
          return mRegion;
      }
  
      public void setRegion(SMILRegionElement region) {
          this.setAttribute("region", region.getId());
          mRegion = region;
      }
  
  }
  