content: /*
   * Copyright 2013 Niek Haarman
   *
   * 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.nhaarman.listviewanimations.util;
  
  import android.view.View;
  import android.widget.AdapterView;
  import android.widget.ListView;
  
  public class AdapterViewUtil {
  
      /**
       * Get the position within the adapter's dataset for the view, where view is an adapter item or a descendant of an adapter item.
       * Unlike {@link AdapterView#getPositionForView(android.view.View)}, returned position will reflect the position of the item given view is representing,
       * by subtracting the header views count.
       * @param adapterView the AdapterView containing the view.
       * @param view an adapter item or a descendant of an adapter item. This must be visible in given AdapterView at the time of the call.
       * @return the position of the item in the AdapterView represented by given view, or {@link AdapterView#INVALID_POSITION} if the view does not
       * correspond to a list item (or it is not visible).
       */
      public static int getPositionForView(final AdapterView<?> adapterView, final View view) {
          int position = adapterView.getPositionForView(view);
  
          if (adapterView instanceof ListView) {
              position -= ((ListView) adapterView).getHeaderViewsCount();
          }
  
          return position;
      }
  }
  