content: /*
   * Copyright (C) 2013 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.layoutlib.bridge.impl.binding;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  
  import com.android.ide.common.rendering.api.DataBindingItem;
  
  /**
   * This is the items provided by the adapter. They are dynamically generated.
   */
  final class AdapterItem {
      private final DataBindingItem mItem;
      private final int mType;
      private final int mFullPosition;
      private final int mPositionPerType;
      private List<AdapterItem> mChildren;
  
      protected AdapterItem(DataBindingItem item, int type, int fullPosition,
              int positionPerType) {
          mItem = item;
          mType = type;
          mFullPosition = fullPosition;
          mPositionPerType = positionPerType;
      }
  
      void addChild(AdapterItem child) {
          if (mChildren == null) {
              mChildren = new ArrayList<AdapterItem>();
          }
  
          mChildren.add(child);
      }
  
      List<AdapterItem> getChildren() {
          if (mChildren != null) {
              return mChildren;
          }
  
          return Collections.emptyList();
      }
  
      int getType() {
          return mType;
      }
  
      int getFullPosition() {
          return mFullPosition;
      }
  
      int getPositionPerType() {
          return mPositionPerType;
      }
  
      DataBindingItem getDataBindingItem() {
          return mItem;
      }
  }
  