content: /*
   * MIT License
   *
   * Copyright (c) 2018 Alibaba Group
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  package com.tmall.wireless.tangram.view;
  
  import android.content.Context;
  import android.util.AttributeSet;
  import android.widget.HorizontalScrollView;
  
  /**
   * Provide onScrollChangedListenser by {@link #onScrollChanged(int, int, int, int)} method, in order to be in compatible with API under 23
   * <p/>
   * Created by Kunlun on 9/17/16.
   */
  public class HorizontalScrollViewExt extends HorizontalScrollView {
      private OnScrollChangedListenerExt listener;
  
      public HorizontalScrollViewExt(Context context) {
          super(context);
      }
  
      public HorizontalScrollViewExt(Context context, AttributeSet attrs) {
          super(context, attrs);
      }
  
      public HorizontalScrollViewExt(Context context, AttributeSet attrs, int defStyleAttr) {
          super(context, attrs, defStyleAttr);
      }
  
      @Override
      protected void onScrollChanged(int l, int t, int oldl, int oldt) {
          super.onScrollChanged(l, t, oldl, oldt);
          if (listener != null) {
              listener.onScrollChangedExt(l, t, oldl, oldt);
          }
      }
  
      public void setOnScrollChangedListenerExt(OnScrollChangedListenerExt listener) {
          this.listener = listener;
      }
  
      public interface OnScrollChangedListenerExt {
          void onScrollChangedExt(int l, int t, int oldl, int oldt);
      }
  }
  