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.tangram3.structure.card;
  
  import android.support.annotation.Nullable;
  
  import com.alibaba.android.vlayout.LayoutHelper;
  import com.alibaba.android.vlayout.layout.GridLayoutHelper;
  import com.tmall.wireless.tangram3.dataparser.concrete.Card;
  import com.tmall.wireless.tangram3.structure.BaseCell;
  import com.tmall.wireless.tangram3.structure.cell.LinearScrollCell;
  
  import java.util.Collections;
  import java.util.List;
  
  /**
   * Created by Kunlun on 9/17/16.
   */
  public class LinearScrollCard extends Card {
      private static final String LOG_TAG = "LinearScrollCard";
  
      public LinearScrollCell cell = new LinearScrollCell();
  
      @Override
      public void setCells(@Nullable List<BaseCell> cells) {
          if (cells == null || cells.isEmpty()) {
              super.setCells(null);
          } else {
              cell.setCells(cells);
              super.setCells(Collections.<BaseCell>singletonList(cell));
          }
      }
  
      @Nullable
      @Override
      public LayoutHelper convertLayoutHelper(@Nullable LayoutHelper oldHelper) {
          GridLayoutHelper helper = new GridLayoutHelper(1);
          helper.setItemCount(getCells().size());
          if (style != null && !Float.isNaN(style.aspectRatio)) {
              helper.setAspectRatio(style.aspectRatio);
          }
          return helper;
      }
  }
  