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.support.async;
  
  import android.support.annotation.NonNull;
  
  import com.tmall.wireless.tangram.dataparser.concrete.Card;
  import com.tmall.wireless.tangram.structure.BaseCell;
  
  import java.util.List;
  
  /**
   * Interface to provide load data async for a Card. The difference between this and {@link AsyncLoader} is that this one loads data with page which means the card has a long list of cell data that could not be loaded at once.
   * See default {@link AsyncPageLoader.LoadedCallback} implement in {@link CardLoadSupport}
   * <br />
   * Created by villadora on 15/12/3.
   */
  public interface AsyncPageLoader {
  
      /**
       * start to load data for a card with paging
       * @param page page index
       * @param card the card who's cells is empty and need to be loaded
       * @param callback called after loading finished
       */
      void loadData(int page, @NonNull final Card card, @NonNull final LoadedCallback callback);
  
      interface LoadedCallback {
  
          /**
           * notify the card that loading has been finished and
           * @param hasMore true, there's more data, false, no more data
           */
          void finish(boolean hasMore);
  
          /**
           * notify the card that loading data is success and append data to card
           *
           * @param cells the cell list parsed from async loaded data
           * @param hasMore true, there's more data, false, no more data
           */
          void finish(List<BaseCell> cells, boolean hasMore);
  
          /**
           * notify the card that loading data is fail
           *
           * @param retry true, retry loading data later because there may be more data; false, no more data.
           */
          void fail(boolean retry);
      }
  }
  