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.structure.card;
  
  import com.tmall.wireless.tangram.dataparser.concrete.Card;
  import com.tmall.wireless.tangram.dataparser.concrete.WrapperCard;
  import com.tmall.wireless.tangram.eventbus.BusSupport;
  import com.tmall.wireless.tangram.eventbus.Event;
  import com.tmall.wireless.tangram.eventbus.EventHandlerWrapper;
  import com.tmall.wireless.tangram.structure.BaseCell;
  
  import android.support.annotation.Keep;
  import android.support.annotation.NonNull;
  import android.support.v4.util.ArrayMap;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  /**
   * Created by longerian on 17/1/27.
   */
  
  public class SlideCard extends WrapperCard implements SwipeCard {
  
      public static final String KEY_INDEX = "index";
  
      public static final String KEY_PAGE_COUNT = "pageCount";
  
      private ArrayMap<String, String> args = new ArrayMap<String, String>();
  
      private int mIndex;
  
      private int mTotalPageCount;
  
      private Map<Integer, TabContentCache> mCacheMap = new HashMap<>();
  
      public SlideCard(@NonNull Card card) {
          super(card);
          mIndex = 0;
          mTotalPageCount = Integer.MAX_VALUE;
      }
  
      @Override
      public int getCurrentIndex() {
          return mIndex;
      }
  
      @Override
      public int getTotalPage() {
          return mTotalPageCount;
      }
  
      @Override
      public void switchTo(int index) {
          BusSupport busSupport = serviceManager.getService(BusSupport.class);
          if (busSupport != null) {
              storeCache();
              args.put(KEY_INDEX, String.valueOf(index));
              busSupport.post(BusSupport.obtainEvent("switchTo", null, args, null));
              mIndex = index;
          }
      }
  
      @Override
      protected void onAdded() {
          super.onAdded();
          BusSupport busSupport = serviceManager.getService(BusSupport.class);
          if (busSupport != null) {
              busSupport.register(mSetMeta);
          }
      }
  
      @Override
      protected void onRemoved() {
          super.onRemoved();
          BusSupport busSupport = serviceManager.getService(BusSupport.class);
          if (busSupport != null) {
              busSupport.unregister(mSetMeta);
          }
      }
  
      private EventHandlerWrapper mSetMeta = BusSupport
              .wrapEventHandler("setMeta", null, this, "parseMeta");
  
      @Keep
      public void parseMeta(Event event) {
          try {
              if (mTotalPageCount != Integer.MAX_VALUE) {
                  storeCache();
              }
              mIndex = Integer.parseInt(event.args.get(KEY_INDEX));
              mTotalPageCount = Integer.parseInt(event.args.get(KEY_PAGE_COUNT));
          } catch (Exception e) {
          }
      }
  
      public boolean hasCacheOf(int index) {
          TabContentCache tabContentCache = mCacheMap.get(index);
          return tabContentCache != null && tabContentCache.cells != null && !tabContentCache.cells.isEmpty();
      }
  
      public TabContentCache getIndexCache(int index) {
          TabContentCache tabContentCache = mCacheMap.get(index);
          return tabContentCache;
      }
  
      private void storeCache() {
          List<BaseCell> initCells = getCells();
          BaseCell placeHolder = getPlaceholderCell();
          if (initCells != null && !initCells.isEmpty()) {
              TabContentCache tabContentCache = new TabContentCache(mIndex, initCells, placeHolder);
              tabContentCache.id = id;
              tabContentCache.loaded = loaded;
              tabContentCache.loading = loading;
              tabContentCache.page = page;
              tabContentCache.hasMore = hasMore;
              mCacheMap.put(mIndex, tabContentCache);
          }
      }
  
      static public final class TabContentCache {
  
          int index = -1;
  
          public String id;
          public boolean loaded = true;
          public boolean loading = false;
          public int page;
          public boolean hasMore;
  
          public List<BaseCell> cells;
  
          TabContentCache(int index, List<BaseCell> cells, BaseCell placeHolder) {
              this.index = index;
              this.cells = new ArrayList<>(cells);
              this.cells.remove(placeHolder);
          }
      }
  
  }
  