content: /*
   * Copyright (C) 2016 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.launcher3.model;
  
  import android.content.ComponentName;
  import android.os.UserHandle;
  
  import com.android.launcher3.AllAppsList;
  import com.android.launcher3.AppInfo;
  import com.android.launcher3.IconCache;
  import com.android.launcher3.ItemInfo;
  import com.android.launcher3.LauncherAppState;
  import com.android.launcher3.LauncherModel.CallbackTask;
  import com.android.launcher3.LauncherModel.Callbacks;
  import com.android.launcher3.LauncherSettings;
  import com.android.launcher3.ShortcutInfo;
  
  import java.util.ArrayList;
  import java.util.HashSet;
  
  /**
   * Handles changes due to cache updates.
   */
  public class CacheDataUpdatedTask extends BaseModelUpdateTask {
  
      public static final int OP_CACHE_UPDATE = 1;
      public static final int OP_SESSION_UPDATE = 2;
  
      private final int mOp;
      private final UserHandle mUser;
      private final HashSet<String> mPackages;
  
      public CacheDataUpdatedTask(int op, UserHandle user, HashSet<String> packages) {
          mOp = op;
          mUser = user;
          mPackages = packages;
      }
  
      @Override
      public void execute(LauncherAppState app, BgDataModel dataModel, AllAppsList apps) {
          IconCache iconCache = app.getIconCache();
  
          final ArrayList<AppInfo> updatedApps = new ArrayList<>();
  
          ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>();
          synchronized (dataModel) {
              for (ItemInfo info : dataModel.itemsIdMap) {
                  if (info instanceof ShortcutInfo && mUser.equals(info.user)) {
                      ShortcutInfo si = (ShortcutInfo) info;
                      ComponentName cn = si.getTargetComponent();
                      if (si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION
                              && isValidShortcut(si) && cn != null
                              && mPackages.contains(cn.getPackageName())) {
                          iconCache.getTitleAndIcon(si, si.usingLowResIcon);
                          updatedShortcuts.add(si);
                      }
                  }
              }
              apps.updateIconsAndLabels(mPackages, mUser, updatedApps);
          }
          bindUpdatedShortcuts(updatedShortcuts, mUser);
  
          if (!updatedApps.isEmpty()) {
              scheduleCallbackTask(new CallbackTask() {
                  @Override
                  public void execute(Callbacks callbacks) {
                      callbacks.bindAppsAddedOrUpdated(updatedApps);
                  }
              });
          }
      }
  
      public boolean isValidShortcut(ShortcutInfo si) {
          switch (mOp) {
              case OP_CACHE_UPDATE:
                  return true;
              case OP_SESSION_UPDATE:
                  return si.hasPromiseIconUi();
              default:
                  return false;
          }
      }
  }
  