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.BroadcastReceiver;
  import android.content.Context;
  import android.content.Intent;
  import android.os.UserHandle;
  
  import com.android.launcher3.LauncherAppState;
  import com.android.launcher3.LauncherModel;
  import com.android.launcher3.compat.LauncherAppsCompat;
  import com.android.launcher3.util.MultiHashMap;
  import com.android.launcher3.util.PackageManagerHelper;
  
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.Map.Entry;
  
  /**
   * Helper class to re-query app status when SD-card becomes available.
   *
   * During first load, just after reboot, some apps on sdcard might not be available immediately due
   * to some race conditions in the system. We wait for ACTION_BOOT_COMPLETED and process such
   * apps again.
   */
  public class SdCardAvailableReceiver extends BroadcastReceiver {
  
      private final LauncherModel mModel;
      private final Context mContext;
      private final MultiHashMap<UserHandle, String> mPackages;
  
      public SdCardAvailableReceiver(LauncherAppState app,
              MultiHashMap<UserHandle, String> packages) {
          mModel = app.getModel();
          mContext = app.getContext();
          mPackages = packages;
      }
  
      @Override
      public void onReceive(Context context, Intent intent) {
          final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context);
          final PackageManagerHelper pmHelper = new PackageManagerHelper(context);
          for (Entry<UserHandle, ArrayList<String>> entry : mPackages.entrySet()) {
              UserHandle user = entry.getKey();
  
              final ArrayList<String> packagesRemoved = new ArrayList<>();
              final ArrayList<String> packagesUnavailable = new ArrayList<>();
  
              for (String pkg : new HashSet<>(entry.getValue())) {
                  if (!launcherApps.isPackageEnabledForProfile(pkg, user)) {
                      if (pmHelper.isAppOnSdcard(pkg, user)) {
                          packagesUnavailable.add(pkg);
                      } else {
                          packagesRemoved.add(pkg);
                      }
                  }
              }
              if (!packagesRemoved.isEmpty()) {
                  mModel.onPackagesRemoved(user,
                          packagesRemoved.toArray(new String[packagesRemoved.size()]));
              }
              if (!packagesUnavailable.isEmpty()) {
                  mModel.onPackagesUnavailable(
                          packagesUnavailable.toArray(new String[packagesUnavailable.size()]),
                          user, false);
              }
          }
  
          // Unregister the broadcast receiver, just in case
          mContext.unregisterReceiver(this);
      }
  }
  