content: /*
   * Copyright (C) 2015 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 android.app;
  
  import android.os.Bundle;
  import android.os.IRemoteCallback;
  import android.os.RemoteException;
  
  /**
   * Base class for synchronous implementations of {@link IUserSwitchObserver}
   *
   * @hide
   */
  public abstract class SynchronousUserSwitchObserver extends UserSwitchObserver {
      /**
       * Calls {@link #onUserSwitching(int)} and notifies {@code reply} by calling
       * {@link IRemoteCallback#sendResult(Bundle)}.
       */
      @Override
      public final void onUserSwitching(int newUserId, IRemoteCallback reply) throws RemoteException {
          try {
              onUserSwitching(newUserId);
          } finally {
              if (reply != null) {
                  reply.sendResult(null);
              }
          }
      }
  
      /**
       * Synchronous version of {@link IUserSwitchObserver#onUserSwitching(int, IRemoteCallback)}
       */
      public abstract void onUserSwitching(int newUserId) throws RemoteException;
  }
  