content: /*
   * Copyright (C) 2017 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.server.backup.fullbackup;
  
  import static com.android.server.backup.BackupManagerService.TAG;
  
  import android.app.backup.IFullBackupRestoreObserver;
  import android.os.RemoteException;
  import android.util.Slog;
  
  /**
   * Generic driver skeleton for full backup operations.
   */
  public abstract class FullBackupTask implements Runnable {
  
      IFullBackupRestoreObserver mObserver;
  
      FullBackupTask(IFullBackupRestoreObserver observer) {
          mObserver = observer;
      }
  
      // wrappers for observer use
      final void sendStartBackup() {
          if (mObserver != null) {
              try {
                  mObserver.onStartBackup();
              } catch (RemoteException e) {
                  Slog.w(TAG, "full backup observer went away: startBackup");
                  mObserver = null;
              }
          }
      }
  
      final void sendOnBackupPackage(String name) {
          if (mObserver != null) {
              try {
                  // TODO: use a more user-friendly name string
                  mObserver.onBackupPackage(name);
              } catch (RemoteException e) {
                  Slog.w(TAG, "full backup observer went away: backupPackage");
                  mObserver = null;
              }
          }
      }
  
      final void sendEndBackup() {
          if (mObserver != null) {
              try {
                  mObserver.onEndBackup();
              } catch (RemoteException e) {
                  Slog.w(TAG, "full backup observer went away: endBackup");
                  mObserver = null;
              }
          }
      }
  }
  