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 android.app.IBackupAgent;
  import android.content.pm.PackageInfo;
  
  /**
   * Callout from the engine to an interested participant that might need to communicate with the
   * agent prior to asking it to move data.
   */
  public interface FullBackupPreflight {
  
      /**
       * Perform the preflight operation necessary for the given package.
       *
       * @param pkg The name of the package being proposed for full-data backup
       * @param agent Live BackupAgent binding to the target app's agent
       * @return BackupTransport.TRANSPORT_OK to proceed with the backup operation, or one of the
       * other BackupTransport.* error codes as appropriate
       */
      int preflightFullBackup(PackageInfo pkg, IBackupAgent agent);
  
      long getExpectedSizeOrErrorCode();
  }
  