1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.server.backup.fullbackup;
18
19import static com.android.server.backup.BackupManagerService.TAG;
20
21import android.app.backup.IFullBackupRestoreObserver;
22import android.os.RemoteException;
23import android.util.Slog;
24
25/**
26 * Generic driver skeleton for full backup operations.
27 */
28public abstract class FullBackupTask implements Runnable {
29
30    IFullBackupRestoreObserver mObserver;
31
32    FullBackupTask(IFullBackupRestoreObserver observer) {
33        mObserver = observer;
34    }
35
36    // wrappers for observer use
37    final void sendStartBackup() {
38        if (mObserver != null) {
39            try {
40                mObserver.onStartBackup();
41            } catch (RemoteException e) {
42                Slog.w(TAG, "full backup observer went away: startBackup");
43                mObserver = null;
44            }
45        }
46    }
47
48    final void sendOnBackupPackage(String name) {
49        if (mObserver != null) {
50            try {
51                // TODO: use a more user-friendly name string
52                mObserver.onBackupPackage(name);
53            } catch (RemoteException e) {
54                Slog.w(TAG, "full backup observer went away: backupPackage");
55                mObserver = null;
56            }
57        }
58    }
59
60    final void sendEndBackup() {
61        if (mObserver != null) {
62            try {
63                mObserver.onEndBackup();
64            } catch (RemoteException e) {
65                Slog.w(TAG, "full backup observer went away: endBackup");
66                mObserver = null;
67            }
68        }
69    }
70}
71