1 /*
2  * Copyright (C) 2014 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 
17 package com.android.server.backup;
18 
19 import android.app.job.JobInfo;
20 import android.app.job.JobParameters;
21 import android.app.job.JobScheduler;
22 import android.app.job.JobService;
23 import android.content.ComponentName;
24 import android.content.Context;
25 
26 public class FullBackupJob extends JobService {
27     private static final String TAG = "FullBackupJob";
28     private static final boolean DEBUG = true;
29 
30     private static ComponentName sIdleService =
31             new ComponentName("android", FullBackupJob.class.getName());
32 
33     private static final int JOB_ID = 0x5038;
34 
35     JobParameters mParams;
36 
schedule(Context ctx, long minDelay, BackupManagerConstants constants)37     public static void schedule(Context ctx, long minDelay, BackupManagerConstants constants) {
38         JobScheduler js = (JobScheduler) ctx.getSystemService(Context.JOB_SCHEDULER_SERVICE);
39         JobInfo.Builder builder = new JobInfo.Builder(JOB_ID, sIdleService);
40         synchronized (constants) {
41             builder.setRequiresDeviceIdle(true)
42                     .setRequiredNetworkType(constants.getFullBackupRequiredNetworkType())
43                     .setRequiresCharging(constants.getFullBackupRequireCharging());
44         }
45         if (minDelay > 0) {
46             builder.setMinimumLatency(minDelay);
47         }
48         js.schedule(builder.build());
49     }
50 
51     // callback from the Backup Manager Service: it's finished its work for this pass
finishBackupPass()52     public void finishBackupPass() {
53         if (mParams != null) {
54             jobFinished(mParams, false);
55             mParams = null;
56         }
57     }
58 
59     // ----- scheduled job interface -----
60 
61     @Override
onStartJob(JobParameters params)62     public boolean onStartJob(JobParameters params) {
63         mParams = params;
64         Trampoline service = BackupManagerService.getInstance();
65         return service.beginFullBackup(this);
66     }
67 
68     @Override
onStopJob(JobParameters params)69     public boolean onStopJob(JobParameters params) {
70         if (mParams != null) {
71             mParams = null;
72             Trampoline service = BackupManagerService.getInstance();
73             service.endFullBackup();
74         }
75         return false;
76     }
77 
78 }
79