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)37     public static void schedule(Context ctx, long minDelay) {
38         JobScheduler js = (JobScheduler) ctx.getSystemService(Context.JOB_SCHEDULER_SERVICE);
39         JobInfo.Builder builder = new JobInfo.Builder(JOB_ID, sIdleService)
40                 .setRequiresDeviceIdle(true)
41                 .setRequiredNetworkType(JobInfo.NETWORK_TYPE_UNMETERED)
42                 .setRequiresCharging(true);
43         if (minDelay > 0) {
44             builder.setMinimumLatency(minDelay);
45         }
46         js.schedule(builder.build());
47     }
48 
49     // callback from the Backup Manager Service: it's finished its work for this pass
finishBackupPass()50     public void finishBackupPass() {
51         if (mParams != null) {
52             jobFinished(mParams, false);
53             mParams = null;
54         }
55     }
56 
57     // ----- scheduled job interface -----
58 
59     @Override
onStartJob(JobParameters params)60     public boolean onStartJob(JobParameters params) {
61         mParams = params;
62         Trampoline service = BackupManagerService.getInstance();
63         return service.beginFullBackup(this);
64     }
65 
66     @Override
onStopJob(JobParameters params)67     public boolean onStopJob(JobParameters params) {
68         if (mParams != null) {
69             mParams = null;
70             Trampoline service = BackupManagerService.getInstance();
71             service.endFullBackup();
72         }
73         return false;
74     }
75 
76 }
77