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      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 
     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
     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
     62     public boolean onStartJob(JobParameters params) {
     63         mParams = params;
     64         Trampoline service = BackupManagerService.getInstance();
     65         return service.beginFullBackup(this);
     66     }
     67 
     68     @Override
     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