1 /* 2 * Copyright (C) 2022 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.ondevicepersonalization.services.download; 18 19 import static android.app.job.JobScheduler.RESULT_FAILURE; 20 import static android.content.pm.PackageManager.GET_META_DATA; 21 22 import android.app.job.JobInfo; 23 import android.app.job.JobParameters; 24 import android.app.job.JobScheduler; 25 import android.app.job.JobService; 26 import android.content.ComponentName; 27 import android.content.Context; 28 import android.content.pm.PackageInfo; 29 import android.content.pm.PackageManager; 30 import android.util.Log; 31 32 import com.android.ondevicepersonalization.services.OnDevicePersonalizationConfig; 33 import com.android.ondevicepersonalization.services.OnDevicePersonalizationExecutors; 34 import com.android.ondevicepersonalization.services.manifest.AppManifestConfigHelper; 35 36 import com.google.common.util.concurrent.Futures; 37 import com.google.common.util.concurrent.ListenableFuture; 38 39 import java.util.ArrayList; 40 import java.util.List; 41 42 /** 43 * JobService to handle the processing of the downloaded vendor data 44 */ 45 public class OnDevicePersonalizationDownloadProcessingJobService extends JobService { 46 public static final String TAG = "OnDevicePersonalizationDownloadProcessingJobService"; 47 private List<ListenableFuture<Void>> mFutures; 48 49 /** 50 * Schedules a unique instance of OnDevicePersonalizationDownloadProcessingJobService to be run. 51 */ schedule(Context context)52 public static int schedule(Context context) { 53 JobScheduler jobScheduler = context.getSystemService(JobScheduler.class); 54 if (jobScheduler.getPendingJob( 55 OnDevicePersonalizationConfig.DOWNLOAD_PROCESSING_TASK_JOB_ID) != null) { 56 Log.d(TAG, "Job is already scheduled. Doing nothing,"); 57 return RESULT_FAILURE; 58 } 59 ComponentName serviceComponent = new ComponentName(context, 60 OnDevicePersonalizationDownloadProcessingJobService.class); 61 JobInfo.Builder builder = new JobInfo.Builder( 62 OnDevicePersonalizationConfig.DOWNLOAD_PROCESSING_TASK_JOB_ID, serviceComponent); 63 64 // Constraints. 65 builder.setRequiresDeviceIdle(true); 66 builder.setRequiresBatteryNotLow(true); 67 builder.setRequiresStorageNotLow(true); 68 builder.setRequiredNetworkType(JobInfo.NETWORK_TYPE_NONE); 69 70 return jobScheduler.schedule(builder.build()); 71 } 72 73 @Override onStartJob(JobParameters params)74 public boolean onStartJob(JobParameters params) { 75 Log.d(TAG, "onStartJob()"); 76 mFutures = new ArrayList<>(); 77 for (PackageInfo packageInfo : this.getPackageManager().getInstalledPackages( 78 PackageManager.PackageInfoFlags.of(GET_META_DATA))) { 79 String packageName = packageInfo.packageName; 80 if (AppManifestConfigHelper.manifestContainsOdpSettings( 81 this, packageName)) { 82 mFutures.add(Futures.submitAsync( 83 new OnDevicePersonalizationDataProcessingAsyncCallable(packageName, 84 this), 85 OnDevicePersonalizationExecutors.getBackgroundExecutor())); 86 } 87 } 88 Futures.whenAllComplete(mFutures).call(() -> { 89 jobFinished(params, /* wantsReschedule */ false); 90 return null; 91 }, OnDevicePersonalizationExecutors.getLightweightExecutor()); 92 93 return true; 94 } 95 96 @Override onStopJob(JobParameters params)97 public boolean onStopJob(JobParameters params) { 98 if (mFutures != null) { 99 for (ListenableFuture<Void> f : mFutures) { 100 f.cancel(true); 101 } 102 } 103 // Reschedule the job since it ended before finishing 104 return true; 105 } 106 } 107