| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.server.people.data; |
| |
| import android.annotation.UserIdInt; |
| import android.app.job.JobInfo; |
| import android.app.job.JobParameters; |
| import android.app.job.JobScheduler; |
| import android.app.job.JobService; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.os.CancellationSignal; |
| |
| import com.android.server.LocalServices; |
| import com.android.server.people.PeopleServiceInternal; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * This service runs periodically to ensure the data consistency and the retention policy for a |
| * specific user's data. |
| */ |
| public class DataMaintenanceService extends JobService { |
| |
| private static final long JOB_RUN_INTERVAL = TimeUnit.HOURS.toMillis(24); |
| |
| /** This job ID must be unique within the system server. */ |
| private static final int BASE_JOB_ID = 0xC315BD7; // 204561367 |
| |
| static void scheduleJob(Context context, @UserIdInt int userId) { |
| int jobId = getJobId(userId); |
| JobScheduler jobScheduler = context.getSystemService(JobScheduler.class); |
| if (jobScheduler.getPendingJob(jobId) == null) { |
| ComponentName component = new ComponentName(context, DataMaintenanceService.class); |
| JobInfo newJob = new JobInfo.Builder(jobId, component) |
| .setRequiresDeviceIdle(true) |
| .setPeriodic(JOB_RUN_INTERVAL) |
| .build(); |
| jobScheduler.schedule(newJob); |
| } |
| } |
| |
| static void cancelJob(Context context, @UserIdInt int userId) { |
| JobScheduler jobScheduler = context.getSystemService(JobScheduler.class); |
| jobScheduler.cancel(getJobId(userId)); |
| } |
| |
| private CancellationSignal mSignal; |
| |
| @Override |
| public boolean onStartJob(JobParameters params) { |
| int userId = getUserId(params.getJobId()); |
| mSignal = new CancellationSignal(); |
| new Thread(() -> { |
| PeopleServiceInternal peopleServiceInternal = |
| LocalServices.getService(PeopleServiceInternal.class); |
| peopleServiceInternal.pruneDataForUser(userId, mSignal); |
| jobFinished(params, mSignal.isCanceled()); |
| }).start(); |
| return true; |
| } |
| |
| @Override |
| public boolean onStopJob(JobParameters params) { |
| if (mSignal != null) { |
| mSignal.cancel(); |
| } |
| return false; |
| } |
| |
| private static int getJobId(@UserIdInt int userId) { |
| return BASE_JOB_ID + userId; |
| } |
| |
| private static @UserIdInt int getUserId(int jobId) { |
| return jobId - BASE_JOB_ID; |
| } |
| } |