content: /*
   * Copyright (C) 2017 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/LICENSE2.0
   *
   * 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.camera;
  
  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.ContentResolver;
  import android.content.Context;
  import android.util.Slog;
  
  import java.util.concurrent.TimeUnit;
  
  import com.android.server.LocalServices;
  
  /**
   * A JobService to periodically collect camera usage stats.
   */
  public class CameraStatsJobService extends JobService {
      private static final String TAG = "CameraStatsJobService";
  
      // Must be unique within UID (system service)
      private static final int CAMERA_REPORTING_JOB_ID = 0xCA3E7A;
  
      private static ComponentName sCameraStatsJobServiceName = new ComponentName(
              "android",
              CameraStatsJobService.class.getName());
  
      @Override
      public boolean onStartJob(JobParameters params) {
          CameraServiceProxy serviceProxy = LocalServices.getService(CameraServiceProxy.class);
          if (serviceProxy == null) {
              Slog.w(TAG, "Can't collect camera usage stats - no camera service proxy found");
              return false;
          }
  
          serviceProxy.dumpUsageEvents();
          return false;
      }
  
      @Override
      public boolean onStopJob(JobParameters params) {
          // All work is done in onStartJob, so nothing to stop here
          return false;
      }
  
      public static void schedule(Context context) {
  
          JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE);
          if (js == null) {
              Slog.e(TAG, "Can't collect camera usage stats - no Job Scheduler");
              return;
          }
          js.schedule(new JobInfo.Builder(CAMERA_REPORTING_JOB_ID, sCameraStatsJobServiceName)
                  .setMinimumLatency(TimeUnit.DAYS.toMillis(1))
                  .setRequiresDeviceIdle(true)
                  .build());
  
      }
  
  }
  