Eino-Ville Talvala | e91012b | 2017-07-10 15:27:24 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| 5 | * use this file except in compliance with the License. You may obtain a copy of |
| 6 | * the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE2.0 |
| 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, WITHOUT |
| 12 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 13 | * License for the specific language governing permissions and limitations under |
| 14 | * the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.server.camera; |
| 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.ContentResolver; |
| 25 | import android.content.Context; |
| 26 | import android.util.Slog; |
| 27 | |
| 28 | import java.util.concurrent.TimeUnit; |
| 29 | |
| 30 | import com.android.server.LocalServices; |
| 31 | |
| 32 | /** |
| 33 | * A JobService to periodically collect camera usage stats. |
| 34 | */ |
| 35 | public class CameraStatsJobService extends JobService { |
| 36 | private static final String TAG = "CameraStatsJobService"; |
| 37 | |
| 38 | // Must be unique within UID (system service) |
| 39 | private static final int CAMERA_REPORTING_JOB_ID = 0xCA3E7A; |
| 40 | |
| 41 | private static ComponentName sCameraStatsJobServiceName = new ComponentName( |
| 42 | "android", |
| 43 | CameraStatsJobService.class.getName()); |
| 44 | |
| 45 | @Override |
| 46 | public boolean onStartJob(JobParameters params) { |
| 47 | CameraServiceProxy serviceProxy = LocalServices.getService(CameraServiceProxy.class); |
| 48 | if (serviceProxy == null) { |
| 49 | Slog.w(TAG, "Can't collect camera usage stats - no camera service proxy found"); |
| 50 | return false; |
| 51 | } |
| 52 | |
| 53 | serviceProxy.dumpUsageEvents(); |
| 54 | return false; |
| 55 | } |
| 56 | |
| 57 | @Override |
| 58 | public boolean onStopJob(JobParameters params) { |
| 59 | // All work is done in onStartJob, so nothing to stop here |
| 60 | return false; |
| 61 | } |
| 62 | |
| 63 | public static void schedule(Context context) { |
| 64 | |
| 65 | JobScheduler js = (JobScheduler) context.getSystemService(Context.JOB_SCHEDULER_SERVICE); |
| 66 | if (js == null) { |
| 67 | Slog.e(TAG, "Can't collect camera usage stats - no Job Scheduler"); |
| 68 | return; |
| 69 | } |
| 70 | js.schedule(new JobInfo.Builder(CAMERA_REPORTING_JOB_ID, sCameraStatsJobServiceName) |
| 71 | .setMinimumLatency(TimeUnit.DAYS.toMillis(1)) |
| 72 | .setRequiresDeviceIdle(true) |
| 73 | .build()); |
| 74 | |
| 75 | } |
| 76 | |
| 77 | } |