1 /*
2  * Copyright (C) 2023 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.devicelockcontroller.receivers;
18 
19 import android.content.BroadcastReceiver;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.os.SystemClock;
23 import android.os.UserManager;
24 
25 import com.android.devicelockcontroller.storage.UserParameters;
26 
27 import java.time.Clock;
28 import java.time.Instant;
29 
30 /**
31  * A receiver to record the boot timestamp.
32  */
33 public final class RecordBootTimestampReceiver extends BroadcastReceiver {
34     @Override
onReceive(Context context, Intent intent)35     public void onReceive(Context context, Intent intent) {
36         if (!intent.getAction().equals(Intent.ACTION_LOCKED_BOOT_COMPLETED)) {
37             // Ignore other intent actions
38             return;
39         }
40         if (context.getSystemService(UserManager.class).isProfile()) {
41             // Not needed as the receiver will run in the parent user
42             return;
43         }
44         Instant bootTimeStamp = Instant.now(Clock.systemUTC()).minusMillis(
45                 SystemClock.elapsedRealtime());
46         UserParameters.setBootTimeMillis(context, bootTimeStamp.toEpochMilli());
47     }
48 }
49