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.settings.fuelgauge.batteryusage;
18 
19 import android.content.BroadcastReceiver;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.os.Handler;
23 import android.os.Looper;
24 import android.util.Log;
25 
26 import com.android.settings.core.instrumentation.ElapsedTimeUtils;
27 import com.android.settings.fuelgauge.BatteryUsageHistoricalLogEntry.Action;
28 import com.android.settings.fuelgauge.batteryusage.bugreport.BatteryUsageLogUtils;
29 import com.android.settingslib.fuelgauge.BatteryUtils;
30 
31 import java.time.Duration;
32 
33 /** Receives broadcasts to start or stop the periodic fetching job. */
34 public final class BootBroadcastReceiver extends BroadcastReceiver {
35     private static final String TAG = "BootBroadcastReceiver";
36     private static final long RESCHEDULE_FOR_BOOT_ACTION_DELAY_MILLIS =
37             Duration.ofSeconds(6).toMillis();
38 
39     private final Handler mHandler = new Handler(Looper.getMainLooper());
40 
41     public static final String ACTION_PERIODIC_JOB_RECHECK =
42             "com.android.settings.battery.action.PERIODIC_JOB_RECHECK";
43     public static final String ACTION_SETUP_WIZARD_FINISHED =
44             "com.google.android.setupwizard.SETUP_WIZARD_FINISHED";
45 
46     /** Invokes periodic job rechecking process. */
invokeJobRecheck(Context context)47     public static void invokeJobRecheck(Context context) {
48         context = context.getApplicationContext();
49         final Intent intent = new Intent(ACTION_PERIODIC_JOB_RECHECK);
50         intent.setClass(context, BootBroadcastReceiver.class);
51         context.sendBroadcast(intent);
52     }
53 
54     @Override
onReceive(Context context, Intent intent)55     public void onReceive(Context context, Intent intent) {
56         final String action = intent == null ? "" : intent.getAction();
57         if (BatteryUtils.isWorkProfile(context)) {
58             Log.w(TAG, "do not start job for work profile action=" + action);
59             return;
60         }
61 
62         switch (action) {
63             case Intent.ACTION_BOOT_COMPLETED:
64             case ACTION_SETUP_WIZARD_FINISHED:
65             case ACTION_PERIODIC_JOB_RECHECK:
66                 Log.d(TAG, "refresh periodic job from action=" + action);
67                 refreshJobs(context);
68                 break;
69             case Intent.ACTION_TIME_CHANGED:
70                 Log.d(TAG, "refresh job and clear data from action=" + action);
71                 DatabaseUtils.clearDataAfterTimeChangedIfNeeded(context, intent);
72                 break;
73             case Intent.ACTION_TIMEZONE_CHANGED:
74                 Log.d(TAG, "refresh job and clear all data from action=" + action);
75                 DatabaseUtils.clearDataAfterTimeZoneChangedIfNeeded(context);
76                 break;
77             default:
78                 Log.w(TAG, "receive unsupported action=" + action);
79         }
80 
81         // Waits a while to recheck the scheduler to avoid AlarmManager is not ready.
82         if (Intent.ACTION_BOOT_COMPLETED.equals(action)) {
83             final Intent recheckIntent = new Intent(ACTION_PERIODIC_JOB_RECHECK);
84             recheckIntent.setClass(context, BootBroadcastReceiver.class);
85             final long delayedTime = RESCHEDULE_FOR_BOOT_ACTION_DELAY_MILLIS;
86             mHandler.postDelayed(() -> context.sendBroadcast(recheckIntent), delayedTime);
87 
88             // Refreshes the usage source from UsageStatsManager when booting.
89             DatabaseUtils.removeUsageSource(context);
90 
91             BatteryUsageLogUtils.writeLog(context, Action.RECHECK_JOB, "delay:" + delayedTime);
92         } else if (ACTION_SETUP_WIZARD_FINISHED.equals(action)) {
93             ElapsedTimeUtils.storeSuwFinishedTimestamp(context, System.currentTimeMillis());
94         }
95     }
96 
refreshJobs(Context context)97     private static void refreshJobs(Context context) {
98         PeriodicJobManager.getInstance(context).refreshJob(/* fromBoot= */ true);
99     }
100 }
101