src/com/android/settings/fuelgauge/batterytip/detectors/HighUsageDetector.java

   1 /*
   2  * Copyright (C) 2018 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.batterytip.detectors;
  18
  19 import android.content.Context;
  20 import android.os.BatteryStats;
  21 import android.support.annotation.VisibleForTesting;
  22 import android.text.format.DateUtils;
  23
  24 import com.android.internal.os.BatterySipper;
  25 import com.android.internal.os.BatteryStatsHelper;
  26 import com.android.settings.fuelgauge.BatteryUtils;
  27 import com.android.settings.fuelgauge.batterytip.BatteryTipPolicy;
  28 import com.android.settings.fuelgauge.batterytip.AppInfo;
  29 import com.android.settings.fuelgauge.BatteryInfo;
  30 import com.android.settings.fuelgauge.batterytip.HighUsageDataParser;
  31 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
  32 import com.android.settings.fuelgauge.batterytip.tips.HighUsageTip;
  33
  34 import java.util.ArrayList;
  35 import java.util.Collections;
  36 import java.util.List;
  37 import java.util.concurrent.TimeUnit;
  38
  39 /**
  40  * Detector whether to show summary tip. This detector should be executed as the last
  41  * {@link BatteryTipDetector} since it need the most up-to-date {@code visibleTips}
  42  */
  43 public class HighUsageDetector implements BatteryTipDetector {
  44     private BatteryTipPolicy mPolicy;
  45     private BatteryStatsHelper mBatteryStatsHelper;
  46     private List<AppInfo> mHighUsageAppList;
  47     private Context mContext;
  48     @VisibleForTesting
  49     HighUsageDataParser mDataParser;
  50     @VisibleForTesting
  51     BatteryUtils mBatteryUtils;
  52
  53     public HighUsageDetector(Context context, BatteryTipPolicy policy,
  54             BatteryStatsHelper batteryStatsHelper) {
  55         mContext = context;
  56         mPolicy = policy;
  57         mBatteryStatsHelper = batteryStatsHelper;
  58         mHighUsageAppList = new ArrayList<>();
  59         mBatteryUtils = BatteryUtils.getInstance(context);
  60         mDataParser = new HighUsageDataParser(mPolicy.highUsagePeriodMs,
  61                 mPolicy.highUsageBatteryDraining);
  62     }
  63
  64     @Override
  65     public BatteryTip detect() {
  66         final long lastFullChargeTimeMs = mBatteryUtils.calculateLastFullChargeTime(
  67                 mBatteryStatsHelper, System.currentTimeMillis());
  68         if (mPolicy.highUsageEnabled) {
  69             parseBatteryData();
  70             if (mDataParser.isDeviceHeavilyUsed() || mPolicy.testHighUsageTip) {
  71                 final List<BatterySipper> batterySippers = mBatteryStatsHelper.getUsageList();
  72                 for (int i = 0, size = batterySippers.size(); i < size; i++) {
  73                     final BatterySipper batterySipper = batterySippers.get(i);
  74                     if (!mBatteryUtils.shouldHideSipper(batterySipper)) {
  75                         final long foregroundTimeMs = mBatteryUtils.getProcessTimeMs(
  76                                 BatteryUtils.StatusType.FOREGROUND, batterySipper.uidObj,
  77                                 BatteryStats.STATS_SINCE_CHARGED);
  78                         if (foregroundTimeMs >= DateUtils.MINUTE_IN_MILLIS) {
  79                             mHighUsageAppList.add(new AppInfo.Builder()
  80                                     .setUid(batterySipper.getUid())
  81                                     .setPackageName(
  82                                             mBatteryUtils.getPackageName(batterySipper.getUid()))
  83                                     .setScreenOnTimeMs(foregroundTimeMs)
  84                                     .build());
  85                         }
  86                     }
  87                 }
  88
  89                 // When in test mode, add an app if necessary
  90                 if (mPolicy.testHighUsageTip && mHighUsageAppList.isEmpty()) {
  91                     mHighUsageAppList.add(new AppInfo.Builder()
  92                             .setPackageName("com.android.settings")
  93                             .setScreenOnTimeMs(TimeUnit.HOURS.toMillis(3))
  94                             .build());
  95                 }
  96
  97                 Collections.sort(mHighUsageAppList, Collections.reverseOrder());
  98                 mHighUsageAppList = mHighUsageAppList.subList(0,
  99                         Math.min(mPolicy.highUsageAppCount, mHighUsageAppList.size()));
 100             }
 101         }
 102
 103         return new HighUsageTip(lastFullChargeTimeMs, mHighUsageAppList);
 104     }
 105
 106     @VisibleForTesting
 107     void parseBatteryData() {
 108         BatteryInfo.parse(mBatteryStatsHelper.getStats(), mDataParser);
 109     }
 110 }