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
  38 /**
  39  * Detector whether to show summary tip. This detector should be executed as the last
  40  * {@link BatteryTipDetector} since it need the most up-to-date {@code visibleTips}
  41  */
  42 public class HighUsageDetector implements BatteryTipDetector {
  43     private BatteryTipPolicy mPolicy;
  44     private BatteryStatsHelper mBatteryStatsHelper;
  45     private List<AppInfo> mHighUsageAppList;
  46     private Context mContext;
  47     @VisibleForTesting
  48     HighUsageDataParser mDataParser;
  49     @VisibleForTesting
  50     BatteryUtils mBatteryUtils;
  51
  52     public HighUsageDetector(Context context, BatteryTipPolicy policy,
  53             BatteryStatsHelper batteryStatsHelper) {
  54         mContext = context;
  55         mPolicy = policy;
  56         mBatteryStatsHelper = batteryStatsHelper;
  57         mHighUsageAppList = new ArrayList<>();
  58         mBatteryUtils = BatteryUtils.getInstance(context);
  59         mDataParser = new HighUsageDataParser(mPolicy.highUsagePeriodMs,
  60                 mPolicy.highUsageBatteryDraining);
  61     }
  62
  63     @Override
  64     public BatteryTip detect() {
  65         final long screenUsageTimeMs = mBatteryUtils.calculateScreenUsageTime(mBatteryStatsHelper);
  66         if (mPolicy.highUsageEnabled) {
  67             parseBatteryData();
  68             if (mDataParser.isDeviceHeavilyUsed()) {
  69                 final List<BatterySipper> batterySippers = mBatteryStatsHelper.getUsageList();
  70                 for (int i = 0, size = batterySippers.size(); i < size; i++) {
  71                     final BatterySipper batterySipper = batterySippers.get(i);
  72                     if (!mBatteryUtils.shouldHideSipper(batterySipper)) {
  73                         final long foregroundTimeMs = mBatteryUtils.getProcessTimeMs(
  74                                 BatteryUtils.StatusType.FOREGROUND, batterySipper.uidObj,
  75                                 BatteryStats.STATS_SINCE_CHARGED);
  76                         if (foregroundTimeMs >= DateUtils.MINUTE_IN_MILLIS) {
  77                             mHighUsageAppList.add(new AppInfo.Builder()
  78                                     .setUid(batterySipper.getUid())
  79                                     .setPackageName(
  80                                             mBatteryUtils.getPackageName(batterySipper.getUid()))
  81                                     .setScreenOnTimeMs(foregroundTimeMs)
  82                                     .build());
  83                         }
  84                     }
  85                 }
  86
  87                 Collections.sort(mHighUsageAppList, Collections.reverseOrder());
  88                 mHighUsageAppList = mHighUsageAppList.subList(0,
  89                         Math.min(mPolicy.highUsageAppCount, mHighUsageAppList.size()));
  90             }
  91         }
  92
  93         return new HighUsageTip(screenUsageTimeMs, mHighUsageAppList);
  94     }
  95
  96     @VisibleForTesting
  97     void parseBatteryData() {
  98         BatteryInfo.parse(mBatteryStatsHelper.getStats(), mDataParser);
  99     }
 100 }