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
  23 import com.android.internal.os.BatterySipper;
  24 import com.android.internal.os.BatteryStatsHelper;
  25 import com.android.settings.fuelgauge.BatteryUtils;
  26 import com.android.settings.fuelgauge.batterytip.BatteryTipPolicy;
  27 import com.android.settings.fuelgauge.batterytip.AppInfo;
  28 import com.android.settings.fuelgauge.BatteryInfo;
  29 import com.android.settings.fuelgauge.batterytip.HighUsageDataParser;
  30 import com.android.settings.fuelgauge.batterytip.tips.BatteryTip;
  31 import com.android.settings.fuelgauge.batterytip.tips.HighUsageTip;
  32
  33 import java.util.ArrayList;
  34 import java.util.Collections;
  35 import java.util.List;
  36
  37 /**
  38  * Detector whether to show summary tip. This detector should be executed as the last
  39  * {@link BatteryTipDetector} since it need the most up-to-date {@code visibleTips}
  40  */
  41 public class HighUsageDetector implements BatteryTipDetector {
  42     private BatteryTipPolicy mPolicy;
  43     private BatteryStatsHelper mBatteryStatsHelper;
  44     private List<AppInfo> mHighUsageAppList;
  45     private Context mContext;
  46     @VisibleForTesting
  47     HighUsageDataParser mDataParser;
  48     @VisibleForTesting
  49     BatteryUtils mBatteryUtils;
  50
  51     public HighUsageDetector(Context context, BatteryTipPolicy policy,
  52             BatteryStatsHelper batteryStatsHelper) {
  53         mContext = context;
  54         mPolicy = policy;
  55         mBatteryStatsHelper = batteryStatsHelper;
  56         mHighUsageAppList = new ArrayList<>();
  57         mBatteryUtils = BatteryUtils.getInstance(context);
  58         mDataParser = new HighUsageDataParser(mPolicy.highUsagePeriodMs,
  59                 mPolicy.highUsageBatteryDraining);
  60     }
  61
  62     @Override
  63     public BatteryTip detect() {
  64         final long screenUsageTimeMs = mBatteryUtils.calculateScreenUsageTime(mBatteryStatsHelper);
  65         if (mPolicy.highUsageEnabled) {
  66             parseBatteryData();
  67             if (mDataParser.isDeviceHeavilyUsed()) {
  68                 final List<BatterySipper> batterySippers = mBatteryStatsHelper.getUsageList();
  69                 for (int i = 0, size = batterySippers.size(); i < size; i++) {
  70                     final BatterySipper batterySipper = batterySippers.get(i);
  71                     if (!mBatteryUtils.shouldHideSipper(batterySipper)) {
  72                         final long foregroundTimeMs = mBatteryUtils.getProcessTimeMs(
  73                                 BatteryUtils.StatusType.FOREGROUND, batterySipper.uidObj,
  74                                 BatteryStats.STATS_SINCE_CHARGED);
  75                         mHighUsageAppList.add(new AppInfo.Builder()
  76                                 .setUid(batterySipper.getUid())
  77                                 .setPackageName(
  78                                         mBatteryUtils.getPackageName(batterySipper.getUid()))
  79                                 .setScreenOnTimeMs(foregroundTimeMs)
  80                                 .build());
  81                     }
  82                 }
  83
  84                 mHighUsageAppList = mHighUsageAppList.subList(0,
  85                         Math.min(mPolicy.highUsageAppCount, mHighUsageAppList.size()));
  86                 Collections.sort(mHighUsageAppList, Collections.reverseOrder());
  87             }
  88         }
  89
  90         return new HighUsageTip(screenUsageTimeMs, mHighUsageAppList);
  91     }
  92
  93     @VisibleForTesting
  94     void parseBatteryData() {
  95         BatteryInfo.parse(mBatteryStatsHelper.getStats(), mDataParser);
  96     }
  97 }