1 /* 2 * Copyright (C) 2017 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 package com.android.settings.fuelgauge; 17 18 import android.content.Context; 19 import android.content.Intent; 20 import android.content.IntentFilter; 21 import android.os.BatteryStats; 22 import android.os.SystemClock; 23 import com.android.internal.os.BatteryStatsHelper; 24 import com.android.settings.overlay.FeatureFactory; 25 import com.android.settingslib.utils.PowerUtil; 26 import com.android.settingslib.utils.AsyncLoader; 27 import java.util.ArrayList; 28 import java.util.List; 29 30 public class DebugEstimatesLoader extends AsyncLoader<List<BatteryInfo>> { 31 private BatteryStatsHelper mStatsHelper; 32 DebugEstimatesLoader(Context context, BatteryStatsHelper statsHelper)33 public DebugEstimatesLoader(Context context, BatteryStatsHelper statsHelper) { 34 super(context); 35 mStatsHelper = statsHelper; 36 } 37 38 @Override onDiscardResult(List<BatteryInfo> result)39 protected void onDiscardResult(List<BatteryInfo> result) { 40 41 } 42 43 @Override loadInBackground()44 public List<BatteryInfo> loadInBackground() { 45 Context context = getContext(); 46 PowerUsageFeatureProvider powerUsageFeatureProvider = 47 FeatureFactory.getFactory(context).getPowerUsageFeatureProvider(context); 48 49 // get stuff we'll need for both BatteryInfo 50 final long elapsedRealtimeUs = PowerUtil.convertMsToUs( 51 SystemClock.elapsedRealtime()); 52 Intent batteryBroadcast = getContext().registerReceiver(null, 53 new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); 54 BatteryStats stats = mStatsHelper.getStats(); 55 56 BatteryInfo oldinfo = BatteryInfo.getBatteryInfoOld(getContext(), batteryBroadcast, 57 stats, elapsedRealtimeUs, false); 58 59 Estimate estimate = powerUsageFeatureProvider.getEnhancedBatteryPrediction(context); 60 if (estimate == null) { 61 estimate = new Estimate(0, false, Estimate.AVERAGE_TIME_TO_DISCHARGE_UNKNOWN); 62 } 63 BatteryInfo newInfo = BatteryInfo.getBatteryInfo(getContext(), batteryBroadcast, stats, 64 estimate, elapsedRealtimeUs, false); 65 66 List<BatteryInfo> infos = new ArrayList<>(); 67 infos.add(oldinfo); 68 infos.add(newInfo); 69 return infos; 70 } 71 } 72