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.settings.utils.AsyncLoader; 26 import java.util.ArrayList; 27 import java.util.List; 28 29 public class DebugEstimatesLoader extends AsyncLoader<List<BatteryInfo>> { 30 private BatteryStatsHelper mStatsHelper; 31 DebugEstimatesLoader(Context context, BatteryStatsHelper statsHelper)32 public DebugEstimatesLoader(Context context, BatteryStatsHelper statsHelper) { 33 super(context); 34 mStatsHelper = statsHelper; 35 } 36 37 @Override onDiscardResult(List<BatteryInfo> result)38 protected void onDiscardResult(List<BatteryInfo> result) { 39 40 } 41 42 @Override loadInBackground()43 public List<BatteryInfo> loadInBackground() { 44 Context context = getContext(); 45 PowerUsageFeatureProvider powerUsageFeatureProvider = 46 FeatureFactory.getFactory(context).getPowerUsageFeatureProvider(context); 47 48 // get stuff we'll need for both BatteryInfo 49 final long elapsedRealtimeUs = BatteryUtils.convertMsToUs(SystemClock.elapsedRealtime()); 50 Intent batteryBroadcast = getContext().registerReceiver(null, 51 new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); 52 BatteryStats stats = mStatsHelper.getStats(); 53 54 BatteryInfo oldinfo = BatteryInfo.getBatteryInfoOld(getContext(), batteryBroadcast, 55 stats, elapsedRealtimeUs, false); 56 57 final long timeRemainingEnhanced = BatteryUtils.convertMsToUs( 58 powerUsageFeatureProvider.getEnhancedBatteryPrediction(getContext())); 59 BatteryInfo newinfo = BatteryInfo.getBatteryInfo(getContext(), batteryBroadcast, stats, 60 elapsedRealtimeUs, false, timeRemainingEnhanced, true); 61 62 List<BatteryInfo> infos = new ArrayList<>(); 63 infos.add(oldinfo); 64 infos.add(newinfo); 65 return infos; 66 } 67 } 68