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 20 import androidx.annotation.VisibleForTesting; 21 22 import com.android.internal.os.BatteryStatsHelper; 23 import com.android.settingslib.utils.AsyncLoaderCompat; 24 25 /** 26 * Loader that can be used by classes to load BatteryInfo in a background thread. This loader will 27 * automatically grab enhanced battery estimates if available or fall back to the system estimate 28 * when not available. 29 */ 30 public class BatteryInfoLoader extends AsyncLoaderCompat<BatteryInfo>{ 31 32 BatteryStatsHelper mStatsHelper; 33 private static final String LOG_TAG = "BatteryInfoLoader"; 34 35 @VisibleForTesting 36 BatteryUtils batteryUtils; 37 BatteryInfoLoader(Context context, BatteryStatsHelper batteryStatsHelper)38 public BatteryInfoLoader(Context context, BatteryStatsHelper batteryStatsHelper) { 39 super(context); 40 mStatsHelper = batteryStatsHelper; 41 batteryUtils = BatteryUtils.getInstance(context); 42 } 43 44 @Override onDiscardResult(BatteryInfo result)45 protected void onDiscardResult(BatteryInfo result) { 46 47 } 48 49 @Override loadInBackground()50 public BatteryInfo loadInBackground() { 51 return batteryUtils.getBatteryInfo(mStatsHelper, LOG_TAG); 52 } 53 } 54