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 17 package com.android.settings.fuelgauge; 18 19 import android.content.Context; 20 import android.os.BatteryStats; 21 import android.os.Bundle; 22 import android.os.UserManager; 23 import android.support.annotation.VisibleForTesting; 24 25 import com.android.internal.os.BatteryStatsHelper; 26 import com.android.settings.utils.AsyncLoader; 27 28 /** 29 * Loader to get new {@link BatteryStatsHelper} in the background 30 */ 31 public class BatteryStatsHelperLoader extends AsyncLoader<BatteryStatsHelper> { 32 @VisibleForTesting 33 UserManager mUserManager; 34 private Bundle mBundle; 35 BatteryStatsHelperLoader(Context context, Bundle bundle)36 public BatteryStatsHelperLoader(Context context, Bundle bundle) { 37 super(context); 38 mBundle = bundle; 39 mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE); 40 } 41 42 @Override loadInBackground()43 public BatteryStatsHelper loadInBackground() { 44 final BatteryStatsHelper statsHelper = new BatteryStatsHelper(getContext(), true); 45 46 initBatteryStatsHelper(statsHelper); 47 return statsHelper; 48 } 49 50 @Override onDiscardResult(BatteryStatsHelper result)51 protected void onDiscardResult(BatteryStatsHelper result) { 52 53 } 54 55 @VisibleForTesting initBatteryStatsHelper(BatteryStatsHelper statsHelper)56 void initBatteryStatsHelper(BatteryStatsHelper statsHelper) { 57 statsHelper.create(mBundle); 58 statsHelper.refreshStats(BatteryStats.STATS_SINCE_CHARGED, mUserManager.getUserProfiles()); 59 } 60 } 61