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