Home | History | Annotate | Download | only in fuelgauge
      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 
     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
     43     public BatteryStatsHelper loadInBackground() {
     44         final BatteryStatsHelper statsHelper = new BatteryStatsHelper(getContext(), true);
     45 
     46         initBatteryStatsHelper(statsHelper);
     47         return statsHelper;
     48     }
     49 
     50     @Override
     51     protected void onDiscardResult(BatteryStatsHelper result) {
     52 
     53     }
     54 
     55     @VisibleForTesting
     56     void initBatteryStatsHelper(BatteryStatsHelper statsHelper) {
     57         statsHelper.create(mBundle);
     58         statsHelper.refreshStats(BatteryStats.STATS_SINCE_CHARGED, mUserManager.getUserProfiles());
     59     }
     60 }
     61