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 */
16package com.android.settings.fuelgauge;
17
18import android.content.Context;
19import android.content.Intent;
20import android.content.IntentFilter;
21import android.os.BatteryStats;
22import android.os.SystemClock;
23import com.android.internal.os.BatteryStatsHelper;
24import com.android.settings.overlay.FeatureFactory;
25import com.android.settingslib.utils.PowerUtil;
26import com.android.settingslib.utils.AsyncLoader;
27import java.util.ArrayList;
28import java.util.List;
29
30public class DebugEstimatesLoader extends AsyncLoader<List<BatteryInfo>> {
31    private BatteryStatsHelper mStatsHelper;
32
33    public DebugEstimatesLoader(Context context, BatteryStatsHelper statsHelper) {
34        super(context);
35        mStatsHelper = statsHelper;
36    }
37
38    @Override
39    protected void onDiscardResult(List<BatteryInfo> result) {
40
41    }
42
43    @Override
44    public List<BatteryInfo> loadInBackground() {
45        Context context = getContext();
46        PowerUsageFeatureProvider powerUsageFeatureProvider =
47                FeatureFactory.getFactory(context).getPowerUsageFeatureProvider(context);
48
49        // get stuff we'll need for both BatteryInfo
50        final long elapsedRealtimeUs = PowerUtil.convertMsToUs(
51                SystemClock.elapsedRealtime());
52        Intent batteryBroadcast = getContext().registerReceiver(null,
53                new IntentFilter(Intent.ACTION_BATTERY_CHANGED));
54        BatteryStats stats = mStatsHelper.getStats();
55
56        BatteryInfo oldinfo = BatteryInfo.getBatteryInfoOld(getContext(), batteryBroadcast,
57                stats, elapsedRealtimeUs, false);
58
59        Estimate estimate = powerUsageFeatureProvider.getEnhancedBatteryPrediction(context);
60        if (estimate == null) {
61            estimate = new Estimate(0, false, Estimate.AVERAGE_TIME_TO_DISCHARGE_UNKNOWN);
62        }
63        BatteryInfo newInfo = BatteryInfo.getBatteryInfo(getContext(), batteryBroadcast, stats,
64                estimate, elapsedRealtimeUs, false);
65
66        List<BatteryInfo> infos = new ArrayList<>();
67        infos.add(oldinfo);
68        infos.add(newInfo);
69        return infos;
70    }
71}
72