| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.internal.os; |
| |
| import android.os.BatteryStats; |
| |
| /** |
| * Calculates power use of a device subsystem for an app. |
| */ |
| public abstract class PowerCalculator { |
| /** |
| * Calculate the amount of power an app used for this subsystem. |
| * @param app The BatterySipper that represents the power use of an app. |
| * @param u The recorded stats for the app. |
| * @param rawRealtimeUs The raw system realtime in microseconds. |
| * @param rawUptimeUs The raw system uptime in microseconds. |
| * @param statsType The type of stats. Can be {@link BatteryStats#STATS_CURRENT}, |
| * {@link BatteryStats#STATS_SINCE_CHARGED}, or |
| * {@link BatteryStats#STATS_SINCE_UNPLUGGED}. |
| */ |
| public abstract void calculateApp(BatterySipper app, BatteryStats.Uid u, long rawRealtimeUs, |
| long rawUptimeUs, int statsType); |
| |
| /** |
| * Calculate the remaining power that can not be attributed to an app. |
| * @param app The BatterySipper that will represent this remaining power. |
| * @param stats The BatteryStats object from which to retrieve data. |
| * @param rawRealtimeUs The raw system realtime in microseconds. |
| * @param rawUptimeUs The raw system uptime in microseconds. |
| * @param statsType The type of stats. Can be {@link BatteryStats#STATS_CURRENT}, |
| * {@link BatteryStats#STATS_SINCE_CHARGED}, or |
| * {@link BatteryStats#STATS_SINCE_UNPLUGGED}. |
| */ |
| public void calculateRemaining(BatterySipper app, BatteryStats stats, long rawRealtimeUs, |
| long rawUptimeUs, int statsType) { |
| } |
| |
| /** |
| * Reset any state maintained in this calculator. |
| */ |
| public void reset() { |
| } |
| } |