131 lines
3.7 KiB
Java
131 lines
3.7 KiB
Java
/*
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* Copyright (C) 2006-2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.am;
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import com.android.internal.app.IBatteryStats;
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import com.android.internal.os.BatteryStatsImpl;
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import android.content.Context;
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import android.os.Binder;
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import android.os.IBinder;
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import android.os.Process;
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import android.os.ServiceManager;
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import java.io.FileDescriptor;
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import java.io.PrintWriter;
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/**
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* All information we are collecting about things that can happen that impact
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* battery life.
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*/
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public final class BatteryStatsService extends IBatteryStats.Stub {
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static IBatteryStats sService;
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final BatteryStatsImpl mStats;
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Context mContext;
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BatteryStatsService(String filename) {
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mStats = new BatteryStatsImpl(filename);
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}
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public void publish(Context context) {
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mContext = context;
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ServiceManager.addService("batteryinfo", asBinder());
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}
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public static IBatteryStats getService() {
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if (sService != null) {
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return sService;
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}
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IBinder b = ServiceManager.getService("batteryinfo");
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sService = asInterface(b);
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return sService;
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}
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/**
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* @return the current statistics object, which may be modified
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* to reflect events that affect battery usage.
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*/
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public BatteryStatsImpl getActiveStatistics() {
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return mStats;
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}
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public BatteryStatsImpl getStatistics() {
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return mStats;
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}
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public void noteStartWakelock(int uid, String name, int type) {
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enforceCallingPermission();
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synchronized (mStats) {
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mStats.getUidStatsLocked(uid).noteStartWakeLocked(name, type);
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}
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}
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public void noteStopWakelock(int uid, String name, int type) {
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enforceCallingPermission();
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synchronized (mStats) {
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mStats.getUidStatsLocked(uid).noteStopWakeLocked(name, type);
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}
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}
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public void noteStartSensor(int uid, int sensor) {
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enforceCallingPermission();
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synchronized (mStats) {
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mStats.getUidStatsLocked(uid).noteStartSensor(sensor);
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}
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}
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public void noteStopSensor(int uid, int sensor) {
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enforceCallingPermission();
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synchronized (mStats) {
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mStats.getUidStatsLocked(uid).noteStopSensor(sensor);
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}
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}
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public boolean isOnBattery() {
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return mStats.isOnBattery();
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}
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public void setOnBattery(boolean onBattery) {
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enforceCallingPermission();
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mStats.setOnBattery(onBattery);
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}
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public long getAwakeTimeBattery() {
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return mStats.getAwakeTimeBattery();
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}
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public long getAwakeTimePlugged() {
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return mStats.getAwakeTimePlugged();
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}
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public void enforceCallingPermission() {
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if (Binder.getCallingPid() == Process.myPid()) {
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return;
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}
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mContext.enforcePermission(android.Manifest.permission.BATTERY_STATS,
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Binder.getCallingPid(), Binder.getCallingUid(), null);
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}
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@Override
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protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
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synchronized (this) {
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mStats.dumpLocked(fd, pw, args);
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}
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}
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}
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