| /* |
| * Copyright (C) 2006-2007 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.server.am; |
| |
| import com.android.internal.app.IBatteryStats; |
| import com.android.internal.os.BatteryStatsImpl; |
| |
| import android.content.Context; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.Process; |
| import android.os.ServiceManager; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| |
| /** |
| * All information we are collecting about things that can happen that impact |
| * battery life. |
| */ |
| public final class BatteryStatsService extends IBatteryStats.Stub { |
| static IBatteryStats sService; |
| |
| final BatteryStatsImpl mStats; |
| Context mContext; |
| |
| BatteryStatsService(String filename) { |
| mStats = new BatteryStatsImpl(filename); |
| } |
| |
| public void publish(Context context) { |
| mContext = context; |
| ServiceManager.addService("batteryinfo", asBinder()); |
| } |
| |
| public static IBatteryStats getService() { |
| if (sService != null) { |
| return sService; |
| } |
| IBinder b = ServiceManager.getService("batteryinfo"); |
| sService = asInterface(b); |
| return sService; |
| } |
| |
| /** |
| * @return the current statistics object, which may be modified |
| * to reflect events that affect battery usage. |
| */ |
| public BatteryStatsImpl getActiveStatistics() { |
| return mStats; |
| } |
| |
| public BatteryStatsImpl getStatistics() { |
| mContext.enforceCallingPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| return mStats; |
| } |
| |
| public void noteStartWakelock(int uid, String name, int type) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.getUidStatsLocked(uid).noteStartWakeLocked(name, type); |
| } |
| } |
| |
| public void noteStopWakelock(int uid, String name, int type) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.getUidStatsLocked(uid).noteStopWakeLocked(name, type); |
| } |
| } |
| |
| public void noteStartSensor(int uid, String name, int sensor) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.getUidStatsLocked(uid).noteStartSensor(name, sensor); |
| } |
| } |
| |
| public void noteStopSensor(int uid, String name, int sensor) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.getUidStatsLocked(uid).noteStopSensor(name, sensor); |
| } |
| } |
| |
| public void noteStartGps(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStartGps(uid); |
| } |
| } |
| |
| public void noteStopGps(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteStopGps(uid); |
| } |
| } |
| |
| public void noteRequestGpsOn(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteRequestGpsOn(uid); |
| } |
| } |
| |
| public void noteRequestGpsOff(int uid) { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteRequestGpsOff(uid); |
| } |
| } |
| |
| public void noteScreenOn() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteScreenOn(); |
| } |
| } |
| |
| public void noteScreenOff() { |
| enforceCallingPermission(); |
| synchronized (mStats) { |
| mStats.noteScreenOff(); |
| } |
| } |
| |
| public boolean isOnBattery() { |
| return mStats.isOnBattery(); |
| } |
| |
| public void setOnBattery(boolean onBattery) { |
| enforceCallingPermission(); |
| mStats.setOnBattery(onBattery); |
| } |
| |
| public long getAwakeTimeBattery() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| return mStats.getAwakeTimeBattery(); |
| } |
| |
| public long getAwakeTimePlugged() { |
| mContext.enforceCallingOrSelfPermission( |
| android.Manifest.permission.BATTERY_STATS, null); |
| return mStats.getAwakeTimePlugged(); |
| } |
| |
| public void enforceCallingPermission() { |
| if (Binder.getCallingPid() == Process.myPid()) { |
| return; |
| } |
| mContext.enforcePermission(android.Manifest.permission.UPDATE_DEVICE_STATS, |
| Binder.getCallingPid(), Binder.getCallingUid(), null); |
| } |
| |
| @Override |
| protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| synchronized (this) { |
| mStats.dumpLocked(fd, pw, args); |
| } |
| } |
| } |