/*
* 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.server;
import android.Manifest;
import android.app.ActivityManagerNative;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.database.ContentObserver;
import android.hardware.Sensor;
import android.hardware.SensorManager;
import android.hardware.TriggerEvent;
import android.hardware.TriggerEventListener;
import android.hardware.display.DisplayManager;
import android.net.INetworkPolicyManager;
import android.net.Uri;
import android.os.BatteryStats;
import android.os.Binder;
import android.os.Environment;
import android.os.FileUtils;
import android.os.Handler;
import android.os.IDeviceIdleController;
import android.os.Looper;
import android.os.Message;
import android.os.PowerManager;
import android.os.PowerManagerInternal;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.os.UserHandle;
import android.provider.Settings;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.KeyValueListParser;
import android.util.MutableLong;
import android.util.Pair;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseBooleanArray;
import android.util.TimeUtils;
import android.util.Xml;
import android.view.Display;
import com.android.internal.app.IBatteryStats;
import com.android.internal.os.AtomicFile;
import com.android.internal.os.BackgroundThread;
import com.android.internal.util.FastXmlSerializer;
import com.android.internal.util.XmlUtils;
import com.android.server.am.BatteryStatsService;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import org.xmlpull.v1.XmlSerializer;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
/**
* Keeps track of device idleness and drives low power mode based on that.
*/
public class DeviceIdleController extends SystemService
implements AnyMotionDetector.DeviceIdleCallback {
private static final String TAG = "DeviceIdleController";
private static final boolean DEBUG = false;
private static final boolean COMPRESS_TIME = false;
private static final String ACTION_STEP_IDLE_STATE =
"com.android.server.device_idle.STEP_IDLE_STATE";
private AlarmManager mAlarmManager;
private IBatteryStats mBatteryStats;
private PowerManagerInternal mLocalPowerManager;
private INetworkPolicyManager mNetworkPolicyManager;
private DisplayManager mDisplayManager;
private SensorManager mSensorManager;
private Sensor mSigMotionSensor;
private PendingIntent mSensingAlarmIntent;
private PendingIntent mAlarmIntent;
private Intent mIdleIntent;
private Display mCurDisplay;
private AnyMotionDetector mAnyMotionDetector;
private boolean mEnabled;
private boolean mForceIdle;
private boolean mScreenOn;
private boolean mCharging;
private boolean mSigMotionActive;
/** Device is currently active. */
private static final int STATE_ACTIVE = 0;
/** Device is inactve (screen off, no motion) and we are waiting to for idle. */
private static final int STATE_INACTIVE = 1;
/** Device is past the initial inactive period, and waiting for the next idle period. */
private static final int STATE_IDLE_PENDING = 2;
/** Device is currently sensing motion. */
private static final int STATE_SENSING = 3;
/** Device is in the idle state, trying to stay asleep as much as possible. */
private static final int STATE_IDLE = 4;
/** Device is in the idle state, but temporarily out of idle to do regular maintenance. */
private static final int STATE_IDLE_MAINTENANCE = 5;
private static String stateToString(int state) {
switch (state) {
case STATE_ACTIVE: return "ACTIVE";
case STATE_INACTIVE: return "INACTIVE";
case STATE_IDLE_PENDING: return "IDLE_PENDING";
case STATE_SENSING: return "SENSING";
case STATE_IDLE: return "IDLE";
case STATE_IDLE_MAINTENANCE: return "IDLE_MAINTENANCE";
default: return Integer.toString(state);
}
}
private int mState;
private long mInactiveTimeout;
private long mNextAlarmTime;
private long mNextIdlePendingDelay;
private long mNextIdleDelay;
public final AtomicFile mConfigFile;
/**
* Package names the system has white-listed to opt out of power save restrictions,
* except for device idle mode.
*/
private final ArrayMap<String, Integer> mPowerSaveWhitelistAppsExceptIdle = new ArrayMap<>();
/**
* Package names the system has white-listed to opt out of power save restrictions for
* all modes.
*/
private final ArrayMap<String, Integer> mPowerSaveWhitelistApps = new ArrayMap<>();
/**
* Package names the user has white-listed to opt out of power save restrictions.
*/
private final ArrayMap<String, Integer> mPowerSaveWhitelistUserApps = new ArrayMap<>();
/**
* App IDs of built-in system apps that have been white-listed except for idle modes.
*/
private final SparseBooleanArray mPowerSaveWhitelistSystemAppIdsExceptIdle
= new SparseBooleanArray();
/**
* App IDs of built-in system apps that have been white-listed.
*/
private final SparseBooleanArray mPowerSaveWhitelistSystemAppIds = new SparseBooleanArray();
/**
* App IDs that have been white-listed to opt out of power save restrictions, except
* for device idle modes.
*/
private final SparseBooleanArray mPowerSaveWhitelistExceptIdleAppIds = new SparseBooleanArray();
/**
* Current app IDs that are in the complete power save white list, but shouldn't be
* excluded from idle modes. This array can be shared with others because it will not be
* modified once set.
*/
private int[] mPowerSaveWhitelistExceptIdleAppIdArray = new int[0];
/**
* App IDs that have been white-listed to opt out of power save restrictions.
*/
private final SparseBooleanArray mPowerSaveWhitelistAllAppIds = new SparseBooleanArray();
/**
* Current app IDs that are in the complete power save white list. This array can
* be shared with others because it will not be modified once set.
*/
private int[] mPowerSaveWhitelistAllAppIdArray = new int[0];
/**
* List of end times for UIDs that are temporarily marked as being allowed to access
* the network and acquire wakelocks. Times are in milliseconds.
*/
private final SparseArray<Pair<MutableLong, String>> mTempWhitelistAppIdEndTimes
= new SparseArray<>();
/**
* Callback to the NetworkPolicyManagerService to tell it that the temp whitelist has changed.
*/
Runnable mNetworkPolicyTempWhitelistCallback;
/**
* Current app IDs of temporarily whitelist apps for high-priority messages.
*/
private int[] mTempWhitelistAppIdArray = new int[0];
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override public void onReceive(Context context, Intent intent) {
if (Intent.ACTION_BATTERY_CHANGED.equals(intent.getAction())) {
int plugged = intent.getIntExtra("plugged", 0);
updateChargingLocked(plugged != 0);
} else if (ACTION_STEP_IDLE_STATE.equals(intent.getAction())) {
synchronized (DeviceIdleController.this) {
stepIdleStateLocked();
}
}
}
};
private final DisplayManager.DisplayListener mDisplayListener
= new DisplayManager.DisplayListener() {
@Override public void onDisplayAdded(int displayId) {
}
@Override public void onDisplayRemoved(int displayId) {
}
@Override public void onDisplayChanged(int displayId) {
if (displayId == Display.DEFAULT_DISPLAY) {
synchronized (DeviceIdleController.this) {
updateDisplayLocked();
}
}
}
};
private final TriggerEventListener mSigMotionListener = new TriggerEventListener() {
@Override public void onTrigger(TriggerEvent event) {
synchronized (DeviceIdleController.this) {
significantMotionLocked();
}
}
};
/**
* All times are in milliseconds. These constants are kept synchronized with the system
* global Settings. Any access to this class or its fields should be done while
* holding the DeviceIdleController lock.
*/
private final class Constants extends ContentObserver {
// Key names stored in the settings value.
private static final String KEY_INACTIVE_TIMEOUT = "inactive_to";
private static final String KEY_SENSING_TIMEOUT = "sensing_to";
private static final String KEY_MOTION_INACTIVE_TIMEOUT = "motion_inactive_to";
private static final String KEY_IDLE_AFTER_INACTIVE_TIMEOUT = "idle_after_inactive_to";
private static final String KEY_IDLE_PENDING_TIMEOUT = "idle_pending_to";
private static final String KEY_MAX_IDLE_PENDING_TIMEOUT = "max_idle_pending_to";
private static final String KEY_IDLE_PENDING_FACTOR = "idle_pending_factor";
private static final String KEY_IDLE_TIMEOUT = "idle_to";
private static final String KEY_MAX_IDLE_TIMEOUT = "max_idle_to";
private static final String KEY_IDLE_FACTOR = "idle_factor";
private static final String KEY_MIN_TIME_TO_ALARM = "min_time_to_alarm";
private static final String KEY_MAX_TEMP_APP_WHITELIST_DURATION =
"max_temp_app_whitelist_duration";
private static final String KEY_MMS_TEMP_APP_WHITELIST_DURATION =
"mms_temp_app_whitelist_duration";
private static final String KEY_SMS_TEMP_APP_WHITELIST_DURATION =
"sms_temp_app_whitelist_duration";
/**
* This is the time, after becoming inactive, at which we start looking at the
* motion sensor to determine if the device is being left alone. We don't do this
* immediately after going inactive just because we don't want to be continually running
* the significant motion sensor whenever the screen is off.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_INACTIVE_TIMEOUT
*/
public long INACTIVE_TIMEOUT;
/**
* If we don't receive a callback from AnyMotion in this amount of time, we will change from
* STATE_SENSING to STATE_INACTIVE, and any AnyMotion callbacks while not in STATE_SENSING
* will be ignored.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_SENSING_TIMEOUT
*/
public long SENSING_TIMEOUT;
/**
* This is the time, after seeing motion, that we wait after becoming inactive from
* that until we start looking for motion again.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_MOTION_INACTIVE_TIMEOUT
*/
public long MOTION_INACTIVE_TIMEOUT;
/**
* This is the time, after the inactive timeout elapses, that we will wait looking
* for significant motion until we truly consider the device to be idle.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_IDLE_AFTER_INACTIVE_TIMEOUT
*/
public long IDLE_AFTER_INACTIVE_TIMEOUT;
/**
* This is the initial time, after being idle, that we will allow ourself to be back
* in the IDLE_PENDING state allowing the system to run normally until we return to idle.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_IDLE_PENDING_TIMEOUT
*/
public long IDLE_PENDING_TIMEOUT;
/**
* Maximum pending idle timeout (time spent running) we will be allowed to use.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_MAX_IDLE_PENDING_TIMEOUT
*/
public long MAX_IDLE_PENDING_TIMEOUT;
/**
* Scaling factor to apply to current pending idle timeout each time we cycle through
* that state.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_IDLE_PENDING_FACTOR
*/
public float IDLE_PENDING_FACTOR;
/**
* This is the initial time that we want to sit in the idle state before waking up
* again to return to pending idle and allowing normal work to run.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_IDLE_TIMEOUT
*/
public long IDLE_TIMEOUT;
/**
* Maximum idle duration we will be allowed to use.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_MAX_IDLE_TIMEOUT
*/
public long MAX_IDLE_TIMEOUT;
/**
* Scaling factor to apply to current idle timeout each time we cycle through that state.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_IDLE_FACTOR
*/
public float IDLE_FACTOR;
/**
* This is the minimum time we will allow until the next upcoming alarm for us to
* actually go in to idle mode.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_MIN_TIME_TO_ALARM
*/
public long MIN_TIME_TO_ALARM;
/**
* Max amount of time to temporarily whitelist an app when it receives a high priority
* tickle.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_MAX_TEMP_APP_WHITELIST_DURATION
*/
public long MAX_TEMP_APP_WHITELIST_DURATION;
/**
* Amount of time we would like to whitelist an app that is receiving an MMS.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_MMS_TEMP_APP_WHITELIST_DURATION
*/
public long MMS_TEMP_APP_WHITELIST_DURATION;
/**
* Amount of time we would like to whitelist an app that is receiving an SMS.
* @see Settings.Global#DEVICE_IDLE_CONSTANTS
* @see #KEY_SMS_TEMP_APP_WHITELIST_DURATION
*/
public long SMS_TEMP_APP_WHITELIST_DURATION;
private final ContentResolver mResolver;
private final KeyValueListParser mParser = new KeyValueListParser(',');
public Constants(Handler handler, ContentResolver resolver) {
super(handler);
mResolver = resolver;
mResolver.registerContentObserver(
Settings.Global.getUriFor(Settings.Global.DEVICE_IDLE_CONSTANTS), false, this);
updateConstants();
}
@Override
public void onChange(boolean selfChange, Uri uri) {
updateConstants();
}
private void updateConstants() {
synchronized (DeviceIdleController.this) {
try {
mParser.setString(Settings.Global.getString(mResolver,
Settings.Global.DEVICE_IDLE_CONSTANTS));
} catch (IllegalArgumentException e) {
// Failed to parse the settings string, log this and move on
// with defaults.
Slog.e(TAG, "Bad device idle settings", e);
}
INACTIVE_TIMEOUT = mParser.getLong(KEY_INACTIVE_TIMEOUT,
!COMPRESS_TIME ? 30 * 60 * 1000L : 3 * 60 * 1000L);
SENSING_TIMEOUT = mParser.getLong(KEY_SENSING_TIMEOUT,
!DEBUG ? 5 * 60 * 1000L : 60 * 1000L);
MOTION_INACTIVE_TIMEOUT = mParser.getLong(KEY_MOTION_INACTIVE_TIMEOUT,
!COMPRESS_TIME ? 10 * 60 * 1000L : 60 * 1000L);
IDLE_AFTER_INACTIVE_TIMEOUT = mParser.getLong(KEY_IDLE_AFTER_INACTIVE_TIMEOUT,
!COMPRESS_TIME ? 30 * 60 * 1000L : 3 * 60 * 1000L);
IDLE_PENDING_TIMEOUT = mParser.getLong(KEY_IDLE_PENDING_TIMEOUT,
!COMPRESS_TIME ? 5 * 60 * 1000L : 30 * 1000L);
MAX_IDLE_PENDING_TIMEOUT = mParser.getLong(KEY_MAX_IDLE_PENDING_TIMEOUT,
!COMPRESS_TIME ? 10 * 60 * 1000L : 60 * 1000L);
IDLE_PENDING_FACTOR = mParser.getFloat(KEY_IDLE_PENDING_FACTOR,
2f);
IDLE_TIMEOUT = mParser.getLong(KEY_IDLE_TIMEOUT,
!COMPRESS_TIME ? 60 * 60 * 1000L : 6 * 60 * 1000L);
MAX_IDLE_TIMEOUT = mParser.getLong(KEY_MAX_IDLE_TIMEOUT,
!COMPRESS_TIME ? 6 * 60 * 60 * 1000L : 30 * 60 * 1000L);
IDLE_FACTOR = mParser.getFloat(KEY_IDLE_FACTOR,
2f);
MIN_TIME_TO_ALARM = mParser.getLong(KEY_MIN_TIME_TO_ALARM,
!COMPRESS_TIME ? 60 * 60 * 1000L : 6 * 60 * 1000L);
MAX_TEMP_APP_WHITELIST_DURATION = mParser.getLong(
KEY_MAX_TEMP_APP_WHITELIST_DURATION, 5 * 60 * 1000L);
MMS_TEMP_APP_WHITELIST_DURATION = mParser.getLong(
KEY_MMS_TEMP_APP_WHITELIST_DURATION, 60 * 1000L);
SMS_TEMP_APP_WHITELIST_DURATION = mParser.getLong(
KEY_SMS_TEMP_APP_WHITELIST_DURATION, 20 * 1000L);
}
}
void dump(PrintWriter pw) {
pw.println(" Settings:");
pw.print(" "); pw.print(KEY_INACTIVE_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(INACTIVE_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_SENSING_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(SENSING_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_MOTION_INACTIVE_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(MOTION_INACTIVE_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_IDLE_AFTER_INACTIVE_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(IDLE_AFTER_INACTIVE_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_IDLE_PENDING_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(IDLE_PENDING_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_MAX_IDLE_PENDING_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(MAX_IDLE_PENDING_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_IDLE_PENDING_FACTOR); pw.print("=");
pw.println(IDLE_PENDING_FACTOR);
pw.print(" "); pw.print(KEY_IDLE_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(IDLE_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_MAX_IDLE_TIMEOUT); pw.print("=");
TimeUtils.formatDuration(MAX_IDLE_TIMEOUT, pw);
pw.println();
pw.print(" "); pw.print(KEY_IDLE_FACTOR); pw.print("=");
pw.println(IDLE_FACTOR);
pw.print(" "); pw.print(KEY_MIN_TIME_TO_ALARM); pw.print("=");
TimeUtils.formatDuration(MIN_TIME_TO_ALARM, pw);
pw.println();
pw.print(" "); pw.print(KEY_MAX_TEMP_APP_WHITELIST_DURATION); pw.print("=");
TimeUtils.formatDuration(MAX_TEMP_APP_WHITELIST_DURATION, pw);
pw.println();
pw.print(" "); pw.print(KEY_MMS_TEMP_APP_WHITELIST_DURATION); pw.print("=");
TimeUtils.formatDuration(MMS_TEMP_APP_WHITELIST_DURATION, pw);
pw.println();
pw.print(" "); pw.print(KEY_SMS_TEMP_APP_WHITELIST_DURATION); pw.print("=");
TimeUtils.formatDuration(SMS_TEMP_APP_WHITELIST_DURATION, pw);
pw.println();
}
}
private Constants mConstants;
@Override
public void onAnyMotionResult(int result) {
if (DEBUG) Slog.d(TAG, "onAnyMotionResult(" + result + ")");
if (mState == STATE_SENSING) {
if (result == AnyMotionDetector.RESULT_STATIONARY) {
if (DEBUG) Slog.d(TAG, "RESULT_STATIONARY received.");
synchronized (this) {
stepIdleStateLocked();
}
} else if (result == AnyMotionDetector.RESULT_MOVED) {
if (DEBUG) Slog.d(TAG, "RESULT_MOVED received.");
synchronized (this) {
EventLogTags.writeDeviceIdle(mState, "sense_moved");
enterInactiveStateLocked();
}
}
}
}
static final int MSG_WRITE_CONFIG = 1;
static final int MSG_REPORT_IDLE_ON = 2;
static final int MSG_REPORT_IDLE_OFF = 3;
static final int MSG_REPORT_ACTIVE = 4;
static final int MSG_TEMP_APP_WHITELIST_TIMEOUT = 5;
final class MyHandler extends Handler {
MyHandler(Looper looper) {
super(looper);
}
@Override public void handleMessage(Message msg) {
if (DEBUG) Slog.d(TAG, "handleMessage(" + msg.what + ")");
switch (msg.what) {
case MSG_WRITE_CONFIG: {
handleWriteConfigFile();
} break;
case MSG_REPORT_IDLE_ON: {
EventLogTags.writeDeviceIdleOnStart();
mLocalPowerManager.setDeviceIdleMode(true);
try {
mNetworkPolicyManager.setDeviceIdleMode(true);
mBatteryStats.noteDeviceIdleMode(true, null, Process.myUid());
} catch (RemoteException e) {
}
getContext().sendBroadcastAsUser(mIdleIntent, UserHandle.ALL);
EventLogTags.writeDeviceIdleOnComplete();
} break;
case MSG_REPORT_IDLE_OFF: {
EventLogTags.writeDeviceIdleOffStart("unknown");
mLocalPowerManager.setDeviceIdleMode(false);
try {
mNetworkPolicyManager.setDeviceIdleMode(false);
mBatteryStats.noteDeviceIdleMode(false, null, Process.myUid());
} catch (RemoteException e) {
}
getContext().sendBroadcastAsUser(mIdleIntent, UserHandle.ALL);
EventLogTags.writeDeviceIdleOffComplete();
} break;
case MSG_REPORT_ACTIVE: {
String activeReason = (String)msg.obj;
int activeUid = msg.arg1;
boolean needBroadcast = msg.arg2 != 0;
EventLogTags.writeDeviceIdleOffStart(
activeReason != null ? activeReason : "unknown");
mLocalPowerManager.setDeviceIdleMode(false);
try {
mNetworkPolicyManager.setDeviceIdleMode(false);
mBatteryStats.noteDeviceIdleMode(false, activeReason, activeUid);
} catch (RemoteException e) {
}
if (needBroadcast) {
getContext().sendBroadcastAsUser(mIdleIntent, UserHandle.ALL);
}
EventLogTags.writeDeviceIdleOffComplete();
} break;
case MSG_TEMP_APP_WHITELIST_TIMEOUT: {
int uid = msg.arg1;
checkTempAppWhitelistTimeout(uid);
} break;
}
}
}
final MyHandler mHandler;
private final class BinderService extends IDeviceIdleController.Stub {
@Override public void addPowerSaveWhitelistApp(String name) {
getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER,
null);
addPowerSaveWhitelistAppInternal(name);
}
@Override public void removePowerSaveWhitelistApp(String name) {
getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER,
null);
removePowerSaveWhitelistAppInternal(name);
}
@Override public String[] getSystemPowerWhitelistExceptIdle() {
return getSystemPowerWhitelistExceptIdleInternal();
}
@Override public String[] getSystemPowerWhitelist() {
return getSystemPowerWhitelistInternal();
}
@Override public String[] getFullPowerWhitelistExceptIdle() {
return getFullPowerWhitelistExceptIdleInternal();
}
@Override public String[] getFullPowerWhitelist() {
return getFullPowerWhitelistInternal();
}
@Override public int[] getAppIdWhitelistExceptIdle() {
return getAppIdWhitelistExceptIdleInternal();
}
@Override public int[] getAppIdWhitelist() {
return getAppIdWhitelistInternal();
}
@Override public int[] getAppIdTempWhitelist() {
return getAppIdTempWhitelistInternal();
}
@Override public boolean isPowerSaveWhitelistExceptIdleApp(String name) {
return isPowerSaveWhitelistExceptIdleAppInternal(name);
}
@Override public boolean isPowerSaveWhitelistApp(String name) {
return isPowerSaveWhitelistAppInternal(name);
}
@Override public void addPowerSaveTempWhitelistApp(String packageName, long duration,
int userId, String reason) throws RemoteException {
getContext().enforceCallingPermission(
Manifest.permission.CHANGE_DEVICE_IDLE_TEMP_WHITELIST,
"No permission to change device idle whitelist");
final int callingUid = Binder.getCallingUid();
userId = ActivityManagerNative.getDefault().handleIncomingUser(
Binder.getCallingPid(),
callingUid,
userId,
/*allowAll=*/ false,
/*requireFull=*/ false,
"addPowerSaveTempWhitelistApp", null);
final long token = Binder.clearCallingIdentity();
try {
DeviceIdleController.this.addPowerSaveTempWhitelistAppInternal(callingUid,
packageName, duration, userId, true, reason);
} finally {
Binder.restoreCallingIdentity(token);
}
}
@Override public long addPowerSaveTempWhitelistAppForMms(String packageName,
int userId, String reason) throws RemoteException {
long duration = mConstants.MMS_TEMP_APP_WHITELIST_DURATION;
addPowerSaveTempWhitelistApp(packageName, duration, userId, reason);
return duration;
}
@Override public long addPowerSaveTempWhitelistAppForSms(String packageName,
int userId, String reason) throws RemoteException {
long duration = mConstants.SMS_TEMP_APP_WHITELIST_DURATION;
addPowerSaveTempWhitelistApp(packageName, duration, userId, reason);
return duration;
}
@Override public void exitIdle(String reason) {
getContext().enforceCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER,
null);
exitIdleInternal(reason);
}
@Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
DeviceIdleController.this.dump(fd, pw, args);
}
}
public final class LocalService {
public void addPowerSaveTempWhitelistAppDirect(int appId, long duration, boolean sync,
String reason) {
addPowerSaveTempWhitelistAppDirectInternal(0, appId, duration, sync, reason);
}
public void setNetworkPolicyTempWhitelistCallback(Runnable callback) {
setNetworkPolicyTempWhitelistCallbackInternal(callback);
}
}
public DeviceIdleController(Context context) {
super(context);
mConfigFile = new AtomicFile(new File(getSystemDir(), "deviceidle.xml"));
mHandler = new MyHandler(BackgroundThread.getHandler().getLooper());
}
private static File getSystemDir() {
return new File(Environment.getDataDirectory(), "system");
}
@Override
public void onStart() {
final PackageManager pm = getContext().getPackageManager();
synchronized (this) {
mEnabled = getContext().getResources().getBoolean(
com.android.internal.R.bool.config_enableAutoPowerModes);
SystemConfig sysConfig = SystemConfig.getInstance();
ArraySet<String> allowPowerExceptIdle = sysConfig.getAllowInPowerSaveExceptIdle();
for (int i=0; i<allowPowerExceptIdle.size(); i++) {
String pkg = allowPowerExceptIdle.valueAt(i);
try {
ApplicationInfo ai = pm.getApplicationInfo(pkg, 0);
if ((ai.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
int appid = UserHandle.getAppId(ai.uid);
mPowerSaveWhitelistAppsExceptIdle.put(ai.packageName, appid);
mPowerSaveWhitelistSystemAppIdsExceptIdle.put(appid, true);
}
} catch (PackageManager.NameNotFoundException e) {
}
}
ArraySet<String> allowPower = sysConfig.getAllowInPowerSave();
for (int i=0; i<allowPower.size(); i++) {
String pkg = allowPower.valueAt(i);
try {
ApplicationInfo ai = pm.getApplicationInfo(pkg, 0);
if ((ai.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
int appid = UserHandle.getAppId(ai.uid);
// These apps are on both the whitelist-except-idle as well
// as the full whitelist, so they apply in all cases.
mPowerSaveWhitelistAppsExceptIdle.put(ai.packageName, appid);
mPowerSaveWhitelistSystemAppIdsExceptIdle.put(appid, true);
mPowerSaveWhitelistApps.put(ai.packageName, appid);
mPowerSaveWhitelistSystemAppIds.put(appid, true);
}
} catch (PackageManager.NameNotFoundException e) {
}
}
mConstants = new Constants(mHandler, getContext().getContentResolver());
readConfigFileLocked();
updateWhitelistAppIdsLocked();
mScreenOn = true;
// Start out assuming we are charging. If we aren't, we will at least get
// a battery update the next time the level drops.
mCharging = true;
mState = STATE_ACTIVE;
mInactiveTimeout = mConstants.INACTIVE_TIMEOUT;
}
publishBinderService(Context.DEVICE_IDLE_CONTROLLER, new BinderService());
publishLocalService(LocalService.class, new LocalService());
}
@Override
public void onBootPhase(int phase) {
if (phase == PHASE_SYSTEM_SERVICES_READY) {
synchronized (this) {
mAlarmManager = (AlarmManager) getContext().getSystemService(Context.ALARM_SERVICE);
mBatteryStats = BatteryStatsService.getService();
mLocalPowerManager = getLocalService(PowerManagerInternal.class);
mNetworkPolicyManager = INetworkPolicyManager.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_POLICY_SERVICE));
mDisplayManager = (DisplayManager) getContext().getSystemService(
Context.DISPLAY_SERVICE);
mSensorManager = (SensorManager) getContext().getSystemService(Context.SENSOR_SERVICE);
mSigMotionSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_SIGNIFICANT_MOTION);
mAnyMotionDetector = new AnyMotionDetector(
mAlarmManager,
(PowerManager) getContext().getSystemService(Context.POWER_SERVICE),
mHandler, mSensorManager, this);
Intent intent = new Intent(ACTION_STEP_IDLE_STATE)
.setPackage("android")
.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
mAlarmIntent = PendingIntent.getBroadcast(getContext(), 0, intent, 0);
Intent intentSensing = new Intent(ACTION_STEP_IDLE_STATE)
.setPackage("android")
.setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
mSensingAlarmIntent = PendingIntent.getBroadcast(getContext(), 0, intentSensing, 0);
mIdleIntent = new Intent(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED);
mIdleIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY
| Intent.FLAG_RECEIVER_FOREGROUND);
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_BATTERY_CHANGED);
filter.addAction(ACTION_STEP_IDLE_STATE);
getContext().registerReceiver(mReceiver, filter);
mLocalPowerManager.setDeviceIdleWhitelist(mPowerSaveWhitelistAllAppIdArray);
mDisplayManager.registerDisplayListener(mDisplayListener, null);
updateDisplayLocked();
}
}
}
public boolean addPowerSaveWhitelistAppInternal(String name) {
synchronized (this) {
try {
ApplicationInfo ai = getContext().getPackageManager().getApplicationInfo(name, 0);
if (mPowerSaveWhitelistUserApps.put(name, UserHandle.getAppId(ai.uid)) == null) {
reportPowerSaveWhitelistChangedLocked();
updateWhitelistAppIdsLocked();
writeConfigFileLocked();
}
return true;
} catch (PackageManager.NameNotFoundException e) {
return false;
}
}
}
public boolean removePowerSaveWhitelistAppInternal(String name) {
synchronized (this) {
if (mPowerSaveWhitelistUserApps.remove(name) != null) {
reportPowerSaveWhitelistChangedLocked();
updateWhitelistAppIdsLocked();
writeConfigFileLocked();
return true;
}
}
return false;
}
public String[] getSystemPowerWhitelistExceptIdleInternal() {
synchronized (this) {
int size = mPowerSaveWhitelistAppsExceptIdle.size();
String[] apps = new String[size];
for (int i = 0; i < size; i++) {
apps[i] = mPowerSaveWhitelistAppsExceptIdle.keyAt(i);
}
return apps;
}
}
public String[] getSystemPowerWhitelistInternal() {
synchronized (this) {
int size = mPowerSaveWhitelistApps.size();
String[] apps = new String[size];
for (int i = 0; i < size; i++) {
apps[i] = mPowerSaveWhitelistApps.keyAt(i);
}
return apps;
}
}
public String[] getFullPowerWhitelistExceptIdleInternal() {
synchronized (this) {
int size = mPowerSaveWhitelistAppsExceptIdle.size() + mPowerSaveWhitelistUserApps.size();
String[] apps = new String[size];
int cur = 0;
for (int i = 0; i < mPowerSaveWhitelistAppsExceptIdle.size(); i++) {
apps[cur] = mPowerSaveWhitelistAppsExceptIdle.keyAt(i);
cur++;
}
for (int i = 0; i < mPowerSaveWhitelistUserApps.size(); i++) {
apps[cur] = mPowerSaveWhitelistUserApps.keyAt(i);
cur++;
}
return apps;
}
}
public String[] getFullPowerWhitelistInternal() {
synchronized (this) {
int size = mPowerSaveWhitelistApps.size() + mPowerSaveWhitelistUserApps.size();
String[] apps = new String[size];
int cur = 0;
for (int i = 0; i < mPowerSaveWhitelistApps.size(); i++) {
apps[cur] = mPowerSaveWhitelistApps.keyAt(i);
cur++;
}
for (int i = 0; i < mPowerSaveWhitelistUserApps.size(); i++) {
apps[cur] = mPowerSaveWhitelistUserApps.keyAt(i);
cur++;
}
return apps;
}
}
public boolean isPowerSaveWhitelistExceptIdleAppInternal(String packageName) {
synchronized (this) {
return mPowerSaveWhitelistAppsExceptIdle.containsKey(packageName)
|| mPowerSaveWhitelistUserApps.containsKey(packageName);
}
}
public boolean isPowerSaveWhitelistAppInternal(String packageName) {
synchronized (this) {
return mPowerSaveWhitelistApps.containsKey(packageName)
|| mPowerSaveWhitelistUserApps.containsKey(packageName);
}
}
public int[] getAppIdWhitelistExceptIdleInternal() {
synchronized (this) {
return mPowerSaveWhitelistExceptIdleAppIdArray;
}
}
public int[] getAppIdWhitelistInternal() {
synchronized (this) {
return mPowerSaveWhitelistAllAppIdArray;
}
}
public int[] getAppIdTempWhitelistInternal() {
synchronized (this) {
return mTempWhitelistAppIdArray;
}
}
/**
* Adds an app to the temporary whitelist and resets the endTime for granting the
* app an exemption to access network and acquire wakelocks.
*/
public void addPowerSaveTempWhitelistAppInternal(int callingUid, String packageName,
long duration, int userId, boolean sync, String reason) {
try {
int uid = getContext().getPackageManager().getPackageUid(packageName, userId);
int appId = UserHandle.getAppId(uid);
addPowerSaveTempWhitelistAppDirectInternal(callingUid, appId, duration, sync, reason);
} catch (NameNotFoundException e) {
}
}
/**
* Adds an app to the temporary whitelist and resets the endTime for granting the
* app an exemption to access network and acquire wakelocks.
*/
public void addPowerSaveTempWhitelistAppDirectInternal(int callingUid, int appId,
long duration, boolean sync, String reason) {
final long timeNow = SystemClock.elapsedRealtime();
Runnable networkPolicyTempWhitelistCallback = null;
synchronized (this) {
int callingAppId = UserHandle.getAppId(callingUid);
if (callingAppId >= Process.FIRST_APPLICATION_UID) {
if (!mPowerSaveWhitelistSystemAppIds.get(callingAppId)) {
throw new SecurityException("Calling app " + UserHandle.formatUid(callingUid)
+ " is not on whitelist");
}
}
duration = Math.min(duration, mConstants.MAX_TEMP_APP_WHITELIST_DURATION);
Pair<MutableLong, String> entry = mTempWhitelistAppIdEndTimes.get(appId);
final boolean newEntry = entry == null;
// Set the new end time
if (newEntry) {
entry = new Pair<>(new MutableLong(0), reason);
mTempWhitelistAppIdEndTimes.put(appId, entry);
}
entry.first.value = timeNow + duration;
if (DEBUG) {
Slog.d(TAG, "Adding AppId " + appId + " to temp whitelist");
}
if (newEntry) {
// No pending timeout for the app id, post a delayed message
try {
mBatteryStats.noteEvent(BatteryStats.HistoryItem.EVENT_TEMP_WHITELIST_START,
reason, appId);
} catch (RemoteException e) {
}
postTempActiveTimeoutMessage(appId, duration);
updateTempWhitelistAppIdsLocked();
if (mNetworkPolicyTempWhitelistCallback != null) {
if (!sync) {
mHandler.post(mNetworkPolicyTempWhitelistCallback);
} else {
networkPolicyTempWhitelistCallback = mNetworkPolicyTempWhitelistCallback;
}
}
reportTempWhitelistChangedLocked();
}
}
if (networkPolicyTempWhitelistCallback != null) {
networkPolicyTempWhitelistCallback.run();
}
}
public void setNetworkPolicyTempWhitelistCallbackInternal(Runnable callback) {
synchronized (this) {
mNetworkPolicyTempWhitelistCallback = callback;
}
}
private void postTempActiveTimeoutMessage(int uid, long delay) {
mHandler.sendMessageDelayed(mHandler.obtainMessage(MSG_TEMP_APP_WHITELIST_TIMEOUT, uid, 0),
delay);
}
void checkTempAppWhitelistTimeout(int uid) {
final long timeNow = SystemClock.elapsedRealtime();
synchronized (this) {
Pair<MutableLong, String> entry = mTempWhitelistAppIdEndTimes.get(uid);
if (entry == null) {
// Nothing to do
return;
}
if (timeNow >= entry.first.value) {
mTempWhitelistAppIdEndTimes.delete(uid);
if (DEBUG) {
Slog.d(TAG, "Removing UID " + uid + " from temp whitelist");
}
updateTempWhitelistAppIdsLocked();
if (mNetworkPolicyTempWhitelistCallback != null) {
mHandler.post(mNetworkPolicyTempWhitelistCallback);
}
reportTempWhitelistChangedLocked();
try {
mBatteryStats.noteEvent(BatteryStats.HistoryItem.EVENT_TEMP_WHITELIST_FINISH,
entry.second, uid);
} catch (RemoteException e) {
}
} else {
// Need more time
postTempActiveTimeoutMessage(uid, entry.first.value - timeNow);
}
}
}
public void exitIdleInternal(String reason) {
synchronized (this) {
becomeActiveLocked(reason, Binder.getCallingUid());
}
}
void updateDisplayLocked() {
mCurDisplay = mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY);
// We consider any situation where the display is showing something to be it on,
// because if there is anything shown we are going to be updating it at some
// frequency so can't be allowed to go into deep sleeps.
boolean screenOn = mCurDisplay.getState() != Display.STATE_OFF;;
if (DEBUG) Slog.d(TAG, "updateDisplayLocked: screenOn=" + screenOn);
if (!screenOn && mScreenOn) {
mScreenOn = false;
if (!mForceIdle) {
becomeInactiveIfAppropriateLocked();
}
} else if (screenOn) {
mScreenOn = true;
if (!mForceIdle) {
becomeActiveLocked("screen", Process.myUid());
}
}
}
void updateChargingLocked(boolean charging) {
if (DEBUG) Slog.i(TAG, "updateChargingLocked: charging=" + charging);
if (!charging && mCharging) {
mCharging = false;
if (!mForceIdle) {
becomeInactiveIfAppropriateLocked();
}
} else if (charging) {
mCharging = charging;
if (!mForceIdle) {
becomeActiveLocked("charging", Process.myUid());
}
}
}
void scheduleReportActiveLocked(String activeReason, int activeUid) {
Message msg = mHandler.obtainMessage(MSG_REPORT_ACTIVE, activeUid,
mState == STATE_IDLE ? 1 : 0, activeReason);
mHandler.sendMessage(msg);
}
void becomeActiveLocked(String activeReason, int activeUid) {
if (DEBUG) Slog.i(TAG, "becomeActiveLocked, reason = " + activeReason);
if (mState != STATE_ACTIVE) {
EventLogTags.writeDeviceIdle(STATE_ACTIVE, activeReason);
scheduleReportActiveLocked(activeReason, activeUid);
mState = STATE_ACTIVE;
mInactiveTimeout = mConstants.INACTIVE_TIMEOUT;
mNextIdlePendingDelay = 0;
mNextIdleDelay = 0;
cancelAlarmLocked();
stopMonitoringSignificantMotion();
}
}
void becomeInactiveIfAppropriateLocked() {
if (DEBUG) Slog.d(TAG, "becomeInactiveIfAppropriateLocked()");
if (((!mScreenOn && !mCharging) || mForceIdle) && mEnabled && mState == STATE_ACTIVE) {
// Screen has turned off; we are now going to become inactive and start
// waiting to see if we will ultimately go idle.
mState = STATE_INACTIVE;
if (DEBUG) Slog.d(TAG, "Moved from STATE_ACTIVE to STATE_INACTIVE");
mNextIdlePendingDelay = 0;
mNextIdleDelay = 0;
scheduleAlarmLocked(mInactiveTimeout, false);
EventLogTags.writeDeviceIdle(mState, "no activity");
}
}
/**
* This is called when we've failed to receive a callback from AnyMotionDetector
* within the DEFAULT_SENSING_TIMEOUT, to return to STATE_INACTIVE.
*/
void enterInactiveStateLocked() {
mInactiveTimeout = mConstants.INACTIVE_TIMEOUT;
becomeInactiveIfAppropriateLocked();
}
void exitForceIdleLocked() {
if (mForceIdle) {
mForceIdle = false;
if (mScreenOn || mCharging) {
becomeActiveLocked("exit-force-idle", Process.myUid());
}
}
}
void stepIdleStateLocked() {
if (DEBUG) Slog.d(TAG, "stepIdleStateLocked: mState=" + mState);
EventLogTags.writeDeviceIdleStep();
final long now = SystemClock.elapsedRealtime();
if ((now+mConstants.MIN_TIME_TO_ALARM) > mAlarmManager.getNextWakeFromIdleTime()) {
// Whoops, there is an upcoming alarm. We don't actually want to go idle.
if (mState != STATE_ACTIVE) {
becomeActiveLocked("alarm", Process.myUid());
}
return;
}
switch (mState) {
case STATE_INACTIVE:
// We have now been inactive long enough, it is time to start looking
// for significant motion and sleep some more while doing so.
startMonitoringSignificantMotion();
scheduleAlarmLocked(mConstants.IDLE_AFTER_INACTIVE_TIMEOUT, false);
// Reset the upcoming idle delays.
mNextIdlePendingDelay = mConstants.IDLE_PENDING_TIMEOUT;
mNextIdleDelay = mConstants.IDLE_TIMEOUT;
mState = STATE_IDLE_PENDING;
if (DEBUG) Slog.d(TAG, "Moved from STATE_INACTIVE to STATE_IDLE_PENDING.");
EventLogTags.writeDeviceIdle(mState, "step");
break;
case STATE_IDLE_PENDING:
mState = STATE_SENSING;
if (DEBUG) Slog.d(TAG, "Moved from STATE_IDLE_PENDING to STATE_SENSING.");
scheduleSensingAlarmLocked(mConstants.SENSING_TIMEOUT);
mAnyMotionDetector.checkForAnyMotion();
break;
case STATE_SENSING:
cancelSensingAlarmLocked();
case STATE_IDLE_MAINTENANCE:
scheduleAlarmLocked(mNextIdleDelay, true);
if (DEBUG) Slog.d(TAG, "Moved to STATE_IDLE. Next alarm in " + mNextIdleDelay +
" ms.");
mNextIdleDelay = (long)(mNextIdleDelay * mConstants.IDLE_FACTOR);
if (DEBUG) Slog.d(TAG, "Setting mNextIdleDelay = " + mNextIdleDelay);
mNextIdleDelay = Math.min(mNextIdleDelay, mConstants.MAX_IDLE_TIMEOUT);
mState = STATE_IDLE;
mHandler.sendEmptyMessage(MSG_REPORT_IDLE_ON);
break;
case STATE_IDLE:
// We have been idling long enough, now it is time to do some work.
scheduleAlarmLocked(mNextIdlePendingDelay, false);
if (DEBUG) Slog.d(TAG, "Moved from STATE_IDLE to STATE_IDLE_MAINTENANCE. " +
"Next alarm in " + mNextIdlePendingDelay + " ms.");
mNextIdlePendingDelay = Math.min(mConstants.MAX_IDLE_PENDING_TIMEOUT,
(long)(mNextIdlePendingDelay * mConstants.IDLE_PENDING_FACTOR));
mState = STATE_IDLE_MAINTENANCE;
EventLogTags.writeDeviceIdle(mState, "step");
mHandler.sendEmptyMessage(MSG_REPORT_IDLE_OFF);
break;
}
}
void significantMotionLocked() {
if (DEBUG) Slog.d(TAG, "significantMotionLocked()");
// When the sensor goes off, its trigger is automatically removed.
mSigMotionActive = false;
// The device is not yet active, so we want to go back to the pending idle
// state to wait again for no motion. Note that we only monitor for significant
// motion after moving out of the inactive state, so no need to worry about that.
if (mState != STATE_ACTIVE) {
scheduleReportActiveLocked("motion", Process.myUid());
mState = STATE_ACTIVE;
mInactiveTimeout = mConstants.MOTION_INACTIVE_TIMEOUT;
EventLogTags.writeDeviceIdle(mState, "motion");
becomeInactiveIfAppropriateLocked();
}
}
void startMonitoringSignificantMotion() {
if (DEBUG) Slog.d(TAG, "startMonitoringSignificantMotion()");
if (mSigMotionSensor != null && !mSigMotionActive) {
mSensorManager.requestTriggerSensor(mSigMotionListener, mSigMotionSensor);
mSigMotionActive = true;
}
}
void stopMonitoringSignificantMotion() {
if (DEBUG) Slog.d(TAG, "stopMonitoringSignificantMotion()");
if (mSigMotionActive) {
mSensorManager.cancelTriggerSensor(mSigMotionListener, mSigMotionSensor);
mSigMotionActive = false;
}
}
void cancelAlarmLocked() {
if (mNextAlarmTime != 0) {
mNextAlarmTime = 0;
mAlarmManager.cancel(mAlarmIntent);
}
}
void cancelSensingAlarmLocked() {
if (DEBUG) Slog.d(TAG, "cancelSensingAlarmLocked()");
mAlarmManager.cancel(mSensingAlarmIntent);
}
void scheduleAlarmLocked(long delay, boolean idleUntil) {
if (DEBUG) Slog.d(TAG, "scheduleAlarmLocked(" + delay + ", " + idleUntil + ")");
if (mSigMotionSensor == null) {
// If there is no significant motion sensor on this device, then we won't schedule
// alarms, because we can't determine if the device is not moving. This effectively
// turns off normal exeuction of device idling, although it is still possible to
// manually poke it by pretending like the alarm is going off.
return;
}
mNextAlarmTime = SystemClock.elapsedRealtime() + delay;
if (idleUntil) {
mAlarmManager.setIdleUntil(AlarmManager.ELAPSED_REALTIME_WAKEUP,
mNextAlarmTime, mAlarmIntent);
} else {
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
mNextAlarmTime, mAlarmIntent);
}
}
void scheduleSensingAlarmLocked(long delay) {
if (DEBUG) Slog.d(TAG, "scheduleSensingAlarmLocked(" + delay + ")");
mNextAlarmTime = SystemClock.elapsedRealtime() + delay;
mAlarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
mNextAlarmTime, mSensingAlarmIntent);
}
private static int[] buildAppIdArray(ArrayMap<String, Integer> systemApps,
ArrayMap<String, Integer> userApps, SparseBooleanArray outAppIds) {
outAppIds.clear();
for (int i=0; i<systemApps.size(); i++) {
outAppIds.put(systemApps.valueAt(i), true);
}
for (int i=0; i<userApps.size(); i++) {
outAppIds.put(userApps.valueAt(i), true);
}
int size = outAppIds.size();
int[] appids = new int[size];
for (int i = 0; i < size; i++) {
appids[i] = outAppIds.keyAt(i);
}
return appids;
}
private void updateWhitelistAppIdsLocked() {
mPowerSaveWhitelistExceptIdleAppIdArray = buildAppIdArray(mPowerSaveWhitelistAppsExceptIdle,
mPowerSaveWhitelistUserApps, mPowerSaveWhitelistExceptIdleAppIds);
mPowerSaveWhitelistAllAppIdArray = buildAppIdArray(mPowerSaveWhitelistApps,
mPowerSaveWhitelistUserApps, mPowerSaveWhitelistAllAppIds);
if (mLocalPowerManager != null) {
if (DEBUG) {
Slog.d(TAG, "Setting wakelock whitelist to "
+ Arrays.toString(mPowerSaveWhitelistAllAppIdArray));
}
mLocalPowerManager.setDeviceIdleWhitelist(mPowerSaveWhitelistAllAppIdArray);
}
}
private void updateTempWhitelistAppIdsLocked() {
final int size = mTempWhitelistAppIdEndTimes.size();
if (mTempWhitelistAppIdArray.length != size) {
mTempWhitelistAppIdArray = new int[size];
}
for (int i = 0; i < size; i++) {
mTempWhitelistAppIdArray[i] = mTempWhitelistAppIdEndTimes.keyAt(i);
}
if (mLocalPowerManager != null) {
if (DEBUG) {
Slog.d(TAG, "Setting wakelock temp whitelist to "
+ Arrays.toString(mTempWhitelistAppIdArray));
}
mLocalPowerManager.setDeviceIdleTempWhitelist(mTempWhitelistAppIdArray);
}
}
private void reportPowerSaveWhitelistChangedLocked() {
Intent intent = new Intent(PowerManager.ACTION_POWER_SAVE_WHITELIST_CHANGED);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
getContext().sendBroadcastAsUser(intent, UserHandle.OWNER);
}
private void reportTempWhitelistChangedLocked() {
Intent intent = new Intent(PowerManager.ACTION_POWER_SAVE_TEMP_WHITELIST_CHANGED);
intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
getContext().sendBroadcastAsUser(intent, UserHandle.OWNER);
}
void readConfigFileLocked() {
if (DEBUG) Slog.d(TAG, "Reading config from " + mConfigFile.getBaseFile());
mPowerSaveWhitelistUserApps.clear();
FileInputStream stream;
try {
stream = mConfigFile.openRead();
} catch (FileNotFoundException e) {
return;
}
try {
XmlPullParser parser = Xml.newPullParser();
parser.setInput(stream, StandardCharsets.UTF_8.name());
readConfigFileLocked(parser);
} catch (XmlPullParserException e) {
} finally {
try {
stream.close();
} catch (IOException e) {
}
}
}
private void readConfigFileLocked(XmlPullParser parser) {
final PackageManager pm = getContext().getPackageManager();
try {
int type;
while ((type = parser.next()) != XmlPullParser.START_TAG
&& type != XmlPullParser.END_DOCUMENT) {
;
}
if (type != XmlPullParser.START_TAG) {
throw new IllegalStateException("no start tag found");
}
int outerDepth = parser.getDepth();
while ((type = parser.next()) != XmlPullParser.END_DOCUMENT
&& (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {
if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {
continue;
}
String tagName = parser.getName();
if (tagName.equals("wl")) {
String name = parser.getAttributeValue(null, "n");
if (name != null) {
try {
ApplicationInfo ai = pm.getApplicationInfo(name, 0);
mPowerSaveWhitelistUserApps.put(ai.packageName,
UserHandle.getAppId(ai.uid));
} catch (PackageManager.NameNotFoundException e) {
}
}
} else {
Slog.w(TAG, "Unknown element under <config>: "
+ parser.getName());
XmlUtils.skipCurrentTag(parser);
}
}
} catch (IllegalStateException e) {
Slog.w(TAG, "Failed parsing config " + e);
} catch (NullPointerException e) {
Slog.w(TAG, "Failed parsing config " + e);
} catch (NumberFormatException e) {
Slog.w(TAG, "Failed parsing config " + e);
} catch (XmlPullParserException e) {
Slog.w(TAG, "Failed parsing config " + e);
} catch (IOException e) {
Slog.w(TAG, "Failed parsing config " + e);
} catch (IndexOutOfBoundsException e) {
Slog.w(TAG, "Failed parsing config " + e);
}
}
void writeConfigFileLocked() {
mHandler.removeMessages(MSG_WRITE_CONFIG);
mHandler.sendEmptyMessageDelayed(MSG_WRITE_CONFIG, 5000);
}
void handleWriteConfigFile() {
final ByteArrayOutputStream memStream = new ByteArrayOutputStream();
try {
synchronized (this) {
XmlSerializer out = new FastXmlSerializer();
out.setOutput(memStream, StandardCharsets.UTF_8.name());
writeConfigFileLocked(out);
}
} catch (IOException e) {
}
synchronized (mConfigFile) {
FileOutputStream stream = null;
try {
stream = mConfigFile.startWrite();
memStream.writeTo(stream);
stream.flush();
FileUtils.sync(stream);
stream.close();
mConfigFile.finishWrite(stream);
} catch (IOException e) {
Slog.w(TAG, "Error writing config file", e);
mConfigFile.failWrite(stream);
}
}
}
void writeConfigFileLocked(XmlSerializer out) throws IOException {
out.startDocument(null, true);
out.startTag(null, "config");
for (int i=0; i<mPowerSaveWhitelistUserApps.size(); i++) {
String name = mPowerSaveWhitelistUserApps.keyAt(i);
out.startTag(null, "wl");
out.attribute(null, "n", name);
out.endTag(null, "wl");
}
out.endTag(null, "config");
out.endDocument();
}
private void dumpHelp(PrintWriter pw) {
pw.println("Device idle controller (deviceidle) dump options:");
pw.println(" [-h] [CMD]");
pw.println(" -h: print this help text.");
pw.println("Commands:");
pw.println(" step");
pw.println(" Immediately step to next state, without waiting for alarm.");
pw.println(" force-idle");
pw.println(" Force directly into idle mode, regardless of other device state.");
pw.println(" Use \"step\" to get out.");
pw.println(" disable");
pw.println(" Completely disable device idle mode.");
pw.println(" enable");
pw.println(" Re-enable device idle mode after it had previously been disabled.");
pw.println(" enabled");
pw.println(" Print 1 if device idle mode is currently enabled, else 0.");
pw.println(" whitelist");
pw.println(" Print currently whitelisted apps.");
pw.println(" whitelist [package ...]");
pw.println(" Add (prefix with +) or remove (prefix with -) packages.");
pw.println(" tempwhitelist [package ..]");
pw.println(" Temporarily place packages in whitelist for 10 seconds.");
}
void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump DeviceIdleController from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
if (args != null) {
int userId = UserHandle.USER_OWNER;
for (int i=0; i<args.length; i++) {
String arg = args[i];
if ("-h".equals(arg)) {
dumpHelp(pw);
return;
} else if ("-u".equals(arg)) {
i++;
if (i < args.length) {
arg = args[i];
userId = Integer.parseInt(arg);
}
} else if ("-a".equals(arg)) {
// Ignore, we always dump all.
} else if ("step".equals(arg)) {
synchronized (this) {
long token = Binder.clearCallingIdentity();
try {
exitForceIdleLocked();
stepIdleStateLocked();
pw.print("Stepped to: "); pw.println(stateToString(mState));
} finally {
Binder.restoreCallingIdentity(token);
}
}
return;
} else if ("force-idle".equals(arg)) {
synchronized (this) {
long token = Binder.clearCallingIdentity();
try {
if (!mEnabled) {
pw.println("Unable to go idle; not enabled");
return;
}
mForceIdle = true;
becomeInactiveIfAppropriateLocked();
int curState = mState;
while (curState != STATE_IDLE) {
stepIdleStateLocked();
if (curState == mState) {
pw.print("Unable to go idle; stopped at ");
pw.println(stateToString(mState));
exitForceIdleLocked();
return;
}
curState = mState;
}
pw.println("Now forced in to idle mode");
} finally {
Binder.restoreCallingIdentity(token);
}
}
return;
} else if ("disable".equals(arg)) {
synchronized (this) {
long token = Binder.clearCallingIdentity();
try {
if (mEnabled) {
mEnabled = false;
becomeActiveLocked("disabled", Process.myUid());
pw.println("Idle mode disabled");
}
} finally {
Binder.restoreCallingIdentity(token);
}
}
return;
} else if ("enable".equals(arg)) {
synchronized (this) {
long token = Binder.clearCallingIdentity();
try {
exitForceIdleLocked();
if (!mEnabled) {
mEnabled = true;
becomeInactiveIfAppropriateLocked();
pw.println("Idle mode enabled");
}
} finally {
Binder.restoreCallingIdentity(token);
}
}
return;
} else if ("enabled".equals(arg)) {
synchronized (this) {
pw.println(mEnabled ? "1" : " 0");
}
return;
} else if ("whitelist".equals(arg)) {
long token = Binder.clearCallingIdentity();
try {
i++;
if (i < args.length) {
while (i < args.length) {
arg = args[i];
i++;
if (arg.length() < 1 || (arg.charAt(0) != '-'
&& arg.charAt(0) != '+')) {
pw.println("Package must be prefixed with + or -: " + arg);
return;
}
char op = arg.charAt(0);
String pkg = arg.substring(1);
if (op == '+') {
if (addPowerSaveWhitelistAppInternal(pkg)) {
pw.println("Added: " + pkg);
} else {
pw.println("Unknown package: " + pkg);
}
} else {
if (removePowerSaveWhitelistAppInternal(pkg)) {
pw.println("Removed: " + pkg);
}
}
}
} else {
synchronized (this) {
for (int j=0; j<mPowerSaveWhitelistAppsExceptIdle.size(); j++) {
pw.print("system-excidle,");
pw.print(mPowerSaveWhitelistAppsExceptIdle.keyAt(j));
pw.print(",");
pw.println(mPowerSaveWhitelistAppsExceptIdle.valueAt(j));
}
for (int j=0; j<mPowerSaveWhitelistApps.size(); j++) {
pw.print("system,");
pw.print(mPowerSaveWhitelistApps.keyAt(j));
pw.print(",");
pw.println(mPowerSaveWhitelistApps.valueAt(j));
}
for (int j=0; j<mPowerSaveWhitelistUserApps.size(); j++) {
pw.print("user,");
pw.print(mPowerSaveWhitelistUserApps.keyAt(j));
pw.print(",");
pw.println(mPowerSaveWhitelistUserApps.valueAt(j));
}
}
}
} finally {
Binder.restoreCallingIdentity(token);
}
return;
} else if ("tempwhitelist".equals(arg)) {
long token = Binder.clearCallingIdentity();
try {
i++;
if (i >= args.length) {
pw.println("At least one package name must be specified");
return;
}
while (i < args.length) {
arg = args[i];
i++;
addPowerSaveTempWhitelistAppInternal(0, arg, 10000L, userId, true,
"shell");
pw.println("Added: " + arg);
}
} finally {
Binder.restoreCallingIdentity(token);
}
return;
} else if (arg.length() > 0 && arg.charAt(0) == '-'){
pw.println("Unknown option: " + arg);
return;
} else {
pw.println("Unknown command: " + arg);
return;
}
}
}
synchronized (this) {
mConstants.dump(pw);
int size = mPowerSaveWhitelistAppsExceptIdle.size();
if (size > 0) {
pw.println(" Whitelist (except idle) system apps:");
for (int i = 0; i < size; i++) {
pw.print(" ");
pw.println(mPowerSaveWhitelistAppsExceptIdle.keyAt(i));
}
}
size = mPowerSaveWhitelistApps.size();
if (size > 0) {
pw.println(" Whitelist system apps:");
for (int i = 0; i < size; i++) {
pw.print(" ");
pw.println(mPowerSaveWhitelistApps.keyAt(i));
}
}
size = mPowerSaveWhitelistUserApps.size();
if (size > 0) {
pw.println(" Whitelist user apps:");
for (int i = 0; i < size; i++) {
pw.print(" ");
pw.println(mPowerSaveWhitelistUserApps.keyAt(i));
}
}
size = mPowerSaveWhitelistExceptIdleAppIds.size();
if (size > 0) {
pw.println(" Whitelist (except idle) all app ids:");
for (int i = 0; i < size; i++) {
pw.print(" ");
pw.print(mPowerSaveWhitelistExceptIdleAppIds.keyAt(i));
pw.println();
}
}
size = mPowerSaveWhitelistAllAppIds.size();
if (size > 0) {
pw.println(" Whitelist all app ids:");
for (int i = 0; i < size; i++) {
pw.print(" ");
pw.print(mPowerSaveWhitelistAllAppIds.keyAt(i));
pw.println();
}
}
size = mTempWhitelistAppIdEndTimes.size();
if (size > 0) {
pw.println(" Temp whitelist schedule:");
final long timeNow = SystemClock.elapsedRealtime();
for (int i = 0; i < size; i++) {
pw.print(" UID=");
pw.print(mTempWhitelistAppIdEndTimes.keyAt(i));
pw.print(": ");
Pair<MutableLong, String> entry = mTempWhitelistAppIdEndTimes.valueAt(i);
TimeUtils.formatDuration(entry.first.value, timeNow, pw);
pw.print(" - ");
pw.println(entry.second);
}
}
size = mTempWhitelistAppIdArray != null ? mTempWhitelistAppIdArray.length : 0;
if (size > 0) {
pw.println(" Temp whitelist app ids:");
for (int i = 0; i < size; i++) {
pw.print(" ");
pw.print(mTempWhitelistAppIdArray[i]);
pw.println();
}
}
pw.print(" mEnabled="); pw.println(mEnabled);
pw.print(" mForceIdle="); pw.println(mForceIdle);
pw.print(" mSigMotionSensor="); pw.println(mSigMotionSensor);
pw.print(" mCurDisplay="); pw.println(mCurDisplay);
pw.print(" mScreenOn="); pw.println(mScreenOn);
pw.print(" mCharging="); pw.println(mCharging);
pw.print(" mSigMotionActive="); pw.println(mSigMotionActive);
pw.print(" mState="); pw.println(stateToString(mState));
pw.print(" mInactiveTimeout="); TimeUtils.formatDuration(mInactiveTimeout, pw);
pw.println();
if (mNextAlarmTime != 0) {
pw.print(" mNextAlarmTime=");
TimeUtils.formatDuration(mNextAlarmTime, SystemClock.elapsedRealtime(), pw);
pw.println();
}
if (mNextIdlePendingDelay != 0) {
pw.print(" mNextIdlePendingDelay=");
TimeUtils.formatDuration(mNextIdlePendingDelay, pw);
pw.println();
}
if (mNextIdleDelay != 0) {
pw.print(" mNextIdleDelay=");
TimeUtils.formatDuration(mNextIdleDelay, pw);
pw.println();
}
}
}
}