| /* |
| * 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.app.AlarmManager; |
| import android.app.PendingIntent; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ApplicationInfo; |
| import android.content.pm.PackageManager; |
| 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.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.RemoteException; |
| import android.os.ServiceManager; |
| import android.os.SystemClock; |
| import android.os.UserHandle; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.Log; |
| import android.util.Slog; |
| 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; |
| |
| /** |
| * Keeps track of device idleness and drives low power mode based on that. |
| */ |
| public class DeviceIdleController extends SystemService { |
| private static final String TAG = "DeviceIdleController"; |
| |
| private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
| |
| public static final String SERVICE_NAME = "deviceidle"; |
| |
| private static final String ACTION_STEP_IDLE_STATE = |
| "com.android.server.device_idle.STEP_IDLE_STATE"; |
| |
| // TODO: These need to be moved to system settings. |
| |
| /** |
| * 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. |
| */ |
| private static final long DEFAULT_INACTIVE_TIMEOUT = !DEBUG ? 30*60*1000L |
| : 2 * 60 * 1000L; |
| /** |
| * This is the time, after seeing motion, that we wait after becoming inactive from |
| * that until we start looking for motion again. |
| */ |
| private static final long DEFAULT_MOTION_INACTIVE_TIMEOUT = !DEBUG ? 10*60*1000L |
| : 60 * 1000L; |
| /** |
| * 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. |
| */ |
| private static final long DEFAULT_IDLE_AFTER_INACTIVE_TIMEOUT = !DEBUG ? 30*60*1000L |
| : 2 * 60 * 1000L; |
| /** |
| * 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. |
| */ |
| private static final long DEFAULT_IDLE_PENDING_TIMEOUT = 5*60*1000L; |
| /** |
| * Maximum pending idle timeout (time spent running) we will be allowed to use. |
| */ |
| private static final long DEFAULT_MAX_IDLE_PENDING_TIMEOUT = 10*60*1000L; |
| /** |
| * Scaling factor to apply to current pending idle timeout each time we cycle through |
| * that state. |
| */ |
| private static final float DEFAULT_IDLE_PENDING_FACTOR = 2f; |
| /** |
| * 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. |
| */ |
| private static final long DEFAULT_IDLE_TIMEOUT = !DEBUG ? 60*60*1000L |
| : 5 * 60 * 1000L; |
| /** |
| * Maximum idle duration we will be allowed to use. |
| */ |
| private static final long DEFAULT_MAX_IDLE_TIMEOUT = !DEBUG ? 6*60*60*1000L |
| : 10 * 60 * 1000L; |
| /** |
| * Scaling factor to apply to current idle timeout each time we cycle through that state. |
| */ |
| private static final float DEFAULT_IDLE_FACTOR = 2f; |
| /** |
| * This is the minimum time we will allow until the next upcoming alarm for us to |
| * actually go in to idle mode. |
| */ |
| private static final long DEFAULT_MIN_TIME_TO_ALARM = !DEBUG ? 60*60*1000L |
| : 5 * 60 * 1000L; |
| |
| private AlarmManager mAlarmManager; |
| private IBatteryStats mBatteryStats; |
| private PowerManagerInternal mLocalPowerManager; |
| private INetworkPolicyManager mNetworkPolicyManager; |
| private DisplayManager mDisplayManager; |
| private SensorManager mSensorManager; |
| private Sensor mSigMotionSensor; |
| private PendingIntent mAlarmIntent; |
| private Intent mIdleIntent; |
| private Display mCurDisplay; |
| private boolean mIdleDisabled; |
| 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 in the idle state, trying to stay asleep as much as possible. */ |
| private static final int STATE_IDLE = 3; |
| /** Device is in the idle state, but temporarily out of idle to do regular maintenance. */ |
| private static final int STATE_IDLE_MAINTENANCE = 4; |
| 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_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. |
| */ |
| 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 that have been white-listed to opt out of power save restrictions. |
| */ |
| private final SparseBooleanArray mPowerSaveWhitelistAppIds = 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[] mPowerSaveWhitelistAppIdArray = 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(); |
| } |
| } |
| }; |
| |
| 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; |
| |
| final class MyHandler extends Handler { |
| MyHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_WRITE_CONFIG: { |
| handleWriteConfigFile(); |
| } break; |
| case MSG_REPORT_IDLE_ON: { |
| mLocalPowerManager.setDeviceIdleMode(true); |
| try { |
| mNetworkPolicyManager.setDeviceIdleMode(true); |
| mBatteryStats.noteDeviceIdleMode(true, false, false); |
| } catch (RemoteException e) { |
| } |
| getContext().sendBroadcastAsUser(mIdleIntent, UserHandle.ALL); |
| } break; |
| case MSG_REPORT_IDLE_OFF: { |
| mLocalPowerManager.setDeviceIdleMode(false); |
| try { |
| mNetworkPolicyManager.setDeviceIdleMode(false); |
| mBatteryStats.noteDeviceIdleMode(false, false, false); |
| } catch (RemoteException e) { |
| } |
| getContext().sendBroadcastAsUser(mIdleIntent, UserHandle.ALL); |
| } break; |
| case MSG_REPORT_ACTIVE: { |
| boolean fromMotion = msg.arg1 != 0; |
| boolean needBroadcast = msg.arg2 != 0; |
| mLocalPowerManager.setDeviceIdleMode(false); |
| try { |
| mNetworkPolicyManager.setDeviceIdleMode(false); |
| mBatteryStats.noteDeviceIdleMode(false, !fromMotion, fromMotion); |
| } catch (RemoteException e) { |
| } |
| if (needBroadcast) { |
| getContext().sendBroadcastAsUser(mIdleIntent, UserHandle.ALL); |
| } |
| } 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[] getSystemPowerWhitelist() { |
| return getSystemPowerWhitelistInternal(); |
| } |
| |
| @Override public String[] getFullPowerWhitelist() { |
| return getFullPowerWhitelistInternal(); |
| } |
| |
| @Override public int[] getAppIdWhitelist() { |
| return getAppIdWhitelistInternal(); |
| } |
| |
| @Override public boolean isPowerSaveWhitelistApp(String name) { |
| return isPowerSaveWhitelistAppInternal(name); |
| } |
| |
| @Override protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| DeviceIdleController.this.dump(fd, pw, args); |
| } |
| } |
| |
| 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) { |
| SystemConfig sysConfig = SystemConfig.getInstance(); |
| 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) { |
| mPowerSaveWhitelistApps.put(ai.packageName, |
| UserHandle.getAppId(ai.uid)); |
| } |
| } catch (PackageManager.NameNotFoundException e) { |
| } |
| } |
| |
| 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 = DEFAULT_INACTIVE_TIMEOUT; |
| } |
| |
| publishBinderService(SERVICE_NAME, new BinderService()); |
| } |
| |
| @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); |
| |
| Intent intent = new Intent(ACTION_STEP_IDLE_STATE) |
| .setPackage("android") |
| .setFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| mAlarmIntent = PendingIntent.getBroadcast(getContext(), 0, intent, 0); |
| |
| mIdleIntent = new Intent(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED); |
| mIdleIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(Intent.ACTION_BATTERY_CHANGED); |
| filter.addAction(ACTION_STEP_IDLE_STATE); |
| getContext().registerReceiver(mReceiver, filter); |
| |
| mLocalPowerManager.setDeviceIdleWhitelist(mPowerSaveWhitelistAppIdArray); |
| |
| 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[] getSystemPowerWhitelistInternal() { |
| synchronized (this) { |
| int size = mPowerSaveWhitelistApps.size(); |
| String[] apps = new String[size]; |
| for (int i = 0; i < mPowerSaveWhitelistApps.size(); i++) { |
| apps[i] = mPowerSaveWhitelistApps.keyAt(i); |
| } |
| 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 isPowerSaveWhitelistAppInternal(String packageName) { |
| synchronized (this) { |
| return mPowerSaveWhitelistApps.containsKey(packageName) |
| || mPowerSaveWhitelistUserApps.containsKey(packageName); |
| } |
| } |
| |
| public int[] getAppIdWhitelistInternal() { |
| synchronized (this) { |
| return mPowerSaveWhitelistAppIdArray; |
| } |
| } |
| |
| 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 (!screenOn && mScreenOn) { |
| mScreenOn = false; |
| becomeInactiveIfAppropriateLocked(); |
| } else if (screenOn) { |
| mScreenOn = true; |
| becomeActiveLocked("screen"); |
| } |
| } |
| |
| void updateChargingLocked(boolean charging) { |
| if (!charging && mCharging) { |
| mCharging = false; |
| becomeInactiveIfAppropriateLocked(); |
| } else if (charging) { |
| mCharging = charging; |
| becomeActiveLocked("charging"); |
| } |
| } |
| |
| void scheduleReportActiveLocked(boolean fromMotion) { |
| Message msg = mHandler.obtainMessage(MSG_REPORT_ACTIVE, fromMotion ? 1 : 0, |
| mState == STATE_IDLE ? 1 : 0); |
| mHandler.sendMessage(msg); |
| } |
| |
| void becomeActiveLocked(String reason) { |
| if (mState != STATE_ACTIVE) { |
| EventLogTags.writeDeviceIdle(STATE_ACTIVE, reason); |
| scheduleReportActiveLocked(false); |
| mState = STATE_ACTIVE; |
| mInactiveTimeout = DEFAULT_INACTIVE_TIMEOUT; |
| mNextIdlePendingDelay = 0; |
| mNextIdleDelay = 0; |
| cancelAlarmLocked(); |
| stopMonitoringSignificantMotion(); |
| } |
| } |
| |
| void becomeInactiveIfAppropriateLocked() { |
| if (!mScreenOn && !mCharging && !mIdleDisabled && 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; |
| mNextIdlePendingDelay = 0; |
| mNextIdleDelay = 0; |
| scheduleAlarmLocked(mInactiveTimeout, false); |
| EventLogTags.writeDeviceIdle(mState, "no activity"); |
| } |
| } |
| |
| void stepIdleStateLocked() { |
| EventLogTags.writeDeviceIdleStep(); |
| |
| final long now = SystemClock.elapsedRealtime(); |
| if ((now+DEFAULT_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"); |
| } |
| 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(DEFAULT_IDLE_AFTER_INACTIVE_TIMEOUT, false); |
| // Reset the upcoming idle delays. |
| mNextIdlePendingDelay = DEFAULT_IDLE_PENDING_TIMEOUT; |
| mNextIdleDelay = DEFAULT_IDLE_TIMEOUT; |
| mState = STATE_IDLE_PENDING; |
| EventLogTags.writeDeviceIdle(mState, "step"); |
| break; |
| case STATE_IDLE_PENDING: |
| case STATE_IDLE_MAINTENANCE: |
| // We have been waiting to become idle, and now it is time! This is the |
| // only case where we want to use a wakeup alarm, because we do want to |
| // drag the device out of its sleep state in this case to do the next |
| // scheduled work. |
| scheduleAlarmLocked(mNextIdleDelay, true); |
| mNextIdleDelay = (long)(mNextIdleDelay*DEFAULT_IDLE_FACTOR); |
| if (mNextIdleDelay > DEFAULT_MAX_IDLE_TIMEOUT) { |
| mNextIdleDelay = DEFAULT_MAX_IDLE_TIMEOUT; |
| } |
| mState = STATE_IDLE; |
| EventLogTags.writeDeviceIdle(mState, "step"); |
| 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); |
| mNextIdlePendingDelay = (long)(mNextIdlePendingDelay*DEFAULT_IDLE_PENDING_FACTOR); |
| if (mNextIdlePendingDelay > DEFAULT_MAX_IDLE_PENDING_TIMEOUT) { |
| mNextIdlePendingDelay = DEFAULT_MAX_IDLE_PENDING_TIMEOUT; |
| } |
| mState = STATE_IDLE_MAINTENANCE; |
| EventLogTags.writeDeviceIdle(mState, "step"); |
| mHandler.sendEmptyMessage(MSG_REPORT_IDLE_OFF); |
| break; |
| } |
| } |
| |
| void 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(true); |
| mState = STATE_ACTIVE; |
| mInactiveTimeout = DEFAULT_MOTION_INACTIVE_TIMEOUT; |
| EventLogTags.writeDeviceIdle(mState, "motion"); |
| becomeInactiveIfAppropriateLocked(); |
| } |
| } |
| |
| void startMonitoringSignificantMotion() { |
| if (mSigMotionSensor != null && !mSigMotionActive) { |
| mSensorManager.requestTriggerSensor(mSigMotionListener, mSigMotionSensor); |
| mSigMotionActive = true; |
| } |
| } |
| |
| void stopMonitoringSignificantMotion() { |
| if (mSigMotionActive) { |
| mSensorManager.cancelTriggerSensor(mSigMotionListener, mSigMotionSensor); |
| mSigMotionActive = false; |
| } |
| } |
| |
| void cancelAlarmLocked() { |
| if (mNextAlarmTime != 0) { |
| mNextAlarmTime = 0; |
| mAlarmManager.cancel(mAlarmIntent); |
| } |
| } |
| |
| void scheduleAlarmLocked(long delay, boolean 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); |
| } |
| } |
| |
| private void updateWhitelistAppIdsLocked() { |
| mPowerSaveWhitelistAppIds.clear(); |
| for (int i=0; i<mPowerSaveWhitelistApps.size(); i++) { |
| mPowerSaveWhitelistAppIds.put(mPowerSaveWhitelistApps.valueAt(i), true); |
| } |
| for (int i=0; i<mPowerSaveWhitelistUserApps.size(); i++) { |
| mPowerSaveWhitelistAppIds.put(mPowerSaveWhitelistUserApps.valueAt(i), true); |
| } |
| int size = mPowerSaveWhitelistAppIds.size(); |
| int[] appids = new int[size]; |
| for (int i = 0; i < size; i++) { |
| appids[i] = mPowerSaveWhitelistAppIds.keyAt(i); |
| } |
| mPowerSaveWhitelistAppIdArray = appids; |
| if (mLocalPowerManager != null) { |
| mLocalPowerManager.setDeviceIdleWhitelist(mPowerSaveWhitelistAppIdArray); |
| } |
| } |
| |
| private void reportPowerSaveWhitelistChangedLocked() { |
| Intent intent = new Intent(PowerManager.ACTION_POWER_SAVE_WHITELIST_CHANGED); |
| intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY); |
| getContext().sendBroadcast(intent); |
| } |
| |
| void readConfigFileLocked() { |
| 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, null); |
| 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, "utf-8"); |
| 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(" 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(" whitelist"); |
| pw.println(" Add (prefix with +) or remove (prefix with -) packages."); |
| } |
| |
| 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) { |
| for (int i=0; i<args.length; i++) { |
| String arg = args[i]; |
| if ("-h".equals(arg)) { |
| dumpHelp(pw); |
| return; |
| } else if ("-a".equals(arg)) { |
| // Ignore, we always dump all. |
| } else if ("step".equals(arg)) { |
| synchronized (this) { |
| stepIdleStateLocked(); |
| pw.print("Stepped to: "); pw.println(stateToString(mState)); |
| } |
| return; |
| } else if ("disable".equals(arg)) { |
| synchronized (this) { |
| if (!mIdleDisabled) { |
| mIdleDisabled = true; |
| becomeActiveLocked("disabled"); |
| pw.println("Idle mode disabled"); |
| } |
| } |
| return; |
| } else if ("enable".equals(arg)) { |
| synchronized (this) { |
| if (mIdleDisabled) { |
| mIdleDisabled = false; |
| becomeInactiveIfAppropriateLocked(); |
| pw.println("Idle mode enabled"); |
| } |
| } |
| return; |
| } else if ("whitelist".equals(arg)) { |
| i++; |
| 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); |
| } |
| } |
| } |
| return; |
| } else if (arg.length() > 0 && arg.charAt(0) == '-'){ |
| pw.println("Unknown option: " + arg); |
| return; |
| } else { |
| pw.println("Unknown command: " + arg); |
| return; |
| } |
| } |
| } |
| |
| synchronized (this) { |
| int 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 = mPowerSaveWhitelistAppIds.size(); |
| if (size > 0) { |
| pw.println(" Whitelist app uids:"); |
| for (int i = 0; i < size; i++) { |
| pw.print(" UID="); |
| pw.print(mPowerSaveWhitelistAppIds.keyAt(i)); |
| pw.print(": "); |
| pw.print(mPowerSaveWhitelistAppIds.valueAt(i)); |
| pw.println(); |
| } |
| } |
| pw.print(" mSigMotionSensor="); pw.println(mSigMotionSensor); |
| pw.print(" mCurDisplay="); pw.println(mCurDisplay); |
| pw.print(" mIdleDisabled="); pw.println(mIdleDisabled); |
| 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(); |
| } |
| } |
| } |
| } |