PowerManager : Make proximity check opt-in (2323852b) · Commits · e / os / android_frameworks_base

core/res/res/values/config.xml

+6 −0

Original line number	Diff line number	Diff line
		@@ -1542,4 +1542,10 @@
		policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
		-->
		<integer name="config_longPressOnMenuBehavior">3</integer>

		<!-- Default value for proximity check on screen wake
		NOTE ! - Enable for devices that have a fast response proximity sensor (ideally < 300ms)
		-->
		<bool name="config_proximityCheckOnWake">false</bool>
		<integer name="config_proximityCheckTimeout">250</integer>
		</resources>

core/res/res/values/symbols.xml

+6 −0

Original line number	Diff line number	Diff line
		@@ -2023,4 +2023,10 @@

		<!-- External media format -->
		<java-symbol type="string" name="extmedia_format_message_cm" />

		<!-- Proximity check on screen on -->
		<java-symbol type="bool" name="config_proximityCheckOnWake" />

		<!-- Proximity check timeout -->
		<java-symbol type="integer" name="config_proximityCheckTimeout" />
		</resources>

services/java/com/android/server/power/PowerManagerService.java

+38 −10

Original line number	Diff line number	Diff line
		@@ -179,8 +179,7 @@ public final class PowerManagerService extends IPowerManager.Stub
		// Max time (microseconds) to allow a CPU boost for
		private static final int MAX_CPU_BOOST_TIME = 5000000;

		// Max time allowed for proximity check
		private static final int MAX_PROXIMITY_WAIT = 200;
		private static final float PROXIMITY_NEAR_THRESHOLD = 5.0f;

		private Context mContext;
		private LightsService mLightsService;
		@@ -422,7 +421,11 @@ public final class PowerManagerService extends IPowerManager.Stub
		private PerformanceManager mPerformanceManager;
		private SensorManager mSensorManager;
		private Sensor mProximitySensor;
		private boolean mProximityWake;
		private boolean mProximityWakeEnabled;
		private int mProximityTimeOut;
		private boolean mProximityWakeSupported;
		android.os.PowerManager.WakeLock mProximityWakeLock;
		SensorEventListener mProximityListener;

		public PowerManagerService() {
		synchronized (mLock) {
		@@ -607,6 +610,15 @@ public final class PowerManagerService extends IPowerManager.Stub
		com.android.internal.R.bool.config_dreamsActivatedOnSleepByDefault);
		mDreamsActivatedOnDockByDefaultConfig = resources.getBoolean(
		com.android.internal.R.bool.config_dreamsActivatedOnDockByDefault);
		mProximityTimeOut = resources.getInteger(
		com.android.internal.R.integer.config_proximityCheckTimeout);
		mProximityWakeSupported = resources.getBoolean(
		com.android.internal.R.bool.config_proximityCheckOnWake);
		if (mProximityWakeSupported) {
		PowerManager powerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
		mProximityWakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
		"ProximityWakeLock");
		}
		}

		private void updateSettingsLocked() {
		@@ -632,7 +644,7 @@ public final class PowerManagerService extends IPowerManager.Stub
		mWakeUpWhenPluggedOrUnpluggedSetting = Settings.Global.getInt(resolver,
		Settings.Global.WAKE_WHEN_PLUGGED_OR_UNPLUGGED,
		(mWakeUpWhenPluggedOrUnpluggedConfig ? 1 : 0));
		mProximityWake = Settings.System.getInt(resolver,
		mProximityWakeEnabled = Settings.System.getInt(resolver,
		Settings.System.PROXIMITY_ON_WAKE, 0) == 1;

		final int oldScreenBrightnessSetting = mScreenBrightnessSetting;
		@@ -1219,31 +1231,44 @@ public final class PowerManagerService extends IPowerManager.Stub
		// There is already a message queued;
		return;
		}
		if (mProximityWake && mProximitySensor != null) {
		if (mProximityWakeSupported && mProximityWakeEnabled && mProximitySensor != null) {
		Message msg = mHandler.obtainMessage(MSG_WAKE_UP);
		msg.obj = r;
		mHandler.sendMessageDelayed(msg, MAX_PROXIMITY_WAIT);
		mHandler.sendMessageDelayed(msg, mProximityTimeOut);
		runPostProximityCheck(r);
		} else {
		r.run();
		}
		}

		private void cleanupProximity() {
		if (mProximityWakeLock.isHeld()) {
		mProximityWakeLock.release();
		}
		if (mProximityListener != null) {
		mSensorManager.unregisterListener(mProximityListener);
		mProximityListener = null;
		}
		}

		private void runPostProximityCheck(final Runnable r) {
		if (mSensorManager == null) {
		r.run();
		return;
		}
		mSensorManager.registerListener(new SensorEventListener() {
		mProximityWakeLock.acquire();
		mProximityListener = new SensorEventListener() {
		@Override
		public void onSensorChanged(SensorEvent event) {
		mSensorManager.unregisterListener(this);
		cleanupProximity();
		if (!mHandler.hasMessages(MSG_WAKE_UP)) {
		Slog.w(TAG, "The proximity sensor took too long, wake event already triggered!");
		return;
		}
		mHandler.removeMessages(MSG_WAKE_UP);
		if (event.values[0] == mProximitySensor.getMaximumRange()) {
		float distance = event.values[0];
		if (distance >= PROXIMITY_NEAR_THRESHOLD \|\|
		distance >= mProximitySensor.getMaximumRange()) {
		r.run();
		}
		}
		@@ -1251,7 +1276,9 @@ public final class PowerManagerService extends IPowerManager.Stub
		@Override
		public void onAccuracyChanged(Sensor sensor, int accuracy) {}

		}, mProximitySensor, SensorManager.SENSOR_DELAY_FASTEST);
		};
		mSensorManager.registerListener(mProximityListener,
		mProximitySensor, SensorManager.SENSOR_DELAY_FASTEST);
		}

		@Override // Binder call
		@@ -2901,6 +2928,7 @@ public final class PowerManagerService extends IPowerManager.Stub
		checkIfBootAnimationFinished();
		break;
		case MSG_WAKE_UP:
		cleanupProximity();
		((Runnable) msg.obj).run();
		break;
		}