am 9ce3df55: Merge change I2c6e54e4 into eclair (b31174de) · Commits · e / os / android_frameworks_base

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

+49 −15

Original line number	Diff line number	Diff line
		@@ -93,6 +93,9 @@ class PowerManagerService extends IPowerManager.Stub
		// How long to wait to debounce light sensor changes.
		private static final int LIGHT_SENSOR_DELAY = 1000;

		// For debouncing the proximity sensor.
		private static final int PROXIMITY_SENSOR_DELAY = 1000;

		// trigger proximity if distance is less than 5 cm
		private static final float PROXIMITY_THRESHOLD = 5.0f;

		@@ -162,6 +165,8 @@ class PowerManagerService extends IPowerManager.Stub
		private boolean mKeyboardVisible = false;
		private boolean mUserActivityAllowed = true;
		private boolean mProximitySensorActive = false;
		private int mProximityPendingValue = -1; // -1 == nothing, 0 == inactive, 1 == active
		private long mLastProximityEventTime;
		private int mTotalDelaySetting;
		private int mKeylightDelay;
		private int mDimDelay;
		@@ -886,6 +891,8 @@ class PowerManagerService extends IPowerManager.Stub
		pw.println(" mStayOnWhilePluggedInPartialLock=" + mStayOnWhilePluggedInPartialLock);
		pw.println(" mPreventScreenOnPartialLock=" + mPreventScreenOnPartialLock);
		pw.println(" mProximitySensorActive=" + mProximitySensorActive);
		pw.println(" mProximityPendingValue=" + mProximityPendingValue);
		pw.println(" mLastProximityEventTime=" + mLastProximityEventTime);
		pw.println(" mLightSensorEnabled=" + mLightSensorEnabled);
		pw.println(" mLightSensorValue=" + mLightSensorValue);
		pw.println(" mLightSensorPendingValue=" + mLightSensorPendingValue);
		@@ -1895,6 +1902,17 @@ class PowerManagerService extends IPowerManager.Stub
		}
		}

		private Runnable mProximityTask = new Runnable() {
		public void run() {
		synchronized (mLocks) {
		if (mProximityPendingValue != -1) {
		proximityChangedLocked(mProximityPendingValue == 1);
		mProximityPendingValue = -1;
		}
		}
		}
		};

		private Runnable mAutoBrightnessTask = new Runnable() {
		public void run() {
		synchronized (mLocks) {
		@@ -2327,6 +2345,7 @@ class PowerManagerService extends IPowerManager.Stub
		long identity = Binder.clearCallingIdentity();
		try {
		mSensorManager.unregisterListener(mProximityListener);
		mHandler.removeCallbacks(mProximityTask);
		} finally {
		Binder.restoreCallingIdentity(identity);
		}
		@@ -2338,6 +2357,22 @@ class PowerManagerService extends IPowerManager.Stub
		}
		}

		private void proximityChangedLocked(boolean active) {
		if (mSpew) {
		Log.d(TAG, "proximityChangedLocked, active: " + active);
		}
		if (active) {
		goToSleepLocked(SystemClock.uptimeMillis());
		mProximitySensorActive = true;
		} else {
		// proximity sensor negative events trigger as user activity.
		// temporarily set mUserActivityAllowed to true so this will work
		// even when the keyguard is on.
		mProximitySensorActive = false;
		forceUserActivityLocked();
		}
		}

		private void enableLightSensor(boolean enable) {
		if (mDebugLightSensor) {
		Log.d(TAG, "enableLightSensor " + enable);
		@@ -2365,23 +2400,22 @@ class PowerManagerService extends IPowerManager.Stub
		long milliseconds = event.timestamp / 1000000;
		synchronized (mLocks) {
		float distance = event.values[0];
		long timeSinceLastEvent = milliseconds - mLastProximityEventTime;
		mLastProximityEventTime = milliseconds;
		mHandler.removeCallbacks(mProximityTask);

		// compare against getMaximumRange to support sensors that only return 0 or 1
		if (distance >= 0.0 && distance < PROXIMITY_THRESHOLD &&
		distance < mProximitySensor.getMaximumRange()) {
		if (mSpew) {
		Log.d(TAG, "onSensorChanged: proximity active, distance: " + distance);
		}
		goToSleepLocked(milliseconds);
		mProximitySensorActive = true;
		boolean active = (distance >= 0.0 && distance < PROXIMITY_THRESHOLD &&
		distance < mProximitySensor.getMaximumRange());

		if (timeSinceLastEvent < PROXIMITY_SENSOR_DELAY) {
		// enforce delaying atleast PROXIMITY_SENSOR_DELAY before processing
		mProximityPendingValue = (active ? 1 : 0);
		mHandler.postDelayed(mProximityTask, PROXIMITY_SENSOR_DELAY - timeSinceLastEvent);
		} else {
		// proximity sensor negative events trigger as user activity.
		// temporarily set mUserActivityAllowed to true so this will work
		// even when the keyguard is on.
		if (mSpew) {
		Log.d(TAG, "onSensorChanged: proximity inactive, distance: " + distance);
		}
		mProximitySensorActive = false;
		forceUserActivityLocked();
		// process the value immediately
		mProximityPendingValue = -1;
		proximityChangedLocked(active);
		}
		}
		}