Merge "Add latching threshold for ThresholdSensorImpl" into rvc-d1-dev am: d4fd553c18 (3870d8c0) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/values/config.xml

+13 −1

Original line number	Diff line number	Diff line
		@@ -205,14 +205,26 @@
		far break points. A sensor value less than this is considered "near". -->
		<item name="proximity_sensor_threshold" translatable="false" format="float" type="dimen"></item>

		<!-- If using proximity_sensor_type, specifies a threshold value to distinguish near and
		far break points. A sensor value more than this is considered "far". If not set,
		proximity_sensor_threshold is used. This allows one to implement a latching mechanism for
		noisy sensors. -->
		<item name="proximity_sensor_threshold_latch" translatable="false" format="float" type="dimen"></item>

		<!-- Override value to use for proximity sensor as confirmation for proximity_sensor_type. -->
		<string name="proximity_sensor_secondary_type" translatable="false"></string>

		<!-- If using proximity_sensor_confirmation_type, specifies a threshold value to distinguish
		<!-- If using proximity_sensor_secondary_type, specifies a threshold value to distinguish
		near and far break points. A sensor value less than this is considered "near". -->
		<item name="proximity_sensor_secondary_threshold" translatable="false" format="float"
		type="dimen"></item>

		<!-- If using proximity_sensor_secondary_type, specifies a threshold value to distinguish near and
		far break points. A sensor value more than this is considered "far". If not set,
		proximity_sensor_secondary_threshold is used. This allows one to implement a latching
		mechanism for noisy sensors. -->
		<item name="proximity_sensor_secondary_threshold_latch" translatable="false" format="float" type="dimen"></item>

		<!-- Doze: pulse parameter - how long does it take to fade in? -->
		<integer name="doze_pulse_duration_in">130</integer>

packages/SystemUI/src/com/android/systemui/util/sensors/SensorModule.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -38,6 +38,7 @@ public class SensorModule {
		.setSensorDelay(SensorManager.SENSOR_DELAY_NORMAL)
		.setSensorResourceId(R.string.proximity_sensor_type)
		.setThresholdResourceId(R.dimen.proximity_sensor_threshold)
		.setThresholdLatchResourceId(R.dimen.proximity_sensor_threshold_latch)
		.build();
		} catch (IllegalStateException e) {
		Sensor defaultSensor = sensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);
		@@ -56,6 +57,7 @@ public class SensorModule {
		return thresholdSensorBuilder
		.setSensorResourceId(R.string.proximity_sensor_secondary_type)
		.setThresholdResourceId(R.dimen.proximity_sensor_secondary_threshold)
		.setThresholdLatchResourceId(R.dimen.proximity_sensor_secondary_threshold_latch)
		.build();
		} catch (IllegalStateException e) {
		return thresholdSensorBuilder.setSensor(null).setThresholdValue(0).build();

packages/SystemUI/src/com/android/systemui/util/sensors/ThresholdSensorImpl.java

+54 −7

Original line number	Diff line number	Diff line
		@@ -44,14 +44,16 @@ class ThresholdSensorImpl implements ThresholdSensor {
		private List<Listener> mListeners = new ArrayList<>();
		private Boolean mLastBelow;
		private String mTag;
		private final float mThresholdLatch;
		private int mSensorDelay;

		private SensorEventListener mSensorEventListener = new SensorEventListener() {
		@Override
		public void onSensorChanged(SensorEvent event) {
		boolean below = event.values[0] < mThreshold;
		boolean above = event.values[0] > mThresholdLatch;
		logDebug("Sensor value: " + event.values[0]);
		onSensorEvent(below, event.timestamp);
		onSensorEvent(below, above, event.timestamp);
		}

		@Override
		@@ -60,10 +62,11 @@ class ThresholdSensorImpl implements ThresholdSensor {
		};

		private ThresholdSensorImpl(AsyncSensorManager sensorManager,
		Sensor sensor, float threshold, int sensorDelay) {
		Sensor sensor, float threshold, float thresholdLatch, int sensorDelay) {
		mSensorManager = sensorManager;
		mSensor = sensor;
		mThreshold = threshold;
		mThresholdLatch = thresholdLatch;
		mSensorDelay = sensorDelay;
		}

		@@ -165,13 +168,32 @@ class ThresholdSensorImpl implements ThresholdSensor {
		mLastBelow = null; // Forget what we know.
		}

		private void onSensorEvent(boolean below, long timestampNs) {
		/**
		* Call when the sensor reports a new value.
		*
		* Separate below-threshold and above-thresholds are specified. this allows latching behavior,
		* where a different threshold can be specified for triggering the sensor depending on if it's
		* going from above to below or below to above. To outside listeners of this class, the class
		* still appears entirely binary.
		*/
		private void onSensorEvent(boolean belowThreshold, boolean aboveThreshold, long timestampNs) {
		Assert.isMainThread();
		if (!mRegistered \|\| mLastBelow != null && mLastBelow == below) {
		if (!mRegistered) {
		return;
		}
		mLastBelow = below;
		alertListenersInternal(below, timestampNs);
		if (mLastBelow != null) {
		// If we last reported below and are not yet above, change nothing.
		if (mLastBelow && !aboveThreshold) {
		return;
		}
		// If we last reported above and are not yet below, change nothing.
		if (!mLastBelow && !belowThreshold) {
		return;
		}
		}
		mLastBelow = belowThreshold;
		logDebug("Alerting below: " + belowThreshold);
		alertListenersInternal(belowThreshold, timestampNs);
		}


		@@ -192,9 +214,11 @@ class ThresholdSensorImpl implements ThresholdSensor {
		private final AsyncSensorManager mSensorManager;
		private int mSensorDelay = SensorManager.SENSOR_DELAY_NORMAL;;
		private float mThresholdValue;
		private float mThresholdLatchValue;
		private Sensor mSensor;
		private boolean mSensorSet;
		private boolean mThresholdSet;
		private boolean mThresholdLatchValueSet;

		@Inject
		Builder(@Main Resources resources, AsyncSensorManager sensorManager) {
		@@ -222,6 +246,15 @@ class ThresholdSensorImpl implements ThresholdSensor {
		return this;
		}

		Builder setThresholdLatchResourceId(int thresholdLatchResourceId) {
		try {
		setThresholdLatchValue(mResources.getFloat(thresholdLatchResourceId));
		} catch (Resources.NotFoundException e) {
		// no-op
		}
		return this;
		}

		Builder setSensorType(String sensorType) {
		Sensor sensor = findSensorByType(sensorType);
		if (sensor != null) {
		@@ -233,6 +266,15 @@ class ThresholdSensorImpl implements ThresholdSensor {
		Builder setThresholdValue(float thresholdValue) {
		mThresholdValue = thresholdValue;
		mThresholdSet = true;
		if (!mThresholdLatchValueSet) {
		mThresholdLatchValue = mThresholdValue;
		}
		return this;
		}

		Builder setThresholdLatchValue(float thresholdLatchValue) {
		mThresholdLatchValue = thresholdLatchValue;
		mThresholdLatchValueSet = true;
		return this;
		}

		@@ -254,8 +296,13 @@ class ThresholdSensorImpl implements ThresholdSensor {
		throw new IllegalStateException("A threshold was not successfully set.");
		}

		if (mThresholdValue > mThresholdLatchValue) {
		throw new IllegalStateException(
		"Threshold must be less than or equal to Threshold Latch");
		}

		return new ThresholdSensorImpl(
		mSensorManager, mSensor, mThresholdValue, mSensorDelay);
		mSensorManager, mSensor, mThresholdValue, mThresholdLatchValue, mSensorDelay);
		}

		private Sensor findSensorByType(String sensorType) {

packages/SystemUI/tests/src/com/android/systemui/util/sensors/ThresholdSensorImplTest.java

+55 −5

Original line number	Diff line number	Diff line
		@@ -37,19 +37,21 @@ import org.junit.runner.RunWith;
		public class ThresholdSensorImplTest extends SysuiTestCase {

		private ThresholdSensorImpl mThresholdSensor;
		private FakeSensorManager mSensorManager;
		private AsyncSensorManager mAsyncSensorManager;
		private FakeSensorManager.FakeProximitySensor mFakeProximitySensor;

		@Before
		public void setUp() throws Exception {
		allowTestableLooperAsMainThread();
		FakeSensorManager sensorManager = new FakeSensorManager(getContext());
		mSensorManager = new FakeSensorManager(getContext());

		AsyncSensorManager asyncSensorManager = new AsyncSensorManager(
		sensorManager, null, new Handler());
		mAsyncSensorManager = new AsyncSensorManager(
		mSensorManager, null, new Handler());

		mFakeProximitySensor = sensorManager.getFakeProximitySensor();
		mFakeProximitySensor = mSensorManager.getFakeProximitySensor();
		ThresholdSensorImpl.Builder thresholdSensorBuilder = new ThresholdSensorImpl.Builder(
		null, asyncSensorManager);
		null, mAsyncSensorManager);
		mThresholdSensor = (ThresholdSensorImpl) thresholdSensorBuilder
		.setSensor(mFakeProximitySensor.getSensor())
		.setThresholdValue(mFakeProximitySensor.getSensor().getMaximumRange())
		@@ -226,6 +228,54 @@ public class ThresholdSensorImplTest extends SysuiTestCase {
		waitForSensorManager();
		}

		@Test
		public void testHysteresis() {
		float lowValue = 10f;
		float highValue = 100f;
		FakeSensorManager.FakeGenericSensor sensor = mSensorManager.getFakeLightSensor();
		ThresholdSensorImpl.Builder thresholdSensorBuilder = new ThresholdSensorImpl.Builder(
		null, mAsyncSensorManager);
		ThresholdSensorImpl thresholdSensor = (ThresholdSensorImpl) thresholdSensorBuilder
		.setSensor(sensor.getSensor())
		.setThresholdValue(lowValue)
		.setThresholdLatchValue(highValue)
		.build();

		TestableListener listener = new TestableListener();

		assertFalse(thresholdSensor.isRegistered());
		thresholdSensor.register(listener);
		waitForSensorManager();
		assertTrue(thresholdSensor.isRegistered());
		assertEquals(0, listener.mCallCount);

		sensor.sendSensorEvent(lowValue - 1);

		assertTrue(listener.mBelow);
		assertEquals(1, listener.mCallCount);

		sensor.sendSensorEvent(lowValue + 1);

		assertTrue(listener.mBelow);
		assertEquals(1, listener.mCallCount);

		sensor.sendSensorEvent(highValue + 1);

		assertFalse(listener.mBelow);
		assertEquals(2, listener.mCallCount);

		sensor.sendSensorEvent(highValue - 1);

		assertFalse(listener.mBelow);
		assertEquals(2, listener.mCallCount);


		sensor.sendSensorEvent(lowValue - 1);

		assertTrue(listener.mBelow);
		assertEquals(3, listener.mCallCount);
		}

		@Test
		public void testAlertAfterPause() {
		TestableListener listener = new TestableListener();