Merge "Disable touch while using the stylus (Galaxy Note)" into jellybean (645da6d2) · Commits · e / os / android_frameworks_base

services/input/InputReader.cpp

+16 −0

Original line number	Diff line number	Diff line
		@@ -5215,6 +5215,7 @@ void TouchInputMapper::dispatchPointerStylus(nsecs_t when, uint32_t policyFlags)
		mPointerSimple.currentProperties.id = 0;
		mPointerSimple.currentProperties.toolType =
		mCurrentCookedPointerData.pointerProperties[index].toolType;
		mLastStylusTime = when;
		} else {
		down = false;
		hovering = false;
		@@ -5297,6 +5298,11 @@ void TouchInputMapper::dispatchPointerSimple(nsecs_t when, uint32_t policyFlags,
		}
		}

		if (rejectPalm(when)) { // stylus is currently active
		mPointerSimple.reset();
		return;
		}

		if (mPointerSimple.down && !down) {
		mPointerSimple.down = false;

		@@ -5407,6 +5413,9 @@ void TouchInputMapper::dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32
		const PointerProperties* properties, const PointerCoords* coords,
		const uint32_t* idToIndex, BitSet32 idBits,
		int32_t changedId, float xPrecision, float yPrecision, nsecs_t downTime) {

		if (rejectPalm(when)) return;

		PointerCoords pointerCoords[MAX_POINTERS];
		PointerProperties pointerProperties[MAX_POINTERS];
		uint32_t pointerCount = 0;
		@@ -5479,6 +5488,13 @@ void TouchInputMapper::fadePointer() {
		}
		}

		nsecs_t TouchInputMapper::mLastStylusTime = 0;

		bool TouchInputMapper::rejectPalm(nsecs_t when) {
		return (when - mLastStylusTime < mConfig.stylusPalmRejectionTime) &&
		mPointerSimple.currentProperties.toolType != AMOTION_EVENT_TOOL_TYPE_STYLUS;
		}

		bool TouchInputMapper::isPointInsideSurface(int32_t x, int32_t y) {
		return x >= mRawPointerAxes.x.minValue && x <= mRawPointerAxes.x.maxValue
		&& y >= mRawPointerAxes.y.minValue && y <= mRawPointerAxes.y.maxValue;

services/input/InputReader.h

+11 −1

Original line number	Diff line number	Diff line
		@@ -162,6 +162,9 @@ struct InputReaderConfiguration {
		// True to show the location of touches on the touch screen as spots.
		bool showTouches;

		// Ignore finger touches this long after the stylus has been used (including hover)
		nsecs_t stylusPalmRejectionTime;

		InputReaderConfiguration() :
		virtualKeyQuietTime(0),
		pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f, 3.0f),
		@@ -178,7 +181,9 @@ struct InputReaderConfiguration {
		pointerGestureSwipeMaxWidthRatio(0.25f),
		pointerGestureMovementSpeedRatio(0.8f),
		pointerGestureZoomSpeedRatio(0.3f),
		showTouches(false) { }
		showTouches(false),
		stylusPalmRejectionTime(50 * 10000000LL) // 50 ms
		{ }

		bool getDisplayInfo(int32_t displayId, bool external,
		int32_t* width, int32_t* height, int32_t* orientation) const;
		@@ -1549,6 +1554,9 @@ private:
		VelocityControl mWheelXVelocityControl;
		VelocityControl mWheelYVelocityControl;

		// The time the stylus event was processed by any TouchInputMapper
		static nsecs_t mLastStylusTime;

		void sync(nsecs_t when);

		bool consumeRawTouches(nsecs_t when, uint32_t policyFlags);
		@@ -1601,6 +1609,8 @@ private:
		const VirtualKey* findVirtualKeyHit(int32_t x, int32_t y);

		void assignPointerIds();

		bool rejectPalm(nsecs_t when);
		};