Allow touch if some pointers are MT_TOOL_PALM am: 6560004049 am: 182306f5cb (7d420470) · Commits · e / os / platform_frameworks_native

include/input/Input.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -86,6 +86,13 @@ constexpr int32_t VERIFIED_KEY_EVENT_FLAGS = AKEY_EVENT_FLAG_CANCELED;
		constexpr int32_t VERIFIED_MOTION_EVENT_FLAGS =
		AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED \| AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED;

		/**
		* This flag indicates that the point up event has been canceled.
		* Typically this is used for palm event when the user has accidental touches.
		* TODO: Adjust flag to public api
		*/
		constexpr int32_t AMOTION_EVENT_FLAG_CANCELED = 0x20;

		enum {
		/* Used when a motion event is not associated with any display.
		* Typically used for non-pointer events. */

services/inputflinger/reader/mapper/MultiTouchInputMapper.cpp

+17 −4

Original line number	Diff line number	Diff line
		@@ -236,6 +236,20 @@ void MultiTouchInputMapper::process(const RawEvent* rawEvent) {
		mMultiTouchMotionAccumulator.process(rawEvent);
		}

		std::optional<int32_t> MultiTouchInputMapper::getActiveBitId(
		const MultiTouchMotionAccumulator::Slot& inSlot) {
		if (mHavePointerIds) {
		int32_t trackingId = inSlot.getTrackingId();
		for (BitSet32 idBits(mPointerIdBits); !idBits.isEmpty();) {
		int32_t n = idBits.clearFirstMarkedBit();
		if (mPointerTrackingIdMap[n] == trackingId) {
		return std::make_optional(n);
		}
		}
		}
		return std::nullopt;
		}

		void MultiTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
		size_t inCount = mMultiTouchMotionAccumulator.getSlotCount();
		size_t outCount = 0;
		@@ -250,10 +264,9 @@ void MultiTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
		}

		if (inSlot->getToolType() == AMOTION_EVENT_TOOL_TYPE_PALM) {
		if (!mCurrentMotionAborted) {
		ALOGI("Canceling touch gesture from device %s because the palm event was detected",
		getDeviceName().c_str());
		cancelTouch(when);
		std::optional<int32_t> id = getActiveBitId(*inSlot);
		if (id) {
		outState->rawPointerData.canceledIdBits.markBit(id.value());
		}
		continue;
		}

services/inputflinger/reader/mapper/MultiTouchInputMapper.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -103,6 +103,8 @@ protected:
		bool hasStylus() const override;

		private:
		// If the slot is in use, return the bit id. Return std::nullopt otherwise.
		std::optional<int32_t> getActiveBitId(const MultiTouchMotionAccumulator::Slot& inSlot);
		MultiTouchMotionAccumulator mMultiTouchMotionAccumulator;

		// Specifies the pointer id bits that are in use, and their associated tracking id.

services/inputflinger/reader/mapper/TouchInputMapper.cpp

+16 −6

Original line number	Diff line number	Diff line
		@@ -104,6 +104,7 @@ void RawPointerData::copyFrom(const RawPointerData& other) {
		pointerCount = other.pointerCount;
		hoveringIdBits = other.hoveringIdBits;
		touchingIdBits = other.touchingIdBits;
		canceledIdBits = other.canceledIdBits;

		for (uint32_t i = 0; i < pointerCount; i++) {
		pointers[i] = other.pointers[i];
		@@ -140,6 +141,7 @@ void CookedPointerData::clear() {
		pointerCount = 0;
		hoveringIdBits.clear();
		touchingIdBits.clear();
		canceledIdBits.clear();
		}

		void CookedPointerData::copyFrom(const CookedPointerData& other) {
		@@ -1444,10 +1446,11 @@ void TouchInputMapper::sync(nsecs_t when) {

		#if DEBUG_RAW_EVENTS
		ALOGD("syncTouch: pointerCount %d -> %d, touching ids 0x%08x -> 0x%08x, "
		"hovering ids 0x%08x -> 0x%08x",
		"hovering ids 0x%08x -> 0x%08x, canceled ids 0x%08x",
		last->rawPointerData.pointerCount, next->rawPointerData.pointerCount,
		last->rawPointerData.touchingIdBits.value, next->rawPointerData.touchingIdBits.value,
		last->rawPointerData.hoveringIdBits.value, next->rawPointerData.hoveringIdBits.value);
		last->rawPointerData.hoveringIdBits.value, next->rawPointerData.hoveringIdBits.value,
		next->rawPointerData.canceledIdBits.value);
		#endif

		processRawTouches(false /timeout/);
		@@ -1892,14 +1895,15 @@ void TouchInputMapper::dispatchTouches(nsecs_t when, uint32_t policyFlags) {
		// Dispatch pointer up events.
		while (!upIdBits.isEmpty()) {
		uint32_t upId = upIdBits.clearFirstMarkedBit();

		dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_UP, 0, 0,
		metaState, buttonState, 0,
		bool isCanceled = mCurrentCookedState.cookedPointerData.canceledIdBits.hasBit(upId);
		dispatchMotion(when, policyFlags, mSource, AMOTION_EVENT_ACTION_POINTER_UP, 0,
		isCanceled ? AMOTION_EVENT_FLAG_CANCELED : 0, metaState, buttonState, 0,
		mLastCookedState.cookedPointerData.pointerProperties,
		mLastCookedState.cookedPointerData.pointerCoords,
		mLastCookedState.cookedPointerData.idToIndex, dispatchedIdBits, upId,
		mOrientedXPrecision, mOrientedYPrecision, mDownTime);
		dispatchedIdBits.clearBit(upId);
		mCurrentCookedState.cookedPointerData.canceledIdBits.clearBit(upId);
		}

		// Dispatch move events if any of the remaining pointers moved from their old locations.
		@@ -2025,6 +2029,8 @@ void TouchInputMapper::cookPointerData() {
		mCurrentRawState.rawPointerData.hoveringIdBits;
		mCurrentCookedState.cookedPointerData.touchingIdBits =
		mCurrentRawState.rawPointerData.touchingIdBits;
		mCurrentCookedState.cookedPointerData.canceledIdBits =
		mCurrentRawState.rawPointerData.canceledIdBits;

		if (mCurrentCookedState.cookedPointerData.pointerCount == 0) {
		mCurrentCookedState.buttonState = 0;
		@@ -3563,7 +3569,11 @@ void TouchInputMapper::dispatchMotion(nsecs_t when, uint32_t policyFlags, uint32
		if (action == AMOTION_EVENT_ACTION_POINTER_DOWN) {
		action = AMOTION_EVENT_ACTION_DOWN;
		} else if (action == AMOTION_EVENT_ACTION_POINTER_UP) {
		if ((flags & AMOTION_EVENT_FLAG_CANCELED) != 0) {
		action = AMOTION_EVENT_ACTION_CANCEL;
		} else {
		action = AMOTION_EVENT_ACTION_UP;
		}
		} else {
		// Can't happen.
		ALOG_ASSERT(false);

services/inputflinger/reader/mapper/TouchInputMapper.h

+3 −2

Original line number	Diff line number	Diff line
		@@ -71,7 +71,7 @@ struct RawPointerData {

		uint32_t pointerCount;
		Pointer pointers[MAX_POINTERS];
		BitSet32 hoveringIdBits, touchingIdBits;
		BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits;
		uint32_t idToIndex[MAX_POINTER_ID + 1];

		RawPointerData();
		@@ -90,6 +90,7 @@ struct RawPointerData {
		inline void clearIdBits() {
		hoveringIdBits.clear();
		touchingIdBits.clear();
		canceledIdBits.clear();
		}

		inline const Pointer& pointerForId(uint32_t id) const { return pointers[idToIndex[id]]; }
		@@ -102,7 +103,7 @@ struct CookedPointerData {
		uint32_t pointerCount;
		PointerProperties pointerProperties[MAX_POINTERS];
		PointerCoords pointerCoords[MAX_POINTERS];
		BitSet32 hoveringIdBits, touchingIdBits;
		BitSet32 hoveringIdBits, touchingIdBits, canceledIdBits;
		uint32_t idToIndex[MAX_POINTER_ID + 1];

		CookedPointerData();