Mirror LTRIGGER / RTRIGGER as BRAKE / GAS for compatibility (2b08c611) · Commits · e / os / android_frameworks_base

services/input/InputReader.cpp

+47 −6

Original line number	Diff line number	Diff line
		@@ -6110,13 +6110,40 @@ void JoystickInputMapper::populateDeviceInfo(InputDeviceInfo* info) {

		for (size_t i = 0; i < mAxes.size(); i++) {
		const Axis& axis = mAxes.valueAt(i);
		info->addMotionRange(axis.axisInfo.axis, AINPUT_SOURCE_JOYSTICK,
		axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
		addMotionRange(axis.axisInfo.axis, axis, info);

		if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
		info->addMotionRange(axis.axisInfo.highAxis, AINPUT_SOURCE_JOYSTICK,
		addMotionRange(axis.axisInfo.highAxis, axis, info);

		}
		}
		}

		void JoystickInputMapper::addMotionRange(int32_t axisId, const Axis& axis,
		InputDeviceInfo* info) {
		info->addMotionRange(axisId, AINPUT_SOURCE_JOYSTICK,
		axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
		/* In order to ease the transition for developers from using the old axes
		* to the newer, more semantically correct axes, we'll continue to register
		* the old axes as duplicates of their corresponding new ones. */
		int32_t compatAxis = getCompatAxis(axisId);
		if (compatAxis >= 0) {
		info->addMotionRange(compatAxis, AINPUT_SOURCE_JOYSTICK,
		axis.min, axis.max, axis.flat, axis.fuzz, axis.resolution);
		}
		}

		/* A mapping from axes the joystick actually has to the axes that should be
		* artificially created for compatibility purposes.
		* Returns -1 if no compatibility axis is needed. */
		int32_t JoystickInputMapper::getCompatAxis(int32_t axis) {
		switch(axis) {
		case AMOTION_EVENT_AXIS_LTRIGGER:
		return AMOTION_EVENT_AXIS_BRAKE;
		case AMOTION_EVENT_AXIS_RTRIGGER:
		return AMOTION_EVENT_AXIS_GAS;
		}
		return -1;
		}

		void JoystickInputMapper::dump(String8& dump) {
		@@ -6373,9 +6400,10 @@ void JoystickInputMapper::sync(nsecs_t when, bool force) {
		size_t numAxes = mAxes.size();
		for (size_t i = 0; i < numAxes; i++) {
		const Axis& axis = mAxes.valueAt(i);
		pointerCoords.setAxisValue(axis.axisInfo.axis, axis.currentValue);
		setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.axis, axis.currentValue);
		if (axis.axisInfo.mode == AxisInfo::MODE_SPLIT) {
		pointerCoords.setAxisValue(axis.axisInfo.highAxis, axis.highCurrentValue);
		setPointerCoordsAxisValue(&pointerCoords, axis.axisInfo.highAxis,
		axis.highCurrentValue);
		}
		}

		@@ -6391,6 +6419,19 @@ void JoystickInputMapper::sync(nsecs_t when, bool force) {
		getListener()->notifyMotion(&args);
		}

		void JoystickInputMapper::setPointerCoordsAxisValue(PointerCoords* pointerCoords,
		int32_t axis, float value) {
		pointerCoords->setAxisValue(axis, value);
		/* In order to ease the transition for developers from using the old axes
		* to the newer, more semantically correct axes, we'll continue to produce
		* values for the old axes as mirrors of the value of their corresponding
		* new axes. */
		int32_t compatAxis = getCompatAxis(axis);
		if (compatAxis >= 0) {
		pointerCoords->setAxisValue(compatAxis, value);
		}
		}

		bool JoystickInputMapper::filterAxes(bool force) {
		bool atLeastOneSignificantChange = force;
		size_t numAxes = mAxes.size();

services/input/InputReader.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -1805,6 +1805,11 @@ private:
		float newValue, float currentValue, float thresholdValue);

		static bool isCenteredAxis(int32_t axis);
		static int32_t getCompatAxis(int32_t axis);

		static void addMotionRange(int32_t axisId, const Axis& axis, InputDeviceInfo* info);
		static void setPointerCoordsAxisValue(PointerCoords* pointerCoords, int32_t axis,
		float value);
		};

		} // namespace android