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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "SingleTouchInputMapper.h"
namespace android {
SingleTouchInputMapper::SingleTouchInputMapper(InputDeviceContext& deviceContext,
const InputReaderConfiguration& readerConfig)
: TouchInputMapper(deviceContext, readerConfig) {}
SingleTouchInputMapper::~SingleTouchInputMapper() {}
std::list<NotifyArgs> SingleTouchInputMapper::reset(nsecs_t when) {
mSingleTouchMotionAccumulator.reset(getDeviceContext());
return TouchInputMapper::reset(when);
}
std::list<NotifyArgs> SingleTouchInputMapper::process(const RawEvent* rawEvent) {
std::list<NotifyArgs> out = TouchInputMapper::process(rawEvent);
mSingleTouchMotionAccumulator.process(rawEvent);
return out;
}
void SingleTouchInputMapper::syncTouch(nsecs_t when, RawState* outState) {
if (mTouchButtonAccumulator.isToolActive()) {
outState->rawPointerData.pointerCount = 1;
outState->rawPointerData.idToIndex[0] = 0;
bool isHovering = mTouchButtonAccumulator.getToolType() != ToolType::MOUSE &&
(mTouchButtonAccumulator.isHovering() ||
(mRawPointerAxes.pressure.valid &&
mSingleTouchMotionAccumulator.getAbsolutePressure() <= 0));
outState->rawPointerData.markIdBit(0, isHovering);
RawPointerData::Pointer& outPointer = outState->rawPointerData.pointers[0];
outPointer.id = 0;
outPointer.x = mSingleTouchMotionAccumulator.getAbsoluteX();
outPointer.y = mSingleTouchMotionAccumulator.getAbsoluteY();
outPointer.pressure = mSingleTouchMotionAccumulator.getAbsolutePressure();
outPointer.touchMajor = 0;
outPointer.touchMinor = 0;
outPointer.toolMajor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
outPointer.toolMinor = mSingleTouchMotionAccumulator.getAbsoluteToolWidth();
outPointer.orientation = 0;
outPointer.distance = mSingleTouchMotionAccumulator.getAbsoluteDistance();
outPointer.tiltX = mSingleTouchMotionAccumulator.getAbsoluteTiltX();
outPointer.tiltY = mSingleTouchMotionAccumulator.getAbsoluteTiltY();
outPointer.toolType = mTouchButtonAccumulator.getToolType();
if (outPointer.toolType == ToolType::UNKNOWN) {
outPointer.toolType = ToolType::FINGER;
}
outPointer.isHovering = isHovering;
}
}
void SingleTouchInputMapper::configureRawPointerAxes() {
TouchInputMapper::configureRawPointerAxes();
getAbsoluteAxisInfo(ABS_X, &mRawPointerAxes.x);
getAbsoluteAxisInfo(ABS_Y, &mRawPointerAxes.y);
getAbsoluteAxisInfo(ABS_PRESSURE, &mRawPointerAxes.pressure);
getAbsoluteAxisInfo(ABS_TOOL_WIDTH, &mRawPointerAxes.toolMajor);
getAbsoluteAxisInfo(ABS_DISTANCE, &mRawPointerAxes.distance);
getAbsoluteAxisInfo(ABS_TILT_X, &mRawPointerAxes.tiltX);
getAbsoluteAxisInfo(ABS_TILT_Y, &mRawPointerAxes.tiltY);
}
bool SingleTouchInputMapper::hasStylus() const {
return mTouchButtonAccumulator.hasStylus();
}
} // namespace android
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