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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 &&
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();
// TODO(b/351870641): Investigate why we are sometime not getting valid axis infos for the x/y
// axes, even though those axes are required to be supported.
if (const auto xInfo = getAbsoluteAxisInfo(ABS_X); xInfo.has_value()) {
mRawPointerAxes.x = *xInfo;
}
if (const auto yInfo = getAbsoluteAxisInfo(ABS_Y); yInfo.has_value()) {
mRawPointerAxes.y = *yInfo;
}
mRawPointerAxes.pressure = getAbsoluteAxisInfo(ABS_PRESSURE);
mRawPointerAxes.toolMajor = getAbsoluteAxisInfo(ABS_TOOL_WIDTH);
mRawPointerAxes.distance = getAbsoluteAxisInfo(ABS_DISTANCE);
mRawPointerAxes.tiltX = getAbsoluteAxisInfo(ABS_TILT_X);
mRawPointerAxes.tiltY = getAbsoluteAxisInfo(ABS_TILT_Y);
}
bool SingleTouchInputMapper::hasStylus() const {
return mTouchButtonAccumulator.hasStylus();
}
} // namespace android
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