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/*
* Copyright 2023 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.
*/
#pragma once
#include <bitset>
#include <list>
#include <map>
#include <set>
#include <string>
#include <vector>
#include <android/input.h>
#include <input/Input.h>
#include <utils/Timers.h>
#include "EventHub.h"
#include "InputDevice.h"
#include "accumulator/CursorButtonAccumulator.h"
#include "accumulator/MultiTouchMotionAccumulator.h"
#include "accumulator/TouchButtonAccumulator.h"
namespace android {
class CapturedTouchpadEventConverter {
public:
explicit CapturedTouchpadEventConverter(InputReaderContext& readerContext,
const InputDeviceContext& deviceContext,
MultiTouchMotionAccumulator& motionAccumulator,
int32_t deviceId);
std::string dump() const;
void populateMotionRanges(InputDeviceInfo& info) const;
void reset();
[[nodiscard]] std::list<NotifyArgs> process(const RawEvent& rawEvent);
private:
void tryAddRawMotionRange(InputDeviceInfo& deviceInfo, int32_t androidAxis,
int32_t evdevAxis) const;
[[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when, nsecs_t readTime);
[[nodiscard]] NotifyMotionArgs makeMotionArgs(nsecs_t when, nsecs_t readTime, int32_t action,
const std::vector<PointerCoords>& coords,
const std::vector<PointerProperties>& properties,
int32_t actionButton = 0, int32_t flags = 0);
PointerCoords makePointerCoordsForSlot(const MultiTouchMotionAccumulator::Slot& slot) const;
int32_t allocatePointerIdToSlot(size_t slotNumber);
void freePointerIdForSlot(size_t slotNumber);
const int32_t mDeviceId;
InputReaderContext& mReaderContext;
const InputDeviceContext& mDeviceContext;
CursorButtonAccumulator mCursorButtonAccumulator;
MultiTouchMotionAccumulator& mMotionAccumulator;
float mOrientationScale = 0;
float mPressureScale = 1;
float mSizeScale = 0;
bool mHasTouchMajor;
const bool mHasTouchMinor;
bool mHasToolMajor;
const bool mHasToolMinor;
nsecs_t mDownTime = 0;
uint32_t mButtonState = 0;
std::bitset<MAX_POINTER_ID + 1> mPointerIdsInUse;
std::map<size_t, int32_t> mPointerIdForSlotNumber;
static constexpr uint32_t SOURCE = AINPUT_SOURCE_TOUCHPAD;
};
} // namespace android
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