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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.
*/
#ifndef _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
#define _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H
#include "CursorScrollAccumulator.h"
#include "InputMapper.h"
namespace android {
class RotaryEncoderInputMapper : public InputMapper {
public:
explicit RotaryEncoderInputMapper(InputDeviceContext& deviceContext);
virtual ~RotaryEncoderInputMapper();
virtual uint32_t getSources() override;
virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
virtual void dump(std::string& dump) override;
virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
uint32_t changes) override;
virtual void reset(nsecs_t when) override;
virtual void process(const RawEvent* rawEvent) override;
private:
CursorScrollAccumulator mRotaryEncoderScrollAccumulator;
int32_t mSource;
float mScalingFactor;
int32_t mOrientation;
void sync(nsecs_t when, nsecs_t readTime);
};
} // namespace android
#endif // _UI_INPUTREADER_ROTARY_ENCODER_INPUT_MAPPER_H