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Prabir Pradhanbaa5c822019-08-30 15:27:05 -07001/*
2 * Copyright (C) 2019 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
Prabir Pradhan48108662022-09-09 21:22:04 +000017#pragma once
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070018
19#include "CursorScrollAccumulator.h"
20#include "InputMapper.h"
21
22namespace android {
23
24class RotaryEncoderInputMapper : public InputMapper {
25public:
Nathaniel R. Lewis26ec2222020-01-10 16:30:54 -080026 explicit RotaryEncoderInputMapper(InputDeviceContext& deviceContext);
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070027 virtual ~RotaryEncoderInputMapper();
28
Philip Junker4af3b3d2021-12-14 10:36:55 +010029 virtual uint32_t getSources() const override;
Prabir Pradhanf1fbf9e2019-09-04 16:29:40 -070030 virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
31 virtual void dump(std::string& dump) override;
32 virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
33 uint32_t changes) override;
34 virtual void reset(nsecs_t when) override;
35 virtual void process(const RawEvent* rawEvent) override;
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070036
37private:
38 CursorScrollAccumulator mRotaryEncoderScrollAccumulator;
39
40 int32_t mSource;
41 float mScalingFactor;
42 int32_t mOrientation;
43
Siarhei Vishniakou58ba3d12021-02-11 01:31:07 +000044 void sync(nsecs_t when, nsecs_t readTime);
Prabir Pradhanbaa5c822019-08-30 15:27:05 -070045};
46
47} // namespace android