| /* |
| * 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 |