1 /* 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 17 #pragma once 18 19 #include <optional> 20 21 #include "InputMapper.h" 22 23 #include "SingleTouchMotionAccumulator.h" 24 #include "StylusState.h" 25 #include "TouchButtonAccumulator.h" 26 27 namespace android { 28 29 class ExternalStylusInputMapper : public InputMapper { 30 public: 31 template <class T, class... Args> 32 friend std::unique_ptr<T> createInputMapper(InputDeviceContext& deviceContext, 33 const InputReaderConfiguration& readerConfig, 34 Args... args); 35 virtual ~ExternalStylusInputMapper() = default; 36 37 uint32_t getSources() const override; 38 void populateDeviceInfo(InputDeviceInfo& deviceInfo) override; 39 void dump(std::string& dump) override; 40 [[nodiscard]] std::list<NotifyArgs> reconfigure(nsecs_t when, 41 const InputReaderConfiguration& config, 42 ConfigurationChanges changes) override; 43 [[nodiscard]] std::list<NotifyArgs> reset(nsecs_t when) override; 44 [[nodiscard]] std::list<NotifyArgs> process(const RawEvent& rawEvent) override; 45 46 private: 47 SingleTouchMotionAccumulator mSingleTouchMotionAccumulator; 48 std::optional<RawAbsoluteAxisInfo> mRawPressureAxis; 49 TouchButtonAccumulator mTouchButtonAccumulator; 50 51 StylusState mStylusState; 52 53 explicit ExternalStylusInputMapper(InputDeviceContext& deviceContext, 54 const InputReaderConfiguration& readerConfig); 55 [[nodiscard]] std::list<NotifyArgs> sync(nsecs_t when); 56 }; 57 58 } // namespace android 59