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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 #ifndef _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
18 #define _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H
19 
20 #include "InputMapper.h"
21 
22 #include "SingleTouchMotionAccumulator.h"
23 #include "StylusState.h"
24 #include "TouchButtonAccumulator.h"
25 
26 namespace android {
27 
28 class ExternalStylusInputMapper : public InputMapper {
29 public:
30     explicit ExternalStylusInputMapper(InputDeviceContext& deviceContext);
31     virtual ~ExternalStylusInputMapper() = default;
32 
33     virtual uint32_t getSources() const override;
34     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
35     virtual void dump(std::string& dump) override;
36     virtual void configure(nsecs_t when, const InputReaderConfiguration* config,
37                            uint32_t changes) override;
38     virtual void reset(nsecs_t when) override;
39     virtual void process(const RawEvent* rawEvent) override;
40 
41 private:
42     SingleTouchMotionAccumulator mSingleTouchMotionAccumulator;
43     RawAbsoluteAxisInfo mRawPressureAxis;
44     TouchButtonAccumulator mTouchButtonAccumulator;
45 
46     StylusState mStylusState;
47 
48     void sync(nsecs_t when);
49 };
50 
51 } // namespace android
52 
53 #endif // _UI_INPUTREADER_EXTERNAL_STYLUS_INPUT_MAPPER_H