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_SWITCH_INPUT_MAPPER_H
18 #define _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H
19 
20 #include "InputMapper.h"
21 
22 namespace android {
23 
24 class SwitchInputMapper : public InputMapper {
25 public:
26     explicit SwitchInputMapper(InputDevice* device);
27     virtual ~SwitchInputMapper();
28 
29     virtual uint32_t getSources();
30     virtual void process(const RawEvent* rawEvent);
31 
32     virtual int32_t getSwitchState(uint32_t sourceMask, int32_t switchCode);
33     virtual void dump(std::string& dump);
34 
35 private:
36     uint32_t mSwitchValues;
37     uint32_t mUpdatedSwitchMask;
38 
39     void processSwitch(int32_t switchCode, int32_t switchValue);
40     void sync(nsecs_t when);
41 };
42 
43 } // namespace android
44 
45 #endif // _UI_INPUTREADER_SWITCH_INPUT_MAPPER_H