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_VIBRATOR_INPUT_MAPPER_H
18 #define _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H
19 
20 #include "InputMapper.h"
21 
22 namespace android {
23 
24 class VibratorInputMapper : public InputMapper {
25 public:
26     explicit VibratorInputMapper(InputDeviceContext& deviceContext);
27     virtual ~VibratorInputMapper();
28 
29     virtual uint32_t getSources() override;
30     virtual void populateDeviceInfo(InputDeviceInfo* deviceInfo) override;
31     virtual void process(const RawEvent* rawEvent) override;
32 
33     virtual void vibrate(const nsecs_t* pattern, size_t patternSize, ssize_t repeat,
34                          int32_t token) override;
35     virtual void cancelVibrate(int32_t token) override;
36     virtual void timeoutExpired(nsecs_t when) override;
37     virtual void dump(std::string& dump) override;
38 
39 private:
40     bool mVibrating;
41     nsecs_t mPattern[MAX_VIBRATE_PATTERN_SIZE];
42     size_t mPatternSize;
43     ssize_t mRepeat;
44     int32_t mToken;
45     ssize_t mIndex;
46     nsecs_t mNextStepTime;
47 
48     void nextStep();
49     void stopVibrating();
50 };
51 
52 } // namespace android
53 
54 #endif // _UI_INPUTREADER_VIBRATOR_INPUT_MAPPER_H