1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef LIBINPUT_ADAPTER_H
17 #define LIBINPUT_ADAPTER_H
18 
19 #include <array>
20 #include <functional>
21 #include <thread>
22 #include <unordered_map>
23 
24 #include "hotplug_detector.h"
25 #include "libinput.h"
26 #include "nocopyable.h"
27 
28 namespace OHOS {
29 namespace MMI {
30 typedef std::function<void(void *event, int64_t frameTime)> FunInputEvent;
31 class LibinputAdapter final {
32 public:
33     static int32_t DeviceLedUpdate(struct libinput_device *device, int32_t funcKey, bool isEnable);
34     LibinputAdapter() = default;
35     DISALLOW_COPY_AND_MOVE(LibinputAdapter);
36     ~LibinputAdapter() = default;
37     bool Init(FunInputEvent funInputEvent);
38     void EventDispatch(int32_t fd);
39     void Stop();
40     void ProcessPendingEvents();
41     void ReloadDevice();
42 
GetInputFds()43     auto GetInputFds() const
44     {
45         return std::array{fd_, hotplugDetector_.GetFd()};
46     }
47 
48 private:
49     void OnEventHandler();
50     void OnDeviceAdded(std::string path);
51     void OnDeviceRemoved(std::string path);
52 
53     int32_t fd_ { -1 };
54     libinput *input_ { nullptr };
55 
56     FunInputEvent funInputEvent_;
57 
58     HotplugDetector hotplugDetector_;
59     std::unordered_map<std::string, libinput_device*> devices_;
60 };
61 } // namespace MMI
62 } // namespace OHOS
63 #endif // S_INPUT_H