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 VIRTUAL_DEVICE_H
17 #define VIRTUAL_DEVICE_H
18 
19 #include <cstdint>
20 #include <vector>
21 
22 #include "linux/uinput.h"
23 #include "nocopyable.h"
24 
25 namespace OHOS {
26 namespace MMI {
27 class VirtualDevice {
28 public:
29     VirtualDevice(const char *deviceName, uint16_t productId);
30     DISALLOW_COPY_AND_MOVE(VirtualDevice);
31     virtual ~VirtualDevice();
32     bool EmitEvent(uint16_t type, uint16_t code, uint32_t value) const;
33     bool SetUp();
34 
35 private:
36     bool SetUpExt();
37 
38 protected:
39     virtual const std::vector<uint32_t>& GetEventTypes() const;
40     virtual const std::vector<uint32_t>& GetKeys() const;
41     virtual const std::vector<uint32_t>& GetProperties() const;
42     virtual const std::vector<uint32_t>& GetAbs() const;
43     virtual const std::vector<uint32_t>& GetRelBits() const;
44     int32_t fd_ { -1 };
45     const char * const deviceName_;
46     const uint16_t busType_;
47     const uint16_t vendorId_;
48     const uint16_t productId_;
49     const uint16_t version_;
50     uinput_user_dev dev_ {};
51 };
52 } // namespace MMI
53 } // namespace OHOS
54 #endif // VIRTUAL_DEVICE_H