1 /*
2  * Copyright (c) 2022-2023 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 BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_DISTRIBUTED_INCLUDE_DEVICE_CALLBACK_H
17 #define BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_DISTRIBUTED_INCLUDE_DEVICE_CALLBACK_H
18 
19 #include <string>
20 
21 #include "device_manager.h"
22 #include "dm_device_info.h"
23 
24 namespace OHOS {
25 namespace Notification {
26 class DistributedDeviceCallback : public DistributedHardware::DeviceStateCallback {
27 public:
28     /**
29      * @brief Device connection status changed callback function structure.
30      */
31     struct IDeviceChange {
32         std::function<void(const std::string &deviceId)> OnConnected;
33         std::function<void(const std::string &deviceId)> OnDisconnected;
34     };
35 
36     /**
37      * @brief The constructor.
38      *
39      * @param callback Device connection status changed callback.
40      */
41     explicit DistributedDeviceCallback(const IDeviceChange &callback);
42 
43     /**
44      * @brief The deconstructor.
45      */
46     virtual ~DistributedDeviceCallback();
47 
48 private:
49     void OnDeviceOnline(const DistributedHardware::DmDeviceInfo &deviceInfo) override;
50     void OnDeviceOffline(const DistributedHardware::DmDeviceInfo &deviceInfo) override;
51     void OnDeviceChanged(const DistributedHardware::DmDeviceInfo &deviceInfo) override;
52     void OnDeviceReady(const DistributedHardware::DmDeviceInfo &deviceInfo) override;
53 
54     IDeviceChange callback_;
55 };
56 }  // namespace Notification
57 }  // namespace OHOS
58 #endif // BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_DISTRIBUTED_INCLUDE_DEVICE_CALLBACK_H