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 PASTE_BOARD_DISTRIBUTE_MODULE_CONFIG_H 17 #define PASTE_BOARD_DISTRIBUTE_MODULE_CONFIG_H 18 19 #include "device/dm_adapter.h" 20 21 namespace OHOS { 22 namespace MiscServices { 23 class API_EXPORT DistributedModuleConfig : protected DMAdapter::DMObserver { 24 public: 25 using Observer = std::function<void(bool isOn)>; 26 bool IsOn(); 27 void Watch(const Observer &observer); 28 void Init(); 29 void DeInit(); 30 uint32_t GetRemoteDeviceMinVersion(); 31 uint32_t GetRemoteDeviceMaxVersion(); 32 static constexpr uint32_t FIRST_VERSION = 4; 33 static constexpr uint32_t SECOND_VERSION = 5; 34 35 protected: 36 void Online(const std::string &device) override; 37 void Offline(const std::string &device) override; 38 void OnReady(const std::string &device) override; 39 40 private: 41 std::pair<uint32_t, uint32_t> GetRemoteDeviceVersion(); 42 int32_t GetEnabledStatus(); 43 void Notify(); 44 void GetRetryTask(); 45 size_t GetDeviceNum(); 46 Observer observer_ = nullptr; 47 bool status_ = false; 48 std::atomic<bool> retrying_ = false; 49 static constexpr const char *SUPPORT_STATUS = "1"; 50 }; 51 } // namespace MiscServices 52 } // namespace OHOS 53 #endif // PASTE_BOARD_DISTRIBUTE_MODULE_CONFIG_H 54