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 OHOS_PASTEBOARD_SERVICES_DEVICE_DM_ADAPTER_H 17 #define OHOS_PASTEBOARD_SERVICES_DEVICE_DM_ADAPTER_H 18 #include <mutex> 19 #include <string> 20 21 #include "api/visibility.h" 22 #include "common/concurrent_map.h" 23 #include "dm_device_info.h" 24 25 namespace OHOS::MiscServices { 26 using namespace OHOS::DistributedHardware; 27 class API_EXPORT DMAdapter { 28 public: 29 static constexpr size_t MAX_ID_LEN = 64; 30 static constexpr size_t RESULT_OK = 0; 31 class DMObserver { 32 public: 33 virtual void Online(const std::string &device) = 0; 34 virtual void Offline(const std::string &device) = 0; 35 }; 36 static DMAdapter &GetInstance(); 37 bool Initialize(const std::string &pkgName); 38 const std::string &GetLocalDevice(); 39 const std::string GetLocalNetworkId(); 40 int32_t GetRemoteDeviceInfo(const std::string &networkId, DmDeviceInfo &remoteDevice); 41 std::string GetDeviceName(const std::string &networkId); 42 void Register(DMObserver *observer); 43 void Unregister(DMObserver *observer); 44 45 private: 46 static constexpr const char *NAME_EX = "dm_adapter"; 47 static constexpr const char *DEVICE_INVALID_NAME = "unknown"; 48 DMAdapter(); 49 ~DMAdapter(); 50 51 std::string pkgName_; 52 const std::string invalidDeviceId_{}; 53 const std::string invalidNetworkId_{}; 54 mutable std::mutex mutex_{}; 55 std::string localDeviceId_{}; 56 ConcurrentMap<DMObserver *, DMObserver *> observers_; 57 }; 58 } // namespace OHOS::MiscServices 59 #endif // OHOS_PASTEBOARD_SERVICES_DEVICE_DM_ADAPTER_H 60