1 /* 2 * Copyright (c) 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 DISTRIBUTEDDATAMGR_USER_DELEGATE_H 17 #define DISTRIBUTEDDATAMGR_USER_DELEGATE_H 18 19 #include <memory> 20 #include <set> 21 22 #include "account/account_delegate.h" 23 #include "concurrent_map.h" 24 #include "executor_pool.h" 25 #include "metadata/user_meta_data.h" 26 #include "visibility.h" 27 28 namespace OHOS::DistributedData { 29 using AccountDelegate = DistributedData::AccountDelegate; 30 using DistributedData::UserStatus; 31 class UserDelegate { 32 public: 33 struct UserEvent { 34 int id; 35 bool isActive; 36 }; 37 API_EXPORT static UserDelegate &GetInstance(); 38 39 API_EXPORT void Init(const std::shared_ptr<ExecutorPool> &executors); 40 API_EXPORT std::vector<UserStatus> GetLocalUserStatus(); 41 API_EXPORT std::set<std::string> GetLocalUsers(); 42 API_EXPORT std::vector<UserStatus> GetRemoteUserStatus(const std::string &deviceId); 43 API_EXPORT bool InitLocalUserMeta(); 44 45 API_EXPORT static constexpr const int SYSTEM_USER = 0; 46 47 private: 48 class LocalUserObserver : public AccountDelegate::Observer { 49 public: 50 explicit LocalUserObserver(UserDelegate &userDelegate); 51 void OnAccountChanged(const DistributedData::AccountEventInfo &eventInfo, int32_t timeout) override; 52 std::string Name() override; GetLevel()53 LevelType GetLevel() override 54 { 55 return LevelType::HIGH; 56 } 57 58 private: 59 UserDelegate &userDelegate_; 60 }; 61 std::vector<UserStatus> GetUsers(const std::string &deviceId); 62 void UpdateUsers(const std::string &deviceId, const std::vector<UserStatus> &userStatus); 63 void DeleteUsers(const std::string &deviceId); 64 bool NotifyUserEvent(const UserEvent &userEvent); 65 ExecutorPool::Task GeTask(); 66 67 static constexpr int RETRY_INTERVAL = 500; // millisecond 68 std::shared_ptr<ExecutorPool> executors_; 69 // device : { user : isActive } 70 ConcurrentMap<std::string, std::map<int, bool>> deviceUser_; 71 }; 72 } // namespace OHOS::DistributedData 73 74 #endif // DISTRIBUTEDDATAMGR_USER_DELEGATE_H 75