1 /* 2 * Copyright (c) 2021 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_ACCOUNT_DELEGATE_H 17 #define DISTRIBUTEDDATAMGR_ACCOUNT_DELEGATE_H 18 19 #include <memory> 20 #include <mutex> 21 22 #include "executor_pool.h" 23 #include "types.h" 24 #include "visibility.h" 25 26 namespace OHOS { 27 namespace DistributedData { 28 enum class AccountStatus { 29 HARMONY_ACCOUNT_LOGIN = 0, // the openHarmony account is logged in 30 HARMONY_ACCOUNT_LOGOUT, // the openHarmony account is logged out 31 HARMONY_ACCOUNT_DELETE, // the openHarmony account is deleted 32 DEVICE_ACCOUNT_DELETE, // the device account is deleted 33 DEVICE_ACCOUNT_SWITCHED, // the device account is switched 34 DEVICE_ACCOUNT_UNLOCKED, // the device account is unlocked 35 DEVICE_ACCOUNT_STOPPING, // the device account is stopping 36 DEVICE_ACCOUNT_STOPPED, // the device account is stopped 37 }; 38 39 struct AccountEventInfo { 40 std::string harmonyAccountId; 41 std::string userId; 42 AccountStatus status; 43 }; 44 45 class AccountDelegate { 46 public: 47 class Observer { 48 public: 49 enum class LevelType { 50 HIGH, 51 LOW, 52 }; 53 API_EXPORT virtual ~Observer() = default; 54 API_EXPORT virtual void OnAccountChanged(const AccountEventInfo &eventInfo, int32_t timeout = 0) = 0; 55 56 // must specify unique name for observer 57 API_EXPORT virtual std::string Name() = 0; 58 API_EXPORT virtual LevelType GetLevel() = 0; 59 }; 60 using HashFunc = std::string (*)(const void *data, size_t size, bool isUpper); 61 API_EXPORT virtual ~AccountDelegate() = default; 62 API_EXPORT virtual int32_t Subscribe(std::shared_ptr<Observer> observer) = 0; 63 API_EXPORT virtual int32_t Unsubscribe(std::shared_ptr<Observer> observer) = 0; 64 API_EXPORT virtual std::string GetCurrentAccountId() const = 0; 65 API_EXPORT virtual int32_t GetUserByToken(uint32_t tokenId) const = 0; 66 API_EXPORT virtual void SubscribeAccountEvent() = 0; 67 API_EXPORT virtual void UnsubscribeAccountEvent() = 0; 68 API_EXPORT virtual bool QueryUsers(std::vector<int> &users) = 0; 69 API_EXPORT virtual bool QueryForegroundUsers(std::vector<int> &users) = 0; 70 API_EXPORT virtual bool QueryForegroundUserId(int &foregroundUserId) = 0; 71 API_EXPORT virtual bool IsLoginAccount() = 0; 72 API_EXPORT virtual bool IsVerified(int userId) = 0; 73 API_EXPORT virtual bool RegisterHashFunc(HashFunc hash) = 0; 74 API_EXPORT virtual bool IsDeactivating(int userId) = 0; 75 API_EXPORT virtual void BindExecutor(std::shared_ptr<ExecutorPool> executors) = 0; 76 API_EXPORT virtual std::string GetUnencryptedAccountId(int32_t userId = 0) const = 0; 77 API_EXPORT static AccountDelegate *GetInstance(); 78 API_EXPORT static bool RegisterAccountInstance(AccountDelegate *instance); 79 API_EXPORT virtual bool IsUserForeground(int32_t userId) = 0; 80 81 private: 82 static AccountDelegate *instance_; 83 }; 84 } // namespace DistributedKv 85 } // namespace OHOS 86 #endif // DISTRIBUTEDDATAMGR_ACCOUNT_DELEGATE_H