1 /* 2 * Copyright (c) 2025 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 DATASHARESERVICE_PROXY_DATA_SUBSCRIBER_MANAGER_H 17 #define DATASHARESERVICE_PROXY_DATA_SUBSCRIBER_MANAGER_H 18 19 #include "concurrent_map.h" 20 #include "data_proxy_observer.h" 21 #include "dataproxy_handle_common.h" 22 23 namespace OHOS::DataShare { 24 struct ProxyDataKey { 25 ProxyDataKey(const std::string &uri, const std::string &bundleName); 26 bool operator<(const ProxyDataKey &rhs) const; 27 bool operator>(const ProxyDataKey &rhs) const; 28 bool operator<=(const ProxyDataKey &rhs) const; 29 bool operator>=(const ProxyDataKey &rhs) const; 30 bool operator==(const ProxyDataKey &rhs) const; 31 bool operator!=(const ProxyDataKey &rhs) const; 32 std::string uri; 33 std::string bundleName; 34 }; 35 36 class ProxyDataSubscriberManager { 37 public: 38 static ProxyDataSubscriberManager &GetInstance(); 39 DataProxyErrorCode Add(const ProxyDataKey &key, const sptr<IProxyDataObserver> &observer, 40 const std::string &bundleName, const std::string &callerAppIdentifier, const int32_t &userId); 41 DataProxyErrorCode Delete(const ProxyDataKey &key, const int32_t &userId); 42 void Emit(const std::vector<ProxyDataKey> &keys, const std::map<DataShareObserver::ChangeType, 43 std::vector<DataShareProxyData>> &datas, const int32_t &userId); 44 void Clear(); 45 46 private: 47 struct ObserverNode { 48 ObserverNode(const sptr<IProxyDataObserver> &observer, const uint32_t &callerTokenId, 49 const std::string &bundleName, const std::string &callerAppIdentifier, const int32_t &userId = 0); 50 sptr<IProxyDataObserver> observer; 51 uint32_t callerTokenId; 52 std::string bundleName; 53 std::string callerAppIdentifier; 54 int32_t userId = 0; 55 }; 56 57 bool CheckAllowList(const std::vector<std::string> &allowList, 58 const std::string &callerAppIdentifier); 59 ProxyDataSubscriberManager() = default; 60 ConcurrentMap<ProxyDataKey, std::vector<ObserverNode>> ProxyDataCache_; 61 }; 62 } // namespace OHOS::DataShare 63 #endif // DATASHARESERVICE_PROXY_DATA_SUBSCRIBER_MANAGER_H 64