1 /* 2 * Copyright (c) 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 NAPI_DATASHARE_INNER_OBSERVER_H 17 #define NAPI_DATASHARE_INNER_OBSERVER_H 18 19 #include <uv.h> 20 21 #include "napi/native_common.h" 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 25 namespace OHOS { 26 namespace DataShare { 27 class NAPIInnerObserver : public std::enable_shared_from_this<NAPIInnerObserver> { 28 public: 29 NAPIInnerObserver(napi_env env, napi_value callback); 30 void OnChange(); 31 void DeleteReference(); 32 napi_ref GetCallback(); 33 private: 34 static void OnComplete(uv_work_t *work, int status); 35 struct ObserverWorker { 36 std::weak_ptr<NAPIInnerObserver> observer_; ObserverWorkerObserverWorker37 ObserverWorker(std::shared_ptr<NAPIInnerObserver> observerIn) 38 : observer_(observerIn) {} 39 }; 40 41 napi_env env_ = nullptr; 42 napi_ref ref_ = nullptr; 43 uv_loop_s *loop_ = nullptr; 44 }; 45 } // namespace DataShare 46 } // namespace OHOS 47 #endif //NAPI_DATASHARE_INNER_OBSERVER_H 48