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 NAPI_API_WEAK_REF_H 17 #define NAPI_API_WEAK_REF_H 18 19 #ifdef __OHOS_PLATFORM__ 20 #include "napi/native_api.h" 21 #else 22 #include <node_api.h> 23 #endif 24 25 #include "object.h" 26 27 namespace NapiApi { 28 29 class WeakRef { 30 public: 31 WeakRef() = default; 32 WeakRef(const NapiApi::WeakRef& ref); 33 WeakRef(NapiApi::WeakRef&& ref) noexcept; 34 WeakRef(NapiApi::Object obj); 35 WeakRef(napi_env env, napi_value obj); 36 37 NapiApi::WeakRef& operator=(const NapiApi::WeakRef& ref); 38 NapiApi::WeakRef& operator=(NapiApi::WeakRef&& ref) noexcept; 39 40 ~WeakRef(); 41 42 void Reset(); 43 bool IsEmpty() const; 44 napi_env GetEnv() const; 45 napi_value GetValue() const; 46 NapiApi::Object GetObject() const; 47 48 private: 49 napi_env env_ { nullptr }; 50 napi_ref ref_ { nullptr }; 51 }; 52 53 } // namespace NapiApi 54 55 #endif 56