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 OHOS_JS_OBSERVER_H 17 #define OHOS_JS_OBSERVER_H 18 #include <memory> 19 #include "uv_queue.h" 20 namespace OHOS::DistributedData { 21 class JSObserver : public std::enable_shared_from_this<JSObserver> { 22 public: 23 JSObserver(std::shared_ptr <UvQueue> uvQueue, napi_value callback); 24 virtual ~JSObserver(); 25 napi_ref GetCallback(); 26 void Clear(); 27 protected: 28 void AsyncCall(UvQueue::NapiArgsGenerator genArgs = UvQueue::NapiArgsGenerator()); 29 private: 30 std::shared_ptr<UvQueue> uvQueue_; 31 napi_ref callback_; 32 }; 33 } // namespace OHOS::DistributedData 34 #endif // OHOS_JS_OBSERVER_H 35