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 EVENT_HANDLER_ADAPTER_H 17 #define EVENT_HANDLER_ADAPTER_H 18 19 #include <memory> 20 #include <string> 21 22 namespace OHOS::NWeb { 23 24 class EventHandlerFDListenerAdapter { 25 public: 26 EventHandlerFDListenerAdapter() = default; 27 28 virtual ~EventHandlerFDListenerAdapter() = default; 29 30 virtual void OnReadable(int32_t fileDescriptor) = 0; 31 }; 32 33 class OnceCallbackAdapter { 34 public: 35 OnceCallbackAdapter() = default; 36 37 virtual ~OnceCallbackAdapter() = default; 38 39 virtual void OnRunnable() = 0; 40 }; 41 42 class EventHandlerAdapter { 43 public: 44 EventHandlerAdapter() = default; 45 46 virtual ~EventHandlerAdapter() = default; 47 48 virtual bool AddFileDescriptorListener( 49 int32_t fileDescriptor, uint32_t events, const std::shared_ptr<EventHandlerFDListenerAdapter> listener) = 0; 50 51 virtual void RemoveFileDescriptorListener(int32_t fileDescriptor) = 0; 52 PostTask(const std::shared_ptr<OnceCallbackAdapter> callback)53 virtual void PostTask(const std::shared_ptr<OnceCallbackAdapter> callback) {}; 54 55 // be consistent with 56 // rom/base/notification/eventhandler/interfaces/inner_api/file_descriptor_listener.h 57 // FILE_DESCRIPTOR_INPUT_EVENT 58 enum { 59 INPUT_EVENT = 1, 60 }; 61 }; 62 63 } // namespace OHOS::NWeb 64 65 #endif // EVENT_HANDLER_ADAPTER_H 66