1 /* 2 * Copyright (c) 2023 Shenzhen Kaihong Digital Industry Development 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_SHARING_EVENT_BASE_H 17 #define OHOS_SHARING_EVENT_BASE_H 18 19 #include <list> 20 #include <memory> 21 #include <string> 22 #include "common/event_comm.h" 23 24 namespace OHOS { 25 namespace Sharing { 26 27 class EventEmitter { 28 public: 29 virtual ~EventEmitter() = default; 30 31 virtual int32_t SendEvent(SharingEvent &event); 32 virtual int32_t SendSyncEvent(SharingEvent &event); 33 34 protected: 35 ClassType classType_ = CLASS_TYPE_SCHEDULER; 36 }; 37 38 class EventListener : public std::enable_shared_from_this<EventListener> { 39 public: 40 virtual ~EventListener() = default; 41 42 virtual int32_t Register(); 43 virtual int32_t UnRegister(); 44 virtual int32_t OnEvent(SharingEvent &event) = 0; 45 46 virtual bool IsAcceptType(EventType eventType); 47 virtual void SetListenerClassType(ClassType classType); 48 virtual int32_t AddAcceptEventType(EventType eventType); 49 virtual int32_t DelAcceptEventType(EventType eventType); 50 51 virtual std::list<EventType> GetAcceptTypes(); 52 virtual ClassType GetListenerClassType(); 53 54 protected: 55 std::list<EventType> acceptEvents_; 56 ClassType classType_ = CLASS_TYPE_SCHEDULER; 57 }; 58 59 class EventChecker { 60 public: 61 static void CheckEvent(EventMsg::Ptr eventMsg); 62 }; 63 64 } // namespace Sharing 65 } // namespace OHOS 66 #endif