| /* |
| * Copyright (C) 2015-2018 Intel Corporation. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #pragma once |
| |
| #include <map> |
| #include <set> |
| |
| #include "iutils/Thread.h" |
| #include "CameraEventType.h" |
| |
| namespace icamera { |
| |
| class EventListener |
| { |
| public: |
| EventListener() {}; |
| virtual ~EventListener() {}; |
| virtual void handleEvent(EventData eventData) {}; |
| }; |
| |
| class EventSource |
| { |
| private: |
| std::map<EventType, std::set<EventListener*>> mListeners; |
| |
| // Guard for EventSource public API to protect mListeners. |
| Mutex mListenersLock; |
| public: |
| EventSource(); |
| virtual ~EventSource(); |
| virtual void registerListener(EventType eventType, EventListener* eventListener); |
| virtual void removeListener(EventType eventType, EventListener* eventListener); |
| virtual void notifyListeners(EventData eventData); |
| }; |
| |
| } |