YiEventHandlerProxy.h

Go to the documentation of this file.

// © You i Labs Inc. 2000-2017. All rights reserved.
#ifndef _YI_EVENT_HANLDER_PROXY_H_
#define _YI_EVENT_HANLDER_PROXY_H_

#include "framework/YiPredef.h"

#include <atomic>
#include <memory>

class CYIEvent;
class CYIEventHandler;
class CYIEventDispatcher;
class CYIEventFilter;

class CYIEventHandlerProxy
{
    friend class CYIEventHandler;
    friend class CYIEventDispatcher;

public:
    CYIEventHandlerProxy();

    bool RegisterEventFilter(CYIEventFilter *pFilter);

    bool UnregisterEventFilter(CYIEventFilter *pFilter);

    bool PreFilter(const std::shared_ptr<CYIEventDispatcher> &pDispatcher, CYIEvent *pEvent);

    bool PostFilter(const std::shared_ptr<CYIEventDispatcher> &pDispatcher, CYIEvent *pEvent);

    bool HandleEvent(const std::shared_ptr<CYIEventDispatcher> &pDispatcher, CYIEvent *pEvent);

private:
    CYIEventHandlerProxy(const CYIEventHandlerProxy &);
    CYIEventHandlerProxy &operator=(const CYIEventHandlerProxy &);

    std::atomic<CYIEventHandler *> m_pEventHandler;
};

#endif /* _YI_EVENT_HANLDER_PROXY_H_ */