axmol/cocos2dx/event_dispatcher/CCEvent.h

/****************************************************************************
 Copyright (c) 2013 cocos2d-x.org
 
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#ifndef __CCEVENT_H__
#define __CCEVENT_H__

#include <string>
#include <stdint.h>

#include "platform/CCPlatformMacros.h"

NS_CC_BEGIN

class Node;

/**
 *   Base class of all kinds of events.
 */
class Event
{
protected:
    /** Constructor */
    Event(const std::string& type);
public:
    /** Destructor */
    virtual ~Event();

    /** Gets the event type */
	inline const std::string& getType() const { return _type; };
    
    /** Stops propagation for current event */
    inline void stopPropagation() { _isStopped = true; };
    
    /** Checks whether the event has been stopped */
    inline bool isStopped() const { return _isStopped; };
    
    /** @brief Gets current target of the event
     *  @return The target with which the event associates.
     *  @note It onlys be available when the event listener is associated with node. 
     *        It returns 0 when the listener is associated with fixed priority.
     */
    inline Node* getCurrentTarget() { return _currentTarget; };
    
protected:
    /** Sets current target */
    inline void setCurrentTarget(Node* target) { _currentTarget = target; };
    
	std::string _type;     ///< Event type
    bool _isStopped;       ///< whether the event has been stopped.
    Node* _currentTarget;  ///< Current target
    
    friend class EventDispatcher;
};

NS_CC_END


#endif // __CCEVENT_H__