/*
 * GuiEvent
 */

#ifndef __GUIEVENT_H__
#define __GUIEVENT_H__

#include "Core.h"
#include "FixedString.h"
#include "GuiFunctor.h"

/*
 * GuiElement
 */
class GuiElement;

/*
 * GuiEventArguments
 */
struct GuiEventArguments
{
	/*
	 * pSource
	 */
	GuiElement* pSource;

	/*
	 * GuiEventArguments
	 */
	GuiEventArguments(GuiElement* pInstance) : pSource(pInstance)
	{
	}
};

/*
 * GuiEvent
 */
class GuiEvent
{
	/*
	 * kName
	 */
	FixedString<> kName;

	/*
	 * kSubscriptions
	 */
	GuiFunctor::List kSubscriptions;

public:

	/*
	 * GuiEvent
	 */
	GuiEvent(const char* pEventName);

	/*
	 * ~GuiEvent
	 */
	~GuiEvent();

	/*
	 * Subscribe
	 */
	ErrorCode Subscribe(void (*pFunction)(GuiEventArguments&))
	{
		return kSubscriptions.Add(new GuiFunction(pFunction));
	}

	/*
	 * Subscribe
	 */
	template<typename Type>
	ErrorCode Subscribe(void (Type::*pFunction)(GuiEventArguments&), Type* pInstance)
	{
		return kSubscriptions.Add(new GuiMethod<Type>(pFunction, pInstance));
	}

	/*
	 * Fire
	 */
	void Fire(GuiEventArguments&);
};

#endif //__GUIEVENT_H__