#pragma once


#include "C11UnsafeDelegate.hpp"


//
// a Notify delegate, send notification when insert, remove, clear
//
template <typename T>
class _tNotifyUnsafeDelegate : public _tUnsafeDelegate <T>
{
	typedef _tUnsafeDelegate <T> inherited;

public:
	_tNotifyUnsafeDelegate () = default;
	_tNotifyUnsafeDelegate (_tNotifyUnsafeDelegate && from)
	{
		m_handlers.swap (from.m_handlers);
		m_Notify.swap (from.m_Notify);

	}

	_tNotifyUnsafeDelegate (const _tNotifyUnsafeDelegate &) = delete;
	_tNotifyUnsafeDelegate & operator == (const _tNotifyUnsafeDelegate &) = delete;
	_tNotifyUnsafeDelegate & operator == (_tNotifyUnsafeDelegate &&) = delete;


	inline virtual ~_tNotifyUnsafeDelegate ()  { }

public:
	inline virtual void RemoveAll () override
	{
		inherited::RemoveAll ();
		m_Notify.Invoke (this, NULL);
	}


protected:
	inline virtual void ForcePush (C11EventHandler && handler) override
	{
		inherited::ForcePush (std::move (handler));
		m_Notify.Invoke (this, NULL);
	}

protected:
//	按 Key 来删除
	inline virtual bool DoPop (const typename C11EventHandler::tKey key) override
	{
		auto rc = inherited::DoPop (key);
		m_Notify.Invoke (this, NULL);
		return rc;
	}

//	按 Key + 类实例指针 来删除
	inline virtual bool DoPop (const typename C11EventHandler::tKey key, const void * pThis) override
	{
		auto rc = inherited::DoPop (key, pThis);
		m_Notify.Invoke (this, NULL);
		return rc;
	}

public:
	UnsafeDelegate m_Notify;
};



using NotifyUnsafeDelegate = _tNotifyUnsafeDelegate <DelegateArgs>;