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#ifndef SC_ADIASYNC_HXX
#define SC_ADIASYNC_HXX

#include <svl/broadcast.hxx>
#include <svl/svarray.hxx>

#include "callform.hxx"

extern "C" {
void CALLTYPE ScAddInAsyncCallBack( double& nHandle, void* pData );
}


class ScAddInAsync;
typedef ScAddInAsync* ScAddInAsyncPtr;
SV_DECL_PTRARR_SORT( ScAddInAsyncs, ScAddInAsyncPtr, 4, 4 )
extern ScAddInAsyncs theAddInAsyncTbl;	// in adiasync.cxx

class ScDocument;
typedef ScDocument* ScAddInDocPtr;
SV_DECL_PTRARR_SORT( ScAddInDocs, ScAddInDocPtr, 1, 1 )

class String;

class ScAddInAsync : public SvtBroadcaster
{
private:
	union
	{
		double		nVal;				// aktueller Wert
		String*		pStr;
	};
	ScAddInDocs*	pDocs;				// Liste der benutzenden Dokumente
	FuncData* 		pFuncData;			// Zeiger auf die Daten in der Collection
	sal_uLong			nHandle;			// wird von double auf sal_uLong gecasted
	ParamType		eType;				// PTR_DOUBLE oder PTR_STRING Ergebnis
	sal_Bool			bValid;				// ob Wert gueltig

public:
					// cTor nur wenn ScAddInAsync::Get fehlschlaegt!
					// nIndex: Index aus der FunctionCollection
					ScAddInAsync( sal_uLong nHandle, sal_uInt16 nIndex,
									ScDocument* pDoc );
					// default-cTor nur fuer das eine globale aSeekObj !!!
					ScAddInAsync();
	virtual			~ScAddInAsync();
	static ScAddInAsync*	Get( sal_uLong nHandle );
	static void		CallBack( sal_uLong nHandle, void* pData );
	static void		RemoveDocument( ScDocument* pDocument );
	sal_Bool			IsValid() const			{ return bValid; }
	ParamType		GetType() const			{ return eType; }
	double			GetValue() const		{ return nVal; }
	const String&	GetString() const		{ return *pStr; }
	sal_Bool			HasDocument( ScDocument* pDoc ) const
						{ return pDocs->Seek_Entry( pDoc ); }
	void			AddDocument( ScDocument* pDoc ) { pDocs->Insert( pDoc ); }

	// Vergleichsoperatoren fuer PtrArrSort
	sal_Bool operator < ( const ScAddInAsync& r ) { return nHandle <  r.nHandle; }
	sal_Bool operator ==( const ScAddInAsync& r ) { return nHandle == r.nHandle; }
};



#endif