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#ifndef _SC_ADIASYNC_HXX
#define _SC_ADIASYNC_HXX

#include <bf_svtools/brdcst.hxx>

#include "callform.hxx"
class String;
namespace binfilter {

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

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

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



} //namespace binfilter
#endif

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