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#ifndef SC_UNOREFLIST_HXX
#define SC_UNOREFLIST_HXX

#include <list>
#include <svl/hint.hxx>
#include "rangelst.hxx"


struct ScUnoRefEntry
{
    sal_Int64   nObjectId;
    ScRangeList aRanges;

    ScUnoRefEntry( sal_Int64 nId, const ScRangeList& rOldRanges ) :
        nObjectId( nId ),
        aRanges( rOldRanges )
    {
    }
};

/** List of RefUpdate changes made to UNO objects during ScUpdateRefHint broadcast.
*/

class ScUnoRefList
{
private:
    ::std::list<ScUnoRefEntry> aEntries;

public:
                ScUnoRefList();
                ~ScUnoRefList();

    void        Add( sal_Int64 nId, const ScRangeList& rOldRanges );
    void        Undo( ScDocument* pDoc );

    bool        IsEmpty() const     { return aEntries.empty(); }
};

/** Hint to restore a UNO object to its old state (used during undo).
*/

class ScUnoRefUndoHint : public SfxHint
{
    ScUnoRefEntry   aEntry;

public:
                TYPEINFO();
                ScUnoRefUndoHint( const ScUnoRefEntry& rRefEntry );
                ~ScUnoRefUndoHint();

    sal_Int64   GetObjectId() const         { return aEntry.nObjectId; }
    const ScRangeList& GetRanges() const    { return aEntry.aRanges; }
};


#endif