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#ifndef SC_VBAEVENTS_HXX
#define SC_VBAEVENTS_HXX

#include <rtl/ref.hxx>
#include <vbahelper/vbaeventshelperbase.hxx>
#include "excelvbahelper.hxx"
#include "rangelst.hxx"

namespace ooo { namespace vba { namespace excel { class XApplication; } } }

class ScVbaEventsListener;

// ============================================================================

class ScVbaEventsHelper : public VbaEventsHelperBase
{
public:
    ScVbaEventsHelper(
        const css::uno::Sequence< css::uno::Any >& rArgs,
        const css::uno::Reference< css::uno::XComponentContext >& rxContext );
    virtual ~ScVbaEventsHelper();

    // XEventListener
    virtual void SAL_CALL disposing( const css::lang::EventObject& rSource ) throw (css::uno::RuntimeException);
    
protected:
    virtual bool implEventsEnabled() throw (css::uno::RuntimeException);
    virtual bool implPrepareEvent( EventQueue& rEventQueue, const EventHandlerInfo& rInfo, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::uno::RuntimeException);
    virtual css::uno::Sequence< css::uno::Any > implBuildArgumentList( const EventHandlerInfo& rInfo, const css::uno::Sequence< css::uno::Any >& rArgs ) throw (css::lang::IllegalArgumentException);
    virtual void implPostProcessEvent( EventQueue& rEventQueue, const EventHandlerInfo& rInfo, bool bSuccess, bool bCancel ) throw (css::uno::RuntimeException);
    virtual ::rtl::OUString implGetDocumentModuleName( const EventHandlerInfo& rInfo, const css::uno::Sequence< css::uno::Any >& rArgs ) const throw (css::lang::IllegalArgumentException);

private:
    /** Extracts a sheet index from the first element of the passed sequence. The
        element may be an integer, or a Calc range or ranges object. */
    static SCTAB getTabFromArgs( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException);
    /** Checks if selection has been changed compared to selection of last call.
        @return true, if the selection has been changed. */
    bool isSelectionChanged( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);

    /** Creates a VBA Worksheet object (the argument must contain a sheet index). */
    css::uno::Any createWorksheet( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) const throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
    /** Creates a VBA Range object (the argument must contain a UNO range or UNO range list). */
    css::uno::Any createRange( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) const throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
    /** Creates a VBA Hyperlink object (the argument must contain a UNO cell). */
    css::uno::Any createHyperlink( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex ) const throw (css::lang::IllegalArgumentException, css::uno::RuntimeException);
    /** Creates a VBA Window object. */
    css::uno::Any createWindow() const throw (css::uno::RuntimeException);
    
private:
    mutable css::uno::WeakReference< ov::excel::XApplication > mxApplication;
    ::rtl::Reference< ScVbaEventsListener > mxListener;
    ScDocShell* mpDocShell;
    ScDocument* mpDoc;
    ScRangeList maOldSelection;
    bool mbOpened;
};

// ============================================================================

#endif

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