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#ifndef _SC_ACCESSIBLEPREVIEWHEADERCELL_HXX
#define _SC_ACCESSIBLEPREVIEWHEADERCELL_HXX

#include "AccessibleContextBase.hxx"
#include <com/sun/star/accessibility/XAccessibleValue.hpp>
#include <tools/gen.hxx>
#include "global.hxx"
#include "address.hxx"
#include <cppuhelper/implbase1.hxx>

class ScPreviewShell;
class ScPreviewTableInfo;
namespace accessibility {
    class AccessibleTextHelper;
}

typedef cppu::ImplHelper1< ::com::sun::star::accessibility::XAccessibleValue>
                    ScAccessiblePreviewHeaderCellImpl;

class ScAccessiblePreviewHeaderCell :
        public ScAccessibleContextBase,
        public ScAccessiblePreviewHeaderCellImpl
{
public:
    ScAccessiblePreviewHeaderCell( const ::com::sun::star::uno::Reference<
                                ::com::sun::star::accessibility::XAccessible>& rxParent,
                            ScPreviewShell* pViewShell,
                            const ScAddress& rCellPos, sal_Bool bIsColHdr, sal_Bool bIsRowHdr,
                            sal_Int32 nIndex );

protected:
    virtual ~ScAccessiblePreviewHeaderCell();

    using ScAccessibleContextBase::IsDefunc;

public:
    using ScAccessibleContextBase::disposing;
     virtual void SAL_CALL disposing();

    //=====  SfxListener  =====================================================

    virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint );

    ///=====  XInterface  =====================================================

    virtual ::com::sun::star::uno::Any SAL_CALL queryInterface( 
        ::com::sun::star::uno::Type const & rType ) 
        throw (::com::sun::star::uno::RuntimeException);

    virtual void SAL_CALL acquire() throw ();
       
    virtual void SAL_CALL release() throw ();

    //=====  XAccessibleValue  ================================================

    virtual ::com::sun::star::uno::Any SAL_CALL getCurrentValue() throw (::com::sun::star::uno::RuntimeException);
    virtual sal_Bool SAL_CALL setCurrentValue( const ::com::sun::star::uno::Any& aNumber )
                                throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Any SAL_CALL getMaximumValue() throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Any SAL_CALL getMinimumValue() throw (::com::sun::star::uno::RuntimeException);

    //=====  XAccessibleComponent  ============================================

    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL
                            getAccessibleAtPoint( const ::com::sun::star::awt::Point& aPoint )
                                throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL	grabFocus() throw (::com::sun::star::uno::RuntimeException);

    //=====  XAccessibleContext  ==============================================

    virtual sal_Int32 SAL_CALL getAccessibleChildCount() throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessible > SAL_CALL
                            getAccessibleChild( sal_Int32 i )
                                throw (::com::sun::star::lang::IndexOutOfBoundsException,
                                    ::com::sun::star::uno::RuntimeException);
    virtual sal_Int32 SAL_CALL getAccessibleIndexInParent() throw (::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Reference< ::com::sun::star::accessibility::XAccessibleStateSet > SAL_CALL
                            getAccessibleStateSet() throw (::com::sun::star::uno::RuntimeException);

    //=====  XServiceInfo  ====================================================

    virtual ::rtl::OUString SAL_CALL getImplementationName()
                                throw(::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames()
                                throw(::com::sun::star::uno::RuntimeException);

    ///=====  XTypeProvider  ===================================================

    virtual ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Type > SAL_CALL 
        getTypes() 
        throw (::com::sun::star::uno::RuntimeException);

    /**	Returns a implementation id.
    */
    virtual ::com::sun::star::uno::Sequence<sal_Int8> SAL_CALL
        getImplementationId(void)
        throw (::com::sun::star::uno::RuntimeException);

protected:
    virtual ::rtl::OUString SAL_CALL createAccessibleDescription(void) throw(::com::sun::star::uno::RuntimeException);
    virtual ::rtl::OUString SAL_CALL createAccessibleName(void) throw (::com::sun::star::uno::RuntimeException);

    virtual Rectangle GetBoundingBoxOnScreen(void) const throw(::com::sun::star::uno::RuntimeException);
    virtual Rectangle GetBoundingBox(void) const throw (::com::sun::star::uno::RuntimeException);

private:
    ScPreviewShell*		mpViewShell;
    accessibility::AccessibleTextHelper* mpTextHelper;
    sal_Int32			mnIndex;
    ScAddress			maCellPos;
    sal_Bool			mbColumnHeader;
    sal_Bool			mbRowHeader;
    mutable ScPreviewTableInfo*	mpTableInfo;

    sal_Bool IsDefunc(
        const com::sun::star::uno::Reference<
        ::com::sun::star::accessibility::XAccessibleStateSet>& rxParentStates);

    void CreateTextHelper();
    void	FillTableInfo() const;
};


#endif