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#ifndef INCLUDED_SLIDESHOW_SHAPEIMPORTER_HXX
#define INCLUDED_SLIDESHOW_SHAPEIMPORTER_HXX

#include <com/sun/star/drawing/XDrawPage.hpp>
#include <com/sun/star/drawing/XShapes.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/drawing/XLayer.hpp>
#include "unoviewcontainer.hxx"
#include "unoview.hxx"

#include "shape.hxx"

#include <stack>

namespace slideshow {
namespace internal {

struct SlideShowContext;

typedef ::std::vector< ::cppcanvas::PolyPolygonSharedPtr> PolyPolygonVector;
typedef ::boost::shared_ptr< UnoView > 		UnoViewSharedPtr;
typedef ::std::vector< UnoViewSharedPtr >	UnoViewVector;
    
/** This class imports all shapes from a given XShapes object
 */
class ShapeImporter 
{
public:
    /** Create shape importer.
        
        @param xPage
        Page containing the shapes
        
        @param xActualPage
        Actual page that's imported - if xPage is a master
        page, this argument must refer to the using, i.e the
        page that embeds this specific masterpage. Otherwise,
        this argument is probably equal to xPage.
        
        @param nOrdNumStart
        Each shape receives a z order number, in order of
        import (which relies on the fact that the API returns
        the shapes in draw order - which it does,
        currently). Since we might mix several pages on screen
        (e.g. master page and foreground page), this value can
        be used as an offset to distinguish those pages.
        
        @param bConvertingMasterPage
        When true, then the master page is imported. Otherwise, this
        object imports the draw page.
    */
    ShapeImporter( const ::com::sun::star::uno::Reference< 
                         ::com::sun::star::drawing::XDrawPage >& xPage, 
                   const ::com::sun::star::uno::Reference< 
                         ::com::sun::star::drawing::XDrawPage >& xActualPage, 
                   const ::com::sun::star::uno::Reference< 
                         ::com::sun::star::drawing::XDrawPagesSupplier>& xPagesSupplier, 
                   const SlideShowContext&                       rContext,
                   sal_Int32                                     nOrdNumStart,
                   bool                                          bConvertingMasterPage );
    
    /** This method imports the presentation background shape
     */
    ShapeSharedPtr importBackgroundShape(); // throw (ShapeLoadFailedException)

    /** This method imports presentation-visible shapes (and skips all others).
       
        @return the generated Shape, or NULL for no more shapes.
    */
    ShapeSharedPtr importShape(); // throw (ConversionFailedException)
    
    /** Test whether import is done.
        
        @return true, if all shapes are imported via the
        importShape() call.
    */
    bool isImportDone() const;
    PolyPolygonVector getPolygons();
private:
    bool isSkip( ::com::sun::star::uno::Reference<
                 ::com::sun::star::beans::XPropertySet> const& xPropSet,
                 ::rtl::OUString const& shapeType,
             ::com::sun::star::uno::Reference<
             ::com::sun::star::drawing::XLayer> const& xLayer); 
    
    ShapeSharedPtr createShape(
        ::com::sun::star::uno::Reference<
        ::com::sun::star::drawing::XShape> const& xCurrShape,
        ::com::sun::star::uno::Reference<
        ::com::sun::star::beans::XPropertySet> const& xPropSet,
        ::rtl::OUString const& shapeType ) const;
    
    void importPolygons(::com::sun::star::uno::Reference< ::com::sun::star::beans::XPropertySet > const& xPropSet) ;
  
    struct XShapesEntry 
    {
        ShapeSharedPtr const mpGroupShape;
        ::com::sun::star::uno::Reference<
            ::com::sun::star::drawing::XShapes> const mxShapes;
        sal_Int32 const mnCount;
        sal_Int32 mnPos;
        
        explicit XShapesEntry( ShapeSharedPtr const& pGroupShape )
            : mpGroupShape(pGroupShape),
              mxShapes( pGroupShape->getXShape(),
                        ::com::sun::star::uno::UNO_QUERY_THROW ),
              mnCount(mxShapes->getCount()), mnPos(0) {}
        explicit XShapesEntry( ::com::sun::star::uno::Reference<
                      ::com::sun::star::drawing::XShapes> const& xShapes )
            : mpGroupShape(), mxShapes(xShapes),
              mnCount(xShapes->getCount()), mnPos(0) {}
    };
    typedef ::std::stack<XShapesEntry> XShapesStack;
    
    ::com::sun::star::uno::Reference<
        ::com::sun::star::drawing::XDrawPage> mxPage; 
    ::com::sun::star::uno::Reference<
        ::com::sun::star::drawing::XDrawPagesSupplier> mxPagesSupplier; 
    const SlideShowContext&                   mrContext;
    PolyPolygonVector                         maPolygons;
    XShapesStack                              maShapesStack;
    double                                    mnAscendingPrio;
    bool                                      mbConvertingMasterPage;
};

} // namespace internal
} // namespace presentation

#endif

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