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/*************************************************************************
 *
 *  OpenOffice.org - a multi-platform office productivity suite
 *
 *  $RCSfile: shapeimporter.hxx,v $
 *
 *  $Revision: 1.5 $
 *
 *  last change: $Author: obo $ $Date: 2006-10-12 14:02:29 $
 *
 *  The Contents of this file are made available subject to
 *  the terms of GNU Lesser General Public License Version 2.1.
 *
 *
 *    GNU Lesser General Public License Version 2.1
 *    =============================================
 *    Copyright 2005 by Sun Microsystems, Inc.
 *    901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *    This library is free software; you can redistribute it and/or
 *    modify it under the terms of the GNU Lesser General Public
 *    License version 2.1, as published by the Free Software Foundation.
 *
 *    This library is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *    Lesser General Public License for more details.
 *
 *    You should have received a copy of the GNU Lesser General Public
 *    License along with this library; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *
 ************************************************************************/
#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 "shape.hxx"
#include <stack>

namespace presentation {
namespace internal {

/** 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,
                   sal_Int32 nOrdNumStart,
                   bool bConvertingMasterPage );

    /** 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;

private:
    bool isSkip( ::com::sun::star::uno::Reference<
                 ::com::sun::star::beans::XPropertySet> const& xPropSet,
                 ::rtl::OUString const& shapeType ) const;

    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;

    ::com::sun::star::uno::Reference<
        ::com::sun::star::drawing::XDrawPage> mxPage;

    struct XShapesEntry {
        ShapeSharedPtr const mpGroupShape;
        ::com::sun::star::uno::Reference<
            ::com::sun::star::drawing::XShapes> const mxShapes;
        sal_Int32 const mnCount;
        sal_Int32 mnPos;

        XShapesEntry( ShapeSharedPtr const& pGroupShape )
            : mpGroupShape(pGroupShape),
              mxShapes( pGroupShape->getXShape(),
                        ::com::sun::star::uno::UNO_QUERY_THROW ),
              mnCount(mxShapes->getCount()), mnPos(0) {}
        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;

    XShapesStack maShapesStack;

    double mnAscendingPrio;
    bool mbConvertingMasterPage;
};

} // namespace internal
} // namespace presentation

#endif