libreoffice/oox/source/shape/ShapeContextHandler.cxx

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 *
 * Copyright 2008 by Sun Microsystems, Inc.
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 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: ShapeContextHandler.cxx,v $
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#include "ShapeContextHandler.hxx"
#include "oox/vml/drawingfragmenthandler.hxx"

namespace oox { namespace shape {

using namespace ::com::sun::star;
using namespace core;
using namespace drawingml;

ShapeContextHandler::ShapeContextHandler
(uno::Reference< uno::XComponentContext > const & context) :
m_xContext(context)
{
    try
    {
        uno::Reference<lang::XMultiServiceFactory>
            xFactory(m_xContext->getServiceManager(), uno::UNO_QUERY_THROW);
        mxFilterBase.set( new ShapeFilterBase(xFactory) );
    }
    catch( uno::Exception& )
    {
    }
}

ShapeContextHandler::~ShapeContextHandler()
{
}

uno::Reference<xml::sax::XFastContextHandler>
ShapeContextHandler::getGraphicShapeContext()
{
    if (! mxGraphicShapeContext.is())
    {
        FragmentHandlerRef rFragmentHandler
            (new ShapeFragmentHandler(*mxFilterBase, msRelationFragmentPath));
        ShapePtr pMasterShape;
        mpShape.reset(new Shape("com.sun.star.drawing.GraphicObjectShape" ));
        mxGraphicShapeContext.set
            (new GraphicShapeContext(*rFragmentHandler, pMasterShape, mpShape));
    }

    return mxGraphicShapeContext;
}

uno::Reference<xml::sax::XFastContextHandler>
ShapeContextHandler::getDrawingShapeContext()
{
    if (!mxDrawingFragmentHandler.is())
    {
        mpDrawing.reset( new oox::vml::Drawing() );
        mxDrawingFragmentHandler.set
            (dynamic_cast<ContextHandler *>
             (new oox::vml::DrawingFragmentHandler
              ( *mxFilterBase, msRelationFragmentPath, mpDrawing->getShapes(), mpDrawing->getShapeTypes() )));
    }

    return mxDrawingFragmentHandler;
}

uno::Reference<xml::sax::XFastContextHandler>
ShapeContextHandler::getContextHandler()
{
    uno::Reference<xml::sax::XFastContextHandler> xResult;
    if (mxDrawingFragmentHandler.is())
        xResult.set(mxDrawingFragmentHandler);
    else if (mxGraphicShapeContext.is())
        xResult.set(mxGraphicShapeContext);

    return xResult;
}

// ::com::sun::star::xml::sax::XFastContextHandler:
void SAL_CALL ShapeContextHandler::startFastElement
(::sal_Int32 Element,
 const uno::Reference< xml::sax::XFastAttributeList > & Attribs)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    static const ::rtl::OUString sInputStream
        (RTL_CONSTASCII_USTRINGPARAM ("InputStream"));

    uno::Sequence<beans::PropertyValue> aSeq(1);
    aSeq[0].Name = sInputStream;
    aSeq[0].Value <<= mxInputStream;
    mxFilterBase->filter(aSeq);

    mpThemePtr.reset(new Theme());

    uno::Reference<XFastContextHandler> xContextHandler(getContextHandler());

    if (xContextHandler.is())
        xContextHandler->startFastElement(Element, Attribs);
}

void SAL_CALL ShapeContextHandler::startUnknownElement
(const ::rtl::OUString & Namespace, const ::rtl::OUString & Name,
 const uno::Reference< xml::sax::XFastAttributeList > & Attribs)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference<XFastContextHandler> xContextHandler(getContextHandler());

    if (xContextHandler.is())
        xContextHandler->startUnknownElement(Namespace, Name, Attribs);
}

void SAL_CALL ShapeContextHandler::endFastElement(::sal_Int32 Element)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference<XFastContextHandler> xContextHandler(getContextHandler());

    if (xContextHandler.is())
        xContextHandler->endFastElement(Element);
}

void SAL_CALL ShapeContextHandler::endUnknownElement
(const ::rtl::OUString & Namespace,
 const ::rtl::OUString & Name)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference<XFastContextHandler> xContextHandler(getContextHandler());

    if (xContextHandler.is())
        xContextHandler->endUnknownElement(Namespace, Name);
}

uno::Reference< xml::sax::XFastContextHandler > SAL_CALL
ShapeContextHandler::createFastChildContext
(::sal_Int32 Element,
 const uno::Reference< xml::sax::XFastAttributeList > & Attribs)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference< xml::sax::XFastContextHandler > xResult;
    uno::Reference< xml::sax::XFastContextHandler > xContextHandler;

    switch (Element & NMSP_MASK)
    {
    case NMSP_VML:
        xContextHandler.set(getDrawingShapeContext());
        break;
    default:
        xContextHandler.set(getGraphicShapeContext());
        break;
    }

    if (xContextHandler.is())
        xResult.set(xContextHandler->createFastChildContext
                    (Element, Attribs));

    return xResult;
}

uno::Reference< xml::sax::XFastContextHandler > SAL_CALL
ShapeContextHandler::createUnknownChildContext
(const ::rtl::OUString & Namespace,
 const ::rtl::OUString & Name,
 const uno::Reference< xml::sax::XFastAttributeList > & Attribs)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference<XFastContextHandler> xContextHandler(getContextHandler());

    if (xContextHandler.is())
        return xContextHandler->createUnknownChildContext
            (Namespace, Name, Attribs);

    return uno::Reference< xml::sax::XFastContextHandler >();
}

void SAL_CALL ShapeContextHandler::characters(const ::rtl::OUString & aChars)
    throw (uno::RuntimeException, xml::sax::SAXException)
{
    uno::Reference<XFastContextHandler> xContextHandler(getContextHandler());

    if (xContextHandler.is())
        xContextHandler->characters(aChars);
}

// ::com::sun::star::xml::sax::XFastShapeContextHandler:
uno::Reference< drawing::XShape > SAL_CALL
ShapeContextHandler::getShape() throw (uno::RuntimeException)
{
    uno::Reference< drawing::XShape > xResult;

    if (mxFilterBase.is() && mxShapes.is())
    {
        if (mpDrawing.get() != NULL)
        {
            std::vector< oox::vml::ShapePtr >& rShapes = mpDrawing->getShapes();
            if ( rShapes.size() )
            {
                rShapes[ 0 ]->addShape( *mxFilterBase, *mpDrawing, mxShapes, NULL );
                xResult.set(rShapes[ 0 ]->getXShape());
            }
        }
        else if (mpShape.get() != NULL)
        {
            mpShape->addShape(*mxFilterBase, mpThemePtr, mxShapes);
            xResult.set(mpShape->getXShape());
        }
    }

    return xResult;
}

css::uno::Reference< css::drawing::XShapes > SAL_CALL
ShapeContextHandler::getShapes() throw (css::uno::RuntimeException)
{
    return mxShapes;
}

void SAL_CALL ShapeContextHandler::setShapes
(const css::uno::Reference< css::drawing::XShapes > & the_value)
    throw (css::uno::RuntimeException)
{
    mxShapes = the_value;
}

css::uno::Reference< css::frame::XModel > SAL_CALL
ShapeContextHandler::getModel() throw (css::uno::RuntimeException)
{
    if( !mxFilterBase.is() )
        throw uno::RuntimeException();
    return mxFilterBase->getModel();
}

void SAL_CALL ShapeContextHandler::setModel
(const css::uno::Reference< css::frame::XModel > & the_value)
    throw (css::uno::RuntimeException)
{
    if( !mxFilterBase.is() )
        throw uno::RuntimeException();
    uno::Reference<lang::XComponent> xComp(the_value, uno::UNO_QUERY_THROW);
    mxFilterBase->setTargetDocument(xComp);
}

uno::Reference< io::XInputStream > SAL_CALL
ShapeContextHandler::getInputStream() throw (uno::RuntimeException)
{
    return mxInputStream;
}

void SAL_CALL ShapeContextHandler::setInputStream
(const uno::Reference< io::XInputStream > & the_value)
    throw (uno::RuntimeException)
{
    mxInputStream = the_value;
}

::rtl::OUString SAL_CALL ShapeContextHandler::getRelationFragmentPath()
    throw (uno::RuntimeException)
{
    return msRelationFragmentPath;
}

void SAL_CALL ShapeContextHandler::setRelationFragmentPath
(const ::rtl::OUString & the_value)
    throw (uno::RuntimeException)
{
    msRelationFragmentPath = the_value;
}

::rtl::OUString ShapeContextHandler::getImplementationName()
    throw (css::uno::RuntimeException)
{
    return ShapeContextHandler_getImplementationName();
}

uno::Sequence< ::rtl::OUString > ShapeContextHandler::getSupportedServiceNames()
    throw (css::uno::RuntimeException)
{
    return ShapeContextHandler_getSupportedServiceNames();
}

::rtl::OUString SAL_CALL ShapeContextHandler_getImplementationName() {
    return ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
        "com.sun.star.comp.oox.ShapeContextHandler"));
}

::sal_Bool SAL_CALL ShapeContextHandler::supportsService
(const ::rtl::OUString & ServiceName) throw (css::uno::RuntimeException)
{
    uno::Sequence< ::rtl::OUString > aSeq = getSupportedServiceNames();

    if (aSeq[0].equals(ServiceName))
        return sal_True;

    return sal_False;
}

uno::Sequence< ::rtl::OUString > SAL_CALL
ShapeContextHandler_getSupportedServiceNames()
{
    uno::Sequence< ::rtl::OUString > s(1);
    s[0] = ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
        "com.sun.star.xml.sax.FastShapeContextHandler"));
    return s;
}

uno::Reference< uno::XInterface > SAL_CALL
ShapeContextHandler_create(
    const uno::Reference< uno::XComponentContext > & context)
        SAL_THROW((uno::Exception))
{
    return static_cast< ::cppu::OWeakObject * >
        (new ShapeContextHandler(context));
}

uno::Reference< uno::XInterface > SAL_CALL
ShapeContextHandler_createInstance
( const uno::Reference< lang::XMultiServiceFactory > & rSMgr)
throw( uno::Exception )
{
    uno::Reference<beans::XPropertySet>
        xPropertySet(rSMgr, uno::UNO_QUERY_THROW);
    uno::Any aDefaultContext = xPropertySet->getPropertyValue
        (::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("DefaultContext")));

    uno::Reference<uno::XComponentContext> xContext;
    aDefaultContext >>= xContext;

    return ShapeContextHandler_create(xContext);
}

}}