office-gobmx/oox/source/shape/ShapeContextHandler.cxx
Luboš Luňák c9793b7015 avoid deleting before a use (bnc#693200)
The call to clearShapes() cleared the list and deleted items, which
was what pShape was pointing to -> crash.
2011-05-13 14:26:59 +02:00

359 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "ShapeContextHandler.hxx"
#include "oox/vml/vmldrawingfragment.hxx"
#include "oox/vml/vmlshape.hxx"
#include "oox/vml/vmlshapecontainer.hxx"
namespace oox { namespace shape {
using namespace ::com::sun::star;
using namespace core;
using namespace drawingml;
::rtl::OUString SAL_CALL ShapeContextHandler_getImplementationName()
{
return CREATE_OUSTRING( "com.sun.star.comp.oox.ShapeContextHandler" );
}
uno::Sequence< ::rtl::OUString > SAL_CALL
ShapeContextHandler_getSupportedServiceNames()
{
uno::Sequence< ::rtl::OUString > s(1);
s[0] = CREATE_OUSTRING( "com.sun.star.xml.sax.FastShapeContextHandler" );
return s;
}
uno::Reference< uno::XInterface > SAL_CALL
ShapeContextHandler_createInstance( const uno::Reference< uno::XComponentContext > & context)
SAL_THROW((uno::Exception))
{
return static_cast< ::cppu::OWeakObject* >( new ShapeContextHandler(context) );
}
ShapeContextHandler::ShapeContextHandler
(uno::Reference< uno::XComponentContext > const & context) :
mnStartToken(0), m_xContext(context)
{
try
{
mxFilterBase.set( new ShapeFilterBase(context) );
}
catch( uno::Exception& )
{
}
}
ShapeContextHandler::~ShapeContextHandler()
{
}
uno::Reference<xml::sax::XFastContextHandler>
ShapeContextHandler::getGraphicShapeContext(::sal_Int32 Element )
{
if (! mxGraphicShapeContext.is())
{
FragmentHandlerRef rFragmentHandler
(new ShapeFragmentHandler(*mxFilterBase, msRelationFragmentPath));
ShapePtr pMasterShape;
switch (Element & 0xffff)
{
case XML_graphic:
mpShape.reset(new Shape("com.sun.star.drawing.GraphicObjectShape" ));
mxGraphicShapeContext.set
(new GraphicalObjectFrameContext(*rFragmentHandler, pMasterShape, mpShape, true));
break;
case XML_pic:
mpShape.reset(new Shape("com.sun.star.drawing.GraphicObjectShape" ));
mxGraphicShapeContext.set
(new GraphicShapeContext(*rFragmentHandler, pMasterShape, mpShape));
break;
default:
break;
}
}
return mxGraphicShapeContext;
}
uno::Reference<xml::sax::XFastContextHandler>
ShapeContextHandler::getDrawingShapeContext()
{
if (!mxDrawingFragmentHandler.is())
{
mpDrawing.reset( new oox::vml::Drawing( *mxFilterBase, mxDrawPage, oox::vml::VMLDRAWING_WORD ) );
mxDrawingFragmentHandler.set
(dynamic_cast<ContextHandler *>
(new oox::vml::DrawingFragment
( *mxFilterBase, msRelationFragmentPath, *mpDrawing )));
}
return mxDrawingFragmentHandler;
}
uno::Reference<xml::sax::XFastContextHandler>
ShapeContextHandler::getContextHandler()
{
uno::Reference<xml::sax::XFastContextHandler> xResult;
switch (getNamespace( mnStartToken ))
{
case NMSP_doc:
case NMSP_vml:
xResult.set(getDrawingShapeContext());
break;
default:
xResult.set(getGraphicShapeContext(mnStartToken));
break;
}
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(getContextHandler());
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;
uno::Reference< drawing::XShapes > xShapes( mxDrawPage, uno::UNO_QUERY );
if (mxFilterBase.is() && xShapes.is())
{
if ( getContextHandler() == getDrawingShapeContext() )
{
mpDrawing->finalizeFragmentImport();
if( const ::oox::vml::ShapeBase* pShape = mpDrawing->getShapes().getFirstShape() )
{
xResult = pShape->convertAndInsert( xShapes );
mpDrawing->getShapes( ).clearShapes( );
}
}
else if (mpShape.get() != NULL)
{
basegfx::B2DHomMatrix aTransformation;
mpShape->addShape(*mxFilterBase, mpThemePtr.get(), xShapes, aTransformation);
xResult.set(mpShape->getXShape());
mxGraphicShapeContext.clear( );
}
}
return xResult;
}
css::uno::Reference< css::drawing::XDrawPage > SAL_CALL
ShapeContextHandler::getDrawPage() throw (css::uno::RuntimeException)
{
return mxDrawPage;
}
void SAL_CALL ShapeContextHandler::setDrawPage
(const css::uno::Reference< css::drawing::XDrawPage > & the_value)
throw (css::uno::RuntimeException)
{
mxDrawPage = 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;
}
::sal_Int32 SAL_CALL ShapeContextHandler::getStartToken() throw (::com::sun::star::uno::RuntimeException)
{
return mnStartToken;
}
void SAL_CALL ShapeContextHandler::setStartToken( ::sal_Int32 _starttoken ) throw (::com::sun::star::uno::RuntimeException)
{
mnStartToken = _starttoken;
}
::rtl::OUString ShapeContextHandler::getImplementationName()
throw (css::uno::RuntimeException)
{
return ShapeContextHandler_getImplementationName();
}
uno::Sequence< ::rtl::OUString > ShapeContextHandler::getSupportedServiceNames()
throw (css::uno::RuntimeException)
{
return ShapeContextHandler_getSupportedServiceNames();
}
::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;
}
}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */