Avoid potential negative array index access to cached text.
[LibreOffice.git] / writerfilter / source / dmapper / OLEHandler.cxx
blobe0671c8a21b6a41f2a20d1354d7f30ed997843bf
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
19 #include "OLEHandler.hxx"
20 #include "DomainMapper.hxx"
21 #include "GraphicHelpers.hxx"
23 #include <oox/ole/oleobjecthelper.hxx>
24 #include <ooxml/resourceids.hxx>
25 #include <rtl/ustring.hxx>
26 #include <sal/log.hxx>
27 #include <osl/diagnose.h>
28 #include <comphelper/diagnose_ex.hxx>
29 #include <unotools/mediadescriptor.hxx>
30 #include <officecfg/Office/Common.hxx>
31 #include <com/sun/star/container/XNameAccess.hpp>
32 #include <com/sun/star/document/XEmbeddedObjectResolver.hpp>
33 #include <com/sun/star/document/XEmbeddedObjectSupplier.hpp>
34 #include <com/sun/star/document/XFilter.hpp>
35 #include <com/sun/star/document/XImporter.hpp>
36 #include <com/sun/star/drawing/XShape.hpp>
37 #include <com/sun/star/graphic/XGraphic.hpp>
38 #include <com/sun/star/io/XOutputStream.hpp>
39 #include <com/sun/star/lang/XComponent.hpp>
40 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
41 #include <com/sun/star/lang/XServiceInfo.hpp>
42 #include <com/sun/star/text/XTextDocument.hpp>
43 #include <com/sun/star/text/WrapTextMode.hpp>
44 #include <com/sun/star/uno/XComponentContext.hpp>
46 namespace writerfilter::dmapper {
48 using namespace ::com::sun::star;
51 OLEHandler::OLEHandler(DomainMapper& rDomainMapper) :
52 LoggedProperties("OLEHandler"),
53 m_nWrapMode(text::WrapTextMode_THROUGHT),
54 m_rDomainMapper(rDomainMapper)
59 OLEHandler::~OLEHandler()
64 void OLEHandler::lcl_attribute(Id rName, Value & rVal)
66 OUString sStringValue = rVal.getString();
67 switch( rName )
69 case NS_ooxml::LN_CT_OLEObject_Type:
70 break;
71 case NS_ooxml::LN_CT_OLEObject_ProgID:
72 m_sProgId = sStringValue;
73 break;
74 case NS_ooxml::LN_CT_OLEObject_ShapeID:
75 break;
76 case NS_ooxml::LN_CT_OLEObject_DrawAspect:
77 m_sDrawAspect = sStringValue;
78 break;
79 case NS_ooxml::LN_CT_OLEObject_ObjectID:
80 break;
81 case NS_ooxml::LN_CT_OLEObject_r_id:
82 break;
83 case NS_ooxml::LN_inputstream:
84 rVal.getAny() >>= m_xInputStream;
85 break;
86 case NS_ooxml::LN_CT_Object_dxaOrig:
87 m_sVisAreaWidth = sStringValue;
88 break;
89 case NS_ooxml::LN_CT_Object_dyaOrig:
90 m_sVisAreaHeight = sStringValue;
91 break;
92 case NS_ooxml::LN_shape:
94 uno::Reference< drawing::XShape > xTempShape;
95 rVal.getAny() >>= xTempShape;
97 // Control shape is handled on a different code path
98 uno::Reference< lang::XServiceInfo > xSInfo( xTempShape, uno::UNO_QUERY_THROW );
99 if(xSInfo->supportsService("com.sun.star.drawing.ControlShape"))
101 m_rDomainMapper.hasControls(true);
102 break;
105 if( xTempShape.is() )
107 m_xShape.set( xTempShape );
109 // No need to set the wrapping here as it's either set in oox or will be set later
111 // Shapes in the header or footer should be in the background, since the default is WrapTextMode_THROUGH.
112 if (m_rDomainMapper.IsInHeaderFooter())
116 uno::Reference<beans::XPropertySet> xShapeProps(m_xShape, uno::UNO_QUERY);
117 xShapeProps->setPropertyValue("Opaque", uno::Any(false));
119 catch( const uno::Exception& )
121 TOOLS_WARN_EXCEPTION("writerfilter", "Exception in OLE Handler");
126 break;
127 default:
128 OSL_FAIL( "unknown attribute");
132 css::awt::Size OLEHandler::getSize() const
134 if (!m_xShape)
135 return css::awt::Size();
136 return m_xShape->getSize();
139 css::uno::Reference<css::graphic::XGraphic> OLEHandler::getReplacement() const
141 if (!m_xShape)
142 return nullptr;
143 uno::Reference<beans::XPropertySet> xShapeProps(m_xShape, uno::UNO_QUERY);
144 css::uno::Reference<css::graphic::XGraphic> xReplacement;
145 xShapeProps->getPropertyValue(getPropertyName(PROP_BITMAP)) >>= xReplacement;
146 return xReplacement;
149 void OLEHandler::lcl_sprm(Sprm & rSprm)
151 sal_uInt32 nSprmId = rSprm.getId();
152 switch( nSprmId )
154 case NS_ooxml::LN_OLEObject_OLEObject:
156 writerfilter::Reference<Properties>::Pointer_t pProperties = rSprm.getProps();
157 if( pProperties )
159 pProperties->resolve(*this);
162 break;
163 case NS_ooxml::LN_wrap_wrap:
165 writerfilter::Reference<Properties>::Pointer_t pProperties = rSprm.getProps();
166 if ( pProperties )
168 tools::SvRef<WrapHandler> pHandler( new WrapHandler );
169 pProperties->resolve( *pHandler );
171 m_nWrapMode = pHandler->getWrapMode( );
175 uno::Reference< beans::XPropertySet > xShapeProps( m_xShape, uno::UNO_QUERY_THROW );
177 xShapeProps->setPropertyValue(
178 getPropertyName( PROP_SURROUND ),
179 uno::Any( static_cast<sal_Int32>(m_nWrapMode) ) );
181 // Through shapes in the header or footer(that spill into the body) should be in the background.
182 // It is just assumed that all shapes will spill into the body.
183 if( m_rDomainMapper.IsInHeaderFooter() )
184 xShapeProps->setPropertyValue("Opaque", uno::Any(m_nWrapMode != text::WrapTextMode_THROUGH));
186 catch( const uno::Exception& )
188 TOOLS_WARN_EXCEPTION("writerfilter", "Exception in OLE Handler");
192 break;
193 default:
195 OSL_FAIL( "unknown attribute");
200 void OLEHandler::importStream(const uno::Reference<uno::XComponentContext>& xComponentContext, const uno::Reference<text::XTextDocument>& xTextDocument, const uno::Reference<text::XTextContent>& xOLE)
202 OUString aFilterService;
203 if (m_sProgId == "Word.Document.12")
204 aFilterService = "com.sun.star.comp.Writer.WriterFilter";
205 else if (m_sProgId == "Excel.Sheet.12")
206 aFilterService = "com.sun.star.comp.oox.xls.ExcelFilter";
207 else if (m_sProgId == "Equation.3")
208 aFilterService = "com.sun.star.comp.Math.MathTypeFilter";
209 else
210 SAL_WARN("writerfilter", "OLEHandler::importStream: unhandled m_sProgId: " << m_sProgId);
212 if (!m_xInputStream.is() || aFilterService.isEmpty())
213 return;
215 // Create the filter service.
216 uno::Reference<uno::XInterface> xInterface = xComponentContext->getServiceManager()->createInstanceWithContext(aFilterService, xComponentContext);
218 // Set target document.
219 uno::Reference<document::XImporter> xImporter(xInterface, uno::UNO_QUERY);
220 uno::Reference<document::XEmbeddedObjectSupplier> xSupplier(xOLE, uno::UNO_QUERY);
221 uno::Reference<lang::XComponent> xEmbeddedObject = xSupplier->getEmbeddedObject();
222 if (!xEmbeddedObject.is())
223 return;
224 xImporter->setTargetDocument( xEmbeddedObject );
226 // Import the input stream.
227 utl::MediaDescriptor aMediaDescriptor;
228 aMediaDescriptor["InputStream"] <<= m_xInputStream;
229 uno::Reference<document::XFilter> xFilter(xInterface, uno::UNO_QUERY);
230 xFilter->filter(aMediaDescriptor.getAsConstPropertyValueList());
232 // Now that the data is imported, update the (typically) changed stream name.
233 uno::Reference<beans::XPropertySet> xPropertySet(xOLE, uno::UNO_QUERY);
234 ::oox::ole::SaveInteropProperties(xTextDocument,
235 xPropertySet->getPropertyValue("StreamName").get<OUString>(), &m_aURL,
236 m_sProgId);
239 OUString OLEHandler::getCLSID() const
241 OUString aRet;
243 // See officecfg/registry/data/org/openoffice/Office/Embedding.xcu.
244 if (m_sProgId == "Word.Document.12")
246 if (officecfg::Office::Common::Filter::Microsoft::Import::WinWordToWriter::get())
247 aRet = "8BC6B165-B1B2-4EDD-aa47-dae2ee689dd6";
249 else if (m_sProgId == "Excel.Sheet.12")
251 if (officecfg::Office::Common::Filter::Microsoft::Import::ExcelToCalc::get())
252 aRet = "47BBB4CB-CE4C-4E80-A591-42D9AE74950F";
254 else if (m_sProgId == "Equation.3")
256 if (officecfg::Office::Common::Filter::Microsoft::Import::MathTypeToMath::get())
257 aRet = "078B7ABA-54FC-457F-8551-6147E776A997";
259 else
260 SAL_WARN("writerfilter", "OLEHandler::getCLSID: unhandled m_sProgId: " << m_sProgId);
262 return aRet;
265 OUString const & OLEHandler::GetDrawAspect() const
267 return m_sDrawAspect;
270 OUString const & OLEHandler::GetVisAreaWidth() const
272 return m_sVisAreaWidth;
275 OUString const & OLEHandler::GetVisAreaHeight() const
277 return m_sVisAreaHeight;
280 OUString OLEHandler::copyOLEOStream(
281 uno::Reference<text::XTextDocument> const& xTextDocument)
283 OUString sRet;
284 if( !m_xInputStream.is( ) )
285 return sRet;
288 uno::Reference < lang::XMultiServiceFactory > xFactory(xTextDocument, uno::UNO_QUERY_THROW);
289 uno::Reference< document::XEmbeddedObjectResolver > xEmbeddedResolver(
290 xFactory->createInstance("com.sun.star.document.ImportEmbeddedObjectResolver"), uno::UNO_QUERY_THROW );
291 //hack to work with the ImportEmbeddedObjectResolver
292 static sal_Int32 nObjectCount = 100;
293 uno::Reference< container::XNameAccess > xNA( xEmbeddedResolver, uno::UNO_QUERY_THROW );
294 OUString aURL = "Obj" + OUString::number( nObjectCount++ );
295 uno::Reference < io::XOutputStream > xOLEStream;
296 if( (xNA->getByName( aURL ) >>= xOLEStream) && xOLEStream.is() )
298 const sal_Int32 nReadRequest = 0x1000;
299 uno::Sequence< sal_Int8 > aData;
301 while( true )
303 sal_Int32 nRead = m_xInputStream->readBytes( aData, nReadRequest );
304 xOLEStream->writeBytes( aData );
305 if( nRead < nReadRequest )
307 xOLEStream->closeOutput();
308 break;
312 ::oox::ole::SaveInteropProperties(xTextDocument, aURL, nullptr, m_sProgId);
314 OUString aPersistName( xEmbeddedResolver->resolveEmbeddedObjectURL( aURL ) );
315 sRet = aPersistName.copy( strlen("vnd.sun.star.EmbeddedObject:") );
318 uno::Reference< lang::XComponent > xComp( xEmbeddedResolver, uno::UNO_QUERY_THROW );
319 xComp->dispose();
320 m_aURL = aURL;
322 catch( const uno::Exception& )
324 TOOLS_WARN_EXCEPTION( "writerfilter", "OLEHandler::createOLEObject");
326 return sRet;
329 } //namespace writerfilter::dmapper
331 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */