xmloff/source/draw/XMLReplacementImageContext.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   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/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  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 .
  18  */
  19
  20 #include <com/sun/star/beans/XPropertySet.hpp>
  21 #include <com/sun/star/graphic/XGraphic.hpp>
  22 #include <osl/diagnose.h>
  23 #include <xmloff/xmlimp.hxx>
  24 #include <xmloff/xmltoken.hxx>
  25 #include <xmloff/xmlnamespace.hxx>
  26 #include <xmloff/XMLBase64ImportContext.hxx>
  27 #include <XMLReplacementImageContext.hxx>
  28 #include <sal/log.hxx>
  29
  30 using ::com::sun::star::uno::Reference;
  31 using namespace ::com::sun::star::xml::sax;
  32 using namespace ::com::sun::star::beans;
  33 using namespace css;
  34 using namespace ::xmloff::token;
  35
  36 XMLReplacementImageContext::XMLReplacementImageContext(
  37         SvXMLImport& rImport,
  38         sal_Int32 /*nElement*/,
  39         const Reference< XFastAttributeList > & rAttrList,
  40         const Reference< XPropertySet > & rPropSet ) :
  41     SvXMLImportContext( rImport ),
  42     m_xPropSet( rPropSet )
  43 {
  44     m_sHRef = rAttrList->getOptionalValue(XML_ELEMENT(XLINK, XML_HREF));
  45 }
  46
  47 XMLReplacementImageContext::~XMLReplacementImageContext()
  48 {
  49 }
  50
  51 void XMLReplacementImageContext::endFastElement(sal_Int32 )
  52 {
  53     OSL_ENSURE( !m_sHRef.isEmpty() || m_xBase64Stream.is(),
  54                 "neither URL nor base64 image data given" );
  55     uno::Reference<graphic::XGraphic> xGraphic;
  56
  57     try
  58     {
  59         if( !m_sHRef.isEmpty() )
  60         {
  61             xGraphic = GetImport().loadGraphicByURL(m_sHRef);
  62         }
  63         else if( m_xBase64Stream.is() )
  64         {
  65             xGraphic = GetImport().loadGraphicFromBase64(m_xBase64Stream);
  66             m_xBase64Stream = nullptr;
  67         }
  68     }
  69     catch (uno::Exception const &)
  70     {}
  71
  72     Reference < XPropertySetInfo > xPropSetInfo = m_xPropSet->getPropertySetInfo();
  73
  74     if (xGraphic.is() && xPropSetInfo->hasPropertyByName(u"Graphic"_ustr))
  75     {
  76         m_xPropSet->setPropertyValue(u"Graphic"_ustr, uno::Any(xGraphic));
  77     }
  78 }
  79
  80 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLReplacementImageContext::createFastChildContext(
  81     sal_Int32 nElement,
  82     const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )
  83 {
  84     if( nElement == XML_ELEMENT(OFFICE, XML_BINARY_DATA) &&
  85         !m_xBase64Stream.is() )
  86     {
  87         m_xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
  88         if( m_xBase64Stream.is() )
  89             return new XMLBase64ImportContext( GetImport(),
  90                                                     m_xBase64Stream );
  91     }
  92
  93     XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
  94     return nullptr;
  95 }
  96
  97
  98 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */