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/namespacemap.hxx>
  27 #include <xmloff/XMLBase64ImportContext.hxx>
  28 #include <XMLReplacementImageContext.hxx>
  29 #include <sal/log.hxx>
  30
  31 using ::com::sun::star::uno::Reference;
  32 using namespace ::com::sun::star::xml::sax;
  33 using namespace ::com::sun::star::beans;
  34 using namespace css;
  35 using namespace ::xmloff::token;
  36
  37 XMLReplacementImageContext::XMLReplacementImageContext(
  38         SvXMLImport& rImport,
  39         sal_Int32 /*nElement*/,
  40         const Reference< XFastAttributeList > & rAttrList,
  41         const Reference< XPropertySet > & rPropSet ) :
  42     SvXMLImportContext( rImport ),
  43     m_xPropSet( rPropSet )
  44 {
  45     m_sHRef = rAttrList->getOptionalValue(XML_ELEMENT(XLINK, XML_HREF));
  46 }
  47
  48 XMLReplacementImageContext::~XMLReplacementImageContext()
  49 {
  50 }
  51
  52 void XMLReplacementImageContext::endFastElement(sal_Int32 )
  53 {
  54     OSL_ENSURE( !m_sHRef.isEmpty() || m_xBase64Stream.is(),
  55                 "neither URL nor base64 image data given" );
  56     uno::Reference<graphic::XGraphic> xGraphic;
  57
  58     try
  59     {
  60         if( !m_sHRef.isEmpty() )
  61         {
  62             xGraphic = GetImport().loadGraphicByURL(m_sHRef);
  63         }
  64         else if( m_xBase64Stream.is() )
  65         {
  66             xGraphic = GetImport().loadGraphicFromBase64(m_xBase64Stream);
  67             m_xBase64Stream = nullptr;
  68         }
  69     }
  70     catch (uno::Exception const &)
  71     {}
  72
  73     Reference < XPropertySetInfo > xPropSetInfo = m_xPropSet->getPropertySetInfo();
  74
  75     if (xGraphic.is() && xPropSetInfo->hasPropertyByName("Graphic"))
  76     {
  77         m_xPropSet->setPropertyValue("Graphic", uno::Any(xGraphic));
  78     }
  79 }
  80
  81 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLReplacementImageContext::createFastChildContext(
  82     sal_Int32 nElement,
  83     const css::uno::Reference< css::xml::sax::XFastAttributeList >&  )
  84 {
  85     if( nElement == XML_ELEMENT(OFFICE, XML_BINARY_DATA) &&
  86         !m_xBase64Stream.is() )
  87     {
  88         m_xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
  89         if( m_xBase64Stream.is() )
  90             return new XMLBase64ImportContext( GetImport(),
  91                                                     m_xBase64Stream );
  92     }
  93
  94     XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
  95     return nullptr;
  96 }
  97
  98
  99 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */