xmloff/source/chart/XMLSymbolImageContext.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 "XMLSymbolImageContext.hxx"
  21 #include <xmloff/xmltoken.hxx>
  22 #include <xmloff/xmltkmap.hxx>
  23 #include <xmloff/xmlnmspe.hxx>
  24 #include <xmloff/xmlimp.hxx>
  25 #include <xmloff/nmspmap.hxx>
  26 #include <xmloff/XMLBase64ImportContext.hxx>
  27 #include <com/sun/star/io/XOutputStream.hpp>
  28 #include <com/sun/star/graphic/XGraphic.hpp>
  29
  30 using namespace css;
  31
  32 enum SvXMLTokenMapAttrs
  33 {
  34     XML_TOK_SYMBOL_IMAGE_HREF,
  35     XML_TOK_SYMBOL_IMAGE_TYPE,
  36     XML_TOK_SYMBOL_IMAGE_ACTUATE,
  37     XML_TOK_SYMBOL_IMAGE_SHOW,
  38 };
  39
  40 static const SvXMLTokenMapEntry aSymbolImageAttrTokenMap[] =
  41 {
  42     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_HREF,     XML_TOK_SYMBOL_IMAGE_HREF    },
  43     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_TYPE,     XML_TOK_SYMBOL_IMAGE_TYPE    },
  44     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_ACTUATE,  XML_TOK_SYMBOL_IMAGE_ACTUATE },
  45     { XML_NAMESPACE_XLINK,  ::xmloff::token::XML_SHOW,     XML_TOK_SYMBOL_IMAGE_SHOW },
  46     XML_TOKEN_MAP_END
  47 };
  48
  49 XMLSymbolImageContext::XMLSymbolImageContext(
  50     SvXMLImport& rImport, sal_uInt16 nPrfx,
  51     const OUString& rLName,
  52     const XMLPropertyState& rProp,
  53     ::std::vector< XMLPropertyState > &rProps ) :
  54         XMLElementPropertyContext(
  55             rImport, nPrfx, rLName, rProp, rProps )
  56 {
  57 }
  58
  59 XMLSymbolImageContext::~XMLSymbolImageContext()
  60 {}
  61
  62 void XMLSymbolImageContext::StartElement( const uno::Reference< xml::sax::XAttributeList >& xAttrList )
  63 {
  64     static const SvXMLTokenMap aTokenMap( aSymbolImageAttrTokenMap );
  65     OUString aLocalName;
  66
  67     sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
  68     for( sal_Int16 i = 0; i < nAttrCount; i++ )
  69     {
  70         const OUString& rAttrName = xAttrList->getNameByIndex( i );
  71         sal_uInt16 nPrefix =
  72             GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
  73                                                             &aLocalName );
  74         const OUString& rValue = xAttrList->getValueByIndex( i );
  75
  76         switch( aTokenMap.Get( nPrefix, aLocalName ) )
  77         {
  78             case XML_TOK_SYMBOL_IMAGE_HREF:
  79                 msURL = rValue;
  80                 break;
  81             case XML_TOK_SYMBOL_IMAGE_ACTUATE:
  82             case XML_TOK_SYMBOL_IMAGE_TYPE:
  83             case XML_TOK_SYMBOL_IMAGE_SHOW:
  84                 // these values are currently not interpreted
  85                 // it is always assumed 'actuate=onLoad', 'type=simple', 'show=embed'
  86                 break;
  87         }
  88     }
  89 }
  90
  91 SvXMLImportContextRef XMLSymbolImageContext::CreateChildContext(
  92     sal_uInt16 nPrefix, const OUString& rLocalName,
  93     const uno::Reference< xml::sax::XAttributeList > & xAttrList )
  94 {
  95     SvXMLImportContext* pContext = nullptr;
  96     if( xmloff::token::IsXMLToken( rLocalName,
  97                                    xmloff::token::XML_BINARY_DATA ) )
  98     {
  99         if( msURL.isEmpty() && ! mxBase64Stream.is() )
 100         {
 101             mxBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
 102             if( mxBase64Stream.is() )
 103                 pContext = new XMLBase64ImportContext( GetImport(), nPrefix,
 104                                                        rLocalName, xAttrList,
 105                                                        mxBase64Stream );
 106         }
 107     }
 108     if( ! pContext )
 109     {
 110         pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
 111     }
 112
 113     return pContext;
 114 }
 115
 116 void XMLSymbolImageContext::EndElement()
 117 {
 118     uno::Reference<graphic::XGraphic> xGraphic;
 119
 120     if (!msURL.isEmpty())
 121     {
 122         xGraphic = GetImport().loadGraphicByURL(msURL);
 123     }
 124     else if (mxBase64Stream.is())
 125     {
 126         xGraphic = GetImport().loadGraphicFromBase64(mxBase64Stream);
 127         mxBase64Stream = nullptr;
 128     }
 129
 130     if (xGraphic.is())
 131     {
 132         // aProp is a member of XMLElementPropertyContext
 133         aProp.maValue <<= xGraphic;
 134         SetInsert( true );
 135     }
 136
 137     XMLElementPropertyContext::EndElement();
 138 }
 139
 140 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */