xmloff/source/core/XMLEmbeddedObjectImportContext.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/document/XImporter.hpp>
  21 #include <com/sun/star/util/XModifiable.hpp>
  22 #include <com/sun/star/util/XModifiable2.hpp>
  23 #include <com/sun/star/frame/XStorable.hpp>
  24 #include <tools/globname.hxx>
  25 #include <comphelper/classids.hxx>
  26 #include <xmloff/nmspmap.hxx>
  27 #include <xmloff/xmlimp.hxx>
  28 #include <xmloff/xmlnmspe.hxx>
  29 #include <xmloff/xmltoken.hxx>
  30 #include <xmloff/xmlerror.hxx>
  31 #include <xmloff/attrlist.hxx>
  32 #include <xmloff/XMLFilterServiceNames.h>
  33 #include "XMLEmbeddedObjectImportContext.hxx"
  34
  35 using namespace ::com::sun::star::uno;
  36 using namespace ::com::sun::star::util;
  37 using namespace ::com::sun::star::beans;
  38 using namespace ::com::sun::star::lang;
  39 using namespace ::com::sun::star::frame;
  40 using namespace ::com::sun::star::document;
  41 using namespace ::com::sun::star::xml::sax;
  42 using namespace ::xmloff::token;
  43
  44 namespace {
  45
  46 struct XMLServiceMapEntry_Impl
  47 {
  48     enum XMLTokenEnum eClass;
  49     const sal_Char *sFilterService;
  50     sal_Int32      nFilterServiceLen;
  51 };
  52
  53 }
  54
  55 #define SERVICE_MAP_ENTRY( cls, app ) \
  56     { XML_##cls, \
  57       XML_IMPORT_FILTER_##app, sizeof(XML_IMPORT_FILTER_##app)-1}
  58
  59 const XMLServiceMapEntry_Impl aServiceMap[] =
  60 {
  61     SERVICE_MAP_ENTRY( TEXT, WRITER ),
  62     SERVICE_MAP_ENTRY( ONLINE_TEXT, WRITER ),
  63     SERVICE_MAP_ENTRY( SPREADSHEET, CALC ),
  64     SERVICE_MAP_ENTRY( DRAWING, DRAW ),
  65     SERVICE_MAP_ENTRY( GRAPHICS, DRAW ),
  66     SERVICE_MAP_ENTRY( PRESENTATION, IMPRESS ),
  67     SERVICE_MAP_ENTRY( CHART, CHART ),
  68     { XML_TOKEN_INVALID, 0, 0 }
  69 };
  70
  71 class XMLEmbeddedObjectImportContext_Impl : public SvXMLImportContext
  72 {
  73     ::com::sun::star::uno::Reference<
  74         ::com::sun::star::xml::sax::XDocumentHandler > xHandler;
  75
  76 public:
  77     TYPEINFO_OVERRIDE();
  78
  79     XMLEmbeddedObjectImportContext_Impl( SvXMLImport& rImport, sal_uInt16 nPrfx,
  80                                     const OUString& rLName,
  81     const ::com::sun::star::uno::Reference<
  82         ::com::sun::star::xml::sax::XDocumentHandler >& rHandler );
  83
  84     virtual ~XMLEmbeddedObjectImportContext_Impl();
  85
  86     virtual SvXMLImportContext *CreateChildContext( sal_uInt16 nPrefix,
  87                                    const OUString& rLocalName,
  88                                    const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& xAttrList ) SAL_OVERRIDE;
  89
  90     virtual void StartElement( const ::com::sun::star::uno::Reference< ::com::sun::star::xml::sax::XAttributeList >& xAttrList ) SAL_OVERRIDE;
  91
  92     virtual void EndElement() SAL_OVERRIDE;
  93
  94     virtual void Characters( const OUString& rChars ) SAL_OVERRIDE;
  95 };
  96
  97 TYPEINIT1( XMLEmbeddedObjectImportContext_Impl, SvXMLImportContext );
  98
  99 XMLEmbeddedObjectImportContext_Impl::XMLEmbeddedObjectImportContext_Impl(
 100         SvXMLImport& rImport, sal_uInt16 nPrfx,
 101         const OUString& rLName,
 102         const Reference< XDocumentHandler >& rHandler ) :
 103     SvXMLImportContext( rImport, nPrfx, rLName ),
 104     xHandler( rHandler )
 105 {
 106 }
 107
 108 XMLEmbeddedObjectImportContext_Impl::~XMLEmbeddedObjectImportContext_Impl()
 109 {
 110 }
 111
 112 SvXMLImportContext *XMLEmbeddedObjectImportContext_Impl::CreateChildContext(
 113         sal_uInt16 nPrefix,
 114         const OUString& rLocalName,
 115         const Reference< XAttributeList >& )
 116 {
 117     return new XMLEmbeddedObjectImportContext_Impl( GetImport(),
 118                                                     nPrefix, rLocalName,
 119                                                     xHandler );
 120 }
 121
 122 void XMLEmbeddedObjectImportContext_Impl::StartElement(
 123         const Reference< XAttributeList >& xAttrList )
 124 {
 125     xHandler->startElement( GetImport().GetNamespaceMap().GetQNameByKey(
 126                                 GetPrefix(), GetLocalName() ),
 127                             xAttrList );
 128 }
 129
 130 void XMLEmbeddedObjectImportContext_Impl::EndElement()
 131 {
 132     xHandler->endElement( GetImport().GetNamespaceMap().GetQNameByKey(
 133                                 GetPrefix(), GetLocalName() ) );
 134 }
 135
 136 void XMLEmbeddedObjectImportContext_Impl::Characters( const OUString& rChars )
 137 {
 138     xHandler->characters( rChars );
 139 }
 140
 141 TYPEINIT1( XMLEmbeddedObjectImportContext, SvXMLImportContext );
 142
 143 bool XMLEmbeddedObjectImportContext::SetComponent(
 144         Reference< XComponent >& rComp )
 145 {
 146     if( !rComp.is() || sFilterService.isEmpty() )
 147         return false;
 148
 149     Sequence<Any> aArgs( 0 );
 150
 151     Reference< XComponentContext > xContext( GetImport().GetComponentContext() );
 152
 153     xHandler = Reference < XDocumentHandler >(
 154         xContext->getServiceManager()->createInstanceWithArgumentsAndContext(sFilterService, aArgs, xContext),
 155         UNO_QUERY);
 156
 157     if( !xHandler.is() )
 158         return false;
 159
 160     try
 161     {
 162         Reference < XModifiable2 > xModifiable2( rComp, UNO_QUERY_THROW );
 163         xModifiable2->disableSetModified();
 164     }
 165     catch( Exception& )
 166     {
 167     }
 168
 169     Reference < XImporter > xImporter( xHandler, UNO_QUERY );
 170     xImporter->setTargetDocument( rComp );
 171
 172     xComp = rComp;  // keep ref to component only if there is a handler
 173
 174     return true;
 175 }
 176
 177 XMLEmbeddedObjectImportContext::XMLEmbeddedObjectImportContext(
 178         SvXMLImport& rImport, sal_uInt16 nPrfx, const OUString& rLName,
 179         const Reference< XAttributeList >& xAttrList ) :
 180     SvXMLImportContext( rImport, nPrfx, rLName )
 181 {
 182     SvGlobalName aName;
 183
 184     if( nPrfx == XML_NAMESPACE_MATH &&
 185         IsXMLToken( rLName, XML_MATH ) )
 186     {
 187         sFilterService = XML_IMPORT_FILTER_MATH;
 188         aName = SvGlobalName(SO3_SM_CLASSID);
 189     }
 190     else if( nPrfx == XML_NAMESPACE_OFFICE &&
 191         IsXMLToken( rLName, XML_DOCUMENT ) )
 192     {
 193         OUString sMime;
 194
 195         sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
 196         for( sal_Int16 i=0; i < nAttrCount; i++ )
 197         {
 198             const OUString& rAttrName = xAttrList->getNameByIndex( i );
 199             OUString aLocalName;
 200             sal_uInt16 nPrefix = GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName, &aLocalName );
 201             if( nPrefix == XML_NAMESPACE_OFFICE &&
 202                 IsXMLToken( aLocalName, XML_MIMETYPE ) )
 203             {
 204                 sMime = xAttrList->getValueByIndex( i );
 205                 break;
 206             }
 207         }
 208
 209         OUString sClass;
 210         static const char * aTmp[] =
 211         {
 212             "application/vnd.oasis.openoffice.",
 213             "application/x-vnd.oasis.openoffice.",
 214             "application/vnd.oasis.opendocument.",
 215             "application/x-vnd.oasis.opendocument.",
 216             NULL
 217         };
 218         for (int k=0; aTmp[k]; k++)
 219         {
 220             OUString sTmpString = OUString::createFromAscii(aTmp[k]);
 221             if( sMime.matchAsciiL( aTmp[k], sTmpString.getLength() ) )
 222             {
 223                 sClass = sMime.copy( sTmpString.getLength() );
 224                 break;
 225             }
 226         }
 227
 228         if( !sClass.isEmpty() )
 229         {
 230             const XMLServiceMapEntry_Impl *pEntry = aServiceMap;
 231             while( pEntry->eClass != XML_TOKEN_INVALID )
 232             {
 233                 if( IsXMLToken( sClass, pEntry->eClass ) )
 234                 {
 235                     sFilterService = OUString( pEntry->sFilterService,
 236                                                pEntry->nFilterServiceLen,
 237                                                RTL_TEXTENCODING_ASCII_US );
 238
 239                     switch( pEntry->eClass )
 240                     {
 241                     case XML_TEXT:          aName = SvGlobalName(SO3_SW_CLASSID); break;
 242                     case XML_ONLINE_TEXT:   aName = SvGlobalName(SO3_SWWEB_CLASSID); break;
 243                     case XML_SPREADSHEET:   aName = SvGlobalName(SO3_SC_CLASSID); break;
 244                     case XML_DRAWING:
 245                     case XML_GRAPHICS:
 246                     case XML_IMAGE:     aName = SvGlobalName(SO3_SDRAW_CLASSID); break;
 247                     case XML_PRESENTATION:  aName = SvGlobalName(SO3_SIMPRESS_CLASSID); break;
 248                     case XML_CHART:         aName = SvGlobalName(SO3_SCH_CLASSID); break;
 249                     default:
 250                         break;
 251                     }
 252
 253                     break;
 254                 }
 255                 pEntry++;
 256             }
 257         }
 258     }
 259
 260     sCLSID = aName.GetHexName();
 261 }
 262
 263 XMLEmbeddedObjectImportContext::~XMLEmbeddedObjectImportContext()
 264 {
 265 }
 266
 267 SvXMLImportContext *XMLEmbeddedObjectImportContext::CreateChildContext(
 268         sal_uInt16 nPrefix, const OUString& rLocalName,
 269         const Reference< XAttributeList >& )
 270 {
 271     if( xHandler.is() )
 272         return new XMLEmbeddedObjectImportContext_Impl( GetImport(),
 273                                                         nPrefix, rLocalName,
 274                                                         xHandler );
 275     else
 276         return new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
 277 }
 278
 279 void XMLEmbeddedObjectImportContext::StartElement(
 280         const Reference< XAttributeList >& rAttrList )
 281 {
 282     if( xHandler.is() )
 283     {
 284         xHandler->startDocument();
 285         // #i34042: copy namepspace declarations
 286         SvXMLAttributeList *pAttrList = new SvXMLAttributeList( rAttrList );
 287         Reference< XAttributeList > xAttrList( pAttrList );
 288         const SvXMLNamespaceMap& rNamespaceMap = GetImport().GetNamespaceMap();
 289         sal_uInt16 nPos = rNamespaceMap.GetFirstKey();
 290         while( USHRT_MAX != nPos )
 291         {
 292             OUString aAttrName( rNamespaceMap.GetAttrNameByKey( nPos ) );
 293             if( xAttrList->getValueByName( aAttrName ).isEmpty() )
 294             {
 295                 pAttrList->AddAttribute( aAttrName,
 296                                           rNamespaceMap.GetNameByKey( nPos ) );
 297             }
 298             nPos = rNamespaceMap.GetNextKey( nPos );
 299         }
 300         xHandler->startElement( GetImport().GetNamespaceMap().GetQNameByKey(
 301                                     GetPrefix(), GetLocalName() ),
 302                                 xAttrList );
 303     }
 304 }
 305
 306 void XMLEmbeddedObjectImportContext::EndElement()
 307 {
 308     if( xHandler.is() )
 309     {
 310         xHandler->endElement( GetImport().GetNamespaceMap().GetQNameByKey(
 311                                     GetPrefix(), GetLocalName() ) );
 312         xHandler->endDocument();
 313
 314     try
 315     {
 316         Reference < XModifiable2 > xModifiable2( xComp, UNO_QUERY_THROW );
 317         xModifiable2->enableSetModified();
 318         xModifiable2->setModified( sal_True ); // trigger new replacement image generation
 319     }
 320     catch( Exception& )
 321     {
 322     }
 323     }
 324 }
 325
 326 void XMLEmbeddedObjectImportContext::Characters( const OUString& rChars )
 327 {
 328     if( xHandler.is() )
 329         xHandler->characters( rChars );
 330 }
 331
 332 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */