writerperfect/source/impress/StarOfficePresentationImportFilter.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
  10 #include <cppuhelper/supportsservice.hxx>
  11
  12 #include <libstaroffice/libstaroffice.hxx>
  13
  14 #include "StarOfficePresentationImportFilter.hxx"
  15
  16 using com::sun::star::uno::Sequence;
  17 using com::sun::star::uno::XComponentContext;
  18 using com::sun::star::uno::XInterface;
  19
  20 static bool handleEmbeddedSTOFFGraphicObject(const librevenge::RVNGBinaryData& data,
  21                                              OdfDocumentHandler* pHandler,
  22                                              const OdfStreamType streamType)
  23 {
  24     OdgGenerator exporter;
  25     exporter.addDocumentHandler(pHandler, streamType);
  26     return STOFFDocument::decodeGraphic(data, &exporter);
  27 }
  28
  29 static bool handleEmbeddedSTOFFSpreadsheetObject(const librevenge::RVNGBinaryData& data,
  30                                                  OdfDocumentHandler* pHandler,
  31                                                  const OdfStreamType streamType)
  32 {
  33     OdsGenerator exporter;
  34     exporter.registerEmbeddedObjectHandler("image/stoff-odg", &handleEmbeddedSTOFFGraphicObject);
  35     exporter.addDocumentHandler(pHandler, streamType);
  36     return STOFFDocument::decodeSpreadsheet(data, &exporter);
  37 }
  38
  39 bool StarOfficePresentationImportFilter::doImportDocument(weld::Window*,
  40                                                           librevenge::RVNGInputStream& rInput,
  41                                                           OdpGenerator& rGenerator,
  42                                                           utl::MediaDescriptor&)
  43 {
  44     return STOFFDocument::STOFF_R_OK == STOFFDocument::parse(&rInput, &rGenerator);
  45 }
  46
  47 bool StarOfficePresentationImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
  48                                                         OUString& rTypeName)
  49 {
  50     rTypeName.clear();
  51
  52     STOFFDocument::Kind docKind = STOFFDocument::STOFF_K_UNKNOWN;
  53     const STOFFDocument::Confidence confidence
  54         = STOFFDocument::isFileFormatSupported(&rInput, docKind);
  55
  56     if (confidence == STOFFDocument::STOFF_C_EXCELLENT
  57         || confidence == STOFFDocument::STOFF_C_SUPPORTED_ENCRYPTION)
  58     {
  59         switch (docKind)
  60         {
  61             case STOFFDocument::STOFF_K_PRESENTATION:
  62                 rTypeName = "StarOffice_Presentation";
  63                 break;
  64             default:
  65                 break;
  66         }
  67     }
  68
  69     return !rTypeName.isEmpty();
  70 }
  71
  72 void StarOfficePresentationImportFilter::doRegisterHandlers(OdpGenerator& rGenerator)
  73 {
  74     rGenerator.registerEmbeddedObjectHandler("image/stoff-odg", &handleEmbeddedSTOFFGraphicObject);
  75     rGenerator.registerEmbeddedObjectHandler("image/stoff-ods",
  76                                              &handleEmbeddedSTOFFSpreadsheetObject);
  77 }
  78
  79 // XServiceInfo
  80 OUString SAL_CALL StarOfficePresentationImportFilter::getImplementationName()
  81 {
  82     return u"org.libreoffice.comp.Impress.StarOfficePresentationImportFilter"_ustr;
  83 }
  84
  85 sal_Bool SAL_CALL StarOfficePresentationImportFilter::supportsService(const OUString& rServiceName)
  86 {
  87     return cppu::supportsService(this, rServiceName);
  88 }
  89
  90 Sequence<OUString> SAL_CALL StarOfficePresentationImportFilter::getSupportedServiceNames()
  91 {
  92     return { u"com.sun.star.document.ImportFilter"_ustr,
  93              u"com.sun.star.document.ExtendedTypeDetection"_ustr };
  94 }
  95
  96 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
  97 org_libreoffice_comp_Presentation_StarOfficePresentationImportFilter_get_implementation(
  98     css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
  99 {
 100     return cppu::acquire(new StarOfficePresentationImportFilter(context));
 101 }
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */