writerperfect/source/impress/MWAWPresentationImportFilter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* MWAWPresentationImportFilter: Sets up the filter, and calls DocumentCollector
   3  * to do the actual filtering
   4  *
   5  * This file is part of the LibreOffice project.
   6  *
   7  * This Source Code Form is subject to the terms of the Mozilla Public
   8  * License, v. 2.0. If a copy of the MPL was not distributed with this
   9  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
  10  */
  11
  12 #include <cppuhelper/supportsservice.hxx>
  13
  14 #include <libmwaw/libmwaw.hxx>
  15
  16 #include "MWAWPresentationImportFilter.hxx"
  17
  18 static bool handleEmbeddedMWAWGraphicObject(const librevenge::RVNGBinaryData& data,
  19                                             OdfDocumentHandler* pHandler,
  20                                             const OdfStreamType streamType)
  21 {
  22     OdgGenerator exporter;
  23     exporter.addDocumentHandler(pHandler, streamType);
  24     return MWAWDocument::decodeGraphic(data, &exporter);
  25 }
  26
  27 static bool handleEmbeddedMWAWSpreadsheetObject(const librevenge::RVNGBinaryData& data,
  28                                                 OdfDocumentHandler* pHandler,
  29                                                 const OdfStreamType streamType)
  30 {
  31     OdsGenerator exporter;
  32     exporter.registerEmbeddedObjectHandler("image/mwaw-odg", &handleEmbeddedMWAWGraphicObject);
  33     exporter.addDocumentHandler(pHandler, streamType);
  34     return MWAWDocument::decodeSpreadsheet(data, &exporter);
  35 }
  36
  37 bool MWAWPresentationImportFilter::doImportDocument(weld::Window*,
  38                                                     librevenge::RVNGInputStream& rInput,
  39                                                     OdpGenerator& rGenerator, utl::MediaDescriptor&)
  40 {
  41     return MWAWDocument::MWAW_R_OK == MWAWDocument::parse(&rInput, &rGenerator);
  42 }
  43
  44 bool MWAWPresentationImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
  45                                                   OUString& rTypeName)
  46 {
  47     rTypeName.clear();
  48
  49     MWAWDocument::Type docType = MWAWDocument::MWAW_T_UNKNOWN;
  50     MWAWDocument::Kind docKind = MWAWDocument::MWAW_K_UNKNOWN;
  51     const MWAWDocument::Confidence confidence
  52         = MWAWDocument::isFileFormatSupported(&rInput, docType, docKind);
  53
  54     if (confidence == MWAWDocument::MWAW_C_EXCELLENT)
  55     {
  56         if (docKind == MWAWDocument::MWAW_K_PRESENTATION)
  57         {
  58             switch (docType)
  59             {
  60                 case MWAWDocument::MWAW_T_CLARISWORKS:
  61                     rTypeName = "impress_ClarisWorks";
  62                     break;
  63                 case MWAWDocument::MWAW_T_RESERVED8:
  64                     rTypeName = "impress_PowerPoint3";
  65                     break;
  66                 default:
  67                     rTypeName = "MWAW_Presentation";
  68                     break;
  69             }
  70         }
  71     }
  72
  73     return !rTypeName.isEmpty();
  74 }
  75
  76 void MWAWPresentationImportFilter::doRegisterHandlers(OdpGenerator& rGenerator)
  77 {
  78     rGenerator.registerEmbeddedObjectHandler("image/mwaw-odg", &handleEmbeddedMWAWGraphicObject);
  79     rGenerator.registerEmbeddedObjectHandler("image/mwaw-ods",
  80                                              &handleEmbeddedMWAWSpreadsheetObject);
  81 }
  82
  83 // XServiceInfo
  84 OUString SAL_CALL MWAWPresentationImportFilter::getImplementationName()
  85 {
  86     return u"com.sun.star.comp.Impress.MWAWPresentationImportFilter"_ustr;
  87 }
  88 sal_Bool SAL_CALL MWAWPresentationImportFilter::supportsService(const OUString& rServiceName)
  89 {
  90     return cppu::supportsService(this, rServiceName);
  91 }
  92 css::uno::Sequence<OUString> SAL_CALL MWAWPresentationImportFilter::getSupportedServiceNames()
  93 {
  94     return { u"com.sun.star.document.ImportFilter"_ustr,
  95              u"com.sun.star.document.ExtendedTypeDetection"_ustr };
  96 }
  97
  98 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
  99 com_sun_star_comp_Impress_MWAWPresentationImportFilter_get_implementation(
 100     css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
 101 {
 102     return cppu::acquire(new MWAWPresentationImportFilter(context));
 103 }
 104
 105 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */