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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */

#include <cppuhelper/supportsservice.hxx>
#include <com/sun/star/awt/XWindow.hpp>

#include <libstaroffice/libstaroffice.hxx>
#include <libodfgen/libodfgen.hxx>

#include "StarOfficePresentationImportFilter.hxx"

using com::sun::star::uno::RuntimeException;
using com::sun::star::uno::Sequence;
using com::sun::star::uno::XComponentContext;
using com::sun::star::uno::XInterface;

static bool handleEmbeddedSTOFFGraphicObject(const librevenge::RVNGBinaryData& data,
                                             OdfDocumentHandler* pHandler,
                                             const OdfStreamType streamType)
{
    OdgGenerator exporter;
    exporter.addDocumentHandler(pHandler, streamType);
    return STOFFDocument::decodeGraphic(data, &exporter);
}

static bool handleEmbeddedSTOFFSpreadsheetObject(const librevenge::RVNGBinaryData& data,
                                                 OdfDocumentHandler* pHandler,
                                                 const OdfStreamType streamType)
{
    OdsGenerator exporter;
    exporter.registerEmbeddedObjectHandler("image/stoff-odg", &handleEmbeddedSTOFFGraphicObject);
    exporter.addDocumentHandler(pHandler, streamType);
    return STOFFDocument::decodeSpreadsheet(data, &exporter);
}

bool StarOfficePresentationImportFilter::doImportDocument(weld::Window*,
                                                          librevenge::RVNGInputStream& rInput,
                                                          OdpGenerator& rGenerator,
                                                          utl::MediaDescriptor&)
{
    return STOFFDocument::STOFF_R_OK == STOFFDocument::parse(&rInput, &rGenerator);
}

bool StarOfficePresentationImportFilter::doDetectFormat(librevenge::RVNGInputStream& rInput,
                                                        OUString& rTypeName)
{
    rTypeName.clear();

    STOFFDocument::Kind docKind = STOFFDocument::STOFF_K_UNKNOWN;
    const STOFFDocument::Confidence confidence
        = STOFFDocument::isFileFormatSupported(&rInput, docKind);

    if (confidence == STOFFDocument::STOFF_C_EXCELLENT
        || confidence == STOFFDocument::STOFF_C_SUPPORTED_ENCRYPTION)
    {
        switch (docKind)
        {
            case STOFFDocument::STOFF_K_PRESENTATION:
                rTypeName = "StarOffice_Presentation";
                break;
            default:
                break;
        }
    }

    return !rTypeName.isEmpty();
}

void StarOfficePresentationImportFilter::doRegisterHandlers(OdpGenerator& rGenerator)
{
    rGenerator.registerEmbeddedObjectHandler("image/stoff-odg", &handleEmbeddedSTOFFGraphicObject);
    rGenerator.registerEmbeddedObjectHandler("image/stoff-ods",
                                             &handleEmbeddedSTOFFSpreadsheetObject);
}

// XServiceInfo
OUString SAL_CALL StarOfficePresentationImportFilter::getImplementationName()
{
    return OUString("org.libreoffice.comp.Impress.StarOfficePresentationImportFilter");
}

sal_Bool SAL_CALL StarOfficePresentationImportFilter::supportsService(const OUString& rServiceName)
{
    return cppu::supportsService(this, rServiceName);
}

Sequence<OUString> SAL_CALL StarOfficePresentationImportFilter::getSupportedServiceNames()
{
    return Sequence<OUString>{ "com.sun.star.document.ImportFilter",
                               "com.sun.star.document.ExtendedTypeDetection" };
}

extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
org_libreoffice_comp_Presentation_StarOfficePresentationImportFilter_get_implementation(<--- The function 'org_libreoffice_comp_Presentation_StarOfficePresentationImportFilter_get_implementation' is never used.
    css::uno::XComponentContext* const context, const css::uno::Sequence<css::uno::Any>&)
{
    return cppu::acquire(new StarOfficePresentationImportFilter(context));
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */