160 lines
5.7 KiB
C++
160 lines
5.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "sddetect.hxx"
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <com/sun/star/io/XInputStream.hpp>
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#include <com/sun/star/ucb/ContentCreationException.hpp>
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#include <com/sun/star/uno/XComponentContext.hpp>
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#include <vcl/graphicfilter.hxx>
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#include <sfx2/docfile.hxx>
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#include <sfx2/docfilt.hxx>
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#include <sfx2/fcontnr.hxx>
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#include <vcl/FilterConfigItem.hxx>
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#include <sot/storage.hxx>
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#include <unotools/mediadescriptor.hxx>
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::io;
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using namespace ::com::sun::star::task;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::lang;
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using utl::MediaDescriptor;
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SdFilterDetect::SdFilterDetect()
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{
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}
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SdFilterDetect::~SdFilterDetect()
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{
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}
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OUString SAL_CALL SdFilterDetect::detect( Sequence< beans::PropertyValue >& lDescriptor )
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{
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MediaDescriptor aMediaDesc( lDescriptor );
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OUString aTypeName = aMediaDesc.getUnpackedValueOrDefault( MediaDescriptor::PROP_TYPENAME, OUString() );
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uno::Reference< io::XInputStream > xInStream ( aMediaDesc[MediaDescriptor::PROP_INPUTSTREAM], uno::UNO_QUERY );
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if ( !xInStream.is() )
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return OUString();
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SfxMedium aMedium;
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aMedium.UseInteractionHandler( false );
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aMedium.setStreamToLoadFrom( xInStream, true );
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SvStream *pInStrm = aMedium.GetInStream();
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if ( !pInStrm || pInStrm->GetError() )
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return OUString();
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if ( aTypeName.startsWith( "impress_MS_PowerPoint_97" ) )
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{
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// Do not attempt to create an SotStorage on a
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// 0-length stream as that would create the compound
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// document header on the stream and effectively write to
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// disk!
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pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
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if ( pInStrm->remainingSize() == 0 )
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return OUString();
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try
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{
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rtl::Reference<SotStorage> aStorage = new SotStorage(pInStrm, false);
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if ( !aStorage->GetError() && aStorage->IsStream( u"PowerPoint Document"_ustr ) )
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return aTypeName;
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}
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catch (const css::ucb::ContentCreationException&)
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{
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}
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}
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else
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{
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pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
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const OUString aFileName( aMediaDesc.getUnpackedValueOrDefault( MediaDescriptor::PROP_URL, OUString() ) );
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GraphicDescriptor aDesc( *pInStrm, &aFileName );
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if( !aDesc.Detect() )
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{
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INetURLObject aCheckURL( aFileName );
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if( aCheckURL.getExtension().equalsIgnoreAsciiCase("cgm") )
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{
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sal_uInt8 n8;
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pInStrm->Seek( STREAM_SEEK_TO_BEGIN );
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pInStrm->ReadUChar( n8 );
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if ( ( n8 & 0xf0 ) == 0 )
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// we are supporting binary cgm format only, so
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// this is a small test to exclude cgm text
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return u"impress_CGM_Computer_Graphics_Metafile"_ustr;
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}
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}
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else
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{
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OUString aShortName( GraphicDescriptor::GetImportFormatShortName( aDesc.GetFileFormat() ) );
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GraphicFilter &rGrfFilter = GraphicFilter::GetGraphicFilter();
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const OUString aName( rGrfFilter.GetImportFormatTypeName( rGrfFilter.GetImportFormatNumberForShortName( aShortName ) ) );
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if ( aShortName.equalsIgnoreAsciiCase( "PCD" ) ) // there is a multiple pcd selection possible
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{
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sal_Int32 nBase = 2; // default Base0
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if ( aTypeName == "pcd_Photo_CD_Base4" )
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nBase = 1;
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else if ( aTypeName == "pcd_Photo_CD_Base16" )
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nBase = 0;
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FilterConfigItem aFilterConfigItem( u"Office.Common/Filter/Graphic/Import/PCD" );
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aFilterConfigItem.WriteInt32( u"Resolution"_ustr , nBase );
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}
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SfxFilterMatcher aMatch(u"sdraw"_ustr);
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std::shared_ptr<const SfxFilter> pFilter = aMatch.GetFilter4FilterName( aName );
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if ( pFilter )
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return pFilter->GetRealTypeName();
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}
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}
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return OUString();
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}
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// XServiceInfo
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OUString SAL_CALL SdFilterDetect::getImplementationName()
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{
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return u"com.sun.star.comp.draw.FormatDetector"_ustr;
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}
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// XServiceInfo
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sal_Bool SAL_CALL SdFilterDetect::supportsService( const OUString& sServiceName )
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{
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return cppu::supportsService(this, sServiceName);
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}
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// XServiceInfo
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Sequence< OUString > SAL_CALL SdFilterDetect::getSupportedServiceNames()
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{
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return { u"com.sun.star.frame.ExtendedTypeDetection"_ustr };
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}
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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com_sun_star_comp_draw_FormatDetector_get_implementation(css::uno::XComponentContext*,
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css::uno::Sequence<css::uno::Any> const &)
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{
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return cppu::acquire(new SdFilterDetect());
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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