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