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Diffstat (limited to 'sd/source/ui/unoidl/sddetect.cxx')
| -rw-r--r-- | sd/source/ui/unoidl/sddetect.cxx | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/sd/source/ui/unoidl/sddetect.cxx b/sd/source/ui/unoidl/sddetect.cxx new file mode 100644 index 000000000..cfa50d141 --- /dev/null +++ b/sd/source/ui/unoidl/sddetect.cxx @@ -0,0 +1,160 @@ +/* -*- 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( u"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: */ |