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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( 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: */