256 lines
10 KiB
C++
256 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <com/sun/star/embed/XComponentSupplier.hpp>
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#include <com/sun/star/embed/EmbedStates.hpp>
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#include <com/sun/star/embed/XVisualObject.hpp>
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#include <com/sun/star/embed/XEmbedPersist.hpp>
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#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
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#include <com/sun/star/datatransfer/XTransferable.hpp>
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#include <com/sun/star/embed/Aspects.hpp>
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#include <svtools/embedtransfer.hxx>
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#include <tools/mapunit.hxx>
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#include <vcl/outdev.hxx>
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#include <comphelper/storagehelper.hxx>
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#include <unotools/ucbstreamhelper.hxx>
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#include <unotools/streamwrap.hxx>
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#include <unotools/tempfile.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#include <svtools/embedhlp.hxx>
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using namespace ::com::sun::star;
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SvEmbedTransferHelper::SvEmbedTransferHelper( const uno::Reference< embed::XEmbeddedObject >& xObj,
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Graphic* pGraphic,
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sal_Int64 nAspect )
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: m_xObj( xObj )
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, m_pGraphic( pGraphic ? new Graphic( *pGraphic ) : NULL )
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, m_nAspect( nAspect )
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{
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if( xObj.is() )
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{
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TransferableObjectDescriptor aObjDesc;
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FillTransferableObjectDescriptor( aObjDesc, m_xObj, NULL, m_nAspect );
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PrepareOLE( aObjDesc );
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}
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}
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// -----------------------------------------------------------------------------
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SvEmbedTransferHelper::~SvEmbedTransferHelper()
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{
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if ( m_pGraphic )
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{
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delete m_pGraphic;
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m_pGraphic = NULL;
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}
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}
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// -----------------------------------------------------------------------------
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void SvEmbedTransferHelper::AddSupportedFormats()
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{
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AddFormat( SOT_FORMATSTR_ID_EMBED_SOURCE );
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AddFormat( SOT_FORMATSTR_ID_OBJECTDESCRIPTOR );
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AddFormat( FORMAT_GDIMETAFILE );
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}
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// -----------------------------------------------------------------------------
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sal_Bool SvEmbedTransferHelper::GetData( const ::com::sun::star::datatransfer::DataFlavor& rFlavor )
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{
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sal_Bool bRet = sal_False;
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if( m_xObj.is() )
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{
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try
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{
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sal_uInt32 nFormat = SotExchange::GetFormat( rFlavor );
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if( HasFormat( nFormat ) )
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{
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if( nFormat == SOT_FORMATSTR_ID_OBJECTDESCRIPTOR )
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{
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TransferableObjectDescriptor aDesc;
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FillTransferableObjectDescriptor( aDesc, m_xObj, m_pGraphic, m_nAspect );
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bRet = SetTransferableObjectDescriptor( aDesc, rFlavor );
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}
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else if( nFormat == SOT_FORMATSTR_ID_EMBED_SOURCE )
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{
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try
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{
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// TODO/LATER: Propbably the graphic should be copied here as well
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// currently it is handled by the applications
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utl::TempFile aTmp;
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aTmp.EnableKillingFile( sal_True );
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uno::Reference < embed::XEmbedPersist > xPers( m_xObj, uno::UNO_QUERY );
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if ( xPers.is() )
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{
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uno::Reference < embed::XStorage > xStg = comphelper::OStorageHelper::GetTemporaryStorage();
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::rtl::OUString aName( RTL_CONSTASCII_USTRINGPARAM( "Dummy" ));
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SvStream* pStream = NULL;
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sal_Bool bDeleteStream = sal_False;
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uno::Sequence < beans::PropertyValue > aEmpty;
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xPers->storeToEntry( xStg, aName, aEmpty, aEmpty );
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if ( xStg->isStreamElement( aName ) )
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{
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uno::Reference < io::XStream > xStm = xStg->cloneStreamElement( aName );
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pStream = utl::UcbStreamHelper::CreateStream( xStm );
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bDeleteStream = sal_True;
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}
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else
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{
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pStream = aTmp.GetStream( STREAM_STD_READWRITE );
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uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetStorageFromStream( new utl::OStreamWrapper( *pStream ) );
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xStg->openStorageElement( aName, embed::ElementModes::READ )->copyToStorage( xStor );
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}
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::com::sun::star::uno::Any aAny;
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const sal_uInt32 nLen = pStream->Seek( STREAM_SEEK_TO_END );
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::com::sun::star::uno::Sequence< sal_Int8 > aSeq( nLen );
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pStream->Seek( STREAM_SEEK_TO_BEGIN );
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pStream->Read( aSeq.getArray(), nLen );
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if ( bDeleteStream )
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delete pStream;
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if( ( bRet = ( aSeq.getLength() > 0 ) ) == sal_True )
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{
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aAny <<= aSeq;
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SetAny( aAny, rFlavor );
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}
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}
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else
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{
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//TODO/LATER: how to handle objects without persistance?!
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}
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}
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catch ( uno::Exception& )
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{
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}
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}
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else if ( nFormat == FORMAT_GDIMETAFILE && m_pGraphic )
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{
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SvMemoryStream aMemStm( 65535, 65535 );
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aMemStm.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
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const GDIMetaFile& aMetaFile = m_pGraphic->GetGDIMetaFile();
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((GDIMetaFile*)(&aMetaFile))->Write( aMemStm );
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uno::Any aAny;
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aAny <<= uno::Sequence< sal_Int8 >( reinterpret_cast< const sal_Int8* >( aMemStm.GetData() ),
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aMemStm.Seek( STREAM_SEEK_TO_END ) );
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SetAny( aAny, rFlavor );
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bRet = sal_True;
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}
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else if ( m_xObj.is() && :: svt::EmbeddedObjectRef::TryRunningState( m_xObj ) )
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{
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uno::Reference< datatransfer::XTransferable > xTransferable( m_xObj->getComponent(), uno::UNO_QUERY );
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if ( xTransferable.is() )
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{
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uno::Any aAny = xTransferable->getTransferData( rFlavor );
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SetAny( aAny, rFlavor );
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bRet = sal_True;
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}
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}
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}
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}
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catch( uno::Exception& )
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{
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// Error handling?
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}
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}
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return bRet;
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}
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// -----------------------------------------------------------------------------
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void SvEmbedTransferHelper::ObjectReleased()
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{
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m_xObj = uno::Reference< embed::XEmbeddedObject >();
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}
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void SvEmbedTransferHelper::FillTransferableObjectDescriptor( TransferableObjectDescriptor& rDesc,
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const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XEmbeddedObject >& xObj,
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Graphic* pGraphic,
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sal_Int64 nAspect )
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{
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//TODO/LATER: need TypeName to fill it into the Descriptor (will be shown in listbox)
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::com::sun::star::datatransfer::DataFlavor aFlavor;
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SotExchange::GetFormatDataFlavor( SOT_FORMATSTR_ID_OBJECTDESCRIPTOR, aFlavor );
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rDesc.maClassName = SvGlobalName( xObj->getClassID() );
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rDesc.maTypeName = aFlavor.HumanPresentableName;
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//TODO/LATER: the aspect size in the descriptor is wrong, unfortunately the stream
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// representation of the descriptor allows only 4 bytes for the aspect
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// so for internal transport something different should be found
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rDesc.mnViewAspect = sal::static_int_cast<sal_uInt16>( nAspect );
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//TODO/LATER: status needs to become sal_Int64
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rDesc.mnOle2Misc = sal::static_int_cast<sal_Int32>(xObj->getStatus( rDesc.mnViewAspect ));
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Size aSize;
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MapMode aMapMode( MAP_100TH_MM );
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if ( nAspect == embed::Aspects::MSOLE_ICON )
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{
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if ( pGraphic )
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{
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aMapMode = pGraphic->GetPrefMapMode();
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aSize = pGraphic->GetPrefSize();
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}
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else
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aSize = Size( 2500, 2500 );
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}
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else
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{
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try
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{
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awt::Size aSz;
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aSz = xObj->getVisualAreaSize( rDesc.mnViewAspect );
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aSize = Size( aSz.Width, aSz.Height );
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}
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catch( embed::NoVisualAreaSizeException& )
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{
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OSL_FAIL( "Can not get visual area size!\n" );
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aSize = Size( 5000, 5000 );
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}
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// TODO/LEAN: getMapUnit can switch object to running state
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aMapMode = MapMode( VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( rDesc.mnViewAspect ) ) );
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}
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rDesc.maSize = OutputDevice::LogicToLogic( aSize, aMapMode, MapMode( MAP_100TH_MM ) );
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rDesc.maDragStartPos = Point();
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rDesc.maDisplayName = String();
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rDesc.mbCanLink = sal_False;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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