252 lines
9.6 KiB
C++
252 lines
9.6 KiB
C++
/*************************************************************************
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*
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* $RCSfile: embedtransfer.cxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: obo $ $Date: 2005-03-15 11:37:36 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef _COM_SUN_STAR_EMBED_XCOMPONENTSUPPLIER_HPP_
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#include <com/sun/star/embed/XComponentSupplier.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_EMBEDSTATES_HPP_
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#include <com/sun/star/embed/EmbedStates.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_XVISUALOBJECT_HPP_
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#include <com/sun/star/embed/XVisualObject.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_XEMBEDPERSIST_HPP_
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#include <com/sun/star/embed/XEmbedPersist.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_NOVISUALAREASIZEEXCEPTION_HPP_
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#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
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#endif
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#ifndef _COM_SUN_STAR_DATATRANSFER_XTRANSFERABLE_HPP_
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#include <com/sun/star/datatransfer/XTransferable.hpp>
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#endif
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#ifndef _COM_SUN_STAR_EMBED_ASPECTS_HPP_
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#include <com/sun/star/embed/Aspects.hpp>
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#endif
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#include <embedtransfer.hxx>
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#include <vcl/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 "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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: m_xObj( xObj )
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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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}
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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 );
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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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utl::TempFile aTmp;
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aTmp.EnableKillingFile( 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::OUString::createFromAscii("Dummy");
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SvStream* pStream = NULL;
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BOOL bDeleteStream = 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 = 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 ( 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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{
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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 object does *not* know its aspect! Per default we assume CONTENT
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rDesc.mnViewAspect = embed::Aspects::MSOLE_CONTENT;
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//TODO/LATER: status needs to become sal_Int64
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rDesc.mnOle2Misc = xObj->getStatus( rDesc.mnViewAspect );
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awt::Size aSz;
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try
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{
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aSz = xObj->getVisualAreaSize( rDesc.mnViewAspect );
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}
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catch( embed::NoVisualAreaSizeException& )
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{
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OSL_ENSURE( sal_False, "Can not get visual area size!\n" );
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aSz.Width = 5000;
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aSz.Height = 5000;
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}
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// TODO/LEAN: getMapUnit can switch object to running state
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MapUnit aMapUnit = VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( rDesc.mnViewAspect ) );
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rDesc.maSize = OutputDevice::LogicToLogic( Size( aSz.Width, aSz.Height ), aMapUnit, MAP_100TH_MM );
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rDesc.maDragStartPos = Point();
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rDesc.maDisplayName = String();
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rDesc.mbCanLink = FALSE;
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}
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