262 lines
10 KiB
C++
262 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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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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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 <sot/exchange.hxx>
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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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const 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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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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void SvEmbedTransferHelper::SetParentShellID( const OUString& rShellID )
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{
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maParentShellID = rShellID;
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}
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void SvEmbedTransferHelper::AddSupportedFormats()
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{
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AddFormat( SotClipboardFormatId::EMBED_SOURCE );
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AddFormat( SotClipboardFormatId::OBJECTDESCRIPTOR );
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AddFormat( SotClipboardFormatId::GDIMETAFILE );
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AddFormat( SotClipboardFormatId::BITMAP );
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}
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bool SvEmbedTransferHelper::GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc )
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{
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bool bRet = 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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SotClipboardFormatId nFormat = SotExchange::GetFormat( rFlavor );
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if( HasFormat( nFormat ) )
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{
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if( nFormat == SotClipboardFormatId::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 == SotClipboardFormatId::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( 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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OUString aName( "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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uno::Sequence<beans::PropertyValue> aObjArgs(2);
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aObjArgs[0].Name = "SourceShellID";
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aObjArgs[0].Value <<= maParentShellID;
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aObjArgs[1].Name = "DestinationShellID";
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aObjArgs[1].Value <<= rDestDoc;
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xPers->storeToEntry(xStg, aName, aEmpty, aObjArgs);
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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 ) ) )
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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 persistence?!
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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 == SotClipboardFormatId::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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const_cast<GDIMetaFile*>(&aMetaFile)->Write( aMemStm );
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uno::Any aAny;
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aAny <<= uno::Sequence< sal_Int8 >( static_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 = true;
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}
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else if ( ( nFormat == SotClipboardFormatId::BITMAP || nFormat == SotClipboardFormatId::PNG ) && m_pGraphic )
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{
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bRet = SetBitmapEx( m_pGraphic->GetBitmapEx(), rFlavor );
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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 = 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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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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const 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( SotClipboardFormatId::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.clear();
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rDesc.mbCanLink = false;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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