250 lines
9.7 KiB
C++
250 lines
9.7 KiB
C++
/* -*- 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 <com/sun/star/embed/XEmbeddedObject.hpp>
|
|
#include <com/sun/star/embed/XEmbedPersist.hpp>
|
|
#include <com/sun/star/embed/NoVisualAreaSizeException.hpp>
|
|
#include <com/sun/star/datatransfer/XTransferable.hpp>
|
|
#include <com/sun/star/embed/Aspects.hpp>
|
|
#include <osl/diagnose.h>
|
|
#include <sot/exchange.hxx>
|
|
#include <svtools/embedtransfer.hxx>
|
|
#include <tools/mapunit.hxx>
|
|
#include <vcl/outdev.hxx>
|
|
#include <vcl/filter/SvmWriter.hxx>
|
|
#include <vcl/gdimtf.hxx>
|
|
#include <comphelper/fileformat.h>
|
|
#include <comphelper/propertysequence.hxx>
|
|
#include <comphelper/storagehelper.hxx>
|
|
#include <unotools/ucbstreamhelper.hxx>
|
|
#include <unotools/streamwrap.hxx>
|
|
#include <unotools/tempfile.hxx>
|
|
#include <toolkit/helper/vclunohelper.hxx>
|
|
|
|
#include <svtools/embedhlp.hxx>
|
|
|
|
using namespace ::com::sun::star;
|
|
|
|
SvEmbedTransferHelper::SvEmbedTransferHelper( const uno::Reference< embed::XEmbeddedObject >& xObj,
|
|
const Graphic* pGraphic,
|
|
sal_Int64 nAspect )
|
|
: m_xObj( xObj )
|
|
, m_nAspect( nAspect )
|
|
{
|
|
if (pGraphic)
|
|
m_oGraphic.emplace(*pGraphic);
|
|
if( xObj.is() )
|
|
{
|
|
TransferableObjectDescriptor aObjDesc;
|
|
|
|
FillTransferableObjectDescriptor( aObjDesc, m_xObj, nullptr, m_nAspect );
|
|
PrepareOLE( aObjDesc );
|
|
}
|
|
}
|
|
|
|
|
|
SvEmbedTransferHelper::~SvEmbedTransferHelper()
|
|
{
|
|
}
|
|
|
|
void SvEmbedTransferHelper::SetParentShellID( const OUString& rShellID )
|
|
{
|
|
maParentShellID = rShellID;
|
|
}
|
|
|
|
|
|
void SvEmbedTransferHelper::AddSupportedFormats()
|
|
{
|
|
AddFormat( SotClipboardFormatId::EMBED_SOURCE );
|
|
AddFormat( SotClipboardFormatId::OBJECTDESCRIPTOR );
|
|
AddFormat( SotClipboardFormatId::GDIMETAFILE );
|
|
AddFormat( SotClipboardFormatId::BITMAP );
|
|
}
|
|
|
|
|
|
bool SvEmbedTransferHelper::GetData( const css::datatransfer::DataFlavor& rFlavor, const OUString& rDestDoc )
|
|
{
|
|
bool bRet = false;
|
|
|
|
if( m_xObj.is() )
|
|
{
|
|
try
|
|
{
|
|
SotClipboardFormatId nFormat = SotExchange::GetFormat( rFlavor );
|
|
if( HasFormat( nFormat ) )
|
|
{
|
|
if( nFormat == SotClipboardFormatId::OBJECTDESCRIPTOR )
|
|
{
|
|
TransferableObjectDescriptor aDesc;
|
|
FillTransferableObjectDescriptor( aDesc, m_xObj, m_oGraphic ? &*m_oGraphic : nullptr, m_nAspect );
|
|
bRet = SetTransferableObjectDescriptor( aDesc );
|
|
}
|
|
else if( nFormat == SotClipboardFormatId::EMBED_SOURCE )
|
|
{
|
|
try
|
|
{
|
|
// TODO/LATER: Probably the graphic should be copied here as well
|
|
// currently it is handled by the applications
|
|
utl::TempFileFast aTmp;
|
|
uno::Reference < embed::XEmbedPersist > xPers( m_xObj, uno::UNO_QUERY );
|
|
if ( xPers.is() )
|
|
{
|
|
uno::Reference < embed::XStorage > xStg = comphelper::OStorageHelper::GetTemporaryStorage();
|
|
OUString aName( u"Dummy"_ustr );
|
|
SvStream* pStream = nullptr;
|
|
bool bDeleteStream = false;
|
|
uno::Sequence < beans::PropertyValue > aEmpty;
|
|
uno::Sequence<beans::PropertyValue> aObjArgs( comphelper::InitPropertySequence({
|
|
{ "SourceShellID", uno::Any(maParentShellID) },
|
|
{ "DestinationShellID", uno::Any(rDestDoc) }
|
|
}));
|
|
xPers->storeToEntry(xStg, aName, aEmpty, aObjArgs);
|
|
if ( xStg->isStreamElement( aName ) )
|
|
{
|
|
uno::Reference < io::XStream > xStm = xStg->cloneStreamElement( aName );
|
|
pStream = utl::UcbStreamHelper::CreateStream( xStm ).release();
|
|
bDeleteStream = true;
|
|
}
|
|
else
|
|
{
|
|
pStream = aTmp.GetStream( StreamMode::STD_READWRITE );
|
|
uno::Reference < embed::XStorage > xStor = comphelper::OStorageHelper::GetStorageFromStream( new utl::OStreamWrapper( *pStream ) );
|
|
xStg->openStorageElement( aName, embed::ElementModes::READ )->copyToStorage( xStor );
|
|
}
|
|
|
|
const sal_uInt32 nLen = pStream->TellEnd();
|
|
css::uno::Sequence< sal_Int8 > aSeq( nLen );
|
|
|
|
pStream->Seek( STREAM_SEEK_TO_BEGIN );
|
|
pStream->ReadBytes(aSeq.getArray(), nLen);
|
|
if ( bDeleteStream )
|
|
delete pStream;
|
|
|
|
bRet = aSeq.hasElements();
|
|
if( bRet )
|
|
{
|
|
SetAny( uno::Any(aSeq) );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//TODO/LATER: how to handle objects without persistence?!
|
|
}
|
|
}
|
|
catch ( uno::Exception& )
|
|
{
|
|
}
|
|
}
|
|
else if ( nFormat == SotClipboardFormatId::GDIMETAFILE && m_oGraphic )
|
|
{
|
|
SvMemoryStream aMemStm( 65535, 65535 );
|
|
aMemStm.SetVersion( SOFFICE_FILEFORMAT_CURRENT );
|
|
|
|
const GDIMetaFile& aMetaFile = m_oGraphic->GetGDIMetaFile();
|
|
SvmWriter aWriter( aMemStm );
|
|
aWriter.Write( aMetaFile );
|
|
uno::Any aAny;
|
|
aAny <<= uno::Sequence< sal_Int8 >( static_cast< const sal_Int8* >( aMemStm.GetData() ),
|
|
aMemStm.TellEnd() );
|
|
SetAny( aAny );
|
|
bRet = true;
|
|
}
|
|
else if ( ( nFormat == SotClipboardFormatId::BITMAP || nFormat == SotClipboardFormatId::PNG ) && m_oGraphic )
|
|
{
|
|
bRet = SetBitmapEx( m_oGraphic->GetBitmapEx(), rFlavor );
|
|
}
|
|
else if ( m_xObj.is() && ::svt::EmbeddedObjectRef::TryRunningState( m_xObj ) )
|
|
{
|
|
uno::Reference< datatransfer::XTransferable > xTransferable( m_xObj->getComponent(), uno::UNO_QUERY );
|
|
if ( xTransferable.is() )
|
|
{
|
|
uno::Any aAny = xTransferable->getTransferData( rFlavor );
|
|
SetAny( aAny );
|
|
bRet = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch( uno::Exception& )
|
|
{
|
|
// Error handling?
|
|
}
|
|
}
|
|
|
|
return bRet;
|
|
}
|
|
|
|
|
|
void SvEmbedTransferHelper::ObjectReleased()
|
|
{
|
|
m_xObj.clear();
|
|
}
|
|
|
|
void SvEmbedTransferHelper::FillTransferableObjectDescriptor( TransferableObjectDescriptor& rDesc,
|
|
const css::uno::Reference< css::embed::XEmbeddedObject >& xObj,
|
|
const Graphic* pGraphic,
|
|
sal_Int64 nAspect )
|
|
{
|
|
//TODO/LATER: need TypeName to fill it into the Descriptor (will be shown in listbox)
|
|
css::datatransfer::DataFlavor aFlavor;
|
|
SotExchange::GetFormatDataFlavor( SotClipboardFormatId::OBJECTDESCRIPTOR, aFlavor );
|
|
|
|
rDesc.maClassName = SvGlobalName( xObj->getClassID() );
|
|
rDesc.maTypeName = aFlavor.HumanPresentableName;
|
|
|
|
//TODO/LATER: the aspect size in the descriptor is wrong, unfortunately the stream
|
|
// representation of the descriptor allows only 4 bytes for the aspect
|
|
// so for internal transport something different should be found
|
|
rDesc.mnViewAspect = sal::static_int_cast<sal_uInt16>( nAspect );
|
|
|
|
Size aSize;
|
|
MapMode aMapMode( MapUnit::Map100thMM );
|
|
if ( nAspect == embed::Aspects::MSOLE_ICON )
|
|
{
|
|
if ( pGraphic )
|
|
{
|
|
aMapMode = pGraphic->GetPrefMapMode();
|
|
aSize = pGraphic->GetPrefSize();
|
|
}
|
|
else
|
|
aSize = Size( 2500, 2500 );
|
|
}
|
|
else
|
|
{
|
|
try
|
|
{
|
|
awt::Size aSz = xObj->getVisualAreaSize( rDesc.mnViewAspect );
|
|
aSize = Size( aSz.Width, aSz.Height );
|
|
}
|
|
catch( embed::NoVisualAreaSizeException& )
|
|
{
|
|
OSL_FAIL( "Can not get visual area size!" );
|
|
aSize = Size( 5000, 5000 );
|
|
}
|
|
|
|
// TODO/LEAN: getMapUnit can switch object to running state
|
|
aMapMode = MapMode( VCLUnoHelper::UnoEmbed2VCLMapUnit( xObj->getMapUnit( rDesc.mnViewAspect ) ) );
|
|
}
|
|
|
|
rDesc.maSize = OutputDevice::LogicToLogic( aSize, aMapMode, MapMode( MapUnit::Map100thMM ) );
|
|
rDesc.maDragStartPos = Point();
|
|
rDesc.maDisplayName.clear();
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|