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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 <oox/ole/oleobjecthelper.hxx>
#include <com/sun/star/awt/Rectangle.hpp>
#include <com/sun/star/awt/Size.hpp>
#include <com/sun/star/beans/PropertyValue.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/container/XNameAccess.hpp>
#include <com/sun/star/document/XEmbeddedObjectResolver.hpp>
#include <com/sun/star/embed/Aspects.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <osl/diagnose.h>
#include <comphelper/propertyvalue.hxx>
#include <comphelper/sequenceashashmap.hxx>
#include <oox/helper/propertymap.hxx>
#include <oox/token/properties.hxx>
#include <utility>
namespace oox::ole {
using namespace ::com::sun::star;
using namespace ::com::sun::star::container;
using namespace ::com::sun::star::embed;
using namespace ::com::sun::star::io;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
OleObjectInfo::OleObjectInfo() :
mbLinked( false ),
mbShowAsIcon( false ),
mbAutoUpdate( false ),
mbHasPicture( false )
{
}
const char g_aEmbeddedObjScheme[] = "vnd.sun.star.EmbeddedObject:";
OleObjectHelper::OleObjectHelper(
const Reference< XMultiServiceFactory >& rxModelFactory,
uno::Reference<frame::XModel> xModel)
: m_xModel(std::move(xModel))
, mnObjectId( 100 )
{
assert(m_xModel.is());
if( rxModelFactory.is() ) try
{
mxResolver.set( rxModelFactory->createInstance( "com.sun.star.document.ImportEmbeddedObjectResolver" ), UNO_QUERY );
}
catch(const Exception& )
{
}
}
OleObjectHelper::~OleObjectHelper()
{
try
{
Reference< XComponent > xResolverComp( mxResolver, UNO_QUERY_THROW );
xResolverComp->dispose();
}
catch(const Exception& )
{
}
}
// TODO: this is probably a sub-optimal approach: ideally the media type
// of the stream from [Content_Types].xml should be stored somewhere for this
// purpose, but currently the media type of all OLE streams in the storage is
// just "application/vnd.sun.star.oleobject"
void SaveInteropProperties(uno::Reference<frame::XModel> const& xModel,
OUString const& rObjectName, OUString const*const pOldObjectName,
OUString const& rProgId)
{
static constexpr OUString sEmbeddingsPropName = u"EmbeddedObjects"_ustr;
// get interop grab bag from document
uno::Reference<beans::XPropertySet> const xDocProps(xModel, uno::UNO_QUERY);
comphelper::SequenceAsHashMap aGrabBag(xDocProps->getPropertyValue("InteropGrabBag"));
// get EmbeddedObjects property inside grab bag
comphelper::SequenceAsHashMap objectsList;
auto grabIt = aGrabBag.find(sEmbeddingsPropName);
if (grabIt != aGrabBag.end())
objectsList << grabIt->second;
uno::Sequence< beans::PropertyValue > aGrabBagAttribute{ comphelper::makePropertyValue("ProgID",
rProgId) };
// If we got an "old name", erase that first.
if (pOldObjectName)
{
comphelper::SequenceAsHashMap::iterator it = objectsList.find(*pOldObjectName);
if (it != objectsList.end())
objectsList.erase(it);
}
objectsList[rObjectName] <<= aGrabBagAttribute;
// put objects list back into the grab bag
aGrabBag[sEmbeddingsPropName] <<= objectsList.getAsConstPropertyValueList();
// put grab bag back into the document
xDocProps->setPropertyValue("InteropGrabBag", uno::Any(aGrabBag.getAsConstPropertyValueList()));
}
bool OleObjectHelper::importOleObject( PropertyMap& rPropMap, const OleObjectInfo& rOleObject, const awt::Size& rObjSize )
{
bool bRet = false;
if( rOleObject.mbLinked )
{
// linked OLE object - set target URL
if( !rOleObject.maTargetLink.isEmpty() )
{
rPropMap.setProperty( PROP_LinkURL, rOleObject.maTargetLink);
bRet = true;
}
}
else
{
// embedded OLE object - import the embedded data
if( rOleObject.maEmbeddedData.hasElements() && mxResolver.is() ) try
{
OUString aObjectId = "Obj" + OUString::number( mnObjectId++ );
Reference< XNameAccess > xResolverNA( mxResolver, UNO_QUERY_THROW );
Reference< XOutputStream > xOutStrm( xResolverNA->getByName( aObjectId ), UNO_QUERY_THROW );
xOutStrm->writeBytes( rOleObject.maEmbeddedData );
xOutStrm->closeOutput();
SaveInteropProperties(m_xModel, aObjectId, nullptr, rOleObject.maProgId);
OUString aUrl = mxResolver->resolveEmbeddedObjectURL( aObjectId );
OSL_ENSURE( aUrl.match( g_aEmbeddedObjScheme ), "OleObjectHelper::importOleObject - unexpected URL scheme" );
OUString aPersistName = aUrl.copy( strlen(g_aEmbeddedObjScheme) );
if( !aPersistName.isEmpty() )
{
rPropMap.setProperty( PROP_PersistName, aPersistName);
bRet = true;
}
}
catch(const Exception& )
{
}
}
if( bRet )
{
rPropMap.setProperty( PROP_Aspect, (rOleObject.mbShowAsIcon ? Aspects::MSOLE_ICON : Aspects::MSOLE_CONTENT));
rPropMap.setProperty( PROP_VisualArea, awt::Rectangle( 0, 0, rObjSize.Width, rObjSize.Height ));
}
return bRet;
}
} // namespace oox::ole
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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