ddf32ef202
Change-Id: I644042d0ca6041174a8e11f780c546bcf7d4571a Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167282 Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk> Tested-by: Jenkins
426 lines
18 KiB
C++
426 lines
18 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/ElementModes.hpp>
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#include <com/sun/star/embed/EntryInitModes.hpp>
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#include <com/sun/star/embed/XEmbedObjectFactory.hpp>
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#include <com/sun/star/embed/OOoEmbeddedObjectFactory.hpp>
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#include <com/sun/star/embed/OLEEmbeddedObjectFactory.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/beans/XPropertySet.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/lang/NoSupportException.hpp>
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#include <com/sun/star/lang/XComponent.hpp>
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#include <cppuhelper/supportsservice.hxx>
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#include <cppuhelper/weak.hxx>
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#include <comphelper/documentconstants.hxx>
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#include <officecfg/Office/Common.hxx>
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#include <xcreator.hxx>
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#include <dummyobject.hxx>
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using namespace ::com::sun::star;
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitNew(
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const uno::Sequence< sal_Int8 >& aClassID,
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const OUString& aClassName,
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const uno::Reference< embed::XStorage >& xStorage,
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const OUString& sEntName,
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const uno::Sequence< beans::PropertyValue >& lObjArgs )
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{
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if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
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throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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3 );
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if ( sEntName.isEmpty() )
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throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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4 );
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OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
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if ( aEmbedFactory.isEmpty() )
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{
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// use system fallback
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// TODO: in future users factories can be tested
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aEmbedFactory = "com.sun.star.embed.OLEEmbeddedObjectFactory";
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}
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uno::Reference < uno::XInterface > xFact( m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext) );
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uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
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if ( xEmbCreator.is() )
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return xEmbCreator->createInstanceInitNew( aClassID, aClassName, xStorage, sEntName, lObjArgs );
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uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY_THROW );
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return xEmbFact->createInstanceUserInit( aClassID, aClassName, xStorage, sEntName, embed::EntryInitModes::TRUNCATE_INIT, uno::Sequence < beans::PropertyValue >(), lObjArgs);
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}
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromEntry(
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const uno::Reference< embed::XStorage >& xStorage,
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const OUString& sEntName,
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const uno::Sequence< beans::PropertyValue >& aMedDescr,
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const uno::Sequence< beans::PropertyValue >& lObjArgs )
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{
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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1 );
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if ( sEntName.isEmpty() )
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throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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2 );
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uno::Reference< container::XNameAccess > xNameAccess( xStorage, uno::UNO_QUERY_THROW );
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// detect entry existence
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if ( !xNameAccess->hasByName( sEntName ) )
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throw container::NoSuchElementException();
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OUString aMediaType;
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OUString aEmbedFactory;
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if ( xStorage->isStorageElement( sEntName ) )
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{
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// the object must be based on storage
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uno::Reference< embed::XStorage > xSubStorage =
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xStorage->openStorageElement( sEntName, embed::ElementModes::READ );
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uno::Reference< beans::XPropertySet > xPropSet( xSubStorage, uno::UNO_QUERY_THROW );
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try {
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uno::Any aAny = xPropSet->getPropertyValue(u"MediaType"_ustr);
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aAny >>= aMediaType;
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}
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catch ( const uno::Exception& )
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{
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}
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try {
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if ( xSubStorage.is() )
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xSubStorage->dispose();
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}
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catch ( const uno::Exception& )
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{
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}
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}
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else
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{
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// the object must be based on stream
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// it means for now that this is an OLE object
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// the object will be created as embedded object
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// after it is loaded it can detect that it is a link
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uno::Reference< io::XStream > xSubStream =
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xStorage->openStreamElement( sEntName, embed::ElementModes::READ );
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uno::Reference< beans::XPropertySet > xPropSet( xSubStream, uno::UNO_QUERY_THROW );
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try {
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uno::Any aAny = xPropSet->getPropertyValue(u"MediaType"_ustr);
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aAny >>= aMediaType;
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if ( aMediaType == "application/vnd.sun.star.oleobject" )
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aEmbedFactory = "com.sun.star.embed.OLEEmbeddedObjectFactory";
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}
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catch ( const uno::Exception& )
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{
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}
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try {
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uno::Reference< lang::XComponent > xComp( xSubStream, uno::UNO_QUERY );
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if ( xComp.is() )
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xComp->dispose();
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}
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catch ( const uno::Exception& )
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{
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}
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}
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OSL_ENSURE( !aMediaType.isEmpty(), "No media type is specified for the object!" );
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if ( !aMediaType.isEmpty() && aEmbedFactory.isEmpty() )
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{
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aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType( aMediaType );
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// If no factory is found, fall back to the FileFormatVersion=6200 filter, Base only has that.
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if (aEmbedFactory.isEmpty() && aMediaType == MIMETYPE_OASIS_OPENDOCUMENT_DATABASE_ASCII)
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aEmbedFactory = m_aConfigHelper.GetFactoryNameByMediaType(MIMETYPE_VND_SUN_XML_BASE_ASCII);
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}
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if ( !aEmbedFactory.isEmpty()
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// when active OLE content is disabled, ignore aEmbedFactory and force
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// the embedded object to be an ODummyEmbeddedObject
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&& !officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
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{
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uno::Reference< uno::XInterface > xFact = m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext);
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uno::Reference< embed::XEmbedObjectCreator > xEmbCreator( xFact, uno::UNO_QUERY );
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if ( xEmbCreator.is() )
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return xEmbCreator->createInstanceInitFromEntry( xStorage, sEntName, aMedDescr, lObjArgs );
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uno::Reference < embed::XEmbedObjectFactory > xEmbFact( xFact, uno::UNO_QUERY );
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if ( xEmbFact.is() )
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return xEmbFact->createInstanceUserInit( uno::Sequence< sal_Int8 >(), OUString(), xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs);
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}
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// the default object should be created, it will allow to store the contents on the next saving
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uno::Reference< uno::XInterface > xResult( static_cast< cppu::OWeakObject* >( new ODummyEmbeddedObject() ) );
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uno::Reference< embed::XEmbedPersist > xPersist( xResult, uno::UNO_QUERY_THROW );
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xPersist->setPersistentEntry( xStorage, sEntName, embed::EntryInitModes::DEFAULT_INIT, aMedDescr, lObjArgs );
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return xResult;
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}
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/**
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* Decides if rFilter should be used to load data into a doc model or real OLE embedding should
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* happen. Empty return value means the later.
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*/
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static OUString HandleFilter(const OUString& rFilter)
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{
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OUString aRet = rFilter;
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if (!officecfg::Office::Common::Filter::Microsoft::Import::WinWordToWriter::get())
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{
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if (rFilter == "MS Word 97" || rFilter == "MS Word 2007 XML")
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{
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aRet.clear();
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}
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}
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if (!officecfg::Office::Common::Filter::Microsoft::Import::ExcelToCalc::get())
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{
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if (rFilter == "MS Excel 97" || rFilter == "Calc MS Excel 2007 XML")
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{
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aRet.clear();
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}
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}
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if (!officecfg::Office::Common::Filter::Microsoft::Import::PowerPointToImpress::get())
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{
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if (rFilter == "MS PowerPoint 97" || rFilter == "Impress MS PowerPoint 2007 XML")
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{
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aRet.clear();
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}
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}
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if (!officecfg::Office::Common::Filter::Microsoft::Import::VisioToDraw::get())
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{
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if (rFilter == "Visio Document")
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{
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aRet.clear();
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}
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}
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if (!officecfg::Office::Common::Filter::Adobe::Import::PDFToDraw::get())
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{
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if (rFilter == "draw_pdf_import")
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{
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aRet.clear();
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}
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}
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return aRet;
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}
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceInitFromMediaDescriptor(
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const uno::Reference< embed::XStorage >& xStorage,
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const OUString& sEntName,
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const uno::Sequence< beans::PropertyValue >& aMediaDescr,
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const uno::Sequence< beans::PropertyValue >& lObjArgs )
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{
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if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
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throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);
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// TODO: use lObjArgs
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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1 );
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if ( sEntName.isEmpty() )
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throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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2 );
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uno::Reference< uno::XInterface > xResult;
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uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
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// check if there is FilterName
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OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, false );
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aFilterName = HandleFilter(aFilterName);
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if ( !aFilterName.isEmpty() )
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{
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// the object can be loaded by one of the office application
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uno::Reference< embed::XEmbeddedObjectCreator > xOOoEmbCreator =
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embed::OOoEmbeddedObjectFactory::create( m_xContext );
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xResult = xOOoEmbCreator->createInstanceInitFromMediaDescriptor( xStorage,
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sEntName,
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aTempMedDescr,
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lObjArgs );
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}
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else
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{
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// must be an OLE object
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// TODO: in future, when more object types are possible this place seems
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// to be a weak one, probably configuration must provide a type detection service
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// for every factory, so any file could go through services until it is recognized
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// or there is no more services
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// Or for example the typename can be used to detect object type if typedetection
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// was also extended.
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uno::Reference< embed::XEmbeddedObjectCreator > xOleEmbCreator =
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embed::OLEEmbeddedObjectFactory::create( m_xContext );
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xResult = xOleEmbCreator->createInstanceInitFromMediaDescriptor( xStorage, sEntName, aTempMedDescr, lObjArgs );
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}
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return xResult;
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}
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceUserInit(
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const uno::Sequence< sal_Int8 >& aClassID,
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const OUString& sClassName,
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const uno::Reference< embed::XStorage >& xStorage,
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const OUString& sEntName,
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sal_Int32 nEntryConnectionMode,
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const uno::Sequence< beans::PropertyValue >& aArgs,
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const uno::Sequence< beans::PropertyValue >& aObjectArgs )
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{
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if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
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throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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3 );
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if ( sEntName.isEmpty() )
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throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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4 );
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OUString aEmbedFactory = m_aConfigHelper.GetFactoryNameByClassID( aClassID );
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uno::Reference< embed::XEmbedObjectFactory > xEmbFactory(
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m_xContext->getServiceManager()->createInstanceWithContext(aEmbedFactory, m_xContext),
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uno::UNO_QUERY_THROW );
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return xEmbFactory->createInstanceUserInit( aClassID,
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sClassName,
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xStorage,
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sEntName,
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nEntryConnectionMode,
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aArgs,
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aObjectArgs );
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}
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uno::Reference< uno::XInterface > SAL_CALL UNOEmbeddedObjectCreator::createInstanceLink(
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const uno::Reference< embed::XStorage >& xStorage,
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const OUString& sEntName,
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const uno::Sequence< beans::PropertyValue >& aMediaDescr,
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const uno::Sequence< beans::PropertyValue >& lObjArgs )
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{
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if ( officecfg::Office::Common::Security::Scripting::DisableActiveContent::get() )
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throw lang::NoSupportException(u"Active OLE content is disabled!"_ustr);
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uno::Reference< uno::XInterface > xResult;
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uno::Sequence< beans::PropertyValue > aTempMedDescr( aMediaDescr );
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// check if there is URL, URL must exist
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OUString aURL;
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for (beans::PropertyValue const& prop : aTempMedDescr)
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if ( prop.Name == "URL" )
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prop.Value >>= aURL;
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if ( aURL.isEmpty() )
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throw lang::IllegalArgumentException( u"No URL for the link is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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3 );
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OUString aFilterName = m_aConfigHelper.UpdateMediaDescriptorWithFilterName( aTempMedDescr, false );
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if ( !aFilterName.isEmpty() )
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{
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// the object can be loaded by one of the office application
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uno::Reference< embed::XEmbeddedObjectCreator > xOOoLinkCreator =
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embed::OOoEmbeddedObjectFactory::create( m_xContext );
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xResult = xOOoLinkCreator->createInstanceLink( xStorage,
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sEntName,
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aTempMedDescr,
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lObjArgs );
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}
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else
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{
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// must be an OLE link
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// TODO: in future, when more object types are possible this place seems
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// to be a weak one, probably configuration must provide a type detection service
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// for every factory, so any file could go through services until it is recognized
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// or there is no more services
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// Or for example the typename can be used to detect object type if typedetection
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// was also extended.
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( u"No parent storage is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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3 );
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if ( sEntName.isEmpty() )
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throw lang::IllegalArgumentException( u"Empty element name is provided!"_ustr,
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static_cast< ::cppu::OWeakObject* >(this),
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4 );
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uno::Reference< embed::XEmbeddedObjectCreator > xLinkCreator =
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embed::OLEEmbeddedObjectFactory::create( m_xContext);
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xResult = xLinkCreator->createInstanceLink( xStorage, sEntName, aTempMedDescr, lObjArgs );
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}
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return xResult;
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}
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OUString SAL_CALL UNOEmbeddedObjectCreator::getImplementationName()
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{
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return u"com.sun.star.comp.embed.EmbeddedObjectCreator"_ustr;
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}
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sal_Bool SAL_CALL UNOEmbeddedObjectCreator::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService(this, ServiceName);
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}
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uno::Sequence< OUString > SAL_CALL UNOEmbeddedObjectCreator::getSupportedServiceNames()
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{
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return { u"com.sun.star.embed.EmbeddedObjectCreator"_ustr, u"com.sun.star.comp.embed.EmbeddedObjectCreator"_ustr };
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}
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extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
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embeddedobj_UNOEmbeddedObjectCreator_get_implementation(
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css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
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{
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return cppu::acquire(new UNOEmbeddedObjectCreator(context));
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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