6f4f5677ac
The only effect SAL_CALL effectively has on LO-internal code is to change non-
static member functions from __thiscall to __cdecl in MSVC (where all other
functions are __cdecl by default, anyway). (For 3rd-party code, it could be
argued that SAL_CALL is useful on function declarations in the URE stable
interface other than non-static member functions, too, in case 3rd-party code
uses a compiler switch to change the default calling convention to something
other than __cdecl. But loplugin:salcall exempts the URE stable interface,
anyway.)
One could argue that SAL_CALL, even if today it effectively only affects non-
static member functions in MSVC, could be extended in the future to affect more
functions on more platforms. However, the current code would already not
support that. For example, 3af500580b
"loplugin:salcall fix functions" changed FrameControl_createInstance in
UnoControls/source/base/registercontrols.cxx to no longer be SAL_CALL, even
though its address (in ctl_component_getFacrory, in the same file) is passed to
cppuhelper::createSingleFactory as an argument of type
cppu::ComponentInstantiation, which is a pointer to SAL_CALL function.
Change-Id: I3acbf7314a3d7868ed70e35bb5c47bc11a0b7ff6
Reviewed-on: https://gerrit.libreoffice.org/46436
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
382 lines
16 KiB
C++
382 lines
16 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/embed/XLinkFactory.hpp>
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#include <com/sun/star/document/XTypeDetection.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/XComponent.hpp>
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#include <comphelper/processfactory.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <comphelper/documentconstants.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::Sequence< OUString > UNOEmbeddedObjectCreator::impl_staticGetSupportedServiceNames()
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{
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uno::Sequence< OUString > aRet(2);
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aRet[0] = "com.sun.star.embed.EmbeddedObjectCreator";
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aRet[1] = "com.sun.star.comp.embed.EmbeddedObjectCreator";
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return aRet;
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}
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OUString UNOEmbeddedObjectCreator::impl_staticGetImplementationName()
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{
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return OUString("com.sun.star.comp.embed.EmbeddedObjectCreator");
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}
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uno::Reference< uno::XInterface > UNOEmbeddedObjectCreator::impl_staticCreateSelfInstance(
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const uno::Reference< lang::XMultiServiceFactory >& xServiceManager )
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{
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return uno::Reference< uno::XInterface >( *new UNOEmbeddedObjectCreator( comphelper::getComponentContext(xServiceManager) ) );
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}
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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 ( !xStorage.is() )
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throw lang::IllegalArgumentException( "No parent storage is provided!",
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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( "Empty element name is provided!",
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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( "No parent storage is provided!",
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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( "Empty element name is provided!",
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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("MediaType");
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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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uno::Reference< lang::XComponent > xComp( xSubStorage, 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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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("MediaType");
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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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{
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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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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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// TODO: use lObjArgs
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if ( !xStorage.is() )
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throw lang::IllegalArgumentException( "No parent storage is provided!",
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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( "Empty element name is provided!",
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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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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 ( !xStorage.is() )
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throw lang::IllegalArgumentException( "No parent storage is provided!",
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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( "Empty element name is provided!",
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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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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 ( sal_Int32 nInd = 0; nInd < aTempMedDescr.getLength(); nInd++ )
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if ( aTempMedDescr[nInd].Name == "URL" )
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aTempMedDescr[nInd].Value >>= aURL;
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if ( aURL.isEmpty() )
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throw lang::IllegalArgumentException( "No URL for the link is provided!",
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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( "No parent storage is provided!",
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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( "Empty element name is provided!",
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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 impl_staticGetImplementationName();
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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 impl_staticGetSupportedServiceNames();
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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