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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 <com/sun/star/lang/XTypeProvider.hpp>
#include <cppuhelper/weakref.hxx>
#include <xmloff/SinglePropertySetInfoCache.hxx>
using namespace ::com::sun::star::uno;
using ::com::sun::star::lang::XTypeProvider;
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::beans::XPropertySetInfo;
sal_Bool SinglePropertySetInfoCache::hasProperty(
const Reference< XPropertySet >& rPropSet,
Reference< XPropertySetInfo >& rPropSetInfo )
{
if( !rPropSetInfo.is() )
rPropSetInfo = rPropSet->getPropertySetInfo();
sal_Bool bRet = sal_False, bValid = sal_False;
Reference < XTypeProvider > xTypeProv( rPropSet, UNO_QUERY );
Sequence< sal_Int8 > aImplId;
if( xTypeProv.is() )
{
aImplId = xTypeProv->getImplementationId();
if( aImplId.getLength() == 16 )
{
// The key must not be created outside this block, because it
// keeps a reference to the property set info.
PropertySetInfoKey aKey( rPropSetInfo, aImplId );
iterator aIter = find( aKey );
if( aIter != end() )
{
bRet = (*aIter).second;
bValid = sal_True;
}
}
}
if( !bValid )
{
bRet = rPropSetInfo->hasPropertyByName( sName );
if( xTypeProv.is() && aImplId.getLength() == 16 )
{
// Check whether the property set info is destroyed if it is
// assigned to a weak reference only. If it is destroyed, then
// every instance of getPropertySetInfo returns a new object.
// Such property set infos must not be cached.
WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
rPropSetInfo = 0;
rPropSetInfo = xWeakInfo;
if( rPropSetInfo.is() )
{
PropertySetInfoKey aKey( rPropSetInfo, aImplId );
value_type aValue( aKey, bRet );
insert( aValue );
}
}
}
return bRet;
}
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