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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <cppuhelper/weakref.hxx>
21 : #include <xmloff/SinglePropertySetInfoCache.hxx>
22 :
23 : using namespace ::com::sun::star::uno;
24 : using ::com::sun::star::beans::XPropertySet;
25 : using ::com::sun::star::beans::XPropertySetInfo;
26 :
27 0 : bool SinglePropertySetInfoCache::hasProperty(
28 : const Reference< XPropertySet >& rPropSet,
29 : Reference< XPropertySetInfo >& rPropSetInfo )
30 : {
31 0 : if( !rPropSetInfo.is() )
32 0 : rPropSetInfo = rPropSet->getPropertySetInfo();
33 0 : Map::iterator aIter = map_.find( rPropSetInfo );
34 0 : if( aIter != map_.end() )
35 : {
36 0 : return (*aIter).second;
37 : }
38 0 : bool bRet = rPropSetInfo->hasPropertyByName( sName );
39 : // Check whether the property set info is destroyed if it is assigned to a
40 : // weak reference only; if it is destroyed, then every instance of
41 : // getPropertySetInfo returns a new object; Such property set infos must not
42 : // be cached:
43 0 : WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
44 0 : rPropSetInfo = 0;
45 0 : rPropSetInfo = xWeakInfo;
46 0 : if( rPropSetInfo.is() )
47 : {
48 0 : map_.insert(Map::value_type(rPropSetInfo, bRet));
49 : }
50 0 : return bRet;
51 : }
52 :
53 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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