1*63bba73cSAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*63bba73cSAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*63bba73cSAndrew Rist * or more contributor license agreements. See the NOTICE file
5*63bba73cSAndrew Rist * distributed with this work for additional information
6*63bba73cSAndrew Rist * regarding copyright ownership. The ASF licenses this file
7*63bba73cSAndrew Rist * to you under the Apache License, Version 2.0 (the
8*63bba73cSAndrew Rist * "License"); you may not use this file except in compliance
9*63bba73cSAndrew Rist * with the License. You may obtain a copy of the License at
10*63bba73cSAndrew Rist *
11*63bba73cSAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*63bba73cSAndrew Rist *
13*63bba73cSAndrew Rist * Unless required by applicable law or agreed to in writing,
14*63bba73cSAndrew Rist * software distributed under the License is distributed on an
15*63bba73cSAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*63bba73cSAndrew Rist * KIND, either express or implied. See the License for the
17*63bba73cSAndrew Rist * specific language governing permissions and limitations
18*63bba73cSAndrew Rist * under the License.
19*63bba73cSAndrew Rist *
20*63bba73cSAndrew Rist *************************************************************/
21*63bba73cSAndrew Rist
22*63bba73cSAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
25cdf0e10cSrcweir #include "precompiled_xmloff.hxx"
26cdf0e10cSrcweir #include <com/sun/star/lang/XTypeProvider.hpp>
27cdf0e10cSrcweir #include <cppuhelper/weakref.hxx>
28cdf0e10cSrcweir
29cdf0e10cSrcweir #ifndef _XMLOFF_SINGLEPROPERTYSETINFOCACHE_HXX
30cdf0e10cSrcweir #include <xmloff/SinglePropertySetInfoCache.hxx>
31cdf0e10cSrcweir #endif
32cdf0e10cSrcweir
33cdf0e10cSrcweir using namespace ::com::sun::star::uno;
34cdf0e10cSrcweir using ::com::sun::star::lang::XTypeProvider;
35cdf0e10cSrcweir using ::com::sun::star::beans::XPropertySet;
36cdf0e10cSrcweir using ::com::sun::star::beans::XPropertySetInfo;
37cdf0e10cSrcweir
hasProperty(const Reference<XPropertySet> & rPropSet,Reference<XPropertySetInfo> & rPropSetInfo)38cdf0e10cSrcweir sal_Bool SinglePropertySetInfoCache::hasProperty(
39cdf0e10cSrcweir const Reference< XPropertySet >& rPropSet,
40cdf0e10cSrcweir Reference< XPropertySetInfo >& rPropSetInfo )
41cdf0e10cSrcweir {
42cdf0e10cSrcweir if( !rPropSetInfo.is() )
43cdf0e10cSrcweir rPropSetInfo = rPropSet->getPropertySetInfo();
44cdf0e10cSrcweir sal_Bool bRet = sal_False, bValid = sal_False;
45cdf0e10cSrcweir Reference < XTypeProvider > xTypeProv( rPropSet, UNO_QUERY );
46cdf0e10cSrcweir Sequence< sal_Int8 > aImplId;
47cdf0e10cSrcweir if( xTypeProv.is() )
48cdf0e10cSrcweir {
49cdf0e10cSrcweir aImplId = xTypeProv->getImplementationId();
50cdf0e10cSrcweir if( aImplId.getLength() == 16 )
51cdf0e10cSrcweir {
52cdf0e10cSrcweir // The key must not be created outside this block, because it
53cdf0e10cSrcweir // keeps a reference to the property set info.
54cdf0e10cSrcweir PropertySetInfoKey aKey( rPropSetInfo, aImplId );
55cdf0e10cSrcweir iterator aIter = find( aKey );
56cdf0e10cSrcweir if( aIter != end() )
57cdf0e10cSrcweir {
58cdf0e10cSrcweir bRet = (*aIter).second;
59cdf0e10cSrcweir bValid = sal_True;
60cdf0e10cSrcweir }
61cdf0e10cSrcweir }
62cdf0e10cSrcweir }
63cdf0e10cSrcweir if( !bValid )
64cdf0e10cSrcweir {
65cdf0e10cSrcweir bRet = rPropSetInfo->hasPropertyByName( sName );
66cdf0e10cSrcweir if( xTypeProv.is() && aImplId.getLength() == 16 )
67cdf0e10cSrcweir {
68cdf0e10cSrcweir // Check whether the property set info is destroyed if it is
69cdf0e10cSrcweir // assigned to a weak reference only. If it is destroyed, then
70cdf0e10cSrcweir // every instance of getPropertySetInfo returns a new object.
71cdf0e10cSrcweir // Such property set infos must not be cached.
72cdf0e10cSrcweir WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
73cdf0e10cSrcweir rPropSetInfo = 0;
74cdf0e10cSrcweir rPropSetInfo = xWeakInfo;
75cdf0e10cSrcweir if( rPropSetInfo.is() )
76cdf0e10cSrcweir {
77cdf0e10cSrcweir PropertySetInfoKey aKey( rPropSetInfo, aImplId );
78cdf0e10cSrcweir value_type aValue( aKey, bRet );
79cdf0e10cSrcweir insert( aValue );
80cdf0e10cSrcweir }
81cdf0e10cSrcweir }
82cdf0e10cSrcweir }
83cdf0e10cSrcweir
84cdf0e10cSrcweir return bRet;
85cdf0e10cSrcweir }
86