Line data    Source code

       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          20 : bool SinglePropertySetInfoCache::hasProperty(
      28             :         const Reference< XPropertySet >& rPropSet,
      29             :         Reference< XPropertySetInfo >& rPropSetInfo )
      30             : {
      31          20 :     if( !rPropSetInfo.is() )
      32           1 :         rPropSetInfo = rPropSet->getPropertySetInfo();
      33          20 :     Map::iterator aIter = map_.find( rPropSetInfo );
      34          20 :     if( aIter != map_.end() )
      35             :     {
      36          17 :         return (*aIter).second;
      37             :     }
      38           3 :     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           3 :     WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
      44           3 :     rPropSetInfo = 0;
      45           3 :     rPropSetInfo = xWeakInfo;
      46           3 :     if( rPropSetInfo.is() )
      47             :     {
      48           3 :         map_.insert(Map::value_type(rPropSetInfo, bRet));
      49             :     }
      50           3 :     return bRet;
      51             : }
      52             : 
      53             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */