xmloff/source/style/SinglePropertySetInfoCache.cxx

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  28
  29 #include <cppuhelper/weakref.hxx>
  30
  31 #include <xmloff/SinglePropertySetInfoCache.hxx>
  32
  33 using namespace ::com::sun::star::uno;
  34 using ::com::sun::star::beans::XPropertySet;
  35 using ::com::sun::star::beans::XPropertySetInfo;
  36
  37 sal_Bool SinglePropertySetInfoCache::hasProperty(
  38         const Reference< XPropertySet >& rPropSet,
  39         Reference< XPropertySetInfo >& rPropSetInfo )
  40 {
  41     if( !rPropSetInfo.is() )
  42         rPropSetInfo = rPropSet->getPropertySetInfo();
  43     iterator aIter = find( rPropSetInfo );
  44     if( aIter != end() )
  45     {
  46         return aIter->second;
  47     }
  48     bool bRet = rPropSetInfo->hasPropertyByName( sName );
  49     // Check whether the property set info is destroyed if it is
  50     // assigned to a weak reference only. If it is destroyed, then
  51     // every instance of getPropertySetInfo returns a new object.
  52     // Such property set infos must not be cached.
  53     WeakReference < XPropertySetInfo > xWeakInfo( rPropSetInfo );
  54     rPropSetInfo = 0;
  55     rPropSetInfo = xWeakInfo;
  56     if( rPropSetInfo.is() )
  57     {
  58         value_type aValue( rPropSetInfo, bRet );
  59         insert( aValue );
  60     }
  61     return bRet;
  62 }
  63
  64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */