chart49: #i113103# use corrected double-checked locking pattern for default properties

1 files changed, 24 insertions, 24 deletions

diff --git a/chart2/source/model/template/ScatterChartType.cxx b/chart2/source/model/template/ScatterChartType.cxx
index 571784928f04..7952e69497b5 100755
--- a/chart2/source/model/template/ScatterChartType.cxx
+++ b/chart2/source/model/template/ScatterChartType.cxx
@@ -82,16 +82,29 @@ void lcl_AddPropertiesToVector(
                   | beans::PropertyAttribute::MAYBEDEFAULT ));
 }
 
-void lcl_AddDefaultsToMap(
-    ::chart::tPropertyValueMap & rOutMap )
+struct StaticScatterChartTypeDefaults_Initializer
 {
-    ::chart::PropertyHelper::setPropertyValueDefault( rOutMap, PROP_SCATTERCHARTTYPE_CURVE_STYLE, chart2::CurveStyle_LINES );
-    ::chart::PropertyHelper::setPropertyValueDefault< sal_Int32 >( rOutMap, PROP_SCATTERCHARTTYPE_CURVE_RESOLUTION, 20 );
+    ::chart::tPropertyValueMap* operator()()
+    {
+        static ::chart::tPropertyValueMap aStaticDefaults;
+        lcl_AddDefaultsToMap( aStaticDefaults );
+        return &aStaticDefaults;
+    }
+private:
+    void lcl_AddDefaultsToMap( ::chart::tPropertyValueMap & rOutMap )
+    {
+        ::chart::PropertyHelper::setPropertyValueDefault( rOutMap, PROP_SCATTERCHARTTYPE_CURVE_STYLE, chart2::CurveStyle_LINES );
+        ::chart::PropertyHelper::setPropertyValueDefault< sal_Int32 >( rOutMap, PROP_SCATTERCHARTTYPE_CURVE_RESOLUTION, 20 );
 
-    // todo: check whether order 3 means polygons of order 3 or 2. (see
-    // http://www.people.nnov.ru/fractal/Splines/Basis.htm )
-    ::chart::PropertyHelper::setPropertyValueDefault< sal_Int32 >( rOutMap, PROP_SCATTERCHARTTYPE_SPLINE_ORDER, 3 );
-}
+        // todo: check whether order 3 means polygons of order 3 or 2. (see
+        // http://www.people.nnov.ru/fractal/Splines/Basis.htm )
+        ::chart::PropertyHelper::setPropertyValueDefault< sal_Int32 >( rOutMap, PROP_SCATTERCHARTTYPE_SPLINE_ORDER, 3 );
+    }
+};
+
+struct StaticScatterChartTypeDefaults : public rtl::StaticAggregate< ::chart::tPropertyValueMap, StaticScatterChartTypeDefaults_Initializer >
+{
+};
 
 struct StaticScatterChartTypeInfoHelper_Initializer
 {
@@ -248,24 +261,11 @@ uno::Sequence< ::rtl::OUString > SAL_CALL ScatterChartType::getSupportedOptional
 uno::Any ScatterChartType::GetDefaultValue( sal_Int32 nHandle ) const
     throw(beans::UnknownPropertyException)
 {
-    static tPropertyValueMap aStaticDefaults;
-
-    // /--
-    ::osl::MutexGuard aGuard( ::osl::Mutex::getGlobalMutex() );
-    if( 0 == aStaticDefaults.size() )
-    {
-        // initialize defaults
-        lcl_AddDefaultsToMap( aStaticDefaults );
-    }
-
-    tPropertyValueMap::const_iterator aFound(
-        aStaticDefaults.find( nHandle ));
-
-    if( aFound == aStaticDefaults.end())
+    const tPropertyValueMap& rStaticDefaults = *StaticScatterChartTypeDefaults::get();
+    tPropertyValueMap::const_iterator aFound( rStaticDefaults.find( nHandle ) );
+    if( aFound == rStaticDefaults.end() )
         return uno::Any();
-
     return (*aFound).second;
-    // \--
 }
 
 // ____ OPropertySet ____