use more concrete types in chart2, BaseCoordinateSystem

Change-Id: I1c246a3ea37595647ac254f492170a9e18540794
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128623
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 4 insertions, 2 deletions

diff --git a/chart2/source/inc/AxisHelper.hxx b/chart2/source/inc/AxisHelper.hxx
index b16673f97fcb..abe9ee1e257e 100644
--- a/chart2/source/inc/AxisHelper.hxx
+++ b/chart2/source/inc/AxisHelper.hxx
@@ -20,6 +20,7 @@
 
 #include "charttoolsdllapi.hxx"
 #include <com/sun/star/chart2/ScaleData.hpp>
+#include <rtl/ref.hxx>
 
 #include <vector>
 
@@ -37,6 +38,7 @@ namespace com::sun::star::uno { class XComponentContext; }
 
 namespace chart
 {
+class BaseCoordinateSystem;
 
 class OOO_DLLPUBLIC_CHARTTOOLS AxisHelper
 {
@@ -105,12 +107,12 @@ public:
     static bool isAxisVisible( const css::uno::Reference< css::chart2::XAxis >& xAxis );
     static bool isGridVisible( const css::uno::Reference< css::beans::XPropertySet >& xGridProperties );
 
-    static css::uno::Reference< css::chart2::XCoordinateSystem >
+    static rtl::Reference< ::chart::BaseCoordinateSystem >
         getCoordinateSystemByIndex(
             const css::uno::Reference< css::chart2::XDiagram >& xDiagram
             , sal_Int32 nIndex );
 
-    static css::uno::Reference< css::chart2::XCoordinateSystem >
+    static rtl::Reference< ::chart::BaseCoordinateSystem >
         getCoordinateSystemOfAxis(
               const css::uno::Reference< css::chart2::XAxis >& xAxis
             , const css::uno::Reference< css::chart2::XDiagram >& xDiagram );