remove unused uno::Reference vars

found by temporarily marking Reference as SAL_WARN_UNUSED.

Change-Id: I18809b62654467f890016adcc92576980ced393b
Reviewed-on: https://gerrit.libreoffice.org/37511
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

12 files changed, 11 insertions, 31 deletions

diff --git a/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx b/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx
index abc07cf85942..3d4f789169d7 100644
--- a/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx
+++ b/chart2/source/controller/chartapiwrapper/ChartDocumentWrapper.cxx
@@ -687,7 +687,6 @@ Reference< drawing::XShape > SAL_CALL ChartDocumentWrapper::getLegend()
     if( ! m_xLegend.is())
     {
         m_xLegend = new LegendWrapper( m_spChart2ModelContact );
-        Reference< lang::XComponent > xComp( m_xLegend, uno::UNO_QUERY );
     }
 
     return m_xLegend;
@@ -698,7 +697,6 @@ Reference< beans::XPropertySet > SAL_CALL ChartDocumentWrapper::getArea()
     if( ! m_xArea.is())
     {
         m_xArea.set( new AreaWrapper( m_spChart2ModelContact ) );
-        Reference< lang::XComponent > xComp( m_xArea, uno::UNO_QUERY );
     }
 
     return m_xArea;
diff --git a/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx b/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
index b62f1705acd4..c1614607ef00 100644
--- a/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
+++ b/chart2/source/controller/chartapiwrapper/DiagramWrapper.cxx
@@ -687,8 +687,6 @@ Reference<
         throw lang::IndexOutOfBoundsException("DataSeries index invalid",
                                               static_cast< ::cppu::OWeakObject * >( this ));
 
-    Reference< chart2::XDataSeries > xSeries;
-
     sal_Int32 nNewAPIIndex = lcl_getNewAPIIndexForOldAPIIndex( nRow, m_spChart2ModelContact->getChart2Diagram() );
     if( nNewAPIIndex < 0 )
         throw lang::IndexOutOfBoundsException("DataSeries index invalid",
@@ -706,8 +704,6 @@ Reference<
         throw lang::IndexOutOfBoundsException("DataSeries index invalid",
                                               static_cast< ::cppu::OWeakObject * >( this ));
 
-    Reference< chart2::XDataSeries > xSeries;
-
     sal_Int32 nNewAPIIndex = lcl_getNewAPIIndexForOldAPIIndex( nRow, m_spChart2ModelContact->getChart2Diagram() );
     if( nNewAPIIndex < 0 )
         throw lang::IndexOutOfBoundsException("DataSeries index invalid",
diff --git a/chart2/source/controller/main/ChartController_EditData.cxx b/chart2/source/controller/main/ChartController_EditData.cxx
index 646a27a35cb1..fdff4e769147 100644
--- a/chart2/source/controller/main/ChartController_EditData.cxx
+++ b/chart2/source/controller/main/ChartController_EditData.cxx
@@ -45,18 +45,14 @@ void ChartController::executeDispatch_EditData()
     Reference< chart2::XChartDocument > xChartDoc( getModel(), uno::UNO_QUERY );
     if( xChartDoc.is())
     {
-        Reference< css::chart2::data::XDataProvider > xDataProvider( xChartDoc->getDataProvider());
-
-        {
-            SolarMutexGuard aSolarGuard;
-            UndoLiveUpdateGuardWithData aUndoGuard(
-                SCH_RESSTR( STR_ACTION_EDIT_CHART_DATA ),
-                m_xUndoManager );
-            ScopedVclPtrInstance<DataEditor> aDataEditorDialog( nullptr, xChartDoc, m_xCC );
-            if (aDataEditorDialog->Execute() == RET_OK)
-                aDataEditorDialog->ApplyChangesToModel();
-            aUndoGuard.commit();
-        }
+        SolarMutexGuard aSolarGuard;
+        UndoLiveUpdateGuardWithData aUndoGuard(
+            SCH_RESSTR( STR_ACTION_EDIT_CHART_DATA ),
+            m_xUndoManager );
+        ScopedVclPtrInstance<DataEditor> aDataEditorDialog( nullptr, xChartDoc, m_xCC );
+        if (aDataEditorDialog->Execute() == RET_OK)
+            aDataEditorDialog->ApplyChangesToModel();
+        aUndoGuard.commit();
     }
 }
 
diff --git a/chart2/source/controller/main/ChartController_Properties.cxx b/chart2/source/controller/main/ChartController_Properties.cxx
index b5577ff40f57..795b3b38b08c 100644
--- a/chart2/source/controller/main/ChartController_Properties.cxx
+++ b/chart2/source/controller/main/ChartController_Properties.cxx
@@ -174,7 +174,6 @@ wrapper::ItemConverter* createItemConverter(
                     pRefSize.reset( new awt::Size( pRefSizeProvider->getPageSize()));
 
                 uno::Reference<XDataSeries> xSeries = ObjectIdentifier::getDataSeriesForCID(aObjectCID, xChartModel);
-                uno::Reference<XChartType> xChartType = ChartModelHelper::getChartTypeOfSeries(xChartModel, xSeries);
 
                 uno::Reference<XDiagram> xDiagram = ChartModelHelper::findDiagram(xChartModel);
 
diff --git a/chart2/source/controller/main/ChartController_Tools.cxx b/chart2/source/controller/main/ChartController_Tools.cxx
index 53b7594e412a..50f0a12b474a 100644
--- a/chart2/source/controller/main/ChartController_Tools.cxx
+++ b/chart2/source/controller/main/ChartController_Tools.cxx
@@ -859,7 +859,6 @@ void ChartController::executeDispatch_ToggleLegend()
 
 void ChartController::executeDispatch_ToggleGridHorizontal()
 {
-    Reference< frame::XModel > xModel( getModel() );
     UndoGuard aUndoGuard(
         SCH_RESSTR( STR_ACTION_TOGGLE_GRID_HORZ ), m_xUndoManager );
     Reference< chart2::XDiagram > xDiagram( ChartModelHelper::findDiagram( getModel() ));
@@ -893,7 +892,6 @@ void ChartController::executeDispatch_ToggleGridHorizontal()
 
 void ChartController::executeDispatch_ToggleGridVertical()
 {
-    Reference< frame::XModel > xModel( getModel() );
     UndoGuard aUndoGuard(
         SCH_RESSTR( STR_ACTION_TOGGLE_GRID_VERTICAL ), m_xUndoManager );
     Reference< chart2::XDiagram > xDiagram( ChartModelHelper::findDiagram( getModel() ));
diff --git a/chart2/source/controller/sidebar/ChartSeriesPanel.cxx b/chart2/source/controller/sidebar/ChartSeriesPanel.cxx
index ca18efbabe77..6eb04776332b 100644
--- a/chart2/source/controller/sidebar/ChartSeriesPanel.cxx
+++ b/chart2/source/controller/sidebar/ChartSeriesPanel.cxx
@@ -162,9 +162,7 @@ void setTrendlineVisible(const css::uno::Reference<css::frame::XModel>&
 
     if (bVisible)
     {
-        /* code */
-        uno::Reference< chart2::XRegressionCurve > xCurve =
-            RegressionCurveHelper::addRegressionCurve(
+        RegressionCurveHelper::addRegressionCurve(
                     SvxChartRegress::Linear,
                     xRegressionCurveContainer,
                     comphelper::getProcessComponentContext());
diff --git a/chart2/source/model/main/ChartModel.cxx b/chart2/source/model/main/ChartModel.cxx
index 1b3e233b5218..48d38e832850 100644
--- a/chart2/source/model/main/ChartModel.cxx
+++ b/chart2/source/model/main/ChartModel.cxx
@@ -1173,7 +1173,6 @@ tServiceNameMap & lcl_getStaticServiceNameMap()
 // ____ XMultiServiceFactory ____
 Reference< uno::XInterface > SAL_CALL ChartModel::createInstance( const OUString& rServiceSpecifier )
 {
-    uno::Reference< uno::XInterface > xResult;
     tServiceNameMap & rMap = lcl_getStaticServiceNameMap();
 
     tServiceNameMap::const_iterator aIt( rMap.find( rServiceSpecifier ));
diff --git a/chart2/source/tools/AxisHelper.cxx b/chart2/source/tools/AxisHelper.cxx
index 473d1eed8015..26ea1979e991 100644
--- a/chart2/source/tools/AxisHelper.cxx
+++ b/chart2/source/tools/AxisHelper.cxx
@@ -981,7 +981,6 @@ void AxisHelper::getAxisOrGridExcistence( Sequence< sal_Bool >& rExistenceList
     if(bAxis)
     {
         sal_Int32 nN;
-        Reference< XAxis > xAxis;
         for(nN=0;nN<3;nN++)
             rExistenceList[nN] = AxisHelper::isAxisShown( nN, true, xDiagram );
         for(nN=3;nN<6;nN++)
diff --git a/chart2/source/tools/DiagramHelper.cxx b/chart2/source/tools/DiagramHelper.cxx
index 3bc8e462a839..d0d29a1c324e 100644
--- a/chart2/source/tools/DiagramHelper.cxx
+++ b/chart2/source/tools/DiagramHelper.cxx
@@ -769,7 +769,6 @@ std::vector< Reference< XAxis > > lcl_getAxisHoldingCategoriesFromDiagram(
 {
     std::vector< Reference< XAxis > > aRet;
 
-    Reference< XAxis > xResult;
     // return first x-axis as fall-back
     Reference< XAxis > xFallBack;
     try
diff --git a/chart2/source/tools/ExplicitCategoriesProvider.cxx b/chart2/source/tools/ExplicitCategoriesProvider.cxx
index 925c5e56f72a..9f5998297ff0 100644
--- a/chart2/source/tools/ExplicitCategoriesProvider.cxx
+++ b/chart2/source/tools/ExplicitCategoriesProvider.cxx
@@ -173,7 +173,6 @@ void ExplicitCategoriesProvider::convertCategoryAnysToText( uno::Sequence< OUStr
     if(!nCount)
         return;
     rOutTexts.realloc(nCount);
-    Reference< util::XNumberFormats > xNumberFormats( rModel.getNumberFormats() );
 
     sal_Int32 nAxisNumberFormat = 0;
     Reference< XCoordinateSystem > xCooSysModel( ChartModelHelper::getFirstCoordinateSystem( rModel ) );
diff --git a/chart2/source/view/axes/VCartesianAxis.cxx b/chart2/source/view/axes/VCartesianAxis.cxx
index 64ada6d2af09..3ff5cd913cfb 100644
--- a/chart2/source/view/axes/VCartesianAxis.cxx
+++ b/chart2/source/view/axes/VCartesianAxis.cxx
@@ -1840,7 +1840,7 @@ void VCartesianAxis::createShapes()
                     {std::initializer_list<awt::Point>{
                         {static_cast<sal_Int32>(aStart.getX()), static_cast<sal_Int32>(aStart.getY())},
                         {static_cast<sal_Int32>(aEnd.getX()), static_cast<sal_Int32>(aEnd.getY())} }}};
-                Reference< drawing::XShape > xShape = m_pShapeFactory->createLine2D(
+                m_pShapeFactory->createLine2D(
                         m_xGroupShape_Shapes, aPoints, &m_aAxisProperties.m_aLineProperties );
             }
         }
diff --git a/chart2/source/view/main/VLegendSymbolFactory.cxx b/chart2/source/view/main/VLegendSymbolFactory.cxx
index 0ccc53df3dcb..326da900cf8b 100644
--- a/chart2/source/view/main/VLegendSymbolFactory.cxx
+++ b/chart2/source/view/main/VLegendSymbolFactory.cxx
@@ -181,8 +181,7 @@ Reference< drawing::XShape > VLegendSymbolFactory::createSymbol(
             getPropNamesAndValues( xLegendEntryProperties, aPropNames, aPropValues,
                     ePropertyType, awt::Size(0,0) );// PropertyType::FilledSeries
 
-            Reference< drawing::XShape > xShape =
-                pShapeFactory->createRectangle( xResultGroup,
+            pShapeFactory->createRectangle( xResultGroup,
                         rEntryKeyAspectRatio, awt::Point( 0, 0 ),
                         aPropNames, aPropValues );
         }