fix lifetime problems of ChartView

Change-Id: I99b24b026c50a05f8f3803348c76277e29a45ec7

chart2/inc/ChartModel.hxx

@@ -120,6 +120,7 @@ private:
     sal_Int32               m_nInLoad;
     sal_Bool volatile       m_bUpdateNotificationsPending;
 
+    com::sun::star::uno::Reference< com::sun::star::uno::XInterface > xChartView; // for the ref count
     ChartView* mpChartView;
 
     OUString m_aResource;

chart2/source/model/main/ChartModel.cxx

@@ -185,8 +185,6 @@ ChartModel::~ChartModel()
     OSL_TRACE( "ChartModel: DTOR called" );
     if( m_xOldModelAgg.is())
         m_xOldModelAgg->setDelegator( NULL );
-
-    delete mpChartView;
 }
 
 void SAL_CALL ChartModel::initialize( const Sequence< Any >& /*rArguments*/ )
@@ -1199,7 +1197,10 @@ Reference< uno::XInterface > SAL_CALL ChartModel::createInstance( const OUString
             case SERVICE_MARKER_TABLE:
                 {
                     if(!mpChartView)
+                    {
                         mpChartView = new ChartView( m_xContext, *this);
+                        xChartView = static_cast< ::cppu::OWeakObject* >( mpChartView );
+                    }
                     return mpChartView->createInstance( rServiceSpecifier );
                 }
                 break;
@@ -1210,7 +1211,10 @@ Reference< uno::XInterface > SAL_CALL ChartModel::createInstance( const OUString
     else if(rServiceSpecifier == CHART_VIEW_SERVICE_NAME)
     {
         if(!mpChartView)
+        {
             mpChartView = new ChartView( m_xContext, *this);
+            xChartView = static_cast< ::cppu::OWeakObject* >( mpChartView );
+        }
 
         return static_cast< ::cppu::OWeakObject* >( mpChartView );
     }

chart2/source/view/main/DummyXShape.cxx

@@ -680,6 +680,7 @@ int oglErrorHandler( unx::Display* /*dpy*/, unx::XErrorEvent* /*evnt*/ )
 
 bool DummyChart::initOpengl()
 {
+    initWindow();
     mpWindow->setPosSizePixel(0,0,0,0);
     GLWin.Width = 0;
     GLWin.Height = 0;
@@ -804,7 +805,7 @@ DummyChart::DummyChart():
 
 void DummyChart::createGLContext()
 {
-
+    initOpengl();
 }
 
 void DummyChart::setPosition( const awt::Point& aPosition )