loplugin:constparams in oox

Change-Id: I43984b4ece82da39ca61a91fa14e4660298509dd
Reviewed-on: https://gerrit.libreoffice.org/40581
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

29 files changed, 50 insertions, 50 deletions

diff --git a/oox/source/ppt/animvariantcontext.cxx b/oox/source/ppt/animvariantcontext.cxx
index 5d7c1a140059..bf96b277159f 100644
--- a/oox/source/ppt/animvariantcontext.cxx
+++ b/oox/source/ppt/animvariantcontext.cxx
@@ -139,7 +139,7 @@ namespace oox { namespace ppt {
         return bRet;
     }
 
-    AnimVariantContext::AnimVariantContext( FragmentHandler2& rParent, sal_Int32 aElement, Any & aValue )
+    AnimVariantContext::AnimVariantContext( FragmentHandler2 const & rParent, sal_Int32 aElement, Any & aValue )
         : FragmentHandler2( rParent )
             , mnElement( aElement )
             , maValue( aValue )
diff --git a/oox/source/ppt/animvariantcontext.hxx b/oox/source/ppt/animvariantcontext.hxx
index 4ab209180230..3b5ebe82261f 100644
--- a/oox/source/ppt/animvariantcontext.hxx
+++ b/oox/source/ppt/animvariantcontext.hxx
@@ -32,7 +32,7 @@ namespace oox { namespace ppt {
         : public ::oox::core::FragmentHandler2
     {
     public:
-        AnimVariantContext( ::oox::core::FragmentHandler2& rParent, ::sal_Int32 aElement, css::uno::Any & aValue );
+        AnimVariantContext( ::oox::core::FragmentHandler2 const & rParent, ::sal_Int32 aElement, css::uno::Any & aValue );
         virtual ~AnimVariantContext( ) throw( ) override;
         virtual void onEndElement() override;
         virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override;
diff --git a/oox/source/ppt/backgroundproperties.cxx b/oox/source/ppt/backgroundproperties.cxx
index 29ffe622500c..b7ddcbcb5543 100644
--- a/oox/source/ppt/backgroundproperties.cxx
+++ b/oox/source/ppt/backgroundproperties.cxx
@@ -30,7 +30,7 @@ using namespace ::com::sun::star::xml::sax;
 
 namespace oox { namespace ppt {
 
-BackgroundPropertiesContext::BackgroundPropertiesContext( FragmentHandler2& rParent, ::oox::drawingml::FillProperties& rFillProperties )
+BackgroundPropertiesContext::BackgroundPropertiesContext( FragmentHandler2 const & rParent, ::oox::drawingml::FillProperties& rFillProperties )
 : FragmentHandler2( rParent )
 , mrFillProperties( rFillProperties )
 {
diff --git a/oox/source/ppt/buildlistcontext.cxx b/oox/source/ppt/buildlistcontext.cxx
index 1bee71b75522..8167bc05a02f 100644
--- a/oox/source/ppt/buildlistcontext.cxx
+++ b/oox/source/ppt/buildlistcontext.cxx
@@ -25,7 +25,7 @@
 
 namespace oox { namespace ppt {
 
-    BuildListContext::BuildListContext( FragmentHandler2& rParent )
+    BuildListContext::BuildListContext( FragmentHandler2 const & rParent )
         : FragmentHandler2( rParent )
         , mbInBldGraphic( false )
         ,   mbBuildAsOne( false )
diff --git a/oox/source/ppt/buildlistcontext.hxx b/oox/source/ppt/buildlistcontext.hxx
index 5fbf5f2b6618..903e9138c2cf 100644
--- a/oox/source/ppt/buildlistcontext.hxx
+++ b/oox/source/ppt/buildlistcontext.hxx
@@ -29,7 +29,7 @@ namespace oox { namespace ppt {
         : public ::oox::core::FragmentHandler2
     {
     public:
-        explicit BuildListContext( ::oox::core::FragmentHandler2& rParent );
+        explicit BuildListContext( ::oox::core::FragmentHandler2 const & rParent );
 
         virtual ~BuildListContext( ) override;
 
diff --git a/oox/source/ppt/commonbehaviorcontext.cxx b/oox/source/ppt/commonbehaviorcontext.cxx
index a900f8a2b173..9751e7b97997 100644
--- a/oox/source/ppt/commonbehaviorcontext.cxx
+++ b/oox/source/ppt/commonbehaviorcontext.cxx
@@ -39,7 +39,7 @@ using namespace ::com::sun::star::xml::sax;
 
 namespace oox { namespace ppt {
 
-    CommonBehaviorContext::CommonBehaviorContext( FragmentHandler2& rParent,
+    CommonBehaviorContext::CommonBehaviorContext( FragmentHandler2 const & rParent,
             const Reference< XFastAttributeList >& xAttribs,
             const TimeNodePtr & pNode )
         : TimeNodeContext( rParent, PPT_TOKEN( cBhvr ), xAttribs, pNode )
diff --git a/oox/source/ppt/commonbehaviorcontext.hxx b/oox/source/ppt/commonbehaviorcontext.hxx
index 4d396050a517..e36f746db309 100644
--- a/oox/source/ppt/commonbehaviorcontext.hxx
+++ b/oox/source/ppt/commonbehaviorcontext.hxx
@@ -39,7 +39,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        CommonBehaviorContext( ::oox::core::FragmentHandler2& rParent,
+        CommonBehaviorContext( ::oox::core::FragmentHandler2 const & rParent,
              const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs,
              const TimeNodePtr & pNode );
         virtual ~CommonBehaviorContext( )
diff --git a/oox/source/ppt/commontimenodecontext.cxx b/oox/source/ppt/commontimenodecontext.cxx
index 022a379757a1..038e1226cf41 100644
--- a/oox/source/ppt/commontimenodecontext.cxx
+++ b/oox/source/ppt/commontimenodecontext.cxx
@@ -352,7 +352,7 @@ OUString getConvertedSubType( sal_Int16 nPresetClass, sal_Int32 nPresetId, sal_I
 }
 
     CommonTimeNodeContext::CommonTimeNodeContext(
-            FragmentHandler2& rParent,
+            FragmentHandler2 const & rParent,
             sal_Int32  aElement,
             const Reference< XFastAttributeList >& xAttribs,
             const TimeNodePtr & pNode )
diff --git a/oox/source/ppt/commontimenodecontext.hxx b/oox/source/ppt/commontimenodecontext.hxx
index 5d5de495deca..ce66bb725eec 100644
--- a/oox/source/ppt/commontimenodecontext.hxx
+++ b/oox/source/ppt/commontimenodecontext.hxx
@@ -31,7 +31,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        CommonTimeNodeContext( ::oox::core::FragmentHandler2& rParent, sal_Int32  aElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs, const TimeNodePtr & pNode);
+        CommonTimeNodeContext( ::oox::core::FragmentHandler2 const & rParent, sal_Int32  aElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs, const TimeNodePtr & pNode);
         virtual ~CommonTimeNodeContext( ) throw( ) override;
 
         virtual void onEndElement() override;
diff --git a/oox/source/ppt/conditioncontext.cxx b/oox/source/ppt/conditioncontext.cxx
index 122ec7585403..591cfa75b32e 100644
--- a/oox/source/ppt/conditioncontext.cxx
+++ b/oox/source/ppt/conditioncontext.cxx
@@ -40,7 +40,7 @@ using namespace ::com::sun::star::animations;
 
 namespace oox { namespace ppt {
 
-    CondContext::CondContext( FragmentHandler2& rParent, const Reference< XFastAttributeList >& xAttribs,
+    CondContext::CondContext( FragmentHandler2 const & rParent, const Reference< XFastAttributeList >& xAttribs,
                 const TimeNodePtr & pNode, AnimationCondition & aValue )
         :  TimeNodeContext( rParent, PPT_TOKEN( cond ), xAttribs, pNode )
         , maCond( aValue )
@@ -153,7 +153,7 @@ namespace oox { namespace ppt {
 
     /** CT_TLTimeConditionList */
     CondListContext::CondListContext(
-            FragmentHandler2& rParent, sal_Int32  aElement,
+            FragmentHandler2 const & rParent, sal_Int32  aElement,
             const Reference< XFastAttributeList >& xAttribs,
             const TimeNodePtr & pNode,
             AnimationConditionList & aCond )
diff --git a/oox/source/ppt/conditioncontext.hxx b/oox/source/ppt/conditioncontext.hxx
index 726191dba526..b9bb2cb0c961 100644
--- a/oox/source/ppt/conditioncontext.hxx
+++ b/oox/source/ppt/conditioncontext.hxx
@@ -34,7 +34,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        CondContext( ::oox::core::FragmentHandler2& rParent,
+        CondContext( ::oox::core::FragmentHandler2 const & rParent,
                      const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs,
                      const TimeNodePtr & pNode, AnimationCondition & aCond );
         virtual ~CondContext( ) throw( ) override;
@@ -50,7 +50,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        CondListContext( ::oox::core::FragmentHandler2& rParent,
+        CondListContext( ::oox::core::FragmentHandler2 const & rParent,
              sal_Int32  aElement,
              const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs,
              const TimeNodePtr & pNode, AnimationConditionList & aCondList );
diff --git a/oox/source/ppt/customshowlistcontext.cxx b/oox/source/ppt/customshowlistcontext.cxx
index cccd54b7e968..c64d2904d5ac 100644
--- a/oox/source/ppt/customshowlistcontext.cxx
+++ b/oox/source/ppt/customshowlistcontext.cxx
@@ -34,16 +34,16 @@ class CustomShowContext : public ::oox::core::FragmentHandler2
     CustomShow mrCustomShow;
 
 public:
-    CustomShowContext( ::oox::core::FragmentHandler2& rParent,
+    CustomShowContext( ::oox::core::FragmentHandler2 const & rParent,
         const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs,
-            CustomShow& rCustomShow );
+            CustomShow const & rCustomShow );
 
     virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override;
 };
 
-CustomShowContext::CustomShowContext( FragmentHandler2& rParent,
+CustomShowContext::CustomShowContext( FragmentHandler2 const & rParent,
     const Reference< XFastAttributeList >& rxAttribs,
-        CustomShow& rCustomShow )
+        CustomShow const & rCustomShow )
 : FragmentHandler2( rParent )
 , mrCustomShow( rCustomShow )
 {
@@ -65,7 +65,7 @@ CustomShowContext::CustomShowContext( FragmentHandler2& rParent,
     return this;
 }
 
-CustomShowListContext::CustomShowListContext( FragmentHandler2& rParent,
+CustomShowListContext::CustomShowListContext( FragmentHandler2 const & rParent,
     std::vector< CustomShow >& rCustomShowList )
 : FragmentHandler2( rParent )
 , mrCustomShowList( rCustomShowList )
diff --git a/oox/source/ppt/headerfootercontext.cxx b/oox/source/ppt/headerfootercontext.cxx
index 9de098fca166..bf157bf5390a 100644
--- a/oox/source/ppt/headerfootercontext.cxx
+++ b/oox/source/ppt/headerfootercontext.cxx
@@ -27,7 +27,7 @@ using namespace ::com::sun::star::xml::sax;
 
 namespace oox { namespace ppt {
 
-    HeaderFooterContext::HeaderFooterContext( FragmentHandler2& rParent,
+    HeaderFooterContext::HeaderFooterContext( FragmentHandler2 const & rParent,
         const AttributeList& rAttribs, HeaderFooter& rHeaderFooter )
         : FragmentHandler2( rParent )
     {
diff --git a/oox/source/ppt/headerfootercontext.hxx b/oox/source/ppt/headerfootercontext.hxx
index 89ab5b9d79a7..575c61a34eac 100644
--- a/oox/source/ppt/headerfootercontext.hxx
+++ b/oox/source/ppt/headerfootercontext.hxx
@@ -29,7 +29,7 @@ namespace oox { namespace ppt {
     class HeaderFooterContext : public ::oox::core::FragmentHandler2
     {
     public:
-        HeaderFooterContext( ::oox::core::FragmentHandler2& rParent,
+        HeaderFooterContext( ::oox::core::FragmentHandler2 const & rParent,
             const AttributeList& rAttribs, HeaderFooter& rHeaderFooter );
 
         virtual ~HeaderFooterContext( ) override;
diff --git a/oox/source/ppt/pptgraphicshapecontext.cxx b/oox/source/ppt/pptgraphicshapecontext.cxx
index 826fad39ef68..4ad6962aa4a4 100644
--- a/oox/source/ppt/pptgraphicshapecontext.cxx
+++ b/oox/source/ppt/pptgraphicshapecontext.cxx
@@ -48,7 +48,7 @@ using namespace ::com::sun::star::xml::sax;
 namespace oox { namespace ppt {
 
 // CT_Shape
-PPTGraphicShapeContext::PPTGraphicShapeContext( ContextHandler2Helper& rParent, const SlidePersistPtr& rSlidePersistPtr, const oox::drawingml::ShapePtr& pMasterShapePtr, const oox::drawingml::ShapePtr& pShapePtr )
+PPTGraphicShapeContext::PPTGraphicShapeContext( ContextHandler2Helper const & rParent, const SlidePersistPtr& rSlidePersistPtr, const oox::drawingml::ShapePtr& pMasterShapePtr, const oox::drawingml::ShapePtr& pShapePtr )
 : oox::drawingml::GraphicShapeContext( rParent, pMasterShapePtr, pShapePtr )
 , mpSlidePersistPtr( rSlidePersistPtr )
 {
diff --git a/oox/source/ppt/pptshapecontext.cxx b/oox/source/ppt/pptshapecontext.cxx
index d3348dcb1c1c..396f3af2a3ec 100644
--- a/oox/source/ppt/pptshapecontext.cxx
+++ b/oox/source/ppt/pptshapecontext.cxx
@@ -50,7 +50,7 @@ using namespace ::com::sun::star::xml::sax;
 namespace oox { namespace ppt {
 
 // CT_Shape
-PPTShapeContext::PPTShapeContext( ContextHandler2Helper& rParent, const SlidePersistPtr& rSlidePersistPtr, const oox::drawingml::ShapePtr& pMasterShapePtr, const oox::drawingml::ShapePtr& pShapePtr )
+PPTShapeContext::PPTShapeContext( ContextHandler2Helper const & rParent, const SlidePersistPtr& rSlidePersistPtr, const oox::drawingml::ShapePtr& pMasterShapePtr, const oox::drawingml::ShapePtr& pShapePtr )
 : oox::drawingml::ShapeContext( rParent, pMasterShapePtr, pShapePtr )
 , mpSlidePersistPtr( rSlidePersistPtr )
 {
diff --git a/oox/source/ppt/pptshapegroupcontext.cxx b/oox/source/ppt/pptshapegroupcontext.cxx
index 4ad250a15cff..7b9fc6126c46 100644
--- a/oox/source/ppt/pptshapegroupcontext.cxx
+++ b/oox/source/ppt/pptshapegroupcontext.cxx
@@ -51,7 +51,7 @@ using namespace ::com::sun::star::xml::sax;
 namespace oox { namespace ppt {
 
 PPTShapeGroupContext::PPTShapeGroupContext(
-        ContextHandler2Helper& rParent,
+        ContextHandler2Helper const & rParent,
         const oox::ppt::SlidePersistPtr& rSlidePersistPtr,
         const ShapeLocation eShapeLocation,
         const oox::drawingml::ShapePtr& pMasterShapePtr,
diff --git a/oox/source/ppt/pptshapepropertiescontext.cxx b/oox/source/ppt/pptshapepropertiescontext.cxx
index 4fca73a3d9a7..90291c0a1865 100644
--- a/oox/source/ppt/pptshapepropertiescontext.cxx
+++ b/oox/source/ppt/pptshapepropertiescontext.cxx
@@ -47,7 +47,7 @@ using namespace ::com::sun::star::xml::sax;
 namespace oox { namespace ppt {
 
 // CT_Shape
-PPTShapePropertiesContext::PPTShapePropertiesContext( ContextHandler2Helper& rParent, ::oox::drawingml::Shape& rShape )
+PPTShapePropertiesContext::PPTShapePropertiesContext( ContextHandler2Helper const & rParent, ::oox::drawingml::Shape& rShape )
 : ShapePropertiesContext( rParent, rShape )
 {
 }
diff --git a/oox/source/ppt/presentationfragmenthandler.cxx b/oox/source/ppt/presentationfragmenthandler.cxx
index 4ef9ea282dea..07433617b612 100644
--- a/oox/source/ppt/presentationfragmenthandler.cxx
+++ b/oox/source/ppt/presentationfragmenthandler.cxx
@@ -83,7 +83,7 @@ PresentationFragmentHandler::~PresentationFragmentHandler() throw()
 {
 }
 
-void ResolveTextFields( XmlFilterBase& rFilter )
+void ResolveTextFields( XmlFilterBase const & rFilter )
 {
     const oox::core::TextFieldStack& rTextFields = rFilter.getTextFieldStack();
     if ( !rTextFields.empty() )
diff --git a/oox/source/ppt/slidemastertextstylescontext.cxx b/oox/source/ppt/slidemastertextstylescontext.cxx
index 8142fc1cdb3b..ab25f168500b 100644
--- a/oox/source/ppt/slidemastertextstylescontext.cxx
+++ b/oox/source/ppt/slidemastertextstylescontext.cxx
@@ -29,7 +29,7 @@ using namespace ::com::sun::star::xml::sax;
 
 namespace oox { namespace ppt {
 
-SlideMasterTextStylesContext::SlideMasterTextStylesContext( FragmentHandler2& rParent, SlidePersistPtr const & pSlidePersistPtr )
+SlideMasterTextStylesContext::SlideMasterTextStylesContext( FragmentHandler2 const & rParent, SlidePersistPtr const & pSlidePersistPtr )
 : FragmentHandler2( rParent )
 , mpSlidePersistPtr( pSlidePersistPtr )
 {
diff --git a/oox/source/ppt/slidepersist.cxx b/oox/source/ppt/slidepersist.cxx
index 7621ed6d7094..33a2464cebb8 100644
--- a/oox/source/ppt/slidepersist.cxx
+++ b/oox/source/ppt/slidepersist.cxx
@@ -182,8 +182,8 @@ void SlidePersist::createBackground( const XmlFilterBase& rFilterBase )
     }
 }
 
-void setTextStyle( Reference< beans::XPropertySet >& rxPropSet, const XmlFilterBase& rFilter,
-    oox::drawingml::TextListStylePtr& pTextListStylePtr, int nLevel )
+void setTextStyle( Reference< beans::XPropertySet > const & rxPropSet, const XmlFilterBase& rFilter,
+    oox::drawingml::TextListStylePtr const & pTextListStylePtr, int nLevel )
 {
     ::oox::drawingml::TextParagraphPropertiesPtr pTextParagraphPropertiesPtr( pTextListStylePtr->getListStyle()[ nLevel ] );
     if( pTextParagraphPropertiesPtr == nullptr )
diff --git a/oox/source/ppt/slidetimingcontext.cxx b/oox/source/ppt/slidetimingcontext.cxx
index d2ed428b0c37..bf5951b75e7e 100644
--- a/oox/source/ppt/slidetimingcontext.cxx
+++ b/oox/source/ppt/slidetimingcontext.cxx
@@ -42,7 +42,7 @@ using namespace ::com::sun::star::xml::sax;
 
 namespace oox { namespace ppt {
 
-SlideTimingContext::SlideTimingContext( FragmentHandler2& rParent, TimeNodePtrList & aTimeNodeList ) throw()
+SlideTimingContext::SlideTimingContext( FragmentHandler2 const & rParent, TimeNodePtrList & aTimeNodeList ) throw()
     : FragmentHandler2( rParent )
     , maTimeNodeList( aTimeNodeList )
 {
diff --git a/oox/source/ppt/slidetransitioncontext.cxx b/oox/source/ppt/slidetransitioncontext.cxx
index 9b29653e98e6..c9ebcfda3a0c 100644
--- a/oox/source/ppt/slidetransitioncontext.cxx
+++ b/oox/source/ppt/slidetransitioncontext.cxx
@@ -42,7 +42,7 @@ using namespace ::com::sun::star::container;
 
 namespace oox { namespace ppt {
 
-SlideTransitionContext::SlideTransitionContext( FragmentHandler2& rParent, const AttributeList& rAttribs, PropertyMap & aProperties ) throw()
+SlideTransitionContext::SlideTransitionContext( FragmentHandler2 const & rParent, const AttributeList& rAttribs, PropertyMap & aProperties ) throw()
 : FragmentHandler2( rParent )
 , maSlideProperties( aProperties )
 , mbHasTransition( false )
diff --git a/oox/source/ppt/soundactioncontext.cxx b/oox/source/ppt/soundactioncontext.cxx
index a16598854c15..34b39b1c94dc 100644
--- a/oox/source/ppt/soundactioncontext.cxx
+++ b/oox/source/ppt/soundactioncontext.cxx
@@ -35,7 +35,7 @@ using namespace ::com::sun::star::uno;
 
 namespace oox { namespace ppt {
 
-    SoundActionContext::SoundActionContext( FragmentHandler2& rParent, PropertyMap & aProperties ) throw()
+    SoundActionContext::SoundActionContext( FragmentHandler2 const & rParent, PropertyMap & aProperties ) throw()
     : FragmentHandler2( rParent )
     , maSlideProperties( aProperties )
     , mbHasStartSound( false )
diff --git a/oox/source/ppt/timeanimvaluecontext.cxx b/oox/source/ppt/timeanimvaluecontext.cxx
index 531bf8cb8276..dccd2c381235 100644
--- a/oox/source/ppt/timeanimvaluecontext.cxx
+++ b/oox/source/ppt/timeanimvaluecontext.cxx
@@ -31,7 +31,7 @@ using namespace ::com::sun::star::xml::sax;
 
 namespace oox { namespace ppt {
 
-    TimeAnimValueListContext::TimeAnimValueListContext( FragmentHandler2& rParent,
+    TimeAnimValueListContext::TimeAnimValueListContext( FragmentHandler2 const & rParent,
                 const Reference< XFastAttributeList >& /*xAttribs*/,
                 TimeAnimationValueList & aTavList )
         : FragmentHandler2( rParent )
diff --git a/oox/source/ppt/timeanimvaluecontext.hxx b/oox/source/ppt/timeanimvaluecontext.hxx
index 2562393e71d7..059564b44958 100644
--- a/oox/source/ppt/timeanimvaluecontext.hxx
+++ b/oox/source/ppt/timeanimvaluecontext.hxx
@@ -30,7 +30,7 @@ namespace oox { namespace ppt {
         : public ::oox::core::FragmentHandler2
     {
     public:
-        TimeAnimValueListContext( ::oox::core::FragmentHandler2& rParent,
+        TimeAnimValueListContext( ::oox::core::FragmentHandler2 const & rParent,
             const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttribs,
             TimeAnimationValueList & aTavList );
 
diff --git a/oox/source/ppt/timenodelistcontext.cxx b/oox/source/ppt/timenodelistcontext.cxx
index 55ca84c161b7..3421b4abc475 100644
--- a/oox/source/ppt/timenodelistcontext.cxx
+++ b/oox/source/ppt/timenodelistcontext.cxx
@@ -105,7 +105,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        MediaNodeContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        MediaNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                             const Reference< XFastAttributeList >& xAttribs,
                             const TimeNodePtr & pNode )
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -164,7 +164,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        SetTimeNodeContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        SetTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                             const Reference< XFastAttributeList >& xAttribs,
                             const TimeNodePtr & pNode )
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -215,7 +215,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        CmdTimeNodeContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        CmdTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                             const Reference< XFastAttributeList >& xAttribs,
                             const TimeNodePtr & pNode )
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -328,7 +328,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        SequenceTimeNodeContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        SequenceTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                                  const Reference< XFastAttributeList >& xAttribs,
                                  const TimeNodePtr & pNode )
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -371,7 +371,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        ParallelExclTimeNodeContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        ParallelExclTimeNodeContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                                      const Reference< XFastAttributeList >& xAttribs,
                                      const TimeNodePtr & pNode )
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -400,7 +400,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        AnimColorContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        AnimColorContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                             const Reference< XFastAttributeList >& xAttribs,
                             const TimeNodePtr & pNode ) throw()
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -491,7 +491,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        AnimContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        AnimContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                      const Reference< XFastAttributeList >& xAttribs,
                       const TimeNodePtr & pNode ) throw()
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -595,7 +595,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        AnimScaleContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        AnimScaleContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                             const Reference< XFastAttributeList >& xAttribs,
                             const TimeNodePtr & pNode ) throw()
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -675,7 +675,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        AnimRotContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        AnimRotContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                         const Reference< XFastAttributeList >& xAttribs,
                          const TimeNodePtr & pNode ) throw()
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -722,7 +722,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        AnimMotionContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        AnimMotionContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                          const Reference< XFastAttributeList >& xAttribs,
                           const TimeNodePtr & pNode ) throw()
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -817,7 +817,7 @@ namespace oox { namespace ppt {
         : public TimeNodeContext
     {
     public:
-        AnimEffectContext( FragmentHandler2& rParent, sal_Int32  aElement,
+        AnimEffectContext( FragmentHandler2 const & rParent, sal_Int32  aElement,
                              const Reference< XFastAttributeList >& xAttribs,
                              const TimeNodePtr & pNode ) throw()
             : TimeNodeContext( rParent, aElement, xAttribs, pNode )
@@ -855,7 +855,7 @@ namespace oox { namespace ppt {
     };
 
     TimeNodeContext * TimeNodeContext::makeContext(
-            FragmentHandler2& rParent, sal_Int32  aElement,
+            FragmentHandler2 const & rParent, sal_Int32  aElement,
             const Reference< XFastAttributeList >& xAttribs,
             const TimeNodePtr & pNode )
     {
@@ -905,7 +905,7 @@ namespace oox { namespace ppt {
         return pCtx;
     }
 
-    TimeNodeContext::TimeNodeContext( FragmentHandler2& rParent, sal_Int32 aElement,
+    TimeNodeContext::TimeNodeContext( FragmentHandler2 const & rParent, sal_Int32 aElement,
             const Reference< XFastAttributeList >& /*xAttribs*/,
             const TimeNodePtr & pNode ) throw()
         : FragmentHandler2( rParent )
@@ -919,7 +919,7 @@ namespace oox { namespace ppt {
 
     }
 
-    TimeNodeListContext::TimeNodeListContext( FragmentHandler2& rParent, TimeNodePtrList & aList )
+    TimeNodeListContext::TimeNodeListContext( FragmentHandler2 const & rParent, TimeNodePtrList & aList )
         throw()
         : FragmentHandler2( rParent )
             , maList( aList )
diff --git a/oox/source/ppt/timetargetelementcontext.cxx b/oox/source/ppt/timetargetelementcontext.cxx
index 5043ef5bb55b..1f30e1c0e345 100644
--- a/oox/source/ppt/timetargetelementcontext.cxx
+++ b/oox/source/ppt/timetargetelementcontext.cxx
@@ -39,7 +39,7 @@ namespace oox { namespace ppt {
         : public FragmentHandler2
     {
     public:
-        ShapeTargetElementContext( FragmentHandler2& rParent, ShapeTargetElement & aValue )
+        ShapeTargetElementContext( FragmentHandler2 const & rParent, ShapeTargetElement & aValue )
             : FragmentHandler2( rParent )
                 , bTargetSet(false)
                 , maShapeTarget(aValue)
@@ -92,7 +92,7 @@ namespace oox { namespace ppt {
         ShapeTargetElement & maShapeTarget;
     };
 
-    TimeTargetElementContext::TimeTargetElementContext( FragmentHandler2& rParent, const AnimTargetElementPtr & pValue )
+    TimeTargetElementContext::TimeTargetElementContext( FragmentHandler2 const & rParent, const AnimTargetElementPtr & pValue )
         : FragmentHandler2( rParent ),
             mpTarget( pValue )
     {
diff --git a/oox/source/ppt/timetargetelementcontext.hxx b/oox/source/ppt/timetargetelementcontext.hxx
index c51a6d8207a8..6b71726ea550 100644
--- a/oox/source/ppt/timetargetelementcontext.hxx
+++ b/oox/source/ppt/timetargetelementcontext.hxx
@@ -30,7 +30,7 @@ namespace oox { namespace ppt {
         : public ::oox::core::FragmentHandler2
     {
     public:
-        TimeTargetElementContext( ::oox::core::FragmentHandler2& rParent, const AnimTargetElementPtr & aValue );
+        TimeTargetElementContext( ::oox::core::FragmentHandler2 const & rParent, const AnimTargetElementPtr & aValue );
         virtual ~TimeTargetElementContext( ) throw( ) override;
         virtual ::oox::core::ContextHandlerRef onCreateContext( sal_Int32 aElementToken, const AttributeList& rAttribs ) override;