loplugin:passstuffbyref in slideshow

Change-Id: I6a58315ae63d543053d613a18ff769329f309c32

23 files changed, 25 insertions, 25 deletions

diff --git a/slideshow/source/engine/activities/activitybase.hxx b/slideshow/source/engine/activities/activitybase.hxx
index 50de04542a98..5db55d22485c 100644
--- a/slideshow/source/engine/activities/activitybase.hxx
+++ b/slideshow/source/engine/activities/activitybase.hxx
@@ -106,9 +106,9 @@ protected:
 
     EventQueue& getEventQueue() const { return mrEventQueue; }
 
-    AnimatableShapeSharedPtr getShape() const { return mpShape; }
+    const AnimatableShapeSharedPtr& getShape() const { return mpShape; }
 
-    ShapeAttributeLayerSharedPtr getShapeAttributeLayer() const
+    const ShapeAttributeLayerSharedPtr& getShapeAttributeLayer() const
         { return mpAttributeLayer; }
 
     bool isRepeatCountValid() const { return bool(maRepeats); }
diff --git a/slideshow/source/engine/shapeattributelayer.cxx b/slideshow/source/engine/shapeattributelayer.cxx
index 92518bdb61ea..73b100d7a204 100644
--- a/slideshow/source/engine/shapeattributelayer.cxx
+++ b/slideshow/source/engine/shapeattributelayer.cxx
@@ -236,7 +236,7 @@ namespace slideshow
             return true;
         }
 
-        ShapeAttributeLayerSharedPtr  ShapeAttributeLayer::getChildLayer() const
+        const ShapeAttributeLayerSharedPtr&  ShapeAttributeLayer::getChildLayer() const
         {
             return mpChild;
         }
diff --git a/slideshow/source/engine/shapes/drawshapesubsetting.cxx b/slideshow/source/engine/shapes/drawshapesubsetting.cxx
index fab2a4096159..3c3e1d7881c5 100644
--- a/slideshow/source/engine/shapes/drawshapesubsetting.cxx
+++ b/slideshow/source/engine/shapes/drawshapesubsetting.cxx
@@ -277,7 +277,7 @@ namespace slideshow
                 maCurrentSubsets.push_back( maSubset );
         }
 
-        DocTreeNode DrawShapeSubsetting::getSubsetNode() const
+        const DocTreeNode& DrawShapeSubsetting::getSubsetNode() const
         {
             return maSubset;
         }
diff --git a/slideshow/source/engine/shapes/drawshapesubsetting.hxx b/slideshow/source/engine/shapes/drawshapesubsetting.hxx
index 48dca8e47490..ec101628e11e 100644
--- a/slideshow/source/engine/shapes/drawshapesubsetting.hxx
+++ b/slideshow/source/engine/shapes/drawshapesubsetting.hxx
@@ -84,7 +84,7 @@ namespace slideshow
 
 
             /// Return subset node for this shape
-            DocTreeNode                 getSubsetNode       () const;
+            const DocTreeNode&          getSubsetNode       () const;
 
             /// Get subset shape for given node, if any
             AttributableShapeSharedPtr  getSubsetShape      ( const DocTreeNode& rTreeNode ) const;
diff --git a/slideshow/source/engine/shapes/shapeimporter.cxx b/slideshow/source/engine/shapes/shapeimporter.cxx
index a06b2dc59ba2..5546d1668672 100644
--- a/slideshow/source/engine/shapes/shapeimporter.cxx
+++ b/slideshow/source/engine/shapes/shapeimporter.cxx
@@ -580,7 +580,7 @@ bool ShapeImporter::isImportDone() const
     return maShapesStack.empty();
 }
 
-PolyPolygonVector ShapeImporter::getPolygons()
+const PolyPolygonVector& ShapeImporter::getPolygons()
 {
     return maPolygons;
 }
diff --git a/slideshow/source/engine/shapes/viewappletshape.cxx b/slideshow/source/engine/shapes/viewappletshape.cxx
index 47f8f78a698a..7d6468a98960 100644
--- a/slideshow/source/engine/shapes/viewappletshape.cxx
+++ b/slideshow/source/engine/shapes/viewappletshape.cxx
@@ -114,7 +114,7 @@ namespace slideshow
         }
 
 
-        ViewLayerSharedPtr ViewAppletShape::getViewLayer() const
+        const ViewLayerSharedPtr& ViewAppletShape::getViewLayer() const
         {
             return mpViewLayer;
         }
diff --git a/slideshow/source/engine/shapes/viewappletshape.hxx b/slideshow/source/engine/shapes/viewappletshape.hxx
index dfef6abe72ae..67075093e708 100644
--- a/slideshow/source/engine/shapes/viewappletshape.hxx
+++ b/slideshow/source/engine/shapes/viewappletshape.hxx
@@ -89,7 +89,7 @@ namespace slideshow
 
             /** Query the associated view layer of this shape
              */
-            ViewLayerSharedPtr getViewLayer() const;
+            const ViewLayerSharedPtr& getViewLayer() const;
 
             // animation methods
 
diff --git a/slideshow/source/engine/shapes/viewbackgroundshape.cxx b/slideshow/source/engine/shapes/viewbackgroundshape.cxx
index 996603297f66..ec2d611fec58 100644
--- a/slideshow/source/engine/shapes/viewbackgroundshape.cxx
+++ b/slideshow/source/engine/shapes/viewbackgroundshape.cxx
@@ -142,7 +142,7 @@ namespace slideshow
             ENSURE_OR_THROW( mpViewLayer->getCanvas(), "ViewBackgroundShape::ViewBackgroundShape(): Invalid ViewLayer canvas" );
         }
 
-        ViewLayerSharedPtr ViewBackgroundShape::getViewLayer() const
+        const ViewLayerSharedPtr& ViewBackgroundShape::getViewLayer() const
         {
             return mpViewLayer;
         }
diff --git a/slideshow/source/engine/shapes/viewbackgroundshape.hxx b/slideshow/source/engine/shapes/viewbackgroundshape.hxx
index 1985b82e1d99..92403dad1aae 100644
--- a/slideshow/source/engine/shapes/viewbackgroundshape.hxx
+++ b/slideshow/source/engine/shapes/viewbackgroundshape.hxx
@@ -64,7 +64,7 @@ namespace slideshow
 
             /** Query the associated view layer of this shape
              */
-            ViewLayerSharedPtr getViewLayer() const;
+            const ViewLayerSharedPtr& getViewLayer() const;
 
             bool render( const GDIMetaFileSharedPtr& rMtf ) const;
 
diff --git a/slideshow/source/engine/shapes/viewmediashape.cxx b/slideshow/source/engine/shapes/viewmediashape.cxx
index 2fc4ea24f587..e0c30a27b139 100644
--- a/slideshow/source/engine/shapes/viewmediashape.cxx
+++ b/slideshow/source/engine/shapes/viewmediashape.cxx
@@ -113,7 +113,7 @@ namespace slideshow
         }
 
 
-        ViewLayerSharedPtr ViewMediaShape::getViewLayer() const
+        const ViewLayerSharedPtr& ViewMediaShape::getViewLayer() const
         {
             return mpViewLayer;
         }
diff --git a/slideshow/source/engine/shapes/viewmediashape.hxx b/slideshow/source/engine/shapes/viewmediashape.hxx
index e935f0ab559b..c04b3e9e42ad 100644
--- a/slideshow/source/engine/shapes/viewmediashape.hxx
+++ b/slideshow/source/engine/shapes/viewmediashape.hxx
@@ -78,7 +78,7 @@ namespace slideshow
 
             /** Query the associated view layer of this shape
              */
-            ViewLayerSharedPtr getViewLayer() const;
+            const ViewLayerSharedPtr& getViewLayer() const;
 
             // animation methods
 
diff --git a/slideshow/source/engine/shapes/viewshape.cxx b/slideshow/source/engine/shapes/viewshape.cxx
index a10d34602564..2acc75f0b835 100644
--- a/slideshow/source/engine/shapes/viewshape.cxx
+++ b/slideshow/source/engine/shapes/viewshape.cxx
@@ -722,7 +722,7 @@ namespace slideshow
             ENSURE_OR_THROW( mpViewLayer, "ViewShape::ViewShape(): Invalid View" );
         }
 
-        ViewLayerSharedPtr ViewShape::getViewLayer() const
+        const ViewLayerSharedPtr& ViewShape::getViewLayer() const
         {
             return mpViewLayer;
         }
diff --git a/slideshow/source/engine/shapes/viewshape.hxx b/slideshow/source/engine/shapes/viewshape.hxx
index 88b3f7a3b0cd..9f6d46c89fe0 100644
--- a/slideshow/source/engine/shapes/viewshape.hxx
+++ b/slideshow/source/engine/shapes/viewshape.hxx
@@ -63,7 +63,7 @@ namespace slideshow
 
             /** Query the associated view layer of this shape
              */
-            ViewLayerSharedPtr getViewLayer() const;
+            const ViewLayerSharedPtr& getViewLayer() const;
 
             /** Query dimension of a safety border around the shape for AA
 
@@ -222,7 +222,7 @@ namespace slideshow
                 {
                 }
 
-                ::cppcanvas::CanvasSharedPtr getDestinationCanvas() const
+                const ::cppcanvas::CanvasSharedPtr& getDestinationCanvas() const
                 {
                     return mpDestinationCanvas;
                 }
diff --git a/slideshow/source/engine/shapesubset.cxx b/slideshow/source/engine/shapesubset.cxx
index e5c5eee7e8fd..5a20d3e9d194 100644
--- a/slideshow/source/engine/shapesubset.cxx
+++ b/slideshow/source/engine/shapesubset.cxx
@@ -119,7 +119,7 @@ namespace slideshow
             return maTreeNode.isEmpty();
         }
 
-        DocTreeNode ShapeSubset::getSubset() const
+        const DocTreeNode& ShapeSubset::getSubset() const
         {
             return maTreeNode;
         }
diff --git a/slideshow/source/engine/slide/slideimpl.cxx b/slideshow/source/engine/slide/slideimpl.cxx
index ab9aa833271e..a3067267f3de 100644
--- a/slideshow/source/engine/slide/slideimpl.cxx
+++ b/slideshow/source/engine/slide/slideimpl.cxx
@@ -721,7 +721,7 @@ namespace
             }
         }
 
-        uno::Reference< animations::XAnimationNode > getMainSequence() const
+        const uno::Reference< animations::XAnimationNode >& getMainSequence() const
         {
             return maMainSequence;
         }
diff --git a/slideshow/source/engine/slide/userpaintoverlay.cxx b/slideshow/source/engine/slide/userpaintoverlay.cxx
index 1a3ad4de8c99..68a3a4ea96a8 100644
--- a/slideshow/source/engine/slide/userpaintoverlay.cxx
+++ b/slideshow/source/engine/slide/userpaintoverlay.cxx
@@ -224,7 +224,7 @@ namespace slideshow
             }
 
             //Retrieve all registered polygons.
-            PolyPolygonVector getPolygons()
+            const PolyPolygonVector& getPolygons()
             {
                 return maPolygons;
             }
diff --git a/slideshow/source/engine/slidebitmap.cxx b/slideshow/source/engine/slidebitmap.cxx
index cee3d8a91a3e..c13a38f15667 100644
--- a/slideshow/source/engine/slidebitmap.cxx
+++ b/slideshow/source/engine/slidebitmap.cxx
@@ -109,7 +109,7 @@ namespace slideshow
             maClipPoly = rClipPoly;
         }
 
-        css::uno::Reference< css::rendering::XBitmap >    SlideBitmap::getXBitmap()
+        const css::uno::Reference< css::rendering::XBitmap >&  SlideBitmap::getXBitmap()
         {
         return mxBitmap;
         }
diff --git a/slideshow/source/engine/slideview.cxx b/slideshow/source/engine/slideview.cxx
index bc6fee9cd88f..e82ab8011e5e 100644
--- a/slideshow/source/engine/slideview.cxx
+++ b/slideshow/source/engine/slideview.cxx
@@ -305,7 +305,7 @@ public:
     {
     }
 
-    basegfx::B1DRange getLayerPriority() const
+    const basegfx::B1DRange& getLayerPriority() const
     {
         return maLayerPrioRange;
     }
diff --git a/slideshow/source/inc/shapeattributelayer.hxx b/slideshow/source/inc/shapeattributelayer.hxx
index 31c8ebaf1e78..d52e8a9123a3 100644
--- a/slideshow/source/inc/shapeattributelayer.hxx
+++ b/slideshow/source/inc/shapeattributelayer.hxx
@@ -124,7 +124,7 @@ namespace slideshow
                 @attention
                 This method is only supposed to be called from Shape objects
              */
-            ShapeAttributeLayerSharedPtr getChildLayer() const;
+            const ShapeAttributeLayerSharedPtr& getChildLayer() const;
 
             /** Set the additive mode for possible child attributes
 
diff --git a/slideshow/source/inc/shapeattributelayerholder.hxx b/slideshow/source/inc/shapeattributelayerholder.hxx
index 12044e58eb29..ba596adcdf43 100644
--- a/slideshow/source/inc/shapeattributelayerholder.hxx
+++ b/slideshow/source/inc/shapeattributelayerholder.hxx
@@ -87,7 +87,7 @@ namespace slideshow
                 return static_cast< bool >(mpAttributeLayer);
             }
 
-            ShapeAttributeLayerSharedPtr get() const
+            const ShapeAttributeLayerSharedPtr& get() const
             {
                 return mpAttributeLayer;
             }
diff --git a/slideshow/source/inc/shapeimporter.hxx b/slideshow/source/inc/shapeimporter.hxx
index 3c9b85b4ed47..e1fba6fa7683 100644
--- a/slideshow/source/inc/shapeimporter.hxx
+++ b/slideshow/source/inc/shapeimporter.hxx
@@ -90,7 +90,7 @@ public:
         importShape() call.
     */
     bool isImportDone() const;
-    PolyPolygonVector getPolygons();
+    const PolyPolygonVector& getPolygons();
 
     double getImportedShapesCount() { return mnAscendingPrio; }
 private:
diff --git a/slideshow/source/inc/shapesubset.hxx b/slideshow/source/inc/shapesubset.hxx
index b1241870edfc..68514759de2a 100644
--- a/slideshow/source/inc/shapesubset.hxx
+++ b/slideshow/source/inc/shapesubset.hxx
@@ -122,7 +122,7 @@ namespace slideshow
 
             /** Query subset this object represents
              */
-            DocTreeNode getSubset() const;
+            const DocTreeNode& getSubset() const;
 
         private:
             // default copy/assignment are okay
diff --git a/slideshow/source/inc/slidebitmap.hxx b/slideshow/source/inc/slidebitmap.hxx
index d0e169213760..d311a6d1470c 100644
--- a/slideshow/source/inc/slidebitmap.hxx
+++ b/slideshow/source/inc/slidebitmap.hxx
@@ -68,7 +68,7 @@ namespace slideshow
             void                move( const ::basegfx::B2DPoint& rNewPos );
             void                clip( const ::basegfx::B2DPolyPolygon& rClipPoly );
 
-            css::uno::Reference< css::rendering::XBitmap >    getXBitmap();
+            const css::uno::Reference< css::rendering::XBitmap >&  getXBitmap();
 
         private:
             ::basegfx::B2DPoint                                     maOutputPos;