1 files changed, 22 insertions, 6 deletions
diff --git a/src/3rdparty/webkit/WebCore/rendering/RenderLayer.h b/src/3rdparty/webkit/WebCore/rendering/RenderLayer.h
index 4feede88ce..1772c66c98 100644
--- a/src/3rdparty/webkit/WebCore/rendering/RenderLayer.h
+++ b/src/3rdparty/webkit/WebCore/rendering/RenderLayer.h
@@ -264,7 +264,7 @@ public:
 
     void positionOverflowControls(int tx, int ty);
     bool isPointInResizeControl(const IntPoint& absolutePoint) const;
-    bool hitTestOverflowControls(HitTestResult&);
+    bool hitTestOverflowControls(HitTestResult&, const IntPoint& localPoint);
     IntSize offsetFromResizeCorner(const IntPoint& absolutePoint) const;
 
     void paintOverflowControls(GraphicsContext*, int tx, int ty, const IntRect& damageRect);
@@ -294,7 +294,14 @@ public:
     bool hasAcceleratedCompositing() const;
     
     void updateLayerPosition();
-    void updateLayerPositions(bool doFullRepaint = false, bool checkForRepaint = true);
+    
+    enum UpdateLayerPositionsFlag {
+        DoFullRepaint = 1,
+        CheckForRepaint = 1 << 1,
+        UpdateCompositingLayers = 1 << 2,
+    };
+    typedef unsigned UpdateLayerPositionsFlags;
+    void updateLayerPositions(UpdateLayerPositionsFlags = DoFullRepaint | UpdateCompositingLayers);
 
     void updateTransform();
 
@@ -375,6 +382,7 @@ public:
 
     // Return a cached repaint rect, computed relative to the layer renderer's containerForRepaint.
     IntRect repaintRect() const { return m_repaintRect; }
+    void computeRepaintRects();
     void setNeedsFullRepaint(bool f = true) { m_needsFullRepaint = f; }
     
     int staticX() const { return m_staticX; }
@@ -441,6 +449,7 @@ private:
     void collectLayers(Vector<RenderLayer*>*&, Vector<RenderLayer*>*&);
 
     void updateLayerListsIfNeeded();
+    void updateCompositingAndLayerListsIfNeeded();
     
     enum PaintLayerFlag {
         PaintLayerHaveTransparency = 1,
@@ -469,11 +478,18 @@ private:
 
     bool shouldBeNormalFlowOnly() const; 
 
+    // ScrollBarClient interface
     virtual void valueChanged(Scrollbar*);
     virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&);
     virtual bool isActive() const;
     virtual bool scrollbarCornerPresent() const;
-
+    virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const;
+    virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const;
+    virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const;
+    virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const;
+    
+    IntSize scrollbarOffset(const Scrollbar*) const;
+    
     void updateOverflowStatus(bool horizontalOverflow, bool verticalOverflow);
 
     void childVisibilityChanged(bool newVisibility);
@@ -509,8 +525,8 @@ private:
     bool hasCompositingDescendant() const { return m_hasCompositingDescendant; }
     void setHasCompositingDescendant(bool b)  { m_hasCompositingDescendant = b; }
     
-    bool mustOverlayCompositedLayers() const { return m_mustOverlayCompositedLayers; }
-    void setMustOverlayCompositedLayers(bool b) { m_mustOverlayCompositedLayers = b; }
+    bool mustOverlapCompositedLayers() const { return m_mustOverlapCompositedLayers; }
+    void setMustOverlapCompositedLayers(bool b) { m_mustOverlapCompositedLayers = b; }
 #endif
 
 private:
@@ -603,7 +619,7 @@ protected:
                                             // in a preserves3D hierarchy. Hint to do 3D-aware hit testing.
 #if USE(ACCELERATED_COMPOSITING)
     bool m_hasCompositingDescendant : 1;
-    bool m_mustOverlayCompositedLayers : 1;
+    bool m_mustOverlapCompositedLayers : 1;
 #endif
 
     RenderMarquee* m_marquee; // Used by layers with overflow:marquee