Implement CSSOM Smooth Scroll API

Source/core/rendering/RenderListBox.h

 /*
  * This file is part of the select element renderer in WebCore.
  *
  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 80 matching lines @@
     virtual void autoscroll(const IntPoint&) OVERRIDE;
     virtual void stopAutoscroll() OVERRIDE;
 
     virtual void panScroll(const IntPoint&) OVERRIDE;
 
     virtual int verticalScrollbarWidth() const OVERRIDE;
     virtual int scrollLeft() const OVERRIDE;
     virtual int scrollTop() const OVERRIDE;
     virtual int scrollWidth() const OVERRIDE;
     virtual int scrollHeight() const OVERRIDE;
-    virtual void setScrollLeft(int) OVERRIDE;
-    virtual void setScrollTop(int) OVERRIDE;
+    virtual void setScrollLeft(int, ScrollBehavior) OVERRIDE;
+    virtual void setScrollTop(int, ScrollBehavior) OVERRIDE;
 
     virtual bool nodeAtPoint(const HitTestRequest&, HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction) OVERRIDE;
 
     // ScrollableArea interface.
     virtual int scrollSize(ScrollbarOrientation) const OVERRIDE;
     virtual IntPoint scrollPosition() const OVERRIDE;
     virtual void setScrollOffset(const IntPoint&) OVERRIDE;
     virtual void invalidateScrollbarRect(Scrollbar*, const IntRect&) OVERRIDE;
     virtual bool isActive() const OVERRIDE;
     virtual bool isScrollCornerVisible() const OVERRIDE { return false; } // We don't support resize on list boxes yet. If we did these would have to change.
     virtual IntRect scrollCornerRect() const OVERRIDE { return IntRect(); }
     virtual void invalidateScrollCornerRect(const IntRect&) OVERRIDE { }
     virtual IntRect convertFromScrollbarToContainingView(const Scrollbar*, const IntRect&) const OVERRIDE;
     virtual IntRect convertFromContainingViewToScrollbar(const Scrollbar*, const IntRect&) const OVERRIDE;
     virtual IntPoint convertFromScrollbarToContainingView(const Scrollbar*, const IntPoint&) const OVERRIDE;
     virtual IntPoint convertFromContainingViewToScrollbar(const Scrollbar*, const IntPoint&) const OVERRIDE;
     virtual Scrollbar* verticalScrollbar() const OVERRIDE { return m_vBar.get(); }
     virtual IntSize contentsSize() const OVERRIDE;
     virtual int visibleHeight() const OVERRIDE;
     virtual int visibleWidth() const OVERRIDE;
     virtual IntPoint lastKnownMousePosition() const OVERRIDE;
     virtual bool shouldSuspendScrollAnimations() const OVERRIDE;
     virtual bool scrollbarsCanBeActive() const OVERRIDE;
+    virtual bool registerForAnimation() OVERRIDE;
+    virtual void deregisterForAnimation() OVERRIDE;
+    virtual bool scheduleAnimation() OVERRIDE;
     virtual IntPoint minimumScrollPosition() const OVERRIDE;
     virtual IntPoint maximumScrollPosition() const OVERRIDE;
     virtual bool userInputScrollable(ScrollbarOrientation) const OVERRIDE;
     virtual bool shouldPlaceVerticalScrollbarOnLeft() const OVERRIDE;
     virtual int lineStep(ScrollbarOrientation) const OVERRIDE;
     virtual int pageStep(ScrollbarOrientation) const OVERRIDE;
     virtual float pixelStep(ScrollbarOrientation) const OVERRIDE;
 
 
     virtual ScrollableArea* enclosingScrollableArea() const OVERRIDE;
@@ skipping 24 matching lines @@
     int m_indexOffset;
 
     RefPtr<Scrollbar> m_vBar;
 };
 
 DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderListBox, isListBox());
 
 } // namepace WebCore
 
 #endif // RenderListBox_h