Implement CSSOM Smooth Scroll API

Source/core/dom/Element.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 18 matching lines @@
 #include "HTMLNames.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
 #include "core/dom/ElementData.h"
 #include "core/dom/SpaceSplitString.h"
 #include "core/html/CollectionType.h"
 #include "core/page/FocusDirection.h"
 #include "core/rendering/RegionOversetState.h"
 #include "platform/scroll/ScrollTypes.h"
+#include "platform/scroll/ScrollableArea.h"
 
 namespace WebCore {
 
 class ActiveAnimations;
 class Attr;
 class Attribute;
 class ClientRect;
 class ClientRectList;
 class DOMStringMap;
 class DOMTokenList;
@@ skipping 129 matching lines @@
     // to the render layer and merge offsetParentForBindings and offsetParent.
     Element* offsetParentForBindings();
 
     Element* offsetParent();
     int clientLeft();
     int clientTop();
     int clientWidth();
     int clientHeight();
     virtual int scrollLeft();
     virtual int scrollTop();
-    virtual void setScrollLeft(int);
+    virtual void setScrollLeft(int, ScrollBehavior = ScrollBehaviorAuto);
     virtual void setScrollLeft(const Dictionary& scrollOptionsHorizontal, ExceptionState&);
-    virtual void setScrollTop(int);
+    virtual void setScrollTop(int, ScrollBehavior = ScrollBehaviorAuto);
     virtual void setScrollTop(const Dictionary& scrollOptionsVertical, ExceptionState&);
     virtual int scrollWidth();
     virtual int scrollHeight();
 
     IntRect boundsInRootViewSpace();
 
     PassRefPtr<ClientRectList> getClientRects();
     PassRefPtr<ClientRect> getBoundingClientRect();
 
     // Returns the absolute bounding box translated into screen coordinates:
@@ skipping 363 matching lines @@
 
     // classAttributeChanged() exists to share code between
     // parseAttribute (called via setAttribute()) and
     // svgAttributeChanged (called when element.className.baseValue is set)
     void classAttributeChanged(const AtomicString& newClassString);
 
     PassRefPtr<RenderStyle> originalStyleForRenderer();
 
     Node* insertAdjacent(const String& where, Node* newChild, ExceptionState&);
 
+    virtual void setScrollLeftInternal(int, ScrollBehavior);
+    virtual void setScrollTopInternal(int, ScrollBehavior);
+
 private:
     void styleAttributeChanged(const AtomicString& newStyleString, AttributeModificationReason);
 
     void updatePresentationAttributeStyle();
 
     void inlineStyleChanged();
     PropertySetCSSStyleDeclaration* inlineStyleCSSOMWrapper();
     void setInlineStyleFromString(const AtomicString&);
 
     StyleRecalcChange recalcOwnStyle(StyleRecalcChange);
@@ skipping 300 matching lines @@
 }
 
 inline bool isShadowHost(const Element* element)
 {
     return element && element->shadow();
 }
 
 } // namespace
 
 #endif