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 "core/HTMLNames.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/ContainerNode.h"
 #include "core/dom/ElementData.h"
 #include "core/dom/SpaceSplitString.h"
 #include "core/html/CollectionType.h"
 #include "core/page/FocusType.h"
 #include "platform/heap/Handle.h"
 #include "platform/scroll/ScrollTypes.h"
+#include "platform/scroll/ScrollableArea.h"
 
 namespace WebCore {
 
 class ActiveAnimations;
 class Attr;
 class Attribute;
 class CSSStyleDeclaration;
 class ClientRect;
 class ClientRectList;
 class CustomElementDefinition;
@@ skipping 142 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(const Dictionary& scrollOptionsHorizontal, ExceptionState&);
-    virtual void setScrollTop(int);
-    virtual void setScrollTop(const Dictionary& scrollOptionsVertical, ExceptionState&);
+    void setScrollLeft(int newLeft, ScrollBehavior scrollBehavior = ScrollBehaviorAuto) { setScrollLeftInternal(newLeft, scrollBehavior); }
+    void setScrollLeft(const Dictionary& scrollOptionsHorizontal, ExceptionState&);
+    void setScrollTop(int newTop, ScrollBehavior scrollBehavior = ScrollBehaviorAuto) { setScrollTopInternal(newTop, scrollBehavior); }
+    void setScrollTop(const Dictionary& scrollOptionsVertical, ExceptionState&);
     virtual int scrollWidth();
     virtual int scrollHeight();
 
     IntRect boundsInRootViewSpace();
 
     PassRefPtrWillBeRawPtr<ClientRectList> getClientRects();
     PassRefPtrWillBeRawPtr<ClientRect> getBoundingClientRect();
 
     // Returns the absolute bounding box translated into screen coordinates:
     IntRect screenRect() const;
@@ skipping 331 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:
     bool hasElementFlag(ElementFlags mask) const { return hasRareData() && hasElementFlagInternal(mask); }
     void setElementFlag(ElementFlags, bool value = true);
     void clearElementFlag(ElementFlags);
     bool hasElementFlagInternal(ElementFlags) const;
 
     void styleAttributeChanged(const AtomicString& newStyleString, AttributeModificationReason);
 
     void updatePresentationAttributeStyle();
 
@@ skipping 309 matching lines @@
     static PassRefPtrWillBeRawPtr<T> create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
     PassRefPtrWillBeRawPtr<T> T::create(const QualifiedName& tagName, Document& document) \
     { \
         return adoptRefWillBeNoop(new T(tagName, document)); \
     }
 
 } // namespace
 
 #endif