Spatial navigation enhancements

Source/core/html/HTMLElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 74 matching lines @@
 
     HTMLFormElement* findFormAncestor() const;
 
     bool hasDirectionAuto() const;
     TextDirection directionalityIfhasDirAutoAttribute(bool& isAuto) const;
 
     virtual bool isHTMLUnknownElement() const { return false; }
 
     virtual bool isLabelable() const { return false; }
 
+    virtual void defaultEventHandler(Event*) OVERRIDE;
+
 protected:
     HTMLElement(const QualifiedName& tagName, Document*, ConstructionType);
 
     void addHTMLLengthToStyle(MutableStylePropertySet*, CSSPropertyID, const String& value);
     void addHTMLColorToStyle(MutableStylePropertySet*, CSSPropertyID, const String& color);
 
     void applyAlignmentAttributeToStyle(const AtomicString&, MutableStylePropertySet*);
     void applyBorderAttributeToStyle(const AtomicString&, MutableStylePropertySet*);
 
     virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
@@ skipping 15 matching lines @@
     PassRefPtr<DocumentFragment> textToFragment(const String&, ExceptionCode&);
 
     void dirAttributeChanged(const AtomicString&);
     void adjustDirectionalityIfNeededAfterChildAttributeChanged(Element* child);
     void adjustDirectionalityIfNeededAfterChildrenChanged(Node* beforeChange, int childCountDelta);
     TextDirection directionality(Node** strongDirectionalityTextNode= 0) const;
 
     TranslateAttributeMode translateAttributeMode() const;
 
     AtomicString eventNameForAttributeName(const QualifiedName& attrName) const;
+
+    void handleKeypressEvent(KeyboardEvent*);
+    bool supportsSpatialNavigationFocus() const;
 };
 
 inline HTMLElement* toHTMLElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isHTMLElement());
     return static_cast<HTMLElement*>(node);
 }
 
 inline const HTMLElement* toHTMLElement(const Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->isHTMLElement());
     return static_cast<const HTMLElement*>(node);
 }
 
 // This will catch anyone doing an unnecessary cast.
 void toHTMLElement(const HTMLElement*);
 
 inline HTMLElement::HTMLElement(const QualifiedName& tagName, Document* document, ConstructionType type = CreateHTMLElement)
     : StyledElement(tagName, document, type)
 {
     ASSERT(tagName.localName().impl());
     ScriptWrappable::init(this);
 }
 
 } // namespace WebCore
 
 #endif // HTMLElement_h