[SVG2] Add tabindex handling in svg.

Source/core/html/HTMLElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2011 Motorola Mobility. 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 288 matching lines @@
         attributeNameToEventNameMap.set(onwebkitfullscreenerrorAttr.localName(), EventTypeNames::webkitfullscreenerror);
         attributeNameToEventNameMap.set(onwebkittransitionendAttr.localName(), EventTypeNames::webkitTransitionEnd);
         attributeNameToEventNameMap.set(onwheelAttr.localName(), EventTypeNames::wheel);
     }
 
     return attributeNameToEventNameMap.get(attrName.localName());
 }
 
 void HTMLElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
-    if (name == dirAttr)
+    if (name == tabindexAttr)
+        return Element::parseAttribute(name, value);
+
+    if (name == dirAttr) {
         dirAttributeChanged(value);
-    else if (name == tabindexAttr) {
-        int tabindex = 0;
-        if (value.isEmpty()) {
-            clearTabIndexExplicitlyIfNeeded();
-            if (treeScope().adjustedFocusedElement() == this) {
-                // We might want to call blur(), but it's dangerous to dispatch
-                // events here.
-                document().setNeedsFocusedElementCheck();
-            }
-        } else if (parseHTMLInteger(value, tabindex)) {
-            // Clamp tabindex to the range of 'short' to match Firefox's behavior.
-            setTabIndexExplicitly(max(static_cast<int>(std::numeric_limits<short>::min()), min(tabindex, static_cast<int>(std::numeric_limits<short>::max()))));
-        }
     } else {
         const AtomicString& eventName = eventNameForAttributeName(name);
         if (!eventName.isNull())
             setAttributeEventListener(eventName, createAttributeEventListener(this, name, value));
     }
 }
 
 PassRefPtr<DocumentFragment> HTMLElement::textToFragment(const String& text, ExceptionState& exceptionState)
 {
     RefPtr<DocumentFragment> fragment = DocumentFragment::create(document());
@@ skipping 154 matching lines @@
 
     if (verticalAlignValue != CSSValueInvalid)
         addPropertyToPresentationAttributeStyle(style, CSSPropertyVerticalAlign, verticalAlignValue);
 }
 
 bool HTMLElement::hasCustomFocusLogic() const
 {
     return false;
 }
 
-bool HTMLElement::supportsSpatialNavigationFocus() const
-{
-    // This function checks whether the element satisfies the extended criteria
-    // for the element to be focusable, introduced by spatial navigation feature,
-    // i.e. checks if click or keyboard event handler is specified.
-    // This is the way to make it possible to navigate to (focus) elements
-    // which web designer meant for being active (made them respond to click events).
-
-    if (!document().settings() || !document().settings()->spatialNavigationEnabled())
-        return false;
-    return hasEventListeners(EventTypeNames::click)
-        || hasEventListeners(EventTypeNames::keydown)
-        || hasEventListeners(EventTypeNames::keypress)
-        || hasEventListeners(EventTypeNames::keyup);
-}
-
-bool HTMLElement::supportsFocus() const
-{
-    // FIXME: supportsFocus() can be called when layout is not up to date.
-    // Logic that deals with the renderer should be moved to rendererIsFocusable().
-    // But supportsFocus must return true when the element is editable, or else
-    // it won't be focusable. Furthermore, supportsFocus cannot just return true
-    // always or else tabIndex() will change for all HTML elements.
-    return Element::supportsFocus() || (rendererIsEditable() && parentNode() && !parentNode()->rendererIsEditable())
-        || supportsSpatialNavigationFocus();
-}
-
 String HTMLElement::contentEditable() const
 {
     const AtomicString& value = fastGetAttribute(contenteditableAttr);
 
     if (value.isNull())
         return "inherit";
     if (value.isEmpty() || equalIgnoringCase(value, "true"))
         return "true";
     if (equalIgnoringCase(value, "false"))
          return "false";
@@ skipping 53 matching lines @@
     return fastGetAttribute(titleAttr);
 }
 
 short HTMLElement::tabIndex() const
 {
     if (supportsFocus())
         return Element::tabIndex();
     return -1;
 }
 
-void HTMLElement::setTabIndex(int value)
-{
-    setIntegralAttribute(tabindexAttr, value);
-}
-
 TranslateAttributeMode HTMLElement::translateAttributeMode() const
 {
     const AtomicString& value = getAttribute(translateAttr);
 
     if (value == nullAtom)
         return TranslateAttributeInherit;
     if (equalIgnoringCase(value, "yes") || equalIgnoringCase(value, ""))
         return TranslateAttributeYes;
     if (equalIgnoringCase(value, "no"))
         return TranslateAttributeNo;
@@ skipping 384 matching lines @@
 #ifndef NDEBUG
 
 // For use in the debugger
 void dumpInnerHTML(WebCore::HTMLElement*);
 
 void dumpInnerHTML(WebCore::HTMLElement* element)
 {
     printf("%s\n", element->innerHTML().ascii().data());
 }
 #endif