Implement select element list box with shadow DOM.

Source/WebCore/accessibility/AccessibilityListBox.cpp

 /*
  * Copyright (C) 2008 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
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 112 matching lines @@
     }    
 }
 
 void AccessibilityListBox::visibleChildren(AccessibilityChildrenVector& result)
 {
     ASSERT(result.isEmpty());
     
     if (!hasChildren())
         addChildren();
     
-    unsigned length = m_children.size();
-    for (unsigned i = 0; i < length; i++) {
-        if (toRenderListBox(m_renderer)->listIndexIsVisible(i))
-            result.append(m_children[i]);
-    }
+//    unsigned length = m_children.size();

[yosin_UTC9, 2013/04/23 03:43:25]

You may forget to remove this fragment.

+//    for (unsigned i = 0; i < length; i++) {
+//        if (toRenderListBox(m_renderer)->listIndexIsVisible(i))
+//            result.append(m_children[i]);
+//    }
 }
 
 AccessibilityObject* AccessibilityListBox::listBoxOptionAccessibilityObject(HTMLElement* element) const
 {
     // skip hr elements
     if (!element || element->hasTagName(hrTag))
         return 0;
     
     AccessibilityObject* listBoxObject = m_renderer->document()->axObjectCache()->getOrCreate(ListBoxOptionRole);
     static_cast<AccessibilityListBoxOption*>(listBoxObject)->setHTMLElement(element);
     
     return listBoxObject;
 }
     
 AccessibilityObject* AccessibilityListBox::elementAccessibilityHitTest(const IntPoint& point) const
 {
     // the internal HTMLSelectElement methods for returning a listbox option at a point
     // ignore optgroup elements.
     if (!m_renderer)
         return 0;
     
     Node* node = m_renderer->node();
     if (!node)
         return 0;
     
-    LayoutRect parentRect = boundingBoxRect();
+//    LayoutRect parentRect = boundingBoxRect();

[yosin_UTC9, 2013/04/23 03:43:25]

You may forget to remove this fragment.

     
     AccessibilityObject* listBoxOption = 0;
-    unsigned length = m_children.size();
-    for (unsigned i = 0; i < length; i++) {
-        LayoutRect rect = toRenderListBox(m_renderer)->itemBoundingBoxRect(parentRect.location(), i);
-        // The cast to HTMLElement below is safe because the only other possible listItem type
-        // would be a WMLElement, but WML builds don't use accessibility features at all.
-        if (rect.contains(point)) {
-            listBoxOption = m_children[i].get();
-            break;
-        }
-    }
+//    unsigned length = m_children.size();
+//    for (unsigned i = 0; i < length; i++) {
+//        LayoutRect rect = toRenderListBox(m_renderer)->itemBoundingBoxRect(parentRect.location(), i);
+//        // The cast to HTMLElement below is safe because the only other possible listItem type
+//        // would be a WMLElement, but WML builds don't use accessibility features at all.
+//        if (rect.contains(point)) {
+//            listBoxOption = m_children[i].get();
+//            break;
+//        }
+//    }
     
     if (listBoxOption && !listBoxOption->accessibilityIsIgnored())
         return listBoxOption;
     
     return axObjectCache()->getOrCreate(m_renderer);
 }
 
 } // namespace WebCore