WebKit merge 40722:40785 (part 1)

third_party/WebKit/WebCore/wml/WMLAElement.cpp

 /**
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  * Copyright (C) 2003, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 83 matching lines @@
 {
     if (!isFocusable())
         return false;
     
     if (!document()->frame())
         return false;
 
     if (!document()->frame()->eventHandler()->tabsToLinks(event))
         return false;
 
+    if (!renderer() || !renderer()->isBoxModelObject())
+        return false;
+
     // Before calling absoluteRects, check for the common case where the renderer
     // is non-empty, since this is a faster check and almost always returns true.
-    RenderBox* box = toRenderBox(renderer());
+    RenderBoxModelObject* box = toRenderBoxModelObject(renderer());
     if (!box->borderBoundingBox().isEmpty())
         return true;
 
     Vector<IntRect> rects;
     FloatPoint absPos = renderer()->localToAbsolute();
     renderer()->absoluteRects(rects, absPos.x(), absPos.y());
     size_t n = rects.size();
     for (size_t i = 0; i < n; ++i)
         if (!rects[i].isEmpty())
             return true;
@@ skipping 52 matching lines @@
 
 String WMLAElement::target() const
 {
     return getAttribute(HTMLNames::targetAttr);
 }
 
 }
 
 #endif