[Webkit-unassigned] [Bug 58837] Fieldset disabled attribute does not work

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=58837





--- Comment #13 from Kent Tamura <tkent at chromium.org>  2011-04-26 08:01:01 PST ---
(In reply to comment #12)
> One thing in my mind is to pass fieldset parent when HTMLFormControlElement is constructed like form parent.

It will work only if the control is created by the parser.  It won't work for Document::createElement().

HTMLFormControlElement::disabled() is always called in CSS style matching.  So lazy-evaluation for m_fieldSet won't help.

It is slow because we need to traverse to the root if there is no fieldset ancestor.  We need a efficient way to check existence of fieldset elements.

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