[Webkit-unassigned] [Bug 45572] WebAccessibilityCacheImpl needs to handle invalid accessibility object ids

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sun Sep 12 23:03:48 PDT 2010


https://bugs.webkit.org/show_bug.cgi?id=45572





--- Comment #9 from chris fleizach <cfleizach at apple.com>  2010-09-12 23:03:48 PST ---
(In reply to comment #8)
> > after calling updateBackingStore() it's possible that m_private will be invalidated (on the WebCore side at least, where it's called m_object). 
> > you should probably confirm that the object is still valid after calling this method
> I'm adding this method to determine if the WebAccessibilityObject is valid. Perhaps I should just name this method isValid(). An invalid WebCore::AccessibilityObject has an ID of 0.

yea, if updateBackingStore is just checking validity, it should be renamed.

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