[Webkit-unassigned] [Bug 31718] Framework to show form validation message for invalid controls

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=31718





--- Comment #5 from TAMURA, Kent <tkent at chromium.org>  2010-02-18 08:32:05 PST ---
I had some investigation.

* Tooltips for title= attributes
 ChromeClient::setTooltip() doesn't pass location information. It just shows
the specified string as a tooltip, and disappears a few seconds later. A
tooltip appears at the mouse pointer position initially, and never moves.

* History completion popup in Chromium
 A history completion popup appears on the focused element, and doesn't move
even if the focused element moves.  It is implemented at outside of WebCore.

* When should we hide a validation message?
 Node::detach().  We should not show validation messages for a node with no
renderer node.

* Keep track of the target element position
 To hook layout() or paint() seems costly. I think polling the position
periodically is better.

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