[Webkit-unassigned] [Bug 60604] Slider Stays Active After Generated MouseDown Event

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=60604





--- Comment #2 from Dimitri Glazkov (Google) <dglazkov at chromium.org>  2011-05-19 11:31:11 PST ---
(In reply to comment #0)
> Created an attachment (id=93066)
 --> (https://bugs.webkit.org/attachment.cgi?id=93066&action=review) [details]
> [REDUCTION] Test Case
> 
> Noticed while manually testing fast/forms/slider-zoomed.html
> 
> Further reduction attached.
> 
> The <input type="range"> slider is "stuck on following mouse events"
> when a generated mouse event hits the slider. I have a feeling this
> may be problematic.
> 
> Maybe when SliderThumbElement::startDragging is called, it should
> check to see there was a real user action behind it, otherwise it
> should act as just a mouseup/down combination without enabling
> dragging?

Cool. Checking for user action seems reasonable.

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