[Webkit-unassigned] [Bug 127760] Change a logic for touching slider in "RangeInput::handleTouchEvent"

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=127760





--- Comment #16 from Gyuyoung Kim <gyuyoung.kim at webkit.org>  2014-06-23 18:30:32 PST ---
(From update of attachment 228361)
View in context: https://bugs.webkit.org/attachment.cgi?id=228361&action=review

> Source/WebCore/ChangeLog:8
> +        If we touch thumb and track, slider should move from first touch. 

I don't still understand this description. So, I'm not 100% sure if my change is correct though, I modify this description as below,

When we touch thumb or track widget, *slider* on the thumb or track widgets is moved by first touch. However the slider under current implementation is worked by second touch. Because the slider is influenced by targetTouches() function as well. However, thumb and track widgets aren't same target widget, so those aren't able to be recognized by multiple touches. To fix this problem, we need to use *touches()* function instead of the *targetTouches()*

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