[Webkit-unassigned] [Bug 255749] input[type="range"]: changing slot name while dragging thumb breaks interaction

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=255749

Ahmad Saleem <ahmad.saleem792 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ahmad.saleem792 at gmail.com,
                   |                            |karlcow at apple.com

--- Comment #2 from Ahmad Saleem <ahmad.saleem792 at gmail.com> ---
(In reply to sorvell from comment #0)
> If a custom element changes a slot name while an input[type="range"]'s thumb
> is being dragged and the pointer leaves the input, the interaction breaks as
> described below.
> 
> Reproduction:
> https://lit.dev/playground/#gist=710d6862ae3a2549ecb2b2d4a8663729
> 
> 1. click the "Set slot name while dragging thumb" checkbox.
> 2. drag the range's thumb and move the pointer outside the input.
> 
> Expected: The thumb drags regardless of where the pointer is and stops
> dragging when the pointer is released.
> 
> Actual: The thumb stops dragging when the pointer moves outside the input;
> and if it's released while outside the input, when it is subsequently moved
> back to the input, the thumb starts dragging again even when the pointer is
> not down.

It seems to work fine now in WebKit ToT (263968 at main). Appreciate if someone can also confirm, so we can close this.

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