[Webkit-unassigned] [Bug 194349] New: Video overlays sometimes disappear

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Feb 6 11:24:20 PST 2019


https://bugs.webkit.org/show_bug.cgi?id=194349

            Bug ID: 194349
           Summary: Video overlays sometimes disappear
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Macintosh
                OS: macOS 10.14
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: daytonlowell at me.com

Steps to reproduce:
1. Go to a site that has a video overlay in STP. I can reproduce here: https://www.apple.com/investor/earnings-call/ and also on Twitch.tv and YouTube(seems to be a bit harder to reproduce here).
2. Play the video
3. While the video is playing, mouse over the video, and back out(may have to do it multiple times)

Expected Results:
The overlay controls appear and disappear correctly based on the mouse-over state.

Observed Results:
The overlay will sometimes be in a confused state where the overlay doesn't appear on mouse-over but the buttons are still clickable(you'll get different cursor-pointers when you mouse-over where a button would be and clicks perform the desired action)

Additional Notes:
* I started noticing this bug at least as far back as STP 73.
* On the Apple earnings call video, I can look at the inspector and see that the user-hover and mouse-leave classes are being applied correctly for the expected state. It seems to only be an issue with the rendering of the video controls themselves.
* This bug is NOT present in the shipping version of Safari(12.0.3) on macOS Mojave(10.14.3)

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