[Webkit-unassigned] [Bug 195046] New: Video text track changed VIA javascript are not reflected in native iOS text/audio UI

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 26 06:49:51 PST 2019


https://bugs.webkit.org/show_bug.cgi?id=195046

            Bug ID: 195046
           Summary: Video text track changed VIA javascript are not
                    reflected in native iOS text/audio UI
           Product: WebKit
           Version: Safari 12
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Media
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: oren.me at gmail.com

Created attachment 362982

  --> https://bugs.webkit.org/attachment.cgi?id=362982&action=review

Incorrect UI when changing text tracks VIA javascript

1. Load any HLS with text track
2. Start playback
3. Set active text track via javascript, i.e. video.textTracks[0].mode = "showing"
4. Open native text/audio menu

Expected:
The UI should show that the first text track is set as active

Actual:
The UI is not updated and shows the incorrect text option


The native UI just doesn't update correctly, this is especially a pain point in iOS where players that are playing in inline playback have their own UI, and when user goes to fullscreen the UI is of the iOS system and doing changes in either native or HTML5 rendered UI is not reflected between them.
The issue is more than just the above repro steps, it happens in more use cases and just causes a lot of issues.

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