[Webkit-unassigned] [Bug 261053] New: A few pixels on top are uninteractable in landscape mode in web app

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Sep 1 16:51:28 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=261053

            Bug ID: 261053
           Summary: A few pixels on top are uninteractable in landscape
                    mode in web app
           Product: WebKit
           Version: Safari 16
          Hardware: iPhone / iPad
                OS: iOS 16
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: yuweih at google.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

It appears that in landscape mode in web app, events are not fired for touches happened at the top ~10 pixels. This is presumably where the status bar would reside if it was visible. The issue is not reproducible in portrait mode, nor in a regular native app.

Repro:

1. Visit https://ywh233.github.io/
2. Add the site to home screen
3. Open the site from the icon on home screen
4. Rotate phone to landscape
5. Tap `iOS unresponsive top area in landscape mode repro`
6. Try to tap `Tap here` a few times

Expected:

The dialog should pop up every single time you tap the link

Actual:

The dialog only pops up if you tap the lower part of the link. While in portrait mode, the link seems to be much more responsive.

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