[Webkit-unassigned] [Bug 209470] New: Taps near top of viewport in landscape orientation go unregistered

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209470

            Bug ID: 209470
           Summary: Taps near top of viewport in landscape orientation go
                    unregistered
           Product: WebKit
           Version: Safari 13
          Hardware: iPhone / iPad
                OS: iOS 13
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: UI Events
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ilari at patrikka.fi

Button clicks or apparently other tap events neart the top of the viewport (30-50px area) don't get picked up, if phone is in landscape orientation and the browser address bar is hidden.

Steps to reproduce:

1. Open https://jkpjt.csb.app/ on iOS 13.x Safari
2. Scroll down to hide address bar
3. Tap "Open overlay"
4. Rotate the phone to landscape mode
5. Tap "Alert"

→ Nothing happens.

If you switch back to portrait mode the button starts working again.

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