[Webkit-unassigned] [Bug 194813] New: [iOS] Correctly handle overlapping regions for elements with a touch-action property

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194813

            Bug ID: 194813
           Summary: [iOS] Correctly handle overlapping regions for
                    elements with a touch-action property
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: graouts at apple.com

The code we currently use to gather regions for elements with touch-action set on them is very basic and does not account for any element that might overlap it. For instance, having "touch-action: none" on an element and having another element overlap in a different hierarchy means the other element is also treated to have "touch-action: none".

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