[Webkit-unassigned] [Bug 253974] New: [UI-side compositing] Move repositioning the header and footer layer to the scrolling tree

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Wed Mar 15 11:32:26 PDT 2023


https://bugs.webkit.org/show_bug.cgi?id=253974

            Bug ID: 253974
           Summary: [UI-side compositing] Move repositioning the header
                    and footer layer to the scrolling tree
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: sabouhallawa at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

This is a followup of 261597 at main. We need to push the header/footer layers onto the scrolling tree in the UI process so that ScrollingTreeFrameScrollingNodeMac::repositionRelatedLayers() can reposition them on scrolling.

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