[Webkit-unassigned] [Bug 219074] New: scroll-padding should affect paging operations

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=219074

            Bug ID: 219074
           Summary: scroll-padding should affect paging operations
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Scrolling
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mrobinson at webkit.org

The specification [1] reads:

These offsets reduce the region of the scrollport that is considered “viewable” for scrolling operations: they have no effect on layout, on the scroll origin or initial position, or on whether or not an element is considered actually visible, but should affect whether an element or the caret is considered scrolled into view (e.g. for targetting or focusing operations), and reduce the amount of scrolling for paging operations (such as using the PgUp and PgDn keys or triggering equivalent operations from the scrollbar) so that within the optimal viewing region of the scrollport the user sees a continuous stream of content.

This bug is specifically for tracking the implementation of scroll-padding's effect on paging operations.

1. https://drafts.csswg.org/css-scroll-snap-1/#propdef-scroll-padding

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