[webkit-changes] [WebKit/WebKit] c3a46a: [scroll-anchoring] Exclude absolutely positioned e...

[Nikos Mouchtaris]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: c3a46a009b283eb50ea3aac59bc0881a44620de1
      https://github.com/WebKit/WebKit/commit/c3a46a009b283eb50ea3aac59bc0881a44620de1
  Author: Nikolaos Mouchtaris <nmouchtaris at apple.com>
  Date:   2023-11-10 (Fri, 10 Nov 2023)

  Changed paths:
    M LayoutTests/imported/w3c/web-platform-tests/css/css-scroll-anchoring/abspos-containing-block-outside-scroller-expected.txt
    M Source/WebCore/page/scrolling/ScrollAnchoringController.cpp

  Log Message:
  -----------
  [scroll-anchoring] Exclude absolutely positioned elements with containing blocks outside the parent scroller
https://bugs.webkit.org/show_bug.cgi?id=262329
rdar://116201738

Reviewed by Simon Fraser.

Exclude absolutely positioned elements with containing blocks outside the parent scroller.

* LayoutTests/imported/w3c/web-platform-tests/css/css-scroll-anchoring/abspos-containing-block-outside-scroller-expected.txt:
* Source/WebCore/page/scrolling/ScrollAnchoringController.cpp:
(WebCore::absolutePositionedElementOutsideScroller):
(WebCore::ScrollAnchoringController::computeOffset):
(WebCore::ScrollAnchoringController::examineCandidate):

Canonical link: https://commits.webkit.org/270551@main