Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 3c69d0dd8ba0f144f14946792a8209d67712c0e8
      
https://github.com/WebKit/WebKit/commit/3c69d0dd8ba0f144f14946792a8209d67712c0e8
  Author: Lily Spiniolas <lily_spinio...@apple.com>
  Date:   2025-09-15 (Mon, 15 Sep 2025)

  Changed paths:
    M 
LayoutTests/imported/w3c/web-platform-tests/pointerevents/pointerevent_sequence_at_implicit_release_on_click_mouse-expected.txt
    M 
LayoutTests/imported/w3c/web-platform-tests/pointerevents/pointerevent_sequence_at_implicit_release_on_click_pen-expected.txt
    M Source/WebCore/page/EventHandler.cpp

  Log Message:
  -----------
  Extra boundary events may fire when pointer capture released
https://bugs.webkit.org/show_bug.cgi?id=274642
rdar://128669549

Reviewed by Abrar Rahman Protyasha.

Since `EventHandler::updateMouseEventTargetNode` will dispatch boundary events, 
call it
in `EventHandler::pointerCaptureElementDidChange` only when pointer capture is 
received,
not released. When capture is released, the PointerCaptureController already 
handles the
appropriate boundary events.

This behavior is tested by
`imported/w3c/web-platform-tests/pointerevents/pointerevent_sequence_at_implicit_release_on_click.html`.

* 
LayoutTests/imported/w3c/web-platform-tests/pointerevents/pointerevent_sequence_at_implicit_release_on_click_mouse-expected.txt:
* 
LayoutTests/imported/w3c/web-platform-tests/pointerevents/pointerevent_sequence_at_implicit_release_on_click_pen-expected.txt:
* Source/WebCore/page/EventHandler.cpp:
(WebCore::EventHandler::pointerCaptureElementDidChange):

Canonical link: https://commits.webkit.org/299977@main



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