Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: cc76b52970313c929ffe2570f568b52e686ea50a
      
https://github.com/WebKit/WebKit/commit/cc76b52970313c929ffe2570f568b52e686ea50a
  Author: Richard Robinson <[email protected]>
  Date:   2026-06-29 (Mon, 29 Jun 2026)

  Changed paths:
    M Source/WebCore/platform/RectEdges.h
    M Source/WebKit/Configurations/WebKit.xcconfig
    M Source/WebKit/DerivedSources-input.xcfilelist
    M Source/WebKit/DerivedSources-output.xcfilelist
    M Source/WebKit/DerivedSources.make
    M Source/WebKit/Modules/Internal/module.modulemap
    M Source/WebKit/UIProcess/mac/WKAppKitGestureController.h
    M Source/WebKit/UIProcess/mac/WKAppKitGestureController.mm
    A Source/WebKit/UIProcess/mac/WKAppKitGestureController.swift
    M Source/WebKit/WebKit.xcodeproj/project.pbxproj

  Log Message:
  -----------
  [AppKit Gestures] Adopt the 
`NSPanGestureRecognizer._shouldRecognize(forDelta:)` SPI for 
WKPanGestureRecognizer
https://bugs.webkit.org/show_bug.cgi?id=318040
rdar://180824633

Reviewed by Abrar Rahman Protyasha.

Also take the opportunity to convert `WKPanGestureRecognizer` to Swift.

* Source/WebCore/platform/RectEdges.h:
Annotate some functions to specify the lifetimes of their returned value.

* Source/WebKit/Modules/Internal/module.modulemap:
Add WKAppKitGestureController to the module so Swift can see it

* Source/WebKit/UIProcess/mac/WKAppKitGestureController.h:
Expose some methods/properties so that the Objective-C and Swift sides of 
WKAppKitGestureController can interop.
These will be removed as more of the file becomes Swift.

* Source/WebKit/UIProcess/mac/WKAppKitGestureController.mm:
(-[WKAppKitGestureController webView]):
(-[WKAppKitGestureController panGestureRecognizer]):
(-[WKAppKitGestureController setPanGestureRecognizer:]):
(-[WKPanGestureRecognizer initWithPage:target:action:]): Deleted.
(-[WKPanGestureRecognizer shouldRecognizeForDelta:]): Deleted.
(-[WKAppKitGestureController setUpPanGestureRecognizer]): Deleted.
Remove the Obj-C implementation

* Source/WebKit/UIProcess/mac/WKAppKitGestureController.swift: Added.
(WKPanGestureRecognizer.webView):
(WKPanGestureRecognizer._shouldRecognize(forDelta:)):
(WKAppKitGestureController.setUpPanGestureRecognizer):
* Source/WebKit/WebKit.xcodeproj/project.pbxproj:
Implementation in Swift, and use the 
`NSPanGestureRecognizer._shouldRecognize(forDelta:)` SPI.

Canonical link: https://commits.webkit.org/316070@main



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