Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 0e817dab16a5d954f3ce6492fb6f7b6b4c1aa03a
      
https://github.com/WebKit/WebKit/commit/0e817dab16a5d954f3ce6492fb6f7b6b4c1aa03a
  Author: Wenson Hsieh <[email protected]>
  Date:   2025-05-20 (Tue, 20 May 2025)

  Changed paths:
    M Source/WTF/wtf/PlatformHave.h
    M Source/WebKit/Platform/spi/mac/AppKitSPI.h
    M Source/WebKit/UIProcess/API/mac/WKView.mm
    M Source/WebKit/UIProcess/API/mac/WKWebViewMac.mm
    M Source/WebKit/UIProcess/mac/WebViewImpl.h
    M Source/WebKit/UIProcess/mac/WebViewImpl.mm
    M Tools/TestWebKitAPI/Tests/TestWebKitAPI/mac/AppKitSPI.h
    M Tools/TestWebKitAPI/Tests/WebKitCocoa/ObscuredContentInsets.mm
    M Tools/TestWebKitAPI/Tests/mac/WKWebViewTitlebarSeparatorTests.mm

  Log Message:
  -----------
  [macOS] -[WKWebView scrollViewFrame] should account for left/right obscured 
content insets
https://bugs.webkit.org/show_bug.cgi?id=293318
rdar://151722135

Reviewed by Abrar Rahman Protyasha.

Adjust `-[WKWebView scrollViewFrame]` so that it's contracted inwards by the 
left and right obscured
content insets. This is consistent with `-[NSScrollView scrollViewFrame]`, 
which uses
`-[NSView _boundsAdjustedByLateralInsets]` when determining this frame.

* Source/WTF/wtf/PlatformHave.h:

Also remove the `NSSCROLLVIEW_SEPARATOR_TRACKING_ADAPTER` compile-time flag, 
since it's been
available on all macOS since Big Sur.

* Source/WebKit/Platform/spi/mac/AppKitSPI.h:
* Source/WebKit/UIProcess/API/mac/WKView.mm:
* Source/WebKit/UIProcess/API/mac/WKWebViewMac.mm:
* Source/WebKit/UIProcess/mac/WebViewImpl.h:
* Source/WebKit/UIProcess/mac/WebViewImpl.mm:
(WebKit::m_flagsChangedEventMonitorTrackingArea):
(WebKit::WebViewImpl::updateWindowAndViewFrames):
(WebKit::WebViewImpl::viewWillMoveToWindowImpl):
(WebKit::WebViewImpl::viewDidHide):
(WebKit::WebViewImpl::viewDidUnhide):
(WebKit::WebViewImpl::pageDidScroll):
(WebKit::WebViewImpl::scrollViewFrame):
* Tools/TestWebKitAPI/Tests/TestWebKitAPI/mac/AppKitSPI.h:
* Tools/TestWebKitAPI/Tests/WebKitCocoa/ObscuredContentInsets.mm:
(TestWebKitAPI::TEST(ObscuredContentInsets, ScrollViewFrameWithObscuredInsets)):

Add a simple API test to check this behavior, by setting obscured content 
insets on all sides.

* Tools/TestWebKitAPI/Tests/mac/WKWebViewTitlebarSeparatorTests.mm:

Canonical link: https://commits.webkit.org/295191@main



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