Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: fa91023df56d96bfa2e2a0930f77f22f31f2ef30
https://github.com/WebKit/WebKit/commit/fa91023df56d96bfa2e2a0930f77f22f31f2ef30
Author: Richard Robinson <[email protected]>
Date: 2026-07-29 (Wed, 29 Jul 2026)
Changed paths:
A LayoutTests/http/tests/site-isolation/full-viewport-iframe-expected.html
A LayoutTests/http/tests/site-isolation/full-viewport-iframe.html
M LayoutTests/platform/ios-site-isolation/TestExpectations
M Source/WebKit/WebProcess/WebPage/WebFrame.cpp
Log Message:
-----------
[Site Isolation] [iOS] A full-sized iframe within its parent is not visible
https://bugs.webkit.org/show_bug.cgi?id=320535
rdar://183493532
Reviewed by Aditya Keerthi.
The existing logic in `WebFrame::updateLocalFrameRect` to set the exposed
content rect and unobscured
content size mostly worked, but fails when the iframe is the full size of the
viewport. This is
because in this case, its possible only the origin may change, or nothing will
change, instead of the
size actually changing.
Fix by making that logic always run so it works in all cases (and adjust the
rest of the function accordingly).
Test: http/tests/site-isolation/full-viewport-iframe.html
* LayoutTests/http/tests/site-isolation/full-viewport-iframe-expected.html:
Added.
* LayoutTests/http/tests/site-isolation/full-viewport-iframe.html: Added.
* LayoutTests/platform/ios-site-isolation/TestExpectations:
* Source/WebKit/WebProcess/WebPage/WebFrame.cpp:
(WebKit::WebFrame::updateLocalFrameRect):
Canonical link: https://commits.webkit.org/318192@main
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