Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: cda556736068075939b7b429c415aef864adf9f5
https://github.com/WebKit/WebKit/commit/cda556736068075939b7b429c415aef864adf9f5
Author: Wenson Hsieh <[email protected]>
Date: 2025-05-24 (Sat, 24 May 2025)
Changed paths:
A LayoutTests/fast/events/no-autoscroll-over-content-inset-expected.txt
A LayoutTests/fast/events/no-autoscroll-over-content-inset.html
M Source/WebCore/page/EventHandler.cpp
Log Message:
-----------
[macOS] Dragging the Safari window makes page start autoscrolling
https://bugs.webkit.org/show_bug.cgi?id=293517
rdar://151778621
Reviewed by Abrar Rahman Protyasha.
Don't allow autoscrolling to begin, in the case where the mousedown is
happening outside of the
visual viewport. When obscured content insets are applied, this can happen in
the case where the
user is clicking and dragging inside one of the inset areas. While this doesn't
hit-test to any DOM
nodes, it currently still allows autoscrolling to start, which conflicts with
dragging to move the
window.
Fix this by setting `m_mouseDownMayStartAutoscroll` to `false` in the case
where the mouse event
location is outside of the visual viewport (which does not include obscured
content insets).
* LayoutTests/fast/events/no-autoscroll-over-content-inset-expected.txt: Added.
* LayoutTests/fast/events/no-autoscroll-over-content-inset.html: Added.
* Source/WebCore/page/EventHandler.cpp:
(WebCore::EventHandler::handleMousePressEvent):
Canonical link: https://commits.webkit.org/295392@main
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