Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 1b57a2e0de6aad8821281cd336b13ab56f57d19e
https://github.com/WebKit/WebKit/commit/1b57a2e0de6aad8821281cd336b13ab56f57d19e
Author: Nikolaos Mouchtaris <nmouchta...@apple.com>
Date: 2023-07-03 (Mon, 03 Jul 2023)
Changed paths:
M Source/WebCore/platform/Scrollbar.cpp
M Source/WebCore/platform/Scrollbar.h
M Source/WebCore/platform/ScrollbarsController.h
M Source/WebCore/platform/mac/ScrollbarThemeMac.mm
M
Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteScrollbarsController.h
Log Message:
-----------
[UI-side compositing] NSScrollerImps are still created in the web process
(triggering CATransactions)
https://bugs.webkit.org/show_bug.cgi?id=258369
rdar://109689491
Reviewed by Simon Fraser.
With UI-side compositing, NSScrollerImps are now kept in the UI-process for all
scrollbars
except for RenderListBox scrollbars. To prevent the unnecessary creation of
NSScrollerImps
in the web process in ScrollbarThemeMac::registerScrollbar, check if the
scrollbar is one
of a RenderListBox and if we have a RemoteScrollbarsController.
* Source/WebCore/platform/ScrollableArea.cpp:
(WebCore::ScrollableArea::shouldRegisterScrollbars const):
* Source/WebCore/platform/ScrollableArea.h:
* Source/WebCore/platform/Scrollbar.cpp:
(WebCore::Scrollbar::shouldRegisterScrollbar const):
* Source/WebCore/platform/Scrollbar.h:
* Source/WebCore/platform/ScrollbarsController.h:
(WebCore::ScrollbarsController::shouldRegisterScrollbars const):
* Source/WebCore/platform/mac/ScrollbarThemeMac.mm:
(WebCore::ScrollbarThemeMac::registerScrollbar):
* Source/WebKit/WebProcess/WebPage/RemoteLayerTree/RemoteScrollbarsController.h:
Canonical link: https://commits.webkit.org/265731@main
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