[webkit-changes] [WebKit/WebKit] d24752: Make LayerRepaintRects internal to RenderLayer

[Simon Fraser]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: d24752c38292065d9216c2adbd11a6f60f2b750c
      https://github.com/WebKit/WebKit/commit/d24752c38292065d9216c2adbd11a6f60f2b750c
  Author: Simon Fraser <simon.fraser at apple.com>
  Date:   2023-11-10 (Fri, 10 Nov 2023)

  Changed paths:
    M Source/WebCore/rendering/LegacyLineLayout.cpp
    M Source/WebCore/rendering/RenderLayer.cpp
    M Source/WebCore/rendering/RenderLayer.h
    M Source/WebCore/rendering/RenderLayerModelObject.cpp
    M Source/WebCore/rendering/RenderLayerModelObject.h
    M Source/WebCore/rendering/RenderLayerScrollableArea.cpp

  Log Message:
  -----------
  Make LayerRepaintRects internal to RenderLayer
https://bugs.webkit.org/show_bug.cgi?id=264530
rdar://118203951

Reviewed by Chris Dumez.

There are two call sites that make use of RenderLayer's cached repaint rects, but
they both use only the clippedOverflowRect, not the outlineBoundsRect, so we can
hide RepaintRects inside of RenderLayer, and only expose the cachedClippedOverflowRect()
to those two clients.

* Source/WebCore/rendering/LegacyLineLayout.cpp:
(WebCore::LegacyLineLayout::layoutRunsAndFloats):
* Source/WebCore/rendering/RenderLayer.cpp:
(WebCore::RenderLayer::cachedClippedOverflowRect const):
(WebCore::RenderLayer::setRepaintRects):
(WebCore::RenderLayer::shouldRepaintAfterLayout const):
* Source/WebCore/rendering/RenderLayer.h:
(WebCore::RenderLayer::repaintRects const):
* Source/WebCore/rendering/RenderLayerModelObject.cpp:
(WebCore::RenderLayerModelObject::styleDidChange):
(WebCore::RenderLayerModelObject::cachedLayerClippedOverflowRect const):
(WebCore::RenderLayerModelObject::layerRepaintRects const): Deleted.
* Source/WebCore/rendering/RenderLayerModelObject.h:
* Source/WebCore/rendering/RenderLayerScrollableArea.cpp:
(WebCore::RenderLayerScrollableArea::scrollTo):

Canonical link: https://commits.webkit.org/270550@main