Use visibleToHitTesting() in RenderLayerBacking::updateAfterDescendan…

…ts() instead of pointer-events check

https://bugs.webkit.org/show_bug.cgi?id=230681

Reviewed by Antti Koivisto.

The new check should account for inert as well once we implement it in RenderStyle.

* rendering/RenderLayerBacking.cpp:
(WebCore::RenderLayerBacking::updateAfterDescendants):


Canonical link: https://commits.webkit.org/242047@main
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@282957 268f45cc-cd09-0410-ab3c-d52691b4dbfc

Source/WebCore/ChangeLog

@@ -1,3 +1,15 @@
+2021-09-23  Tim Nguyen  <ntim@apple.com>
+
+        Use visibleToHitTesting() in RenderLayerBacking::updateAfterDescendants() instead of pointer-events check
+        https://bugs.webkit.org/show_bug.cgi?id=230681
+
+        Reviewed by Antti Koivisto.
+
+        The new check should account for inert as well once we implement it in RenderStyle.
+
+        * rendering/RenderLayerBacking.cpp:
+        (WebCore::RenderLayerBacking::updateAfterDescendants):
+
 2021-09-23  Tim Nguyen  <ntim@apple.com>
 
         AX: Split out isInert from isAXHidden on AccessibilityObject

Source/WebCore/rendering/RenderLayerBacking.cpp

@@ -1590,7 +1590,7 @@ void RenderLayerBacking::updateAfterDescendants()
     if (m_scrollContainerLayer) {
         m_scrollContainerLayer->setContentsVisible(renderer().style().visibility() == Visibility::Visible);
 
-        bool userInteractive = renderer().style().pointerEvents() != PointerEvents::None;
+        bool userInteractive = renderer().visibleToHitTesting();
         m_scrollContainerLayer->setUserInteractionEnabled(userInteractive);
         if (m_layerForHorizontalScrollbar)
             m_layerForHorizontalScrollbar->setUserInteractionEnabled(userInteractive);