Bug 1888737 - Disable overflow/underflow events in early beta r=smaug,emilio

Differential Revision: https://phabricator.services.mozilla.com/D206175
2024-05-16 09:06:12 +00:00
parent e48ed7c741
commit 16e75323f7
4 changed files with 20 additions and 3 deletions
--- a/layout/generic/ScrollContainerFrame.cpp
+++ b/layout/generic/ScrollContainerFrame.cpp
@@ -5982,6 +5982,11 @@ void ScrollContainerFrame::PostOverflowEvent() {
    return;
  }

+  if (!nsContentUtils::IsChromeDoc(PresContext()->Document()) &&
+      !StaticPrefs::layout_overflow_underflow_content_enabled()) {
+    return;
+  }
+
  OverflowState overflowState = GetOverflowState();

  bool newVerticalOverflow = !!(overflowState & OverflowState::Vertical);