tor-browser

commit 454f6f9ce1d49ebb412f801ae69b4433dc133ac2
parent 160d4f9b3114a7b249c83c1a2d5f600b933f78c7
Author: Emilio Cobos Álvarez <emilio@crisal.io>
Date:   Tue,  7 Oct 2025 06:18:18 +0000

Bug 1992635 - Make GetLayerPoint use the target frame's pres shell. r=smaug

It seems
`mPresContext->EventStateManager()->GetEventTarget()->PresContext()`
might not be `mPresContext`? That's rather weird...

Differential Revision: https://phabricator.services.mozilla.com/D267571

Diffstat:
M
dom/events/UIEvent.cpp
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dom/events/UIEvent.cpp b/dom/events/UIEvent.cpp
@@ -151,7 +151,7 @@ nsIntPoint UIEvent::GetLayerPoint() const {
   }
   // NOTE(emilio): This matches Blink to my knowledge, but it's generally not
   // super-well specified, see https://github.com/w3c/uievents/issues/398
-  RelativeTo root{mPresContext->PresShell()->GetRootFrame()};
+  RelativeTo root{targetFrame->PresShell()->GetRootFrame()};
   const nsPoint rootPoint =
       nsLayoutUtils::GetEventCoordinatesRelativeTo(mEvent, root);
   nsIFrame* layer = nsLayoutUtils::GetClosestLayer(targetFrame);