From 261b901e97fffc4983057d2406a24191456304a5 Mon Sep 17 00:00:00 2001
From: stransky <stransky@redhat.com>
Date: Thu, 11 Jan 2024 07:44:07 +0000
Subject: [PATCH] Bug 1796960 [Linux] Return correct nsWindow::IsMapped state
 on X11 r=emilio

We should return correct nsWindow::IsMapped state on X11 too to prevent rendering lock to hidden windows with suspended compositor.

Differential Revision: https://phabricator.services.mozilla.com/D198144
---
 widget/gtk/nsWindow.cpp | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
index 0b1fe20b63ae..dcfdfd21c75a 100644
--- a/widget/gtk/nsWindow.cpp
+++ b/widget/gtk/nsWindow.cpp
@@ -805,11 +805,7 @@ void nsWindow::SetModal(bool aModal) {
 // nsIWidget method, which means IsShown.
 bool nsWindow::IsVisible() const { return mIsShown; }
 
-bool nsWindow::IsMapped() const {
-  // TODO: Enable for X11 when Mozilla testsuite is moved to new
-  // testing environment from Ubuntu 18.04 which is broken.
-  return GdkIsWaylandDisplay() ? mIsMapped : true;
-}
+bool nsWindow::IsMapped() const { return mIsMapped; }
 
 void nsWindow::RegisterTouchWindow() {
   mHandleTouchEvent = true;