changeset:   659713:2cf85addfa7a
tag:         tip
parent:      659711:25045b498bff
user:        stransky <stransky@redhat.com>
date:        Tue Apr 11 16:34:42 2023 +0200
files:       widget/gtk/nsWindow.cpp
description:
Bug 1827429 [Wayland] Call NotifyOcclusionState(OcclusionState::VISIBLE) from nsWindow::OnExposeEvent() as we know the window is visible r?emilio

Differential Revision: https://phabricator.services.mozilla.com/D175138


diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
--- a/widget/gtk/nsWindow.cpp
+++ b/widget/gtk/nsWindow.cpp
@@ -3730,9 +3730,14 @@ void nsWindow::CreateCompositorVsyncDisp
 
 gboolean nsWindow::OnExposeEvent(cairo_t* cr) {
   // Send any pending resize events so that layout can update.
-  // May run event loop.
+  // May run event loop and destroy us.
   MaybeDispatchResized();
-
+  if (mIsDestroyed) {
+    return FALSE;
+  }
+
+  // This might destroy us.
+  NotifyOcclusionState(OcclusionState::VISIBLE);
   if (mIsDestroyed) {
     return FALSE;
   }