Emit title change event asynchronously

Ammends 445235bc01. Preserve some previous assumptions on order of
change events for url and title. Fixes flaky failures in previously
written tests like WebEngineViewSource::test_viewSource.

Fixes: QTBUG-81855
Change-Id: I487d27d594d5a0d74d39b7b58e815e5c75a73fb3
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
Reviewed-by: Jüri Valdmann <juri.valdmann@qt.io>

1 files changed, 4 insertions, 1 deletions

diff --git a/src/core/web_contents_delegate_qt.cpp b/src/core/web_contents_delegate_qt.cpp
index c1cf1f659..7b339776b 100644
--- a/src/core/web_contents_delegate_qt.cpp
+++ b/src/core/web_contents_delegate_qt.cpp
@@ -199,7 +199,10 @@ void WebContentsDelegateQt::NavigationStateChanged(content::WebContents* source,
         QString newTitle = toQt(source->GetTitle());
         if (m_title != newTitle) {
             m_title = newTitle;
-            m_viewClient->titleChanged(m_title);
+            QTimer::singleShot(0, [delegate = AsWeakPtr(), title = newTitle] () {
+                if (delegate)
+                    delegate->adapterClient()->titleChanged(title);
+            });
         }
     }