3 files changed, 5 insertions, 22 deletions
diff --git a/src/plugins/platforms/ios/qiosviewcontroller.mm b/src/plugins/platforms/ios/qiosviewcontroller.mm
index 0a6a00b753..2fe679fc20 100644
--- a/src/plugins/platforms/ios/qiosviewcontroller.mm
+++ b/src/plugins/platforms/ios/qiosviewcontroller.mm
@@ -44,6 +44,9 @@
 #include <QtGui/QGuiApplication>
 #include <QtGui/QWindow>
 #include <QtGui/QScreen>
+
+#include <QtGui/private/qwindow_p.h>
+
 #include "qiosscreen.h"
 #include "qiosglobal.h"
 #include "qioswindow.h"
@@ -105,11 +108,10 @@
     if (hiddenFromPlist)
         return YES;
     QWindow *focusWindow = QGuiApplication::focusWindow();
-    if (!focusWindow || !focusWindow->handle())
+    if (!focusWindow)
         return [UIApplication sharedApplication].statusBarHidden;
 
-    QWindow *topLevel = static_cast<QIOSWindow *>(focusWindow->handle())->topLevelWindow();
-    return topLevel->windowState() == Qt::WindowFullScreen;
+    return qt_window_private(focusWindow)->topLevelWindow()->windowState() == Qt::WindowFullScreen;
 }
 
 @end
diff --git a/src/plugins/platforms/ios/qioswindow.h b/src/plugins/platforms/ios/qioswindow.h
index 8a5eb589d2..fc99543aa6 100644
--- a/src/plugins/platforms/ios/qioswindow.h
+++ b/src/plugins/platforms/ios/qioswindow.h
@@ -87,8 +87,6 @@ public:
 
     WId winId() const { return WId(m_view); };
 
-    QWindow *topLevelWindow() const;
-
 private:
     void applyGeometry(const QRect &rect);
 
diff --git a/src/plugins/platforms/ios/qioswindow.mm b/src/plugins/platforms/ios/qioswindow.mm
index 7a0ff055ec..15a52e89ec 100644
--- a/src/plugins/platforms/ios/qioswindow.mm
+++ b/src/plugins/platforms/ios/qioswindow.mm
@@ -636,23 +636,6 @@ void QIOSWindow::setParent(const QPlatformWindow *parentWindow)
     }
 }
 
-QWindow *QIOSWindow::topLevelWindow() const
-{
-    QWindow *window = this->window();
-    while (window) {
-        QWindow *parent = window->parent();
-        if (!parent)
-            parent = window->transientParent();
-
-        if (!parent)
-            break;
-
-        window = parent;
-    }
-
-    return window;
-}
-
 void QIOSWindow::requestActivateWindow()
 {
     // Note that several windows can be active at the same time if they exist in the same