iOS: Guard all uses of APIs not available in application extensions

Change-Id: Ic058a0c07f6cdd0a015f46db96fce1536a712711
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>

1 files changed, 8 insertions, 1 deletions

diff --git a/src/plugins/platforms/ios/qiosinputcontext.mm b/src/plugins/platforms/ios/qiosinputcontext.mm
index 050c592aca..493c283ec1 100644
--- a/src/plugins/platforms/ios/qiosinputcontext.mm
+++ b/src/plugins/platforms/ios/qiosinputcontext.mm
@@ -49,6 +49,8 @@
 #include "qioswindow.h"
 #include "quiview.h"
 
+#include <QtCore/private/qcore_mac_p.h>
+
 #include <QGuiApplication>
 #include <QtGui/private/qwindow_p.h>
 
@@ -536,6 +538,11 @@ void QIOSInputContext::scroll(int y)
     if (!rootView)
         return;
 
+    if (qt_apple_isApplicationExtension()) {
+        qWarning() << "can't scroll root view in application extension";
+        return;
+    }
+
     CATransform3D translationTransform = CATransform3DMakeTranslation(0.0, -y, 0.0);
     if (CATransform3DEqualToTransform(translationTransform, rootView.layer.sublayerTransform))
         return;
@@ -574,7 +581,7 @@ void QIOSInputContext::scroll(int y)
 
             // Raise all known windows to above the status-bar if we're scrolling the screen,
             // while keeping the relative window level between the windows the same.
-            NSArray *applicationWindows = [[UIApplication sharedApplication] windows];
+            NSArray *applicationWindows = [qt_apple_sharedApplication() windows];
             static QHash<UIWindow *, UIWindowLevel> originalWindowLevels;
             for (UIWindow *window in applicationWindows) {
                 if (keyboardScrollIsActive && !originalWindowLevels.contains(window))