omits setMouseDownCanMoveWindow call for OffScreenView

gerhardberger · gerhardberger · commit 0bb5dabf9996 · 2016-08-04T12:00:35.000+02:00
diff --git a/atom/browser/native_window_mac.mm b/atom/browser/native_window_mac.mm
@@ -1128,7 +1128,9 @@ static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
   NSInteger webViewWidth = NSWidth([webView bounds]);
   NSInteger webViewHeight = NSHeight([webView bounds]);
 
-  [webView setMouseDownCanMoveWindow:YES];
+  if ([webView respondsToSelector:@selector(setMouseDownCanMoveWindow:)]) {
+    [webView setMouseDownCanMoveWindow:YES];
+  }
 
   // Remove all ControlRegionViews that are added last time.
   // Note that [webView subviews] returns the view's mutable internal array and
