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August 31, 2017 11:26
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UIWindow Presentation Context - Get top most presented UIViewController of UIWindow
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| // https://hashaam.com/2017/08/31/uiwindow-presentation-context/ | |
| extension UIWindow { | |
| func presentationContext(context: UIViewController? = nil) -> UIViewController? { | |
| var presentationContextViewController = rootViewController | |
| if let context = context { | |
| presentationContextViewController = context | |
| } | |
| if presentationContextViewController?.presentedViewController == nil { | |
| if let navigationController = presentationContextViewController as? UINavigationController { | |
| return navigationController.topViewController | |
| } | |
| return presentationContextViewController | |
| } | |
| return presentationContext(context: presentationContextViewController?.presentedViewController) | |
| } | |
| } |
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