31 lines
899 B
Swift
31 lines
899 B
Swift
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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extension UIApplication {
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var frontmostViewControllerIgnoringAlerts: UIViewController? {
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return findFrontmostViewController(ignoringAlerts:true)
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}
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var frontmostViewController: UIViewController? {
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return findFrontmostViewController(ignoringAlerts:false)
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}
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internal func findFrontmostViewController(ignoringAlerts: Bool) -> UIViewController? {
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let window = UIApplication.shared.keyWindow
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guard let viewController = window!.rootViewController else {
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owsFail("\(self.logTag) in \(#function) Missing root view controller.")
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return nil
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}
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return viewController.findFrontmostViewController(ignoringAlerts)
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}
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func openSystemSettings() {
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openURL(URL(string: UIApplicationOpenSettingsURLString)!)
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}
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}
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