wireguard-apple/Sources/WireGuardApp/UI/iOS/ConfirmationAlertPresenter....

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Swift
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// SPDX-License-Identifier: MIT
// Copyright © 2018-2019 WireGuard LLC. All Rights Reserved.
import UIKit
class ConfirmationAlertPresenter {
static func showConfirmationAlert(message: String, buttonTitle: String, from sourceObject: AnyObject, presentingVC: UIViewController, onConfirmed: @escaping (() -> Void)) {
let destroyAction = UIAlertAction(title: buttonTitle, style: .destructive) { _ in
onConfirmed()
}
let cancelAction = UIAlertAction(title: tr("actionCancel"), style: .cancel)
let alert = UIAlertController(title: "", message: message, preferredStyle: .actionSheet)
alert.addAction(destroyAction)
alert.addAction(cancelAction)
if let sourceView = sourceObject as? UIView {
alert.popoverPresentationController?.sourceView = sourceView
alert.popoverPresentationController?.sourceRect = sourceView.bounds
} else if let sourceBarButtonItem = sourceObject as? UIBarButtonItem {
alert.popoverPresentationController?.barButtonItem = sourceBarButtonItem
}
presentingVC.present(alert, animated: true, completion: nil)
}
}