NetNewsWire/iOS/MasterTimeline/MarkAsReadAlertController.s...

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Swift
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//
// UndoAvailableAlertController.swift
// NetNewsWire
//
// Created by Phil Viso on 9/29/19.
// Copyright © 2019 Ranchero Software. All rights reserved.
//
import Foundation
import UIKit
protocol MarkAsReadAlertControllerSourceType {}
extension CGRect: MarkAsReadAlertControllerSourceType {}
extension UIView: MarkAsReadAlertControllerSourceType {}
extension UIBarButtonItem: MarkAsReadAlertControllerSourceType {}
struct MarkAsReadAlertController {
static func confirm<T>(_ controller: UIViewController?,
coordinator: SceneCoordinator?,
confirmTitle: String,
sourceType: T,
cancelCompletion: (() -> Void)? = nil,
completion: @escaping () -> Void) where T: MarkAsReadAlertControllerSourceType {
guard let controller = controller, let coordinator = coordinator else {
completion()
return
}
if AppDefaults.shared.confirmMarkAllAsRead {
let alertController = MarkAsReadAlertController.alert(coordinator: coordinator, confirmTitle: confirmTitle, cancelCompletion: cancelCompletion, sourceType: sourceType) { _ in
completion()
}
controller.present(alertController, animated: true)
} else {
completion()
}
}
private static func alert<T>(coordinator: SceneCoordinator,
confirmTitle: String,
cancelCompletion: (() -> Void)?,
sourceType: T,
completion: @escaping (UIAlertAction) -> Void) -> UIAlertController where T: MarkAsReadAlertControllerSourceType {
let title = NSLocalizedString("Mark As Read", comment: "Mark As Read")
let message = NSLocalizedString("You can turn this confirmation off in settings.",
comment: "You can turn this confirmation off in settings.")
let cancelTitle = NSLocalizedString("Cancel", comment: "Cancel")
let settingsTitle = NSLocalizedString("Open Settings", comment: "Open Settings")
let alertController = UIAlertController(title: title, message: message, preferredStyle: .actionSheet)
let cancelAction = UIAlertAction(title: cancelTitle, style: .cancel) { _ in
cancelCompletion?()
}
let settingsAction = UIAlertAction(title: settingsTitle, style: .default) { _ in
coordinator.showSettings(scrollToArticlesSection: true)
}
let markAction = UIAlertAction(title: confirmTitle, style: .default, handler: completion)
alertController.addAction(markAction)
alertController.addAction(settingsAction)
alertController.addAction(cancelAction)
if let barButtonItem = sourceType as? UIBarButtonItem {
alertController.popoverPresentationController?.barButtonItem = barButtonItem
}
if let rect = sourceType as? CGRect {
alertController.popoverPresentationController?.sourceRect = rect
}
if let view = sourceType as? UIView {
alertController.popoverPresentationController?.sourceView = view
}
return alertController
}
}