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//
// UINavigationControllerExtensions.swift
// SwifterSwift
//
// Created by Omar Albeik on 8/6/16.
// Copyright © 2016 SwifterSwift
//
#if canImport(UIKit) && !os(watchOS)
import UIKit
// MARK: - Methods
public extension UINavigationController {
/// SwifterSwift: Pop ViewController with completion handler.
///
/// - Parameters:
/// - animated: Set this value to true to animate the transition (default is true).
/// - completion: optional completion handler (default is nil).
public func popViewController(animated: Bool = true, _ completion: (() -> Void)? = nil) {
// https://github.com/cotkjaer/UserInterface/blob/master/UserInterface/UIViewController.swift
CATransaction.begin()
CATransaction.setCompletionBlock(completion)
popViewController(animated: animated)
CATransaction.commit()
}
/// SwifterSwift: Push ViewController with completion handler.
///
/// - Parameters:
/// - viewController: viewController to push.
/// - completion: optional completion handler (default is nil).
public func pushViewController(_ viewController: UIViewController, completion: (() -> Void)? = nil) {
// https://github.com/cotkjaer/UserInterface/blob/master/UserInterface/UIViewController.swift
CATransaction.begin()
CATransaction.setCompletionBlock(completion)
pushViewController(viewController, animated: true)
CATransaction.commit()
}
/// SwifterSwift: Make navigation controller's navigation bar transparent.
///
/// - Parameter tint: tint color (default is .white).
public func makeTransparent(withTint tint: UIColor = .white) {
navigationBar.setBackgroundImage(UIImage(), for: .default)
navigationBar.shadowImage = UIImage()
navigationBar.isTranslucent = true
navigationBar.tintColor = tint
navigationBar.titleTextAttributes = [.foregroundColor: tint]
}
}
#endif