//
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// UIWindowExtensions.swift
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// SwifterSwift
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//
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// Created by Omar Albeik on 6/2/18.
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// Copyright © 2018 SwifterSwift
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//
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#if canImport(UIKit) && os(iOS)
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import UIKit
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// MARK: - Methods
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public extension UIWindow {
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/// SwifterSwift: Switch current root view controller with a new view controller.
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///
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/// - Parameters:
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/// - viewController: new view controller.
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/// - animated: set to true to animate view controller change (default is true).
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/// - duration: animation duration in seconds (default is 0.5).
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/// - options: animation options (default is .transitionFlipFromRight).
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/// - completion: optional completion handler called after view controller is changed.
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func switchRootViewController(
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to viewController: UIViewController,
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animated: Bool = true,
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duration: TimeInterval = 0.5,
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options: UIView.AnimationOptions = .transitionFlipFromRight,
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_ completion: (() -> Void)? = nil) {
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guard animated else {
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rootViewController = viewController
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completion?()
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return
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}
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UIView.transition(with: self, duration: duration, options: options, animations: {
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let oldState = UIView.areAnimationsEnabled
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UIView.setAnimationsEnabled(false)
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self.rootViewController = viewController
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UIView.setAnimationsEnabled(oldState)
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}, completion: { _ in
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completion?()
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})
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}
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}
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#endif
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