31 lines
831 B
Swift
31 lines
831 B
Swift
//
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// ViewControllerState.swift
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// TPGHorizontalMenu
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//
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// Created by David Livadaru on 15/03/2017.
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// Copyright © 2017 3Pillar Global. All rights reserved.
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//
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import UIKit
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import GameplayKit
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/// State subclass which are reponsible of calling view life cycle functions without causing unbalance.
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/// For exmaple: from after viewDidLoad, viewDidAppear: cannot be called before viewWillAppear:.
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class ViewControllerState: GKState {
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let viewController: UIViewController
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var validNextStates: [AnyClass] {
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return []
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}
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init(viewController: UIViewController) {
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self.viewController = viewController
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super.init()
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}
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override func isValidNextState(_ stateClass: AnyClass) -> Bool {
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return validNextStates.index(where: { $0 == stateClass }) != nil
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}
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}
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