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//
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// RouteComposer
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// ActionBox.swift
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// https://github.com/ekazaev/route-composer
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//
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// Created by Eugene Kazaev in 2018-2022.
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// Distributed under the MIT license.
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//
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// Become a sponsor:
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// https://github.com/sponsors/ekazaev
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//
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import Foundation
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import UIKit
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struct ActionBox<A: Action>: AnyAction, AnyActionBox, CustomStringConvertible, MainThreadChecking {
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let action: A
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init(_ action: A) {
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self.action = action
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}
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func perform(with viewController: UIViewController,
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on existingController: UIViewController,
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with postponedIntegrationHandler: PostponedActionIntegrationHandler,
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nextAction: AnyAction?,
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animated: Bool,
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completion: @escaping (RoutingResult) -> Void) {
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guard let typedExistingViewController = existingController as? A.ViewController else {
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completion(.failure(RoutingError.typeMismatch(type: type(of: existingController),
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expectedType: ActionType.ViewController.self,
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.init("Action \(action.self) cannot be performed on \(existingController)."))))
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return
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}
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assertIfNotMainThread()
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postponedIntegrationHandler.purge(animated: animated, completion: { result in
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guard result.isSuccessful else {
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completion(result)
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return
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}
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self.action.perform(with: viewController, on: typedExistingViewController, animated: animated) { result in
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self.assertIfNotMainThread()
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completion(result)
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}
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})
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}
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func perform(embedding viewController: UIViewController, in childViewControllers: inout [UIViewController]) {
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childViewControllers.append(viewController)
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}
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public var description: String {
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String(describing: action)
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}
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func isEmbeddable(to container: ContainerViewController.Type) -> Bool {
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false
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}
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}
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