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//
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// RouteComposer
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// DetailsNavigationFinder.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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/// `Finder` that helps to find the `UINavigationController` inside of the details of the `UISplitController`
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public struct DetailsNavigationFinder<C>: Finder {
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// MARK: Associated types
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public typealias ViewController = UINavigationController
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public typealias Context = C
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// MARK: Properties
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/// A `StackIterator` is to be used by `ClassFinder`
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public let iterator: StackIterator
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// MARK: Methods
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/// Constructor
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///
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/// - Parameter iterator: A `StackIterator` is to be used by `ClassFinder`
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public init(iterator: StackIterator = RouteComposerDefaults.shared.stackIterator) {
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self.iterator = iterator
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}
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public func findViewController(with context: Context) throws -> ViewController? {
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guard let splitViewController = try ClassFinder<UISplitViewController, Context>(iterator: iterator).findViewController(with: context) else {
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return nil
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}
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guard splitViewController.viewControllers.count > 1 else {
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guard let firstNavigationController = splitViewController.viewControllers.first as? UINavigationController,
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let secondNavigationController = firstNavigationController.viewControllers.last as? UINavigationController else {
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return nil
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}
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return secondNavigationController
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}
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return splitViewController.viewControllers.last as? UINavigationController
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}
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}
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/// Extension to use `DefaultStackIterator` as default iterator.
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public extension DetailsNavigationFinder {
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/// Constructor
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///
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/// Parameters
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/// - options: A combination of the `SearchOptions`
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/// - startingPoint: `DefaultStackIterator.StartingPoint` value
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/// - windowProvider: `WindowProvider` instance.
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/// - containerAdapterLocator: A `ContainerAdapterLocator` instance.
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init(options: SearchOptions,
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startingPoint: DefaultStackIterator.StartingPoint = .topmost,
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windowProvider: WindowProvider = RouteComposerDefaults.shared.windowProvider,
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containerAdapterLocator: ContainerAdapterLocator = RouteComposerDefaults.shared.containerAdapterLocator) {
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let iterator = DefaultStackIterator(options: options,
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startingPoint: startingPoint,
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windowProvider: windowProvider,
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containerAdapterLocator: containerAdapterLocator)
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self.init(iterator: iterator)
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}
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}
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