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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| // | ||
| // Copyright © 2020 Standard Chartered. All rights reserved. | ||
| // | ||
|
|
||
| import Combine | ||
| import LeakDetector | ||
| import UIKit | ||
|
|
||
| open class BaseCoordinator<T>: UINavigationController, Coordinator { | ||
|
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| public let dependency: T | ||
| private var cancellables = Set<AnyCancellable>() | ||
|
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| private var trackingViewControllers = WeakSet<UIViewController>() | ||
|
|
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| public init(with dependency: T) { | ||
| self.dependency = dependency | ||
| super.init(nibName: nil, bundle: nil) | ||
| } | ||
|
|
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| @available(*, unavailable) | ||
| public required init?(coder aDecoder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
|
|
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| open func start() {} | ||
|
|
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| open func navigate(to destination: Destination, presentInModal: Bool = false, animated: Bool) { | ||
| guard let viewController = makeViewController(for: destination) else { | ||
| return | ||
| } | ||
|
|
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| trackingViewControllers.insert(viewController) | ||
|
|
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| if presentInModal { | ||
| present(viewController, animated: animated, completion: nil) | ||
| return | ||
| } | ||
|
|
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| if viewControllers.isEmpty { | ||
| viewControllers = [ | ||
| viewController, | ||
| ] | ||
| } else { | ||
| pushViewController(viewController, animated: animated) | ||
| } | ||
| } | ||
|
|
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| open func makeViewController(for destination: Destination) -> UIViewController? { | ||
| nil | ||
| } | ||
|
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| deinit { | ||
| guard let topViewController = topViewController else { | ||
| return | ||
| } | ||
| LeakDetector.instance.expectDeallocate(objects: trackingViewControllers).sink {}.store(in: &cancellables) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| // | ||
| // Copyright © 2020 Standard Chartered. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
|
|
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| public protocol Destination {} | ||
|
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| public protocol Coordinator: UINavigationController { | ||
| associatedtype CoordinatorDependency | ||
| var dependency: CoordinatorDependency { get } | ||
|
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| func start() | ||
| func navigate(to destination: Destination, presentInModal: Bool, animated: Bool) | ||
| } |
91 changes: 91 additions & 0 deletions
91
LeakDetectorDemo/Leak/Coordinator/CoordinatorRootViewController.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // | ||
| // Copyright © 2020 An Tran. All rights reserved. | ||
| // | ||
|
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| import Foundation | ||
| import UIKit | ||
|
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| class CoordinatorRootViewController: LeakDetectableTableViewController { | ||
|
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| private enum Scenarios { | ||
|
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| enum Leak: String, CaseIterable { | ||
| case coordinator1 = "Leak - 1" | ||
| } | ||
|
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| enum NoLeak: String, CaseIterable { | ||
| case coordinator1 = "No Leak - 1" | ||
| } | ||
| } | ||
|
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| override func viewDidLoad() { | ||
| super.viewDidLoad() | ||
| title = "Coordinator" | ||
| } | ||
|
|
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| override func numberOfSections(in tableView: UITableView) -> Int { | ||
| 2 | ||
| } | ||
|
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| override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? { | ||
| switch section { | ||
| case 0: | ||
| return "Leak" | ||
| case 1: | ||
| return "No Leak" | ||
| default: | ||
| fatalError("invalid section") | ||
| } | ||
| } | ||
|
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| override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { | ||
| switch section { | ||
| case 0: | ||
| return Scenarios.Leak.allCases.count | ||
| case 1: | ||
| return Scenarios.NoLeak.allCases.count | ||
| default: | ||
| fatalError("invalid section") | ||
| } | ||
| } | ||
|
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| override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { | ||
| let cell = tableView.dequeueReusableCell(withIdentifier: "Cell") ?? UITableViewCell(style: .default, reuseIdentifier: "Cell") | ||
|
|
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| switch indexPath.section { | ||
| case 0: | ||
| cell.textLabel?.text = Scenarios.Leak.allCases[indexPath.row].rawValue | ||
| case 1: | ||
| cell.textLabel?.text = Scenarios.NoLeak.allCases[indexPath.row].rawValue | ||
| default: | ||
| fatalError("invalid section") | ||
| } | ||
| return cell | ||
| } | ||
|
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| override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) { | ||
| switch indexPath.section { | ||
| case 0: | ||
| let scenario = Scenarios.Leak.allCases[indexPath.row] | ||
| switch scenario { | ||
| case .coordinator1: | ||
| let viewController = CoordinatorViewController() | ||
| viewController.title = scenario.rawValue | ||
| weakViewController = viewController | ||
| navigationController?.pushViewController(viewController, animated: true) | ||
| } | ||
| case 1: | ||
| let scenario = Scenarios.NoLeak.allCases[indexPath.row] | ||
| switch scenario { | ||
| case .coordinator1: | ||
| let viewController = NoLeakDelegateViewController1() | ||
| viewController.title = scenario.rawValue | ||
| weakViewController = viewController | ||
| navigationController?.pushViewController(viewController, animated: true) | ||
| } | ||
|
|
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| default: | ||
| fatalError("invalid section") | ||
| } | ||
| } | ||
| } |
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