jamesrochabrun

// 1
protocol CombineAPI {
    var session: URLSession { get }
    func execute<T>(_ request: URLRequest, decodingType: T.Type, queue: DispatchQueue, retries: Int) -> AnyPublisher<T, Error> where T: Decodable
}

// 2
extension CombineAPI {
    
    func execute<T>(_ request: URLRequest,

jamesrochabrun

// 1
@main
struct SwiftUIMoviesApp: App {
    // 2
    @StateObject private var model = MoviesProvider()

    // 3
    var body: some Scene {
        WindowGroup {
            // 4

jamesrochabrun

// 1
struct GenericList<Element,  RowContent: View>: View where Element: Identifiable {
    
    // 2
    private let items: [Element]
    private let rowContent: (Element) -> RowContent

    // 3
    public init(_ items: [Element], @ViewBuilder rowContent: @escaping (Element) -> RowContent) {
        self.items = items

jamesrochabrun

import UIKit

class Vc: UIViewController {
    var top: CGFloat? { 8  }
}

let viewController = Vc()
let a: CGFloat = 1.0
let b: CGFloat = 2.0
let result = (viewController as? Vc)?.top ?? a < b ? 10 : 15

jamesrochabrun

class FrameTransitionAnimator: NSObject {

    enum OverlayType {
        case dim
        case blur(style: UIBlurEffect.Style)
    }
    
    enum DimTransitionMode: Int {
        case present, dismiss

jamesrochabrun

/// 1
protocol DisplayModeUpdatable {
    func displayModeWillChangeTo(_ displayMode: UISplitViewController.DisplayMode)
    func displayModeDidChangeTo(_ displayMode: UISplitViewController.DisplayMode)
}

////
@objc func togglePrefferDisplayModeExecutingCompletion(_ executing: Bool = true) {
        UIView.animate(withDuration: 0.3, animations: {
            self.preferredDisplayMode = self.displayMode == .allVisible ? .primaryHidden : .allVisible

jamesrochabrun

    
    /// 1
    lazy var displayModeCustomButton: Button = {
        let button = Button(type: .system, image: SplitViewControllerViewModel.displayModeButtonImageFor(self.displayMode), target: self, selector: #selector(togglePrefferDisplayModeExecutingCompletion))
        button.constrainWidth(constant: 44.0)
        button.constrainHeight(constant: 44.0)
        button.imageEdgeInsets = .init(top: 8.0, left: 8.0, bottom: 8.0, right: 8.0)
        return button
    }()

jamesrochabrun

// In UserProfileViewController (the master) we need:

// 1
protocol UserProfileFeedSelectionDelegate: AnyObject {
    func postSelectedAt(_ indexPath: IndexPath)
}
// 2
weak var delegate: UserProfileFeedSelectionDelegate?
// 3
lazy private var contentDetailViewController: ContentDetailViewcontroller = {

jamesrochabrun

/// 1 convenience init.
    convenience init(viewControllers: [UIViewController]) {
        self.init()
      /// 2 set master and detail, it takes an array of view controllers.
        self.viewControllers = viewControllers
      /// 3 preferredDisplayMode, it defines the display mode of the split view controller,
      /// .allVisible will display both master and detail.
        preferredDisplayMode = .allVisible            
      /// set the delegate to self to allow the `SplitViewController` handle the UISplitViewControllerDelegate methods.
        super.delegate = self

jamesrochabrun

class TabBarController: UITabBarController {
    
    override func viewDidLoad() {
        super.viewDidLoad()
      /// 1 - Set view Controllers using `TabBarViewModel`
      /// 2 - This iteration will create a master veiw controller embedded in a navigation controller for each tab.
      /// 3 - `inSplitViewControllerIfSupported` is a `UINavigationController` extension method that will embed it in a `UISplitViewController` if supported. 
      /// we will see the implementation later.
        viewControllers = TabBarViewModel.allCases.map { NavigationController(rootViewController: $0.masterViewController).inSplitViewControllerIfSupported(for: $0) }
    }