Merge pull request #303 from kitwtnb/fix-build-error-for-main-actor-isolation

Fix build error for MainActor isolation.

Source/Library/LayoutConfigurable.swift

@@ -1,4 +1,4 @@
 protocol LayoutConfigurable: AnyObject {
-
+  @MainActor
   func configureLayout()
 }

Source/Library/LightboxTransition.swift

@@ -96,11 +96,11 @@ class LightboxTransition: UIPercentDrivenInteractiveTransition {
 
 extension LightboxTransition: UIViewControllerAnimatedTransitioning {
 
-  func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
+  func transitionDuration(using transitionContext: (any UIViewControllerContextTransitioning)?) -> TimeInterval {
     return 0.25
   }
 
-  func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
+  func animateTransition(using transitionContext: any UIViewControllerContextTransitioning) {
     let container = transitionContext.containerView
 
     guard let fromView = transitionContext.view(forKey: UITransitionContextViewKey.from),
@@ -133,23 +133,23 @@ extension LightboxTransition: UIViewControllerAnimatedTransitioning {
 
 extension LightboxTransition: UIViewControllerTransitioningDelegate {
 
-  func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+  func animationController(forDismissed dismissed: UIViewController) -> (any UIViewControllerAnimatedTransitioning)? {
     dismissing = true
     return self
   }
 
   func animationController(forPresented presented: UIViewController,
                            presenting: UIViewController,
-                           source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+                           source: UIViewController) -> (any UIViewControllerAnimatedTransitioning)? {
     dismissing = false
     return self
   }
 
-  func interactionControllerForDismissal(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
+  func interactionControllerForDismissal(using animator: any UIViewControllerAnimatedTransitioning) -> (any UIViewControllerInteractiveTransitioning)? {
     return interactive ? self : nil
   }
 
-  func interactionControllerForPresentation(using animator: UIViewControllerAnimatedTransitioning) -> UIViewControllerInteractiveTransitioning? {
+  func interactionControllerForPresentation(using animator: any UIViewControllerAnimatedTransitioning) -> (any UIViewControllerInteractiveTransitioning)? {
     return interactive ? self : nil
   }
 }

Source/LightboxConfig.swift

@@ -9,6 +9,7 @@ public class LightboxConfig {
   public static var imageBackgroundColor = UIColor.black
 
   /// Provide a closure to handle selected video
+  @MainActor
   public static var handleVideo: (_ from: UIViewController, _ videoURL: URL) -> Void = { from, videoURL in
     let videoController = AVPlayerViewController()
     videoController.player = AVPlayer(url: videoURL)
@@ -22,6 +23,7 @@ public class LightboxConfig {
   public static var loadImage: ((UIImageView, URL, ((UIImage?) -> Void)?) -> Void)?
 
   /// Indicator is used to show while image is being fetched
+  @MainActor
   public static var makeLoadingIndicator: () -> UIView = {
     return LoadingIndicator()
   }

Source/LightboxController.swift

@@ -1,29 +1,29 @@
 import UIKit
 
 public protocol LightboxControllerPageDelegate: AnyObject {
-
+  @MainActor
   func lightboxController(_ controller: LightboxController, didMoveToPage page: Int)
 }
 
 public protocol LightboxControllerDismissalDelegate: AnyObject {
-
+  @MainActor
   func lightboxControllerWillDismiss(_ controller: LightboxController)
 }
 
 public protocol LightboxControllerTouchDelegate: AnyObject {
-
+  @MainActor
   func lightboxController(_ controller: LightboxController, didTouch image: LightboxImage, at index: Int)
 }
 
 public protocol LightboxControllerTapDelegate: AnyObject {
-    
+  @MainActor
   func lightboxController(_ controller: LightboxController, didTap image: LightboxImage, at index: Int)
-    
+  @MainActor
   func lightboxController(_ controller: LightboxController, didDoubleTap image: LightboxImage, at index: Int)
 }
 
 public protocol LightboxControllerDeleteDelegate: AnyObject {
-
+  @MainActor
   func lightboxController(_ controller: LightboxController, willDeleteAt index: Int)
 }
 
@@ -148,11 +148,11 @@ open class LightboxController: UIViewController {
     }
   }
 
-  open weak var pageDelegate: LightboxControllerPageDelegate?
-  open weak var dismissalDelegate: LightboxControllerDismissalDelegate?
-  open weak var imageTouchDelegate: LightboxControllerTouchDelegate?
-  open weak var imageTapDelegate: LightboxControllerTapDelegate?
-  open weak var imageDeleteDelegate: LightboxControllerDeleteDelegate?
+  open weak var pageDelegate: (any LightboxControllerPageDelegate)?
+  open weak var dismissalDelegate: (any LightboxControllerDismissalDelegate)?
+  open weak var imageTouchDelegate: (any LightboxControllerTouchDelegate)?
+  open weak var imageTapDelegate: (any LightboxControllerTapDelegate)?
+  open weak var imageDeleteDelegate: (any LightboxControllerDeleteDelegate)?
   open internal(set) var presented = false
   open fileprivate(set) var seen = false
 
@@ -232,7 +232,7 @@ open class LightboxController: UIViewController {
 
   // MARK: - Rotation
 
-  override open func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
+  override open func viewWillTransition(to size: CGSize, with coordinator: any UIViewControllerTransitionCoordinator) {
     super.viewWillTransition(to: size, with: coordinator)
 
     coordinator.animate(alongsideTransition: { _ in

Source/Views/FooterView.swift

@@ -1,7 +1,7 @@
 import UIKit
 
 public protocol FooterViewDelegate: AnyObject {
-
+  @MainActor
   func footerView(_ footerView: FooterView, didExpand expanded: Bool)
 }
 
@@ -35,7 +35,7 @@ open class FooterView: UIView {
   }()
 
   let gradientColors = [UIColor(hex: "040404").withAlphaComponent(0.1), UIColor(hex: "040404")]
-  open weak var delegate: FooterViewDelegate?
+  open weak var delegate: (any FooterViewDelegate)?
 
   // MARK: - Initializers
 

Source/Views/HeaderView.swift

@@ -1,7 +1,9 @@
 import UIKit
 
 protocol HeaderViewDelegate: AnyObject {
+  @MainActor
   func headerView(_ headerView: HeaderView, didPressDeleteButton deleteButton: UIButton)
+  @MainActor
   func headerView(_ headerView: HeaderView, didPressCloseButton closeButton: UIButton)
 }
 
@@ -60,7 +62,7 @@ open class HeaderView: UIView {
     return button
   }()
 
-  weak var delegate: HeaderViewDelegate?
+  weak var delegate: (any HeaderViewDelegate)?
 
   // MARK: - Initializers
 

Source/Views/InfoLabel.swift

@@ -1,7 +1,7 @@
 import UIKit
 
 public protocol InfoLabelDelegate: AnyObject {
-
+  @MainActor
   func infoLabel(_ infoLabel: InfoLabel, didExpand expanded: Bool)
 }
 
@@ -20,7 +20,7 @@ open class InfoLabel: UILabel {
     return "... \(LightboxConfig.InfoLabel.ellipsisText)"
   }
 
-  open weak var delegate: InfoLabelDelegate?
+  open weak var delegate: (any InfoLabelDelegate)?
   fileprivate var shortText = ""
 
   var fullText: String {

Source/Views/PageView.swift

@@ -1,12 +1,17 @@
 import UIKit
 
 protocol PageViewDelegate: AnyObject {
-
+  @MainActor
   func pageViewDidZoom(_ pageView: PageView)
+  @MainActor
   func remoteImageDidLoad(_ image: UIImage?, imageView: UIImageView)
+  @MainActor
   func pageView(_ pageView: PageView, didTouchPlayButton videoURL: URL)
+  @MainActor
   func pageViewDidTouch(_ pageView: PageView)
+  @MainActor
   func pageViewDidTap(_ pageView: PageView)
+  @MainActor
   func pageViewDidDoubleTap(_ pageView: PageView)}
 
 class PageView: UIScrollView {
@@ -50,7 +55,7 @@ class PageView: UIScrollView {
 
   var image: LightboxImage
   var contentFrame = CGRect.zero
-  weak var pageViewDelegate: PageViewDelegate?
+  weak var pageViewDelegate: (any PageViewDelegate)?
 
   var hasZoomed: Bool {
     return zoomScale != 1.0