fix: added support for Swift 6

Instructions.xcodeproj/project.pbxproj

@@ -741,7 +741,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 			};
 			name = Debug;
 		};
@@ -771,7 +771,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 			};
 			name = Release;
 		};
@@ -920,7 +920,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 			};
 			name = Debug;
 		};
@@ -949,7 +949,7 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = "";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 5.0;
+				SWIFT_VERSION = 6.0;
 			};
 			name = Release;
 		};

Sources/Instructions/Core/Internal/CoachMarksViewController.swift

@@ -108,7 +108,7 @@ class CoachMarksViewController: UIViewController {
     }
 
     deinit {
-        deregisterFromSystemEventChanges()
+        NotificationCenter.default.removeObserver(self)
     }
 
     // Called after the view was loaded.
@@ -217,7 +217,7 @@ class CoachMarksViewController: UIViewController {
     func detachFromWindow() {
         switch presentationFashion {
         case .window:
-            deregisterFromSystemEventChanges()
+            NotificationCenter.default.removeObserver(self)
             let window = view.window
             window?.isHidden = true
             window?.rootViewController = nil
@@ -227,7 +227,7 @@ class CoachMarksViewController: UIViewController {
             self.willMove(toParent: nil)
             self.view.removeFromSuperview()
             self.removeFromParent()
-            deregisterFromSystemEventChanges()
+            NotificationCenter.default.removeObserver(self)
         }
     }
 
@@ -376,10 +376,6 @@ extension CoachMarksViewController {
         center.addObserver(self, selector: #selector(restoreAfterChangeDidComplete),
                            name: UIApplication.didChangeStatusBarFrameNotification, object: nil)
     }
-
-    func deregisterFromSystemEventChanges() {
-        NotificationCenter.default.removeObserver(self)
-    }
 }
 
 // MARK: - Private Extension: User Events

Sources/Instructions/Core/Public/CoachMarksController.swift

@@ -5,6 +5,7 @@ import UIKit
 
 // MARK: - Main Class
 /// Handles a set of coach marks, and display them successively.
+@MainActor
 public class CoachMarksController {
     // MARK: - Public properties
     /// Implement the data source protocol and supply

Sources/Instructions/Extra/Default Views/CoachMarkBackgroundStyle.swift

@@ -3,13 +3,15 @@
 
 import UIKit
 
+@MainActor
 public protocol CoachMarkBackgroundStyle {
     var innerColor: UIColor { get set }
     var borderColor: UIColor { get set }
     var highlightedInnerColor: UIColor { get set }
     var highlightedBorderColor: UIColor { get set }
 }
 
+@MainActor
 public protocol CoachMarkBodyBackgroundStyle: AnyObject, CoachMarkBackgroundStyle {
     var isHighlighted: Bool { get set }
     var cornerRadius: CGFloat { get set }

Sources/Instructions/Extra/Internal/CoachMarkComponent.swift

@@ -3,6 +3,7 @@
 
 import UIKit
 
+@MainActor
 protocol CoachMarkComponent {
     var frame: CGRect { get set }
 }

Sources/Instructions/Helpers/Internal/CoachMarkInnerLayoutHelper.swift

@@ -3,6 +3,7 @@
 
 import UIKit
 
+@MainActor
 class CoachMarkInnerLayoutHelper {
     func horizontalArrowConstraints(for coachMarkViews: CoachMarkViews,
                                     withPosition position: ArrowPosition,

Sources/Instructions/Helpers/Internal/CoachMarkLayoutHelper.swift

@@ -3,7 +3,7 @@
 
 import UIKit
 
-class CoachMarkLayoutHelper {
+@MainActor class CoachMarkLayoutHelper {
     var layoutDirection: UIUserInterfaceLayoutDirection = .leftToRight
 
     // TODO: Improve the layout system. Make it smarter.

Sources/Instructions/Helpers/Public/CoachMarkHelper.swift

@@ -3,7 +3,7 @@
 
 import UIKit
 
-public class CoachMarkHelper {
+@MainActor public class CoachMarkHelper {
 
     let instructionsRootView: InstructionsRootView
     let flowManager: FlowManager

Sources/Instructions/Managers/Internal/CoachMarkDisplayManager.swift

@@ -4,7 +4,7 @@
 import UIKit
 
 /// This class deals with the layout of coach marks.
-class CoachMarkDisplayManager {
+@MainActor class CoachMarkDisplayManager {
     // MARK: - Public properties
     weak var dataSource: CoachMarksControllerProxyDataSource!
     weak var animationDelegate: CoachMarksControllerAnimationProxyDelegate?

Sources/Instructions/Managers/Internal/OverlayStyleManager/BlurringOverlayStyleManager.swift

@@ -18,7 +18,7 @@ import UIKit
 ///
 /// TODO: Look for ways to improve everything, I'm fairly confident we can optimize
 ///       a bunch of things.
-class BlurringOverlayStyleManager: OverlayStyleManager {
+@MainActor class BlurringOverlayStyleManager: OverlayStyleManager {
     // MARK: Properties
     weak var overlayView: OverlayView? {
         didSet {

Sources/Instructions/Managers/Internal/OverlayStyleManager/OverlayStyleManager.swift

@@ -6,6 +6,7 @@ import UIKit
 /// This protocol expected to be implemented by the CoachMarkController.
 /// A snapshottable object will return a snapshot view of its content.
 /// Useful when dealing with multiple windows.
+@MainActor
 protocol Snapshottable: AnyObject {
     /// Returns: A snapshot of the view hierarchy.
     func snapshot() -> UIView?
@@ -15,7 +16,7 @@ protocol Snapshottable: AnyObject {
 /// (Blurring the content behind, simple background color, etc.)
 /// Takes care of displaying and animating the overlay / cutout path (doesn't
 /// deals with the coach mark view itself).
-protocol OverlayStyleManager: AnyObject {
+@MainActor protocol OverlayStyleManager: AnyObject {
     /// The overlay managed by the styleManager.
     var overlayView: OverlayView? { get set }
 

Sources/Instructions/Managers/Internal/SkipViewDisplayManager.swift

@@ -4,7 +4,7 @@
 import UIKit
 
 /// This class deals with the layout of the "skip" view.
-class SkipViewDisplayManager {
+@MainActor class SkipViewDisplayManager {
     // MARK: - Internal properties
     /// Datasource providing the constraints to use.
     weak var dataSource: CoachMarksControllerProxyDataSource?

Sources/Instructions/Managers/Public/FlowManager.swift

@@ -3,7 +3,7 @@
 
 import UIKit
 
-public class FlowManager {
+@MainActor public class FlowManager {
     // MARK: - Internal Properties
     /// `true` if coach marks are curently being displayed, `false` otherwise.
     public var isStarted: Bool { return currentIndex > -1 }
@@ -294,13 +294,6 @@ public class FlowManager {
 
         showPreviousCoachMark(hidePrevious: true)
     }
-
-    // MARK: Renamed Public Properties
-    @available(*, unavailable, renamed: "isStarted")
-    public var started: Bool = false
-
-    @available(*, unavailable, renamed: "isPaused")
-    public var paused: Bool = false
 }
 
 extension FlowManager: CoachMarksViewControllerDelegate {

Sources/Instructions/Managers/Public/OverlayManager.swift

@@ -5,7 +5,7 @@ import UIKit
 
 // Overlay a blocking view on top of the screen and handle the cutout path
 // around the point of interest.
-public class OverlayManager {
+@MainActor public class OverlayManager {
     // MARK: - Public properties
     /// The background color of the overlay
     public var backgroundColor: UIColor = InstructionsColor.overlay {
@@ -186,19 +186,6 @@ public class OverlayManager {
             return translucentOverlayStyleManager
         }
     }
-
-    // MARK: Renamed Public Properties
-    @available(*, unavailable, renamed: "backgroundColor")
-    public var color: UIColor = InstructionsColor.overlay
-
-    @available(*, unavailable, renamed: "isUserInteractionEnabled")
-    public var allowTap: Bool = true
-
-    @available(*, unavailable, renamed: "isUserInteractionEnabledInsideCutoutPath")
-    public var allowTouchInsideCutoutPath: Bool = false
-
-    @available(*, unavailable, renamed: "areTouchEventsForwarded")
-    public var forwardTouchEvents: Bool = false
 }
 
 // swiftlint:disable class_delegate_protocol

Sources/Instructions/Protocols and Enums/Internal/CoachMarkViewControllerDelegate.swift

@@ -2,7 +2,7 @@
 // Licensed under the terms of the MIT License.
 
 /// Used by the CoachMarksViewController to notify user or system related events.
-protocol CoachMarksViewControllerDelegate: AnyObject {
+@MainActor protocol CoachMarksViewControllerDelegate: AnyObject {
     /// The given `coachMarkView` was tapped.
     ///
     /// - Parameter coachMarkView: the view that was tapped.

Sources/Instructions/Protocols and Enums/Public/CoachMarkArrowView.swift

@@ -4,6 +4,7 @@
 import UIKit
 
 /// A protocol to which all the "arrow views" of a coach mark must conform.
+@MainActor
 public protocol CoachMarkArrowView: AnyObject {
     /// A method to change the arrow highlighted state.
     /// If you feel the arrow should mirror the state of the "body view",

Sources/Instructions/Protocols and Enums/Public/CoachMarkBodyHighlightArrowDelegate.swift

@@ -6,7 +6,7 @@ import UIKit
 /// Delegate the hilight mecanism of the arrow. This protocol is
 /// useful in case the whole body itself is the active control and
 /// we want the arrow to looks like it is part of this control.
-public protocol CoachMarkBodyHighlightArrowDelegate: AnyObject {
+@MainActor public protocol CoachMarkBodyHighlightArrowDelegate: AnyObject {
 
     /// Set wethe ror not the arrow should get in its
     /// highlighted state.

Sources/Instructions/Protocols and Enums/Public/CoachMarkBodyView.swift

@@ -4,6 +4,7 @@
 import UIKit
 
 /// A protocol to which all the "body views" of a coach mark must conform.
+@MainActor
 public protocol CoachMarkBodyView: AnyObject {
     /// The control that will trigger the change between the current coach mark
     /// and the next one.

Sources/Instructions/Protocols and Enums/Public/CoachMarkSkipView.swift

@@ -4,6 +4,7 @@
 import UIKit
 
 /// A protocol to which all the "skip views" must conform.
+@MainActor
 public protocol CoachMarkSkipView: AnyObject {
     /// The control that will trigger the stop, in the display flow.
     var skipControl: UIControl? { get }

Sources/Instructions/Protocols and Enums/Public/CoachMarksControllerDataSource.swift

@@ -5,6 +5,7 @@ import UIKit
 
 /// Describe how a coachmark datasource should behave.
 /// It works a bit like `UITableViewDataSource`.
+@MainActor
 public protocol CoachMarksControllerDataSource: AnyObject {
     /// Asks for the number of coach marks to display.
     ///
@@ -66,6 +67,7 @@ public extension CoachMarksControllerDataSource {
     }
 }
 
+@MainActor
 internal protocol CoachMarksControllerProxyDataSource: AnyObject {
     /// Asks for the number of coach marks to display.
     ///

Sources/Instructions/Protocols and Enums/Public/Delegates/CoachMarksControllerAnimationDelegate.swift

@@ -4,7 +4,7 @@
 import UIKit
 
 ///
-public protocol CoachMarksControllerAnimationDelegate: AnyObject {
+@MainActor public protocol CoachMarksControllerAnimationDelegate: AnyObject {
     func coachMarksController(_ coachMarksController: CoachMarksController,
                               fetchAppearanceTransitionOfCoachMark coachMarkView: UIView,
                               at index: Int,
@@ -38,7 +38,7 @@ public extension CoachMarksControllerAnimationDelegate {
                               using manager: CoachMarkAnimationManager) { }
 }
 
-protocol CoachMarksControllerAnimationProxyDelegate: AnyObject {
+@MainActor protocol CoachMarksControllerAnimationProxyDelegate: AnyObject {
     func fetchAppearanceTransition(OfCoachMark coachMarkView: UIView,
                                    at index: Int,
                                    using manager: CoachMarkTransitionManager)

Sources/Instructions/Protocols and Enums/Public/Delegates/CoachMarksControllerDelegate.swift

@@ -4,6 +4,7 @@
 import UIKit
 
 /// Give a chance to react when coach marks are displayed
+@MainActor
 public protocol CoachMarksControllerDelegate: AnyObject {
     func coachMarksController(_ coachMarksController: CoachMarksController,
                               configureOrnamentsOfOverlay overlay: UIView)
@@ -36,6 +37,7 @@ public protocol CoachMarksControllerDelegate: AnyObject {
                                 at index: Int) -> Bool
 }
 
+
 public extension CoachMarksControllerDelegate {
     func coachMarksController(_ coachMarksController: CoachMarksController,
                               configureOrnamentsOfOverlay overlay: UIView) { }
@@ -82,6 +84,7 @@ public extension CoachMarksControllerDelegate {
     }
 }
 
+@MainActor
 protocol CoachMarksControllerProxyDelegate: AnyObject {
     func configureOrnaments(ofOverlay: UIView)