Created
March 24, 2022 16:38
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| import UIKit | |
| import Combine | |
| final class MessageConduit { | |
| public let messageSubject = PassthroughSubject<Void, Never>() | |
| } | |
| /// Represents a view that will send messages, e.g. button presses. | |
| final class SenderView: UIView { | |
| private let myButton: UIButton | |
| private let conduit: MessageConduit | |
| @MainActor | |
| init(conduit: MessageConduit) { | |
| self.myButton = .init() | |
| self.conduit = conduit | |
| super.init(frame: .zero) | |
| let action = UIAction { [weak self] (action) in | |
| /// TODO: Send message to `ReceiverView`... | |
| self?.conduit.messageSubject.send(Void()) | |
| } | |
| myButton.addAction(action, for: .touchUpInside) | |
| } | |
| required init?(coder: NSCoder) { | |
| fatalError("init(coder:) has not been implemented") | |
| } | |
| } | |
| /// Represents a view that responds to events. | |
| final class ReceiverView: UIView { | |
| private let conduit: MessageConduit | |
| @MainActor | |
| init(conduit: MessageConduit) { | |
| self.conduit = conduit | |
| super.init(frame: .zero) | |
| } | |
| func didReceiveMessage() { | |
| print("Got a message from SenderView!") | |
| } | |
| required init?(coder: NSCoder) { | |
| fatalError("init(coder:) has not been implemented") | |
| } | |
| } | |
| /// Represents some controller coordinating senders and receivers. | |
| final class MyViewController : UIViewController { | |
| let senderView: SenderView | |
| let receiverView: ReceiverView | |
| let conduit = MessageConduit() | |
| @MainActor | |
| init() { | |
| senderView = .init(conduit: conduit) | |
| receiverView = .init(conduit: conduit) | |
| super.init(nibName: nil, bundle: nil) | |
| view.addSubview(senderView) | |
| view.addSubview(receiverView) | |
| /// Layout stuff here... | |
| } | |
| required init?(coder: NSCoder) { | |
| fatalError("init(coder:) has not been implemented") | |
| } | |
| } |
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