TinyRIB

TinyRIB.swift

//
//  TinyRIB.swift
//
//  Created by 홍경표 on 10/5/25.
//

final class TinyInteractor: Interactor {
    let becomeActiveHandler: (() -> Void)?
    let resignActiveHandler: (() -> Void)?
    init(
        becomeActiveHandler: (() -> Void)?,
        resignActiveHandler: (() -> Void)?
    ) {
        self.becomeActiveHandler = becomeActiveHandler
        self.resignActiveHandler = resignActiveHandler
    }

    override func didBecomeActive() {
        super.didBecomeActive()
        becomeActiveHandler?()
    }

    override func willResignActive() {
        super.willResignActive()
        resignActiveHandler?()
    }
}

protocol TinyRIB: AnyObject {
    func build(withListener: Listener) -> Routing
    func didBecomeActive()
    func willResignActive()
    var listener: Listener? { get set }
    associatedtype Listener //: AnyObject
}

extension TinyRIB {
    func build(withListener listener: Listener) -> Routing {
        self.listener = listener
        let interactor = TinyInteractor(
            becomeActiveHandler: { [weak self] in
                self?.didBecomeActive()
            },
            resignActiveHandler: { [weak self] in
                self?.listener = nil
                self?.willResignActive()
            }
        )
        return Router(interactor: interactor)
    }

    func willResignActive() {
        // no-op
    }
}

protocol MyListener: AnyObject {
    func hello()
}

final class MyTinyRIB: TinyRIB {
    weak var listener: MyListener?

    func didBecomeActive() {
        print("myTiny active!!!")
        listener?.hello()
    }

    func willResignActive() {
        print("myTiny resign!!!")
    }
}