53 lines
1.3 KiB
Swift
53 lines
1.3 KiB
Swift
//
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// Handlerable.swift
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// VDS
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//
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// Created by Matt Bruce on 7/22/22.
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//
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import Foundation
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import Combine
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import UIKit
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public protocol Handlerable: AnyObject, Initable, Disabling, Surfaceable {
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var subject: PassthroughSubject<Void, Never> { get set }
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var subscribers: Set<AnyCancellable> { get set }
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func updateView()
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}
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extension Handlerable {
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public func setupDidChangeEvent(_ debounce: Bool = false) {
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handlerPublisher(debounce)
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.sink { [weak self] _ in
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self?.updateView()
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}.store(in: &subscribers)
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}
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public func handlerPublisher(_ debounce: Bool = false) -> AnyPublisher<Void, Never> {
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if debounce {
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return subject
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.debounce(for: .seconds(Constants.StateDebounce), scheduler: RunLoop.main)
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.eraseToAnyPublisher()
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} else {
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return subject
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.eraseToAnyPublisher()
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}
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}
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}
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extension Handlerable where Self: UIView {
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public func didChange() {
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subject.send()
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}
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}
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extension Handlerable where Self: UIControl {
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public func addEvent(event: UIControl.Event, block: @escaping (Self)->()) {
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publisher(for: event)
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.sink(receiveValue: { c in
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block(c)
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}).store(in: &subscribers)
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}
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}
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