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yattee/Vendor/RefreshControl/RefreshControl.swift

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//
// RefreshControl.swift
// SwiftUI_Pull_to_Refresh
//
// Created by Geri Borbás on 18/09/2021.
//
import Combine
import Foundation
import SwiftUI
import UIKit
final class RefreshControl: ObservableObject {
static var navigationBarTitleDisplayMode: NavigationBarItem.TitleDisplayMode {
if #available(iOS 15.0, *) {
return .automatic
}
return .inline
}
let onValueChanged: (_ refreshControl: UIRefreshControl) -> Void
internal init(onValueChanged: @escaping ((UIRefreshControl) -> Void)) {
self.onValueChanged = onValueChanged
}
/// Adds a `UIRefreshControl` to the `UIScrollView` provided.
func add(to scrollView: UIScrollView) {
scrollView.refreshControl = UIRefreshControl().withTarget(
self,
action: #selector(onValueChangedAction),
for: .valueChanged
)
.testable(as: "RefreshControl")
}
@objc private func onValueChangedAction(sender: UIRefreshControl) {
onValueChanged(sender)
}
}
extension UIRefreshControl {
/// Convinience method to assign target action inline.
func withTarget(_ target: Any?, action: Selector, for controlEvents: UIControl.Event) -> UIRefreshControl {
addTarget(target, action: action, for: controlEvents)
return self
}
/// Convinience method to match refresh control for UI testing.
func testable(as id: String) -> UIRefreshControl {
isAccessibilityElement = true
accessibilityIdentifier = id
return self
}
}