Remove unused code from UIKitExtras.

UIKitExtras/Sources/UIKitExtras/UIResponder+RSCore.swift

@@ -28,15 +28,8 @@ extension UIResponder {
 		return UIResponder._currentFirstResponder
 	}
 	
-	public static func resignCurrentFirstResponder() {
-		if let responder = currentFirstResponder {
-			responder.resignFirstResponder()
-		}
-	}
-
 	@objc internal func findFirstResponder(sender: AnyObject) {
 		UIResponder._currentFirstResponder = self
 	}
-	
 }
 #endif

UIKitExtras/Sources/UIKitExtras/UIView+RSCore.swift

@@ -16,21 +16,8 @@ extension UIView {
 			self.frame = rect
 		}
 	}
-	
-	public func addChildAndPin(_ view: UIView) {
-		view.translatesAutoresizingMaskIntoConstraints = false
-		addSubview(view)
-		
-		NSLayoutConstraint.activate([
-			safeAreaLayoutGuide.leadingAnchor.constraint(equalTo: view.leadingAnchor),
-			safeAreaLayoutGuide.trailingAnchor.constraint(equalTo: view.trailingAnchor),
-			safeAreaLayoutGuide.topAnchor.constraint(equalTo: view.topAnchor),
-			safeAreaLayoutGuide.bottomAnchor.constraint(equalTo: view.bottomAnchor)
-		])
-		
-	}
-	
-    public func asImage() -> UIImage {
+
+	public func asImage() -> UIImage {
         let renderer = UIGraphicsImageRenderer(bounds: bounds)
         return renderer.image { rendererContext in
             layer.render(in: rendererContext.cgContext)

UIKitExtras/Sources/UIKitExtras/UIViewController+RSCore.swift

@@ -5,27 +5,15 @@
 //  Created by Maurice Parker on 4/15/19.
 //  Copyright © 2019 Ranchero Software. All rights reserved.
 //
+
 #if os(iOS)
 import UIKit
 import SwiftUI
 
 extension UIViewController {
-	
-	// MARK: Autolayout
-	
-	public func addChildAndPinView(_ controller: UIViewController) {
-		view.addChildAndPin(controller.view)
-		addChild(controller)
-	}
-	
-	public func replaceChildAndPinView(_ controller: UIViewController) {
-		view.subviews.forEach { $0.removeFromSuperview() }
-		children.forEach { $0.removeFromParent() }
-		addChildAndPinView(controller)
-	}
-	
+
 	// MARK: Error Handling
-	
+
 	public func presentError(title: String, message: String, dismiss: (() -> Void)? = nil) {
 		let alertController = UIAlertController(title: title, message: message, preferredStyle: .alert)
 		let dismissTitle = NSLocalizedString("OK", comment: "OK")
@@ -37,32 +25,4 @@ extension UIViewController {
 	}
 	
 }
-
-// MARK: SwiftUI
-
-public struct ViewControllerHolder {
-	public weak var value: UIViewController?
-}
-
-public struct ViewControllerKey: EnvironmentKey {
-	public static var defaultValue: ViewControllerHolder { return ViewControllerHolder(value: nil ) }
-}
-
-extension EnvironmentValues {
-	public var viewController: UIViewController? {
-		get { return self[ViewControllerKey.self].value }
-		set { self[ViewControllerKey.self].value = newValue }
-	}
-}
-
-extension UIViewController {
-	public func present<Content: View>(style: UIModalPresentationStyle = .automatic, @ViewBuilder builder: () -> Content) {
-		let controller = UIHostingController(rootView: AnyView(EmptyView()))
-		controller.modalPresentationStyle = style
-		controller.rootView = AnyView(
-			builder().environment(\.viewController, controller)
-		)
-		self.present(controller, animated: true, completion: nil)
-	}
-}
 #endif

UIKitExtras/Sources/UIKitExtras/UIWindow+RSCore.swift

@@ -1,42 +0,0 @@
-//
-//  UIViewController+.swift
-//  NetNewsWire
-//
-//  Created by Maurice Parker on 4/15/19.
-//  Copyright © 2019 Ranchero Software. All rights reserved.
-//
-#if os(iOS)
-import UIKit
-
-extension UIWindow {
-	
-	public var topViewController: UIViewController? {
-		
-		var top = self.rootViewController
-		while true {
-			if let presented = top?.presentedViewController {
-				top = presented
-			} else if let nav = top as? UINavigationController {
-				top = nav.visibleViewController
-			} else if let tab = top as? UITabBarController {
-				top = tab.selectedViewController
-			} else if let split = top as? UISplitViewController {
-				switch split.displayMode {
-				case .allVisible:
-					top = split.viewControllers.first
-				case .primaryHidden:
-					top = split.viewControllers.last
-				default:
-					top = split.viewControllers.first
-				}
-			} else {
-				break
-			}
-		}
-		
-		return top
-		
-	}
-	
-}
-#endif