Everywhere: Move the Ladybird folder to UI

Author: https://github.com/trflynn89
Commit: db47cc41f8
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

UI/AppKit/Interface/TaskManagerController.swift

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>
+ * Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+import Foundation
+import SwiftUI
+
+@objc
+public protocol TaskManagerDelegate where Self: NSObject {
+    func onTaskManagerClosed()
+}
+
+public class TaskManagerController: NSWindowController, NSWindowDelegate {
+
+    private weak var delegate: TaskManagerDelegate?
+
+    @objc
+    public convenience init(delegate: TaskManagerDelegate) {
+        self.init()
+        self.delegate = delegate
+    }
+
+    @IBAction public override func showWindow(_ sender: Any?) {
+        self.window = TaskManager.init()
+        self.window!.delegate = self
+        self.window!.makeKeyAndOrderFront(sender)
+    }
+
+    public func windowWillClose(_ sender: Notification) {
+        self.delegate?.onTaskManagerClosed()
+    }
+
+    public func windowDidResize(_ sender: Notification) {
+        guard self.window != nil else { return }
+        if !self.window!.inLiveResize {
+            self.taskManager().web_view.handleResize()
+        }
+    }
+
+    public func windowDidChangeBackingProperties(_ sender: Notification) {
+        self.taskManager().web_view.handleDevicePixelRatioChange()
+    }
+
+    private func taskManager() -> TaskManager {
+        return self.window as! TaskManager
+    }
+}