Add accessibility request button

DynamicIsland/helpers/AccessibilityPermissionStore.swift

@@ -0,0 +1,76 @@
+import Foundation
+import Combine
+import AppKit
+#if canImport(ApplicationServices)
+import ApplicationServices
+#endif
+
+/// Tracks accessibility permission status and exposes helpers to request access.
+@MainActor
+final class AccessibilityPermissionStore: ObservableObject {
+    static let shared = AccessibilityPermissionStore()
+
+    @Published private(set) var isAuthorized: Bool = AccessibilityPermissionStore.isAccessibilityAuthorized()
+
+    private var pollingTask: Task<Void, Never>?
+
+    private init() {}
+
+    deinit {
+        pollingTask?.cancel()
+    }
+
+    func refreshStatus() {
+        updateAuthorizationStatus(to: Self.isAccessibilityAuthorized())
+    }
+
+    func requestAuthorizationPrompt() {
+#if canImport(ApplicationServices)
+        let promptKey = kAXTrustedCheckOptionPrompt.takeUnretainedValue() as String
+        let options: CFDictionary = [promptKey: true] as CFDictionary
+        _ = AXIsProcessTrustedWithOptions(options)
+#endif
+        beginPollingForStatusChanges()
+    }
+
+    func openSystemSettings() {
+#if os(macOS)
+        if let url = URL(string: "x-apple.systempreferences:com.apple.preference.security?Privacy_Accessibility") {
+            NSWorkspace.shared.open(url)
+        }
+#endif
+    }
+
+    private func beginPollingForStatusChanges() {
+        pollingTask?.cancel()
+        pollingTask = Task { [weak self] in
+            for _ in 0..<30 {
+                try? await Task.sleep(nanoseconds: 500_000_000)
+                let status = Self.isAccessibilityAuthorized()
+                await MainActor.run {
+                    guard let self else { return }
+                    self.updateAuthorizationStatus(to: status)
+                }
+                if status {
+                    break
+                }
+            }
+        }
+    }
+
+    private func updateAuthorizationStatus(to newValue: Bool) {
+        guard newValue != isAuthorized else { return }
+        isAuthorized = newValue
+        if !newValue {
+            beginPollingForStatusChanges()
+        }
+    }
+
+    private static func isAccessibilityAuthorized() -> Bool {
+#if canImport(ApplicationServices)
+        return AXIsProcessTrusted()
+#else
+        return true
+#endif
+    }
+}