perf: prevent possible frequent permissions check

src/logic/SystemPermissions.swift

@@ -5,6 +5,7 @@ import ScreenCaptureKit.SCShareableContent
 class SystemPermissions {
     static var preStartupPermissionsPassed = false
     private static var timer: DispatchSourceTimer!
+    private static var timerIsFrequent = false
 
     static func ensurePermissionsAreGranted() {
         timer = DispatchSource.makeTimerSource(queue: BackgroundWork.permissionsCheckOnTimerQueue.strongUnderlyingQueue)
@@ -23,6 +24,11 @@ class SystemPermissions {
             checkPermissionsPreStartup()
         } else {
             checkPermissionsPostStartup()
+            if App.app.permissionsWindow.isVisible && !timerIsFrequent {
+                setFrequentTimer()
+            } else if !App.app.permissionsWindow.isVisible && timerIsFrequent {
+                setInfrequentTimer()
+            }
         }
         DispatchQueue.main.async {
             Menubar.togglePermissionCallout(ScreenRecordingPermission.status != .granted)
@@ -53,14 +59,17 @@ class SystemPermissions {
     }
 
     static func setInfrequentTimer() {
+        timerIsFrequent = false
         timer.schedule(deadline: .now() + 5, repeating: 5, leeway: .seconds(1))
     }
 
     static func setFrequentTimer() {
+        timerIsFrequent = true
         timer.schedule(deadline: .now(), repeating: 0.5, leeway: .milliseconds(500))
     }
 
     private static func setImmediateTimer() {
+        timerIsFrequent = false
         timer.schedule(deadline: .now(), repeating: .never, leeway: .never)
     }
 }

src/ui/permission-window/PermissionsWindow.swift

@@ -7,7 +7,7 @@ class PermissionsWindow: NSWindow {
     override var canBecomeKey: Bool { canBecomeKey_ }
 
     convenience init() {
-        self.init(contentRect: .zero, styleMask: [.titled, .miniaturizable, .closable], backing: .buffered, defer: false)
+        self.init(contentRect: .zero, styleMask: [.titled, .closable], backing: .buffered, defer: false)
         delegate = self
         setupWindow()
         setupView()
@@ -16,10 +16,10 @@ class PermissionsWindow: NSWindow {
     func show() {
         guard !isVisible else { return }
         Logger.debug { "" }
-        SystemPermissions.setFrequentTimer()
         center()
         App.shared.activate(ignoringOtherApps: true)
         makeKeyAndOrderFront(nil)
+        SystemPermissions.setFrequentTimer()
     }
 
     func updatePermissionViews() {
@@ -33,7 +33,7 @@ class PermissionsWindow: NSWindow {
         title = NSLocalizedString("AltTab needs some permissions", comment: "")
         hidesOnDeactivate = false
         isReleasedWhenClosed = false
-        styleMask.insert([.miniaturizable, .closable])
+        styleMask.insert([.closable])
     }
 
     private func setupView() {
@@ -99,7 +99,6 @@ extension PermissionsWindow: NSWindowDelegate {
                 return false // prevent the close; termination will close everything once
             }
         }
-        SystemPermissions.setInfrequentTimer()
         return true
     }
 }