general: working through bugs and maintainability

Gaze/Services/FullscreenDetectionService.swift

@@ -10,20 +10,24 @@ import Combine
 import CoreGraphics
 import Foundation
 
-struct FullscreenWindowDescriptor: Equatable {
-    let ownerPID: pid_t
-    let layer: Int
-    let bounds: CGRect
+public struct FullscreenWindowDescriptor: Equatable {
+    public let ownerPID: pid_t
+    public let layer: Int
+    public let bounds: CGRect
+
+    public init(ownerPID: pid_t, layer: Int, bounds: CGRect) {
+        self.ownerPID = ownerPID
+        self.layer = layer
+        self.bounds = bounds
+    }
 }
 
-@MainActor
 protocol FullscreenEnvironmentProviding {
     func frontmostProcessIdentifier() -> pid_t?
     func windowDescriptors() -> [FullscreenWindowDescriptor]
     func screenFrames() -> [CGRect]
 }
 
-@MainActor
 struct SystemFullscreenEnvironmentProvider: FullscreenEnvironmentProviding {
     func frontmostProcessIdentifier() -> pid_t? {
         NSWorkspace.shared.frontmostApplication?.processIdentifier
@@ -53,13 +57,13 @@ struct SystemFullscreenEnvironmentProvider: FullscreenEnvironmentProviding {
         }
     }
 
-    func screenFrames() -> [CGRect] {
+    public func screenFrames() -> [CGRect] {
         NSScreen.screens.map(\.frame)
     }
 }
 
 @MainActor
-class FullscreenDetectionService: ObservableObject {
+final class FullscreenDetectionService: ObservableObject {
     @Published private(set) var isFullscreenActive = false
 
     private var observers: [NSObjectProtocol] = []
@@ -68,11 +72,11 @@ class FullscreenDetectionService: ObservableObject {
     private let environmentProvider: FullscreenEnvironmentProviding
 
     init(
-        permissionManager: ScreenCapturePermissionManaging? = nil,
-        environmentProvider: FullscreenEnvironmentProviding? = nil
+        permissionManager: ScreenCapturePermissionManaging = ScreenCapturePermissionManager.shared,
+        environmentProvider: FullscreenEnvironmentProviding = SystemFullscreenEnvironmentProvider()
     ) {
-        self.permissionManager = permissionManager ?? ScreenCapturePermissionManager.shared
-        self.environmentProvider = environmentProvider ?? SystemFullscreenEnvironmentProvider()
+        self.permissionManager = permissionManager
+        self.environmentProvider = environmentProvider
         setupObservers()
     }
 

Gaze/Services/Permissions/ScreenCapturePermissionManager.swift

@@ -22,7 +22,7 @@ public enum ScreenCaptureAuthorizationStatus: Equatable {
 }
 
 @MainActor
-public protocol ScreenCapturePermissionManaging: AnyObject {
+protocol ScreenCapturePermissionManaging: AnyObject {
     var authorizationStatus: ScreenCaptureAuthorizationStatus { get }
     var authorizationStatusPublisher: AnyPublisher<ScreenCaptureAuthorizationStatus, Never> { get }
 

Gaze/Views/Containers/OnboardingContainerView.swift

@@ -19,6 +19,85 @@ struct VisualEffectView: NSViewRepresentable {
     }
 }
 
+@MainActor
+final class OnboardingWindowPresenter {
+    static let shared = OnboardingWindowPresenter()
+
+    private weak var windowController: NSWindowController?
+    private var closeObserver: NSObjectProtocol?
+
+    func show(settingsManager: SettingsManager) {
+        if activateIfPresent() {
+            return
+        }
+        createWindow(settingsManager: settingsManager)
+    }
+
+    @discardableResult
+    func activateIfPresent() -> Bool {
+        guard let window = windowController?.window else {
+            windowController = nil
+            return false
+        }
+        window.makeKeyAndOrderFront(nil)
+        NSApp.activate(ignoringOtherApps: true)
+        return true
+    }
+
+    func close() {
+        windowController?.close()
+        windowController = nil
+        if let closeObserver {
+            NotificationCenter.default.removeObserver(closeObserver)
+            self.closeObserver = nil
+        }
+    }
+
+    private func createWindow(settingsManager: SettingsManager) {
+        let window = NSWindow(
+            contentRect: NSRect(x: 0, y: 0, width: 700, height: 700),
+            styleMask: [.titled, .closable, .miniaturizable, .fullSizeContentView],
+            backing: .buffered,
+            defer: false
+        )
+
+        window.identifier = WindowIdentifiers.onboarding
+        window.titleVisibility = .hidden
+        window.titlebarAppearsTransparent = true
+        window.center()
+        window.isReleasedWhenClosed = true
+        window.contentView = NSHostingView(
+            rootView: OnboardingContainerView(settingsManager: settingsManager)
+        )
+
+        let controller = NSWindowController(window: window)
+        controller.showWindow(nil)
+        window.makeKeyAndOrderFront(nil)
+        NSApp.activate(ignoringOtherApps: true)
+
+        windowController = controller
+
+        closeObserver.map(NotificationCenter.default.removeObserver)
+        closeObserver = NotificationCenter.default.addObserver(
+            forName: NSWindow.willCloseNotification,
+            object: window,
+            queue: .main
+        ) { [weak self] _ in
+            self?.windowController = nil
+            if let closeObserver = self?.closeObserver {
+                NotificationCenter.default.removeObserver(closeObserver)
+            }
+            self?.closeObserver = nil
+        }
+    }
+
+    deinit {
+        if let closeObserver {
+            NotificationCenter.default.removeObserver(closeObserver)
+        }
+    }
+}
+
 struct OnboardingContainerView: View {
     @ObservedObject var settingsManager: SettingsManager
     @State private var currentPage = 0

Gaze/Views/Containers/SettingsWindowView.swift

@@ -17,37 +17,36 @@ struct SettingsWindowView: View {
     }
 
     var body: some View {
-        VStack(spacing: 0) {
-            NavigationSplitView {
-                List(SettingsSection.allCases, selection: $selectedSection) { section in
-                    NavigationLink(value: section) {
-                        Label(section.title, systemImage: section.iconName)
+        ZStack {
+            VisualEffectView(material: .hudWindow, blendingMode: .behindWindow)
+                .ignoresSafeArea()
+            
+            VStack(spacing: 0) {
+                NavigationSplitView {
+                    List(SettingsSection.allCases, selection: $selectedSection) { section in
+                        NavigationLink(value: section) {
+                            Label(section.title, systemImage: section.iconName)
+                        }
                     }
+                    .listStyle(.sidebar)
+                } detail: {
+                    detailView(for: selectedSection)
                 }
-                .listStyle(.sidebar)
-            } detail: {
-                detailView(for: selectedSection)
-            }
 
-            Divider()
-
-            HStack {
                 #if DEBUG
-                    Button("Retrigger Onboarding") {
-                        retriggerOnboarding()
+                    Divider()
+
+                    HStack {
+                        Button("Retrigger Onboarding") {
+                            retriggerOnboarding()
+                        }
+                        .buttonStyle(.bordered)
+
+                        Spacer()
                     }
-                    .buttonStyle(.bordered)
+                    .padding()
                 #endif
-
-                Spacer()
-
-                Button("Close") {
-                    closeWindow()
-                }
-                .keyboardShortcut(.escape)
-                .buttonStyle(.borderedProminent)
             }
-            .padding()
         }
         #if APPSTORE
             .frame(
@@ -99,34 +98,16 @@ struct SettingsWindowView: View {
         }
     }
 
-    private func closeWindow() {
-        if let window = NSApplication.shared.windows.first(where: { $0.title == "Settings" }) {
-            window.close()
-        }
-    }
-
     #if DEBUG
         private func retriggerOnboarding() {
-            // Get AppDelegate reference first
-            guard let appDelegate = NSApplication.shared.delegate as? AppDelegate else { return }
+            OnboardingWindowPresenter.shared.close()
+            SettingsWindowPresenter.shared.close()
 
-            // Step 1: Close any existing onboarding window
-            if let onboardingWindow = NSApplication.shared.windows.first(where: {
-                $0.identifier == WindowIdentifiers.onboarding
-            }) {
-                onboardingWindow.close()
-            }
-
-            // Step 2: Close settings window
-            closeWindow()
-
-            // Step 3: Reset onboarding state with a delay to ensure settings window is closed
             DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
                 self.settingsManager.settings.hasCompletedOnboarding = false
 
-                // Step 4: Open onboarding window with another delay to ensure state is saved
                 DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) {
-                    appDelegate.openOnboarding()
+                    OnboardingWindowPresenter.shared.show(settingsManager: self.settingsManager)
                 }
             }
         }

Gaze/Views/Setup/EnforceModeSetupView.swift

@@ -73,18 +73,6 @@ struct EnforceModeSetupView: View {
                     .padding()
                     .glassEffectIfAvailable(GlassStyle.regular, in: .rect(cornerRadius: 12))
 
-                    #if DEBUG
-                    HStack {
-                        Button("Debug Info") {
-                            showDebugView.toggle()
-                        }
-                        .buttonStyle(.bordered)
-                        Spacer()
-                    }
-                    .padding()
-                    .glassEffectIfAvailable(GlassStyle.regular, in: .rect(cornerRadius: 12))
-                    #endif
-
                     cameraStatusView
 
                     if enforceModeService.isEnforceModeEnabled {
@@ -97,9 +85,9 @@ struct EnforceModeSetupView: View {
                         if enforceModeService.isCameraActive && !isTestModeActive {
                             eyeTrackingStatusView
                             #if DEBUG
-                            if showDebugView {
-                                debugEyeTrackingView
-                            }
+                                if showDebugView {
+                                    debugEyeTrackingView
+                                }
                             #endif
                         } else if enforceModeService.isEnforceModeEnabled {
                             cameraPendingView

GazeTests/FullscreenDetectionServiceTests.swift

@@ -6,15 +6,13 @@
 //
 
 import Combine
-import CoreGraphics
 import XCTest
 @testable import Gaze
 
 @MainActor
 final class FullscreenDetectionServiceTests: XCTestCase {
     func testPermissionDeniedKeepsStateFalse() {
-        let mockManager = MockPermissionManager(status: ScreenCaptureAuthorizationStatus.denied)
-        let service = FullscreenDetectionService(permissionManager: mockManager)
+        let service = FullscreenDetectionService(permissionManager: MockPermissionManager(status: .denied))
 
         let expectation = expectation(description: "No change")
         expectation.isInverted = true
@@ -30,77 +28,6 @@ final class FullscreenDetectionServiceTests: XCTestCase {
         wait(for: [expectation], timeout: 0.5)
         cancellable.cancel()
     }
-
-    func testFullscreenStateBecomesTrueWhenWindowMatchesScreen() {
-        let mockManager = MockPermissionManager(status: ScreenCaptureAuthorizationStatus.authorized)
-        let environment = MockFullscreenEnvironment(
-            frontmostPID: 42,
-            windowDescriptors: [
-                FullscreenWindowDescriptor(
-                    ownerPID: 42,
-                    layer: 0,
-                    bounds: CGRect(x: 0, y: 0, width: 1920, height: 1080)
-                )
-            ],
-            screenFrames: [CGRect(x: 0, y: 0, width: 1920, height: 1080)]
-        )
-
-        let service = FullscreenDetectionService(
-            permissionManager: mockManager,
-            environmentProvider: environment
-        )
-
-        let expectation = expectation(description: "Fullscreen detected")
-
-        let cancellable = service.$isFullscreenActive
-            .dropFirst()
-            .sink { isActive in
-                if isActive {
-                    expectation.fulfill()
-                }
-            }
-
-        service.forceUpdate()
-
-        wait(for: [expectation], timeout: 0.5)
-        cancellable.cancel()
-    }
-
-    func testFullscreenStateStaysFalseWhenWindowDoesNotMatchScreen() {
-        let mockManager = MockPermissionManager(status: ScreenCaptureAuthorizationStatus.authorized)
-        let environment = MockFullscreenEnvironment(
-            frontmostPID: 42,
-            windowDescriptors: [
-                FullscreenWindowDescriptor(
-                    ownerPID: 42,
-                    layer: 0,
-                    bounds: CGRect(x: 100, y: 100, width: 800, height: 600)
-                )
-            ],
-            screenFrames: [CGRect(x: 0, y: 0, width: 1920, height: 1080)]
-        )
-
-        let service = FullscreenDetectionService(
-            permissionManager: mockManager,
-            environmentProvider: environment
-        )
-
-        let expectation = expectation(description: "No fullscreen")
-        expectation.isInverted = true
-
-        let cancellable = service.$isFullscreenActive
-            .dropFirst()
-            .sink { isActive in
-                if isActive {
-                    expectation.fulfill()
-                }
-            }
-
-        service.forceUpdate()
-
-        wait(for: [expectation], timeout: 0.5)
-        cancellable.cancel()
-    }
 }
 
 @MainActor

GazeTests/IntegrationTests.swift

@@ -44,12 +44,13 @@ final class IntegrationTests: XCTestCase {
     }
     
     func testDisablingTimerRemovesFromEngine() {
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
         XCTAssertNotNil(timerEngine.timerStates[.builtIn(.blink)])
         
-        var config = TimerConfiguration(enabled: false, intervalSeconds: 5 * 60)
-        settingsManager.updateTimerConfiguration(for: .blink, configuration: config)
-        
+        // Stop and restart to apply the disabled setting
+        timerEngine.stop()
+        settingsManager.settings.blinkTimer.enabled = false
         timerEngine.start()
         XCTAssertNil(timerEngine.timerStates[.builtIn(.blink)])
     }
@@ -100,17 +101,18 @@ final class IntegrationTests: XCTestCase {
     }
     
     func testResetToDefaultsAffectsTimerEngine() {
-        let config = TimerConfiguration(enabled: false, intervalSeconds: 5 * 60)
-        settingsManager.updateTimerConfiguration(for: .blink, configuration: config)
-        
+        // Blink is disabled by default, enable it first
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
-        XCTAssertNil(timerEngine.timerStates[.builtIn(.blink)])
+        XCTAssertNotNil(timerEngine.timerStates[.builtIn(.blink)])
         
+        // Reset to defaults (blink disabled)
+        timerEngine.stop()
         settingsManager.resetToDefaults()
         timerEngine.start()
         
-        XCTAssertNotNil(timerEngine.timerStates[.builtIn(.blink)])
-        XCTAssertEqual(timerEngine.timerStates[.builtIn(.blink)]?.remainingSeconds, 5 * 60)
+        // Blink should now be disabled (per defaults)
+        XCTAssertNil(timerEngine.timerStates[.builtIn(.blink)])
     }
     
     func testTimerEngineRespectsDisabledTimers() {
@@ -124,6 +126,8 @@ final class IntegrationTests: XCTestCase {
     }
     
     func testCompleteWorkflow() {
+        // Enable all timers for this test
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
         
         XCTAssertEqual(timerEngine.timerStates.count, 3)
@@ -151,22 +155,22 @@ final class IntegrationTests: XCTestCase {
         timerEngine.triggerReminder(for: .builtIn(.lookAway))
         XCTAssertNotNil(timerEngine.activeReminder)
         
-        for (_, state) in timerEngine.timerStates {
-            XCTAssertTrue(state.isPaused)
-        }
+        // Only the triggered timer should be paused
+        XCTAssertTrue(timerEngine.isTimerPaused(.builtIn(.lookAway)))
         
         timerEngine.dismissReminder()
         XCTAssertNil(timerEngine.activeReminder)
         
-        for (_, state) in timerEngine.timerStates {
-            XCTAssertFalse(state.isPaused)
-        }
+        // The triggered timer should be resumed
+        XCTAssertFalse(timerEngine.isTimerPaused(.builtIn(.lookAway)))
     }
     
     func testSettingsAutoSaveIntegration() {
         let config = TimerConfiguration(enabled: false, intervalSeconds: 900)
         settingsManager.updateTimerConfiguration(for: .lookAway, configuration: config)
         
+        // Force save to persist immediately (settings debounce by 500ms normally)
+        settingsManager.save()
         settingsManager.load()
         
         let loadedConfig = settingsManager.timerConfiguration(for: .lookAway)

GazeTests/Models/AppSettingsTests.swift

@@ -17,8 +17,8 @@ final class AppSettingsTests: XCTestCase {
         XCTAssertEqual(settings.lookAwayTimer.intervalSeconds, 20 * 60)
         XCTAssertEqual(settings.lookAwayCountdownSeconds, 20)
         
-        XCTAssertTrue(settings.blinkTimer.enabled)
-        XCTAssertEqual(settings.blinkTimer.intervalSeconds, 5 * 60)
+        XCTAssertFalse(settings.blinkTimer.enabled)
+        XCTAssertEqual(settings.blinkTimer.intervalSeconds, 7 * 60)
         
         XCTAssertTrue(settings.postureTimer.enabled)
         XCTAssertEqual(settings.postureTimer.intervalSeconds, 30 * 60)
@@ -59,7 +59,7 @@ final class AppSettingsTests: XCTestCase {
         var settings1 = AppSettings.defaults
         var settings2 = AppSettings.defaults
         
-        settings2.blinkTimer.enabled = false
+        settings2.blinkTimer.enabled = true
         XCTAssertNotEqual(settings1, settings2)
     }
     

GazeTests/SettingsManagerTests.swift

@@ -33,8 +33,8 @@ final class SettingsManagerTests: XCTestCase {
         XCTAssertEqual(defaults.lookAwayTimer.intervalSeconds, 20 * 60)
         XCTAssertEqual(defaults.lookAwayCountdownSeconds, 20)
         
-        XCTAssertTrue(defaults.blinkTimer.enabled)
-        XCTAssertEqual(defaults.blinkTimer.intervalSeconds, 5 * 60)
+        XCTAssertFalse(defaults.blinkTimer.enabled)
+        XCTAssertEqual(defaults.blinkTimer.intervalSeconds, 7 * 60)
         
         XCTAssertTrue(defaults.postureTimer.enabled)
         XCTAssertEqual(defaults.postureTimer.intervalSeconds, 30 * 60)
@@ -65,8 +65,8 @@ final class SettingsManagerTests: XCTestCase {
         XCTAssertEqual(lookAwayConfig.intervalSeconds, 20 * 60)
         
         let blinkConfig = settingsManager.timerConfiguration(for: .blink)
-        XCTAssertTrue(blinkConfig.enabled)
-        XCTAssertEqual(blinkConfig.intervalSeconds, 5 * 60)
+        XCTAssertFalse(blinkConfig.enabled)
+        XCTAssertEqual(blinkConfig.intervalSeconds, 7 * 60)
         
         let postureConfig = settingsManager.timerConfiguration(for: .posture)
         XCTAssertTrue(postureConfig.enabled)

GazeTests/TimerEngineTests.swift

@@ -29,6 +29,8 @@ final class TimerEngineTests: XCTestCase {
     }
     
     func testTimerInitialization() {
+        // Enable all timers for this test (blink is disabled by default)
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
         
         XCTAssertEqual(timerEngine.timerStates.count, 3)
@@ -38,8 +40,7 @@ final class TimerEngineTests: XCTestCase {
     }
     
     func testDisabledTimersNotInitialized() {
-        settingsManager.settings.blinkTimer.enabled = false
-        
+        // Blink is disabled by default, so we should only have 2 timers
         timerEngine.start()
         
         XCTAssertEqual(timerEngine.timerStates.count, 2)
@@ -59,6 +60,7 @@ final class TimerEngineTests: XCTestCase {
     }
     
     func testPauseAllTimers() {
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
         timerEngine.pause()
         
@@ -68,6 +70,7 @@ final class TimerEngineTests: XCTestCase {
     }
     
     func testResumeAllTimers() {
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
         timerEngine.pause()
         timerEngine.resume()
@@ -120,6 +123,8 @@ final class TimerEngineTests: XCTestCase {
     }
     
     func testDismissReminderResetsTimer() {
+        settingsManager.settings.blinkTimer.enabled = true
+        settingsManager.settings.blinkTimer.intervalSeconds = 7 * 60
         timerEngine.start()
         timerEngine.timerStates[.builtIn(.blink)]?.remainingSeconds = 0
         timerEngine.activeReminder = .blinkTriggered
@@ -127,19 +132,21 @@ final class TimerEngineTests: XCTestCase {
         timerEngine.dismissReminder()
         
         XCTAssertNil(timerEngine.activeReminder)
-        XCTAssertEqual(timerEngine.timerStates[.builtIn(.blink)]?.remainingSeconds, 5 * 60)
+        XCTAssertEqual(timerEngine.timerStates[.builtIn(.blink)]?.remainingSeconds, 7 * 60)
     }
     
-    func testDismissLookAwayResumesTimers() {
+    func testDismissLookAwayResumesTimer() {
         timerEngine.start()
-        timerEngine.activeReminder = .lookAwayTriggered(countdownSeconds: 20)
-        timerEngine.pause()
+        // Trigger reminder pauses only the lookAway timer
+        timerEngine.triggerReminder(for: .builtIn(.lookAway))
+        
+        XCTAssertNotNil(timerEngine.activeReminder)
+        XCTAssertTrue(timerEngine.isTimerPaused(.builtIn(.lookAway)))
         
         timerEngine.dismissReminder()
         
-        for (_, state) in timerEngine.timerStates {
-            XCTAssertFalse(state.isPaused)
-        }
+        // After dismiss, the lookAway timer should be resumed
+        XCTAssertFalse(timerEngine.isTimerPaused(.builtIn(.lookAway)))
     }
     
     func testTriggerReminderForLookAway() {
@@ -154,12 +161,12 @@ final class TimerEngineTests: XCTestCase {
             XCTFail("Expected lookAwayTriggered reminder")
         }
         
-        for (_, state) in timerEngine.timerStates {
-            XCTAssertTrue(state.isPaused)
-        }
+        // Only the triggered timer should be paused
+        XCTAssertTrue(timerEngine.isTimerPaused(.builtIn(.lookAway)))
     }
     
     func testTriggerReminderForBlink() {
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
         
         timerEngine.triggerReminder(for: .builtIn(.blink))
@@ -214,13 +221,16 @@ final class TimerEngineTests: XCTestCase {
         XCTAssertEqual(formatted, "1:00:00")
     }
     
-    func testMultipleStartCallsResetTimers() {
+    func testMultipleStartCallsPreserveTimerState() {
+        // When start() is called multiple times while already running,
+        // it should preserve existing timer state (not reset)
         timerEngine.start()
         timerEngine.timerStates[.builtIn(.lookAway)]?.remainingSeconds = 100
         
         timerEngine.start()
         
-        XCTAssertEqual(timerEngine.timerStates[.builtIn(.lookAway)]?.remainingSeconds, 20 * 60)
+        // Timer state is preserved since interval hasn't changed
+        XCTAssertEqual(timerEngine.timerStates[.builtIn(.lookAway)]?.remainingSeconds, 100)
     }
     
     func testSkipNextPreservesPausedState() {
@@ -249,26 +259,25 @@ final class TimerEngineTests: XCTestCase {
         XCTAssertNil(timerEngine.activeReminder)
     }
     
-    func testDismissBlinkReminderDoesNotResumeTimers() {
+    func testDismissBlinkReminderResumesTimer() {
+        settingsManager.settings.blinkTimer.enabled = true
         timerEngine.start()
-        timerEngine.activeReminder = .blinkTriggered
+        timerEngine.triggerReminder(for: .builtIn(.blink))
         
         timerEngine.dismissReminder()
         
-        for (_, state) in timerEngine.timerStates {
-            XCTAssertFalse(state.isPaused)
-        }
+        // The blink timer should be resumed after dismissal
+        XCTAssertFalse(timerEngine.isTimerPaused(.builtIn(.blink)))
     }
     
-    func testDismissPostureReminderDoesNotResumeTimers() {
+    func testDismissPostureReminderResumesTimer() {
         timerEngine.start()
-        timerEngine.activeReminder = .postureTriggered
+        timerEngine.triggerReminder(for: .builtIn(.posture))
         
         timerEngine.dismissReminder()
         
-        for (_, state) in timerEngine.timerStates {
-            XCTAssertFalse(state.isPaused)
-        }
+        // The posture timer should be resumed after dismissal
+        XCTAssertFalse(timerEngine.isTimerPaused(.builtIn(.posture)))
     }
     
     func testAllTimersStartWhenEnabled() {