func prepareForRelaunch(finish: @escaping () -> Void) {

Task {

await Service.shared.prepareForExit()

finish()

}

}

let service = Service.shared

var statusBarItem: NSStatusItem!

var axStatusItem: NSMenuItem!

var extensionStatusItem: NSMenuItem!

var openCopilotForXcodeItem: NSMenuItem!

var accountItem: NSMenuItem!

var authStatusItem: NSMenuItem!

var quotaItem: NSMenuItem!

var toggleCompletions: NSMenuItem!

var toggleIgnoreLanguage: NSMenuItem!

var openChat: NSMenuItem!

var signOutItem: NSMenuItem!

var xpcController: XPCController?

let updateChecker =

UpdateChecker(

hostBundle: Bundle(url: HostAppURL!),

checkerDelegate: ExtensionUpdateCheckerDelegate()

)

var xpcExtensionService: XPCExtensionService?

private var cancellables = Set<AnyCancellable>()

private var progressView: NSProgressIndicator?

func applicationDidFinishLaunching(_: Notification) {

if ProcessInfo.processInfo.environment["IS_UNIT_TEST"] == "YES" { return }

_ = XcodeInspector.shared

service.start()

AXIsProcessTrustedWithOptions([

kAXTrustedCheckOptionPrompt.takeRetainedValue() as NSString: true,

] as CFDictionary)

setupQuitOnUpdate()

setupQuitOnUserTerminated()

xpcController = .init()

Logger.service.info("XPC Service started.")

NSApp.setActivationPolicy(.accessory)

buildStatusBarMenu()

watchServiceStatus()

watchAXStatus()

watchAuthStatus()

setInitialStatusBarStatus()

UserDefaults.shared.set(false, for: \.clsWarningDismissedUntilRelaunch)

}

@objc func quit() {

if let hostApp = getRunningHostApp() {

hostApp.terminate()

}

// Start shutdown process in a task

Task { @MainActor in

await service.prepareForExit()

await xpcController?.quit()

NSApp.terminate(self)

}

}

@objc func openCopilotForXcodeSettings() {

try? launchHostAppSettings()

}

@objc func signIntoGitHub() {

Task { @MainActor in

let viewModel = GitHubCopilotViewModel.shared

// Don't trigger the shared viewModel's alert

do {

guard let signInResponse = try await viewModel.preSignIn() else {

return

}

NSApp.activate(ignoringOtherApps: true)

let alert = NSAlert()

alert.messageText = signInResponse.userCode

alert.informativeText = """

\(signInResponse.verificationURL.absoluteString)

alert.addButton(withTitle: "Copy Code and Open")

alert.addButton(withTitle: "Cancel")

let response = alert.runModal()

if response == .alertFirstButtonReturn {

viewModel.signInResponse = signInResponse

viewModel.copyAndOpen()

}

} catch {

Logger.service.error("GitHub copilot view model Sign in fails: \(error)")

}

}

}

@objc func signOutGitHub() {

Task { @MainActor in

let viewModel = GitHubCopilotViewModel.shared

viewModel.signOut()

}

}

@objc func openGlobalChat() {

Task { @MainActor in

let serviceGUI = Service.shared.guiController

serviceGUI.openGlobalChat()

}

}

func setupQuitOnUpdate() {

Task {

guard let url = Bundle.main.executableURL else { return }

let checker = await FileChangeChecker(fileURL: url)

// If Xcode or Copilot for Xcode is made active, check if the executable of this program

// is changed. If changed, quit this program.

let sequence = NSWorkspace.shared.notificationCenter

.notifications(named: NSWorkspace.didActivateApplicationNotification)

for await notification in sequence {

try Task.checkCancellation()

guard let app = notification

.userInfo?[NSWorkspace.applicationUserInfoKey] as? NSRunningApplication,

app.isUserOfService

else { continue }

guard await checker.checkIfChanged() else {

Logger.service.info("Extension Service is not updated, no need to quit.")

continue

}

Logger.service.info("Extension Service will quit.")

#if DEBUG

#else

quit()

#endif

}

}

}

func setupQuitOnUserTerminated() {

Task {

// Whenever Xcode or the host application quits, check if any of the two is running.

// If none, quit the XPC service.

let sequence = NSWorkspace.shared.notificationCenter

.notifications(named: NSWorkspace.didTerminateApplicationNotification)

for await notification in sequence {

try Task.checkCancellation()

guard UserDefaults.shared.value(for: \.quitXPCServiceOnXcodeAndAppQuit)

else { continue }

guard let app = notification

.userInfo?[NSWorkspace.applicationUserInfoKey] as? NSRunningApplication,

app.isUserOfService

else { continue }

// Check if Xcode is running

let isXcodeRunning = NSWorkspace.shared.runningApplications.contains {

$0.bundleIdentifier == "com.apple.dt.Xcode"

}

if !isXcodeRunning {

Logger.client.info("No Xcode instances running, preparing to quit")

quit()

}

}

}

}

func requestAccessoryAPIPermission() {

AXIsProcessTrustedWithOptions([

kAXTrustedCheckOptionPrompt.takeRetainedValue() as NSString: true,

] as NSDictionary)

}

@objc func checkForUpdate() {

guard let updateChecker = updateChecker else {

Logger.service.error("Unable to check for updates: updateChecker is nil.")

return

}

updateChecker.checkForUpdates()

}

func getXPCExtensionService() -> XPCExtensionService {

if let service = xpcExtensionService { return service }

let service = XPCExtensionService(logger: .service)

xpcExtensionService = service

return service

}

func watchServiceStatus() {

let notifications = NotificationCenter.default.notifications(named: .serviceStatusDidChange)

Task { [weak self] in

for await _ in notifications {

guard let self else { return }

self.updateStatusBarItem()

}

}

}

func watchAXStatus() {

let osNotifications = DistributedNotificationCenter.default().notifications(named: NSNotification.Name("com.apple.accessibility.api"))

Task { [weak self] in

for await _ in osNotifications {

guard let self else { return }

self.updateStatusBarItem()

}

}

}

func watchAuthStatus() {

let notifications = DistributedNotificationCenter.default().notifications(named: .authStatusDidChange)

Task { [weak self] in

for await _ in notifications {

guard let self else { return }

await self.forceAuthStatusCheck()

}

}

}

func setInitialStatusBarStatus() {

Task {

let authStatus = await Status.shared.getAuthStatus()

if authStatus == .unknown {

// temporarily kick off a language server instance to prime the initial auth status

await forceAuthStatusCheck()

}

updateStatusBarItem()

}

}

func forceAuthStatusCheck() async {

do {

let service = try await GitHubCopilotViewModel.shared.getGitHubCopilotAuthService()

let accountStatus = try await service.checkStatus()

if accountStatus == .ok || accountStatus == .maybeOk {

let quota = try await service.checkQuota()

Logger.service.info("User quota checked successfully: \(quota)")

}

} catch {

Logger.service.error("Failed to read auth status: \(error)")

}

}

private func configureNotLoggedIn() {

self.accountItem.view = AccountItemView(

target: self,

action: #selector(signIntoGitHub)

)

self.authStatusItem.isHidden = true

self.quotaItem.isHidden = true

self.toggleCompletions.isHidden = true

self.toggleIgnoreLanguage.isHidden = true

self.signOutItem.isHidden = true

}

private func configureLoggedIn(status: StatusResponse) {

self.accountItem.view = AccountItemView(

target: self,

action: nil,

userName: status.userName ?? ""

)

if !status.clsMessage.isEmpty {

let CLSMessageSummary = getCLSMessageSummary(status.clsMessage)

// If the quota is nil, keep the original auth status item

// Else only log the CLS error other than quota limit reached error

if CLSMessageSummary.summary == CLSMessageType.other.summary || status.quotaInfo == nil {

self.authStatusItem.isHidden = false

self.authStatusItem.title = CLSMessageSummary.summary

let submenu = NSMenu()

let attributedCLSErrorItem = NSMenuItem()

attributedCLSErrorItem.view = ErrorMessageView(

errorMessage: CLSMessageSummary.detail

)

submenu.addItem(attributedCLSErrorItem)

submenu.addItem(.separator())

submenu.addItem(

NSMenuItem(

title: "View Details on GitHub",

action: #selector(openGitHubDetailsLink),

keyEquivalent: ""

)

)

self.authStatusItem.submenu = submenu

self.authStatusItem.isEnabled = true

}

} else {

self.authStatusItem.isHidden = true

}

if let quotaInfo = status.quotaInfo, !quotaInfo.resetDate.isEmpty {

self.quotaItem.isHidden = false

self.quotaItem.view = QuotaView(

chat: .init(

percentRemaining: quotaInfo.chat.percentRemaining,

unlimited: quotaInfo.chat.unlimited,

overagePermitted: quotaInfo.chat.overagePermitted

),

completions: .init(

percentRemaining: quotaInfo.completions.percentRemaining,

unlimited: quotaInfo.completions.unlimited,

overagePermitted: quotaInfo.completions.overagePermitted

),

premiumInteractions: .init(

percentRemaining: quotaInfo.premiumInteractions.percentRemaining,

unlimited: quotaInfo.premiumInteractions.unlimited,

overagePermitted: quotaInfo.premiumInteractions.overagePermitted

),

resetDate: quotaInfo.resetDate,

copilotPlan: quotaInfo.copilotPlan

)

} else {

self.quotaItem.isHidden = true

}

self.toggleCompletions.isHidden = false

self.toggleIgnoreLanguage.isHidden = false

self.signOutItem.isHidden = false

}

private func configureNotAuthorized(status: StatusResponse) {

self.accountItem.view = AccountItemView(

target: self,

action: nil,

userName: status.userName ?? ""

)

self.authStatusItem.isHidden = false

self.authStatusItem.title = "No Subscription"

let submenu = NSMenu()

let attributedNotAuthorizedItem = NSMenuItem()

attributedNotAuthorizedItem.view = ErrorMessageView(

errorMessage: "GitHub Copilot features are disabled. Check your subscription to enable them."

)

attributedNotAuthorizedItem.isEnabled = true

submenu.addItem(attributedNotAuthorizedItem)

self.authStatusItem.submenu = submenu

self.authStatusItem.isEnabled = true

self.quotaItem.isHidden = true

self.toggleCompletions.isHidden = true

self.toggleIgnoreLanguage.isHidden = true

self.signOutItem.isHidden = false

}

private func configureUnknown() {

self.accountItem.view = AccountItemView(

target: self,

action: nil,

userName: "Unknown User"

)

self.authStatusItem.isHidden = true

self.quotaItem.isHidden = true

self.toggleCompletions.isHidden = false

self.toggleIgnoreLanguage.isHidden = false

self.signOutItem.isHidden = false

}

func updateStatusBarItem() {

Task { @MainActor in

let status = await Status.shared.getStatus()

/// Update status bar icon

self.statusBarItem.button?.image = status.icon.nsImage

/// Update auth status related status bar items

switch status.authStatus {

case .notLoggedIn: configureNotLoggedIn()

case .loggedIn: configureLoggedIn(status: status)

case .notAuthorized: configureNotAuthorized(status: status)

case .unknown: configureUnknown()

}

/// Update accessibility permission status bar item

let exclamationmarkImage = NSImage(

systemSymbolName: "exclamationmark.circle.fill",

accessibilityDescription: "Permission not granted"

)

exclamationmarkImage?.isTemplate = false

exclamationmarkImage?.withSymbolConfiguration(.init(paletteColors: [.red]))

if let message = status.message {

self.axStatusItem.title = message

if let image = exclamationmarkImage {

self.axStatusItem.image = image

}

self.axStatusItem.isHidden = false

self.axStatusItem.isEnabled = status.url != nil

} else {

self.axStatusItem.isHidden = true

}

/// Update settings status bar item

if status.extensionStatus == .disabled || status.extensionStatus == .notGranted {

if let image = exclamationmarkImage{

if #available(macOS 15.0, *){

self.extensionStatusItem.image = image

self.extensionStatusItem.title = status.extensionStatus == .notGranted ? "Enable extension for full-featured completion" : "Quit and restart Xcode to enable extension"

self.extensionStatusItem.isHidden = false

self.extensionStatusItem.isEnabled = status.extensionStatus == .notGranted

} else {

self.extensionStatusItem.isHidden = true

self.openCopilotForXcodeItem.image = image

}

}

} else {

self.openCopilotForXcodeItem.image = nil

self.extensionStatusItem.isHidden = true

}

self.markAsProcessing(status.inProgress)

}

}

func markAsProcessing(_ isProcessing: Bool) {

if !isProcessing {

// No longer in progress

progressView?.removeFromSuperview()

progressView = nil

return

}

if progressView != nil {

// Already in progress

return

}

let progress = NSProgressIndicator()

progress.style = .spinning

progress.sizeToFit()

progress.frame = statusBarItem.button?.bounds ?? .zero

progress.isIndeterminate = true

progress.startAnimation(nil)

statusBarItem.button?.addSubview(progress)

statusBarItem.button?.image = nil

progressView = progress

}

@objc func openGitHubDetailsLink() {

Task {

if let url = URL(string: "https://github.com/copilot") {

NSWorkspace.shared.open(url)

}

}

}

[

"com.apple.dt.Xcode",

bundleIdentifierBase,

].contains(bundleIdentifier)

case chatLimitReached

case completionLimitReached

case other

var summary: String {

switch self {

case .chatLimitReached:

return "Monthly Chat Limit Reached"

case .completionLimitReached:

return "Monthly Completion Limit Reached"

case .other:

return "CLS Error"

}

}

let pattern = #"until (\d{1,2}/\d{1,2}/\d{4}, \d{1,2}:\d{2}:\d{2} [AP]M)"#

if let range = message.range(of: pattern, options: .regularExpression) {

return String(message[range].dropFirst(6))

}

return nil

let messageType: CLSMessageType

if message.contains("You've reached your monthly chat messages limit") ||

message.contains("You've reached your monthly chat messages quota") {

messageType = .chatLimitReached

} else if message.contains("Completions limit reached") {

messageType = .completionLimitReached

} else {

messageType = .other

}

let detail: String

if let date = extractDateFromCLSMessage(message) {

detail = "Visit GitHub to check your usage and upgrade to Copilot Pro or wait until \(date) for your limit to reset."

} else {

detail = message

}

return CLSMessage(summary: messageType.summary, detail: detail)