cmux/Sources/Update/UpdateController.swift
2026-01-28 01:49:02 -08:00

91 lines
2.6 KiB
Swift

import Sparkle
import Cocoa
import Combine
/// Controller for managing Sparkle updates in cmux.
class UpdateController {
private(set) var updater: SPUUpdater
private let userDriver: UpdateDriver
private var installCancellable: AnyCancellable?
var viewModel: UpdateViewModel {
userDriver.viewModel
}
/// True if we're force-installing an update.
var isInstalling: Bool {
installCancellable != nil
}
init() {
let hostBundle = Bundle.main
self.userDriver = UpdateDriver(viewModel: .init(), hostBundle: hostBundle)
self.updater = SPUUpdater(
hostBundle: hostBundle,
applicationBundle: hostBundle,
userDriver: userDriver,
delegate: userDriver
)
}
deinit {
installCancellable?.cancel()
}
/// Start the updater. If startup fails, the error is shown via the custom UI.
func startUpdater() {
do {
try updater.start()
} catch {
userDriver.viewModel.state = .error(.init(
error: error,
retry: { [weak self] in
self?.userDriver.viewModel.state = .idle
self?.startUpdater()
},
dismiss: { [weak self] in
self?.userDriver.viewModel.state = .idle
}
))
}
}
/// Force install the current update by auto-confirming all installable states.
func installUpdate() {
guard viewModel.state.isInstallable else { return }
guard installCancellable == nil else { return }
installCancellable = viewModel.$state.sink { [weak self] state in
guard let self else { return }
guard state.isInstallable else {
self.installCancellable = nil
return
}
state.confirm()
}
}
/// Check for updates (used by the menu item).
@objc func checkForUpdates() {
UpdateLogStore.shared.append("checkForUpdates invoked (state=\(viewModel.state.isIdle ? "idle" : "busy"))")
if viewModel.state == .idle {
updater.checkForUpdates()
return
}
installCancellable?.cancel()
viewModel.state.cancel()
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(100)) { [weak self] in
self?.updater.checkForUpdates()
}
}
/// Validate the check for updates menu item.
func validateMenuItem(_ item: NSMenuItem) -> Bool {
if item.action == #selector(checkForUpdates) {
return updater.canCheckForUpdates
}
return true
}
}