120 lines
4.3 KiB
Swift
120 lines
4.3 KiB
Swift
// SPDX-License-Identifier: MIT
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// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
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import Cocoa
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// Keeps track of tunnels and informs the following objects of changes in tunnels:
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// - Status menu
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// - Status item controller
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// - Tunnels list view controller in the Manage Tunnels window
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class TunnelsTracker {
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weak var statusMenu: StatusMenu? {
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didSet {
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statusMenu?.currentTunnel = currentTunnel
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}
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}
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weak var statusItemController: StatusItemController? {
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didSet {
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statusItemController?.currentTunnel = currentTunnel
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}
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}
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weak var manageTunnelsRootVC: ManageTunnelsRootViewController?
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private var tunnelsManager: TunnelsManager
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private var tunnelStatusObservers = [AnyObject]()
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private(set) var currentTunnel: TunnelContainer? {
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didSet {
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statusMenu?.currentTunnel = currentTunnel
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statusItemController?.currentTunnel = currentTunnel
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}
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}
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init(tunnelsManager: TunnelsManager) {
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self.tunnelsManager = tunnelsManager
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currentTunnel = tunnelsManager.tunnelInOperation()
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for index in 0 ..< tunnelsManager.numberOfTunnels() {
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let tunnel = tunnelsManager.tunnel(at: index)
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let statusObservationToken = observeStatus(of: tunnel)
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tunnelStatusObservers.insert(statusObservationToken, at: index)
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}
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tunnelsManager.tunnelsListDelegate = self
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tunnelsManager.activationDelegate = self
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}
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func observeStatus(of tunnel: TunnelContainer) -> AnyObject {
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return tunnel.observe(\.status) { [weak self] tunnel, _ in
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guard let self = self else { return }
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if tunnel.status == .deactivating || tunnel.status == .inactive {
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if self.currentTunnel == tunnel {
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self.currentTunnel = self.tunnelsManager.tunnelInOperation()
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}
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} else {
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self.currentTunnel = tunnel
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}
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}
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}
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}
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extension TunnelsTracker: TunnelsManagerListDelegate {
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func tunnelAdded(at index: Int) {
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let tunnel = tunnelsManager.tunnel(at: index)
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if tunnel.status != .deactivating && tunnel.status != .inactive {
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self.currentTunnel = tunnel
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}
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let statusObservationToken = observeStatus(of: tunnel)
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tunnelStatusObservers.insert(statusObservationToken, at: index)
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statusMenu?.insertTunnelMenuItem(for: tunnel, at: index)
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manageTunnelsRootVC?.tunnelsListVC?.tunnelAdded(at: index)
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}
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func tunnelModified(at index: Int) {
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manageTunnelsRootVC?.tunnelsListVC?.tunnelModified(at: index)
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}
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func tunnelMoved(from oldIndex: Int, to newIndex: Int) {
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let statusObserver = tunnelStatusObservers.remove(at: oldIndex)
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tunnelStatusObservers.insert(statusObserver, at: newIndex)
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statusMenu?.moveTunnelMenuItem(from: oldIndex, to: newIndex)
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manageTunnelsRootVC?.tunnelsListVC?.tunnelMoved(from: oldIndex, to: newIndex)
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}
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func tunnelRemoved(at index: Int, tunnel: TunnelContainer) {
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tunnelStatusObservers.remove(at: index)
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statusMenu?.removeTunnelMenuItem(at: index)
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manageTunnelsRootVC?.tunnelsListVC?.tunnelRemoved(at: index)
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}
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}
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extension TunnelsTracker: TunnelsManagerActivationDelegate {
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func tunnelActivationAttemptFailed(tunnel: TunnelContainer, error: TunnelsManagerActivationAttemptError) {
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if let manageTunnelsRootVC = manageTunnelsRootVC, manageTunnelsRootVC.view.window?.isVisible ?? false {
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ErrorPresenter.showErrorAlert(error: error, from: manageTunnelsRootVC)
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} else {
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ErrorPresenter.showErrorAlert(error: error, from: nil)
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}
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}
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func tunnelActivationAttemptSucceeded(tunnel: TunnelContainer) {
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// Nothing to do
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}
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func tunnelActivationFailed(tunnel: TunnelContainer, error: TunnelsManagerActivationError) {
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if let manageTunnelsRootVC = manageTunnelsRootVC, manageTunnelsRootVC.view.window?.isVisible ?? false {
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ErrorPresenter.showErrorAlert(error: error, from: manageTunnelsRootVC)
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} else {
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ErrorPresenter.showErrorAlert(error: error, from: nil)
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}
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}
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func tunnelActivationSucceeded(tunnel: TunnelContainer) {
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// Nothing to do
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}
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}
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