wireguard-apple/Sources/WireGuardApp/UI/macOS/StatusMenu.swift
Jason A. Donenfeld 13b720442d Global: bump copyright year
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
2021-06-17 16:56:46 +02:00

340 lines
12 KiB
Swift

// SPDX-License-Identifier: MIT
// Copyright © 2018-2021 WireGuard LLC. All Rights Reserved.
import Cocoa
protocol StatusMenuWindowDelegate: class {
func showManageTunnelsWindow(completion: ((NSWindow?) -> Void)?)
}
class StatusMenu: NSMenu {
let tunnelsManager: TunnelsManager
var statusMenuItem: NSMenuItem?
var networksMenuItem: NSMenuItem?
var deactivateMenuItem: NSMenuItem?
private let tunnelsBreakdownMenu = NSMenu()
private let tunnelsMenuItem = NSMenuItem(title: tr("macTunnelsMenuTitle"), action: nil, keyEquivalent: "")
private let tunnelsMenuSeparatorItem = NSMenuItem.separator()
private var firstTunnelMenuItemIndex = 0
private var numberOfTunnelMenuItems = 0
private var tunnelsPresentationStyle = StatusMenuTunnelsPresentationStyle.inline
var currentTunnel: TunnelContainer? {
didSet {
updateStatusMenuItems(with: currentTunnel)
}
}
weak var windowDelegate: StatusMenuWindowDelegate?
init(tunnelsManager: TunnelsManager) {
self.tunnelsManager = tunnelsManager
super.init(title: tr("macMenuTitle"))
addStatusMenuItems()
addItem(NSMenuItem.separator())
tunnelsMenuItem.submenu = tunnelsBreakdownMenu
addItem(tunnelsMenuItem)
firstTunnelMenuItemIndex = numberOfItems
populateInitialTunnelMenuItems()
addItem(tunnelsMenuSeparatorItem)
addTunnelManagementItems()
addItem(NSMenuItem.separator())
addApplicationItems()
}
required init(coder decoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func addStatusMenuItems() {
let statusTitle = tr(format: "macStatus (%@)", tr("tunnelStatusInactive"))
let statusMenuItem = NSMenuItem(title: statusTitle, action: nil, keyEquivalent: "")
statusMenuItem.isEnabled = false
addItem(statusMenuItem)
let networksMenuItem = NSMenuItem(title: "", action: nil, keyEquivalent: "")
networksMenuItem.isEnabled = false
networksMenuItem.isHidden = true
addItem(networksMenuItem)
let deactivateMenuItem = NSMenuItem(title: tr("macToggleStatusButtonDeactivate"), action: #selector(deactivateClicked), keyEquivalent: "")
deactivateMenuItem.target = self
deactivateMenuItem.isHidden = true
addItem(deactivateMenuItem)
self.statusMenuItem = statusMenuItem
self.networksMenuItem = networksMenuItem
self.deactivateMenuItem = deactivateMenuItem
}
func updateStatusMenuItems(with tunnel: TunnelContainer?) {
guard let statusMenuItem = statusMenuItem, let networksMenuItem = networksMenuItem, let deactivateMenuItem = deactivateMenuItem else { return }
guard let tunnel = tunnel else {
statusMenuItem.title = tr(format: "macStatus (%@)", tr("tunnelStatusInactive"))
networksMenuItem.title = ""
networksMenuItem.isHidden = true
deactivateMenuItem.isHidden = true
return
}
var statusText: String
switch tunnel.status {
case .waiting:
statusText = tr("tunnelStatusWaiting")
case .inactive:
statusText = tr("tunnelStatusInactive")
case .activating:
statusText = tr("tunnelStatusActivating")
case .active:
statusText = tr("tunnelStatusActive")
case .deactivating:
statusText = tr("tunnelStatusDeactivating")
case .reasserting:
statusText = tr("tunnelStatusReasserting")
case .restarting:
statusText = tr("tunnelStatusRestarting")
}
statusMenuItem.title = tr(format: "macStatus (%@)", statusText)
if tunnel.status == .inactive {
networksMenuItem.title = ""
networksMenuItem.isHidden = true
} else {
let allowedIPs = tunnel.tunnelConfiguration?.peers.flatMap { $0.allowedIPs }.map { $0.stringRepresentation }.joined(separator: ", ") ?? ""
if !allowedIPs.isEmpty {
networksMenuItem.title = tr(format: "macMenuNetworks (%@)", allowedIPs)
} else {
networksMenuItem.title = tr("macMenuNetworksNone")
}
networksMenuItem.isHidden = false
}
deactivateMenuItem.isHidden = tunnel.status != .active
}
func addTunnelManagementItems() {
let manageItem = NSMenuItem(title: tr("macMenuManageTunnels"), action: #selector(manageTunnelsClicked), keyEquivalent: "")
manageItem.target = self
addItem(manageItem)
let importItem = NSMenuItem(title: tr("macMenuImportTunnels"), action: #selector(importTunnelsClicked), keyEquivalent: "")
importItem.target = self
addItem(importItem)
}
func addApplicationItems() {
let aboutItem = NSMenuItem(title: tr("macMenuAbout"), action: #selector(AppDelegate.aboutClicked), keyEquivalent: "")
aboutItem.target = NSApp.delegate
addItem(aboutItem)
let quitItem = NSMenuItem(title: tr("macMenuQuit"), action: #selector(AppDelegate.quit), keyEquivalent: "")
quitItem.target = NSApp.delegate
addItem(quitItem)
}
@objc func deactivateClicked() {
if let currentTunnel = currentTunnel {
tunnelsManager.startDeactivation(of: currentTunnel)
}
}
@objc func tunnelClicked(sender: AnyObject) {
guard let tunnelMenuItem = sender as? TunnelMenuItem else { return }
if tunnelMenuItem.state == .off {
tunnelsManager.startActivation(of: tunnelMenuItem.tunnel)
} else {
tunnelsManager.startDeactivation(of: tunnelMenuItem.tunnel)
}
}
@objc func manageTunnelsClicked() {
windowDelegate?.showManageTunnelsWindow(completion: nil)
}
@objc func importTunnelsClicked() {
windowDelegate?.showManageTunnelsWindow { [weak self] manageTunnelsWindow in
guard let self = self else { return }
guard let manageTunnelsWindow = manageTunnelsWindow else { return }
ImportPanelPresenter.presentImportPanel(tunnelsManager: self.tunnelsManager,
sourceVC: manageTunnelsWindow.contentViewController)
}
}
}
extension StatusMenu {
func insertTunnelMenuItem(for tunnel: TunnelContainer, at tunnelIndex: Int) {
let nextNumberOfTunnels = numberOfTunnelMenuItems + 1
guard !reparentTunnelMenuItems(nextNumberOfTunnels: nextNumberOfTunnels) else {
return
}
let menuItem = makeTunnelItem(tunnel: tunnel)
switch tunnelsPresentationStyle {
case .submenu:
tunnelsBreakdownMenu.insertItem(menuItem, at: tunnelIndex)
case .inline:
insertItem(menuItem, at: firstTunnelMenuItemIndex + tunnelIndex)
}
numberOfTunnelMenuItems = nextNumberOfTunnels
updateTunnelsMenuItemVisibility()
}
func removeTunnelMenuItem(at tunnelIndex: Int) {
let nextNumberOfTunnels = numberOfTunnelMenuItems - 1
guard !reparentTunnelMenuItems(nextNumberOfTunnels: nextNumberOfTunnels) else {
return
}
switch tunnelsPresentationStyle {
case .submenu:
tunnelsBreakdownMenu.removeItem(at: tunnelIndex)
case .inline:
removeItem(at: firstTunnelMenuItemIndex + tunnelIndex)
}
numberOfTunnelMenuItems = nextNumberOfTunnels
updateTunnelsMenuItemVisibility()
}
func moveTunnelMenuItem(from oldTunnelIndex: Int, to newTunnelIndex: Int) {
let tunnel = tunnelsManager.tunnel(at: newTunnelIndex)
let menuItem = makeTunnelItem(tunnel: tunnel)
switch tunnelsPresentationStyle {
case .submenu:
tunnelsBreakdownMenu.removeItem(at: oldTunnelIndex)
tunnelsBreakdownMenu.insertItem(menuItem, at: newTunnelIndex)
case .inline:
removeItem(at: firstTunnelMenuItemIndex + oldTunnelIndex)
insertItem(menuItem, at: firstTunnelMenuItemIndex + newTunnelIndex)
}
}
private func makeTunnelItem(tunnel: TunnelContainer) -> TunnelMenuItem {
let menuItem = TunnelMenuItem(tunnel: tunnel, action: #selector(tunnelClicked(sender:)))
menuItem.target = self
menuItem.isHidden = !tunnel.isTunnelAvailableToUser
return menuItem
}
private func populateInitialTunnelMenuItems() {
let numberOfTunnels = tunnelsManager.numberOfTunnels()
let initialStyle = tunnelsPresentationStyle.preferredPresentationStyle(numberOfTunnels: numberOfTunnels)
tunnelsPresentationStyle = initialStyle
switch initialStyle {
case .inline:
numberOfTunnelMenuItems = addTunnelMenuItems(into: self, at: firstTunnelMenuItemIndex)
case .submenu:
numberOfTunnelMenuItems = addTunnelMenuItems(into: tunnelsBreakdownMenu, at: 0)
}
updateTunnelsMenuItemVisibility()
}
private func reparentTunnelMenuItems(nextNumberOfTunnels: Int) -> Bool {
let nextStyle = tunnelsPresentationStyle.preferredPresentationStyle(numberOfTunnels: nextNumberOfTunnels)
switch (tunnelsPresentationStyle, nextStyle) {
case (.inline, .submenu):
tunnelsPresentationStyle = nextStyle
for index in (0..<numberOfTunnelMenuItems).reversed() {
removeItem(at: firstTunnelMenuItemIndex + index)
}
numberOfTunnelMenuItems = addTunnelMenuItems(into: tunnelsBreakdownMenu, at: 0)
updateTunnelsMenuItemVisibility()
return true
case (.submenu, .inline):
tunnelsPresentationStyle = nextStyle
tunnelsBreakdownMenu.removeAllItems()
numberOfTunnelMenuItems = addTunnelMenuItems(into: self, at: firstTunnelMenuItemIndex)
updateTunnelsMenuItemVisibility()
return true
case (.submenu, .submenu), (.inline, .inline):
return false
}
}
private func addTunnelMenuItems(into menu: NSMenu, at startIndex: Int) -> Int {
let numberOfTunnels = tunnelsManager.numberOfTunnels()
for tunnelIndex in 0..<numberOfTunnels {
let tunnel = tunnelsManager.tunnel(at: tunnelIndex)
let menuItem = makeTunnelItem(tunnel: tunnel)
menu.insertItem(menuItem, at: startIndex + tunnelIndex)
}
return numberOfTunnels
}
private func updateTunnelsMenuItemVisibility() {
switch tunnelsPresentationStyle {
case .inline:
tunnelsMenuItem.isHidden = true
case .submenu:
tunnelsMenuItem.isHidden = false
}
tunnelsMenuSeparatorItem.isHidden = numberOfTunnelMenuItems == 0
}
}
class TunnelMenuItem: NSMenuItem {
var tunnel: TunnelContainer
private var statusObservationToken: AnyObject?
private var nameObservationToken: AnyObject?
init(tunnel: TunnelContainer, action selector: Selector?) {
self.tunnel = tunnel
super.init(title: tunnel.name, action: selector, keyEquivalent: "")
updateStatus()
let statusObservationToken = tunnel.observe(\.status) { [weak self] _, _ in
self?.updateStatus()
}
updateTitle()
let nameObservationToken = tunnel.observe(\TunnelContainer.name) { [weak self] _, _ in
self?.updateTitle()
}
self.statusObservationToken = statusObservationToken
self.nameObservationToken = nameObservationToken
}
required init(coder decoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func updateTitle() {
title = tunnel.name
}
func updateStatus() {
let shouldShowCheckmark = (tunnel.status != .inactive && tunnel.status != .deactivating)
state = shouldShowCheckmark ? .on : .off
}
}
private enum StatusMenuTunnelsPresentationStyle {
case inline
case submenu
func preferredPresentationStyle(numberOfTunnels: Int) -> StatusMenuTunnelsPresentationStyle {
let maxInlineTunnels = 10
if case .inline = self, numberOfTunnels > maxInlineTunnels {
return .submenu
} else if case .submenu = self, numberOfTunnels <= maxInlineTunnels {
return .inline
} else {
return self
}
}
}