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//
// ConnectionViewViewModel.swift
// MullvadVPN
//
// Created by Jon Petersson on 2024-12-09.
// Copyright © 2025 Mullvad VPN AB. All rights reserved.
//
import Combine
import MullvadREST
import MullvadSettings
import MullvadTypes
import SwiftUI
class ConnectionViewViewModel: ObservableObject {
enum TunnelActionButton {
case connect
case disconnect
case cancel
}
enum TunnelAction {
case connect
case disconnect
case cancel
case reconnect
case selectLocation
}
@Published private(set) var tunnelStatus: TunnelStatus
@Published var outgoingConnectionInfo: OutgoingConnectionInfo?
@Published var showsActivityIndicator = false
@Published var relayConstraints: RelayConstraints
let destinationDescriber: DestinationDescribing
var tunnelIsConnected: Bool {
if case .connected = tunnelStatus.state {
true
} else {
false
}
}
var connectionName: String? {
if case let .only(loc) = relayConstraints.exitLocations {
return destinationDescriber.describe(loc)
}
return nil
}
init(
tunnelStatus: TunnelStatus,
relayConstraints: RelayConstraints,
relayCache: RelayCacheProtocol,
customListRepository: CustomListRepositoryProtocol
) {
self.tunnelStatus = tunnelStatus
self.relayConstraints = relayConstraints
self.destinationDescriber = DestinationDescriber(
relayCache: relayCache,
customListRepository: customListRepository
)
}
func update(tunnelStatus: TunnelStatus) {
self.tunnelStatus = tunnelStatus
}
}
extension ConnectionViewViewModel {
var showsConnectionDetails: Bool {
switch tunnelStatus.state {
case .connecting, .reconnecting, .negotiatingEphemeralPeer,
.connected, .pendingReconnect:
true
case .disconnecting, .disconnected, .waitingForConnectivity, .error:
false
}
}
var textColorForSecureLabel: UIColor {
switch tunnelStatus.state {
case .connecting, .reconnecting, .waitingForConnectivity(.noConnection), .negotiatingEphemeralPeer,
.pendingReconnect, .disconnecting:
.white
case .connected:
.successColor
case .disconnected, .waitingForConnectivity(.noNetwork), .error:
.dangerColor
}
}
var disableButtons: Bool {
if case .waitingForConnectivity(.noNetwork) = tunnelStatus.state {
true
} else {
false
}
}
var localizedTitleForSecureLabel: LocalizedStringKey {
switch tunnelStatus.state {
case .connecting, .reconnecting, .negotiatingEphemeralPeer:
LocalizedStringKey("CONNECTING...")
case .connected:
LocalizedStringKey("CONNECTED")
case .disconnecting(.nothing):
LocalizedStringKey("DISCONNECTING...")
case .disconnecting(.reconnect), .pendingReconnect:
LocalizedStringKey("RECONNECTING")
case .disconnected:
LocalizedStringKey("DISCONNECTED")
case .waitingForConnectivity(.noConnection), .error:
LocalizedStringKey("BLOCKED CONNECTION")
case .waitingForConnectivity(.noNetwork):
LocalizedStringKey("NO NETWORK")
}
}
var accessibilityIdForSecureLabel: AccessibilityIdentifier {
switch tunnelStatus.state {
case .connected:
.connectionStatusConnectedLabel
case .connecting:
.connectionStatusConnectingLabel
default:
.connectionStatusNotConnectedLabel
}
}
var localizedAccessibilityLabelForSecureLabel: LocalizedStringKey {
switch tunnelStatus.state {
case .disconnected, .waitingForConnectivity, .disconnecting, .pendingReconnect, .error:
localizedTitleForSecureLabel
case let .connected(tunnelInfo, _, _):
LocalizedStringKey(
"Connected to \([tunnelInfo.exit.location.city,tunnelInfo.exit.location.country].joined(separator: ", "))"
)
case let .connecting(tunnelInfo, _, _):
if let tunnelInfo {
LocalizedStringKey(
"Connecting to \([tunnelInfo.exit.location.city,tunnelInfo.exit.location.country].joined(separator: ", "))"
)
} else {
localizedTitleForSecureLabel
}
case let .reconnecting(tunnelInfo, _, _), let .negotiatingEphemeralPeer(tunnelInfo, _, _, _):
LocalizedStringKey(
"Reconnecting to \([tunnelInfo.exit.location.city,tunnelInfo.exit.location.country].joined(separator: ", "))"
)
}
}
var localizedTitleForSelectLocationButton: LocalizedStringKey {
switch tunnelStatus.state {
case .disconnecting, .pendingReconnect, .disconnected, .waitingForConnectivity(.noNetwork):
LocalizedStringKey(connectionName ?? "Select location")
case .connecting, .connected, .reconnecting, .waitingForConnectivity(.noConnection),
.negotiatingEphemeralPeer, .error:
LocalizedStringKey("Switch location")
}
}
var actionButton: TunnelActionButton {
switch tunnelStatus.state {
case .disconnected, .disconnecting(.nothing), .waitingForConnectivity(.noNetwork):
.connect
case .connecting, .pendingReconnect, .disconnecting(.reconnect), .waitingForConnectivity(.noConnection),
.negotiatingEphemeralPeer:
.cancel
case .connected, .reconnecting, .error:
.disconnect
}
}
var titleForCountryAndCity: LocalizedStringKey? {
guard let tunnelRelays = tunnelStatus.state.relays else {
return nil
}
return LocalizedStringKey("\(tunnelRelays.exit.location.country), \(tunnelRelays.exit.location.city)")
}
var titleForServer: LocalizedStringKey? {
guard let tunnelRelays = tunnelStatus.state.relays else {
return nil
}
let exitName = tunnelRelays.exit.hostname
let entryName = tunnelRelays.entry?.hostname
return if let entryName {
LocalizedStringKey("\(exitName) via \(entryName)")
} else {
"\(exitName)"
}
}
var inAddress: String? {
guard let tunnelRelays = tunnelStatus.state.relays else {
return nil
}
let observedTunnelState = tunnelStatus.observedState
var portAndTransport = ""
if let connectionState = observedTunnelState.connectionState {
let inPort = connectionState.remotePort
let protocolLayer = connectionState.transportLayer.name
portAndTransport = ":\(inPort) \(protocolLayer)"
}
guard
let address = tunnelRelays.entry?.endpoint.ipv4Relay.ip
?? tunnelStatus.state.relays?.exit.endpoint.ipv4Relay.ip
else {
return nil
}
return "\(address)\(portAndTransport)"
}
var outAddressIpv4: String? {
guard
let outgoingConnectionInfo,
let address = outgoingConnectionInfo.ipv4.exitIP ? outgoingConnectionInfo.ipv4.ip : nil
else {
return nil
}
return "\(address)"
}
var outAddressIpv6: String? {
guard
let outgoingConnectionInfo,
let ipv6 = outgoingConnectionInfo.ipv6,
let address = ipv6.exitIP ? ipv6.ip : nil
else {
return nil
}
return "\(address)"
}
}
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