// // TunnelToggleButton.swift // Passepartout // // Created by Davide De Rosa on 9/7/24. // Copyright (c) 2024 Davide De Rosa. All rights reserved. // // https://github.com/passepartoutvpn // // This file is part of Passepartout. // // Passepartout is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Passepartout is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Passepartout. If not, see <http://www.gnu.org/licenses/>. // import CommonLibrary import CommonUtils import PassepartoutKit import SwiftUI public struct TunnelToggleButton<Label>: View, Routable, ThemeProviding where Label: View { @EnvironmentObject public var theme: Theme @ObservedObject private var tunnel: ExtendedTunnel private let profile: Profile? @Binding private var nextProfileId: Profile.ID? private let errorHandler: ErrorHandler public let flow: ConnectionFlow? private let label: (Bool) -> Label public init( tunnel: ExtendedTunnel, profile: Profile?, nextProfileId: Binding<Profile.ID?>, errorHandler: ErrorHandler, flow: ConnectionFlow?, label: @escaping (Bool) -> Label ) { self.tunnel = tunnel self.profile = profile _nextProfileId = nextProfileId self.errorHandler = errorHandler self.flow = flow self.label = label } public var body: some View { Button(action: tryPerform) { label(canConnect) } #if os(macOS) .buttonStyle(.plain) .cursor(.hand) #endif .disabled(profile == nil || (isInstalled && tunnel.status == .deactivating)) } } private extension TunnelToggleButton { var isInstalled: Bool { profile?.id == tunnel.currentProfile?.id } var canConnect: Bool { !isInstalled || (tunnel.status == .inactive && tunnel.currentProfile?.onDemand != true) } } private extension TunnelToggleButton { func tryPerform() { guard let profile else { return } Task { if !isInstalled { nextProfileId = profile.id } defer { if nextProfileId == profile.id { nextProfileId = nil } } await perform(with: profile) } } func perform(with profile: Profile) async { do { if isInstalled { if canConnect { await flow?.onConnect(profile) } else { try await tunnel.disconnect() } } else { await flow?.onConnect(profile) } } catch is CancellationError { // } catch { errorHandler.handle( error, title: profile.name, message: Strings.Errors.App.tunnel ) } } }