1 files changed, 142 insertions, 0 deletions
diff --git a/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift b/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift
new file mode 100644
index 0000000..8542296
--- /dev/null
+++ b/Sources/WireGuardApp/UI/iOS/ViewController/MainViewController.swift
@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018-2023 WireGuard LLC. All Rights Reserved.
+
+import UIKit
+
+class MainViewController: UISplitViewController {
+
+    var tunnelsManager: TunnelsManager?
+    var onTunnelsManagerReady: ((TunnelsManager) -> Void)?
+    var tunnelsListVC: TunnelsListTableViewController?
+
+    init() {
+        let detailVC = UIViewController()
+        detailVC.view.backgroundColor = .systemBackground
+        let detailNC = UINavigationController(rootViewController: detailVC)
+
+        let masterVC = TunnelsListTableViewController()
+        let masterNC = UINavigationController(rootViewController: masterVC)
+
+        tunnelsListVC = masterVC
+
+        super.init(nibName: nil, bundle: nil)
+
+        viewControllers = [ masterNC, detailNC ]
+
+        restorationIdentifier = "MainVC"
+        masterNC.restorationIdentifier = "MasterNC"
+        detailNC.restorationIdentifier = "DetailNC"
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        delegate = self
+
+        // On iPad, always show both masterVC and detailVC, even in portrait mode, like the Settings app
+        preferredDisplayMode = .allVisible
+
+        // Create the tunnels manager, and when it's ready, inform tunnelsListVC
+        TunnelsManager.create { [weak self] result in
+            guard let self = self else { return }
+
+            switch result {
+            case .failure(let error):
+                ErrorPresenter.showErrorAlert(error: error, from: self)
+            case .success(let tunnelsManager):
+                self.tunnelsManager = tunnelsManager
+                self.tunnelsListVC?.setTunnelsManager(tunnelsManager: tunnelsManager)
+
+                tunnelsManager.activationDelegate = self
+
+                self.onTunnelsManagerReady?(tunnelsManager)
+                self.onTunnelsManagerReady = nil
+            }
+        }
+    }
+
+    func allTunnelNames() -> [String]? {
+        guard let tunnelsManager = self.tunnelsManager else { return nil }
+        return tunnelsManager.mapTunnels { $0.name }
+    }
+}
+
+extension MainViewController: TunnelsManagerActivationDelegate {
+    func tunnelActivationAttemptFailed(tunnel: TunnelContainer, error: TunnelsManagerActivationAttemptError) {
+        ErrorPresenter.showErrorAlert(error: error, from: self)
+    }
+
+    func tunnelActivationAttemptSucceeded(tunnel: TunnelContainer) {
+        // Nothing to do
+    }
+
+    func tunnelActivationFailed(tunnel: TunnelContainer, error: TunnelsManagerActivationError) {
+        ErrorPresenter.showErrorAlert(error: error, from: self)
+    }
+
+    func tunnelActivationSucceeded(tunnel: TunnelContainer) {
+        // Nothing to do
+    }
+}
+
+extension MainViewController {
+    func refreshTunnelConnectionStatuses() {
+        if let tunnelsManager = tunnelsManager {
+            tunnelsManager.refreshStatuses()
+        }
+    }
+
+    func showTunnelDetailForTunnel(named tunnelName: String, animated: Bool, shouldToggleStatus: Bool) {
+        let showTunnelDetailBlock: (TunnelsManager) -> Void = { [weak self] tunnelsManager in
+            guard let self = self else { return }
+            guard let tunnelsListVC = self.tunnelsListVC else { return }
+            if let tunnel = tunnelsManager.tunnel(named: tunnelName) {
+                tunnelsListVC.showTunnelDetail(for: tunnel, animated: false)
+                if shouldToggleStatus {
+                    if tunnel.status == .inactive {
+                        tunnelsManager.startActivation(of: tunnel)
+                    } else if tunnel.status == .active {
+                        tunnelsManager.startDeactivation(of: tunnel)
+                    }
+                }
+            }
+        }
+        if let tunnelsManager = tunnelsManager {
+            showTunnelDetailBlock(tunnelsManager)
+        } else {
+            onTunnelsManagerReady = showTunnelDetailBlock
+        }
+    }
+
+    func importFromDisposableFile(url: URL) {
+        let importFromFileBlock: (TunnelsManager) -> Void = { [weak self] tunnelsManager in
+            TunnelImporter.importFromFile(urls: [url], into: tunnelsManager, sourceVC: self, errorPresenterType: ErrorPresenter.self) {
+                _ = FileManager.deleteFile(at: url)
+            }
+        }
+        if let tunnelsManager = tunnelsManager {
+            importFromFileBlock(tunnelsManager)
+        } else {
+            onTunnelsManagerReady = importFromFileBlock
+        }
+    }
+}
+
+extension MainViewController: UISplitViewControllerDelegate {
+    func splitViewController(_ splitViewController: UISplitViewController,
+                             collapseSecondary secondaryViewController: UIViewController,
+                             onto primaryViewController: UIViewController) -> Bool {
+        // On iPhone, if the secondaryVC (detailVC) is just a UIViewController, it indicates that it's empty,
+        // so just show the primaryVC (masterVC).
+        let detailVC = (secondaryViewController as? UINavigationController)?.viewControllers.first
+        let isDetailVCEmpty: Bool
+        if let detailVC = detailVC {
+            isDetailVCEmpty = (type(of: detailVC) == UIViewController.self)
+        } else {
+            isDetailVCEmpty = true
+        }
+        return isDetailVCEmpty
+    }
+}