From cb051f695db44e7a52e3f423fa27de00c493a9ac Mon Sep 17 00:00:00 2001
From: Eric Kuck <eric@bluelinelabs.com>
Date: Fri, 14 Dec 2018 17:27:11 -0600
Subject: Reorganized project structure

Signed-off-by: Eric Kuck <eric@bluelinelabs.com>
---
 .../UI/iOS/ViewController/MainViewController.swift | 129 +++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 WireGuard/WireGuard/UI/iOS/ViewController/MainViewController.swift

(limited to 'WireGuard/WireGuard/UI/iOS/ViewController/MainViewController.swift')

diff --git a/WireGuard/WireGuard/UI/iOS/ViewController/MainViewController.swift b/WireGuard/WireGuard/UI/iOS/ViewController/MainViewController.swift
new file mode 100644
index 0000000..82e6f81
--- /dev/null
+++ b/WireGuard/WireGuard/UI/iOS/ViewController/MainViewController.swift
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 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 = .white
+        let detailNC = UINavigationController(rootViewController: detailVC)
+
+        let masterVC = TunnelsListTableViewController()
+        let masterNC = UINavigationController(rootViewController: masterVC)
+
+        tunnelsListVC = masterVC
+
+        super.init(nibName: nil, bundle: nil)
+
+        viewControllers = [ masterNC, detailNC ]
+
+        // State restoration
+        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 }
+
+            if let error = result.error {
+                ErrorPresenter.showErrorAlert(error: error, from: self)
+                return
+            }
+            let tunnelsManager: TunnelsManager = result.value!
+
+            self.tunnelsManager = tunnelsManager
+            self.tunnelsListVC?.setTunnelsManager(tunnelsManager: tunnelsManager)
+
+            tunnelsManager.activationDelegate = self
+
+            self.onTunnelsManagerReady?(tunnelsManager)
+            self.onTunnelsManagerReady = nil
+        }
+    }
+}
+
+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) {
+        let showTunnelDetailBlock: (TunnelsManager) -> Void = { [weak self] tunnelsManager in
+            if let tunnel = tunnelsManager.tunnel(named: tunnelName) {
+                let tunnelDetailVC = TunnelDetailTableViewController(tunnelsManager: tunnelsManager, tunnel: tunnel)
+                let tunnelDetailNC = UINavigationController(rootViewController: tunnelDetailVC)
+                tunnelDetailNC.restorationIdentifier = "DetailNC"
+                if let self = self {
+                    if animated {
+                        self.showDetailViewController(tunnelDetailNC, sender: self)
+                    } else {
+                        UIView.performWithoutAnimation {
+                            self.showDetailViewController(tunnelDetailNC, sender: self)
+                        }
+                    }
+                }
+            }
+        }
+        if let tunnelsManager = tunnelsManager {
+            showTunnelDetailBlock(tunnelsManager)
+        } else {
+            onTunnelsManagerReady = showTunnelDetailBlock
+        }
+    }
+}
+
+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
+    }
+}
-- 
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