Tunnels list: Show data from the tunnels manager

Signed-off-by: Roopesh Chander <roop@roopc.net>

WireGuard/WireGuard/UI/iOS/TunnelsListTableViewController.swift

@@ -10,6 +10,8 @@ import UIKit
 
 class TunnelsListTableViewController: UITableViewController {
 
+    var tunnelsManager: TunnelsManager? = nil
+
     init() {
         super.init(style: .plain)
     }
@@ -23,6 +25,14 @@ class TunnelsListTableViewController: UITableViewController {
         self.title = "WireGuard"
         let addButtonItem = UIBarButtonItem(barButtonSystemItem: .add, target: self, action: #selector(addButtonTapped(sender:)))
         self.navigationItem.rightBarButtonItem = addButtonItem
+
+        self.tableView.register(TunnelsListTableViewCell.self, forCellReuseIdentifier: TunnelsListTableViewCell.id)
+
+        TunnelsManager.create { [weak self] tunnelsManager in
+            guard let tunnelsManager = tunnelsManager else { return }
+            self?.tunnelsManager = tunnelsManager
+            self?.tableView.reloadData()
+        }
     }
 
     @objc func addButtonTapped(sender: UIBarButtonItem!) {
@@ -34,10 +44,40 @@ class TunnelsListTableViewController: UITableViewController {
 
 extension TunnelsListTableViewController {
     override func numberOfSections(in tableView: UITableView) -> Int {
-        return 0
+        return 1
     }
 
     override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
-        return 0
+        return (tunnelsManager?.numberOfTunnels() ?? 0)
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: TunnelsListTableViewCell.id, for: indexPath) as! TunnelsListTableViewCell
+        if let tunnelsManager = tunnelsManager {
+            let tunnel = tunnelsManager.tunnel(at: indexPath.row)
+            cell.tunnelName = tunnel.name
+        }
+        return cell
+    }
+}
+
+class TunnelsListTableViewCell: UITableViewCell {
+    static let id: String = "TunnelsListTableViewCell"
+    var tunnelName: String {
+        get { return textLabel?.text ?? "" }
+        set(value) { textLabel?.text = value }
+    }
+
+    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
+        super.init(style: style, reuseIdentifier: reuseIdentifier)
+        self.accessoryType = .disclosureIndicator
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func prepareForReuse() {
+        super.prepareForReuse()
     }
 }