Reorganized ViewControllers (split out UIViews and UITableViewCells into their own classes)

All swiftlint warnings except one fixed up

Signed-off-by: Eric Kuck <eric@bluelinelabs.com>

1 files changed, 111 insertions, 0 deletions

diff --git a/WireGuard/WireGuard/UI/iOS/TunnelList/TunnelListCell.swift b/WireGuard/WireGuard/UI/iOS/TunnelList/TunnelListCell.swift
new file mode 100644
index 0000000..95055c5
--- /dev/null
+++ b/WireGuard/WireGuard/UI/iOS/TunnelList/TunnelListCell.swift
@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import UIKit
+
+class TunnelListCell: UITableViewCell {
+    var tunnel: TunnelContainer? {
+        didSet(value) {
+            // Bind to the tunnel's name
+            nameLabel.text = tunnel?.name ?? ""
+            nameObservervationToken = tunnel?.observe(\.name) { [weak self] tunnel, _ in
+                self?.nameLabel.text = tunnel.name
+            }
+            // Bind to the tunnel's status
+            update(from: tunnel?.status)
+            statusObservervationToken = tunnel?.observe(\.status) { [weak self] tunnel, _ in
+                self?.update(from: tunnel.status)
+            }
+        }
+    }
+    var onSwitchToggled: ((Bool) -> Void)?
+    
+    let nameLabel: UILabel = {
+        let nameLabel = UILabel()
+        nameLabel.font = UIFont.preferredFont(forTextStyle: .body)
+        nameLabel.adjustsFontForContentSizeCategory = true
+        nameLabel.numberOfLines = 0
+        return nameLabel
+    }()
+    
+    let busyIndicator: UIActivityIndicatorView = {
+        let busyIndicator = UIActivityIndicatorView(style: .gray)
+        busyIndicator.hidesWhenStopped = true
+        return busyIndicator
+    }()
+    
+    let statusSwitch = UISwitch()
+    
+    private var statusObservervationToken: AnyObject?
+    private var nameObservervationToken: AnyObject?
+    
+    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
+        super.init(style: style, reuseIdentifier: reuseIdentifier)
+        
+        contentView.addSubview(statusSwitch)
+        statusSwitch.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            statusSwitch.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
+            contentView.rightAnchor.constraint(equalTo: statusSwitch.rightAnchor)
+            ])
+        
+        contentView.addSubview(busyIndicator)
+        busyIndicator.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            busyIndicator.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
+            statusSwitch.leftAnchor.constraint(equalToSystemSpacingAfter: busyIndicator.rightAnchor, multiplier: 1)
+            ])
+        
+        contentView.addSubview(nameLabel)
+        nameLabel.translatesAutoresizingMaskIntoConstraints = false
+        nameLabel.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)
+        let bottomAnchorConstraint = contentView.layoutMarginsGuide.bottomAnchor.constraint(equalToSystemSpacingBelow: nameLabel.bottomAnchor, multiplier: 1)
+        bottomAnchorConstraint.priority = .defaultLow
+        NSLayoutConstraint.activate([
+            nameLabel.topAnchor.constraint(equalToSystemSpacingBelow: contentView.layoutMarginsGuide.topAnchor, multiplier: 1),
+            nameLabel.leftAnchor.constraint(equalToSystemSpacingAfter: contentView.layoutMarginsGuide.leftAnchor, multiplier: 1),
+            busyIndicator.leftAnchor.constraint(equalToSystemSpacingAfter: nameLabel.rightAnchor, multiplier: 1),
+            bottomAnchorConstraint
+            ])
+        
+        accessoryType = .disclosureIndicator
+        
+        statusSwitch.addTarget(self, action: #selector(switchToggled), for: .valueChanged)
+    }
+    
+    @objc func switchToggled() {
+        onSwitchToggled?(statusSwitch.isOn)
+    }
+    
+    private func update(from status: TunnelStatus?) {
+        guard let status = status else {
+            reset()
+            return
+        }
+        DispatchQueue.main.async { [weak statusSwitch, weak busyIndicator] in
+            guard let statusSwitch = statusSwitch, let busyIndicator = busyIndicator else { return }
+            statusSwitch.isOn = !(status == .deactivating || status == .inactive)
+            statusSwitch.isUserInteractionEnabled = (status == .inactive || status == .active)
+            if status == .inactive || status == .active {
+                busyIndicator.stopAnimating()
+            } else {
+                busyIndicator.startAnimating()
+            }
+        }
+    }
+    
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    private func reset() {
+        statusSwitch.isOn = false
+        statusSwitch.isUserInteractionEnabled = false
+        busyIndicator.stopAnimating()
+    }
+    
+    override func prepareForReuse() {
+        super.prepareForReuse()
+        reset()
+    }
+}