macOS: Manage tunnels window: Tunnels list

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

6 files changed, 240 insertions, 1 deletions

diff --git a/WireGuard/WireGuard.xcodeproj/project.pbxproj b/WireGuard/WireGuard.xcodeproj/project.pbxproj
index f4c2a31..783efae 100644
--- a/WireGuard/WireGuard.xcodeproj/project.pbxproj
+++ b/WireGuard/WireGuard.xcodeproj/project.pbxproj
@@ -26,6 +26,9 @@
 		5FF7B96321CC95DE00A7DD74 /* InterfaceConfiguration.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5FF7B96121CC95DE00A7DD74 /* InterfaceConfiguration.swift */; };
 		5FF7B96521CC95FA00A7DD74 /* PeerConfiguration.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5FF7B96421CC95FA00A7DD74 /* PeerConfiguration.swift */; };
 		5FF7B96621CC95FA00A7DD74 /* PeerConfiguration.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5FF7B96421CC95FA00A7DD74 /* PeerConfiguration.swift */; };
+		6F4DD16B21DA558800690EAE /* TunnelListCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F4DD16A21DA558800690EAE /* TunnelListCell.swift */; };
+		6F4DD16C21DA558F00690EAE /* NSTableView+Reuse.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F4DD16721DA552B00690EAE /* NSTableView+Reuse.swift */; };
+		6F4DD16E21DBEA0700690EAE /* ManageTunnelsRootViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F4DD16D21DBEA0700690EAE /* ManageTunnelsRootViewController.swift */; };
 		6F5A2B4621AFDED40081EDD8 /* FileManager+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F5A2B4421AFDE020081EDD8 /* FileManager+Extension.swift */; };
 		6F5A2B4821AFF49A0081EDD8 /* FileManager+Extension.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F5A2B4421AFDE020081EDD8 /* FileManager+Extension.swift */; };
 		6F5D0C1D218352EF000F85AD /* PacketTunnelProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6F5D0C1C218352EF000F85AD /* PacketTunnelProvider.swift */; };
@@ -112,6 +115,7 @@
 		6FBA103F21D6B6FF0051C35F /* TunnelImporter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FBA103D21D6B6D70051C35F /* TunnelImporter.swift */; };
 		6FBA104021D6B7040051C35F /* ErrorPresenterProtocol.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FBA103A21D6B4280051C35F /* ErrorPresenterProtocol.swift */; };
 		6FBA104321D6BC250051C35F /* ErrorPresenter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FBA104121D6BC210051C35F /* ErrorPresenter.swift */; };
+		6FBA104621D7EBFA0051C35F /* TunnelsListTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FBA104521D7EBFA0051C35F /* TunnelsListTableViewController.swift */; };
 		6FDEF7E421846C1A00D8FBF6 /* libwg-go.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 6FDEF7E321846C1A00D8FBF6 /* libwg-go.a */; };
 		6FDEF7E62185EFB200D8FBF6 /* QRScanViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7E52185EFAF00D8FBF6 /* QRScanViewController.swift */; };
 		6FDEF7FB21863B6100D8FBF6 /* unzip.c in Sources */ = {isa = PBXBuildFile; fileRef = 6FDEF7F621863B6100D8FBF6 /* unzip.c */; };
@@ -212,6 +216,9 @@
 		5F9696AF21CD7128008063FE /* TunnelConfiguration+WgQuickConfig.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "TunnelConfiguration+WgQuickConfig.swift"; sourceTree = "<group>"; };
 		5FF7B96121CC95DE00A7DD74 /* InterfaceConfiguration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = InterfaceConfiguration.swift; sourceTree = "<group>"; };
 		5FF7B96421CC95FA00A7DD74 /* PeerConfiguration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PeerConfiguration.swift; sourceTree = "<group>"; };
+		6F4DD16721DA552B00690EAE /* NSTableView+Reuse.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "NSTableView+Reuse.swift"; sourceTree = "<group>"; };
+		6F4DD16A21DA558800690EAE /* TunnelListCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TunnelListCell.swift; sourceTree = "<group>"; };
+		6F4DD16D21DBEA0700690EAE /* ManageTunnelsRootViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ManageTunnelsRootViewController.swift; sourceTree = "<group>"; };
 		6F5A2B4421AFDE020081EDD8 /* FileManager+Extension.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "FileManager+Extension.swift"; sourceTree = "<group>"; };
 		6F5D0C1421832391000F85AD /* DNSResolver.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DNSResolver.swift; sourceTree = "<group>"; };
 		6F5D0C1A218352EF000F85AD /* WireGuardNetworkExtensioniOS.appex */ = {isa = PBXFileReference; explicitFileType = "wrapper.app-extension"; includeInIndex = 0; path = WireGuardNetworkExtensioniOS.appex; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -258,6 +265,7 @@
 		6FBA103A21D6B4280051C35F /* ErrorPresenterProtocol.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ErrorPresenterProtocol.swift; sourceTree = "<group>"; };
 		6FBA103D21D6B6D70051C35F /* TunnelImporter.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TunnelImporter.swift; sourceTree = "<group>"; };
 		6FBA104121D6BC210051C35F /* ErrorPresenter.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ErrorPresenter.swift; sourceTree = "<group>"; };
+		6FBA104521D7EBFA0051C35F /* TunnelsListTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TunnelsListTableViewController.swift; sourceTree = "<group>"; };
 		6FDEF7E321846C1A00D8FBF6 /* libwg-go.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = "libwg-go.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 		6FDEF7E52185EFAF00D8FBF6 /* QRScanViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = QRScanViewController.swift; sourceTree = "<group>"; };
 		6FDEF7F621863B6100D8FBF6 /* unzip.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = unzip.c; sourceTree = "<group>"; };
@@ -350,6 +358,14 @@
 			path = ViewController;
 			sourceTree = "<group>";
 		};
+		6F4DD16921DA556600690EAE /* View */ = {
+			isa = PBXGroup;
+			children = (
+				6F4DD16A21DA558800690EAE /* TunnelListCell.swift */,
+			);
+			path = View;
+			sourceTree = "<group>";
+		};
 		6F5D0C1B218352EF000F85AD /* WireGuardNetworkExtension */ = {
 			isa = PBXGroup;
 			children = (
@@ -464,6 +480,8 @@
 		6FB1BD5E21D2607A00A991BF /* macOS */ = {
 			isa = PBXGroup;
 			children = (
+				6F4DD16921DA556600690EAE /* View */,
+				6FBA104421D7EA750051C35F /* ViewController */,
 				6FBA101321D613F30051C35F /* Application.swift */,
 				6FB1BD5F21D2607A00A991BF /* AppDelegate.swift */,
 				6FBA101621D655340051C35F /* StatusMenu.swift */,
@@ -471,10 +489,20 @@
 				6FB1BD6121D2607E00A991BF /* Assets.xcassets */,
 				6FB1BD6621D2607E00A991BF /* Info.plist */,
 				6FB1BD6721D2607E00A991BF /* WireGuard.entitlements */,
+				6F4DD16721DA552B00690EAE /* NSTableView+Reuse.swift */,
 			);
 			path = macOS;
 			sourceTree = "<group>";
 		};
+		6FBA104421D7EA750051C35F /* ViewController */ = {
+			isa = PBXGroup;
+			children = (
+				6FBA104521D7EBFA0051C35F /* TunnelsListTableViewController.swift */,
+				6F4DD16D21DBEA0700690EAE /* ManageTunnelsRootViewController.swift */,
+			);
+			path = ViewController;
+			sourceTree = "<group>";
+		};
 		6FDEF7E72186320E00D8FBF6 /* ZipArchive */ = {
 			isa = PBXGroup;
 			children = (
@@ -1021,11 +1049,14 @@
 				6FB1BDD021D50F5300A991BF /* TunnelErrors.swift in Sources */,
 				6FB1BDD121D50F5300A991BF /* ZipImporter.swift in Sources */,
 				6FB1BDD221D50F5300A991BF /* ZipExporter.swift in Sources */,
+				6FBA104621D7EBFA0051C35F /* TunnelsListTableViewController.swift in Sources */,
 				6FB1BDD321D50F5300A991BF /* ZipArchive.swift in Sources */,
 				6FB1BDD421D50F5300A991BF /* ioapi.c in Sources */,
 				6FB1BDD521D50F5300A991BF /* unzip.c in Sources */,
 				6FB1BDD621D50F5300A991BF /* zip.c in Sources */,
 				6FB1BDD721D50F5300A991BF /* WireGuardAppError.swift in Sources */,
+				6F4DD16E21DBEA0700690EAE /* ManageTunnelsRootViewController.swift in Sources */,
+				6F4DD16C21DA558F00690EAE /* NSTableView+Reuse.swift in Sources */,
 				6FB1BDD821D50F5300A991BF /* WireGuardResult.swift in Sources */,
 				6FB1BDD921D50F5300A991BF /* LocalizationHelper.swift in Sources */,
 				6FB1BDCA21D50F1700A991BF /* x25519.c in Sources */,
@@ -1034,6 +1065,7 @@
 				6FB1BDBC21D50F0200A991BF /* ringlogger.c in Sources */,
 				6FB1BDBD21D50F0200A991BF /* ringlogger.h in Sources */,
 				6FBA103F21D6B6FF0051C35F /* TunnelImporter.swift in Sources */,
+				6F4DD16B21DA558800690EAE /* TunnelListCell.swift in Sources */,
 				6FB1BDBE21D50F0200A991BF /* Logger.swift in Sources */,
 				6FB1BDBF21D50F0200A991BF /* TunnelConfiguration+WgQuickConfig.swift in Sources */,
 				6FB1BDC021D50F0200A991BF /* NETunnelProviderProtocol+Extension.swift in Sources */,
diff --git a/WireGuard/WireGuard/UI/macOS/NSTableView+Reuse.swift b/WireGuard/WireGuard/UI/macOS/NSTableView+Reuse.swift
new file mode 100644
index 0000000..3a36b6a
--- /dev/null
+++ b/WireGuard/WireGuard/UI/macOS/NSTableView+Reuse.swift
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+extension NSTableView {
+    func dequeueReusableCell<T: NSView>() -> T {
+        let identifier = NSUserInterfaceItemIdentifier(NSStringFromClass(T.self))
+        if let cellView = makeView(withIdentifier: identifier, owner: self) {
+            //swiftlint:disable:next force_cast
+            return cellView as! T
+        }
+        let cellView = T()
+        cellView.identifier = identifier
+        return cellView
+    }
+}
diff --git a/WireGuard/WireGuard/UI/macOS/StatusMenu.swift b/WireGuard/WireGuard/UI/macOS/StatusMenu.swift
index a41cea4..a539073 100644
--- a/WireGuard/WireGuard/UI/macOS/StatusMenu.swift
+++ b/WireGuard/WireGuard/UI/macOS/StatusMenu.swift
@@ -116,7 +116,11 @@ class StatusMenu: NSMenu {
     }
 
     @objc func manageTunnelsClicked() {
-        print("Unimplemented")
+        let manageTunnelsRootVC = ManageTunnelsRootViewController(tunnelsManager: tunnelsManager)
+        let window = NSWindow(contentViewController: manageTunnelsRootVC)
+        window.setFrameAutosaveName(NSWindow.FrameAutosaveName("ManageTunnelsWindow")) // Auto-save window position and size
+        NSApp.activate(ignoringOtherApps: true)
+        window.makeKeyAndOrderFront(self)
     }
 
     @objc func importTunnelsClicked() {
diff --git a/WireGuard/WireGuard/UI/macOS/View/TunnelListCell.swift b/WireGuard/WireGuard/UI/macOS/View/TunnelListCell.swift
new file mode 100644
index 0000000..11bf73c
--- /dev/null
+++ b/WireGuard/WireGuard/UI/macOS/View/TunnelListCell.swift
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class TunnelListCell: NSView {
+    var tunnel: TunnelContainer? {
+        didSet(value) {
+            // Bind to the tunnel's name
+            nameLabel.stringValue = tunnel?.name ?? ""
+            nameObservationToken = tunnel?.observe(\TunnelContainer.name) { [weak self] tunnel, _ in
+                self?.nameLabel.stringValue = tunnel.name
+            }
+            // Bind to the tunnel's status
+            statusImageView.image = TunnelListCell.image(for: tunnel?.status)
+            statusObservationToken = tunnel?.observe(\TunnelContainer.status) { [weak self] tunnel, _ in
+                self?.statusImageView.image = TunnelListCell.image(for: tunnel.status)
+            }
+        }
+    }
+
+    let nameLabel: NSTextField = {
+        let nameLabel = NSTextField()
+        nameLabel.isEditable = false
+        nameLabel.isSelectable = false
+        nameLabel.isBordered = false
+        nameLabel.maximumNumberOfLines = 1
+        nameLabel.lineBreakMode = .byTruncatingTail
+        return nameLabel
+    }()
+
+    let statusImageView = NSImageView()
+
+    private var statusObservationToken: AnyObject?
+    private var nameObservationToken: AnyObject?
+
+    init() {
+        super.init(frame: CGRect.zero)
+
+        addSubview(statusImageView)
+        addSubview(nameLabel)
+        statusImageView.translatesAutoresizingMaskIntoConstraints = false
+        nameLabel.translatesAutoresizingMaskIntoConstraints = false
+        nameLabel.backgroundColor = .clear
+        NSLayoutConstraint.activate([
+            self.leadingAnchor.constraint(equalTo: statusImageView.leadingAnchor),
+            statusImageView.trailingAnchor.constraint(equalTo: nameLabel.leadingAnchor),
+            statusImageView.widthAnchor.constraint(equalToConstant: 20),
+            nameLabel.trailingAnchor.constraint(equalTo: self.trailingAnchor),
+            statusImageView.centerYAnchor.constraint(equalTo: self.centerYAnchor),
+            nameLabel.centerYAnchor.constraint(equalTo: self.centerYAnchor)
+        ])
+    }
+
+    required init?(coder decoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    static func image(for status: TunnelStatus?) -> NSImage? {
+        guard let status = status else { return nil }
+        switch status {
+        case .active, .restarting, .reasserting:
+            return NSImage(named: NSImage.statusAvailableName)
+        case .activating, .waiting:
+            return NSImage(named: NSImage.statusPartiallyAvailableName)
+        case .deactivating, .inactive:
+            return nil
+        }
+    }
+
+    override func prepareForReuse() {
+        nameLabel.stringValue = ""
+        statusImageView.image = nil
+    }
+}
diff --git a/WireGuard/WireGuard/UI/macOS/ViewController/ManageTunnelsRootViewController.swift b/WireGuard/WireGuard/UI/macOS/ViewController/ManageTunnelsRootViewController.swift
new file mode 100644
index 0000000..e63235a
--- /dev/null
+++ b/WireGuard/WireGuard/UI/macOS/ViewController/ManageTunnelsRootViewController.swift
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class ManageTunnelsRootViewController: NSViewController {
+
+    let tunnelsManager: TunnelsManager
+
+    init(tunnelsManager: TunnelsManager) {
+        self.tunnelsManager = tunnelsManager
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func loadView() {
+        view = NSView()
+
+        let horizontalSpacing: CGFloat = 30
+        let verticalSpacing: CGFloat = 20
+
+        let container = NSLayoutGuide()
+        view.addLayoutGuide(container)
+        NSLayoutConstraint.activate([
+            container.topAnchor.constraint(equalTo: view.topAnchor, constant: verticalSpacing),
+            view.bottomAnchor.constraint(equalTo: container.bottomAnchor, constant: verticalSpacing),
+            container.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: horizontalSpacing),
+            view.trailingAnchor.constraint(equalTo: container.trailingAnchor, constant: horizontalSpacing)
+        ])
+
+        let tunnelsListVC = TunnelsListTableViewController(tunnelsManager: tunnelsManager)
+        let tunnelsListView = tunnelsListVC.view
+        let tunnelDetailView = NSView()
+        tunnelDetailView.wantsLayer = true
+        tunnelDetailView.layer?.backgroundColor = NSColor.gray.cgColor
+
+        addChild(tunnelsListVC)
+        view.addSubview(tunnelsListView)
+        view.addSubview(tunnelDetailView)
+
+        tunnelsListView.translatesAutoresizingMaskIntoConstraints = false
+        tunnelDetailView.translatesAutoresizingMaskIntoConstraints = false
+
+        NSLayoutConstraint.activate([
+            tunnelsListView.topAnchor.constraint(equalTo: container.topAnchor),
+            tunnelsListView.bottomAnchor.constraint(equalTo: container.bottomAnchor),
+            tunnelsListView.leadingAnchor.constraint(equalTo: container.leadingAnchor),
+            tunnelDetailView.leadingAnchor.constraint(equalTo: tunnelsListView.trailingAnchor, constant: horizontalSpacing),
+            tunnelDetailView.trailingAnchor.constraint(equalTo: container.trailingAnchor),
+            tunnelsListView.widthAnchor.constraint(equalTo: container.widthAnchor, multiplier: 0.3)
+        ])
+    }
+}
diff --git a/WireGuard/WireGuard/UI/macOS/ViewController/TunnelsListTableViewController.swift b/WireGuard/WireGuard/UI/macOS/ViewController/TunnelsListTableViewController.swift
new file mode 100644
index 0000000..47658d6
--- /dev/null
+++ b/WireGuard/WireGuard/UI/macOS/ViewController/TunnelsListTableViewController.swift
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: MIT
+// Copyright © 2018 WireGuard LLC. All Rights Reserved.
+
+import Cocoa
+
+class TunnelsListTableViewController: NSViewController {
+
+    let tunnelsManager: TunnelsManager
+
+    let tableView: NSTableView = {
+        let tableView = NSTableView()
+        tableView.addTableColumn(NSTableColumn(identifier: NSUserInterfaceItemIdentifier("TunnelsList")))
+        tableView.headerView = nil
+        tableView.rowSizeStyle = .medium
+        return tableView
+    }()
+
+    init(tunnelsManager: TunnelsManager) {
+        self.tunnelsManager = tunnelsManager
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func loadView() {
+        tableView.dataSource = self
+        tableView.delegate = self
+
+        let scrollView = NSScrollView()
+        scrollView.hasVerticalScroller = true
+        scrollView.autohidesScrollers = true
+
+        let clipView = NSClipView()
+        clipView.documentView = tableView
+        scrollView.contentView = clipView
+
+        self.view = scrollView
+    }
+}
+
+extension TunnelsListTableViewController: NSTableViewDataSource {
+    func numberOfRows(in tableView: NSTableView) -> Int {
+        return tunnelsManager.numberOfTunnels()
+    }
+}
+
+extension TunnelsListTableViewController: NSTableViewDelegate {
+    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
+        let cell: TunnelListCell = tableView.dequeueReusableCell()
+        cell.tunnel = tunnelsManager.tunnel(at: row)
+        return cell
+    }
+}