Dactyloidae iOS initial commit

mobile/ios/Client/Frontend/Settings/SearchEnginePicker.swift

@@ -0,0 +1,47 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import UIKit
+
+class SearchEnginePicker: UITableViewController {
+    weak var delegate: SearchEnginePickerDelegate?
+    var engines: [OpenSearchEngine]!
+    var selectedSearchEngineName: String?
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+
+        navigationItem.title = NSLocalizedString("Default Search Engine", comment: "Title for default search engine picker.")
+        navigationItem.leftBarButtonItem = UIBarButtonItem(title: NSLocalizedString("Cancel", comment: "Label for Cancel button"), style: .plain, target: self, action: #selector(SearchEnginePicker.cancel))
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return engines.count
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let engine = engines[indexPath.item]
+        let cell = UITableViewCell(style: UITableViewCellStyle.default, reuseIdentifier: nil)
+        cell.textLabel?.text = engine.shortName
+        cell.imageView?.image = engine.image.createScaled(CGSize(width: OpenSearchEngine.PreferredIconSize, height: OpenSearchEngine.PreferredIconSize))
+        if engine.shortName == selectedSearchEngineName {
+            cell.accessoryType = UITableViewCellAccessoryType.checkmark
+        }
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        let engine = engines[indexPath.item]
+        delegate?.searchEnginePicker(self, didSelectSearchEngine: engine)
+        tableView.cellForRow(at: indexPath)?.accessoryType = UITableViewCellAccessoryType.checkmark
+    }
+
+    override func tableView(_ tableView: UITableView, didDeselectRowAt indexPath: IndexPath) {
+        tableView.cellForRow(at: indexPath)?.accessoryType = UITableViewCellAccessoryType.none
+    }
+
+    func cancel() {
+        delegate?.searchEnginePicker(self, didSelectSearchEngine: nil)
+    }
+}