Dactyloidae iOS initial commit

mobile/ios/Client/Frontend/Browser/OpenWithSettingsViewController.swift

@@ -0,0 +1,123 @@
+/* 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 Foundation
+import Shared
+
+class OpenWithSettingsViewController: UITableViewController {
+    typealias MailtoProviderEntry = (name: String, scheme: String, enabled: Bool)
+    var mailProviderSource = [MailtoProviderEntry]()
+
+    fileprivate let prefs: Prefs
+    fileprivate var currentChoice: String = "mailto"
+
+    fileprivate let BasicCheckmarkCell = "BasicCheckmarkCell"
+
+    init(prefs: Prefs) {
+        self.prefs = prefs
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        title = Strings.SettingsOpenWithSectionName
+
+        tableView.accessibilityIdentifier = "OpenWithPage.Setting.Options"
+
+        tableView.register(UITableViewCell.self, forCellReuseIdentifier: BasicCheckmarkCell)
+        tableView.backgroundColor = UIConstants.TableViewHeaderBackgroundColor
+
+        let headerFooterFrame = CGRect(origin: CGPoint.zero, size: CGSize(width: self.view.frame.width, height: UIConstants.TableViewHeaderFooterHeight))
+        let headerView = SettingsTableSectionHeaderFooterView(frame: headerFooterFrame)
+        headerView.titleLabel.text = Strings.SettingsOpenWithPageTitle.uppercased()
+        headerView.showTopBorder = false
+        headerView.showBottomBorder = true
+
+        let footerView = SettingsTableSectionHeaderFooterView(frame: headerFooterFrame)
+        footerView.showTopBorder = true
+        footerView.showBottomBorder = false
+
+        tableView.tableHeaderView = headerView
+        tableView.tableFooterView = footerView
+
+        NotificationCenter.default.addObserver(self, selector: #selector(OpenWithSettingsViewController.appDidBecomeActive), name: NSNotification.Name.UIApplicationDidBecomeActive, object: nil)
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        appDidBecomeActive()
+    }
+
+    override func viewWillDisappear(_ animated: Bool) {
+        super.viewWillDisappear(animated)
+        self.prefs.setString(currentChoice, forKey: PrefsKeys.KeyMailToOption)
+    }
+
+    func appDidBecomeActive() {
+        reloadMailProviderSource()
+        updateCurrentChoice()
+        tableView.reloadData()
+    }
+
+    func updateCurrentChoice() {
+        var previousChoiceAvailable: Bool = false
+        if let prefMailtoScheme = self.prefs.stringForKey(PrefsKeys.KeyMailToOption) {
+            mailProviderSource.forEach({ (name, scheme, enabled) in
+                if scheme == prefMailtoScheme {
+                    previousChoiceAvailable = enabled
+                }
+            })
+        }
+        
+        if !previousChoiceAvailable {
+            self.prefs.setString(mailProviderSource[0].scheme, forKey: PrefsKeys.KeyMailToOption)
+        }
+
+        if let updatedMailToClient = self.prefs.stringForKey(PrefsKeys.KeyMailToOption) {
+            self.currentChoice = updatedMailToClient
+        }
+    }
+
+    func reloadMailProviderSource() {
+        if let path = Bundle.main.path(forResource: "MailSchemes", ofType: "plist"), let dictRoot = NSArray(contentsOfFile: path) {
+            mailProviderSource = dictRoot.map {  dict in
+                let nsDict = dict as! NSDictionary
+                return (name: nsDict["name"] as! String, scheme: nsDict["scheme"] as! String,
+                        enabled: canOpenMailScheme(nsDict["scheme"] as! String))
+            }
+        }
+    }
+
+    func canOpenMailScheme(_ scheme: String) -> Bool {
+        if let url = URL(string: scheme) {
+            return UIApplication.shared.canOpenURL(url)
+        }
+        return false
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: BasicCheckmarkCell, for: indexPath)
+
+        let option = mailProviderSource[indexPath.row]
+
+        cell.textLabel?.attributedText = NSAttributedString.tableRowTitle(option.name, enabled: option.enabled)
+        cell.accessoryType = (currentChoice == option.scheme && option.enabled) ? .checkmark : .none
+        cell.isUserInteractionEnabled = option.enabled
+
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        return mailProviderSource.count
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        self.currentChoice = mailProviderSource[indexPath.row].scheme
+        tableView.reloadData()
+    }
+}