Dactyloidae iOS initial commit

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

@@ -0,0 +1,98 @@
+/* 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
+import Shared
+import SnapKit
+
+private let log = Logger.browserLogger
+
+class HomePageSettingsViewController: SettingsTableViewController {
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        title = Strings.SettingsHomePageTitle
+    }
+
+    override func generateSettings() -> [SettingSection] {
+        let prefs = profile.prefs
+        let helper = HomePageHelper(prefs: prefs)
+        func setHomePage(_ url: URL?) -> ((UINavigationController?) -> Void) {
+            weak var tableView: UITableView? = self.tableView
+            return { nav in
+                helper.currentURL = url
+                tableView?.reloadData()
+            }
+        }
+
+        func isHomePage(_ url: URL?) -> (() -> Bool) {
+            return {
+                return url?.isWebPage() ?? false
+            }
+        }
+
+        func URLFromString(_ string: String?) -> URL? {
+            guard let string = string else {
+                return nil
+            }
+            return URL(string: string)
+        }
+
+        let currentTabURL = self.tabManager.selectedTab?.url?.displayURL
+        let clipboardURL = URLFromString(UIPasteboard.general.string)
+
+        var basicSettings: [Setting] = [
+            WebPageSetting(prefs: prefs,
+                prefKey: HomePageConstants.HomePageURLPrefKey,
+                placeholder: helper.defaultURLString ?? Strings.SettingsHomePagePlaceholder,
+                accessibilityIdentifier: "HomePageSetting"),
+            ButtonSetting(title: NSAttributedString(string: Strings.SettingsHomePageUseCurrentPage),
+                accessibilityIdentifier: "UseCurrentTab",
+                isEnabled: isHomePage(currentTabURL),
+                onClick: setHomePage(currentTabURL)),
+            ButtonSetting(title: NSAttributedString(string: Strings.SettingsHomePageUseCopiedLink),
+                accessibilityIdentifier: "UseCopiedLink",
+                isEnabled: isHomePage(clipboardURL),
+                onClick: setHomePage(clipboardURL)),
+            ]
+
+        basicSettings += [
+            ButtonSetting(title: NSAttributedString(string: Strings.SettingsHomePageClear),
+                destructive: true,
+                accessibilityIdentifier: "ClearHomePage",
+                onClick: setHomePage(nil)),
+            ]
+
+        return [SettingSection(title: NSAttributedString(string: Strings.SettingsHomePageURLSectionTitle), children: basicSettings)]
+    }
+}
+
+class WebPageSetting: StringSetting {
+    init(prefs: Prefs, prefKey: String, defaultValue: String? = nil, placeholder: String, accessibilityIdentifier: String, settingDidChange: ((String?) -> Void)? = nil) {
+        super.init(prefs: prefs,
+                   prefKey: prefKey,
+                   defaultValue: defaultValue,
+                   placeholder: placeholder,
+                   accessibilityIdentifier: accessibilityIdentifier,
+                   settingIsValid: WebPageSetting.isURLOrEmpty,
+                   settingDidChange: settingDidChange)
+        textField.keyboardType = .URL
+        textField.autocapitalizationType = .none
+        textField.autocorrectionType = .no
+    }
+
+    override func prepareValidValue(userInput value: String?) -> String? {
+        guard let value = value else {
+            return nil
+        }
+        return URIFixup.getURL(value)?.absoluteString
+    }
+
+    static func isURLOrEmpty(_ string: String?) -> Bool {
+        guard let string = string, !string.isEmpty else {
+            return true
+        }
+        return URL(string: string)?.isWebPage() ?? false
+    }
+}