Added Complementary Search setting

Cliqz/Settings/CliqzAppSettingsOptions.swift

@@ -23,7 +23,42 @@ class HumanWebSetting: CliqzOnOffSetting {
         return HumanWebSettingsTableViewController()
     }
 }
-
+class CliqzSearchSetting: Setting, SearchEnginePickerDelegate {
+    let profile: Profile
+    var navigationController: UINavigationController?
+
+    override var accessoryType: UITableViewCellAccessoryType { return .disclosureIndicator }
+
+    override var style: UITableViewCellStyle { return .value1 }
+
+    override var status: NSAttributedString { return NSAttributedString(string: profile.searchEngines.defaultEngine.shortName) }
+
+    override var accessibilityIdentifier: String? { return "Search" }
+
+    init(settings: SettingsTableViewController) {
+        self.profile = settings.profile
+        super.init(title: NSAttributedString(string: NSLocalizedString("Complementary Search", tableName: "Cliqz", comment: "[Settings] Complementary Search"), attributes: [NSForegroundColorAttributeName: SettingsUX.TableViewRowTextColor]))
+    }
+
+    override func onClick(_ navigationController: UINavigationController?) {
+        let searchEnginePicker = SearchEnginePicker()
+        // Order alphabetically, so that picker is always consistently ordered.
+        // Every engine is a valid choice for the default engine, even the current default engine.
+        let searchEngines = profile.searchEngines
+        searchEnginePicker.engines = searchEngines.orderedEngines.sorted { e, f in e.shortName < f.shortName }
+        searchEnginePicker.delegate = self
+        searchEnginePicker.selectedSearchEngineName = searchEngines.defaultEngine.shortName
+        navigationController?.pushViewController(searchEnginePicker, animated: true)
+        self.navigationController = navigationController
+    }
+
+    func searchEnginePicker(_ searchEnginePicker: SearchEnginePicker?, didSelectSearchEngine searchEngine: OpenSearchEngine?) {
+        if let engine = searchEngine {
+            profile.searchEngines.defaultEngine = engine
+        }
+        _ = navigationController?.popViewController(animated: true)
+    }
+}
 
 class AutoForgetTabSetting: CliqzOnOffSetting {
 

Cliqz/Settings/CliqzAppSettingsTableViewController.swift

@@ -52,6 +52,8 @@ class CliqzAppSettingsTableViewController: AppSettingsTableViewController {
 
     // MARK:- Helper methods
     private func generateSearchSettings(prefs: Prefs) -> [Setting] {
+        let cliqzSearchSetting              = CliqzSearchSetting(settings: self)
+
         let querySuggestionTitle = NSLocalizedString("Search Query Suggestions", tableName: "Cliqz", comment: "[Settings] Search Query Suggestions")
         let querySuggestionSettings = BoolSetting(prefs: prefs,
                                                   prefKey: SettingsPrefs.querySuggestionPrefKey,
@@ -69,9 +71,9 @@ class CliqzAppSettingsTableViewController: AppSettingsTableViewController {
 
         var searchSettings: [Setting]!
         if QuerySuggestions.querySuggestionEnabledForCurrentRegion() {
-            searchSettings = [querySuggestionSettings, blockExplicitContentSettings, humanWebSetting]
+            searchSettings = [querySuggestionSettings, blockExplicitContentSettings, humanWebSetting, cliqzSearchSetting]
         } else {
-            searchSettings = [blockExplicitContentSettings, humanWebSetting]
+            searchSettings = [blockExplicitContentSettings, humanWebSetting, cliqzSearchSetting]
         }
         return searchSettings
     }