[QuickSearch] Private Mode BG fix

Cliqz/Search/FirefoxSearchViewController.swift

@@ -53,6 +53,8 @@ class FirefoxSearchViewController: SiteTableViewController, KeyboardHelperDelega
     fileprivate let isPrivate: Bool
     fileprivate var suggestClient: SearchSuggestClient?
 
+    var privateModeOverlay: UIView = UIView.overlay(frame: CGRect.zero)
+
     // Views for displaying the bottom scrollable search engine list. searchEngineScrollView is the
     // scrollable container; searchEngineScrollViewContent contains the actual set of search engine buttons.
     fileprivate let searchEngineScrollView = ButtonScrollView()
@@ -85,12 +87,13 @@ class FirefoxSearchViewController: SiteTableViewController, KeyboardHelperDelega
 
     @objc func orientationDidChange(_ notification: Notification) {
         backgroundImage.image = BackgroundImageManager.shared.getImage()
+        if isPrivate {
+            privateModeOverlay.frame = self.view.bounds
+        }
     }
 
     override func viewDidLoad() {
-        view.backgroundColor = .clear //UIConstants.PanelBackgroundColor
-//        let blur = UIVisualEffectView(effect: UIBlurEffect(style: .light))
-//        view.addSubview(blur)
+        view.backgroundColor = .clear
 
         super.viewDidLoad()
 
@@ -107,6 +110,11 @@ class FirefoxSearchViewController: SiteTableViewController, KeyboardHelperDelega
 
         backgroundImage.image = BackgroundImageManager.shared.getImage()
 
+        if isPrivate {
+            privateModeOverlay = UIView.overlay(frame: self.view.bounds)
+            self.backgroundImage.addSubview(privateModeOverlay)
+        }
+
         searchEngineScrollView.layer.backgroundColor = SearchViewControllerUX.SearchEngineScrollViewBackgroundColor
         searchEngineScrollView.layer.shadowRadius = 0
         searchEngineScrollView.layer.shadowOpacity = 100
@@ -136,10 +144,6 @@ class FirefoxSearchViewController: SiteTableViewController, KeyboardHelperDelega
             make.bottom.equalTo(self.searchEngineScrollView)
         }
 
-//        blur.snp.makeConstraints { make in
-//            make.edges.equalTo(self.view)
-//        }
-        
         tableView.backgroundColor = .clear
         tableView.separatorColor = UIColor.white.withAlphaComponent(0.4)