[IB2-364] [iPhone X] [Tabs Overview] background image is not fullscreen

Client/Frontend/Browser/TabTrayController.swift

@@ -239,7 +239,9 @@ class TabTrayController: UIViewController {
     var draggedCell: TabCell?
     var dragOffset: CGPoint = .zero
     // Cliqz: backgroundView as container for background image
-    var backgroundView: UIView!
+    var privateModeOverlay: UIView? = nil
+    let backgroundView = UIImageView()
+    //End Cliqz
     /* Cliqz: use CliqzTrayToolbar
     lazy var toolbar: TrayToolbar = {
         let toolbar = TrayToolbar()

Cliqz/Tab Tray/TabTrayControllerExtension.swift

@@ -20,13 +20,37 @@ extension TabTrayController {
         }
     }
 
-    func setBackgroundImage() {
-        let backgroundView = UIImageView(image: UIImage.cliqzBackgroundImage())
-        if privateMode {
-            backgroundView.addSubview(UIView.overlay(frame: self.view.bounds))
+    func setUpOverlay() {
+        if privateMode && privateModeOverlay == nil{
+            privateModeOverlay = UIView.overlay(frame: CGRect.zero)
+            backgroundView.addSubview(privateModeOverlay!)
+            backgroundView.bringSubview(toFront: privateModeOverlay!)
+            privateModeOverlay?.snp.makeConstraints({ (make) in
+                make.edges.equalToSuperview()
+            })
+        }
+        else if !privateMode {
+            privateModeOverlay?.removeFromSuperview()
+            privateModeOverlay = nil
         }
-        collectionView.backgroundView = backgroundView
+    }
+
+    func setBackgroundImage() {
         collectionView.backgroundColor = UIColor.clear
+
+        if backgroundView.superview == nil {
+            self.view.addSubview(backgroundView)
+            self.view.sendSubview(toBack: backgroundView)
+        }
+
+        if backgroundView.constraints.isEmpty {
+            backgroundView.snp.makeConstraints { (make) in
+                make.edges.equalToSuperview()
+            }
+        }
+
+        self.backgroundView.image = UIImage.cliqzBackgroundImage()
+        setUpOverlay()
     }
 
     func updateBackgroundColor() {