         }
     }
 
-    var previousTab = Tab.Conversations
-
-    var checkDoubleTapOnFeedsTimer: NSTimer?
-    var hasFirstTapOnFeedsWhenItIsAtTop = false {
+    private var previousTab = Tab.Conversations
+
+    private var checkDoubleTapOnFeedsTimer: NSTimer?
+    private var hasFirstTapOnFeedsWhenItIsAtTop = false {
         willSet {
             if newValue {
                 let timer = NSTimer.scheduledTimerWithTimeInterval(0.5, target: self, selector: "checkDoubleTapOnFeeds:", userInfo: nil, repeats: false)

        }
    }

    func checkDoubleTapOnFeeds(timer: NSTimer) {

        hasFirstTapOnFeedsWhenItIsAtTop = false
    }

    struct Listener {
        static let lauchStyle = "YepTabBarController.lauchStyle"
    }



class YepTabBarController: UITabBarController {

    private enum Tab: Int {

        case Conversations
        case Contacts
