 
     @IBOutlet weak var collectionView: UICollectionView!
     var pulsingCircle : PulsingCircle?
-    var scrolling = false
     var streamables:[Streamable]?
     var dataSource:StreamDataSource!
-    var navBarShowing = true
     var postbarController:PostbarController?
 
     var streamKind:StreamKind = StreamKind.Friend {


    func scrollViewDidScroll(scrollView : UIScrollView) {
        self.streamScrollDelegate?.scrollViewDidScroll(scrollView)
        
        let shouldHideTabBar : ()->Bool = { return false }
        if !shouldHideTabBar() {
            return

            }
        }
    }

}

// MARK: StreamViewController : UICollectionViewDelegate
