 class ActivityListController extends KDListViewController
-
-  hiddenItems               = []
-  hiddenNewMemberItemGroups = [[]]
-  hiddenItemCount           = 0
-
-  prepareNewMemberGroup = ->
-
-    # this is a bit tricky here
-    # if the previous member group isn't empty
-    # create a new group for later new member items
-    if hiddenNewMemberItemGroups.last.length isnt 0
-      hiddenNewMemberItemGroups.push []
-
-  resetNewMemberGroups = -> hiddenNewMemberItemGroups = [[]]
 
   constructor:(options={}, data)->
 

      @getListView().addItem activity, 0
    else
      view = @addHiddenItem activity, 0
      @utils.defer ->
        view.slideIn -> removeFromHiddenItems view

  removeFromHiddenItems = (view)->
    hiddenItems.splice hiddenItems.indexOf(view), 1


  fakeActivityArrived:(activity)->


  getLastItemTimeStamp: ->

    if item = @hiddenItems.first
      item.getData().createdAt or item.getData().createdAtTimestamps.last
    else
      @lastItemTimeStamp
