Move to App.CollectionController for activity stream.

app/assets/javascripts/app/controllers/_application_controller_generic.coffee

@@ -813,7 +813,7 @@ class App.CollectionController extends App.Controller
     if @subscribeId
       App[@model].unsubscribe(@subscribeId)
 
-  uIRunner: ->
+  uIRunner: =>
     return if !@queue[0]
     return if @queueRunning
     @queueRunning = true
@@ -1025,6 +1025,8 @@ class App.CollectionController extends App.Controller
     html =  $(App.view(@template)(
       item: item
     ))
+    if @onRenderItemEnd
+      @onRenderItemEnd(item, html)
     itemCount = Object.keys(@renderList).length
     @renderList[item[@uniqKey]] = html
     if el is false
@@ -1044,7 +1046,7 @@ class App.CollectionController extends App.Controller
   onRenderEnd: ->
     # nothing
 
-  location: (e) ->
+  location: (e) =>
     @locationVerify(e)
 
   click: (e) =>

app/assets/javascripts/app/controllers/_dashboard/activity_stream.coffee

@@ -1,7 +1,15 @@
-class App.DashboardActivityStream extends App.Controller
+class App.DashboardActivityStream extends App.CollectionController
+  model: false
+  template: 'dashboard/activity_stream_item'
+  uniqKey: 'id'
+  observe:
+    updated_at: true
+  prepareForObjectListItemSupport: true
+  items: []
+  insertPosition: 'before'
+
   constructor: ->
     super
-
     @fetch()
 
     # bind to rebuild view event
@@ -19,48 +27,39 @@ class App.DashboardActivityStream extends App.Controller
       @ajax(
         id:    'dashoard_activity_stream'
         type:  'GET'
-        url:   @apiPath + '/activity_stream'
-        data:  {
+        url:   "#{@apiPath}/activity_stream"
+        data:
           limit: @limit || 8
-        }
         processData: true
         success: (data) =>
           @load(data)
       )
 
   load: (data) =>
-
     App.SessionStorage.set('activity_stream', data)
-
-    items = data.activity_stream
-
+    @items = data.activity_stream
     App.Collection.loadAssets(data.assets)
+    @collectionSync(@items)
 
-    @render(items)
+  itemGet: (key) =>
+    for item in @items
+      return item if key is item.id
 
-  render: (items) ->
+  itemDestroy: (key) ->
+    # nothing
 
-    # show description of activity stream
-    return if _.isEmpty(items)
+  itemsAll: =>
+    @items
+
+  onRenderEnd: =>
+    return if _.isEmpty(@items)
 
     # remove description of activity stream
-    @$('.activity-description').removeClass('activity-description')
+    @el.removeClass('activity-description').addClass('activity-entries')
 
-    items = @prepareForObjectList(items)
-
-    html = $('<div class="activity-entries"></div>')
-    for item in items
-      html.append(@renderItem(item))
-
-    @el.html html
-
-  renderItem: (item) ->
-    html = $(App.view('dashboard/activity_stream')(
-      item: item
-    ))
+  onRenderItemEnd: (item, el) ->
     new App.WidgetAvatar(
-      el:        html.find('.js-avatar')
+      el:        el.find('.js-avatar')
       object_id: item.created_by_id
       size:      40
     )
-    html

app/assets/javascripts/app/controllers/widget/online_notification.coffee

@@ -201,7 +201,7 @@ class App.OnlineNotificationContentWidget extends App.CollectionController
   alreadyShown: {}
   insertPosition: 'before'
 
-  onRenderEnd: ->
+  onRenderEnd: =>
     @container.counterGen()
 
     # generate desktop notifications
@@ -222,5 +222,5 @@ class App.OnlineNotificationContentWidget extends App.CollectionController
           )
           App.OnlineNotification.play()
 
-  onClick: ->
+  onClick: =>
     @container.hide()

app/assets/javascripts/app/views/dashboard/activity_stream_item.jst.eco

@@ -1,4 +1,4 @@
-<div class="activity-entry">
+<div class="js-item activity-entry">
   <div class="activity-avatar js-avatar"></div>
   <a href="<%- @item.link %>" class="activity-body">
     <span class="activity-message">