 
   pistachio:->
     """
+      {{> @filterWarning}}
       {{> @listWrapper}}
     """
+
+class FilterWarning extends JView
+
+  constructor:->
+    super cssClass : 'filter-warning hidden'
+
+    @warning   = new KDCustomHTMLView
+    @goBack    = new KDButtonView
+      cssClass : 'goback-button'
+      callback : =>
+        {appManager} = KD.singletons
+        appManager.tell 'Activity', 'populateActivity', {}, @bound 'hide'
+
+  pistachio:->
+    """
+      {{> @warning}}
+      {{> @goBack}}
+    """
+
+  showWarning:(tag)->
+    @warning.updatePartial \
+      """You are now looking activities tagged with <strong>##{tag}</strong> """
+
+    @show()

      # scrollView        : no

    @listWrapper = @controller.getView()

    @controller.ready => @emit "ready"


    @header.bindTransitionEnd()

    @feedWrapper.ready =>
      @activityHeader  = @feedWrapper.controller.activityHeader
      {@filterWarning} = @feedWrapper
      @on 'scroll', (event) =>
        if event.delegateTarget.scrollTop > 50
          @activityHeader.setClass "scrolling-up-outset"
