Simulate interactivity boost for simulated user input events

telemetry/telemetry/internal/actions/scroll_to_element.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from telemetry.internal.actions import page_action
 from telemetry.internal.actions.scroll import ScrollAction
 from telemetry.util import js_template
 
 
 class ScrollToElementAction(page_action.PageAction):
@@ skipping 27 matching lines @@
     self._element_function = element_function
     self._container_selector = container_selector
     self._container_element_function = container_element_function
     self._speed = speed_in_pixels_per_second
     self._distance = None
     self._direction = None
     self._scroller = None
     assert (self._selector or self._element_function), (
         'Must have either selector or element function')
 
+  def SimulatesUserInput(self):
+    return True
+
   def WillRunAction(self, tab):
     if self._selector:
       element = js_template.Render(
           'document.querySelector({{ selector }})', selector=self._selector)
     else:
       element = self._element_function
 
     self._distance = tab.EvaluateJavaScript('''
         (function(elem){
           var rect = elem.getBoundingClientRect();
@@ skipping 18 matching lines @@
         selector=self._container_selector,
         element_function=self._container_element_function,
         distance=self._distance,
         speed_in_pixels_per_second=self._speed)
 
   def RunAction(self, tab):
     if self._distance == 0:  # Element is already in view.
       return
     self._scroller.WillRunAction(tab)
     self._scroller.RunAction(tab)