Simulate interactivity boost for simulated user input events

telemetry/telemetry/internal/actions/tap.py

 # Copyright 2013 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 import utils
 from telemetry.util import js_template
 
 
 class TapAction(page_action.PageAction):
   def __init__(self, selector=None, text=None, element_function=None,
                left_position_percentage=0.5, top_position_percentage=0.5,
                duration_ms=50,
                synthetic_gesture_source=page_action.GESTURE_SOURCE_DEFAULT):
     super(TapAction, self).__init__()
     self.selector = selector
     self.text = text
     self.element_function = element_function
     self.left_position_percentage = left_position_percentage
     self.top_position_percentage = top_position_percentage
     self.duration_ms = duration_ms
     self._synthetic_gesture_source = ('chrome.gpuBenchmarking.%s_INPUT' %
                                       synthetic_gesture_source)
 
+  def SimulatesUserInput(self):
+    return True
+
   def WillRunAction(self, tab):
     utils.InjectJavaScript(tab, 'gesture_common.js')
     utils.InjectJavaScript(tab, 'tap.js')
 
     # Fail if browser doesn't support synthetic tap gestures.
     if not tab.EvaluateJavaScript('window.__TapAction_SupportedByBrowser()'):
       raise page_action.PageActionNotSupported(
           'Synthetic tap not supported for this browser')
 
     tab.ExecuteJavaScript("""
@@ skipping 30 matching lines @@
 
     page_action.EvaluateCallbackWithElement(
         tab, code, selector=self.selector, text=self.text,
         element_function=self.element_function)
     # The second disjunct handles the case where the tap action leads to an
     # immediate navigation (in which case the expression below might already be
     # evaluated on the new page).
     tab.WaitForJavaScriptCondition(
         'window.__tapActionDone || window.__tapAction === undefined',
         timeout=60)