src/tools/telemetry/telemetry/page/actions/gesture_action.py

   1 # Copyright 2013 The Chromium Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that can be
   3 # found in the LICENSE file.
   4
   5 from telemetry.page.actions import page_action
   6 from telemetry.page.actions import wait
   7 from telemetry import decorators
   8 from telemetry.page.actions import action_runner
   9 from telemetry.web_perf import timeline_interaction_record as tir_module
  10
  11 class GestureAction(page_action.PageAction):
  12   def __init__(self, attributes=None):
  13     super(GestureAction, self).__init__(attributes)
  14     if hasattr(self, 'wait_after'):
  15       self.wait_action = wait.WaitAction(self.wait_after)
  16     else:
  17       self.wait_action = None
  18
  19     assert self.wait_until is None or self.wait_action is None, (
  20       'gesture cannot have wait_after and wait_until at the same time.')
  21
  22   def RunAction(self, page, tab):
  23     runner = action_runner.ActionRunner(None, tab)
  24     if self.wait_action:
  25       interaction_name = 'Action_%s' % self.__class__.__name__
  26     else:
  27       interaction_name = 'Gesture_%s' % self.__class__.__name__
  28     runner.BeginInteraction(interaction_name, [tir_module.IS_SMOOTH])
  29     self.RunGesture(page, tab)
  30     if self.wait_action:
  31       self.wait_action.RunAction(page, tab)
  32     runner.EndInteraction(interaction_name, [tir_module.IS_SMOOTH])
  33
  34   def RunGesture(self, page, tab):
  35     raise NotImplementedError()
  36
  37   @staticmethod
  38   def GetGestureSourceTypeFromOptions(tab):
  39     gesture_source_type = tab.browser.synthetic_gesture_source_type
  40     return 'chrome.gpuBenchmarking.' + gesture_source_type.upper() + '_INPUT'
  41
  42   @staticmethod
  43   @decorators.Cache
  44   def IsGestureSourceTypeSupported(tab, gesture_source_type):
  45     # TODO(dominikg): remove once support for
  46     #                 'chrome.gpuBenchmarking.gestureSourceTypeSupported' has
  47     #                 been rolled into reference build.
  48     if tab.EvaluateJavaScript("""
  49         typeof chrome.gpuBenchmarking.gestureSourceTypeSupported ===
  50             'undefined'"""):
  51       return True
  52
  53     return tab.EvaluateJavaScript("""
  54         chrome.gpuBenchmarking.gestureSourceTypeSupported(
  55             chrome.gpuBenchmarking.%s_INPUT)"""
  56         % (gesture_source_type.upper()))