tools/perf/page_sets/key_idle_power_cases.py

   1 # Copyright 2015 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 from page_sets import android_screen_restoration_shared_state
   5
   6 from telemetry.page import page as page_module
   7 from telemetry.page import shared_page_state
   8 from telemetry import story
   9
  10
  11 class KeyIdlePowerPage(page_module.Page):
  12
  13   def __init__(self, url, page_set, turn_screen_off,
  14                shared_page_state_class=shared_page_state.SharedMobilePageState):
  15     super(KeyIdlePowerPage, self).__init__(
  16         url=url,
  17         page_set=page_set,
  18         shared_page_state_class=(android_screen_restoration_shared_state
  19             .AndroidScreenRestorationSharedState))
  20     self._turn_screen_off = turn_screen_off
  21
  22   def RunNavigateSteps(self, action_runner):
  23     super(KeyIdlePowerPage, self).RunNavigateSteps(action_runner)
  24     action_runner.Wait(2)
  25     if self._turn_screen_off:
  26       # TODO(jdduke): Remove this API violation after the shared page state is
  27       # exposed here, crbug.com/470147.
  28       # pylint: disable=protected-access
  29       action_runner._tab.browser.platform.android_action_runner.TurnScreenOff()
  30       # We're not interested in tracking activity that occurs immediately after
  31       # the screen is turned off. Several seconds should be enough time for the
  32       # browser to "settle down" into an idle state.
  33       action_runner.Wait(2)
  34
  35   def RunPageInteractions(self, action_runner):
  36     # The page interaction is simply waiting in an idle state.
  37     with action_runner.CreateInteraction('IdleWaiting'):
  38       action_runner.Wait(20)
  39
  40
  41 class KeyIdlePowerCasesPageSet(story.StorySet):
  42
  43   """ Key idle power cases """
  44
  45   def __init__(self):
  46     super(KeyIdlePowerCasesPageSet, self).__init__()
  47
  48     foreground_urls_list = [
  49       # Why: Ensure minimal activity for static, empty pages in the foreground.
  50       'file://key_idle_power_cases/blank.html',
  51       # Why: An infinite rAF loop which does not modify the page should use
  52       # minimal power.
  53       'file://key_idle_power_cases/no_op_raf.html',
  54     ]
  55
  56     for url in foreground_urls_list:
  57       self.AddStory(KeyIdlePowerPage(url, self, False))
  58
  59     background_urls_list = [
  60       # Why: Ensure animated GIFs aren't processed when Chrome is backgrounded.
  61       'file://key_idle_power_cases/animated-gif.html',
  62       # Why: Ensure CSS animations aren't processed when Chrome is backgrounded.
  63       'file://key_idle_power_cases/css-animation.html',
  64       # Why: Ensure rAF is suppressed when Chrome is backgrounded.
  65       'file://key_idle_power_cases/request-animation-frame.html',
  66       # Why: Ensure setTimeout is throttled when Chrome is backgrounded.
  67       'file://key_idle_power_cases/set-timeout.html',
  68     ]
  69
  70     for url in background_urls_list:
  71       self.AddStory(KeyIdlePowerPage(url, self, True))