[Telemetry] Reorganize everything.

tools/telemetry/telemetry/wait_action.py

-# Copyright (c) 2012 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.
-import time
-
-from telemetry import page_action
-from telemetry import util
-
-class WaitAction(page_action.PageAction):
-  DEFAULT_TIMEOUT = 60
-
-  def __init__(self, attributes=None):
-    super(WaitAction, self).__init__(attributes)
-
-  def RunsPreviousAction(self):
-    assert hasattr(self, 'condition')
-    return self.condition == 'navigate' or self.condition == 'href_change'
-
-  def RunAction(self, page, tab, previous_action):
-    assert hasattr(self, 'condition')
-
-    if self.condition == 'duration':
-      assert hasattr(self, 'seconds')
-      time.sleep(self.seconds)
-
-    elif self.condition == 'navigate':
-      if not previous_action:
-        raise page_action.PageActionFailed('You need to perform an action '
-                                           'before waiting for navigate.')
-      previous_action.WillRunAction()
-      action_to_perform = lambda: previous_action.RunAction(page, tab, None)
-      tab.PerformActionAndWaitForNavigate(action_to_perform)
-
-    elif self.condition == 'href_change':
-      if not previous_action:
-        raise page_action.PageActionFailed('You need to perform an action '
-                                           'before waiting for a href change.')
-      previous_action.WillRunAction()
-      old_url = tab.EvaluateJavaScript('document.location.href')
-      previous_action.RunAction(page, tab, None)
-      util.WaitFor(lambda: tab.EvaluateJavaScript(
-          'document.location.href') != old_url, self.DEFAULT_TIMEOUT)
-
-    elif self.condition == 'element':
-      assert hasattr(self, 'text') or hasattr(self, 'selector')
-      if self.text:
-        callback_code = 'function(element) { return element != null; }'
-        util.WaitFor(
-            lambda: util.FindElementAndPerformAction(
-                tab, self.text, callback_code), self.DEFAULT_TIMEOUT)
-      elif self.selector:
-        util.WaitFor(lambda: tab.EvaluateJavaScript(
-             'document.querySelector("%s") != null' % self.selector),
-             self.DEFAULT_TIMEOUT)
-
-    elif self.condition == 'javascript':
-      assert hasattr(self, 'javascript')
-      util.WaitFor(lambda: tab.EvaluateJavaScript(self.javascript),
-                   self.DEFAULT_TIMEOUT)