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| 1 # Copyright (c) 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.core.backends.webdriver import webdriver_tab_backend |
| 6 |
| 7 class WebDriverTabListBackend(object): |
| 8 def __init__(self, browser_backend): |
| 9 self._browser_backend = browser_backend |
| 10 # Stores the window handles. |
| 11 self._tab_list = [] |
| 12 |
| 13 def Init(self): |
| 14 self._UpdateTabList() |
| 15 |
| 16 def New(self, timeout=None): |
| 17 # Webdriver API doesn't support tab controlling. |
| 18 raise NotImplementedError() |
| 19 |
| 20 def __iter__(self): |
| 21 self._UpdateTabList() |
| 22 return self._tab_list.__iter__() |
| 23 |
| 24 def __len__(self): |
| 25 self._UpdateTabList() |
| 26 return len(self._tab_list) |
| 27 |
| 28 def __getitem__(self, index): |
| 29 self._UpdateTabList() |
| 30 if len(self._tab_list) <= index: |
| 31 raise IndexError('list index out of range') |
| 32 return self._tab_list[index] |
| 33 |
| 34 def _UpdateTabList(self): |
| 35 window_handles = self._browser_backend.driver.window_handles |
| 36 old_tab_list = self._tab_list |
| 37 self._tab_list = [] |
| 38 for window_handle in window_handles: |
| 39 tab = None |
| 40 for old_tab in old_tab_list: |
| 41 if old_tab.window_handle == window_handle: |
| 42 tab = old_tab |
| 43 break |
| 44 else: |
| 45 tab = webdriver_tab_backend.WebDriverTabBackend( |
| 46 self._browser_backend, window_handle) |
| 47 self._tab_list.append(tab) |
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