| # 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 json |
| |
| from telemetry.core import web_contents |
| from telemetry.core.chrome import inspector_backend |
| |
| class MiscWebContentsBackend(object): |
| """Provides acccess to chrome://oobe/login page, which is neither an extension |
| nor a tab.""" |
| def __init__(self, browser_backend): |
| self._browser_backend = browser_backend |
| |
| def GetOobe(self): |
| oobe_web_contents_info = self._FindWebContentsInfo() |
| if oobe_web_contents_info: |
| debugger_url = oobe_web_contents_info.get('webSocketDebuggerUrl') |
| if debugger_url: |
| inspector = self._CreateInspectorBackend(debugger_url) |
| return web_contents.WebContents(inspector) |
| return None |
| |
| def _CreateInspectorBackend(self, debugger_url): |
| return inspector_backend.InspectorBackend(self._browser_backend.browser, |
| self._browser_backend, |
| debugger_url) |
| |
| def _ListWebContents(self, timeout=None): |
| data = self._browser_backend.Request('', timeout=timeout) |
| return json.loads(data) |
| |
| def _FindWebContentsInfo(self): |
| for web_contents_info in self._ListWebContents(): |
| # Prior to crrev.com/203152, url was chrome://oobe/login. |
| if (web_contents_info.get('url').startswith('chrome://oobe')): |
| return web_contents_info |
| return None |
