sdk/platform-tools/systrace/catapult/telemetry/telemetry/internal/app/android_process.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
   5 from telemetry.internal.backends.chrome_inspector import devtools_client_backend
   6 from telemetry.internal.browser import web_contents
   7
   8 try:
   9   from devil.android import ports
  10 except ImportError:
  11   ports = None
  12
  13 class WebViewNotFoundException(Exception):
  14   pass
  15
  16 class AndroidProcess(object):
  17   """Represents a single android process."""
  18
  19   def __init__(self, app_backend, pid, name):
  20     self._app_backend = app_backend
  21     self._pid = pid
  22     self._name = name
  23     self._local_port = ports.AllocateTestServerPort()
  24     self._devtools_client = None
  25
  26   @property
  27   def pid(self):
  28     return self._pid
  29
  30   @property
  31   def name(self):
  32     return self._name
  33
  34   @property
  35   def _remote_devtools_port(self):
  36     return 'localabstract:webview_devtools_remote_%s' % str(self.pid)
  37
  38   def _UpdateDevToolsClient(self):
  39     if self._devtools_client is None:
  40       self._app_backend.platform_backend.ForwardHostToDevice(
  41           self._local_port, self._remote_devtools_port)
  42       if devtools_client_backend.IsDevToolsAgentAvailable(
  43           self._local_port, self._app_backend):
  44         self._devtools_client = devtools_client_backend.DevToolsClientBackend(
  45             self._local_port, self._remote_devtools_port, self._app_backend)
  46
  47   def GetWebViews(self):
  48     webviews = []
  49     self._UpdateDevToolsClient()
  50     if self._devtools_client is not None:
  51       devtools_context_map = (
  52           self._devtools_client.GetUpdatedInspectableContexts())
  53       for context in devtools_context_map.contexts:
  54         webviews.append(web_contents.WebContents(
  55             devtools_context_map.GetInspectorBackend(context['id'])))
  56     return webviews