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# Copyright 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.
from py_trace_event import trace_event
class AppBackend(object):
__metaclass__ = trace_event.TracedMetaClass
def __init__(self, app_type, platform_backend):
super(AppBackend, self).__init__()
self._app = None
self._app_type = app_type
self._platform_backend = platform_backend
def __del__(self):
self.Close()
def SetApp(self, app):
self._app = app
@property
def app(self):
return self._app
@property
def app_type(self):
return self._app_type
@property
def pid(self):
raise NotImplementedError
@property
def platform_backend(self):
return self._platform_backend
def Start(self):
raise NotImplementedError
def Foreground(self):
# TODO(catapult:#2194): Remove the unnecessary pass below when the method
# has been implemented on all concrete subclasses.
pass # pylint: disable=unnecessary-pass
raise NotImplementedError
def Background(self):
raise NotImplementedError
def Close(self):
raise NotImplementedError
def IsAppRunning(self):
raise NotImplementedError
def GetStandardOutput(self):
raise NotImplementedError
def GetStackTrace(self):
raise NotImplementedError
def GetMostRecentMinidumpPath(self):
raise NotImplementedError
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