sugar-toolkit-gtk3/sugar/activity/registry.py

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# Copyright (C) 2006, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import dbus
_SHELL_SERVICE = "org.laptop.Shell"
_SHELL_PATH = "/org/laptop/Shell"
_REGISTRY_IFACE = "org.laptop.Shell.ActivityRegistry"
def _activity_info_from_dict(info_dict):
if not info_dict:
return None
return ActivityInfo(info_dict['name'], info_dict['icon'],
info_dict['service_name'], info_dict['path'])
class ActivityInfo(object):
def __init__(self, name, icon, service_name, path):
self.name = name
self.icon = icon
self.service_name = service_name
self.path = path
class ActivityRegistry(object):
def __init__(self):
bus = dbus.SessionBus()
bus_object = bus.get_object(_SHELL_SERVICE, _SHELL_PATH)
self._registry = dbus.Interface(bus_object, _REGISTRY_IFACE)
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def _convert_info_list(self, info_list):
result = []
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for info_dict in info_list:
result.append(_activity_info_from_dict(info_dict))
return result
def get_activity(self, service_name):
info_dict = self._registry.GetActivity(service_name)
return _activity_info_from_dict(info_dict)
def find_activity(self, name):
info_list = self._registry.FindActivity(name)
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return self._convert_info_list(info_list)
def get_activities_for_type(self, mime_type):
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info_list = self._registry.GetActivitiesForType(mime_type)
return self._convert_info_list(info_list)
_registry = None
def get_registry():
global _registry
if not _registry:
_registry = ActivityRegistry()
return _registry