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# Copyright (C) 2006-2007 Red Hat, Inc.
# Copyright (C) 2007 One Laptop Per Child
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import dbus
import dbus.service
import bundleregistry
_ACTIVITY_REGISTRY_SERVICE_NAME = 'org.laptop.ActivityRegistry'
_ACTIVITY_REGISTRY_IFACE = 'org.laptop.ActivityRegistry'
_ACTIVITY_REGISTRY_PATH = '/org/laptop/ActivityRegistry'
class ActivityRegistry(dbus.service.Object):
def __init__(self):
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(_ACTIVITY_REGISTRY_SERVICE_NAME, bus=bus)
dbus.service.Object.__init__(self, bus_name, _ACTIVITY_REGISTRY_PATH)
bundle_registry = bundleregistry.get_registry()
bundle_registry.connect('bundle-added', self._bundle_added_cb)
bundle_registry.connect('bundle-removed', self._bundle_removed_cb)
@dbus.service.method(_ACTIVITY_REGISTRY_IFACE,
in_signature='s', out_signature='b')
def AddBundle(self, bundle_path):
'''Register the activity bundle with the global registry
bundle_path -- path to the root directory of the activity bundle,
that is, the directory with activity/activity.info as a
child of the directory.
The bundleregistry.BundleRegistry is responsible for setting
up a set of d-bus service mappings for each available activity.
'''
registry = bundleregistry.get_registry()
return registry.add_bundle(bundle_path)
@dbus.service.method(_ACTIVITY_REGISTRY_IFACE,
in_signature='s', out_signature='b')
def RemoveBundle(self, bundle_path):
'''Unregister the activity bundle with the global registry
bundle_path -- path to the activity bundle root directory
'''
registry = bundleregistry.get_registry()
return registry.remove_bundle(bundle_path)
@dbus.service.method(_ACTIVITY_REGISTRY_IFACE,
in_signature='', out_signature='aa{sv}')
def GetActivities(self):
result = []
registry = bundleregistry.get_registry()
for bundle in registry:
result.append(self._bundle_to_dict(bundle))
return result
@dbus.service.method(_ACTIVITY_REGISTRY_IFACE,
in_signature='s', out_signature='a{sv}')
def GetActivity(self, bundle_id):
registry = bundleregistry.get_registry()
bundle = registry.get_bundle(bundle_id)
if not bundle:
return {}
return self._bundle_to_dict(bundle)
@dbus.service.method(_ACTIVITY_REGISTRY_IFACE,
in_signature='s', out_signature='aa{sv}')
def FindActivity(self, name):
result = []
key = name.lower()
for bundle in bundleregistry.get_registry():
name = bundle.get_name().lower()
bundle_id = bundle.get_bundle_id().lower()
if name.find(key) != -1 or bundle_id.find(key) != -1:
result.append(self._bundle_to_dict(bundle))
return result
@dbus.service.method(_ACTIVITY_REGISTRY_IFACE,
in_signature='s', out_signature='aa{sv}')
def GetActivitiesForType(self, mime_type):
result = []
registry = bundleregistry.get_registry()
for bundle in registry.get_activities_for_type(mime_type):
result.append(self._bundle_to_dict(bundle))
return result
@dbus.service.signal(_ACTIVITY_REGISTRY_IFACE, signature='a{sv}')
def ActivityAdded(self, activity_info):
pass
@dbus.service.signal(_ACTIVITY_REGISTRY_IFACE, signature='a{sv}')
def ActivityRemoved(self, activity_info):
pass
def _bundle_to_dict(self, bundle):
return {'name': bundle.get_name(),
'icon': bundle.get_icon(),
'bundle_id': bundle.get_bundle_id(),
'version': bundle.get_activity_version(),
'path': bundle.get_path(),
'command': bundle.get_command(),
'show_launcher': bundle.get_show_launcher()}
def _bundle_added_cb(self, bundle_registry, bundle):
self.ActivityAdded(self._bundle_to_dict(bundle))
def _bundle_removed_cb(self, bundle_registry, bundle):
self.ActivityRemoved(self._bundle_to_dict(bundle))
_instance = None
def get_instance():
global _instance
if not _instance:
_instance = ActivityRegistry()
return _instance
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