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# Copyright (C) 2007, Red Hat, Inc.
#
# 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 gnomevfs
import gtk
from gettext import gettext as _
import bundleregistry
_REGISTRY_IFACE = "org.laptop.ObjectTypeRegistry"
_REGISTRY_PATH = "/org/laptop/ObjectTypeRegistry"
class ObjectTypeRegistry(dbus.service.Object):
def __init__(self):
bus = dbus.SessionBus()
bus_name = dbus.service.BusName(_REGISTRY_IFACE, bus=bus)
dbus.service.Object.__init__(self, bus_name, _REGISTRY_PATH)
self._types = {}
self._add_primitive('Text', _('Text'), 'text-x-generic',
['text/plain', 'text/rtf', 'application/pdf',
'application/x-pdf', 'text/html',
'application/vnd.oasis.opendocument.text',
'application/rtf', 'text/rtf'])
self._add_primitive('Image', _('Image'), 'image-x-generic',
['image/png', 'image/gif', 'image/jpeg'])
self._add_primitive('Audio', _('Audio'), 'audio-x-generic',
['audio/ogg', 'audio/x-wav', 'audio/wav'])
self._add_primitive('Video', _('Video'), 'video-x-generic',
['video/ogg', 'application/ogg'])
self._add_primitive('Etoys project', _('Etoys project'),
'application-x-squeak-project',
['application/x-squeak-project'])
self._add_primitive('Link', _('Link'),
'text-uri-list',
['text/x-moz-url', 'text/uri-list'])
self._activity_registry = bundleregistry.get_registry()
for bundle in self._activity_registry:
self._add_activity(self._activity_registry, bundle)
self._activity_registry.connect('bundle-added', self._add_activity)
def _add_primitive(self, type_id, name, icon, mime_types):
object_type = {'type_id': type_id,
'name': name,
'icon': icon,
'mime_types': mime_types}
self._types[type_id] = object_type
def _add_activity(self, activity_registry, bundle):
mime_types = bundle.get_mime_types()
if mime_types is None:
return
icon_theme = gtk.icon_theme_get_default()
for mime_type in mime_types:
if self._get_type_for_mime(mime_type) is not None:
continue
name = gnomevfs.mime_get_description(mime_type)
if name is None:
continue
icon = mime_type.replace('/', '-')
if icon_theme.lookup_icon(icon, gtk.ICON_SIZE_BUTTON, 0) is None:
continue
object_type = {'type_id': mime_type,
'name': name,
'icon': icon,
'mime_types': [mime_type]}
self._types[mime_type] = object_type
def _get_type_for_mime(self, mime_type):
for object_type in self._types.values():
if mime_type in object_type['mime_types']:
return object_type
return None
@dbus.service.method(_REGISTRY_IFACE,
in_signature="s", out_signature="a{sv}")
def GetType(self, type_id):
if self._types.has_key(type_id):
return self._types[type_id]
else:
return {}
@dbus.service.method(_REGISTRY_IFACE,
in_signature="s", out_signature="a{sv}")
def GetTypeForMIME(self, mime_type):
object_type = self._get_type_for_mime(mime_type)
if object_type:
return object_type
else:
return {}
_instance = None
def get_instance():
global _instance
if not _instance:
_instance = ObjectTypeRegistry()
return _instance
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