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# Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2007, Collabora Ltd.
#
# 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 gobject
import dbus, dbus.service
from sugar import util
from telepathy.interfaces import (CHANNEL_INTERFACE)
_ACTIVITY_PATH = "/org/laptop/Sugar/Presence/Activities/"
_ACTIVITY_INTERFACE = "org.laptop.Sugar.Presence.Activity"
class DBusGObjectMetaclass(gobject.GObjectMeta, dbus.service.InterfaceType): pass
class DBusGObject(dbus.service.Object, gobject.GObject): __metaclass__ = DBusGObjectMetaclass
class Activity(DBusGObject):
__gtype_name__ = "Activity"
__gsignals__ = {
'validity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_BOOLEAN]))
}
__gproperties__ = {
'id' : (str, None, None, None,
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
'name' : (str, None, None, None, gobject.PARAM_READWRITE),
'color' : (str, None, None, None, gobject.PARAM_READWRITE),
'type' : (str, None, None, None, gobject.PARAM_READWRITE),
'valid' : (bool, None, None, False, gobject.PARAM_READABLE),
'local' : (bool, None, None, False,
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
'joined' : (bool, None, None, False, gobject.PARAM_READABLE)
}
def __init__(self, bus_name, object_id, tp, **kwargs):
if not bus_name:
raise ValueError("DBus bus name must be valid")
if not object_id or not isinstance(object_id, int):
raise ValueError("object id must be a valid number")
if not tp:
raise ValueError("telepathy CM must be valid")
self._object_id = object_id
self._object_path = _ACTIVITY_PATH + str(self._object_id)
dbus.service.Object.__init__(self, bus_name, self._object_path)
self._buddies = []
self._joined = False
# the telepathy client
self._tp = tp
self._activity_text_channel = None
self._valid = False
self._id = None
self._local = False
self._type = None
if not kwargs.get("id"):
raise ValueError("activity id is required")
if not util.validate_activity_id(kwargs['id']):
raise ValueError("Invalid activity id '%s'" % kwargs['id'])
gobject.GObject.__init__(self, **kwargs)
if self.props.local and not self.props.valid:
raise RuntimeError("local activities require color, type, and name")
def do_get_property(self, pspec):
if pspec.name == "id":
return self._id
elif pspec.name == "name":
return self._name
elif pspec.name == "color":
return self._color
elif pspec.name == "type":
return self._type
elif pspec.name == "valid":
return self._valid
elif pspec.name == "joined":
return self._joined
elif pspec.name == "local":
return self._local
def do_set_property(self, pspec, value):
if pspec.name == "id":
self._id = value
elif pspec.name == "name":
self._name = value
elif pspec.name == "color":
self._color = value
elif pspec.name == "type":
if self._type:
raise RuntimeError("activity type is already set")
self._type = value
elif pspec.name == "joined":
self._joined = value
elif pspec.name == "local":
self._local = value
self._update_validity()
def _update_validity(self):
try:
old_valid = self._valid
if self._color and self._name and self._id and self._type:
self._valid = True
else:
self._valid = False
if old_valid != self._valid:
self.emit("validity-changed", self._valid)
except AttributeError:
self._valid = False
# dbus signals
@dbus.service.signal(_ACTIVITY_INTERFACE,
signature="o")
def BuddyJoined(self, buddy_path):
pass
@dbus.service.signal(_ACTIVITY_INTERFACE,
signature="o")
def BuddyLeft(self, buddy_path):
pass
@dbus.service.signal(_ACTIVITY_INTERFACE,
signature="o")
def NewChannel(self, channel_path):
pass
# dbus methods
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="s")
def GetId(self):
return self.props.id
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="s")
def GetColor(self):
return self.props.color
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="s")
def GetType(self):
return self.props.type
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="")
def Join(self):
self.join()
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="ao")
def GetJoinedBuddies(self):
ret = []
for buddy in self._buddies:
if buddy.props.valid:
ret.append(buddy.object_path())
return ret
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="soao")
def GetChannels(self):
return self.get_channels()
@dbus.service.method(_ACTIVITY_INTERFACE,
in_signature="", out_signature="s")
def GetName(self):
return self.props.name
# methods
def object_path(self):
return dbus.ObjectPath(self._object_path)
def get_joined_buddies(self):
ret = []
for buddy in self._buddies:
if buddy.props.valid:
ret.append(buddy)
return ret
def buddy_joined(self, buddy):
if buddy not in self._buddies:
self._buddies.append(buddy)
if self.props.valid:
self.BuddyJoined(buddy.object_path())
def buddy_left(self, buddy):
if buddy in self._buddies:
self._buddies.remove(buddy)
if self.props.valid:
self.BuddyLeft(buddy.object_path())
def join(self):
if not self._joined:
self._activity_text_channel = self._tp.join_activity(self.props.id)
self._activity_text_channel[CHANNEL_INTERFACE].connect_to_signal('Closed', self._activity_text_channel_closed_cb)
self._joined = True
def get_channels(self):
conn = self._tp.get_connection()
# FIXME add tubes and others channels
return str(conn.service_name), conn.object_path, [self._activity_text_channel.object_path]
def leave(self):
if self._joined:
self._activity_text_channel[CHANNEL_INTERFACE].Close()
def _activity_text_channel_closed_cb(self):
self._joined = False
self._activity_text_channel = None
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