sugar-toolkit-gtk3/services/presence/activity.py
2007-04-13 15:42:54 -04:00

311 lines
10 KiB
Python

# 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(dbus.service.InterfaceType, gobject.GObjectMeta): 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._text_channel = None
self._valid = False
self._id = None
self._color = 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")
# If not yet valid, query activity properties
if not self.props.valid:
tp.update_activity_properties(self._id)
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="",
async_callbacks=('async_cb', 'async_err_cb'))
def Join(self, async_cb, async_err_cb):
self.join(async_cb, async_err_cb)
@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 _handle_share_join(self, tp, text_channel):
if not text_channel:
logging.debug("Error sharing: text channel was None, shouldn't happen")
raise RuntimeError("Plugin returned invalid text channel")
self._text_channel = text_channel
self._text_channel[CHANNEL_INTERFACE].connect_to_signal('Closed',
self._text_channel_closed_cb)
self._joined = True
return True
def _shared_cb(self, tp, activity_id, text_channel, exc, userdata):
if activity_id != self.props.id:
# Not for us
return
(sigid, async_cb, async_err_cb) = userdata
self._tp.disconnect(sigid)
if exc:
async_err_cb(exc)
else:
self._handle_share_join(tp, text_channel)
self.send_properties()
async_cb(dbus.ObjectPath(self._object_path))
def _share(self, (async_cb, async_err_cb)):
if self._joined:
async_err_cb(RuntimeError("Already shared activity %s" % self.props.id))
return
sigid = self._tp.connect('activity-shared', self._shared_cb)
self._tp.share_activity(self.props.id, (sigid, async_cb, async_err_cb))
def _joined_cb(self, tp, activity_id, text_channel, exc, userdata):
if activity_id != self.props.id:
# Not for us
return
(sigid, async_cb, async_err_cb) = userdata
self._tp.disconnect(sigid)
if exc:
async_err_cb(exc)
else:
self._handle_share_join(tp, text_channel)
async_cb()
def join(self, async_cb, async_err_cb):
if self._joined:
async_err_cb(RuntimeError("Already joined activity %s" % self.props.id))
return
sigid = self._tp.connect('activity-joined', self._joined_cb)
self._tp.join_activity(self.props.id, (sigid, async_cb, async_err_cb))
def get_channels(self):
conn = self._tp.get_connection()
# FIXME add tubes and others channels
return str(conn.service_name), conn.object_path, [self._text_channel.object_path]
def leave(self):
if self._joined:
self._text_channel[CHANNEL_INTERFACE].Close()
def _text_channel_closed_cb(self):
self._joined = False
self._text_channel = None
def send_properties(self):
props = {}
props['name'] = self._name
props['color'] = self._color
props['type'] = self._type
self._tp.set_activity_properties(self.props.id, props)
def set_properties(self, properties):
changed = False
if "name" in properties.keys():
name = properties["name"]
if name != self._name:
self._name = name
changed = True
if "color" in properties.keys():
color = properties["color"]
if color != self._color:
self._color = color
changed = True
if "type" in properties.keys():
type = properties["type"]
if type != self._type:
self._type = type
changed = True
if changed:
self._update_validity()