242 lines
8.2 KiB
Python
242 lines
8.2 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 profile
|
|
|
|
_BUDDY_PATH = "/org/laptop/Sugar/Presence/Buddies/"
|
|
_BUDDY_INTERFACE = "org.laptop.Sugar.Presence.Buddy"
|
|
_OWNER_INTERFACE = "org.laptop.Sugar.Presence.Buddy.Owner"
|
|
|
|
class NotFoundError(dbus.DBusException):
|
|
def __init__(self):
|
|
dbus.DBusException.__init__(self)
|
|
self._dbus_error_name = _PRESENCE_INTERFACE + '.NotFound'
|
|
|
|
class DBusGObjectMetaclass(gobject.GObjectMeta, dbus.service.InterfaceType): pass
|
|
class DBusGObject(dbus.service.Object, gobject.GObject): __metaclass__ = DBusGObjectMetaclass
|
|
|
|
|
|
class Buddy(DBusGObject):
|
|
"""Represents another person on the network and keeps track of the
|
|
activities and resources they make available for sharing."""
|
|
|
|
__gtype_name__ = "Buddy"
|
|
|
|
__gsignals__ = {
|
|
'validity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
|
|
([gobject.TYPE_BOOLEAN]))
|
|
}
|
|
|
|
__gproperties__ = {
|
|
'key' : (str, None, None, None,
|
|
gobject.PARAM_READWRITE | gobject.PARAM_CONSTRUCT_ONLY),
|
|
'icon' : (str, None, None, None, gobject.PARAM_READWRITE),
|
|
'nick' : (str, None, None, None, gobject.PARAM_READWRITE),
|
|
'color' : (str, None, None, None, gobject.PARAM_READWRITE),
|
|
'current-activity' : (str, None, None, None, gobject.PARAM_READWRITE),
|
|
'valid' : (bool, None, None, False, gobject.PARAM_READABLE),
|
|
'owner' : (bool, None, None, False, gobject.PARAM_READABLE)
|
|
}
|
|
|
|
def __init__(self, bus_name, object_id, **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")
|
|
|
|
self._bus_name = bus_name
|
|
self._object_id = object_id
|
|
self._object_path = _BUDDY_PATH + str(self._object_id)
|
|
dbus.service.Object.__init__(self, self._bus_name, self._object_path)
|
|
|
|
self._activities = {} # Activity ID -> Activity
|
|
self.handles = {} # tp client -> handle
|
|
|
|
self._valid = False
|
|
self._owner = False
|
|
self._key = None
|
|
self._icon = ''
|
|
|
|
gobject.GObject.__init__(self, **kwargs)
|
|
if not self._key:
|
|
raise RuntimeError("public key required")
|
|
|
|
def do_get_property(self, pspec):
|
|
if pspec.name == "key":
|
|
return self._key
|
|
elif pspec.name == "icon":
|
|
return self._icon
|
|
elif pspec.name == "nick":
|
|
return self._nick
|
|
elif pspec.name == "color":
|
|
return self._color
|
|
elif pspec.name == "current-activity":
|
|
if not self._current_activity:
|
|
return None
|
|
if not self._activities.has_key(self._current_activity):
|
|
return None
|
|
return self._activities[self._current_activity]
|
|
elif pspec.name == "valid":
|
|
return self._valid
|
|
elif pspec.name == "owner":
|
|
return self._owner
|
|
|
|
def do_set_property(self, pspec, value):
|
|
if pspec.name == "icon":
|
|
if value != self._icon:
|
|
self._icon = value
|
|
self.IconChanged(value)
|
|
elif pspec.name == "nick":
|
|
self._nick = value
|
|
elif pspec.name == "color":
|
|
self._color = value
|
|
elif pspec.name == "current-activity":
|
|
self._current_activity = value
|
|
elif pspec.name == "key":
|
|
if self._key:
|
|
raise RuntimeError("key already set")
|
|
self._key = value
|
|
|
|
self._update_validity()
|
|
|
|
# dbus signals
|
|
@dbus.service.signal(_BUDDY_INTERFACE,
|
|
signature="ay")
|
|
def IconChanged(self, icon_data):
|
|
pass
|
|
|
|
@dbus.service.signal(_BUDDY_INTERFACE,
|
|
signature="o")
|
|
def JoinedActivity(self, activity_path):
|
|
pass
|
|
|
|
@dbus.service.signal(_BUDDY_INTERFACE,
|
|
signature="o")
|
|
def LeftActivity(self, activity_path):
|
|
pass
|
|
|
|
@dbus.service.signal(_BUDDY_INTERFACE,
|
|
signature="a{sv}")
|
|
def PropertyChanged(self, updated):
|
|
pass
|
|
|
|
# dbus methods
|
|
@dbus.service.method(_BUDDY_INTERFACE,
|
|
in_signature="", out_signature="ay")
|
|
def GetIcon(self):
|
|
if not self.props.icon:
|
|
return ""
|
|
return dbus.ByteArray(self.props.icon)
|
|
|
|
@dbus.service.method(_BUDDY_INTERFACE,
|
|
in_signature="", out_signature="ao")
|
|
def GetJoinedActivities(self):
|
|
acts = []
|
|
for act in self.get_joined_activities():
|
|
acts.append(act.object_path())
|
|
return acts
|
|
|
|
@dbus.service.method(_BUDDY_INTERFACE,
|
|
in_signature="", out_signature="a{sv}")
|
|
def GetProperties(self):
|
|
props = {}
|
|
props['nick'] = self.props.nick
|
|
props['owner'] = self.props.owner
|
|
props['key'] = self.props.key
|
|
props['color'] = self.props.color
|
|
return props
|
|
|
|
# methods
|
|
def object_path(self):
|
|
return dbus.ObjectPath(self._object_path)
|
|
|
|
def add_activity(self, activity):
|
|
actid = activity.get_id()
|
|
if self._activities.has_key(actid):
|
|
return
|
|
self._activities[actid] = activity
|
|
if activity.is_valid():
|
|
self.JoinedActivity(activity.object_path())
|
|
|
|
def remove_activity(self, activity):
|
|
actid = activity.get_id()
|
|
if not self._activities.has_key(actid):
|
|
return
|
|
del self._activities[actid]
|
|
if activity.is_valid():
|
|
self.LeftActivity(activity.object_path())
|
|
|
|
def get_joined_activities(self):
|
|
acts = []
|
|
for act in self._activities.values():
|
|
if act.is_valid():
|
|
acts.append(act)
|
|
return acts
|
|
|
|
def set_properties(self, properties):
|
|
if "nick" in properties.keys():
|
|
self._nick = properties["nick"]
|
|
if "color" in properties.keys():
|
|
self._color = properties["color"]
|
|
|
|
# Try emitting PropertyChanged before updating validity
|
|
# to avoid leaking a PropertyChanged signal before the buddy is
|
|
# actually valid the first time after creation
|
|
if self._valid:
|
|
self.PropertyChanged(properties)
|
|
|
|
self._update_validity()
|
|
|
|
def _update_validity(self):
|
|
try:
|
|
old_valid = self._valid
|
|
if self._color and self._nick and self._key:
|
|
self._valid = True
|
|
else:
|
|
self._valid = False
|
|
|
|
if old_valid != self._valid:
|
|
self.emit("validity-changed", self._valid)
|
|
except AttributeError:
|
|
self._valid = False
|
|
|
|
|
|
class Owner(Buddy):
|
|
"""Class representing the owner of the machine. This is the client
|
|
portion of the Owner, paired with the server portion in Owner.py."""
|
|
def __init__(self, bus_name, object_id):
|
|
key = profile.get_pubkey()
|
|
nick = profile.get_nick_name()
|
|
color = profile.get_color().to_string()
|
|
|
|
Buddy.__init__(self, bus_name, object_id, key=key, nick=nick, color=color)
|
|
self._owner = True
|
|
|
|
# dbus methods
|
|
@dbus.service.method(_OWNER_INTERFACE,
|
|
in_signature="ay", out_signature="")
|
|
def SetIcon(self, icon_data):
|
|
self.props.icon = icon_data
|
|
|
|
@dbus.service.method(_OWNER_INTERFACE,
|
|
in_signature="a{sv}", out_signature="")
|
|
def SetProperties(self, prop):
|
|
self.set_properties(self, prop)
|
|
|