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# Copyright (C) 2006, 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
from sugar.presence import PresenceService
from sugar.graphics.iconcolor import IconColor
import gobject
_NOT_PRESENT_COLOR = "#888888,#BBBBBB"
class BuddyModel(gobject.GObject):
__gsignals__ = {
'appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
'color-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'icon-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([])),
'current-activity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self, name=None, buddy=None):
if name and buddy:
raise RuntimeError("Must specify only _one_ of name or buddy.")
gobject.GObject.__init__(self)
self._ba_handler = None
self._pc_handler = None
self._dis_handler = None
self._bic_handler = None
self._cac_handler = None
self._pservice = PresenceService.get_instance()
self._buddy = None
# If given just a name, try to get the buddy from the PS first
if not buddy:
self._name = name
# FIXME: use public key, not name
buddy = self._pservice.get_buddy_by_name(self._name)
# If successful, copy properties from the PS buddy object
if buddy:
self.__update_buddy(buddy)
else:
# Otherwise, connect to the PS's buddy-appeared signal and
# wait for the buddy to appear
self._ba_handler = self._pservice.connect('buddy-appeared',
self.__buddy_appeared_cb)
self._name = name
# Set color to 'inactive'/'disconnected'
self.__set_color_from_string(_NOT_PRESENT_COLOR)
def __set_color_from_string(self, color_string):
self._color = IconColor(color_string)
def get_name(self):
return self._name
def get_color(self):
return self._color
def get_buddy(self):
return self._buddy
def is_present(self):
if self._buddy:
return True
return False
def get_current_activity(self):
if self._buddy:
return self._buddy.get_current_activity()
return None
def __update_buddy(self, buddy):
if not buddy:
raise ValueError("Buddy cannot be None.")
self._buddy = buddy
self._name = self._buddy.get_name()
self.__set_color_from_string(self._buddy.get_color())
self._pc_handler = self._buddy.connect('property-changed', self.__buddy_property_changed_cb)
self._dis_handler = self._buddy.connect('disappeared', self.__buddy_disappeared_cb)
self._bic_handler = self._buddy.connect('icon-changed', self.__buddy_icon_changed_cb)
self._cac_handler = self._buddy.connect('current-activity-changed', self.__buddy_current_activity_changed_cb)
def __buddy_appeared_cb(self, pservice, buddy):
# FIXME: use public key rather than buddy name
if self._buddy or buddy.get_name() != self._name:
return
if self._ba_handler:
# Once we have the buddy, we no longer need to
# monitor buddy-appeared events
self._pservice.disconnect(self._ba_handler)
self._ba_handler = None
self.__update_buddy(buddy)
self.emit('appeared')
def __buddy_property_changed_cb(self, buddy, keys):
if not self._buddy:
return
if 'color' in keys:
self.__set_color_from_string(self._buddy.get_color())
self.emit('color-changed', self.get_color())
def __buddy_disappeared_cb(self, buddy):
if buddy != self._buddy:
return
self._buddy.disconnect(self._pc_handler)
self._buddy.disconnect(self._dis_handler)
self._buddy.disconnect(self._bic_handler)
self._buddy.disconnect(self._cac_handler)
self.__set_color_from_string(_NOT_PRESENT_COLOR)
self.emit('disappeared')
self._buddy = None
def __buddy_icon_changed_cb(self, buddy):
self.emit('icon-changed')
def __buddy_current_activity_changed_cb(self, buddy, activity=None):
if not self._buddy:
return
self.emit('current-activity-changed', activity)
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