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# Copyright (C) 2006-2007 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 wnck
import gobject
from sugar.presence import presenceservice
from jarabe.model.friends import Friends
from jarabe.model.meshmodel import MeshModel
from jarabe.model.homemodel import HomeModel
from jarabe.model.owner import ShellOwner
class ShellModel(gobject.GObject):
ZOOM_MESH = 0
ZOOM_FRIENDS = 1
ZOOM_HOME = 2
ZOOM_ACTIVITY = 3
__gproperties__ = {
'zoom-level' : (int, None, None,
0, 3, ZOOM_HOME,
gobject.PARAM_READABLE)
}
def __init__(self):
gobject.GObject.__init__(self)
self._current_activity = None
self._zoom_level = self.ZOOM_HOME
self._showing_desktop = True
self._pservice = presenceservice.get_instance()
self._owner = ShellOwner()
self._friends = Friends()
self._mesh = MeshModel()
self._home = HomeModel()
self._screen = wnck.screen_get_default()
self._screen.connect('showing-desktop-changed',
self._showing_desktop_changed_cb)
def set_zoom_level(self, level):
self._zoom_level = level
self.notify('zoom-level')
def get_zoom_level(self):
if self._screen.get_showing_desktop():
return self._zoom_level
else:
return self.ZOOM_ACTIVITY
def do_get_property(self, pspec):
if pspec.name == 'zoom-level':
return self.get_zoom_level()
def get_mesh(self):
return self._mesh
def get_friends(self):
return self._friends
def get_invites(self):
return self._owner.get_invites()
def get_home(self):
return self._home
def get_owner(self):
return self._owner
def _showing_desktop_changed_cb(self, screen):
showing_desktop = self._screen.get_showing_desktop()
if self._showing_desktop != showing_desktop:
self._showing_desktop = showing_desktop
self.notify('zoom-level')
_instance = None
def get_instance():
global _instance
if not _instance:
_instance = ShellModel()
return _instance
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