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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 model.Friends import Friends
from model.MeshModel import MeshModel
from model.homemodel import HomeModel
from model.Owner import ShellOwner
from model.devices.devicesmodel import DevicesModel
class ShellModel(gobject.GObject):
STATE_STARTUP = 0
STATE_RUNNING = 1
STATE_SHUTDOWN = 2
ZOOM_MESH = 0
ZOOM_FRIENDS = 1
ZOOM_HOME = 2
ZOOM_ACTIVITY = 3
__gproperties__ = {
'state' : (int, None, None,
0, 2, STATE_RUNNING,
gobject.PARAM_READWRITE),
'zoom-level' : (int, None, None,
0, 3, ZOOM_HOME,
gobject.PARAM_READABLE)
}
def __init__(self):
gobject.GObject.__init__(self)
self._current_activity = None
self._state = self.STATE_RUNNING
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._devices = DevicesModel()
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_set_property(self, pspec, value):
if pspec.name == 'state':
self._state = value
def do_get_property(self, pspec):
if pspec.name == 'state':
return self._state
elif 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 get_devices(self):
return self._devices
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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