sugar-toolkit-gtk3/shell/view/home/HomeBox.py
2007-09-08 12:10:35 +02:00

202 lines
6.3 KiB
Python

# 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 os
import signal
import math
from gettext import gettext as _
import gobject
import gtk
import hippo
import dbus
from sugar.graphics import style
from sugar.graphics.xocolor import XoColor
from sugar.graphics.palette import Palette, CanvasInvoker
from sugar import profile
from sugar import env
from view.home.activitiesdonut import ActivitiesDonut
from view.devices import deviceview
from view.home.MyIcon import MyIcon
from model.shellmodel import ShellModel
class HomeBox(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarHomeBox'
def __init__(self, shell):
hippo.CanvasBox.__init__(self, background_color=0xe2e2e2ff, yalign=2)
self._donut = ActivitiesDonut(shell, box_width=style.zoom(450),
box_height=style.zoom(450))
self.append(self._donut)
self._my_icon = HomeMyIcon(shell, style.XLARGE_ICON_SIZE)
self.append(self._my_icon, hippo.PACK_FIXED)
shell_model = shell.get_model()
shell_model.connect('notify::state',
self._shell_state_changed_cb)
self._device_icons = {}
devices_model = shell_model.get_devices()
for device in devices_model:
self._add_device(device)
devices_model.connect('device-appeared',
self._device_appeared_cb)
devices_model.connect('device-disappeared',
self._device_disappeared_cb)
self._redraw_id = None
def __del__(self):
self.suspend()
def _add_device(self, device):
view = deviceview.create(device)
self.append(view, hippo.PACK_FIXED)
self._device_icons[device.get_id()] = view
def _remove_device(self, device):
self.remove(self._device_icons[device.get_id()])
del self._device_icons[device.get_id()]
def _device_appeared_cb(self, model, device):
self._add_device(device)
def _device_disappeared_cb(self, model, device):
self._remove_device(device)
def _shell_state_changed_cb(self, model, pspec):
# FIXME implement this
if model.props.state == ShellModel.STATE_SHUTDOWN:
pass
def do_allocate(self, width, height, origin_changed):
hippo.CanvasBox.do_allocate(self, width, height, origin_changed)
[icon_width, icon_height] = self._my_icon.get_allocation()
self.set_position(self._my_icon, (width - icon_width) / 2,
(height - icon_height) / 2)
i = 0
for icon in self._device_icons.values():
angle = 2 * math.pi / len(self._device_icons) * i + math.pi / 2
radius = style.zoom(300)
[icon_width, icon_height] = icon.get_allocation()
x = int(radius * math.cos(angle)) - icon_width / 2
y = int(radius * math.sin(angle)) - icon_height / 2
self.set_position(icon, x + width / 2, y + height / 2)
i += 1
_REDRAW_TIMEOUT = 5 * 60 * 1000 # 5 minutes
def resume(self):
self._redraw_activity_ring()
if self._redraw_id is None:
self._redraw_id = gobject.timeout_add(self._REDRAW_TIMEOUT,
self._redraw_activity_ring)
def suspend(self):
if self._redraw_id is not None:
gobject.source_remove(self._redraw_id)
self._redraw_id = None
def _redraw_activity_ring(self):
self._donut.redraw()
return True
def has_activities(self):
return self._donut.has_activities()
def enable_xo_palette(self):
self._my_icon.enable_palette()
def grab_and_rotate(self):
pass
def rotate(self):
pass
def release(self):
pass
class HomeMyIcon(MyIcon):
def __init__(self, shell, scale):
MyIcon.__init__(self, scale)
self._power_manager = None
self._shell = shell
def enable_palette(self):
palette = Palette(profile.get_nick_name())
reboot_menu_item = gtk.MenuItem(_('Reboot'))
reboot_menu_item.connect('activate', self._reboot_activate_cb)
shutdown_menu_item = gtk.MenuItem(_('Shutdown'))
shutdown_menu_item.connect('activate', self._shutdown_activate_cb)
palette.menu.append(reboot_menu_item)
palette.menu.append(shutdown_menu_item)
reboot_menu_item.show()
shutdown_menu_item.show()
self.set_palette(palette)
def _reboot_activate_cb(self, menuitem):
model = self._shell.get_model()
model.props.state = ShellModel.STATE_SHUTDOWN
pm = self._get_power_manager()
if env.is_emulator():
self._close_emulator()
else:
pm.Reboot()
def _shutdown_activate_cb(self, menuitem):
model = self._shell.get_model()
model.props.state = ShellModel.STATE_SHUTDOWN
pm = self._get_power_manager()
if env.is_emulator():
self._close_emulator()
else:
pm.Shutdown()
def _close_emulator(self):
if os.environ.has_key('SUGAR_EMULATOR_PID'):
pid = int(os.environ['SUGAR_EMULATOR_PID'])
os.kill(pid, signal.SIGTERM)
def _get_power_manager(self):
if self._power_manager is None:
bus = dbus.SystemBus()
proxy = bus.get_object('org.freedesktop.Hal',
'/org/freedesktop/Hal/devices/computer')
self._power_manager = dbus.Interface(proxy, \
'org.freedesktop.Hal.Device.SystemPowerManagement')
return self._power_manager