sugar-toolkit-gtk3/shell/view/home/HomeBox.py

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# Copyright (C) 2006-2007 Red Hat, Inc.
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#
# 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
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import os
import signal
import math
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from gettext import gettext as _
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import gobject
import gtk
import hippo
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import dbus
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from sugar.graphics import style
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from sugar.graphics.xocolor import XoColor
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from sugar.graphics.palette import Palette, CanvasInvoker
from sugar import profile
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from sugar import env
from view.home.activitiesdonut import ActivitiesDonut
from view.devices import deviceview
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from view.home.MyIcon import MyIcon
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from model.shellmodel import ShellModel
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class HomeBox(hippo.CanvasBox, hippo.CanvasItem):
__gtype_name__ = 'SugarHomeBox'
def __init__(self, shell):
hippo.CanvasBox.__init__(self, background_color=0xe2e2e2ff, yalign=2)
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self._donut = ActivitiesDonut(shell,box_width=style.zoom(450),
box_height=style.zoom(450))
self.append(self._donut)
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self._my_icon = HomeMyIcon(shell, style.XLARGE_ICON_SIZE)
self.append(self._my_icon, hippo.PACK_FIXED)
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shell_model = shell.get_model()
shell_model.connect('notify::state',
self._shell_state_changed_cb)
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self._device_icons = {}
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devices_model = shell_model.get_devices()
for device in devices_model:
self._add_device(device)
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devices_model.connect('device-appeared',
self._device_appeared_cb)
devices_model.connect('device-disappeared',
self._device_disappeared_cb)
def _add_device(self, device):
view = deviceview.create(device)
self.append(view, hippo.PACK_FIXED)
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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()]
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def _device_appeared_cb(self, model, device):
self._add_device(device)
def _device_disappeared_cb(self, model, device):
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self._remove_device(device)
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def _shell_state_changed_cb(self, model, pspec):
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# FIXME implement this
if model.props.state == ShellModel.STATE_SHUTDOWN:
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pass
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def do_allocate(self, width, height, origin_changed):
hippo.CanvasBox.do_allocate(self, width, height, origin_changed)
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[icon_width, icon_height] = self._my_icon.get_allocation()
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self.set_position(self._my_icon, (width - icon_width) / 2,
(height - icon_height) / 2)
i = 0
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for icon in self._device_icons.values():
angle = 2 * math.pi / len(self._device_icons) * i + math.pi / 2
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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
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
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class HomeMyIcon(MyIcon):
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def __init__(self, shell, scale):
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MyIcon.__init__(self, scale)
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self._shell = shell
def enable_palette(self):
palette = Palette(profile.get_nick_name())
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shutdown_menu_item = gtk.MenuItem(_('Shutdown'))
shutdown_menu_item.connect('activate', self._shutdown_activate_cb)
palette.append_menu_item(shutdown_menu_item)
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shutdown_menu_item.show()
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self.set_palette(palette)
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def _shutdown_activate_cb(self, menuitem):
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model = self._shell.get_model()
model.props.state = ShellModel.STATE_SHUTDOWN
if env.is_emulator():
if os.environ.has_key('SUGAR_EMULATOR_PID'):
pid = int(os.environ['SUGAR_EMULATOR_PID'])
os.kill(pid, signal.SIGTERM)
else:
bus = dbus.SystemBus()
proxy = bus.get_object('org.freedesktop.Hal',
'/org/freedesktop/Hal/devices/computer')
mgr = dbus.Interface(proxy, 'org.freedesktop.Hal.Device.SystemPowerManagement')
mgr.Shutdown()