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# Copyright (C) 2008 One Laptop Per Child
#
# 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 statvfs
from gettext import gettext as _
import gtk
from sugar.graphics.tray import TrayIcon
from sugar.graphics.palette import Palette
from sugar.graphics.menuitem import MenuItem
from sugar.graphics.icon import Icon
from jarabe.model import volume
_icons = {}
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 800
def __init__(self, model):
TrayIcon.__init__(self, icon_name=model.icon_name,
xo_color=model.icon_color)
self._model = model
def create_palette(self):
return VolumePalette(self._model)
class VolumePalette(Palette):
def __init__(self, model):
Palette.__init__(self, label=model.name,
secondary_text=model.mount_point)
self._model = model
vbox = gtk.VBox()
self.set_content(vbox)
vbox.show()
self._progress_bar = gtk.ProgressBar()
vbox.add(self._progress_bar)
self._progress_bar.show()
self._free_space_label = gtk.Label()
self._free_space_label.set_alignment(0.5, 0.5)
vbox.add(self._free_space_label)
self._free_space_label.show()
self.connect('popup', self.__popup_cb)
menu_item = MenuItem(_('Unmount'))
icon = Icon(icon_name='media-eject', icon_size=gtk.ICON_SIZE_MENU)
menu_item.set_image(icon)
icon.show()
menu_item.connect('activate', self.__unmount_activate_cb)
self.menu.append(menu_item)
menu_item.show()
def __unmount_activate_cb(self, menu_item):
self._model.unmount()
def __popup_cb(self, palette):
stat = os.statvfs(self._model.mount_point)
free_space = stat[statvfs.F_BSIZE] * stat[statvfs.F_BAVAIL]
total_space = stat[statvfs.F_BSIZE] * stat[statvfs.F_BLOCKS]
fraction = (total_space - free_space) / float(total_space)
self._progress_bar.props.fraction = fraction
self._free_space_label.props.label = _('%(free_space)d MB Free') % \
{'free_space': free_space / (1024 * 1024)}
def setup(tray):
volumes_manager = volume.get_volumes_manager()
for vol in volumes_manager.get_volumes():
_add_device(vol, tray)
volumes_manager.connect('volume-added', _volume_added_cb, tray)
volumes_manager.connect('volume-removed', _volume_removed_cb, tray)
def _volume_added_cb(volumes_manager, vol, tray):
_add_device(vol, tray)
def _volume_removed_cb(volumes_manager, vol, tray):
_remove_device(vol, tray)
def _add_device(volume, tray):
icon = DeviceView(volume)
_icons[volume] = icon
tray.add_device(icon)
def _remove_device(volume, tray):
icon = _icons[volume]
tray.remove_device(icon)
del _icons[volume]
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