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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 logging
import gobject
import gio
import gtk
import gconf
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 sugar.graphics.xocolor import XoColor
from jarabe.journal import journalactivity
_icons = {}
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 800
def __init__(self, mount):
TrayIcon.__init__(self)
self._mount = mount
# TODO: fallback to the more generic icons when needed
self.get_icon().props.icon_name = self._mount.get_icon().props.names[0]
# TODO: retrieve the colors from the owner of the device
client = gconf.client_get_default()
color = XoColor(client.get_string('/desktop/sugar/user/color'))
self.get_icon().props.xo_color = color
self.connect('button-release-event', self.__button_release_event_cb)
def create_palette(self):
return VolumePalette(self._mount)
def __button_release_event_cb(self, widget, event):
journal = journalactivity.get_journal()
journal.set_active_volume(self._mount)
journal.present()
return True
class VolumePalette(Palette):
def __init__(self, mount):
Palette.__init__(self, label=mount.get_name())
self._mount = mount
self.props.secondary_text = mount.get_root().get_path()
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._mount.unmount(self.__unmount_cb)
def __unmount_cb(self, source, result):
logging.debug('__unmount_cb %r %r' % (source, result))
def __popup_cb(self, palette):
mount_point = self._mount.get_root().get_path()
stat = os.statvfs(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):
gobject.idle_add(_setup_volumes, tray)
def _setup_volumes(tray):
volume_monitor = gio.volume_monitor_get()
for volume in volume_monitor.get_volumes():
_mount(volume, tray)
for mount in volume_monitor.get_mounts():
_add_device(mount, tray)
#volume_monitor.connect('volume-added', _volume_added_cb, tray)
volume_monitor.connect('mount-added', _mount_added_cb, tray)
volume_monitor.connect('mount-removed', _mount_removed_cb, tray)
def _volume_added_cb(volume_monitor, volume, tray):
_mount(volume, tray)
def _mount(volume, tray):
#TODO: this should be done by some other process, like gvfs-hal-volume-monitor
#TODO: use volume.should_automount() when it gets into pygtk
if volume.get_mount() is None and volume.can_mount():
#TODO: pass None as mount_operation, or better, SugarMountOperation
volume.mount(gtk.MountOperation(tray.get_toplevel()), _mount_cb)
def _mount_cb(source, result):
logging.debug('mount finished %r %r' % (source, result))
def _mount_added_cb(volume_monitor, mount, tray):
_add_device(mount, tray)
def _mount_removed_cb(volume_monitor, mount, tray):
icon = _icons[mount]
tray.remove_device(icon)
del _icons[mount]
def _add_device(mount, tray):
icon = DeviceView(mount)
_icons[mount] = icon
tray.add_device(icon)
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