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# Copyright (C) 2007, 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 logging
import os
import statvfs
from gettext import gettext as _
import gobject
import gio
import gtk
import gconf
from sugar.graphics.radiotoolbutton import RadioToolButton
from sugar.graphics.palette import Palette
from sugar.graphics.xocolor import XoColor
from sugar import env
from jarabe.journal import model
from jarabe.view.palettes import VolumePalette
class VolumesToolbar(gtk.Toolbar):
__gtype_name__ = 'VolumesToolbar'
__gsignals__ = {
'volume-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([str])),
'volume-error': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([str, str])),
}
def __init__(self):
gtk.Toolbar.__init__(self)
self._mount_added_hid = None
self._mount_removed_hid = None
button = JournalButton()
button.connect('toggled', self._button_toggled_cb)
self.insert(button, 0)
button.show()
self._volume_buttons = [button]
self.connect('destroy', self.__destroy_cb)
gobject.idle_add(self._set_up_volumes)
def __destroy_cb(self, widget):
volume_monitor = gio.volume_monitor_get()
volume_monitor.disconnect(self._mount_added_hid)
volume_monitor.disconnect(self._mount_removed_hid)
def _set_up_volumes(self):
volume_monitor = gio.volume_monitor_get()
self._mount_added_hid = volume_monitor.connect('mount-added',
self.__mount_added_cb)
self._mount_removed_hid = volume_monitor.connect('mount-removed',
self.__mount_removed_cb)
for mount in volume_monitor.get_mounts():
self._add_button(mount)
def __mount_added_cb(self, volume_monitor, mount):
self._add_button(mount)
def __mount_removed_cb(self, volume_monitor, mount):
self._remove_button(mount)
def _add_button(self, mount):
logging.debug('VolumeToolbar._add_button: %r', mount.get_name())
button = VolumeButton(mount)
button.props.group = self._volume_buttons[0]
button.connect('toggled', self._button_toggled_cb)
button.connect('volume-error', self.__volume_error_cb)
position = self.get_item_index(self._volume_buttons[-1]) + 1
self.insert(button, position)
button.show()
self._volume_buttons.append(button)
if len(self.get_children()) > 1:
self.show()
def __volume_error_cb(self, button, strerror, severity):
self.emit('volume-error', strerror, severity)
def _button_toggled_cb(self, button):
if button.props.active:
self.emit('volume-changed', button.mount_point)
def _unmount_activated_cb(self, menu_item, mount):
logging.debug('VolumesToolbar._unmount_activated_cb: %r', mount)
mount.unmount(self.__unmount_cb)
def __unmount_cb(self, source, result):
logging.debug('__unmount_cb %r %r', source, result)
def _get_button_for_mount(self, mount):
mount_point = mount.get_root().get_path()
for button in self.get_children():
if button.mount_point == mount_point:
return button
logging.error('Couldnt find button with mount_point %r', mount_point)
return None
def _remove_button(self, mount):
button = self._get_button_for_mount(mount)
self._volume_buttons.remove(button)
self.remove(button)
self.get_children()[0].props.active = True
if len(self.get_children()) < 2:
self.hide()
def set_active_volume(self, mount):
button = self._get_button_for_mount(mount)
button.props.active = True
class BaseButton(RadioToolButton):
__gsignals__ = {
'volume-error': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([str, str])),
}
def __init__(self, mount_point):
RadioToolButton.__init__(self)
self.mount_point = mount_point
self.drag_dest_set(gtk.DEST_DEFAULT_ALL,
[('journal-object-id', 0, 0)],
gtk.gdk.ACTION_COPY)
self.connect('drag-data-received', self._drag_data_received_cb)
def _drag_data_received_cb(self, widget, drag_context, x, y,
selection_data, info, timestamp):
object_id = selection_data.data
metadata = model.get(object_id)
file_path = model.get_file(metadata['uid'])
if not file_path or not os.path.exists(file_path):
logging.warn('Entries without a file cannot be copied.')
self.emit('volume-error',
_('Entries without a file cannot be copied.'),
_('Warning'))
return
try:
model.copy(metadata, self.mount_point)
except IOError, e:
logging.exception('Error while copying the entry. %s', e.strerror)
self.emit('volume-error',
_('Error while copying the entry. %s') % e.strerror,
_('Error'))
class VolumeButton(BaseButton):
def __init__(self, mount):
self._mount = mount
mount_point = mount.get_root().get_path()
BaseButton.__init__(self, mount_point)
icon_name = None
icon_theme = gtk.icon_theme_get_default()
for icon_name in mount.get_icon().props.names:
icon_info = icon_theme.lookup_icon(icon_name,
gtk.ICON_SIZE_LARGE_TOOLBAR, 0)
if icon_info is not None:
break
if icon_name is None:
icon_name = 'drive'
self.props.named_icon = icon_name
# 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.props.xo_color = color
def create_palette(self):
palette = VolumePalette(self._mount)
#palette.props.invoker = FrameWidgetInvoker(self)
#palette.set_group_id('frame')
return palette
class JournalButton(BaseButton):
def __init__(self):
BaseButton.__init__(self, mount_point='/')
self.props.named_icon = 'activity-journal'
client = gconf.client_get_default()
color = XoColor(client.get_string('/desktop/sugar/user/color'))
self.props.xo_color = color
def create_palette(self):
palette = JournalButtonPalette(self)
return palette
class JournalButtonPalette(Palette):
def __init__(self, mount):
Palette.__init__(self, _('Journal'))
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)
def __popup_cb(self, palette):
stat = os.statvfs(env.get_profile_path())
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)}
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