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from sugar.activity import activity
from sugar.graphics.toolbarbox import ToolbarBox
from sugar.graphics.objectchooser import ObjectChooser
from sugar.datastore import datastore
from sugar import mime
from sugar.logger import logging
from gettext import gettext as _
import gtk
import os
import statvfs
import zipfile
import gio
ACTION_ICONS = {
'sound' : gtk.STOCK_MEDIA_PLAY,
'video' : gtk.STOCK_MEDIA_PLAY,
'next' : gtk.STOCK_GO_FORWARD,
}
class Secuencia(activity.Activity):
def __init__(self, handle):
activity.Activity.__init__(self, handle)
self.toolbox = activity.ActivityToolbox(self)
self.set_toolbox(self.toolbox)
self.toolbox.show()
main_box = gtk.VBox()
frame = gtk.Frame()
main_box.pack_start(frame)
frame.show()
frame_vbox = gtk.VBox()
frame.add(frame_vbox)
frame_vbox.show()
self.text = gtk.Label()
frame_vbox.pack_start(self.text)
self.text.show()
self.image = gtk.Image()
frame_vbox.pack_start(self.image)
self.image.show()
self.action_icon = gtk.Image()
main_box.pack_start(self.action_icon, False)
self.action_icon.show()
self.set_canvas(main_box)
main_box.show()
# A list of (filename, mimetype) tuples
self.list = []
self.current_pos = -1
self.executed_action = True
if self.shared_activity:
pass
elif handle.object_id is not None:
self.list = self.metadata['files']
else:
self._show_journal_object_picker()
self.connect('button-press-event', lambda w, e: self._next())
self.show_all()
self._next()
def _next(self):
if not self.executed_action:
card = self.list[self.current_pos]
self._execute(card)
self.executed_action = True
else:
self.current_pos += 1
try:
card = self.list[self.current_pos]
except IndexError:
self.current_pos = -1
self._next()
else:
self._show_card(card)
self.executed_action = False
def _execute(self, card):
if 'sound' in card:
# Play sound
pass
elif 'video' in card:
# Play video
pass
def _show_card(self, card):
if 'image' in card:
self.image.set_from_file(os.path.join(os.environ['SUGAR_ACTIVITY_ROOT'], 'tmp', card['image']))
else:
self.image.set_from_stock(gtk.STOCK_MISSING_IMAGE)
if 'action' in card:
self.action_icon.set_from_stock(ACTION_ICONS[card['action']], gtk.ICON_SIZE_LARGE_TOOLBAR)
else:
self.action_icon.set_from_stock(ACTION_ICONS['next'], gtk.ICON_SIZE_LARGE_TOOLBAR)
self.text.set_text(card['title'])
def _show_journal_object_picker(self):
"""Show the journal object picker to load a document.
This is for if Read is launched without a document.
"""
chooser = ObjectChooser(_('Choose document'), self,
gtk.DIALOG_MODAL |
gtk.DIALOG_DESTROY_WITH_PARENT,
what_filter=mime.GENERIC_TYPE_TEXT) #FIXME: Filter by this activity's type
try:
result = chooser.run()
if result == gtk.RESPONSE_ACCEPT:
logging.debug('ObjectChooser: %r' %
chooser.get_selected_object())
jobject = chooser.get_selected_object()
if jobject and jobject.file_path:
self.list = jobject.metadata['files']
self.read_file(jobject.file_path)
finally:
chooser.destroy()
del chooser
def read_file(self, path):
zip = zipfile.ZipFile(path)
info = zip.infolist()
size = reduce(lambda s, i: s+i.file_size, info, 0)
stat = os.stavfs(os.environ['SUGAR_ACTIVITY_ROOT'])
if stat[statvfs.F_BSIZE]*stat[statvfs.F_BAVAIL] < size:
#TODO: Alert: Not enough free space
for member in zip.infolist():
try:
data = member.read()
self.list.append((member.filename, gio.content_type_guess(None, data))
f = open(os.path.join(os.environ['SUGAR_ACTIVITY_ROOT'], 'tmp', member.filename), 'w')
f.write(data)
del data
finally:
f.close()
def write_file(self, path):
pass
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