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#!/usr/bin/env python
#
# Copyright (c) 2013 Walter Bender, Raul Gutierrez Segales
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#The above copyright notice and this permission notice shall be included in
#all copies or substantial portions of the Software.
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
#THE SOFTWARE.
from gettext import gettext as _
import logging
import os
import tempfile
import time
import json
from gi.repository import Gtk
from gi.repository import GdkPixbuf
from gi.repository import GConf
from gi.repository import GObject
from sugar3.datastore import datastore
from sugar3.graphics.alert import NotifyAlert
from sugar3.graphics.icon import Icon
from jarabe.journal import journalwindow
from jarabe.web import account
from facebook import facebook
ACCOUNT_NEEDS_ATTENTION = 0
ACCOUNT_ACTIVE = 1
ACCOUNT_NAME = _('Facebook')
COMMENTS = 'comments'
COMMENT_IDS = 'fb_comment_ids'
class FacebookAccount(account.Account):
ACCESS_TOKEN_KEY = "/desktop/sugar/collaboration/facebook_access_token"
ACCESS_TOKEN_KEY_EXPIRATION_DATE = \
"/desktop/sugar/collaboration/facebook_access_token_expiration_date"
def __init__(self):
self._client = GConf.Client.get_default()
facebook.FbAccount.set_access_token(self._access_token())
self._alert = None
def get_description(self):
return ACCOUNT_NAME
def is_configured(self):
return self._access_token() is not None
def is_active(self):
expiration_date = \
self._client.get_int(self.ACCESS_TOKEN_KEY_EXPIRATION_DATE)
return expiration_date != 0 and expiration_date > time.time()
def get_share_menu(self, journal_entry_metadata):
fb_share_menu = _FacebookShareMenu(journal_entry_metadata,
self.is_active())
self._connect_transfer_signals(fb_share_menu)
return fb_share_menu
def get_refresh_menu(self):
fb_refresh_menu = _FacebookRefreshMenu(self.is_active())
self._connect_transfer_signals(fb_refresh_menu)
return fb_refresh_menu
def _connect_transfer_signals(self, transfer_widget):
transfer_widget.connect('transfer-state-changed',
self._transfer_state_changed_cb)
def _transfer_state_changed_cb(self, widget, state_message):
logging.debug('_transfer_state_changed_cb')
# First, remove any existing alert
if self._alert is None:
logging.debug('creating new alert')
self._alert = NotifyAlert()
self._alert.props.title = ACCOUNT_NAME
self._alert.connect('response', self._alert_response_cb)
journalwindow.get_journal_window().add_alert(self._alert)
self._alert.show()
logging.debug(state_message)
self._alert.props.msg = state_message
def _alert_response_cb(self, alert, response_id):
journalwindow.get_journal_window().remove_alert(alert)
self._alert = None
def _access_token(self):
return self._client.get_string(self.ACCESS_TOKEN_KEY)
class _FacebookShareMenu(account.MenuItem):
__gtype_name__ = 'JournalFacebookMenu'
def __init__(self, metadata, is_active):
account.MenuItem.__init__(self, ACCOUNT_NAME)
if is_active:
icon_name = 'facebook-share'
else:
icon_name = 'facebook-share-insensitive'
self.set_image(Icon(icon_name=icon_name,
icon_size=Gtk.IconSize.MENU))
self.show()
self._metadata = metadata
self._comment = '%s: %s' % (self._get_metadata_by_key('title'),
self._get_metadata_by_key('description'))
self.connect('activate', self._facebook_share_menu_cb)
def _get_metadata_by_key(self, key, default_value=''):
if key in self._metadata:
return self._metadata[key]
return default_value
def _facebook_share_menu_cb(self, menu_item):
logging.debug('_facebook_share_menu_cb')
self.emit('transfer-state-changed', _('Upload started'))
tmp_file = tempfile.mktemp()
self._image_file_from_metadata(tmp_file)
photo = facebook.FbPhoto()
photo.connect('photo-created', self._photo_created_cb, tmp_file)
photo.connect('photo-create-failed',
self._photo_create_failed_cb,
tmp_file)
photo.connect('transfer-state-changed',
self._transfer_state_changed_cb)
GObject.idle_add(photo.create, tmp_file)
def _photo_created_cb(self, fb_photo, fb_object_id, tmp_file):
logging.debug("_photo_created_cb")
if os.path.exists(tmp_file):
os.unlink(tmp_file)
fb_photo.connect('comment-added', self._comment_added_cb)
fb_photo.connect('comment-add-failed', self._comment_add_failed_cb)
fb_photo.add_comment(self._comment)
try:
ds_object = datastore.get(self._metadata['uid'])
ds_object.metadata['fb_object_id'] = fb_object_id
datastore.write(ds_object, update_mtime=False)
except Exception as ex:
logging.debug("_photo_created_cb failed to write to datastore: " % \
str(ex))
def _photo_create_failed_cb(self, fb_photo, failed_reason, tmp_file):
logging.debug("_photo_create_failed_cb")
if os.path.exists(tmp_file):
os.unlink(tmp_file)
def _comment_added_cb(self, fb_photo, fb_comment_id):
logging.debug("_comment_added_cb")
def _comment_add_failed_cb(self, fb_photo, failed_reason):
logging.debug("_comment_add_failed_cb")
def _image_file_from_metadata(self, image_path):
""" Load a pixbuf from a Journal object. """
pixbufloader = \
GdkPixbuf.PixbufLoader.new_with_mime_type('image/png')
pixbufloader.set_size(300, 225)
try:
pixbufloader.write(self._metadata['preview'])
pixbuf = pixbufloader.get_pixbuf()
except Exception as ex:
logging.debug("_image_file_from_metadata: %s" % (str(ex)))
pixbuf = None
pixbufloader.close()
if pixbuf:
pixbuf.savev(image_path, 'png', [], [])
class _FacebookRefreshMenu(account.MenuItem):
def __init__(self, is_active):
account.MenuItem.__init__(self, ACCOUNT_NAME)
self._is_active = is_active
self._metadata = None
if is_active:
icon_name = 'facebook-refresh'
else:
icon_name = 'facebook-refresh-insensitive'
self.set_image(Icon(icon_name=icon_name,
icon_size=Gtk.IconSize.MENU))
self.show()
self.connect('activate', self._fb_refresh_menu_clicked_cb)
def set_metadata(self, metadata):
self._metadata = metadata
if self._is_active:
if self._metadata:
if 'fb_object_id' in self._metadata:
self.set_sensitive(True)
icon_name = 'facebook-refresh'
else:
self.set_sensitive(False)
icon_name = 'facebook-refresh-insensitive'
self.set_image(Icon(icon_name=icon_name,
icon_size=Gtk.IconSize.MENU))
def _fb_refresh_menu_clicked_cb(self, button):
logging.debug('_fb_refresh_menu_clicked_cb')
if self._metadata is None:
logging.debug('_fb_refresh_menu_clicked_cb called without metadata')
return
if 'fb_object_id' not in self._metadata:
logging.debug('_fb_refresh_menu_clicked_cb called without fb_object_id in metadata')
return
self.emit('transfer-state-changed', _('Download started'))
fb_photo = facebook.FbPhoto(self._metadata['fb_object_id'])
fb_photo.connect('comments-downloaded',
self._fb_comments_downloaded_cb)
fb_photo.connect('comments-download-failed',
self._fb_comments_download_failed_cb)
fb_photo.connect('transfer-state-changed',
self._transfer_state_changed_cb)
GObject.idle_add(fb_photo.refresh_comments)
def _fb_comments_downloaded_cb(self, fb_photo, comments):
logging.debug('_fb_comments_downloaded_cb')
ds_object = datastore.get(self._metadata['uid'])
if not COMMENTS in ds_object.metadata:
ds_comments = []
else:
ds_comments = json.loads(ds_object.metadata[COMMENTS])
if not COMMENT_IDS in ds_object.metadata:
ds_comment_ids = []
else:
ds_comment_ids = json.loads(ds_object.metadata[COMMENT_IDS])
new_comment = False
for comment in comments:
if comment['id'] not in ds_comment_ids:
# TODO: get avatar icon and add it to icon_theme
ds_comments.append({'from': comment['from'],
'message': comment['message'],
'icon': 'facebook-share'})
ds_comment_ids.append(comment['id'])
new_comment = True
if new_comment:
ds_object.metadata[COMMENTS] = json.dumps(ds_comments)
ds_object.metadata[COMMENT_IDS] = json.dumps(ds_comment_ids)
self.emit('comments-changed', ds_object.metadata[COMMENTS])
datastore.write(ds_object, update_mtime=False)
def _fb_comments_download_failed_cb(self, fb_photo, failed_reason):
logging.debug('_fb_comments_download_failed_cb: %s' % (failed_reason))
def get_account():
return FacebookAccount()
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