sugar-toolkit-gtk3/activities/browser/BrowserActivity.py

140 lines
4.2 KiB
Python

import logging
import xml.sax.saxutils
import gtk
import geckoembed
from sugar.activity.Activity import Activity
from sugar.presence.PresenceService import PresenceService
from sugar.p2p.model.LocalModel import LocalModel
from sugar.p2p.model.RemoteModel import RemoteModel
from NotificationBar import NotificationBar
from NavigationToolbar import NavigationToolbar
_SERVICE_URI_TAG = "URI"
_SERVICE_TITLE_TAG = "Title"
class BrowserActivity(Activity):
SOLO = 1
FOLLOWING = 2
LEADING = 3
def __init__(self, service, args):
Activity.__init__(self, service)
if len(args) > 0:
self.uri = args[0]
else:
self.uri = 'http://www.google.com'
self._mode = BrowserActivity.SOLO
self._share_service = None
self._model_service = None
self._notif_service = None
self._model = None
self.set_title("Web Page")
vbox = gtk.VBox()
self._notif_bar = NotificationBar()
vbox.pack_start(self._notif_bar, False)
self._notif_bar.connect('action', self.__notif_bar_action_cb)
self.embed = geckoembed.Embed()
self.embed.connect("title", self.__title_cb)
vbox.pack_start(self.embed)
self.embed.show()
self.embed.load_address(self.uri)
nav_toolbar = NavigationToolbar(self)
vbox.pack_start(nav_toolbar, False)
nav_toolbar.show()
self.add(vbox)
vbox.show()
self._pservice = PresenceService()
self._pservice.connect('service-appeared', self._service_appeared_cb)
# Join the shared activity if we were started from one
if self._initial_service:
logging.debug("BrowserActivity joining shared activity %s" %
self._initial_service.get_activity_id())
self._pservice.join_shared_activity(self._initial_service)
def _service_appeared_cb(self, pservice, buddy, service):
# Make sure the service is for our activity
if service.get_activity_id() != self._activity_id:
return
if service.get_type() == self._default_type:
self._notif_service = service
elif service.get_type() == LocalModel.SERVICE_TYPE:
if self._mode != BrowserActivity.LEADING:
self._model_service = service
if not self._model and self._notif_service and self._model_service:
self._model = RemoteModel(self._model_service, self._notif_service)
self._model.add_listener(self.__shared_location_changed_cb)
def _update_shared_location(self):
address = self.embed.get_address()
self._model.set_value('address', address)
title = self.embed.get_title()
self._model.set_value('title', title)
def __notif_bar_action_cb(self, bar, action_id):
if action_id == 'set_shared_location':
self._update_shared_location()
elif action_id == 'goto_shared_location':
address = self._model.get_value("address")
self.embed.load_address(address)
self._notif_bar.hide()
def set_mode(self, mode):
self._mode = mode
if mode == BrowserActivity.LEADING:
self._notif_bar.set_text('Share this page with the group.')
self._notif_bar.set_action('set_shared_location', 'Share')
self._notif_bar.set_icon('stock_shared-by-me')
self._notif_bar.show()
def get_embed(self):
return self.embed
def publish(self):
escaped_title = xml.sax.saxutils.escape(self.embed.get_title())
escaped_url = xml.sax.saxutils.escape(self.embed.get_address())
# Publish ourselves on the network
properties = {_SERVICE_URI_TAG: escaped_url, _SERVICE_TITLE_TAG: escaped_title}
self._share_service = self._pservice.share_activity(self,
stype=self._default_type, properties=properties)
# Create our activity-specific browser sharing service
self._model = LocalModel(self, self._pservice, self._share_service)
self._model.set_value('owner', self._pservice.get_owner().get_nick_name())
self._update_shared_location()
self.set_mode(BrowserActivity.LEADING)
def __title_cb(self, embed):
self.set_title(embed.get_title())
def __shared_location_changed_cb(self, model, key):
self.set_has_changes(True)
self._notify_shared_location_change()
def _notify_shared_location_change(self):
owner = self._model.get_value('owner')
title = self._model.get_value('title')
text = '<b>' + owner + '</b> is reading <i>' + title + '</i>'
self._notif_bar.set_text(text)
self._notif_bar.set_action('goto_shared_location', 'Go There')
self._notif_bar.set_icon('stock_right')
self._notif_bar.show()