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

157 lines
4.8 KiB
Python

import logging
import xml.sax.saxutils
import dbus
import pygtk
pygtk.require('2.0')
import gtk
import geckoembed
from sugar.shell import activity
from sugar.browser import NotificationBar
from sugar.browser import NavigationToolbar
from sugar.presence.PresenceService import PresenceService
from sugar.p2p.model.LocalModel import LocalModel
from sugar.p2p.model.RemoteModel import RemoteModel
_BROWSER_ACTIVITY_TYPE = "_web_olpc._udp"
_SERVICE_URI_TAG = "URI"
_SERVICE_TITLE_TAG = "Title"
class BrowserActivity(activity.Activity):
SOLO = 1
FOLLOWING = 2
LEADING = 3
def __init__(self, uri, mode = SOLO):
activity.Activity.__init__(self, _BROWSER_ACTIVITY_TYPE)
self.uri = uri
self._mode = mode
self._share_service = None
self._model_service = None
self._notif_service = None
self._model = None
def _service_appeared_cb(self, pservice, buddy, service):
# Make sure the service is for our activity
if service.get_activity_uid() != self._activity_id:
return
if service.get_type() == _BROWSER_ACTIVITY_TYPE:
self._notif_service = service
elif service.get_type() == LocalModel.SERVICE_TYPE:
if self._mode != BrowserActivity.LEADING:
self._model_service = service
if 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 get_default_type(self):
return _BROWSER_ACTIVITY_TYPE
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):
print action_id
if action_id == 'set_shared_location':
self._update_shared_location()
elif action_id == 'goto_shared_location':
address = self._model.get_value("address")
print 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 on_connected_to_shell(self):
self.set_ellipsize_tab(True)
self.set_can_close(True)
self.set_tab_text("Web Page")
self.set_tab_icon(name="web-browser")
self.set_show_tab_icon(True)
vbox = gtk.VBox()
self._notif_bar = NotificationBar.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.NavigationToolbar(self)
vbox.pack_start(nav_toolbar, False)
nav_toolbar.show()
plug = self.gtk_plug()
plug.add(vbox)
plug.show()
vbox.show()
logging.debug('Start presence service')
self._pservice = PresenceService.get_instance()
self._pservice.start()
logging.debug('Track browser activities')
self._pservice.connect('service-appeared', self._service_appeared_cb)
self._pservice.track_service_type(_BROWSER_ACTIVITY_TYPE)
self._pservice.track_service_type(LocalModel.SERVICE_TYPE)
# 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_uid())
self._pservice.join_shared_activity(self._initial_service)
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=_BROWSER_ACTIVITY_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_tab_text(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()