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157 lines
4.7 KiB
Python
157 lines
4.7 KiB
Python
import logging
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import xml.sax.saxutils
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import pygtk
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pygtk.require('2.0')
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import gtk
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import geckoembed
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from sugar.activity import activity
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from sugar.presence.PresenceService import PresenceService
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from sugar.p2p.model.LocalModel import LocalModel
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from sugar.p2p.model.RemoteModel import RemoteModel
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from NotificationBar import NotificationBar
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from NavigationToolbar import NavigationToolbar
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_BROWSER_ACTIVITY_TYPE = "_web_olpc._udp"
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_SERVICE_URI_TAG = "URI"
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_SERVICE_TITLE_TAG = "Title"
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class BrowserActivity(activity.Activity):
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SOLO = 1
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FOLLOWING = 2
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LEADING = 3
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def __init__(self, uri, mode = SOLO):
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activity.Activity.__init__(self, _BROWSER_ACTIVITY_TYPE)
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self.uri = uri
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self._mode = mode
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self._share_service = None
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self._model_service = None
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self._notif_service = None
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self._model = None
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def _service_appeared_cb(self, pservice, buddy, service):
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# Make sure the service is for our activity
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if service.get_activity_uid() != self._activity_id:
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return
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if service.get_type() == _BROWSER_ACTIVITY_TYPE:
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self._notif_service = service
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elif service.get_type() == LocalModel.SERVICE_TYPE:
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if self._mode != BrowserActivity.LEADING:
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self._model_service = service
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if self._notif_service and self._model_service:
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self._model = RemoteModel(self._model_service, self._notif_service)
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self._model.add_listener(self.__shared_location_changed_cb)
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def get_default_type(self):
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return _BROWSER_ACTIVITY_TYPE
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def _update_shared_location(self):
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address = self.embed.get_address()
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self._model.set_value('address', address)
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title = self.embed.get_title()
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self._model.set_value('title', title)
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def __notif_bar_action_cb(self, bar, action_id):
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print action_id
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if action_id == 'set_shared_location':
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self._update_shared_location()
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elif action_id == 'goto_shared_location':
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address = self._model.get_value("address")
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print address
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self.embed.load_address(address)
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self._notif_bar.hide()
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def set_mode(self, mode):
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self._mode = mode
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if mode == BrowserActivity.LEADING:
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self._notif_bar.set_text('Share this page with the group.')
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self._notif_bar.set_action('set_shared_location', 'Share')
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self._notif_bar.set_icon('stock_shared-by-me')
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self._notif_bar.show()
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def on_connected_to_shell(self):
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self.set_ellipsize_tab(True)
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self.set_can_close(True)
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self.set_tab_text("Web Page")
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self.set_tab_icon(name="web-browser")
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self.set_show_tab_icon(True)
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vbox = gtk.VBox()
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self._notif_bar = NotificationBar()
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vbox.pack_start(self._notif_bar, False)
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self._notif_bar.connect('action', self.__notif_bar_action_cb)
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self.embed = geckoembed.Embed()
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self.embed.connect("title", self.__title_cb)
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vbox.pack_start(self.embed)
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self.embed.show()
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self.embed.load_address(self.uri)
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nav_toolbar = NavigationToolbar(self)
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vbox.pack_start(nav_toolbar, False)
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nav_toolbar.show()
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plug = self.gtk_plug()
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plug.add(vbox)
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plug.show()
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vbox.show()
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logging.debug('Start presence service')
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self._pservice = PresenceService.get_instance()
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self._pservice.start()
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logging.debug('Track browser activities')
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self._pservice.connect('service-appeared', self._service_appeared_cb)
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self._pservice.track_service_type(_BROWSER_ACTIVITY_TYPE)
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self._pservice.track_service_type(LocalModel.SERVICE_TYPE)
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# Join the shared activity if we were started from one
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if self._initial_service:
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logging.debug("BrowserActivity joining shared activity %s" % self._initial_service.get_activity_uid())
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self._pservice.join_shared_activity(self._initial_service)
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def get_embed(self):
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return self.embed
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def publish(self):
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escaped_title = xml.sax.saxutils.escape(self.embed.get_title())
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escaped_url = xml.sax.saxutils.escape(self.embed.get_address())
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# Publish ourselves on the network
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properties = {_SERVICE_URI_TAG: escaped_url, _SERVICE_TITLE_TAG: escaped_title}
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self._share_service = self._pservice.share_activity(self,
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stype=_BROWSER_ACTIVITY_TYPE, properties=properties)
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# Create our activity-specific browser sharing service
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self._model = LocalModel(self, self._pservice, self._share_service)
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self._model.set_value('owner', self._pservice.get_owner().get_nick_name())
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self._update_shared_location()
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self.set_mode(BrowserActivity.LEADING)
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def __title_cb(self, embed):
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self.set_tab_text(embed.get_title())
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def __shared_location_changed_cb(self, model, key):
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self.set_has_changes(True)
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self._notify_shared_location_change()
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def _notify_shared_location_change(self):
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owner = self._model.get_value('owner')
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title = self._model.get_value('title')
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text = '<b>' + owner + '</b> is reading <i>' + title + '</i>'
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self._notif_bar.set_text(text)
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self._notif_bar.set_action('goto_shared_location', 'Go There')
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self._notif_bar.set_icon('stock_right')
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self._notif_bar.show()
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