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-# Copyright (C) 2006, Red Hat, Inc.
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-import os
-import logging
-from gettext import gettext as _
-
-import gobject
-gobject.threads_init()
-
-import gtk
-import sha
-import base64
-import time
-import shutil
-
-from sugar.activity import activity
-from sugar.graphics import style
-import telepathy
-import telepathy.client
-from sugar.presence import presenceservice
-from sugar.graphics.tray import HTray
-from sugar import profile
-from sugar.graphics.alert import Alert
-from sugar.graphics.icon import Icon
-from sugar import mime
-
-PROFILE_VERSION = 1
-
-_profile_version = 0
-_profile_path = os.path.join(activity.get_activity_root(), 'data/gecko')
-_version_file = os.path.join(_profile_path, 'version')
-
-if os.path.exists(_version_file):
- f = open(_version_file)
- _profile_version = int(f.read())
- f.close()
-
-if _profile_version < PROFILE_VERSION:
- if not os.path.exists(_profile_path):
- os.mkdir(_profile_path)
-
- shutil.copy('cert8.db', _profile_path)
- os.chmod(os.path.join(_profile_path, 'cert8.db'), 0660)
-
- f = open(_version_file, 'w')
- f.write(str(PROFILE_VERSION))
- f.close()
-
-import hulahop
-hulahop.startup(_profile_path)
-
-from browser import Browser
-from webtoolbar import WebToolbar
-from viewtoolbar import ViewToolbar
-import downloadmanager
-import sessionhistory
-import progresslistener
-
-_LIBRARY_PATH = '/usr/share/library-common/index.html'
-
-from model import Model
-from sugar.presence.tubeconn import TubeConnection
-from messenger import Messenger
-from linkbutton import LinkButton
-
-SERVICE = "org.laptop.WebActivity"
-IFACE = SERVICE
-PATH = "/org/laptop/WebActivity"
-
-_TOOLBAR_BROWSE = 1
-
-_logger = logging.getLogger('web-activity')
-
-class WebActivity(activity.Activity):
- def __init__(self, handle):
- activity.Activity.__init__(self, handle)
-
- _logger.debug('Starting the web activity')
-
- self._browser = Browser()
-
- temp_path = os.path.join(self.get_activity_root(), 'instance')
- downloadmanager.init(self._browser, self, temp_path)
- sessionhistory.init(self._browser)
- progresslistener.init(self._browser)
-
- toolbox = activity.ActivityToolbox(self)
- activity_toolbar = toolbox.get_activity_toolbar()
-
- self.toolbar = WebToolbar(self._browser)
- toolbox.add_toolbar(_('Browse'), self.toolbar)
- self.toolbar.show()
-
- self._tray = HTray()
- self.set_tray(self._tray, gtk.POS_BOTTOM)
- self._tray.show()
-
- self.viewtoolbar = ViewToolbar(self)
- toolbox.add_toolbar(_('View'), self.viewtoolbar)
- self.viewtoolbar.show()
-
- self.set_toolbox(toolbox)
- toolbox.show()
-
- self.set_canvas(self._browser)
- self._browser.show()
-
- self.session_history = sessionhistory.get_instance()
- self.session_history.connect('session-link-changed', self._session_history_changed_cb)
- self.toolbar.connect('add-link', self._link_add_button_cb)
-
- self._browser.connect("notify::title", self._title_changed_cb)
-
- self.model = Model()
- self.model.connect('add_link', self._add_link_model_cb)
-
- self.current = _('blank')
- self.webtitle = _('blank')
- self.connect('key-press-event', self._key_press_cb)
-
- self.toolbox.set_current_toolbar(_TOOLBAR_BROWSE)
-
- if handle.uri:
- self._browser.load_uri(handle.uri)
- elif not self._jobject.file_path:
- # TODO: we need this hack until we extend the activity API for
- # opening URIs and default docs.
- self._load_homepage()
-
- self.messenger = None
- self.connect('shared', self._shared_cb)
-
- # Get the Presence Service
- self.pservice = presenceservice.get_instance()
- try:
- name, path = self.pservice.get_preferred_connection()
- self.tp_conn_name = name
- self.tp_conn_path = path
- self.conn = telepathy.client.Connection(name, path)
- except TypeError:
- _logger.debug('Offline')
- self.initiating = None
-
- if self._shared_activity is not None:
- _logger.debug('shared: %s' %self._shared_activity.props.joined)
-
- if self._shared_activity is not None:
- # We are joining the activity
- _logger.debug('Joined activity')
- self.connect('joined', self._joined_cb)
- if self.get_shared():
- # We've already joined
- self._joined_cb()
- else:
- _logger.debug('Created activity')
-
- def _shared_cb(self, activity):
- _logger.debug('My activity was shared')
- self.initiating = True
- self._setup()
-
- _logger.debug('This is my activity: making a tube...')
- id = self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
- SERVICE, {})
-
- def _setup(self):
- if self._shared_activity is None:
- _logger.debug('Failed to share or join activity')
- return
-
- bus_name, conn_path, channel_paths = self._shared_activity.get_channels()
-
- # Work out what our room is called and whether we have Tubes already
- room = None
- tubes_chan = None
- text_chan = None
- for channel_path in channel_paths:
- channel = telepathy.client.Channel(bus_name, channel_path)
- htype, handle = channel.GetHandle()
- if htype == telepathy.HANDLE_TYPE_ROOM:
- _logger.debug('Found our room: it has handle#%d "%s"'
- %(handle, self.conn.InspectHandles(htype, [handle])[0]))
- room = handle
- ctype = channel.GetChannelType()
- if ctype == telepathy.CHANNEL_TYPE_TUBES:
- _logger.debug('Found our Tubes channel at %s'%channel_path)
- tubes_chan = channel
- elif ctype == telepathy.CHANNEL_TYPE_TEXT:
- _logger.debug('Found our Text channel at %s'%channel_path)
- text_chan = channel
-
- if room is None:
- _logger.debug("Presence service didn't create a room")
- return
- if text_chan is None:
- _logger.debug("Presence service didn't create a text channel")
- return
-
- # Make sure we have a Tubes channel - PS doesn't yet provide one
- if tubes_chan is None:
- _logger.debug("Didn't find our Tubes channel, requesting one...")
- tubes_chan = self.conn.request_channel(telepathy.CHANNEL_TYPE_TUBES,
- telepathy.HANDLE_TYPE_ROOM, room, True)
-
- self.tubes_chan = tubes_chan
- self.text_chan = text_chan
-
- tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal('NewTube',
- self._new_tube_cb)
-
- def _list_tubes_reply_cb(self, tubes):
- for tube_info in tubes:
- self._new_tube_cb(*tube_info)
-
- def _list_tubes_error_cb(self, e):
- _logger.debug('ListTubes() failed: %s'%e)
-
- def _joined_cb(self, activity):
- if not self._shared_activity:
- return
-
- _logger.debug('Joined an existing shared activity')
-
- self.initiating = False
- self._setup()
-
- _logger.debug('This is not my activity: waiting for a tube...')
- self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
- reply_handler=self._list_tubes_reply_cb,
- error_handler=self._list_tubes_error_cb)
-
- def _new_tube_cb(self, id, initiator, type, service, params, state):
- _logger.debug('New tube: ID=%d initator=%d type=%d service=%s '
- 'params=%r state=%d' %(id, initiator, type, service,
- params, state))
-
- if (type == telepathy.TUBE_TYPE_DBUS and
- service == SERVICE):
- if state == telepathy.TUBE_STATE_LOCAL_PENDING:
- self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)
-
- self.tube_conn = TubeConnection(self.conn,
- self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES],
- id, group_iface=self.text_chan[telepathy.CHANNEL_INTERFACE_GROUP])
-
- _logger.debug('Tube created')
- self.messenger = Messenger(self.tube_conn, self.initiating, self.model)
-
-
- def _load_homepage(self):
- if os.path.isfile(_LIBRARY_PATH):
- self._browser.load_uri('file://' + _LIBRARY_PATH)
- else:
- self._browser.load_uri('about:blank')
-
- def _session_history_changed_cb(self, session_history, link):
- _logger.debug('NewPage: %s.' %link)
- self.current = link
-
- def _title_changed_cb(self, embed, pspec):
- if embed.props.title is not '':
- _logger.debug('Title changed=%s' % embed.props.title)
- self.webtitle = embed.props.title
-
- def _get_data_from_file_path(self, file_path):
- fd = open(file_path, 'r')
- try:
- data = fd.read()
- finally:
- fd.close()
- return data
-
- def read_file(self, file_path):
- if self.metadata['mime_type'] == 'text/plain':
- data = self._get_data_from_file_path(file_path)
- self.model.deserialize(data)
-
- for link in self.model.data['shared_links']:
- _logger.debug('read: url=%s title=%s d=%s' % (link['url'],
- link['title'],
- link['color']))
- self._add_link_totray(link['url'],
- base64.b64decode(link['thumb']),
- link['color'], link['title'],
- link['owner'], -1, link['hash'])
- self._browser.set_session(self.model.data['history'])
- elif self.metadata['mime_type'] == 'text/uri-list':
- data = self._get_data_from_file_path(file_path)
- uris = mime.split_uri_list(data)
- if len(uris) == 1:
- self._browser.load_uri(uris[0])
- else:
- _logger.error('Open uri-list: Does not support'
- 'list of multiple uris by now.')
- else:
- self._browser.load_uri(file_path)
-
- def write_file(self, file_path):
- if not self.metadata['mime_type']:
- self.metadata['mime_type'] = 'text/plain'
-
- if self.metadata['mime_type'] == 'text/plain':
- if not self._jobject.metadata['title_set_by_user'] == '1':
- if self._browser.props.title:
- self.metadata['title'] = self._browser.props.title
-
- self.model.data['history'] = self._browser.get_session()
-
- f = open(file_path, 'w')
- try:
- f.write(self.model.serialize())
- finally:
- f.close()
-
- def _link_add_button_cb(self, button):
- _logger.debug('button: Add link: %s.' % self.current)
- self._add_link()
-
- def _key_press_cb(self, widget, event):
- if event.state & gtk.gdk.CONTROL_MASK:
- if gtk.gdk.keyval_name(event.keyval) == "l":
- _logger.debug('keyboard: Add link: %s.' % self.current)
- self._add_link()
- return True
- elif gtk.gdk.keyval_name(event.keyval) == "u":
- _logger.debug('keyboard: Show source of the current page')
- self._show_source()
- return True
- elif gtk.gdk.keyval_name(event.keyval) == "minus":
- _logger.debug('keyboard: Zoom out')
- self._browser.zoom_out()
- return True
- elif gtk.gdk.keyval_name(event.keyval) == "plus" \
- or gtk.gdk.keyval_name(event.keyval) == "equal" :
- _logger.debug('keyboard: Zoom in')
- self._browser.zoom_in()
- return True
- elif gtk.gdk.keyval_name(event.keyval) == "XF86Start":
- _logger.debug('keyboard: Show source of the current page SHOW_KEY')
- self._show_source()
- return True
- return False
-
- def _add_link(self):
- ''' take screenshot and add link info to the model '''
- for link in self.model.data['shared_links']:
- if link['hash'] == sha.new(self.current).hexdigest():
- _logger.debug('_add_link: link exist already a=%s b=%s' %(
- link['hash'], sha.new(self.current).hexdigest()))
- return
- buffer = self._get_screenshot()
- timestamp = time.time()
- self.model.add_link(self.current, self.webtitle, buffer,
- profile.get_nick_name(),
- profile.get_color().to_string(), timestamp)
-
- if self.messenger is not None:
- self.messenger._add_link(self.current, self.webtitle,
- profile.get_color().to_string(),
- profile.get_nick_name(),
- base64.b64encode(buffer), timestamp)
-
- def _add_link_model_cb(self, model, index):
- ''' receive index of new link from the model '''
- link = self.model.data['shared_links'][index]
- self._add_link_totray(link['url'], base64.b64decode(link['thumb']),
- link['color'], link['title'],
- link['owner'], index, link['hash'])
-
- def _add_link_totray(self, url, buffer, color, title, owner, index, hash):
- ''' add a link to the tray '''
- item = LinkButton(url, buffer, color, title, owner, index, hash)
- item.connect('clicked', self._link_clicked_cb, url)
- item.connect('remove_link', self._link_removed_cb)
- self._tray.add_item(item, index) # use index to add to the tray
- item.show()
- if self._tray.props.visible is False:
- self._tray.show()
- self.viewtoolbar.traybutton.props.sensitive = True
-
- def _link_removed_cb(self, button, hash):
- ''' remove a link from tray and delete it in the model '''
- self.model.remove_link(hash)
- self._tray.remove_item(button)
- if len(self._tray.get_children()) == 0:
- self.viewtoolbar.traybutton.props.sensitive = False
-
- def _link_clicked_cb(self, button, url):
- ''' an item of the link tray has been clicked '''
- self._browser.load_uri(url)
-
- def _show_source(self):
- self._browser.get_source()
-
- def _pixbuf_save_cb(self, buf, data):
- data[0] += buf
- return True
-
- def get_buffer(self, pixbuf):
- data = [""]
- pixbuf.save_to_callback(self._pixbuf_save_cb, "png", {}, data)
- return str(data[0])
-
- def _get_screenshot(self):
- window = self._browser.window
- width, height = window.get_size()
-
- screenshot = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, has_alpha=False,
- bits_per_sample=8, width=width,
- height=height)
- screenshot.get_from_drawable(window, window.get_colormap(), 0, 0, 0, 0,
- width, height)
-
- screenshot = screenshot.scale_simple(style.zoom(100),
- style.zoom(80),
- gtk.gdk.INTERP_BILINEAR)
-
- buffer = self.get_buffer(screenshot)
- return buffer
-
- def can_close(self):
- if downloadmanager.can_quit():
- return True
- else:
- alert = Alert()
- alert.props.title = _('Download in progress')
- alert.props.msg = _('Stopping now will cancel your download')
- cancel_icon = Icon(icon_name='dialog-cancel')
- alert.add_button(gtk.RESPONSE_CANCEL, _('Cancel'), cancel_icon)
- stop_icon = Icon(icon_name='dialog-ok')
- alert.add_button(gtk.RESPONSE_OK, _('Stop'), stop_icon)
- stop_icon.show()
- self.add_alert(alert)
- alert.connect('response', self.__inprogress_response_cb)
- alert.show()
- self.present()
-
- def __inprogress_response_cb(self, alert, response_id):
- self.remove_alert(alert)
- if response_id is gtk.RESPONSE_CANCEL:
- logging.debug('Keep on')
- elif response_id == gtk.RESPONSE_OK:
- logging.debug('Stop downloads and quit')
- downloadmanager.remove_all_downloads()
- self.close(force=True)
-