src/features_window.py

   1 # -*- coding:utf-8 -*-
   2 ## src/features_window.py
   3 ##
   4 ## Copyright (C) 2007 Jean-Marie Traissard <jim AT lapin.org>
   5 ##                    Julien Pivotto <roidelapluie AT gmail.com>
   6 ##                    Stefan Bethge <stefan AT lanpartei.de>
   7 ##                    Stephan Erb <steve-e AT h3c.de>
   8 ## Copyright (C) 2007-2010 Yann Leboulanger <asterix AT lagaule.org>
   9 ## Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
  10 ##
  11 ## This file is part of Gajim.
  12 ##
  13 ## Gajim is free software; you can redistribute it and/or modify
  14 ## it under the terms of the GNU General Public License as published
  15 ## by the Free Software Foundation; version 3 only.
  16 ##
  17 ## Gajim is distributed in the hope that it will be useful,
  18 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  20 ## GNU General Public License for more details.
  21 ##
  22 ## You should have received a copy of the GNU General Public License
  23 ## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
  24 ##
  25
  26 import os
  27 import sys
  28 import gtk
  29 import gtkgui_helpers
  30
  31 from common import gajim
  32 from common import helpers
  33 from common import kwalletbinding
  34 from common.i18n import Q_
  35
  36 class FeaturesWindow:
  37     """
  38     Class for features window
  39     """
  40
  41     def __init__(self):
  42         self.xml = gtkgui_helpers.get_gtk_builder('features_window.ui')
  43         self.window = self.xml.get_object('features_window')
  44         self.window.set_transient_for(gajim.interface.roster.window)
  45         treeview = self.xml.get_object('features_treeview')
  46         self.desc_label = self.xml.get_object('feature_desc_label')
  47
  48         # {name: (available_function, unix_text, windows_text)}
  49         self.features = {
  50             _('SSL certificate validation'): (self.pyopenssl_available,
  51                 _('A library used to validate server certificates to ensure a secure connection.'),
  52                 _('Requires python-pyopenssl.'),
  53                 _('Requires python-pyopenssl.')),
  54             _('Bonjour / Zeroconf'): (self.zeroconf_available,
  55                 _('Serverless chatting with autodetected clients in a local network.'),
  56                 _('Requires python-avahi.'),
  57                 _('Requires pybonjour (http://o2s.csail.mit.edu/o2s-wiki/pybonjour).')),
  58             _('Command line'): (self.dbus_available,
  59                 _('A script to control Gajim via commandline.'),
  60                 _('Requires python-dbus.'),
  61                 _('Feature not available under Windows.')),
  62             _('OpenGPG message encryption'): (self.gpg_available,
  63                 _('Encrypting chat messages with gpg keys.'),
  64                 _('Requires gpg and python-gnupg (http://code.google.com/p/python-gnupg/).'),
  65                 _('Requires gpg.exe in PATH.')),
  66             _('Network-manager'): (self.network_manager_available,
  67                 _('Autodetection of network status.'),
  68                 _('Requires gnome-network-manager and python-dbus.'),
  69                 _('Feature not available under Windows.')),
  70             _('Session Management'): (self.session_management_available,
  71                 _('Gajim session is stored on logout and restored on login.'),
  72                 _('Requires python-gnome2.'),
  73                 _('Feature not available under Windows.')),
  74             _('Password encryption'): (self.some_keyring_available,
  75                 _('Passwords can be stored securely and not just in plaintext.'),
  76                 _('Requires gnome-keyring and python-gnome2-desktop, or kwalletcli.'),
  77                 _('Feature not available under Windows.')),
  78             _('SRV'): (self.srv_available,
  79                 _('Ability to connect to servers which are using SRV records.'),
  80                 _('Requires dnsutils.'),
  81                 _('Requires nslookup to use SRV records.')),
  82             _('Spell Checker'): (self.speller_available,
  83                 _('Spellchecking of composed messages.'),
  84                 _('Requires libgtkspell.'),
  85                 _('Feature not available under Windows.')),
  86             _('Notification'): (self.notification_available,
  87                 _('Passive popups notifying for new events.'),
  88                 _('Requires python-notify or instead python-dbus in conjunction with notification-daemon.'),
  89                 _('Feature not available under Windows.')),
  90             _('Automatic status'): (self.idle_available,
  91                 _('Ability to measure idle time, in order to set auto status.'),
  92                 _('Requires libxss library.'),
  93                 _('Requires python2.5.')),
  94             _('LaTeX'): (self.latex_available,
  95                 _('Transform LaTeX expressions between $$ $$.'),
  96                 _('Requires texlive-latex-base and (dvipng or ImageMagick). You have to set \'use_latex\' to True in the Advanced Configuration Editor.'),
  97                 _('Requires texlive-latex-base and (dvipng or ImageMagick) (All is in MikTeX). You have to set \'use_latex\' to True in the Advanced Configuration Editor.')),
  98             _('End to End message encryption'): (self.pycrypto_available,
  99                 _('Encrypting chat messages.'),
 100                 _('Requires python-crypto.'),
 101                 _('Requires python-crypto.')),
 102             _('RST Generator'): (self.docutils_available,
 103                 _('Generate XHTML output from RST code (see http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html).'),
 104                 _('Requires python-docutils.'),
 105                 _('Requires python-docutils.')),
 106             _('Audio / Video'): (self.farsight_available,
 107                 _('Ability to start audio and video chat.'),
 108                 _('Requires python-farsight and gstreamer-plugins-bad.'),
 109                 _('Feature not available under Windows.')),
 110         }
 111
 112         # name, supported
 113         self.model = gtk.ListStore(str, bool)
 114         treeview.set_model(self.model)
 115
 116         col = gtk.TreeViewColumn(Q_('?features:Available'))
 117         treeview.append_column(col)
 118         cell = gtk.CellRendererToggle()
 119         cell.set_property('radio', True)
 120         col.pack_start(cell)
 121         col.set_attributes(cell, active = 1)
 122
 123         col = gtk.TreeViewColumn(_('Feature'))
 124         treeview.append_column(col)
 125         cell = gtk.CellRendererText()
 126         col.pack_start(cell, expand = True)
 127         col.add_attribute(cell, 'text', 0)
 128
 129         # Fill model
 130         for feature in self.features:
 131             func = self.features[feature][0]
 132             rep = func()
 133             self.model.append([feature, rep])
 134
 135         self.model.set_sort_column_id(0, gtk.SORT_ASCENDING)
 136
 137         self.xml.connect_signals(self)
 138         self.window.show_all()
 139         self.xml.get_object('close_button').grab_focus()
 140
 141     def on_close_button_clicked(self, widget):
 142         self.window.destroy()
 143
 144     def on_features_treeview_cursor_changed(self, widget):
 145         selection = widget.get_selection()
 146         if not selection:
 147             return
 148         rows = selection.get_selected_rows()[1]
 149         if not rows:
 150             return
 151         path = rows[0]
 152         feature = self.model[path][0].decode('utf-8')
 153         text = self.features[feature][1] + '\n'
 154         if os.name == 'nt':
 155             text = text + self.features[feature][3]
 156         else:
 157             text = text + self.features[feature][2]
 158         self.desc_label.set_text(text)
 159
 160     def pyopenssl_available(self):
 161         try:
 162             import OpenSSL.SSL
 163             import OpenSSL.crypto
 164         except Exception:
 165             return False
 166         return True
 167
 168     def zeroconf_available(self):
 169         return gajim.HAVE_ZEROCONF
 170
 171     def dbus_available(self):
 172         if os.name == 'nt':
 173             return False
 174         from common import dbus_support
 175         return dbus_support.supported
 176
 177     def gpg_available(self):
 178         return gajim.HAVE_GPG
 179
 180     def network_manager_available(self):
 181         if os.name == 'nt':
 182             return False
 183         import network_manager_listener
 184         return network_manager_listener.supported
 185
 186     def session_management_available(self):
 187         if os.name == 'nt':
 188             return False
 189         try:
 190             __import__('gnome.ui')
 191         except Exception:
 192             return False
 193         return True
 194
 195     def some_keyring_available(self):
 196         if os.name == 'nt':
 197             return False
 198         if kwalletbinding.kwallet_available():
 199             return True
 200         try:
 201             __import__('gnomekeyring')
 202         except Exception:
 203             return False
 204         return True
 205
 206     def srv_available(self):
 207         if os.name == 'nt':
 208             return True
 209         return helpers.is_in_path('nslookup')
 210
 211     def speller_available(self):
 212         if os.name == 'nt':
 213             return False
 214         try:
 215             __import__('gtkspell')
 216         except ImportError:
 217             return False
 218         return True
 219
 220     def notification_available(self):
 221         if os.name == 'nt':
 222             return False
 223         from common import dbus_support
 224         if self.dbus_available() and dbus_support.get_notifications_interface():
 225             return True
 226         try:
 227             __import__('pynotify')
 228         except Exception:
 229             return False
 230         return True
 231
 232     def idle_available(self):
 233         from common import sleepy
 234         return sleepy.SUPPORTED
 235
 236     def latex_available(self):
 237         from common import latex
 238         return latex.check_for_latex_support()
 239
 240     def pycrypto_available(self):
 241         return gajim.HAVE_PYCRYPTO
 242
 243     def docutils_available(self):
 244         try:
 245             __import__('docutils')
 246         except Exception:
 247             return False
 248         return True
 249
 250     def farsight_available(self):
 251         return gajim.HAVE_FARSIGHT