File: gui_interface.py

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# Copyright (C) 2003-2014 Yann Leboulanger <asterix AT lagaule.org>
# Copyright (C) 2004-2005 Vincent Hanquez <tab AT snarc.org>
# Copyright (C) 2005 Alex Podaras <bigpod AT gmail.com>
#                    Norman Rasmussen <norman AT rasmussen.co.za>
#                    Stéphan Kochen <stephan AT kochen.nl>
# Copyright (C) 2005-2006 Dimitur Kirov <dkirov AT gmail.com>
#                         Alex Mauer <hawke AT hawkesnest.net>
# Copyright (C) 2005-2007 Travis Shirk <travis AT pobox.com>
#                         Nikos Kouremenos <kourem AT gmail.com>
# Copyright (C) 2006 Junglecow J <junglecow AT gmail.com>
#                    Stefan Bethge <stefan AT lanpartei.de>
# Copyright (C) 2006-2008 Jean-Marie Traissard <jim AT lapin.org>
# Copyright (C) 2007 Lukas Petrovicky <lukas AT petrovicky.net>
#                    James Newton <redshodan AT gmail.com>
# Copyright (C) 2007-2008 Brendan Taylor <whateley AT gmail.com>
#                         Julien Pivotto <roidelapluie AT gmail.com>
#                         Stephan Erb <steve-e AT h3c.de>
# Copyright (C) 2008 Jonathan Schleifer <js-gajim AT webkeks.org>
#
# This file is part of Gajim.
#
# Gajim 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; version 3 only.
#
# Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.

import os
import sys
import re
import time
import hashlib
import logging
from functools import partial
from threading import Thread

from gi.repository import Gtk
from gi.repository import GdkPixbuf
from gi.repository import GLib
from gi.repository import Gio
from gi.repository import Gdk
from nbxmpp import idlequeue
from nbxmpp import Hashes2
import OpenSSL

try:
    from PIL import Image
except Exception:
    pass

from gajim.common import app
from gajim.common import events
from gajim.common.dbus import screensaver
from gajim.common.dbus import location
from gajim.common.dbus import music_track
from gajim.common.dbus import logind

from gajim import gtkgui_helpers
from gajim import gui_menu_builder
from gajim import dialogs
from gajim import notify
from gajim import message_control
from gajim.dialog_messages import get_dialog
from gajim.dialogs import ProgressWindow

from gajim.chat_control_base import ChatControlBase
from gajim.chat_control import ChatControl
from gajim.groupchat_control import GroupchatControl
from gajim.groupchat_control import PrivateChatControl
from gajim.message_window import MessageWindowMgr
from gajim.filetransfers_window import FileTransfersWindow

from gajim.atom_window import AtomWindow
from gajim.session import ChatControlSession

from gajim.common import idle
from gajim.common.zeroconf import connection_zeroconf
from gajim.common import resolver
from gajim.common import caps_cache
from gajim.common import proxy65_manager
from gajim.common import socks5
from gajim.common import helpers
from gajim.common import passwords
from gajim.common import logging_helpers
from gajim.common.i18n import _
from gajim.common.connection_handlers_events import (
    OurShowEvent, FileRequestErrorEvent, FileTransferCompletedEvent,
    UpdateRosterAvatarEvent, UpdateGCAvatarEvent, UpdateRoomAvatarEvent)

from gajim.common.modules.httpupload import HTTPUploadProgressEvent
from gajim.common.connection import Connection
from gajim.common.file_props import FilesProp
from gajim.common.const import AvatarSize, SSLError, PEPEventType
from gajim.common.const import ACTIVITIES, MOODS

from gajim import roster_window
from gajim import config
from gajim.common import ged
from gajim.common.caps_cache import muc_caps_cache
from gajim.common import configpaths
from gajim.common import optparser

from gajim.gtk.dialogs import ErrorDialog
from gajim.gtk.dialogs import WarningDialog
from gajim.gtk.dialogs import InformationDialog
from gajim.gtk.dialogs import InputDialog
from gajim.gtk.dialogs import YesNoDialog
from gajim.gtk.dialogs import InputTextDialog
from gajim.gtk.dialogs import PlainConnectionDialog
from gajim.gtk.dialogs import SSLErrorDialog
from gajim.gtk.dialogs import ConfirmationDialogDoubleCheck
from gajim.gtk.dialogs import ChangeNickDialog
from gajim.gtk.profile import ProfileWindow
from gajim.gtk.join_groupchat import JoinGroupchatWindow
from gajim.gtk.filechoosers import FileChooserDialog
from gajim.gtk.emoji_data import emoji_data
from gajim.gtk.emoji_data import emoji_ascii_data


parser = optparser.OptionsParser(configpaths.get('CONFIG_FILE'))
log = logging.getLogger('gajim.interface')

class Interface:

################################################################################
### Methods handling events from connection
################################################################################

    def handle_event_db_error(self, unused, error):
        #('DB_ERROR', account, error)
        if self.db_error_dialog:
            return
        self.db_error_dialog = ErrorDialog(_('Database Error'), error)
        def destroyed(win):
            self.db_error_dialog = None
        self.db_error_dialog.connect('destroy', destroyed)

    @staticmethod
    def handle_event_information(obj):
        if not obj.popup:
            return

        if obj.dialog_name is not None:
            get_dialog(obj.dialog_name, *obj.args, **obj.kwargs)
            return

        if obj.level == 'error':
            cls = ErrorDialog
        elif obj.level == 'warn':
            cls = WarningDialog
        elif obj.level == 'info':
            cls = InformationDialog
        else:
            return

        cls(obj.pri_txt, GLib.markup_escape_text(obj.sec_txt))

    @staticmethod
    def raise_dialog(name, *args, **kwargs):
        get_dialog(name, *args, **kwargs)

    def handle_ask_new_nick(self, account, room_jid, parent_win):
        title = _('Unable to join group chat')
        prompt = _('Your desired nickname in group chat\n'
                   '<b>%s</b>\n'
                   'is in use or registered by another occupant.\n'
                   'Please specify another nickname below:') % room_jid
        if 'change_nick_dialog' in self.instances:
            self.instances['change_nick_dialog'].add_room(
                account, room_jid, prompt)
        else:
            self.instances['change_nick_dialog'] = ChangeNickDialog(
                account, room_jid, title, prompt, transient_for=parent_win)

    @staticmethod
    def handle_event_http_auth(obj):
        #('HTTP_AUTH', account, (method, url, transaction_id, iq_obj, msg))
        def response(account, answer):
            obj.conn.get_module('HTTPAuth').build_http_auth_answer(
                obj.stanza, answer)

        def on_yes(is_checked, obj):
            response(obj, 'yes')

        account = obj.conn.name
        sec_msg = _('Do you accept this request?')
        if app.get_number_of_connected_accounts() > 1:
            sec_msg = _('Do you accept this request on account %s?') % account
        if obj.msg:
            sec_msg = obj.msg + '\n' + sec_msg
        YesNoDialog(_('HTTP (%(method)s) Authorization for '
            '%(url)s (ID: %(id)s)') % {'method': obj.method, 'url': obj.url,
            'id': obj.iq_id}, sec_msg, on_response_yes=(on_yes, obj),
            on_response_no=(response, obj, 'no'))

    def handle_event_iq_error(self, obj):
        #('ERROR_ANSWER', account, (id_, fjid, errmsg, errcode))
        if str(obj.errcode) in ('400', '403', '406') and obj.id_:
            # show the error dialog
            sid = obj.id_
            if len(obj.id_) > 3 and obj.id_[2] == '_':
                sid = obj.id_[3:]
            file_props = FilesProp.getFileProp(obj.conn.name, sid)
            if file_props:
                if str(obj.errcode) == '400':
                    file_props.error = -3
                else:
                    file_props.error = -4
                app.nec.push_incoming_event(FileRequestErrorEvent(None,
                    conn=obj.conn, jid=obj.jid, file_props=file_props,
                    error_msg=obj.errmsg))
                obj.conn.disconnect_transfer(file_props)
                return
        elif str(obj.errcode) == '404':
            sid = obj.id_
            if len(obj.id_) > 3 and obj.id_[2] == '_':
                sid = obj.id_[3:]
            file_props = FilesProp.getFileProp(obj.conn.name, sid)
            if file_props:
                self.handle_event_file_send_error(obj.conn.name, (obj.fjid,
                    file_props))
                obj.conn.disconnect_transfer(file_props)
                return

        ctrl = self.msg_win_mgr.get_control(obj.fjid, obj.conn.name)
        if ctrl and ctrl.type_id == message_control.TYPE_GC:
            ctrl.print_conversation('Error %s: %s' % (obj.errcode, obj.errmsg))

    @staticmethod
    def handle_event_connection_lost(obj):
        # ('CONNECTION_LOST', account, [title, text])
        account = obj.conn.name
        app.notification.popup(
            _('Connection Failed'), account, account,
            'connection-lost', 'gajim-connection_lost', obj.title, obj.msg)

    @staticmethod
    def unblock_signed_in_notifications(account):
        app.block_signed_in_notifications[account] = False

    def handle_event_status(self, obj): # OUR status
        #('STATUS', account, show)
        account = obj.conn.name
        if obj.show in ('offline', 'error'):
            for name in list(self.instances[account]['online_dialog'].keys()):
                # .keys() is needed to not have a dictionary length changed
                # during iteration error
                self.instances[account]['online_dialog'][name].destroy()
                if name in self.instances[account]['online_dialog']:
                    # destroy handler may have already removed it
                    del self.instances[account]['online_dialog'][name]
            for request in self.gpg_passphrase.values():
                if request:
                    request.interrupt(account=account)
            if account in self.pass_dialog:
                self.pass_dialog[account].window.destroy()
        if obj.show == 'offline':
            app.block_signed_in_notifications[account] = True
        else:
            # 30 seconds after we change our status to sth else than offline
            # we stop blocking notifications of any kind
            # this prevents from getting the roster items as 'just signed in'
            # contacts. 30 seconds should be enough time
            GLib.timeout_add_seconds(30, self.unblock_signed_in_notifications,
                account)

        if account in self.show_vcard_when_connect and obj.show not in (
        'offline', 'error'):
            self.edit_own_details(account)
            self.show_vcard_when_connect.remove(account)

    def edit_own_details(self, account):
        window = app.get_app_window(ProfileWindow)
        if window is None:
            ProfileWindow(account)
        else:
            window.present()

    @staticmethod
    def handle_gc_error(gc_control, pritext, sectext):
        if gc_control and gc_control.autorejoin is not None:
            if gc_control.error_dialog:
                gc_control.error_dialog.destroy()
            def on_close(dummy):
                gc_control.error_dialog.destroy()
                gc_control.error_dialog = None
            gc_control.error_dialog = ErrorDialog(pritext, sectext,
                on_response_ok=on_close, on_response_cancel=on_close)
            gc_control.error_dialog.set_modal(False)
            if gc_control.parent_win:
                gc_control.error_dialog.set_transient_for(
                    gc_control.parent_win.window)
        else:
            d = ErrorDialog(pritext, sectext)
            if gc_control and gc_control.parent_win:
                d.set_transient_for(gc_control.parent_win.window)
            d.set_modal(False)

    def handle_gc_password_required(self, account, room_jid, nick):
        def on_ok(text):
            app.connections[account].join_gc(nick, room_jid, text)
            app.gc_passwords[room_jid] = text
            gc_control.error_dialog = None

        def on_cancel():
            # get and destroy window
            if room_jid in app.interface.minimized_controls[account]:
                self.roster.on_disconnect(None, room_jid, account)
            else:
                win = self.msg_win_mgr.get_window(room_jid, account)
                ctrl = self.msg_win_mgr.get_gc_control(room_jid, account)
                win.remove_tab(ctrl, 3)
            gc_control.error_dialog = None

        gc_control = self.msg_win_mgr.get_gc_control(room_jid, account)
        if gc_control:
            if gc_control.error_dialog:
                gc_control.error_dialog.destroy()

            gc_control.error_dialog = InputDialog(_('Password Required'),
                _('A Password is required to join the room %s. Please type it.') % \
                room_jid, is_modal=False, ok_handler=on_ok,
                cancel_handler=on_cancel)
            gc_control.error_dialog.input_entry.set_visibility(False)

    def handle_event_gc_presence(self, obj):
        gc_control = obj.gc_control
        parent_win = None
        if gc_control and gc_control.parent_win:
            parent_win = gc_control.parent_win.window
        if obj.ptype == 'error':
            if obj.errcode == '503':
                # maximum user number reached
                self.handle_gc_error(gc_control,
                    _('Unable to join group chat'),
                    _('<b>%s</b> is full')\
                    % obj.room_jid)
            elif (obj.errcode == '401') or (obj.errcon == 'not-authorized'):
                # password required to join
                self.handle_gc_password_required(obj.conn.name, obj.room_jid,
                    obj.nick)
            elif (obj.errcode == '403') or (obj.errcon == 'forbidden'):
                # we are banned
                self.handle_gc_error(gc_control, _('Unable to join group chat'),
                    _('You are banned from group chat <b>%s</b>.') % \
                    obj.room_jid)
            elif (obj.errcode == '404') or (obj.errcon in ('item-not-found',
            'remote-server-not-found')):
                # remote server does not exist
                if obj.errcon == 'remote-server-not-found':
                    self.handle_gc_error(gc_control, _('Unable to join group chat'),
                    _('Remote server <b>%s</b> does not exist.') % obj.room_jid)
                # group chat does not exist
                else:
                    self.handle_gc_error(gc_control, _('Unable to join group chat'),
                    _('Group chat <b>%s</b> does not exist.') % obj.room_jid)
            elif (obj.errcode == '405') or (obj.errcon == 'not-allowed'):
                self.handle_gc_error(gc_control, _('Unable to join group chat'),
                    _('Group chat creation is not permitted.'))
            elif (obj.errcode == '406') or (obj.errcon == 'not-acceptable'):
                self.handle_gc_error(gc_control, _('Unable to join groupchat'),
                    _('You must use your registered nickname in <b>%s</b>.')\
                    % obj.room_jid)
            elif (obj.errcode == '407') or (obj.errcon == \
            'registration-required'):
                self.handle_gc_error(gc_control, _('Unable to join group chat'),
                    _('You are not in the members list in groupchat %s.') % \
                    obj.room_jid)
            elif (obj.errcode == '409') or (obj.errcon == 'conflict'):
                self.handle_ask_new_nick(obj.conn.name, obj.room_jid, parent_win)
            elif gc_control:
                gc_control.print_conversation('Error %s: %s' % (obj.errcode,
                    obj.errmsg))
            if gc_control and gc_control.autorejoin:
                gc_control.autorejoin = False

    def handle_event_presence(self, obj):
        # 'NOTIFY' (account, (jid, status, status message, resource,
        # priority, # keyID, timestamp, contact_nickname))
        #
        # Contact changed show
        account = obj.conn.name
        jid = obj.jid

        # unset custom status
        if (obj.old_show == 0 and obj.new_show > 1) or \
        (obj.old_show > 1 and obj.new_show == 0 and obj.conn.connected > 1):
            if account in self.status_sent_to_users and \
            jid in self.status_sent_to_users[account]:
                del self.status_sent_to_users[account][jid]

        if app.jid_is_transport(jid):
            # It must be an agent

            # transport just signed in/out, don't show
            # popup notifications for 30s
            account_jid = account + '/' + jid
            app.block_signed_in_notifications[account_jid] = True
            GLib.timeout_add_seconds(30, self.unblock_signed_in_notifications,
                account_jid)

        ctrl = self.msg_win_mgr.get_control(jid, account)
        if ctrl and ctrl.session and len(obj.contact_list) > 1:
            ctrl.remove_session(ctrl.session)

    def handle_event_msgerror(self, obj):
        #'MSGERROR' (account, (jid, error_code, error_msg, msg, time[session]))
        account = obj.conn.name
        jids = obj.fjid.split('/', 1)
        jid = jids[0]

        session = obj.session

        gc_control = self.msg_win_mgr.get_gc_control(jid, account)
        if not gc_control and \
        jid in self.minimized_controls[account]:
            gc_control = self.minimized_controls[account][jid]
        if gc_control and gc_control.type_id != message_control.TYPE_GC:
            gc_control = None
        if gc_control:
            if len(jids) > 1: # it's a pm
                nick = jids[1]

                if session:
                    ctrl = session.control
                else:
                    ctrl = self.msg_win_mgr.get_control(obj.fjid, account)

                if not ctrl:
                    tv = gc_control.list_treeview
                    model = tv.get_model()
                    iter_ = gc_control.get_contact_iter(nick)
                    if iter_:
                        show = model[iter_][3]
                    else:
                        show = 'offline'
                    gc_c = app.contacts.create_gc_contact(room_jid=jid,
                        account=account, name=nick, show=show)
                    ctrl = self.new_private_chat(gc_c, account, session)

                ctrl.print_conversation(_('Error %(code)s: %(msg)s') % {
                    'code': obj.error_code, 'msg': obj.error_msg}, 'status')
                return

            gc_control.print_conversation(_('Error %(code)s: %(msg)s') % {
                'code': obj.error_code, 'msg': obj.error_msg}, 'status')
            if gc_control.parent_win and \
            gc_control.parent_win.get_active_jid() == jid:
                gc_control.set_subject(gc_control.subject)
            return

        if app.jid_is_transport(jid):
            jid = jid.replace('@', '')
        msg = obj.error_msg
        if obj.msg:
            msg = _('error while sending %(message)s ( %(error)s )') % {
                    'message': obj.msg, 'error': msg}
        if session:
            session.roster_message(jid, msg, obj.time_, msg_type='error')

    @staticmethod
    def handle_event_msgsent(obj):
        #('MSGSENT', account, (jid, msg, keyID))
        # do not play sound when standalone chatstate message (eg no msg)
        if obj.message and app.config.get_per('soundevents', 'message_sent',
        'enabled'):
            helpers.play_sound('message_sent')

    @staticmethod
    def handle_event_msgnotsent(obj):
        #('MSGNOTSENT', account, (jid, ierror_msg, msg, time, session))
        msg = _('error while sending %(message)s ( %(error)s )') % {
                'message': obj.message, 'error': obj.error}
        if not obj.session:
            # No session. This can happen when sending a message from
            # gajim-remote
            log.warning(msg)
            return
        obj.session.roster_message(obj.jid, msg, obj.time_, obj.conn.name,
            msg_type='error')

    def handle_event_subscribe_presence(self, obj):
        #('SUBSCRIBE', account, (jid, text, user_nick)) user_nick is JEP-0172
        account = obj.conn.name
        if helpers.allow_popup_window(account) or not self.systray_enabled:
            if obj.jid in self.instances[account]['sub_request']:
                self.instances[account]['sub_request'][obj.jid].destroy()
            self.instances[account]['sub_request'][obj.jid] = \
                dialogs.SubscriptionRequestWindow(obj.jid, obj.status, account,
                obj.user_nick)
            return

        event = events.SubscriptionRequestEvent(obj.status, obj.user_nick)
        self.add_event(account, obj.jid, event)

        if helpers.allow_showing_notification(account):
            event_type = _('Subscription request')
            app.notification.popup(
                event_type, obj.jid, account, 'subscription_request',
                'gajim-subscription_request', event_type, obj.jid)

    def handle_event_subscribed_presence(self, obj):
        #('SUBSCRIBED', account, (jid, resource))
        account = obj.conn.name
        if obj.jid in app.contacts.get_jid_list(account):
            c = app.contacts.get_first_contact_from_jid(account, obj.jid)
            c.resource = obj.resource
            self.roster.remove_contact_from_groups(c.jid, account,
                [_('Not in Roster'), _('Observers')], update=False)
        else:
            keyID = ''
            attached_keys = app.config.get_per('accounts', account,
                'attached_gpg_keys').split()
            if obj.jid in attached_keys:
                keyID = attached_keys[attached_keys.index(obj.jid) + 1]
            name = obj.jid.split('@', 1)[0]
            name = name.split('%', 1)[0]
            contact1 = app.contacts.create_contact(jid=obj.jid,
                account=account, name=name, groups=[], show='online',
                status='online', ask='to', resource=obj.resource, keyID=keyID)
            app.contacts.add_contact(account, contact1)
            self.roster.add_contact(obj.jid, account)
        InformationDialog(_('Authorization accepted'),
            _('The contact "%s" has authorized you to see their status.')
            % obj.jid)

    def show_unsubscribed_dialog(self, account, contact):
        def on_yes(is_checked, list_):
            self.roster.on_req_usub(None, list_)
        list_ = [(contact, account)]
        YesNoDialog(
                _('Contact "%s" removed subscription from you') % contact.jid,
                _('You will always see them as offline.\nDo you want to '
                        'remove them from your contact list?'),
                on_response_yes=(on_yes, list_))
            # FIXME: Per RFC 3921, we can "deny" ack as well, but the GUI does
            # not show deny

    def handle_event_unsubscribed_presence(self, obj):
        #('UNSUBSCRIBED', account, jid)
        account = obj.conn.name
        contact = app.contacts.get_first_contact_from_jid(account, obj.jid)
        if not contact:
            return

        if helpers.allow_popup_window(account) or not self.systray_enabled:
            self.show_unsubscribed_dialog(account, contact)
            return

        event = events.UnsubscribedEvent(contact)
        self.add_event(account, obj.jid, event)

        if helpers.allow_showing_notification(account):
            event_type = _('Unsubscribed')
            app.notification.popup(
                event_type, obj.jid, account,
                'unsubscribed', 'gajim-unsubscribed',
                event_type, obj.jid)

    def handle_event_gc_config(self, obj):
        #('GC_CONFIG', account, (jid, form_node))  config is a dict
        account = obj.conn.name
        if obj.jid in app.automatic_rooms[account]:
            if 'continue_tag' in app.automatic_rooms[account][obj.jid]:
                # We're converting chat to muc. allow participants to invite
                for f in obj.dataform.iter_fields():
                    if f.var == 'muc#roomconfig_allowinvites':
                        f.value = True
                    elif f.var == 'muc#roomconfig_publicroom':
                        f.value = False
                    elif f.var == 'muc#roomconfig_membersonly':
                        f.value = True
                    elif f.var == 'public_list':
                        f.value = False
                obj.conn.get_module('MUC').set_config(obj.jid, obj.dataform.get_purged())
                user_list = {}
                for jid in app.automatic_rooms[account][obj.jid]['invities']:
                    user_list[jid] = {'affiliation': 'member'}
                obj.conn.get_module('MUC').set_affiliation(obj.jid, user_list)
            else:
                # use default configuration
                obj.conn.get_module('MUC').set_config(obj.jid, obj.form_node)
            # invite contacts
            # check if it is necessary to add <continue />
            continue_tag = False
            if 'continue_tag' in app.automatic_rooms[account][obj.jid]:
                continue_tag = True
            if 'invities' in app.automatic_rooms[account][obj.jid]:
                for jid in app.automatic_rooms[account][obj.jid]['invities']:
                    obj.conn.get_module('MUC').invite(
                        obj.jid, jid, continue_=continue_tag)
                    gc_control = self.msg_win_mgr.get_gc_control(obj.jid,
                        account)
                    if gc_control:
                        gc_control.print_conversation(
                            _('%(jid)s has been invited in this room') % {
                            'jid': jid}, graphics=False)
            del app.automatic_rooms[account][obj.jid]
        elif obj.jid not in self.instances[account]['gc_config']:
            self.instances[account]['gc_config'][obj.jid] = \
                config.GroupchatConfigWindow(account, obj.jid, obj.dataform)

    def handle_event_gc_affiliation(self, obj):
        #('GC_AFFILIATION', account, (room_jid, users_dict))
        account = obj.conn.name
        if obj.room_jid in self.instances[account]['gc_config']:
            self.instances[account]['gc_config'][obj.room_jid].\
                affiliation_list_received(obj.users_dict)

    def handle_event_gc_decline(self, obj):
        gc_control = self.msg_win_mgr.get_gc_control(obj.room_jid, obj.account)
        if gc_control:
            if obj.reason:
                gc_control.print_conversation(
                    _('%(jid)s declined the invitation: %(reason)s') % {
                        'jid': obj.from_, 'reason': obj.reason},
                    graphics=False)
            else:
                gc_control.print_conversation(
                    _('%(jid)s declined the invitation') % {
                        'jid': obj.from_}, graphics=False)

    def handle_event_gc_invitation(self, obj):
        if helpers.allow_popup_window(obj.account) or not self.systray_enabled:
            dialogs.InvitationReceivedDialog(
                obj.account, obj.room_jid,
                str(obj.from_), obj.password, obj.reason,
                is_continued=obj.is_continued)
            return

        event = events.GcInvitationtEvent(
            obj.room_jid, obj.reason,
            obj.password, obj.is_continued, str(obj.from_))
        self.add_event(obj.account, str(obj.from_), event)

        if helpers.allow_showing_notification(obj.account):
            event_type = _('Groupchat Invitation')
            text = _('You are invited to {room} by {user}').format(
                room=obj.room_jid, user=str(obj.from_))
            app.notification.popup(
                event_type, str(obj.from_), obj.account, 'gc-invitation',
                'gajim-gc_invitation', event_type, text, room_jid=obj.room_jid)

    def forget_gpg_passphrase(self, keyid):
        if keyid in self.gpg_passphrase:
            del self.gpg_passphrase[keyid]
        return False

    def handle_event_bad_gpg_passphrase(self, obj):
        #('BAD_PASSPHRASE', account, ())
        if obj.use_gpg_agent:
            sectext = _('You configured Gajim to use OpenPGP agent, but there '
                'is no OpenPGP agent running or it returned a wrong passphrase.'
                '\n')
            sectext += _('You are currently connected without your OpenPGP '
                'key.')
            WarningDialog(_('Wrong passphrase'), sectext)
        else:
            account = obj.conn.name
            app.notification.popup(
                'warning', account, account, '', 'dialog-warning',
                _('Wrong OpenPGP passphrase'),
                _('You are currently connected without your OpenPGP key.'))
        self.forget_gpg_passphrase(obj.keyID)

    @staticmethod
    def handle_event_client_cert_passphrase(obj):
        def on_ok(passphrase, checked):
            obj.conn.on_client_cert_passphrase(passphrase, obj.con, obj.port,
                obj.secure_tuple)

        def on_cancel():
            obj.conn.on_client_cert_passphrase('', obj.con, obj.port,
                obj.secure_tuple)

        dialogs.PassphraseDialog(_('Certificate Passphrase Required'),
            _('Enter the certificate passphrase for account %s') % \
            obj.conn.name, ok_handler=on_ok, cancel_handler=on_cancel)

    def handle_event_gpg_password_required(self, obj):
        #('GPG_PASSWORD_REQUIRED', account, (callback,))
        if obj.keyid in self.gpg_passphrase:
            request = self.gpg_passphrase[obj.keyid]
        else:
            request = PassphraseRequest(obj.keyid)
            self.gpg_passphrase[obj.keyid] = request
        request.add_callback(obj.conn.name, obj.callback)

    @staticmethod
    def handle_event_gpg_trust_key(obj):
        #('GPG_ALWAYS_TRUST', account, callback)
        def on_yes(checked):
            if checked:
                obj.conn.gpg.always_trust.append(obj.keyID)
            obj.callback(True)

        def on_no():
            obj.callback(False)

        YesNoDialog(_('Untrusted OpenPGP key'), _('The OpenPGP key '
            'used to encrypt this chat is not trusted. Do you really want to '
            'encrypt this message?'), checktext=_('_Do not ask me again'),
            on_response_yes=on_yes, on_response_no=on_no)

    def handle_event_password_required(self, obj):
        #('PASSWORD_REQUIRED', account, None)
        account = obj.conn.name
        if account in self.pass_dialog:
            return
        text = _('Enter your password for account %s') % account

        def on_ok(passphrase, save):
            if save:
                app.config.set_per('accounts', account, 'savepass', True)
                passwords.save_password(account, passphrase)
            obj.conn.set_password(passphrase)
            del self.pass_dialog[account]

        def on_cancel():
            self.roster.set_state(account, 'offline')
            self.roster.update_status_combobox()
            del self.pass_dialog[account]

        self.pass_dialog[account] = dialogs.PassphraseDialog(
            _('Password Required'), text, _('Save password'), ok_handler=on_ok,
            cancel_handler=on_cancel)

    def handle_oauth2_credentials(self, obj):
        account = obj.conn.name
        def on_ok(refresh):
            app.config.set_per('accounts', account, 'oauth2_refresh_token',
                refresh)
            st = app.config.get_per('accounts', account, 'last_status')
            msg = helpers.from_one_line(app.config.get_per('accounts',
                account, 'last_status_msg'))
            app.interface.roster.send_status(account, st, msg)
            del self.pass_dialog[account]

        def on_cancel():
            app.config.set_per('accounts', account, 'oauth2_refresh_token',
                '')
            self.roster.set_state(account, 'offline')
            self.roster.update_status_combobox()
            del self.pass_dialog[account]

        instruction = _('Please copy / paste the refresh token from the website'
            ' that has just been opened.')
        self.pass_dialog[account] = InputTextDialog(
            _('Oauth2 Credentials'), instruction, is_modal=False,
            ok_handler=on_ok, cancel_handler=on_cancel)

    def handle_event_roster_info(self, obj):
        #('ROSTER_INFO', account, (jid, name, sub, ask, groups))
        account = obj.conn.name
        contacts = app.contacts.get_contacts(account, obj.jid)
        if (not obj.sub or obj.sub == 'none') and \
        (not obj.ask or obj.ask == 'none') and not obj.nickname and \
        not obj.groups:
            # contact removed us.
            if contacts:
                self.roster.remove_contact(obj.jid, account, backend=True)
                return
        elif not contacts:
            if obj.sub == 'remove':
                return
            # Add new contact to roster
            keyID = ''
            attached_keys = app.config.get_per('accounts', account,
                'attached_gpg_keys').split()
            if obj.jid in attached_keys:
                keyID = attached_keys[attached_keys.index(obj.jid) + 1]
            contact = app.contacts.create_contact(jid=obj.jid,
                account=account, name=obj.nickname, groups=obj.groups,
                show='offline', sub=obj.sub, ask=obj.ask, keyID=keyID,
                avatar_sha=obj.avatar_sha)
            app.contacts.add_contact(account, contact)
            self.roster.add_contact(obj.jid, account)
        else:
            # If contact has changed (sub, ask or group) update roster
            # Mind about observer status changes:
            #   According to xep 0162, a contact is not an observer anymore when
            #   we asked for auth, so also remove him if ask changed
            old_groups = contacts[0].groups
            if obj.sub == 'remove':
                # another of our instance removed a contact. Remove it here too
                self.roster.remove_contact(obj.jid, account, backend=True)
                return
            update = False
            if contacts[0].sub != obj.sub or contacts[0].ask != obj.ask\
            or old_groups != obj.groups:
                # c.get_shown_groups() has changed. Reflect that in
                # roster_window
                self.roster.remove_contact(obj.jid, account, force=True)
                update = True
            for contact in contacts:
                contact.name = obj.nickname or ''
                contact.sub = obj.sub
                contact.ask = obj.ask
                contact.groups = obj.groups or []
            if update:
                self.roster.add_contact(obj.jid, account)
                # Refilter and update old groups
                for group in old_groups:
                    self.roster.draw_group(group, account)
                self.roster.draw_contact(obj.jid, account)
        if obj.jid in self.instances[account]['sub_request'] and obj.sub in (
        'from', 'both'):
            self.instances[account]['sub_request'][obj.jid].destroy()

    def handle_event_bookmarks(self, obj):
        gui_menu_builder.build_bookmark_menu(obj.account)

    def handle_event_file_send_error(self, account, array):
        jid = array[0]
        file_props = array[1]
        ft = self.instances['file_transfers']
        ft.set_status(file_props, 'stop')

        if helpers.allow_popup_window(account):
            ft.show_send_error(file_props)
            return

        event = events.FileSendErrorEvent(file_props)
        self.add_event(account, jid, event)

        if helpers.allow_showing_notification(account):
            event_type = _('File Transfer Error')
            app.notification.popup(
                event_type, jid, account,
                'file-send-error', 'gajim-ft_error',
                event_type, file_props.name)

    def handle_event_file_request_error(self, obj):
        # ('FILE_REQUEST_ERROR', account, (jid, file_props, error_msg))
        ft = self.instances['file_transfers']
        ft.set_status(obj.file_props, 'stop')
        errno = obj.file_props.error

        if helpers.allow_popup_window(obj.conn.name):
            if errno in (-4, -5):
                ft.show_stopped(obj.jid, obj.file_props, obj.error_msg)
            else:
                ft.show_request_error(obj.file_props)
            return

        if errno in (-4, -5):
            event_class = events.FileErrorEvent
            msg_type = 'file-error'
        else:
            event_class = events.FileRequestErrorEvent
            msg_type = 'file-request-error'

        event = event_class(obj.file_props)
        self.add_event(obj.conn.name, obj.jid, event)

        if helpers.allow_showing_notification(obj.conn.name):
            # check if we should be notified
            event_type = _('File Transfer Error')
            app.notification.popup(
                event_type, obj.jid, obj.conn.name,
                msg_type, 'gajim-ft_error',
                title=event_type, text=obj.file_props.name)

    def handle_event_file_request(self, obj):
        account = obj.conn.name
        if obj.jid not in app.contacts.get_jid_list(account):
            keyID = ''
            attached_keys = app.config.get_per('accounts', account,
                'attached_gpg_keys').split()
            if obj.jid in attached_keys:
                keyID = attached_keys[attached_keys.index(obj.jid) + 1]
            contact = app.contacts.create_not_in_roster_contact(jid=obj.jid,
                account=account, keyID=keyID)
            app.contacts.add_contact(account, contact)
            self.roster.add_contact(obj.jid, account)
        contact = app.contacts.get_first_contact_from_jid(account, obj.jid)
        if obj.file_props.session_type == 'jingle':
            request = obj.stanza.getTag('jingle').getTag('content')\
                        .getTag('description').getTag('request')
            if request:
                # If we get a request instead
                ft_win = self.instances['file_transfers']
                ft_win.add_transfer(account, contact, obj.file_props)
                return
        if helpers.allow_popup_window(account):
            self.instances['file_transfers'].show_file_request(account, contact,
                obj.file_props)
            return
        event = events.FileRequestEvent(obj.file_props)
        self.add_event(account, obj.jid, event)
        if helpers.allow_showing_notification(account):
            txt = _('%s wants to send you a file.') % app.get_name_from_jid(
                account, obj.jid)
            event_type = _('File Transfer Request')
            app.notification.popup(
                event_type, obj.jid, account, 'file-request',
                icon_name='gajim-ft_request', title=event_type, text=txt)

    @staticmethod
    def handle_event_file_error(title, message):
        ErrorDialog(title, message)

    def handle_event_file_progress(self, account, file_props):
        if time.time() - self.last_ftwindow_update > 0.5:
            # update ft window every 500ms
            self.last_ftwindow_update = time.time()
            self.instances['file_transfers'].set_progress(file_props.type_,
                    file_props.sid, file_props.received_len)

    def __compare_hashes(self, account, file_props):
        session = app.connections[account].get_jingle_session(jid=None,
            sid=file_props.sid)
        ft_win = self.instances['file_transfers']
        h = Hashes2()
        try:
            file_ = open(file_props.file_name, 'rb')
        except Exception:
            return
        hash_ = h.calculateHash(file_props.algo, file_)
        file_.close()
        # If the hash we received and the hash of the file are the same,
        # then the file is not corrupt
        jid = file_props.sender
        if file_props.hash_ == hash_:
            GLib.idle_add(self.popup_ft_result, account, jid, file_props)
            GLib.idle_add(ft_win.set_status, file_props, 'ok')
        else:
            # wrong hash, we need to get the file again!
            file_props.error = -10
            GLib.idle_add(self.popup_ft_result, account, jid, file_props)
            GLib.idle_add(ft_win.set_status, file_props, 'hash_error')
        # End jingle session
        if session:
            session.end_session()

    def handle_event_file_rcv_completed(self, account, file_props):
        ft = self.instances['file_transfers']
        if file_props.error == 0:
            ft.set_progress(file_props.type_, file_props.sid,
                file_props.received_len)
            app.nec.push_incoming_event(FileTransferCompletedEvent(None,
                file_props=file_props))
        else:
            ft.set_status(file_props, 'stop')
        if not file_props.completed and (file_props.stalled or \
        file_props.paused):
            return

        if file_props.type_ == 'r': # we receive a file
            app.socks5queue.remove_receiver(file_props.sid, True, True)
            if file_props.session_type == 'jingle':
                if file_props.hash_ and file_props.error == 0:
                    # We compare hashes in a new thread
                    self.hashThread = Thread(target=self.__compare_hashes,
                        args=(account, file_props))
                    self.hashThread.start()
                else:
                    # We disn't get the hash, sender probably don't support that
                    jid = file_props.sender
                    self.popup_ft_result(account, jid, file_props)
                    if file_props.error == 0:
                        ft.set_status(file_props, 'ok')
                    session = app.connections[account].get_jingle_session(jid=None,
                        sid=file_props.sid)
                    # End jingle session
                    # TODO: only if there are no other parallel downloads in this session
                    if session:
                        session.end_session()
        else: # we send a file
            jid = file_props.receiver
            app.socks5queue.remove_sender(file_props.sid, True, True)
            self.popup_ft_result(account, jid, file_props)

    def popup_ft_result(self, account, jid, file_props):
        ft = self.instances['file_transfers']
        if helpers.allow_popup_window(account):
            if file_props.error == 0:
                if app.config.get('notify_on_file_complete'):
                    ft.show_completed(jid, file_props)
            elif file_props.error == -1:
                ft.show_stopped(jid, file_props,
                        error_msg=_('Remote contact stopped transfer'))
            elif file_props.error == -6:
                ft.show_stopped(jid, file_props,
                    error_msg=_('Error opening file'))
            elif file_props.error == -10:
                ft.show_hash_error(jid, file_props, account)
            elif file_props.error == -12:
                ft.show_stopped(jid, file_props,
                    error_msg=_('SSL certificate error'))
            return

        msg_type = ''
        event_type = ''
        if file_props.error == 0 and app.config.get(
        'notify_on_file_complete'):
            event_class = events.FileCompletedEvent
            msg_type = 'file-completed'
            event_type = _('File Transfer Completed')
        elif file_props.error in (-1, -6):
            event_class = events.FileStoppedEvent
            msg_type = 'file-stopped'
            event_type = _('File Transfer Stopped')
        elif file_props.error == -10:
            event_class = events.FileHashErrorEvent
            msg_type = 'file-hash-error'
            event_type = _('File Transfer Failed')

        if event_type == '':
            # FIXME: ugly workaround (this can happen Gajim sent, Gaim recvs)
            # this should never happen but it does. see process_result() in
            # socks5.py
            # who calls this func (sth is really wrong unless this func is also
            # registered as progress_cb
            return

        if msg_type:
            event = event_class(file_props)
            self.add_event(account, jid, event)

        if file_props is not None:
            if file_props.type_ == 'r':
                # get the name of the sender, as it is in the roster
                sender = file_props.sender.split('/')[0]
                name = app.contacts.get_first_contact_from_jid(account,
                    sender).get_shown_name()
                filename = os.path.basename(file_props.file_name)
                if event_type == _('File Transfer Completed'):
                    txt = _('%(filename)s received from %(name)s.')\
                    	% {'filename': filename, 'name': name}
                    icon_name = 'gajim-ft_done'
                elif event_type == _('File Transfer Stopped'):
                    txt = _('File transfer of %(filename)s from %(name)s '
                        'stopped.') % {'filename': filename, 'name': name}
                    icon_name = 'gajim-ft_stopped'
                else: # ft hash error
                    txt = _('File transfer of %(filename)s from %(name)s '
                        'failed.') % {'filename': filename, 'name': name}
                    icon_name = 'gajim-ft_stopped'
            else:
                receiver = file_props.receiver
                if hasattr(receiver, 'jid'):
                    receiver = receiver.jid
                receiver = receiver.split('/')[0]
                # get the name of the contact, as it is in the roster
                name = app.contacts.get_first_contact_from_jid(account,
                    receiver).get_shown_name()
                filename = os.path.basename(file_props.file_name)
                if event_type == _('File Transfer Completed'):
                    txt = _('You successfully sent %(filename)s to %(name)s.')\
                        % {'filename': filename, 'name': name}
                    icon_name = 'gajim-ft_done'
                elif event_type == _('File Transfer Stopped'):
                    txt = _('File transfer of %(filename)s to %(name)s '
                        'stopped.') % {'filename': filename, 'name': name}
                    icon_name = 'gajim-ft_stopped'
                else: # ft hash error
                    txt = _('File transfer of %(filename)s to %(name)s '
                        'failed.') % {'filename': filename, 'name': name}
                    icon_name = 'gajim-ft_stopped'
        else:
            txt = ''
            icon_name = None

        if app.config.get('notify_on_file_complete') and \
        (app.config.get('autopopupaway') or \
        app.connections[account].connected in (2, 3)):
            # we want to be notified and we are online/chat or we don't mind
            # bugged when away/na/busy
            app.notification.popup(
                event_type, jid, account, msg_type,
                icon_name=icon_name, title=event_type, text=txt)

    def handle_event_signed_in(self, obj):
        """
        SIGNED_IN event is emitted when we sign in, so handle it
        """
        # ('SIGNED_IN', account, ())
        # block signed in notifications for 30 seconds

        # Add our own JID into the DB
        app.logger.insert_jid(obj.conn.get_own_jid().getStripped())
        account = obj.conn.name
        app.block_signed_in_notifications[account] = True
        connected = obj.conn.connected

        pep_supported = obj.conn.get_module('PEP').supported

        if not idle.Monitor.is_unknown() and connected in (2, 3):
            # we go online or free for chat, so we activate auto status
            app.sleeper_state[account] = 'online'
        elif not ((idle.Monitor.is_away() and connected == 4) or \
        (idle.Monitor.is_xa() and connected == 5)):
            # If we are autoaway/xa and come back after a disconnection, do
            # nothing
            # Else disable autoaway
            app.sleeper_state[account] = 'off'

        if obj.conn.get_module('MAM').available and app.config.get_per('accounts',
        account, 'sync_logs_with_server'):
            obj.conn.get_module('MAM').request_archive_on_signin()

        invisible_show = app.SHOW_LIST.index('invisible')
        # We cannot join rooms if we are invisible
        if connected == invisible_show:
            return
        # send currently played music
        if (pep_supported and sys.platform not in ('win32', 'darwin') and
                app.config.get_per('accounts', account, 'publish_tune')):
            self.enable_music_listener()
        # enable location listener
        if (pep_supported and app.is_installed('GEOCLUE') and
                app.config.get_per('accounts', account, 'publish_location')):
            location.enable()

    @staticmethod
    def show_httpupload_progress(file):
        ProgressWindow(file)

    def send_httpupload(self, chat_control):
        accept_cb = partial(self.on_file_dialog_ok, chat_control)
        FileChooserDialog(accept_cb,
                          select_multiple=True,
                          transient_for=chat_control.parent_win.window)

    @staticmethod
    def on_file_dialog_ok(chat_control, paths):
        con = app.connections[chat_control.account]
        groupchat = chat_control.type_id == message_control.TYPE_GC
        for path in paths:
            con.get_module('HTTPUpload').check_file_before_transfer(
                path,
                chat_control.encryption,
                chat_control.contact,
                chat_control.session,
                groupchat)

    def encrypt_file(self, file, account, callback):
        app.nec.push_incoming_event(HTTPUploadProgressEvent(
            None, status='encrypt', file=file))
        encryption = file.encryption
        plugin = app.plugin_manager.encryption_plugins[encryption]
        if hasattr(plugin, 'encrypt_file'):
            plugin.encrypt_file(file, account, callback)
        else:
            app.nec.push_incoming_event(HTTPUploadProgressEvent(
                None, status='close', file=file))
            self.raise_dialog('httpupload-encryption-not-available')

    @staticmethod
    def handle_event_metacontacts(obj):
        app.contacts.define_metacontacts(obj.conn.name, obj.meta_list)

    @staticmethod
    def handle_atom_entry(obj):
        if obj != PEPEventType.ATOM:
            return
        if obj.get_entry():
            AtomWindow.newAtomEntry(obj.get_entry())

    def handle_event_zc_name_conflict(self, obj):
        def on_ok(new_name):
            app.config.set_per('accounts', obj.conn.name, 'name', new_name)
            show = obj.conn.old_show
            status = obj.conn.status
            obj.conn.username = new_name
            obj.conn.change_status(show, status)
        def on_cancel():
            obj.conn.change_status('offline', '')

        InputDialog(_('Username Conflict'),
            _('Please type a new username for your local account'),
            input_str=obj.alt_name, is_modal=True, ok_handler=on_ok,
            cancel_handler=on_cancel, transient_for=self.roster.window)

    def handle_event_resource_conflict(self, obj):
        # ('RESOURCE_CONFLICT', account, ())
        # First we go offline, but we don't overwrite status message
        account = obj.conn.name
        conn = obj.conn
        self.roster.send_status(account, 'offline', conn.status)

        def on_ok(new_resource):
            app.config.set_per('accounts', account, 'resource', new_resource)
            self.roster.send_status(account, conn.old_show, conn.status)

        proposed_resource = conn.server_resource
        if proposed_resource.startswith('gajim.'):
            # Dont notify the user about resource change if he didn't set
            # a custom resource
            on_ok('gajim.$rand')
            return

        proposed_resource += app.config.get('gc_proposed_nick_char')
        dialogs.ResourceConflictDialog(_('Resource Conflict'),
            _('You are already connected to this account with the same '
            'resource. Please type a new one'), resource=proposed_resource,
            ok_handler=on_ok)

    def handle_event_jingleft_cancel(self, obj):
        ft = self.instances['file_transfers']
        file_props = None
        # get the file_props of our session
        file_props = FilesProp.getFileProp(obj.conn.name, obj.sid)
        if not file_props:
            return
        ft.set_status(file_props, 'stop')
        file_props.error = -4 # is it the right error code?
        ft.show_stopped(obj.jid, file_props, 'Peer cancelled ' +
                            'the transfer')

    def handle_event_jingle_incoming(self, obj):
        # ('JINGLE_INCOMING', account, peer jid, sid, tuple-of-contents==(type,
        # data...))
        # TODO: conditional blocking if peer is not in roster

        account = obj.conn.name
        content_types = [obj.contents.media]

        # check type of jingle session
        if 'audio' in content_types or 'video' in content_types:
            # a voip session...
            # we now handle only voip, so the only thing we will do here is
            # not to return from function
            pass
        else:
            # unknown session type... it should be declined in common/jingle.py
            return

        ctrl = (self.msg_win_mgr.get_control(obj.fjid, account)
            or self.msg_win_mgr.get_control(obj.jid, account))
        if ctrl:
            if 'audio' in content_types:
                ctrl.set_audio_state('connection_received', obj.sid)
            if 'video' in content_types:
                ctrl.set_video_state('connection_received', obj.sid)

        dlg = dialogs.VoIPCallReceivedDialog.get_dialog(obj.fjid, obj.sid)
        if dlg:
            dlg.add_contents(content_types)
            return

        if helpers.allow_popup_window(account):
            dialogs.VoIPCallReceivedDialog(account, obj.fjid, obj.sid,
                content_types)
            return

        event = events.JingleIncomingEvent(obj.fjid, obj.sid, content_types)
        self.add_event(account, obj.jid, event)

        if helpers.allow_showing_notification(account):
            # TODO: we should use another pixmap ;-)
            txt = _('%s wants to start a voice chat.') % \
                app.get_name_from_jid(account, obj.fjid)
            event_type = _('Voice Chat Request')
            app.notification.popup(
                event_type, obj.fjid, account, 'jingle-incoming',
                icon_name='gajim-mic_active', title=event_type, text=txt)

    def handle_event_jingle_connected(self, obj):
        # ('JINGLE_CONNECTED', account, (peerjid, sid, media))
        if obj.media in ('audio', 'video'):
            account = obj.conn.name
            ctrl = (self.msg_win_mgr.get_control(obj.fjid, account)
                or self.msg_win_mgr.get_control(obj.jid, account))
            if ctrl:
                if obj.media == 'audio':
                    ctrl.set_audio_state('connected', obj.sid)
                else:
                    ctrl.set_video_state('connected', obj.sid)

    def handle_event_jingle_disconnected(self, obj):
        # ('JINGLE_DISCONNECTED', account, (peerjid, sid, reason))
        account = obj.conn.name
        ctrl = (self.msg_win_mgr.get_control(obj.fjid, account)
            or self.msg_win_mgr.get_control(obj.jid, account))
        if ctrl:
            if obj.media is None:
                ctrl.stop_jingle(sid=obj.sid, reason=obj.reason)
            elif obj.media == 'audio':
                ctrl.set_audio_state('stop', sid=obj.sid, reason=obj.reason)
            elif obj.media == 'video':
                ctrl.set_video_state('stop', sid=obj.sid, reason=obj.reason)
        dialog = dialogs.VoIPCallReceivedDialog.get_dialog(obj.fjid, obj.sid)
        if dialog:
            if obj.media is None:
                dialog.dialog.destroy()
            else:
                dialog.remove_contents((obj.media, ))

    def handle_event_jingle_error(self, obj):
        # ('JINGLE_ERROR', account, (peerjid, sid, reason))
        account = obj.conn.name
        ctrl = (self.msg_win_mgr.get_control(obj.fjid, account)
            or self.msg_win_mgr.get_control(obj.jid, account))
        if ctrl and obj.sid == ctrl.audio_sid:
            ctrl.set_audio_state('error', reason=obj.reason)

    @staticmethod
    def handle_event_roster_item_exchange(obj):
        # data = (action in [add, delete, modify], exchange_list, jid_from)
        dialogs.RosterItemExchangeWindow(obj.conn.name, obj.action,
            obj.exchange_items_list, obj.fjid)

    def handle_event_ssl_error(self, obj):
        account = obj.conn.name
        server = app.config.get_per('accounts', account, 'hostname')

        def on_ok(is_checked):
            del self.instances[account]['online_dialog']['ssl_error']
            if is_checked[0]:

                pem = OpenSSL.crypto.dump_certificate(
                    OpenSSL.crypto.FILETYPE_PEM, obj.cert).decode('utf-8')

                # Check if cert is already in file
                certs = ''
                my_ca_certs = configpaths.get('MY_CACERTS')
                if os.path.isfile(my_ca_certs):
                    with open(my_ca_certs, encoding='utf-8') as f:
                        certs = f.read()
                if pem in certs:
                    ErrorDialog(_('Certificate Already in File'),
                        _('This certificate is already in file %s, so it\'s '
                        'not added again.') % my_ca_certs)
                else:
                    with open(my_ca_certs, 'a', encoding='utf-8') as f:
                        f.write(server + '\n')
                        f.write(pem + '\n\n')

            if is_checked[1]:
                ignore_ssl_errors = app.config.get_per('accounts', account,
                    'ignore_ssl_errors').split()
                ignore_ssl_errors.append(str(obj.error_num))
                app.config.set_per('accounts', account, 'ignore_ssl_errors',
                    ' '.join(ignore_ssl_errors))
            obj.conn.process_ssl_errors()

        def on_cancel():
            del self.instances[account]['online_dialog']['ssl_error']
            obj.conn.disconnect(on_purpose=True)
            app.nec.push_incoming_event(OurShowEvent(None, conn=obj.conn,
                show='offline'))

        text = _('The authenticity of the %s '
                 'certificate could be invalid') % server

        default_text = _('\nUnknown SSL error: %d') % obj.error_num
        ssl_error_text = SSLError.get(obj.error_num, default_text)
        text += _('\nSSL Error: <b>%s</b>') % ssl_error_text

        fingerprint_sha1 = obj.cert.digest('sha1').decode('utf-8')
        fingerprint_sha256 = obj.cert.digest('sha256').decode('utf-8')

        pritext = _('Error verifying SSL certificate')
        sectext = _('There was an error verifying the SSL certificate of your '
            'XMPP server: %(error)s\nDo you still want to connect to this '
            'server?') % {'error': text}
        if obj.error_num in (18, 27):
            checktext1 = _('Add this certificate to the list of trusted '
            'certificates.\nSHA-1 fingerprint of the certificate:\n%(sha1)s'
            '\nSHA-256 fingerprint of the certificate:\n%(sha256)s') % \
            {'sha1': fingerprint_sha1, 'sha256': fingerprint_sha256}
        else:
            checktext1 = ''
        checktext2 = _('Ignore this error for this certificate.')
        if 'ssl_error' in self.instances[account]['online_dialog']:
            self.instances[account]['online_dialog']['ssl_error'].destroy()
        self.instances[account]['online_dialog']['ssl_error'] = \
            SSLErrorDialog(obj.conn.name, obj.cert, pritext,
            sectext, checktext1, checktext2, on_response_ok=on_ok,
            on_response_cancel=on_cancel)
        self.instances[account]['online_dialog']['ssl_error'].set_title(
            _('SSL Certificate Verification for %s') % account)

    def handle_event_non_anonymous_server(self, obj):
        account = obj.conn.name
        server = app.config.get_per('accounts', account, 'hostname')
        ErrorDialog(_('Non Anonymous Server'), sectext='Server "%s"'
            'does not support anonymous connection' % server,
            transient_for=self.roster.window)

    def handle_event_plain_connection(self, obj):
        # ('PLAIN_CONNECTION', account, (connection))
        def on_ok(is_checked):
            if not is_checked[0]:
                if is_checked[1]:
                    app.config.set_per('accounts', obj.conn.name,
                        'action_when_plaintext_connection', 'disconnect')
                on_cancel()
                return
            # On cancel call del self.instances, so don't call it another time
            # before
            del self.instances[obj.conn.name]['online_dialog']\
                ['plain_connection']
            if is_checked[1]:
                app.config.set_per('accounts', obj.conn.name,
                    'action_when_plaintext_connection', 'connect')
            obj.conn.connection_accepted(obj.xmpp_client, 'plain')

        def on_cancel():
            del self.instances[obj.conn.name]['online_dialog']\
                ['plain_connection']
            obj.conn.disconnect(on_purpose=True)
            app.nec.push_incoming_event(OurShowEvent(None, conn=obj.conn,
                show='offline'))

        if 'plain_connection' in self.instances[obj.conn.name]['online_dialog']:
            self.instances[obj.conn.name]['online_dialog']['plain_connection'].\
                destroy()
        self.instances[obj.conn.name]['online_dialog']['plain_connection'] = \
            PlainConnectionDialog(obj.conn.name, on_ok, on_cancel)

    def handle_event_insecure_ssl_connection(self, obj):
        # ('INSECURE_SSL_CONNECTION', account, (connection, connection_type))
        def on_ok(is_checked):
            if not is_checked[0]:
                on_cancel()
                return
            del self.instances[obj.conn.name]['online_dialog']['insecure_ssl']
            if is_checked[1]:
                app.config.set_per('accounts', obj.conn.name,
                    'warn_when_insecure_ssl_connection', False)
            if obj.conn.connected == 0:
                # We have been disconnecting (too long time since window is
                # opened)
                # re-connect with auto-accept
                obj.conn.connection_auto_accepted = True
                show, msg = obj.conn.continue_connect_info[:2]
                self.roster.send_status(obj.conn.name, show, msg)
                return
            obj.conn.connection_accepted(obj.xmpp_client, obj.conn_type)

        def on_cancel():
            del self.instances[obj.conn.name]['online_dialog']['insecure_ssl']
            obj.conn.disconnect(on_purpose=True)
            app.nec.push_incoming_event(OurShowEvent(None, conn=obj.conn,
                show='offline'))

        pritext = _('Insecure connection')
        sectext = _('You are about to send your password on an insecure '
            'connection. You should install PyOpenSSL to prevent that. Are you '
            'sure you want to do that?')
        checktext1 = _('Yes, I really want to connect insecurely')
        checktext2 = _('_Do not ask me again')
        if 'insecure_ssl' in self.instances[obj.conn.name]['online_dialog']:
            self.instances[obj.conn.name]['online_dialog']['insecure_ssl'].\
                destroy()
        self.instances[obj.conn.name]['online_dialog']['insecure_ssl'] = \
            ConfirmationDialogDoubleCheck(pritext, sectext, checktext1,
            checktext2, on_response_ok=on_ok, on_response_cancel=on_cancel,
            is_modal=False)

    def handle_event_insecure_password(self, obj):
        # ('INSECURE_PASSWORD', account, ())
        def on_ok(is_checked):
            if not is_checked[0]:
                on_cancel()
                return
            del self.instances[obj.conn.name]['online_dialog']\
                ['insecure_password']
            if is_checked[1]:
                app.config.set_per('accounts', obj.conn.name,
                    'warn_when_insecure_password', False)
            if obj.conn.connected == 0:
                # We have been disconnecting (too long time since window is
                # opened)
                # re-connect with auto-accept
                obj.conn.connection_auto_accepted = True
                show, msg = obj.conn.continue_connect_info[:2]
                self.roster.send_status(obj.conn.name, show, msg)
                return
            obj.conn.accept_insecure_password()

        def on_cancel():
            del self.instances[obj.conn.name]['online_dialog']\
                ['insecure_password']
            obj.conn.disconnect(on_purpose=True)
            app.nec.push_incoming_event(OurShowEvent(None, conn=obj.conn,
                show='offline'))

        pritext = _('Insecure connection')
        sectext = _('You are about to send your password unencrypted on an '
            'insecure connection. Are you sure you want to do that?')
        checktext1 = _('Yes, I really want to connect insecurely')
        checktext2 = _('_Do not ask me again')
        if 'insecure_password' in self.instances[obj.conn.name]\
        ['online_dialog']:
            self.instances[obj.conn.name]['online_dialog']\
                ['insecure_password'].destroy()
        self.instances[obj.conn.name]['online_dialog']['insecure_password'] = \
            ConfirmationDialogDoubleCheck(pritext, sectext, checktext1,
            checktext2, on_response_ok=on_ok, on_response_cancel=on_cancel,
            is_modal=False)

    def create_core_handlers_list(self):
        self.handlers = {
            'DB_ERROR': [self.handle_event_db_error],
            'FILE_SEND_ERROR': [self.handle_event_file_send_error],
            'pep-received': [self.handle_atom_entry],
            'bad-gpg-passphrase': [self.handle_event_bad_gpg_passphrase],
            'bookmarks-received': [self.handle_event_bookmarks],
            'client-cert-passphrase': [
                self.handle_event_client_cert_passphrase],
            'connection-lost': [self.handle_event_connection_lost],
            'file-request-error': [self.handle_event_file_request_error],
            'file-request-received': [self.handle_event_file_request],
            'gc-invitation-received': [self.handle_event_gc_invitation],
            'gc-decline-received': [self.handle_event_gc_decline],
            'gc-presence-received': [self.handle_event_gc_presence],
            'gpg-password-required': [self.handle_event_gpg_password_required],
            'gpg-trust-key': [self.handle_event_gpg_trust_key],
            'http-auth-received': [self.handle_event_http_auth],
            'information': [self.handle_event_information],
            'insecure-password': [self.handle_event_insecure_password],
            'insecure-ssl-connection': \
                [self.handle_event_insecure_ssl_connection],
            'iq-error-received': [self.handle_event_iq_error],
            'jingle-connected-received': [self.handle_event_jingle_connected],
            'jingle-disconnected-received': [
                self.handle_event_jingle_disconnected],
            'jingle-error-received': [self.handle_event_jingle_error],
            'jingle-request-received': [self.handle_event_jingle_incoming],
            'jingleFT-cancelled-received': [self.handle_event_jingleft_cancel],
            'message-error': [self.handle_event_msgerror],
            'message-not-sent': [self.handle_event_msgnotsent],
            'message-sent': [self.handle_event_msgsent],
            'metacontacts-received': [self.handle_event_metacontacts],
            'muc-admin-received': [self.handle_event_gc_affiliation],
            'muc-owner-received': [self.handle_event_gc_config],
            'oauth2-credentials-required': [self.handle_oauth2_credentials],
            'our-show': [self.handle_event_status],
            'password-required': [self.handle_event_password_required],
            'plain-connection': [self.handle_event_plain_connection],
            'presence-received': [self.handle_event_presence],
            'roster-info': [self.handle_event_roster_info],
            'roster-item-exchange-received': \
                [self.handle_event_roster_item_exchange],
            'signed-in': [self.handle_event_signed_in],
            'ssl-error': [self.handle_event_ssl_error],
            'non-anonymous-server-error': [self.handle_event_non_anonymous_server],
            'stream-conflict-received': [self.handle_event_resource_conflict],
            'subscribe-presence-received': [
                self.handle_event_subscribe_presence],
            'subscribed-presence-received': [
                self.handle_event_subscribed_presence],
            'unsubscribed-presence-received': [
                self.handle_event_unsubscribed_presence],
            'zeroconf-name-conflict': [self.handle_event_zc_name_conflict],
        }

    def register_core_handlers(self):
        """
        Register core handlers in Global Events Dispatcher (GED).

        This is part of rewriting whole events handling system to use GED.
        """
        for event_name, event_handlers in self.handlers.items():
            for event_handler in event_handlers:
                prio = ged.GUI1
                if isinstance(event_handler, tuple):
                    prio = event_handler[1]
                    event_handler = event_handler[0]
                app.ged.register_event_handler(event_name, prio,
                    event_handler)

################################################################################
### Methods dealing with app.events
################################################################################

    def add_event(self, account, jid, event):
        """
        Add an event to the app.events var
        """
        # We add it to the app.events queue
        # Do we have a queue?
        jid = app.get_jid_without_resource(jid)
        no_queue = len(app.events.get_events(account, jid)) == 0
        # event can be in common.events.*
        # event_type can be in advancedNotificationWindow.events_list
        event_types = {'file-request': 'ft_request',
            'file-completed': 'ft_finished'}
        event_type = event_types.get(event.type_)
        show_in_roster = notify.get_show_in_roster(event_type, account, jid)
        show_in_systray = notify.get_show_in_systray(event_type, account, jid)
        event.show_in_roster = show_in_roster
        event.show_in_systray = show_in_systray
        app.events.add_event(account, jid, event)

        self.roster.show_title()
        if no_queue:  # We didn't have a queue: we change icons
            if app.contacts.get_contact_with_highest_priority(account, jid):
                self.roster.draw_contact(jid, account)
            else:
                self.roster.add_to_not_in_the_roster(account, jid)

        # Select the big brother contact in roster, it's visible because it has
        # events.
        family = app.contacts.get_metacontacts_family(account, jid)
        if family:
            _nearby_family, bb_jid, bb_account = \
                app.contacts.get_nearby_family_and_big_brother(family,
                account)
        else:
            bb_jid, bb_account = jid, account
        self.roster.select_contact(bb_jid, bb_account)

    def handle_event(self, account, fjid, type_):
        w = None
        ctrl = None

        resource = app.get_resource_from_jid(fjid)
        jid = app.get_jid_without_resource(fjid)

        if type_ == 'connection-lost':
            app.interface.roster.window.present()
            return

        if type_ in ('printed_gc_msg', 'printed_marked_gc_msg', 'gc_msg'):
            w = self.msg_win_mgr.get_window(jid, account)
            if jid in self.minimized_controls[account]:
                self.roster.on_groupchat_maximized(None, jid, account)
                return
            ctrl = self.msg_win_mgr.get_gc_control(jid, account)

        elif type_ in ('printed_chat', 'chat', ''):
            # '' is for log in/out notifications

            ctrl = self.msg_win_mgr.search_control(jid, account, resource)

            if not ctrl:
                highest_contact = app.contacts.\
                    get_contact_with_highest_priority(account, jid)
                # jid can have a window if this resource was lower when he sent
                # message and is now higher because the other one is offline
                if resource and highest_contact.resource == resource and \
                not self.msg_win_mgr.has_window(jid, account):
                    # remove resource of events too
                    app.events.change_jid(account, fjid, jid)
                    resource = None
                    fjid = jid

                contact = None
                if resource:
                    contact = app.contacts.get_contact(account, jid, resource)
                if not contact:
                    contact = highest_contact
                if not contact:
                    # Maybe we deleted the contact from the roster
                    return

                ctrl = self.new_chat(contact, account, resource=resource)

                app.last_message_time[account][jid] = 0 # long time ago

            w = ctrl.parent_win
        elif type_ in ('printed_pm', 'pm'):

            ctrl = self.msg_win_mgr.get_control(fjid, account)

            if not ctrl:
                room_jid = jid
                nick = resource
                gc_contact = app.contacts.get_gc_contact(
                    account, room_jid, nick)
                if gc_contact:
                    show = gc_contact.show
                else:
                    show = 'offline'
                    gc_contact = app.contacts.create_gc_contact(
                        room_jid=room_jid, account=account, name=nick,
                        show=show)

                ctrl = self.new_private_chat(gc_contact, account)

            w = ctrl.parent_win
        elif type_ in ('normal', 'file-request', 'file-request-error',
        'file-send-error', 'file-error', 'file-stopped', 'file-completed',
        'file-hash-error', 'jingle-incoming'):
            # Get the first single message event
            event = app.events.get_first_event(account, fjid, type_)
            if not event:
                # default to jid without resource
                event = app.events.get_first_event(account, jid, type_)
                if not event:
                    return
                # Open the window
                self.roster.open_event(account, jid, event)
            else:
                # Open the window
                self.roster.open_event(account, fjid, event)
        elif type_ == 'gc-invitation':
            event = app.events.get_first_event(account, jid, type_)
            if event is None:
                return
            dialogs.InvitationReceivedDialog(account, event.room_jid, jid,
                event.password, event.reason, event.is_continued)
            app.events.remove_events(account, jid, event)
            self.roster.draw_contact(jid, account)
        elif type_ == 'subscription_request':
            event = app.events.get_first_event(account, jid, type_)
            if event is None:
                return
            dialogs.SubscriptionRequestWindow(jid, event.text, account,
                event.nick)
            app.events.remove_events(account, jid, event)
            self.roster.draw_contact(jid, account)
        elif type_ == 'unsubscribed':
            event = app.events.get_first_event(account, jid, type_)
            if event is None:
                return
            self.show_unsubscribed_dialog(account, event.contact)
            app.events.remove_events(account, jid, event)
            self.roster.draw_contact(jid, account)
        if w:
            w.set_active_tab(ctrl)
            w.window.present()
            # Using isinstance here because we want to catch all derived types
            if isinstance(ctrl, ChatControlBase):
                ctrl.scroll_to_end()

    def join_gc_minimal(self, account, room_jid, password=None,
    transient_for=None):
        if account is not None:
            if app.in_groupchat(account, room_jid):
                # If we already in the groupchat, join_gc_room will bring
                # it to front
                app.interface.join_gc_room(account, room_jid, '', '')
                return

            con = app.connections[account]
            bookmarks = con.get_module('Bookmarks').bookmarks
            bookmark = bookmarks.get(room_jid, None)
            if bookmark is not None:
                app.interface.join_gc_room(
                    account, room_jid, bookmark['nick'], bookmark['password'])
                return

        try:
            room_jid = helpers.parse_jid(room_jid)
        except helpers.InvalidFormat:
            ErrorDialog('Invalid JID',
                                transient_for=app.app.get_active_window())
            return

        connected_accounts = app.get_connected_accounts()
        if account is not None and account not in connected_accounts:
            connected_accounts = None
        if not connected_accounts:
            ErrorDialog(
                _('You are not connected to the server'),
                _('You can not join a group chat unless you are connected.'),
                transient_for=app.app.get_active_window())
            return

        def _on_discover_result():
            if not muc_caps_cache.is_cached(room_jid):
                ErrorDialog(_('JID is not a Groupchat'),
                                    transient_for=app.app.get_active_window())
                return
            JoinGroupchatWindow(account, room_jid, password=password,
                transient_for=transient_for)

        disco_account = connected_accounts[0] if account is None else account
        app.connections[disco_account].get_module('Discovery').disco_muc(
            room_jid, _on_discover_result)

################################################################################
### Methods dealing with emoticons
################################################################################

    @property
    def basic_pattern_re(self):
        if not self._basic_pattern_re:
            self._basic_pattern_re = re.compile(self.basic_pattern,
                re.IGNORECASE)
        return self._basic_pattern_re

    @property
    def emot_and_basic_re(self):
        if not self._emot_and_basic_re:
            self._emot_and_basic_re = re.compile(
                self.emot_and_basic, re.IGNORECASE)
        return self._emot_and_basic_re

    @property
    def sth_at_sth_dot_sth_re(self):
        if not self._sth_at_sth_dot_sth_re:
            self._sth_at_sth_dot_sth_re = re.compile(self.sth_at_sth_dot_sth)
        return self._sth_at_sth_dot_sth_re

    @property
    def invalid_XML_chars_re(self):
        if not self._invalid_XML_chars_re:
            self._invalid_XML_chars_re = re.compile(self.invalid_XML_chars)
        return self._invalid_XML_chars_re

    def make_regexps(self):
        # regexp meta characters are:  . ^ $ * + ? { } [ ] \ | ( )
        # one escapes the metachars with \
        # \S matches anything but ' ' '\t' '\n' '\r' '\f' and '\v'
        # \s matches any whitespace character
        # \w any alphanumeric character
        # \W any non-alphanumeric character
        # \b means word boundary. This is a zero-width assertion that
        #    matches only at the beginning or end of a word.
        # ^ matches at the beginning of lines
        #
        # * means 0 or more times
        # + means 1 or more times
        # ? means 0 or 1 time
        # | means or
        # [^*] anything but '*' (inside [] you don't have to escape metachars)
        # [^\s*] anything but whitespaces and '*'
        # (?<!\S) is a one char lookbehind assertion and asks for any leading
        #         whitespace
        # and matches beginning of lines so we have correct formatting detection
        # even if the text is just '*foo*'
        # (?!\S) is the same thing but it's a lookahead assertion
        # \S*[^\s\W] --> in the matching string don't match ? or ) etc.. if at
        #                the end
        # so http://be) will match http://be and http://be)be) will match
        # http://be)be

        self._basic_pattern_re = None
        self._emot_and_basic_re = None
        self._sth_at_sth_dot_sth_re = None
        self._invalid_XML_chars_re = None

        legacy_prefixes = r"((?<=\()(www|ftp)\.([A-Za-z0-9\.\-_~:/\?#\[\]@!\$"\
            r"&'\(\)\*\+,;=]|%[A-Fa-f0-9]{2})+(?=\)))"\
            r"|((www|ftp)\.([A-Za-z0-9\.\-_~:/\?#\[\]@!\$&'\(\)\*\+,;=]"\
            r"|%[A-Fa-f0-9]{2})+"\
            r"\.([A-Za-z0-9\.\-_~:/\?#\[\]@!\$&'\(\)\*\+,;=]|%[A-Fa-f0-9]{2})+)"
        # NOTE: it's ok to catch www.gr such stuff exist!

        # FIXME: recognize xmpp: and treat it specially
        links = r"((?<=\()[A-Za-z][A-Za-z0-9\+\.\-]*:"\
            r"([\w\.\-_~:/\?#\[\]@!\$&'\(\)\*\+,;=]|%[A-Fa-f0-9]{2})+"\
            r"(?=\)))|(\w[\w\+\.\-]*:([^<>\s]|%[A-Fa-f0-9]{2})+)"

        # 2nd one: at_least_one_char@at_least_one_char.at_least_one_char
        mail = r'\bmailto:\S*[^\s\W]|' r'\b\S+@\S+\.\S*[^\s\W]'

        # detects eg. *b* *bold* *bold bold* test *bold* *bold*! (*bold*)
        # doesn't detect (it's a feature :P) * bold* *bold * * bold * test*bold*
        formatting = r'|(?<!\w)' r'\*[^\s*]' r'([^*]*[^\s*])?' r'\*(?!\w)|'\
            r'(?<!\S)' r'/[^\s/]' r'([^/]*[^\s/])?' r'/(?!\S)|'\
            r'(?<!\w)' r'_[^\s_]' r'([^_]*[^\s_])?' r'_(?!\w)'

        basic_pattern = links + '|' + mail + '|' + legacy_prefixes

        link_pattern = basic_pattern
        self.link_pattern_re = re.compile(link_pattern, re.I | re.U)

        if app.config.get('ascii_formatting'):
            basic_pattern += formatting
        self.basic_pattern = basic_pattern

        # because emoticons match later (in the string) they need to be after
        # basic matches that may occur earlier
        emoticons = emoji_data.get_regex()
        if app.config.get('ascii_emoticons'):
            emoticons += '|%s' % emoji_ascii_data.get_regex()

        self.emot_and_basic = '%s|%s' % (basic_pattern, emoticons)

        # at least one character in 3 parts (before @, after @, after .)
        self.sth_at_sth_dot_sth = r'\S+@\S+\.\S*[^\s)?]'

        # Invalid XML chars
        self.invalid_XML_chars = '[\x00-\x08]|[\x0b-\x0c]|[\x0e-\x1f]|'\
            '[\ud800-\udfff]|[\ufffe-\uffff]'


################################################################################
### Methods for opening new messages controls
################################################################################

    def join_gc_room(self, account, room_jid, nick, password, minimize=False,
                     is_continued=False):
        """
        Join the room immediately
        """

        if app.contacts.get_contact(account, room_jid) and \
        not app.contacts.get_contact(account, room_jid).is_groupchat():
            ErrorDialog(
                _('This is not a group chat'),
                _('%(room_jid)s is already in your roster. Please check '
                  'if %(room_jid)s is a correct group chat name. If it is, '
                  'delete it from your roster and try joining the group chat '
                  'again.') % {'room_jid': room_jid})
            return

        if not nick:
            nick = app.nicks[account]

        minimized_control = app.interface.minimized_controls[account].get(
            room_jid, None)

        if (self.msg_win_mgr.has_window(room_jid, account) or \
        minimized_control) and app.gc_connected[account][room_jid]:
            if self.msg_win_mgr.has_window(room_jid, account):
                gc_ctrl = self.msg_win_mgr.get_gc_control(room_jid, account)
                win = gc_ctrl.parent_win
                win.set_active_tab(gc_ctrl)
            else:
                self.roster.on_groupchat_maximized(None, room_jid, account)
            return

        invisible_show = app.SHOW_LIST.index('invisible')
        if app.connections[account].connected == invisible_show:
            ErrorDialog(
                _('You cannot join a group chat while you are invisible'))
            return

        if minimized_control is None and not self.msg_win_mgr.has_window(
        room_jid, account):
            # Join new groupchat
            if minimize:
                # GCMIN
                contact = app.contacts.create_contact(jid=room_jid,
                    account=account, groups=[_('Groupchats')], sub='none',
                    groupchat=True)
                app.contacts.add_contact(account, contact)
                gc_control = GroupchatControl(None, contact, nick, account)
                app.interface.minimized_controls[account][room_jid] = \
                    gc_control
                self.roster.add_groupchat(room_jid, account)
            else:
                self.new_room(room_jid, nick, account,
                    is_continued=is_continued)
        elif minimized_control is None:
            # We are already in that groupchat
            gc_control = self.msg_win_mgr.get_gc_control(room_jid, account)
            gc_control.nick = nick
            gc_control.parent_win.set_active_tab(gc_control)

        # Connect
        app.connections[account].join_gc(nick, room_jid, password)
        if password:
            app.gc_passwords[room_jid] = password

    def new_room(self, room_jid, nick, account, is_continued=False):
        # Get target window, create a control, and associate it with the window
        # GCMIN
        contact = app.contacts.create_contact(jid=room_jid, account=account,
            groups=[_('Groupchats')], sub='none', groupchat=True)
        app.contacts.add_contact(account, contact)
        mw = self.msg_win_mgr.get_window(contact.jid, account)
        if not mw:
            mw = self.msg_win_mgr.create_window(contact, account,
                GroupchatControl.TYPE_ID)
        gc_control = GroupchatControl(mw, contact, nick, account,
            is_continued=is_continued)
        mw.new_tab(gc_control)
        mw.set_active_tab(gc_control)

    def new_private_chat(self, gc_contact, account, session=None):
        conn = app.connections[account]
        if not session and gc_contact.get_full_jid() in conn.sessions:
            sessions = [s for s in conn.sessions[gc_contact.get_full_jid()].\
                values() if isinstance(s, ChatControlSession)]

            # look for an existing session with a chat control
            for s in sessions:
                if s.control:
                    session = s
                    break
            if not session and sessions:
                # there are no sessions with chat controls, just take the first
                # one
                session = sessions[0]
        if not session:
            # couldn't find an existing ChatControlSession, just make a new one
            session = conn.make_new_session(gc_contact.get_full_jid(), None,
                'pm')

        contact = gc_contact.as_contact()
        if not session.control:
            message_window = self.msg_win_mgr.get_window(
                gc_contact.get_full_jid(), account)
            if not message_window:
                message_window = self.msg_win_mgr.create_window(contact,
                    account, message_control.TYPE_PM)

            session.control = PrivateChatControl(message_window, gc_contact,
                contact, account, session)
            message_window.new_tab(session.control)

        if app.events.get_events(account, gc_contact.get_full_jid()):
            # We call this here to avoid race conditions with widget validation
            session.control.read_queue()

        return session.control

    def new_chat(self, contact, account, resource=None, session=None):
        # Get target window, create a control, and associate it with the window
        type_ = message_control.TYPE_CHAT

        fjid = contact.jid
        if resource:
            fjid += '/' + resource

        mw = self.msg_win_mgr.get_window(fjid, account)
        if not mw:
            mw = self.msg_win_mgr.create_window(contact, account, type_,
                resource)

        chat_control = ChatControl(mw, contact, account, session, resource)

        mw.new_tab(chat_control)

        if app.events.get_events(account, fjid):
            # We call this here to avoid race conditions with widget validation
            chat_control.read_queue()

        return chat_control

    def new_chat_from_jid(self, account, fjid, message=None):
        jid, resource = app.get_room_and_nick_from_fjid(fjid)
        contact = app.contacts.get_contact(account, jid, resource)
        added_to_roster = False
        if not contact:
            added_to_roster = True
            contact = self.roster.add_to_not_in_the_roster(account, jid,
                resource=resource)

        ctrl = self.msg_win_mgr.get_control(fjid, account)

        if not ctrl:
            ctrl = self.new_chat(contact, account,
                resource=resource)
            if app.events.get_events(account, fjid):
                ctrl.read_queue()

        if message:
            buffer_ = ctrl.msg_textview.get_buffer()
            buffer_.set_text(message)
        mw = ctrl.parent_win
        mw.set_active_tab(ctrl)
        # For JEP-0172
        if added_to_roster:
            ctrl.user_nick = app.nicks[account]

        return ctrl

    def on_open_chat_window(self, widget, contact, account, resource=None,
    session=None):
        # Get the window containing the chat
        fjid = contact.jid

        if resource:
            fjid += '/' + resource

        ctrl = None

        if session:
            ctrl = session.control
        if not ctrl:
            win = self.msg_win_mgr.get_window(fjid, account)

            if win:
                ctrl = win.get_control(fjid, account)

        if not ctrl:
            ctrl = self.new_chat(contact, account, resource=resource,
                session=session)
            # last message is long time ago
            app.last_message_time[account][ctrl.get_full_jid()] = 0

        win = ctrl.parent_win

        win.set_active_tab(ctrl)

        if app.connections[account].is_zeroconf and \
        app.connections[account].status in ('offline', 'invisible'):
            ctrl = win.get_control(fjid, account)
            if ctrl:
                ctrl.got_disconnected()

################################################################################
### Other Methods
################################################################################


    def enable_music_listener(self):
        listener = music_track.MusicTrackListener.get()
        if not self.music_track_changed_signal:
            self.music_track_changed_signal = listener.connect(
                'music-track-changed', self.music_track_changed)
            listener.start()

    def disable_music_listener(self):
        listener = music_track.MusicTrackListener.get()
        listener.disconnect(self.music_track_changed_signal)
        self.music_track_changed_signal = None
        listener.stop()

    @staticmethod
    def music_track_changed(unused_listener, music_track_info, account=None):
        if not account:
            accounts = app.connections.keys()
        else:
            accounts = [account]

        if music_track_info is None or music_track_info.paused:
            artist = title = source = ''
        else:
            artist = music_track_info.artist
            title = music_track_info.title
            source = music_track_info.album
        for acct in accounts:
            if not app.account_is_connected(acct):
                continue
            if not app.connections[acct].get_module('PEP').supported:
                continue
            if not app.config.get_per('accounts', acct, 'publish_tune'):
                continue
            if app.connections[acct].music_track_info == music_track_info:
                continue
            app.connections[acct].get_module('UserTune').send(
                (artist, title, source, '', ''))
            app.connections[acct].music_track_info = music_track_info

    def read_sleepy(self):
        """
        Check idle status and change that status if needed
        """
        if not idle.Monitor.poll():
            # idle detection is not supported in that OS
            return False # stop looping in vain

        for account in app.connections:
            if account not in app.sleeper_state or \
            not app.sleeper_state[account]:
                continue
            if idle.Monitor.is_awake():
                if app.sleeper_state[account] in ('autoaway', 'autoxa'):
                    # we go online
                    self.roster.send_status(account, 'online',
                        app.status_before_autoaway[account])
                    app.status_before_autoaway[account] = ''
                    app.sleeper_state[account] = 'online'
                if app.sleeper_state[account] == 'idle':
                    # we go to the previous state
                    connected = app.connections[account].connected
                    self.roster.send_status(account, app.SHOW_LIST[connected],
                        app.status_before_autoaway[account])
                    app.status_before_autoaway[account] = ''
                    app.sleeper_state[account] = 'off'
            elif idle.Monitor.is_away() and app.config.get('autoaway'):
                if app.sleeper_state[account] == 'online':
                    # we save out online status
                    app.status_before_autoaway[account] = \
                        app.connections[account].status
                    # we go away (no auto status) [we pass True to auto param]
                    auto_message = app.config.get('autoaway_message')
                    if not auto_message:
                        auto_message = app.connections[account].status
                    else:
                        auto_message = auto_message.replace('$S', '%(status)s')
                        auto_message = auto_message.replace('$T', '%(time)s')
                        auto_message = auto_message % {
                            'status': app.status_before_autoaway[account],
                            'time': app.config.get('autoawaytime')
                        }
                    self.roster.send_status(account, 'away', auto_message,
                        auto=True)
                    app.sleeper_state[account] = 'autoaway'
                elif app.sleeper_state[account] == 'off':
                    # we save out online status
                    app.status_before_autoaway[account] = \
                        app.connections[account].status
                    connected = app.connections[account].connected
                    self.roster.send_status(account, app.SHOW_LIST[connected],
                        app.status_before_autoaway[account], auto=True)
                    app.sleeper_state[account] = 'idle'
            elif idle.Monitor.is_xa() and \
            app.sleeper_state[account] in ('online', 'autoaway',
            'autoaway-forced') and app.config.get('autoxa'):
                # we go extended away [we pass True to auto param]
                auto_message = app.config.get('autoxa_message')
                if not auto_message:
                    auto_message = app.connections[account].status
                else:
                    auto_message = auto_message.replace('$S', '%(status)s')
                    auto_message = auto_message.replace('$T', '%(time)s')
                    auto_message = auto_message % {
                            'status': app.status_before_autoaway[account],
                            'time': app.config.get('autoxatime')
                            }
                self.roster.send_status(account, 'xa', auto_message, auto=True)
                app.sleeper_state[account] = 'autoxa'
        return True # renew timeout (loop for ever)

    def autoconnect(self):
        """
        Auto connect at startup
        """
        # dict of account that want to connect sorted by status
        shows = {}
        for a in app.connections:
            if app.config.get_per('accounts', a, 'autoconnect'):
                if app.config.get_per('accounts', a, 'restore_last_status'):
                    self.roster.send_status(a, app.config.get_per('accounts',
                        a, 'last_status'), helpers.from_one_line(
                        app.config.get_per('accounts', a, 'last_status_msg')))
                    continue
                show = app.config.get_per('accounts', a, 'autoconnect_as')
                if show not in app.SHOW_LIST:
                    continue
                if show not in shows:
                    shows[show] = [a]
                else:
                    shows[show].append(a)
        def on_message(message, pep_dict):
            if message is None:
                return
            for a in shows[show]:
                self.roster.send_status(a, show, message)
                self.roster.send_pep(a, pep_dict)
        for show in shows:
            self.roster.get_status_message(show, on_message)
        return False

    def show_systray(self):
        self.systray_enabled = True
        self.systray.show_icon()

    def hide_systray(self):
        self.systray_enabled = False
        self.systray.hide_icon()

    @staticmethod
    def on_launch_browser_mailer(widget, url, kind):
        helpers.launch_browser_mailer(kind, url)

    def process_connections(self):
        """
        Called each foo (200) milliseconds. Check for idlequeue timeouts
        """
        try:
            app.idlequeue.process()
        except Exception:
            # Otherwise, an exception will stop our loop

            if sys.platform == 'win32':
                # On Windows process() calls select.select(), so we need this
                # executed as often as possible.
                # Adding it directly with GLib.idle_add() causes Gajim to use
                # too much CPU time. That's why its added with 1ms timeout.
                # On Linux only alarms are checked in process(), so we use
                # a bigger timeout
                timeout, in_seconds = 1, None
            else:
                timeout, in_seconds = app.idlequeue.PROCESS_TIMEOUT

            if in_seconds:
                GLib.timeout_add_seconds(timeout, self.process_connections)
            else:
                GLib.timeout_add(timeout, self.process_connections)
            raise
        return True # renew timeout (loop for ever)

    @staticmethod
    def save_config():
        err_str = parser.write()
        if err_str is not None:
            print(err_str, file=sys.stderr)
            # it is good to notify the user
            # in case he or she cannot see the output of the console
            error_dialog = ErrorDialog(_('Could not save your settings and '
                'preferences'), err_str)
            error_dialog.run()
            sys.exit()

    @staticmethod
    def update_avatar(account=None, jid=None, contact=None, room_avatar=False):
        if room_avatar:
            app.nec.push_incoming_event(
                UpdateRoomAvatarEvent(None, account=account, jid=jid))
        elif contact is None:
            app.nec.push_incoming_event(
                UpdateRosterAvatarEvent(None, account=account, jid=jid))
        else:
            app.nec.push_incoming_event(
                UpdateGCAvatarEvent(None, contact=contact))

    def save_avatar(self, data, publish=False):
        """
        Save an avatar to the harddisk

        :param data:    publish=False data must be bytes
                        publish=True data must be a path to a file

        :param publish: If publish is True, the method scales the file
                        to AvatarSize.PUBLISH size before saving

        returns SHA1 value of the avatar or None on error
        """
        if data is None:
            return

        if publish:
            with open(data, 'rb') as file:
                data = file.read()
            pixbuf = gtkgui_helpers.get_pixbuf_from_data(data)
            if pixbuf is None:
                return

            width = pixbuf.get_width()
            height = pixbuf.get_height()
            if width > AvatarSize.PUBLISH or height > AvatarSize.PUBLISH:
                # Scale only down, never up
                width, height = gtkgui_helpers.scale_with_ratio(
                    AvatarSize.PUBLISH, width, height)
                pixbuf = pixbuf.scale_simple(width,
                                             height,
                                             GdkPixbuf.InterpType.BILINEAR)
            publish_path = os.path.join(
                configpaths.get('AVATAR'), 'temp_publish')
            pixbuf.savev(publish_path, 'png', [], [])
            with open(publish_path, 'rb') as file:
                data = file.read()
            return self.save_avatar(data)

        sha = hashlib.sha1(data).hexdigest()
        path = os.path.join(configpaths.get('AVATAR'), sha)
        try:
            with open(path, "wb") as output_file:
                output_file.write(data)
        except Exception:
            app.log('avatar').error('Saving avatar failed', exc_info=True)
            return

        return sha

    @staticmethod
    def get_avatar(filename, size=None, scale=None, publish=False):
        if filename is None or '':
            return

        if size is None and scale is not None:
            raise ValueError

        if scale is not None:
            size = size * scale

        if publish:
            path = os.path.join(configpaths.get('AVATAR'), filename)
            with open(path, 'rb') as file:
                data = file.read()
            return data

        try:
            pixbuf = app.avatar_cache[filename][size]
            if scale is None:
                return pixbuf
            return Gdk.cairo_surface_create_from_pixbuf(pixbuf, scale)
        except KeyError:
            pass

        path = os.path.join(configpaths.get('AVATAR'), filename)
        if not os.path.isfile(path):
            return

        pixbuf = None
        try:
            if size is not None:
                pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
                    path, size, size, True)
            else:
                pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
        except GLib.GError:
            app.log('avatar').info(
                'loading avatar %s failed. Try to convert '
                'avatar image using pillow', filename)
            try:
                with open(path, 'rb') as im_handle:
                    img = Image.open(im_handle)
                    avatar = img.convert("RGBA")
            except (NameError, OSError):
                app.log('avatar').warning('Pillow convert failed: %s', filename)
                app.log('avatar').debug('Error', exc_info=True)
                return
            array = GLib.Bytes.new(avatar.tobytes())
            width, height = avatar.size
            pixbuf = GdkPixbuf.Pixbuf.new_from_bytes(
                array, GdkPixbuf.Colorspace.RGB, True,
                8, width, height, width * 4)
            if size:
                width, height = gtkgui_helpers.scale_with_ratio(
                    size, width, height)
                pixbuf = pixbuf.scale_simple(
                    width, height, GdkPixbuf.InterpType.BILINEAR)

        if filename not in app.avatar_cache:
            app.avatar_cache[filename] = {}
        app.avatar_cache[filename][size] = pixbuf

        if scale is None:
            return pixbuf
        return Gdk.cairo_surface_create_from_pixbuf(pixbuf, scale)

    @staticmethod
    def avatar_exists(filename):
        path = os.path.join(configpaths.get('AVATAR'), filename)
        if not os.path.isfile(path):
            return False
        return True

    # does JID exist only within a groupchat?
    def is_pm_contact(self, fjid, account):
        bare_jid = app.get_jid_without_resource(fjid)

        gc_ctrl = self.msg_win_mgr.get_gc_control(bare_jid, account)

        if not gc_ctrl and \
        bare_jid in self.minimized_controls[account]:
            gc_ctrl = self.minimized_controls[account][bare_jid]

        return gc_ctrl and gc_ctrl.type_id == message_control.TYPE_GC

    @staticmethod
    def get_pep_icon(pep_obj):
        if pep_obj == PEPEventType.MOOD:
            received_mood = pep_obj.data['mood']
            mood = received_mood if received_mood in MOODS else 'unknown'
            return gtkgui_helpers.load_mood_icon(mood).get_pixbuf()

        if pep_obj == PEPEventType.TUNE:
            path = os.path.join(
                configpaths.get('DATA'), 'emoticons', 'static', 'music.png')
            return GdkPixbuf.Pixbuf.new_from_file(path)

        if pep_obj == PEPEventType.ACTIVITY:
            pep_ = pep_obj.data
            activity = pep_['activity']

            has_known_activity = activity in ACTIVITIES
            has_known_subactivity = (has_known_activity and
                                     'subactivity' in pep_ and
                                     pep_['subactivity'] in ACTIVITIES[activity])

            if has_known_activity:
                if has_known_subactivity:
                    subactivity = pep_['subactivity']
                    return gtkgui_helpers.load_activity_icon(
                        activity, subactivity).get_pixbuf()
                return gtkgui_helpers.load_activity_icon(activity).get_pixbuf()
            return gtkgui_helpers.load_activity_icon('unknown').get_pixbuf()

        if pep_obj == PEPEventType.LOCATION:
            icon = gtkgui_helpers.get_icon_pixmap(
                'applications-internet', quiet=True)
            return icon

    @staticmethod
    def create_ipython_window():
        try:
            from gajim.dev.ipython_view import IPythonView
        except ImportError:
            print('ipython_view not found')
            return
        from gi.repository import Pango

        if os.name == 'nt':
            font = 'Lucida Console 9'
        else:
            font = 'Luxi Mono 10'

        window = Gtk.Window()
        window.set_size_request(750, 550)
        window.set_resizable(True)
        sw = Gtk.ScrolledWindow()
        sw.set_policy(Gtk.PolicyType.AUTOMATIC, Gtk.PolicyType.AUTOMATIC)
        view = IPythonView()
        view.override_font(Pango.FontDescription(font))
        view.set_wrap_mode(Gtk.WrapMode.CHAR)
        sw.add(view)
        window.add(sw)
        window.show_all()
        def on_delete(win, event):
            win.hide()
            return True
        window.connect('delete_event', on_delete)
        view.updateNamespace({'gajim': app})
        app.ipython_window = window

    def network_status_changed(self, monitor, connected):
        if connected == self.network_state:
            # This callback gets called a lot from GTK with the
            # same state, not only on change.
            return
        self.network_state = connected
        log.debug('NetworkMonitor state change: %s', connected)
        if connected:
            for connection in app.connections.values():
                if connection.connected <= 0 and connection.time_to_reconnect:
                    log.info('Connect %s', connection.name)
                    connection.reconnect()
        else:
            for connection in app.connections.values():
                if connection.connected > 1:
                    log.info('Disconnect %s', connection.name)
                    connection.disconnectedReconnCB()

    def create_zeroconf_default_config(self):
        if app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'name'):
            return
        log.info('Creating zeroconf account')
        app.config.add_per('accounts', app.ZEROCONF_ACC_NAME)
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
                'autoconnect', True)
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'no_log_for',
                '')
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME, 'password',
                'zeroconf')
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
                'sync_with_global_status', True)

        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
                'custom_port', 5298)
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
                'is_zeroconf', True)
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
                'use_ft_proxies', False)
        app.config.set_per('accounts', app.ZEROCONF_ACC_NAME,
                'active', False)

    def run(self, application):
        if app.config.get('trayicon') != 'never':
            self.show_systray()

        self.roster = roster_window.RosterWindow(application)
        if self.msg_win_mgr.mode == \
        MessageWindowMgr.ONE_MSG_WINDOW_ALWAYS_WITH_ROSTER:
            self.msg_win_mgr.create_window(None, None, None)

        # Creating plugin manager
        from gajim import plugins
        app.plugin_manager = plugins.PluginManager()
        app.plugin_manager.init_plugins()

        helpers.update_optional_features()
        # prepopulate data which we are sure of; note: we do not log these info
        for account in app.connections:
            gajimcaps = caps_cache.capscache[
                ('sha-1', app.caps_hash[account])]
            gajimcaps.identities = [app.gajim_identity]
            gajimcaps.features = app.gajim_common_features + \
                app.gajim_optional_features[account]

        self.roster._before_fill()
        for account in app.connections:
            app.connections[account].get_module('Roster').load_roster()
        self.roster._after_fill()

        # get instances for windows/dialogs that will show_all()/hide()
        self.instances['file_transfers'] = FileTransfersWindow()

        GLib.timeout_add(100, self.autoconnect)
        if sys.platform == 'win32':
            timeout, in_seconds = 20, None
        else:
            timeout, in_seconds = app.idlequeue.PROCESS_TIMEOUT

        if in_seconds:
            GLib.timeout_add_seconds(timeout, self.process_connections)
        else:
            GLib.timeout_add(timeout, self.process_connections)
        GLib.timeout_add_seconds(app.config.get(
                'check_idle_every_foo_seconds'), self.read_sleepy)

        def remote_init():
            if app.config.get('remote_control'):
                try:
                    from gajim import remote_control
                    remote_control.GajimRemote()
                except Exception:
                    pass
        GLib.timeout_add_seconds(5, remote_init)

    def __init__(self):
        app.interface = self
        app.thread_interface = ThreadInterface
        # This is the manager and factory of message windows set by the module
        self.msg_win_mgr = None
        self.jabber_state_images = {'16': {}, '24': {}, '32': {}, 'opened': {},
            'closed': {}}
        self.minimized_controls = {}
        self.status_sent_to_users = {}
        self.status_sent_to_groups = {}
        self.gpg_passphrase = {}
        self.pass_dialog = {}
        self.db_error_dialog = None

        self.handlers = {}
        self.roster = None
        self._invalid_XML_chars_re = None
        self._basic_pattern_re = None
        self._emot_and_basic_re = None
        self._sth_at_sth_dot_sth_re = None
        self.link_pattern_re = None
        self.invalid_XML_chars = None
        self.basic_pattern = None
        self.emot_and_basic = None
        self.sth_at_sth_dot_sth = None

        cfg_was_read = parser.read()

        if not cfg_was_read:
            # enable plugin_installer by default when creating config file
            app.config.set_per('plugins', 'plugin_installer', 'active', False)

        # Load CSS files
        app.load_css_config()

        app.logger.reset_shown_unread_messages()
        # override logging settings from config (don't take care of '-q' option)
        if app.config.get('verbose'):
            logging_helpers.set_verbose()

        for account in app.config.get_per('accounts'):
            if app.config.get_per('accounts', account, 'is_zeroconf'):
                app.ZEROCONF_ACC_NAME = account
                break
        # Is gnome configured to activate row on single click ?
#        try:
#            gi.require_version('GConf', '2.0')
#            from gi.repository import GConf
#            client = GConf.Client.get_default()
#            click_policy = client.get_string(
#                    '/apps/nautilus/preferences/click_policy')
#            if click_policy == 'single':
#                app.single_click = True
#        except Exception:
#            pass
        # add default status messages if there is not in the config file
        if not app.config.get_per('statusmsg'):
            default = app.config.statusmsg_default
            for msg in default:
                app.config.add_per('statusmsg', msg)
                app.config.set_per('statusmsg', msg, 'message',
                    default[msg][0])
                app.config.set_per('statusmsg', msg, 'activity',
                    default[msg][1])
                app.config.set_per('statusmsg', msg, 'subactivity',
                    default[msg][2])
                app.config.set_per('statusmsg', msg, 'activity_text',
                    default[msg][3])
                app.config.set_per('statusmsg', msg, 'mood',
                    default[msg][4])
                app.config.set_per('statusmsg', msg, 'mood_text',
                    default[msg][5])

        # Add Tor proxy if there is not in the config
        if not app.config.get_per('proxies'):
            default = app.config.proxies_default
            for proxy in default:
                app.config.add_per('proxies', proxy)
                app.config.set_per('proxies', proxy, 'type',
                    default[proxy][0])
                app.config.set_per('proxies', proxy, 'host',
                    default[proxy][1])
                app.config.set_per('proxies', proxy, 'port',
                    default[proxy][2])


        app.idlequeue = idlequeue.get_idlequeue()
        # resolve and keep current record of resolved hosts
        app.resolver = resolver.get_resolver()
        app.socks5queue = socks5.SocksQueue(app.idlequeue,
            self.handle_event_file_rcv_completed,
            self.handle_event_file_progress,
            self.handle_event_file_error)
        app.proxy65_manager = proxy65_manager.Proxy65Manager(app.idlequeue)
        app.default_session_type = ChatControlSession

        # Creating Network Events Controller
        from gajim.common import nec
        app.nec = nec.NetworkEventsController()
        app.notification = notify.Notification()

        self.create_core_handlers_list()
        self.register_core_handlers()

        self.create_zeroconf_default_config()
        if app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'active') \
        and app.is_installed('ZEROCONF'):
            app.connections[app.ZEROCONF_ACC_NAME] = \
                connection_zeroconf.ConnectionZeroconf(app.ZEROCONF_ACC_NAME)
        for account in app.config.get_per('accounts'):
            if not app.config.get_per('accounts', account, 'is_zeroconf') and\
            app.config.get_per('accounts', account, 'active'):
                app.connections[account] = Connection(account)

        # gtk hooks
#        Gtk.about_dialog_set_email_hook(self.on_launch_browser_mailer, 'mail')
#        Gtk.about_dialog_set_url_hook(self.on_launch_browser_mailer, 'url')
#        Gtk.link_button_set_uri_hook(self.on_launch_browser_mailer, 'url')

        self.instances = {}

        for a in app.connections:
            self.instances[a] = {'infos': {}, 'disco': {}, 'gc_config': {},
                'search': {}, 'online_dialog': {}, 'sub_request': {}}
            # online_dialog contains all dialogs that have a meaning only when
            # we are not disconnected
            self.minimized_controls[a] = {}
            app.contacts.add_account(a)
            app.groups[a] = {}
            app.gc_connected[a] = {}
            app.automatic_rooms[a] = {}
            app.newly_added[a] = []
            app.to_be_removed[a] = []
            app.nicks[a] = app.config.get_per('accounts', a, 'name')
            app.block_signed_in_notifications[a] = True
            app.sleeper_state[a] = 0
            app.last_message_time[a] = {}
            app.status_before_autoaway[a] = ''
            app.gajim_optional_features[a] = []
            app.caps_hash[a] = ''

        self.remote_ctrl = None

        # Handle screensaver
        if sys.platform not in ('win32', 'darwin'):
            logind.enable()
            screensaver.enable()

        self.show_vcard_when_connect = []

        idle.Monitor.set_interval(app.config.get('autoawaytime') * 60,
                                  app.config.get('autoxatime') * 60)

        gtkgui_helpers.make_jabber_state_images()

        self.systray_enabled = False

        from gajim import statusicon
        self.systray = statusicon.StatusIcon()

        pixs = []
        for size in (16, 32, 48, 64, 128):
            pix = gtkgui_helpers.get_icon_pixmap('org.gajim.Gajim', size)
            if pix:
                pixs.append(pix)
        if pixs:
            # set the icon to all windows
            Gtk.Window.set_default_icon_list(pixs)

        # Init emoji_chooser
        from gajim.gtk.emoji_chooser import emoji_chooser
        emoji_chooser.load()
        self.make_regexps()

        # get transports type from DB
        app.transport_type = app.logger.get_transports_type()

        helpers.find_soundplayer()

        self.last_ftwindow_update = 0

        self.music_track_changed_signal = None

        self.network_monitor = Gio.NetworkMonitor.get_default()
        self.network_monitor.connect('network-changed',
                                     self.network_status_changed)
        self.network_state = self.network_monitor.get_network_available()


class PassphraseRequest:
    def __init__(self, keyid):
        self.keyid = keyid
        self.callbacks = []
        self.dialog_created = False
        self.dialog = None
        self.passphrase = None
        self.completed = False

    def interrupt(self, account=None):
        if account:
            for (acct, cb) in self.callbacks:
                if acct == account:
                    self.callbacks.remove((acct, cb))
        else:
            self.callbacks = []
        if not self.callbacks:
            self.dialog.window.destroy()

    def run_callback(self, account, callback):
        app.connections[account].gpg_passphrase(self.passphrase)
        callback()

    def add_callback(self, account, cb):
        if self.completed:
            self.run_callback(account, cb)
        else:
            self.callbacks.append((account, cb))
            if not self.dialog_created:
                self.create_dialog(account)

    def complete(self, passphrase):
        self.passphrase = passphrase
        self.completed = True
        if passphrase is not None:
            GLib.timeout_add_seconds(30, app.interface.forget_gpg_passphrase,
                self.keyid)
        for (account, cb) in self.callbacks:
            self.run_callback(account, cb)
        self.callbacks = []

    def create_dialog(self, account):
        title = _('Passphrase Required')
        second = _('Enter OpenPGP key passphrase for key %(keyid)s '
                   '(account %(account)s).') % {'keyid': self.keyid,
                                                'account': account}

        def _cancel():
            # user cancelled, continue without GPG
            self.complete(None)

        def _ok(passphrase, checked, count):
            result = app.connections[account].test_gpg_passphrase(passphrase)
            if result == 'ok':
                # passphrase is good
                self.complete(passphrase)
                return

            if result == 'expired':
                ErrorDialog(
                    _('OpenPGP key expired'),
                    _('Your OpenPGP key has expired, you will be connected to '
                      '%s without OpenPGP.') % account)
                # Don't try to connect with GPG
                app.connections[account].continue_connect_info[2] = False
                self.complete(None)
                return

            if count < 3:
                # ask again
                dialogs.PassphraseDialog(
                    _('Wrong Passphrase'),
                    _('Please retype your OpenPGP passphrase or press Cancel.'),
                    ok_handler=(_ok, count + 1), cancel_handler=_cancel)
            else:
                # user failed 3 times, continue without GPG
                self.complete(None)

        self.dialog = dialogs.PassphraseDialog(
            title, second, ok_handler=(_ok, 1), cancel_handler=_cancel)
        self.dialog_created = True


class ThreadInterface:
    def __init__(self, func, func_args=(), callback=None, callback_args=()):
        """
        Call a function in a thread
        """
        def thread_function(func, func_args, callback, callback_args):
            output = func(*func_args)
            if callback:
                GLib.idle_add(callback, output, *callback_args)

        Thread(target=thread_function, args=(func, func_args, callback,
                callback_args)).start()