# -*- coding:utf-8 -*-
## src/gajim.py
##
## 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 math
import hashlib

from gi.repository import Gtk
from gi.repository import GdkPixbuf
from gi.repository import GLib

try:
    from PIL import Image
except:
    pass

from gajim.common import app
from gajim.common import events

from gajim.common import dbus_support
if dbus_support.supported:
    from gajim.music_track_listener import MusicTrackListener
    from gajim.common import location_listener
    import dbus

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.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.atom_window import AtomWindow
from gajim.session import ChatControlSession

from gajim.common import sleepy

from nbxmpp import idlequeue
from nbxmpp import Hashes2
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.connection_handlers_events import (
    OurShowEvent, FileRequestErrorEvent, FileTransferCompletedEvent,
    UpdateRosterAvatarEvent, UpdateGCAvatarEvent)
from gajim.common.connection import Connection
from gajim.common.file_props import FilesProp
from gajim.common import pep
from gajim import emoticons
from gajim.common.const import AvatarSize

from gajim import roster_window
from gajim import profile_window
from gajim import config
from threading import Thread
from gajim.common import ged

from gajim.common.configpaths import gajimpaths
config_filename = gajimpaths['CONFIG_FILE']

from gajim.common import optparser
parser = optparser.OptionsParser(config_filename)

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

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

    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
        check_text = _('Always use this nickname when there is a conflict')
        if 'change_nick_dialog' in self.instances:
            self.instances['change_nick_dialog'].add_room(account, room_jid,
                prompt)
        else:
            self.instances['change_nick_dialog'] = dialogs.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.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
        dialog = dialogs.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
            ft = self.instances['file_transfers']
            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])
        path = gtkgui_helpers.get_icon_path('gajim-connection_lost', 48)
        account = obj.conn.name
        notify.popup(_('Connection Failed'), account, account,
            '', path, 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(self.name)

    def edit_own_details(self, account):
        jid = app.get_jid_from_account(account)
        if 'profile' not in self.instances[account]:
            self.instances[account]['profile'] = \
            profile_window.ProfileWindow(account, app.interface.roster.window)

    @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 = dialogs.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 = dialogs.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 = dialogs.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')):
                # group chat does not exist
                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

    @staticmethod
    def handle_event_gc_message(obj):
        if not obj.stanza.getTag('body'): # no <body>
            # It could be a voice request. See
            # http://www.xmpp.org/extensions/xep-0045.html#voiceapprove
            if obj.msg_obj.form_node:
                dialogs.SingleMessageWindow(obj.conn.name, obj.fjid,
                    action='receive', from_whom=obj.fjid,
                    subject='', message='', resource='', session=None,
                    form_node=obj.msg_obj.form_node)

    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
        show = obj.show
        status = obj.status
        resource = obj.resource or ''

        jid_list = app.contacts.get_jid_list(account)

        # 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)

        highest = app.contacts.get_contact_with_highest_priority(account, jid)
        is_highest = (highest and highest.resource == resource)

        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.contact.our_chatstate = False
                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].window.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):
            path = gtkgui_helpers.get_icon_path('gajim-subscription_request',
                48)
            event_type = _('Subscription request')
            notify.popup(event_type, obj.jid, account, 'subscription_request',
                path, 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)
        dialogs.InformationDialog(_('Authorization accepted'),
            _('The contact "%s" has authorized you to see his or her 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)]
        dialogs.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):
            path = gtkgui_helpers.get_icon_path('gajim-unsubscribed', 48)
            event_type = _('Unsubscribed')
            notify.popup(event_type, obj.jid, account, 'unsubscribed', path,
                event_type, obj.jid)

    @staticmethod
    def handle_event_register_agent_info(obj):
        # ('REGISTER_AGENT_INFO', account, (agent, infos, is_form))
        # info in a dataform if is_form is True
        if obj.is_form or 'instructions' in obj.config:
            config.ServiceRegistrationWindow(obj.agent, obj.config,
                obj.conn.name, obj.is_form)
        else:
            dialogs.ErrorDialog(_('Contact with "%s" cannot be established') % \
                obj.agent, _('Check your connection or try again later.'))

    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.send_gc_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.send_gc_affiliation_list(obj.jid, user_list)
            else:
                # use default configuration
                obj.conn.send_gc_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.send_invite(obj.jid, jid,
                        continue_tag=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.jid in self.instances[account]['gc_config']:
            self.instances[account]['gc_config'][obj.jid].\
                affiliation_list_received(obj.users_dict)

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

    def handle_event_gc_invitation(self, obj):
        #('GC_INVITATION', (room_jid, jid_from, reason, password, is_continued))
        account = obj.conn.name
        if helpers.allow_popup_window(account) or not self.systray_enabled:
            dialogs.InvitationReceivedDialog(account, obj.room_jid,
                obj.jid_from, obj.password, obj.reason,
                is_continued=obj.is_continued)
            return

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

        if helpers.allow_showing_notification(account):
            path = gtkgui_helpers.get_icon_path('gajim-gc_invitation', 48)
            event_type = _('Groupchat Invitation')
            notify.popup(event_type, obj.jid_from, account, 'gc-invitation',
                path, event_type, 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.')
            dialogs.WarningDialog(_('Wrong passphrase'), sectext)
        else:
            path = gtkgui_helpers.get_icon_path('gtk-dialog-warning', 48)
            account = obj.conn.name
            notify.popup('warning', account, account, '', path,
                _('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)

        dialogs.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] = dialogs.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].window.destroy()

    def handle_event_bookmarks(self, obj):
        # ('BOOKMARKS', account, [{name,jid,autojoin,password,nick}, {}])
        # We received a bookmark item from the server (JEP48)
        # Auto join GC windows if neccessary

        gui_menu_builder.build_bookmark_menu(obj.conn.name)
        invisible_show = app.SHOW_LIST.index('invisible')
        # do not autojoin if we are invisible
        if obj.conn.connected == invisible_show:
            return

        GLib.idle_add(self.auto_join_bookmarks, obj.conn.name)

    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):
            path = gtkgui_helpers.get_icon_path('gajim-ft_error', 48)
            event_type = _('File Transfer Error')
            notify.popup(event_type, jid, account, 'file-send-error', path,
                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
            path = gtkgui_helpers.get_icon_path('gajim-ft_error', 48)
            event_type = _('File Transfer Error')
            notify.popup(event_type, obj.jid, obj.conn.name, msg_type, path,
                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):
            path = gtkgui_helpers.get_icon_path('gajim-ft_request', 48)
            txt = _('%s wants to send you a file.') % app.get_name_from_jid(
                account, obj.jid)
            event_type = _('File Transfer Request')
            notify.popup(event_type, obj.jid, account, 'file-request',
                path_to_image=path, title=event_type, text=txt)

    @staticmethod
    def handle_event_file_error(title, message):
        dialogs.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:
            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}
                    img_name = 'gajim-ft_done'
                elif event_type == _('File Transfer Stopped'):
                    txt = _('File transfer of %(filename)s from %(name)s '
                        'stopped.') % {'filename': filename, 'name': name}
                    img_name = 'gajim-ft_stopped'
                else: # ft hash error
                    txt = _('File transfer of %(filename)s from %(name)s '
                        'failed.') % {'filename': filename, 'name': name}
                    img_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}
                    img_name = 'gajim-ft_done'
                elif event_type == _('File Transfer Stopped'):
                    txt = _('File transfer of %(filename)s to %(name)s '
                        'stopped.') % {'filename': filename, 'name': name}
                    img_name = 'gajim-ft_stopped'
                else: # ft hash error
                    txt = _('File transfer of %(filename)s to %(name)s '
                        'failed.') % {'filename': filename, 'name': name}
                    img_name = 'gajim-ft_stopped'
            path = gtkgui_helpers.get_icon_path(img_name, 48)
        else:
            txt = ''
            path = ''

        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
            notify.popup(event_type, jid, account, msg_type, path_to_image=path,
                    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
        account = obj.conn.name
        app.block_signed_in_notifications[account] = True
        state = self.sleeper.getState()
        connected = obj.conn.connected
        if state != sleepy.STATE_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 ((state == sleepy.STATE_AWAY and connected == 4) or \
        (state == sleepy.STATE_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.archiving_313_supported and app.config.get_per('accounts',
        account, 'sync_logs_with_server'):
            obj.conn.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 obj.conn.pep_supported and dbus_support.supported and \
        app.config.get_per('accounts', account, 'publish_tune'):
            self.enable_music_listener()
        # enable location listener
        if obj.conn.pep_supported and dbus_support.supported and \
        app.config.get_per('accounts', account, 'publish_location'):
            location_listener.enable()


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

    @staticmethod
    def handle_atom_entry(obj):
        AtomWindow.newAtomEntry(obj.atom_entry)

    @staticmethod
    def handle_event_failed_decrypt(obj):
        details = _('Unable to decrypt message from %s\nIt may have been '
            'tampered with.') % obj.fjid
        dialogs.WarningDialog(_('Unable to decrypt message'), details)

    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', '')

        dlg = dialogs.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
        proposed_resource += app.config.get('gc_proposed_nick_char')
        dlg = 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)
            path = gtkgui_helpers.get_icon_path('gajim-mic_active', 48)
            event_type = _('Voice Chat Request')
            notify.popup(event_type, obj.fjid, account, 'jingle-incoming',
                    path_to_image=path, 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):
        # ('SSL_ERROR', account, (text, errnum, cert, sha1_fingerprint, sha256_fingerprint))
        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]:
                # Check if cert is already in file
                certs = ''
                if os.path.isfile(app.MY_CACERTS):
                    f = open(app.MY_CACERTS)
                    certs = f.read()
                    f.close()
                if obj.cert in certs:
                    dialogs.ErrorDialog(_('Certificate Already in File'),
                        _('This certificate is already in file %s, so it\'s '
                        'not added again.') % app.MY_CACERTS)
                else:
                    f = open(app.MY_CACERTS, 'a')
                    f.write(server + '\n')
                    f.write(obj.cert + '\n\n')
                    f.close()
            app.config.set_per('accounts', account, 'ssl_fingerprint_sha1',
                obj.fingerprint_sha1)
            app.config.set_per('accounts', account, 'ssl_fingerprint_sha256',
                obj.fingerprint_sha256)
            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.ssl_certificate_accepted()

        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'))

        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': obj.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'
            '\nSHA256 fingerprint of the certificate:\n%(sha256)s') % \
            {'sha1': obj.fingerprint_sha1, 'sha256': obj.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'] = \
            dialogs.SSLErrorDialog(obj.conn.name, obj.certificate, 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')
        dialogs.ErrorDialog(_('Non Anonymous Server'), sectext='Server "%s"'
            'does not support anonymous connection' % server,
            transient_for=self.roster.window)

    def handle_event_fingerprint_error(self, obj):
        # ('FINGERPRINT_ERROR', account, (new_fingerprint_sha1,new_fingerprint_sha256,))
        account = obj.conn.name
        def on_yes(is_checked):
            del self.instances[account]['online_dialog']['fingerprint_error']
            app.config.set_per('accounts', account, 'ssl_fingerprint_sha1',
                obj.new_fingerprint_sha1)
            app.config.set_per('accounts', account, 'ssl_fingerprint_sha256',
                obj.new_fingerprint_sha256)
            # Reset the ignored ssl errors
            app.config.set_per('accounts', account, 'ignore_ssl_errors', '')
            obj.conn.ssl_certificate_accepted()

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

        pritext = _('SSL certificate error')
        sectext = _('It seems the SSL certificate of account %(account)s has '
            'changed and is not valid or your connection is being compromised.\n\n'
            'Old SHA-1 fingerprint: '
            '%(old_sha1)s\nOld SHA-256 fingerprint: %(old_sha256)s\n\n'
            'New SHA-1 fingerprint: %(new_sha1)s\nNew SHA-256 fingerprint: '
            '%(new_sha256)s\n\nDo you still want to connect '
            'and update the fingerprint of the certificate?') % \
            {'account': account,
            'old_sha1': app.config.get_per('accounts', account, 'ssl_fingerprint_sha1'),
            'old_sha256': app.config.get_per('accounts', account, 'ssl_fingerprint_sha256'),
            'new_sha1': obj.new_fingerprint_sha1,
            'new_sha256': obj.new_fingerprint_sha256}
        if 'fingerprint_error' in self.instances[account]['online_dialog']:
            self.instances[account]['online_dialog']['fingerprint_error'].\
                destroy()
        self.instances[account]['online_dialog']['fingerprint_error'] = \
            dialogs.CheckFingerprintDialog(pritext, sectext, on_response_yes=on_yes,
            on_response_no=on_no, account=obj.conn.name,
            certificate=obj.certificate)

    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'] = \
            dialogs.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'] = \
            dialogs.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'] = \
            dialogs.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],
            'atom-entry-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],
            'failed-decrypt': [(self.handle_event_failed_decrypt, ged.GUI2)],
            'file-request-error': [self.handle_event_file_request_error],
            'file-request-received': [self.handle_event_file_request],
            'fingerprint-error': [self.handle_event_fingerprint_error],
            'gc-invitation-received': [self.handle_event_gc_invitation],
            'gc-decline-received': [self.handle_event_gc_decline],
            'gc-presence-received': [self.handle_event_gc_presence],
            'gc-message-received': [self.handle_event_gc_message],
            '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],
            'register-agent-info-received': [self.handle_event_register_agent_info],
            '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 type(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
        session = None

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

        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
            else:
                ctrl = self.msg_win_mgr.get_gc_control(jid, account)

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

            if type_ != '':
                event = app.events.get_first_event(account, fjid, type_)
                if not event:
                    event = app.events.get_first_event(account, jid, type_)
                if not event:
                    return

            if type_ == 'printed_chat':
                ctrl = event.control
            elif type_ == 'chat':
                session = event.session
                ctrl = session.control
            elif type_ == '':
                ctrl = self.msg_win_mgr.get_control(fjid, account)

            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

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

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

            w = ctrl.parent_win
        elif type_ in ('printed_pm', 'pm'):
            # assume that the most recently updated control we have for this
            # party is the one that this event was in
            event = app.events.get_first_event(account, fjid, type_)
            if not event:
                event = app.events.get_first_event(account, jid, type_)
            if not event:
                return

            if type_ == 'printed_pm':
                ctrl = event.control
            elif type_ == 'pm':
                session = event.session

            if session and session.control:
                ctrl = session.control
            elif 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)

                if not session:
                    session = app.connections[account].make_new_session(
                        fjid, None, type_='pm')

                self.new_private_chat(gc_contact, account, session=session)
                ctrl = session.control

            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_)
            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_)
            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_)
            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.get_window().focus(Gtk.get_current_event_time())
            # Using isinstance here because we want to catch all derived types
            if isinstance(ctrl, ChatControlBase):
                tv = ctrl.conv_textview
                tv.scroll_to_end_iter()

################################################################################
### 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 + re.UNICODE)
        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 mathces beginning of lines so we have correct formatting detection
        # even if the 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

        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

        emoticons_pattern = ''
        if app.config.get('emoticons_theme'):
            # When an emoticon is bordered by an alpha-numeric character it is
            # NOT expanded.  e.g., foo:) NO, foo :) YES, (brb) NO, (:)) YES, etc
            # We still allow multiple emoticons side-by-side like :P:P:P
            # sort keys by length so :qwe emot is checked before :q
            keys = sorted(emoticons.codepoints.keys(), key=len, reverse=True)
            emoticons_pattern_prematch = ''
            emoticons_pattern_postmatch = ''
            emoticon_length = 0
            for emoticon in keys: # travel thru emoticons list
                emoticon_escaped = re.escape(emoticon) # espace regexp metachars
                # | means or in regexp
                emoticons_pattern += emoticon_escaped + '|'
                if (emoticon_length != len(emoticon)):
                    # Build up expressions to match emoticons next to others
                    emoticons_pattern_prematch  = \
                        emoticons_pattern_prematch[:-1]  + ')|(?<='
                    emoticons_pattern_postmatch = \
                        emoticons_pattern_postmatch[:-1] + ')|(?='
                    emoticon_length = len(emoticon)
                emoticons_pattern_prematch += emoticon_escaped  + '|'
                emoticons_pattern_postmatch += emoticon_escaped + '|'
            # We match from our list of emoticons, but they must either have
            # whitespace, or another emoticon next to it to match successfully
            # [\w.] alphanumeric and dot (for not matching 8) in (2.8))
            emoticons_pattern = '|' + r'(?:(?<![\w.]' + \
                emoticons_pattern_prematch[:-1] + '))' + '(?:' + \
                emoticons_pattern[:-1] + ')' + r'(?:(?![\w]' + \
                emoticons_pattern_postmatch[:-1] + '))'

        # because emoticons match later (in the string) they need to be after
        # basic matches that may occur earlier
        self.emot_and_basic = basic_pattern + emoticons_pattern

        # needed for xhtml display
        self.emot_only = emoticons_pattern

        # 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]'

    def init_emoticons(self):
        emot_theme = app.config.get('emoticons_theme')
        ascii_emoticons = app.config.get('ascii_emoticons')
        if not emot_theme:
            return

        transient_for = None
        if 'preferences' in app.interface.instances:
            transient_for = app.interface.instances['preferences'].window

        path = os.path.join(app.DATA_DIR, 'emoticons', emot_theme)
        if not os.path.exists(path):
            # It's maybe a user theme
            path = os.path.join(app.MY_EMOTS_PATH, emot_theme)
            if not os.path.exists(path):
                # theme doesn't exist, disable emoticons
                dialogs.WarningDialog(_('Emoticons disabled'),
                    _('Your configured emoticons theme has not been found, so '
                    'emoticons have been disabled.'),
                    transient_for=transient_for)
                app.config.set('emoticons_theme', '')
                return
        if not emoticons.load(path, ascii_emoticons):
            dialogs.WarningDialog(
                    _('Emoticons disabled'),
                    _('Your configured emoticons theme could not be loaded.'
                      ' See the log for more details.'),
                    transient_for=transient_for)
            app.config.set('emoticons_theme', '')
            return

################################################################################
### 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():
            dialogs.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, '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)
            dialogs.ErrorDialog(_('You are already in group chat %s') % \
                room_jid)
            return

        invisible_show = app.SHOW_LIST.index('invisible')
        if app.connections[account].connected == invisible_show:
            dialogs.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, name=nick)
                gc_control = GroupchatControl(None, contact, 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,
            name=nick)
        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, 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 not len(sessions) == 0:
                # 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 len(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 len(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]
        GLib.idle_add(mw.window.grab_focus)

        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
################################################################################

    @staticmethod
    def change_awn_icon_status(status):
        if not dbus_support.supported:
            # do nothing if user doesn't have D-Bus bindings
            return
        try:
            bus = dbus.SessionBus()
            if not 'com.google.code.Awn' in bus.list_names():
                # Awn is not installed
                return
        except Exception:
            return
        iconset = app.config.get('iconset')
        prefix = os.path.join(helpers.get_iconset_path(iconset), '32x32')
        if status in ('chat', 'away', 'xa', 'dnd', 'invisible', 'offline'):
            status = status + '.png'
        elif status == 'online':
            prefix = ''
            status = gtkgui_helpers.get_icon_path('org.gajim.Gajim', 32)
        path = os.path.join(prefix, status)
        try:
            obj = bus.get_object('com.google.code.Awn', '/com/google/code/Awn')
            awn = dbus.Interface(obj, 'com.google.code.Awn')
            awn.SetTaskIconByName('Gajim', os.path.abspath(path))
        except Exception:
            pass

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

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

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

        is_paused = hasattr(music_track_info, 'paused') and \
            music_track_info.paused == 0
        if not music_track_info or is_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].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].send_tune(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 self.sleeper.poll():
            # idle detection is not supported in that OS
            return False # stop looping in vain
        state = self.sleeper.getState()
        for account in app.connections:
            if account not in app.sleeper_state or \
            not app.sleeper_state[account]:
                continue
            if state == sleepy.STATE_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 state == sleepy.STATE_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 state == sleepy.STATE_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 not show in app.SHOW_LIST:
                    continue
                if not show 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:
            message = 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) miliseconds. Check for idlequeue timeouts
        """
        try:
            app.idlequeue.process()
        except Exception:
            # Otherwise, an exception will stop our loop

            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)
            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
            dialogs.ErrorDialog(_('Could not save your settings and '
                'preferences'), err_str)
            sys.exit()

    @staticmethod
    def update_avatar(account=None, jid=None, contact=None):
        if 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):
        if data is None:
            return

        if publish:
            pixbuf = gtkgui_helpers.get_pixbuf_from_data(data)
            if pixbuf is None:
                return
            pixbuf = pixbuf.scale_simple(AvatarSize.PROFILE,
                                         AvatarSize.PROFILE,
                                         GdkPixbuf.InterpType.BILINEAR)
            publish_path = os.path.join(app.AVATAR_PATH, '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(app.AVATAR_PATH, 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, publish=False):
        if filename is None or '':
            return

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

        try:
            sha = app.avatar_cache[filename][size]
            return sha
        except KeyError:
            pass

        path = os.path.join(app.AVATAR_PATH, filename)
        if not os.path.isfile(path):
            return

        pixbuf = None
        try:
            if size is not None:
                pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(
                    path, size, size)
            else:
                pixbuf = GdkPixbuf.Pixbuf.new_from_file(path)
        except GLib.GError as error:
            app.log('avatar').info(
                'loading avatar %s failed. Try to convert '
                'avatar image using pillow', filename)
            try:
                avatar = Image.open(path).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:
                pixbuf = pixbuf.scale_simple(
                    size, size, GdkPixbuf.InterpType.BILINEAR)

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

        return pixbuf

    def auto_join_bookmarks(self, account):
        """
        Autojoin bookmarked GCs that have 'auto join' on for this account
        """
        for bm in app.connections[account].bookmarks:
            if bm['autojoin'] in ('1', 'true'):
                jid = bm['jid']
                # Only join non-opened groupchats. Opened one are already
                # auto-joined on re-connection
                if not jid in app.gc_connected[account]:
                    # we are not already connected
                    minimize = bm['minimize'] in ('1', 'true')
                    self.join_gc_room(account, jid, bm['nick'],
                        bm['password'], minimize = minimize)
                elif jid in self.minimized_controls[account]:
                    # more or less a hack:
                    # On disconnect the minimized gc contact instances
                    # were set to offline. Reconnect them to show up in the
                    # roster.
                    self.roster.add_groupchat(jid, account)

    def add_gc_bookmark(self, account, name, jid, autojoin, minimize, password,
                    nick):
        """
        Add a bookmark for this account, sorted in bookmark list
        """
        bm = {
                'name': name,
                'jid': jid,
                'autojoin': autojoin,
                'minimize': minimize,
                'password': password,
                'nick': nick
        }
        place_found = False
        index = 0
        # check for duplicate entry and respect alpha order
        for bookmark in app.connections[account].bookmarks:
            if bookmark['jid'] == bm['jid']:
                dialogs.ErrorDialog(
                    _('Bookmark already set'),
                    _('Group Chat "%s" is already in your bookmarks.') % \
                    bm['jid'])
                return
            if bookmark['name'] > bm['name']:
                place_found = True
                break
            index += 1
        if place_found:
            app.connections[account].bookmarks.insert(index, bm)
        else:
            app.connections[account].bookmarks.append(bm)
        app.connections[account].store_bookmarks()
        gui_menu_builder.build_bookmark_menu(account)
        dialogs.InformationDialog(
            _('Bookmark has been added successfully'),
            _('You can manage your bookmarks via Actions menu in your roster.'))


    # 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 isinstance(pep_obj, pep.UserMoodPEP):
            received_mood = pep_obj._pep_specific_data['mood']
            mood = received_mood if received_mood in pep.MOODS else 'unknown'
            return gtkgui_helpers.load_mood_icon(mood).get_pixbuf()
        elif isinstance(pep_obj, pep.UserTunePEP):
            path = os.path.join(app.DATA_DIR, 'emoticons', 'static', 'music.png')
            return GdkPixbuf.Pixbuf.new_from_file(path)
        elif isinstance(pep_obj, pep.UserActivityPEP):
            pep_ = pep_obj._pep_specific_data
            activity = pep_['activity']

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

            if has_known_activity:
                if has_known_subactivity:
                    subactivity = pep_['subactivity']
                    return gtkgui_helpers.load_activity_icon(activity,
                        subactivity).get_pixbuf()
                else:
                    return gtkgui_helpers.load_activity_icon(activity).\
                        get_pixbuf()
            else:
                return gtkgui_helpers.load_activity_icon('unknown').get_pixbuf()
        elif isinstance(pep_obj, pep.UserLocationPEP):
            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 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()

        self.roster._before_fill()
        for account in app.connections:
            app.connections[account].load_roster_from_db()
        self.roster._after_fill()

        # get instances for windows/dialogs that will show_all()/hide()
        self.instances['file_transfers'] = dialogs.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
                    self.remote_ctrl = remote_control.Remote()
                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.default_colors = {
                'inmsgcolor': app.config.get('inmsgcolor'),
                'outmsgcolor': app.config.get('outmsgcolor'),
                'inmsgtxtcolor': app.config.get('inmsgtxtcolor'),
                'outmsgtxtcolor': app.config.get('outmsgtxtcolor'),
                'statusmsgcolor': app.config.get('statusmsgcolor'),
                'urlmsgcolor': app.config.get('urlmsgcolor'),
                'markedmsgcolor': app.config.get('markedmsgcolor'),
        }

        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
        self.emot_only = 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', True)

        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 len(app.config.get_per('statusmsg')) == 0:
            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 default themes if there is not in the config file
        theme = app.config.get('roster_theme')
        if not theme in app.config.get_per('themes'):
            app.config.set('roster_theme', _('default'))
        if len(app.config.get_per('themes')) == 0:
            d = ['accounttextcolor', 'accountbgcolor', 'accountfont',
                'accountfontattrs', 'grouptextcolor', 'groupbgcolor',
                'groupfont', 'groupfontattrs', 'contacttextcolor',
                'contactbgcolor', 'contactfont', 'contactfontattrs',
                'bannertextcolor', 'bannerbgcolor']

            default = app.config.themes_default
            for theme_name in default:
                app.config.add_per('themes', theme_name)
                theme = default[theme_name]
                for o in d:
                    app.config.set_per('themes', theme_name, o,
                        theme[d.index(o)])
        # Add Tor proxy if there is not in the config
        if len(app.config.get_per('proxies')) == 0:
            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.idlequeue)
        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()

        if app.config.get_per('accounts', app.ZEROCONF_ACC_NAME, 'active') \
        and app.HAVE_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.encrypted_chats[a] = []
            app.last_message_time[a] = {}
            app.status_before_autoaway[a] = ''
            app.transport_avatar[a] = {}
            app.gajim_optional_features[a] = []
            app.caps_hash[a] = ''

        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.remote_ctrl = None

        from gajim import network_watcher

        if dbus_support.supported:
            from gajim import upower_listener
            from gajim import logind_listener

        # Handle gnome screensaver
        if dbus_support.supported:
            def gnome_screensaver_ActiveChanged_cb(active):
                if not active:
                    for account in app.connections:
                        if app.account_is_connected(account) and \
                        app.sleeper_state[account] == 'autoaway-forced':
                            # We came back online ofter gnome-screensaver
                            # autoaway
                            self.roster.send_status(account, 'online',
                                app.status_before_autoaway[account])
                            app.status_before_autoaway[account] = ''
                            app.sleeper_state[account] = 'online'
                    return
                if not app.config.get('autoaway'):
                    # Don't go auto away if user disabled the option
                    return
                for account in app.connections:
                    if account not in app.sleeper_state or \
                                    not app.sleeper_state[account]:
                        continue
                    if app.sleeper_state[account] == 'online':
                        if not app.account_is_connected(account):
                            continue
                        # 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('autoxatime')}
                        self.roster.send_status(account, 'away', auto_message,
                            auto=True)
                        app.sleeper_state[account] = 'autoaway-forced'

            try:
                bus = dbus.SessionBus()
                bus.add_signal_receiver(gnome_screensaver_ActiveChanged_cb,
                    'ActiveChanged', 'org.gnome.ScreenSaver')
            except Exception:
                pass

        self.show_vcard_when_connect = []

        self.sleeper = sleepy.Sleepy(
            app.config.get('autoawaytime') * 60, # make minutes to seconds
            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)

        self.init_emoticons()
        self.make_regexps()

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

        if app.config.get('soundplayer') == '':
            # only on first time Gajim starts
            commands = ('paplay', 'aplay', 'play', 'ossplay')
            for command in commands:
                if helpers.is_in_path(command):
                    if command == 'paplay':
                        command += ' -n gajim --property=media.role=event'
                    if command in ('aplay', 'play'):
                        command += ' -q'
                    elif command == 'ossplay':
                        command += ' -qq'
                    app.config.set('soundplayer', command)
                    break

        self.last_ftwindow_update = 0

        self.music_track_changed_signal = None


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 len(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
            elif result == 'expired':
                dialogs.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()