core.py 58.5 KB
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# Copyright 2010 Le Coz Florent <louiz@louiz.org>
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#
# This file is part of Poezio.
#
# Poezio 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 of the License.
#
# Poezio 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 Poezio.  If not, see <http://www.gnu.org/licenses/>.

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from gettext import (bindtextdomain, textdomain, bind_textdomain_codeset,
                     gettext as _)
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from os.path import isfile
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from time import sleep

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import os
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import re
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import sys
import shlex
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import curses
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import threading
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import webbrowser

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from datetime import datetime
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import common
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import theme
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import logging

log = logging.getLogger(__name__)
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import multiuserchat as muc
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from connection import connection
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from handler import Handler
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from config import config
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from tab import MucTab, InfoTab, PrivateTab, RosterInfoTab, ConversationTab
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from user import User
from room import Room
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from roster import Roster, RosterGroup, roster
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from contact import Contact, Resource
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from message import Message
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from text_buffer import TextBuffer
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from keyboard import read_char
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from common import jid_get_domain, is_jid
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# http://xmpp.org/extensions/xep-0045.html#errorstatus
ERROR_AND_STATUS_CODES = {
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    '401': _('A password is required'),
    '403': _('You are banned from the room'),
    '404': _('The room does\'nt exist'),
    '405': _('Your are not allowed to create a new room'),
    '406': _('A reserved nick must be used'),
    '407': _('You are not in the member list'),
    '409': _('This nickname is already in use or has been reserved'),
    '503': _('The maximum number of users has been reached'),
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    }

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SHOW_NAME = {
    'dnd': _('busy'),
    'away': _('away'),
    'xa': _('not available'),
    'chat': _('chatty'),
    '': _('available')
    }
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resize_lock = threading.Lock()

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class Core(object):
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    """
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    User interface using ncurses
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    """
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    def __init__(self, xmpp):
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        self.running = True
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        self.stdscr = curses.initscr()
        self.init_curses(self.stdscr)
        self.xmpp = xmpp
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        default_tab = InfoTab(self.stdscr, self, "Info") if self.xmpp.anon\
            else RosterInfoTab(self.stdscr, self)
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        default_tab.on_gain_focus()
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        self.tabs = [default_tab]
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        # self.roster = Roster()
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        # a unique buffer used to store global informations
        # that are displayed in almost all tabs, in an
        # information window.
        self.information_buffer = TextBuffer()
        self.information_win_size = 2 # Todo, get this from config
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        self.ignores = {}
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        self.resize_timer = None
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        self.previous_tab_nb = 0
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        self.own_nick = config.get('own_nick', self.xmpp.boundjid.bare)
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        self.commands = {
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            'help': (self.command_help, '\_o< KOIN KOIN KOIN'),
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            'join': (self.command_join, _("Usage: /join [room_name][@server][/nick] [password]\nJoin: Join the specified room. You can specify a nickname after a slash (/). If no nickname is specified, you will use the default_nick in the configuration file. You can omit the room name: you will then join the room you\'re looking at (useful if you were kicked). You can also provide a room_name without specifying a server, the server of the room you're currently in will be used. You can also provide a password to join the room.\nExamples:\n/join room@server.tld\n/join room@server.tld/John\n/join room2\n/join /me_again\n/join\n/join room@server.tld/my_nick password\n/join / password")),
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            'quit': (self.command_quit, _("Usage: /quit\nQuit: Just disconnect from the server and exit poezio.")),
            'exit': (self.command_quit, _("Usage: /exit\nExit: Just disconnect from the server and exit poezio.")),
            'next': (self.rotate_rooms_right, _("Usage: /next\nNext: Go to the next room.")),
            'n': (self.rotate_rooms_right, _("Usage: /n\nN: Go to the next room.")),
            'prev': (self.rotate_rooms_left, _("Usage: /prev\nPrev: Go to the previous room.")),
            'p': (self.rotate_rooms_left, _("Usage: /p\nP: Go to the previous room.")),
            'win': (self.command_win, _("Usage: /win <number>\nWin: Go to the specified room.")),
            'w': (self.command_win, _("Usage: /w <number>\nW: Go to the specified room.")),
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            'ignore': (self.command_ignore, _("Usage: /ignore <nickname> \nIgnore: Ignore a specified nickname.")),
            'unignore': (self.command_unignore, _("Usage: /unignore <nickname>\nUnignore: Remove the specified nickname from the ignore list.")),
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            'part': (self.command_part, _("Usage: /part [message]\n Part: disconnect from a room. You can specify an optional message.")),
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            'show': (self.command_show, _("Usage: /show <availability> [status]\nShow: Change your availability and (optionaly) your status. The <availability> argument is one of \"avail, available, ok, here, chat, away, afk, dnd, busy, xa\" and the optional [status] argument will be your status message")),
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            'away': (self.command_away, _("Usage: /away [message]\nAway: Sets your availability to away and (optional) sets your status message. This is equivalent to '/show away [message]'")),
            'busy': (self.command_busy, _("Usage: /busy [message]\nBusy: Sets your availability to busy and (optional) sets your status message. This is equivalent to '/show busy [message]'")),
            'avail': (self.command_avail, _("Usage: /avail [message]\nAvail: Sets your availability to available and (optional) sets your status message. This is equivalent to '/show available [message]'")),
            'available': (self.command_avail, _("Usage: /available [message]\nAvailable: Sets your availability to available and (optional) sets your status message. This is equivalent to '/show available [message]'")),
           'bookmark': (self.command_bookmark, _("Usage: /bookmark [roomname][/nick]\nBookmark: Bookmark the specified room (you will then auto-join it on each poezio start). This commands uses the same syntaxe as /join. Type /help join for syntaxe examples. Note that when typing \"/bookmark\" on its own, the room will be bookmarked with the nickname you\'re currently using in this room (instead of default_nick)")),
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            'unquery': (self.command_unquery, _("Usage: /unquery\nClose the private conversation window")),
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            'set': (self.command_set, _("Usage: /set <option> [value]\nSet: Sets the value to the option in your configuration file. You can, for example, change your default nickname by doing `/set default_nick toto` or your resource with `/set resource blabla`. You can also set an empty value (nothing) by providing no [value] after <option>.")),
            'kick': (self.command_kick, _("Usage: /kick <nick> [reason]\nKick: Kick the user with the specified nickname. You also can give an optional reason.")),
            'topic': (self.command_topic, _("Usage: /topic <subject> \nTopic: Change the subject of the room")),
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            'link': (self.command_link, _("Usage: /link [option] [number]\nLink: Interact with a link in the conversation. Available options are 'open', 'copy'. Open just opens the link in the browser if it's http://, Copy just copy the link in the clipboard. An optional number can be provided, it indicates which link to interact with.")),
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            'query': (self.command_query, _('Usage: /query <nick> [message]\nQuery: Open a private conversation with <nick>. This nick has to be present in the room you\'re currently in. If you specified a message after the nickname, it will immediately be sent to this user')),
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            'nick': (self.command_nick, _("Usage: /nick <nickname>\nNick: Change your nickname in the current room")),
            'say': (self.command_say, _('Usage: /say <message>\nSay: Just send the message. Useful if you want your message to begin with a "/"')),
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            'whois': (self.command_whois, _('Usage: /whois <nickname>\nWhois: Request many informations about the user.')),
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            'theme': (self.command_theme, _('Usage: /theme\nTheme: Reload the theme defined in the config file.')),
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            'recolor': (self.command_recolor, _('Usage: /recolor\nRecolor: Re-assign a color to all participants of the current room, based on the last time they talked. Use this if the participants currently talking have too many identical colors.')),
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            }

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        self.key_func = {
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            "KEY_PPAGE": self.scroll_page_up,
            "KEY_NPAGE": self.scroll_page_down,
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            "KEY_F(5)": self.rotate_rooms_left,
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            "^P": self.rotate_rooms_left,
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            "KEY_F(6)": self.rotate_rooms_right,
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            "KEY_F(7)": self.shrink_information_win,
            "KEY_F(8)": self.grow_information_win,
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            "^N": self.rotate_rooms_right,
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            "KEY_RESIZE": self.call_for_resize,
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            'M-e': self.go_to_important_room,
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            'M-r': self.go_to_roster,
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            'M-z': self.go_to_previous_tab,
            'M-v': self.move_separator,
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            }

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        # Add handlers
        self.xmpp.add_event_handler("session_start", self.on_connected)
        self.xmpp.add_event_handler("groupchat_presence", self.on_groupchat_presence)
        self.xmpp.add_event_handler("groupchat_message", self.on_groupchat_message)
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        self.xmpp.add_event_handler("groupchat_subject", self.on_groupchat_subject)
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        self.xmpp.add_event_handler("message", self.on_message)
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        self.xmpp.add_event_handler("got_online" , self.on_got_online)
        self.xmpp.add_event_handler("got_offline" , self.on_got_offline)
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        self.xmpp.add_event_handler("roster_update", self.on_roster_update)
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        self.xmpp.add_event_handler("changed_status", self.on_presence)
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        # self.__debug_fill_roster()

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    def grow_information_win(self):
        """
        """
        if self.information_win_size == 14:
            return
        self.information_win_size += 1
        for tab in self.tabs:
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            tab.on_info_win_size_changed(self.stdscr)
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        self.refresh_window()

    def shrink_information_win(self):
        """
        """
        if self.information_win_size == 0:
            return
        self.information_win_size -= 1
        for tab in self.tabs:
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            tab.on_info_win_size_changed(self.stdscr)
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        self.refresh_window()
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    def on_got_offline(self, presence):
        jid = presence['from']
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        contact = roster.get_contact_by_jid(jid.bare)
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        if not contact:
            return
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        resource = contact.get_resource_by_fulljid(jid.full)
        assert resource
        self.information('%s is offline' % (resource.get_jid()), "Roster")
        contact.remove_resource(resource)
        if isinstance(self.current_tab(), RosterInfoTab):
            self.refresh_window()
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    def on_got_online(self, presence):
        jid = presence['from']
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        contact = roster.get_contact_by_jid(jid.bare)
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        if not contact:
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            # Todo, handle presence comming from contacts not in roster
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            return
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        resource = contact.get_resource_by_fulljid(jid.full)
        assert not resource
        resource = Resource(jid.full)
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        status = presence['type']
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        status_message = presence['status']
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        priority = presence.getPriority() or 0
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        resource.set_status(status_message)
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        resource.set_presence(status)
        resource.set_priority(priority)
        contact.add_resource(resource)
        self.information("%s is online (%s)" % (resource.get_jid().full, status), "Roster")
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    def on_connected(self, event):
        """
        Called when we are connected and authenticated
        """
        self.information(_("Welcome on Poezio \o/!"))
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        self.information(_("Your JID is %s") % self.xmpp.boundjid.full)
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        if not self.xmpp.anon:
            # request the roster
            self.xmpp.getRoster()
            # send initial presence
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            self.xmpp.makePresence().send()
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        rooms = config.get('rooms', '')
        if rooms == '' or not isinstance(rooms, str):
            return
        rooms = rooms.split(':')
        for room in rooms:
            args = room.split('/')
            if args[0] == '':
                return
            roomname = args[0]
            if len(args) == 2:
                nick = args[1]
            else:
                default = os.environ.get('USER') if os.environ.get('USER') else 'poezio'
                nick = config.get('default_nick', '')
                if nick == '':
                    nick = default
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            self.open_new_room(roomname, nick, False)
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            muc.join_groupchat(self.xmpp, roomname, nick)
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        # if not self.xmpp.anon:
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        # Todo: SEND VCARD
        return
        if config.get('jid', '') == '': # Don't send the vcard if we're not anonymous
            self.vcard_sender.start()   # because the user ALREADY has one on the server

    def on_groupchat_presence(self, presence):
        """
        Triggered whenever a presence stanza is received from a user in a multi-user chat room.
        Display the presence on the room window and update the
        presence information of the concerned user
        """
        from_nick = presence['from'].resource
        from_room = presence['from'].bare
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        room = self.get_room_by_name(from_room)
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        code = presence.find('{jabber:client}status')
        status_codes = set([s.attrib['code'] for s in presence.findall('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}status')])
        # Check if it's not an error presence.
        if presence['type'] == 'error':
            return self.room_error(presence, from_room)
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        if not room:
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            return
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        msg = None
        affiliation = presence['muc']['affiliation']
        show = presence['show']
        status = presence['status']
        role = presence['muc']['role']
        jid = presence['muc']['jid']
        typ = presence['type']
        if not room.joined:     # user in the room BEFORE us.
            # ignore redondant presence message, see bug #1509
            if from_nick not in [user.nick for user in room.users]:
                new_user = User(from_nick, affiliation, show, status, role)
                room.users.append(new_user)
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                if from_nick == room.own_nick:
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                    room.joined = True
                    new_user.color = theme.COLOR_OWN_NICK
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                    self.add_message_to_text_buffer(room, _("Your nickname is %s") % (from_nick))
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                    if '170' in status_codes:
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                        self.add_message_to_text_buffer(room, 'Warning: this room is publicly logged')
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        else:
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            change_nick = '303' in status_codes
            kick = '307' in status_codes and typ == 'unavailable'
            user = room.get_user_by_name(from_nick)
            # New user
            if not user:
                self.on_user_join(room, from_nick, affiliation, show, status, role, jid)
            # nick change
            elif change_nick:
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                self.on_user_nick_change(room, presence, user, from_nick, from_room)
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            # kick
            elif kick:
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                self.on_user_kicked(room, presence, user, from_nick)
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            # user quit
            elif typ == 'unavailable':
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                self.on_user_leave_groupchat(room, user, jid, status, from_nick, from_room)
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            # status change
            else:
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                self.on_user_change_status(room, user, from_nick, from_room, affiliation, role, show, status)
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        self.refresh_window()
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        self.doupdate()
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    def on_user_join(self, room, from_nick, affiliation, show, status, role, jid):
        """
        When a new user joins a groupchat
        """
        room.users.append(User(from_nick, affiliation,
                               show, status, role))
        hide_exit_join = config.get('hide_exit_join', -1)
        if hide_exit_join != 0:
            if not jid.full:
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                self.add_message_to_text_buffer(room, _('%(spec)s "[%(nick)s]" joined the room') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_JOIN.replace('"', '\\"')}, colorized=True)
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            else:
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                self.add_message_to_text_buffer(room, _('%(spec)s "[%(nick)s]" "(%(jid)s)" joined the room') % {'spec':theme.CHAR_JOIN.replace('"', '\\"'), 'nick':from_nick.replace('"', '\\"'), 'jid':jid.full}, colorized=True)
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    def on_user_nick_change(self, room, presence, user, from_nick, from_room):
        new_nick = presence.find('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}item').attrib['nick']
        if user.nick == room.own_nick:
            room.own_nick = new_nick
            # also change our nick in all private discussion of this room
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            for _tab in self.tabs:
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                if isinstance(_tab, PrivateTab) and _tab.get_name().split('/', 1)[0] == room.name:
                    _tab.get_room().own_nick = new_nick
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        user.change_nick(new_nick)
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        self.add_message_to_text_buffer(room, _('"[%(old)s]" is now known as "[%(new)s]"') % {'old':from_nick.replace('"', '\\"'), 'new':new_nick.replace('"', '\\"')}, colorized=True)
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        # rename the private tabs if needed
        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room:
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            self.add_message_to_text_buffer(private_room, _('"[%(old_nick)s]" is now known as "[%(new_nick)s]"') % {'old_nick':from_nick.replace('"', '\\"'), 'new_nick':new_nick.replace('"', '\\"')}, colorized=True)
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            new_jid = private_room.name.split('/', 1)[0]+'/'+new_nick
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            private_room.name = new_jid
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    def on_user_kicked(self, room, presence, user, from_nick):
        """
        When someone is kicked
        """
        room.users.remove(user)
        by = presence.find('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}item/{http://jabber.org/protocol/muc#user}actor')
        reason = presence.find('{http://jabber.org/protocol/muc#user}x/{http://jabber.org/protocol/muc#user}item/{http://jabber.org/protocol/muc#user}reason')
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        by = by.attrib['jid'] if by is not None else None
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        reason = reason.text if reason else ''
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        if from_nick == room.own_nick: # we are kicked
            room.disconnect()
            if by:
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                kick_msg = _('%(spec)s [You] have been kicked by "[%(by)s]"') % {'spec': theme.CHAR_KICK.replace('"', '\\"'), 'by':by}
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            else:
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                kick_msg = _('%(spec)s [You] have been kicked.') % {'spec':theme.CHAR_KICK.replace('"', '\\"')}
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            # try to auto-rejoin
            if config.get('autorejoin', 'false') == 'true':
                muc.join_groupchat(self.xmpp, room.name, room.own_nick)
        else:
            if by:
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                kick_msg = _('%(spec)s "[%(nick)s]" has been kicked by "[%(by)s]"') % {'spec':theme.CHAR_KICK.replace('"', '\\"'), 'nick':from_nick.replace('"', '\\"'), 'by':by.replace('"', '\\"')}
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            else:
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                kick_msg = _('%(spec)s "[%(nick)s]" has been kicked') % {'spec':theme.CHAR_KICK, 'nick':from_nick.replace('"', '\\"')}
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        if reason:
            kick_msg += _(' Reason: %(reason)s') % {'reason': reason}
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        self.add_message_to_text_buffer(room, kick_msg, colorized=True)
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    def on_user_leave_groupchat(self, room, user, jid, status, from_nick, from_room):
        """
        When an user leaves a groupchat
        """
        room.users.remove(user)
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        if room.own_nick == user.nick:
            # We are now out of the room. Happens with some buggy (? not sure) servers
            room.disconnect()
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        hide_exit_join = config.get('hide_exit_join', -1) if config.get('hide_exit_join', -1) >= -1 else -1
        if hide_exit_join == -1 or user.has_talked_since(hide_exit_join):
            if not jid.full:
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                leave_msg = _('%(spec)s "[%(nick)s]" has left the room') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_QUIT.replace('"', '\\"')}
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            else:
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                leave_msg = _('%(spec)s "[%(nick)s]" "(%(jid)s)" has left the room') % {'spec':theme.CHAR_QUIT.replace('"', '\\"'), 'nick':from_nick.replace('"', '\\"'), 'jid':jid.full.replace('"', '\\"')}
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            if status:
                leave_msg += ' (%s)' % status
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            self.add_message_to_text_buffer(room, leave_msg, colorized=True)
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        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room:
            if not status:
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                self.add_message_to_text_buffer(private_room, _('%(spec)s "[%(nick)s]" has left the room') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_QUIT.replace('"', '\\"')}, colorized=True)
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            else:
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                self.add_message_to_text_buffer(private_room, _('%(spec)s "[%(nick)s]" has left the room "(%(status)s)"') % {'nick':from_nick.replace('"', '\\"'), 'spec':theme.CHAR_QUIT, 'status': status.replace('"', '\\"')}, colorized=True)
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    def on_user_change_status(self, room, user, from_nick, from_room, affiliation, role, show, status):
        """
        When an user changes her status
        """
        # build the message
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        display_message = False # flag to know if something significant enough
        # to be displayed has changed
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        msg = _('"%s" changed: ')% from_nick.replace('"', '\\"')
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        if affiliation != user.affiliation:
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            msg += _('affiliation: %s, ') % affiliation
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            display_message = True
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        if role != user.role:
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            msg += _('role: %s, ') % role
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            display_message = True
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        if show != user.show and show in list(SHOW_NAME.keys()):
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            msg += _('show: %s, ') % SHOW_NAME[show]
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            display_message = True
        if status and status != user.status:
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            msg += _('status: %s, ') % status
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            display_message = True
        if not display_message:
            return
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        msg = msg[:-2] # remove the last ", "
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        hide_status_change = config.get('hide_status_change', -1) if config.get('hide_status_change', -1) >= -1 else -1
        if (hide_status_change == -1 or \
                user.has_talked_since(hide_status_change) or\
                user.nick == room.own_nick)\
                and\
                (affiliation != user.affiliation or\
                    role != user.role or\
                    show != user.show or\
                    status != user.status):
            # display the message in the room
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            self.add_message_to_text_buffer(room, msg, colorized=True)
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        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room: # display the message in private
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            self.add_message_to_text_buffer(private_room, msg, colorized=True)
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        # finally, effectively change the user status
        user.update(affiliation, show, status, role)

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    def on_message(self, message):
        """
        When receiving private message from a muc OR a normal message
        (from one of our contacts)
        """
        if message['type'] == 'groupchat':
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            return
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        # Differentiate both type of messages, and call the appropriate handler.
        jid_from = message['from']
432 433
        for tab in self.tabs:
            if isinstance(tab, MucTab) and tab.get_name() == jid_from.bare: # check all the MUC we are in
434
                if message['type'] == 'error':
435
                    return self.room_error(message, tab.get_room().name)
436 437
                else:
                    return self.on_groupchat_private_message(message)
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        return self.on_normal_message(message)

    def on_groupchat_private_message(self, message):
        """
        We received a Private Message (from someone in a Muc)
        """
        jid = message['from']
445
        nick_from = jid.resource
446
        room_from = jid.bare
447 448
        room = self.get_room_by_name(jid.full) # get the tab with the private conversation
        if not room: # It's the first message we receive: create the tab
449
            room = self.open_private_window(room_from, nick_from, False)
450 451 452
            if not room:
                return
        body = message['body']
453 454
        self.add_message_to_text_buffer(room, body, None, nick_from)
        self.refresh_window()
455
        self.doupdate()
456

457 458 459 460 461
    def focus_tab_named(self, tab_name):
        for tab in self.tabs:
            if tab.get_name() == tab_name:
                self.command_win('%s' % (tab.nb,))

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    def on_normal_message(self, message):
        """
        When receiving "normal" messages (from someone in our roster)
        """
466
        jid = message['from']
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        body = message['body']
        if not body:
            return
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        # We first check if we have a conversation opened with this precise resource
        conversation = self.get_tab_by_name(jid.full)
        if not conversation:
            # If not, we search for a conversation with the bare jid
            conversation = self.get_tab_by_name(jid.bare)
            if not conversation:
                # We create the conversation with the bare Jid if nothing was found
                conversation = self.open_conversation_window(jid.bare, False)
            # room = self.open_conversation_window(jid, False)
        self.add_message_to_text_buffer(conversation.get_room(), body, None, jid.full)
        if self.current_tab() is not conversation:
            conversation.set_color_state(theme.COLOR_TAB_PRIVATE)
482
        self.refresh_window()
483 484 485 486 487
        return

    def on_presence(self, presence):
        """
        """
488
        jid = presence['from']
489
        log.debug('Presence Received: %s\n' % presence)
490
        contact = roster.get_contact_by_jid(jid.bare)
491
        log.debug('Contact: %s\n' % contact)
492 493 494
        if not contact:
            return
        resource = contact.get_resource_by_fulljid(jid.full)
495
        log.debug('Resource: %s\n' % resource)
496 497 498
        if not resource:
            return
        status = presence['type']
499
        status_message = presence['status']
500 501 502
        priority = presence.getPriority() or 0
        resource.set_presence(status)
        resource.set_priority(priority)
503
        resource.set_status(status_message)
504 505
        if isinstance(self.current_tab(), RosterInfoTab):
            self.refresh_window()
506

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    def __debug_fill_roster(self):
        for i in range(10):
            jid = 'contact%s@fion%s.org'%(i,i)
            contact = Contact(jid)
            contact.set_ask('wat')
            contact.set_subscription('both')
            roster.add_contact(contact, jid)
            contact.set_name('%s %s fion'%(i,i))
            roster.edit_groups_of_contact(contact, ['hello'])
        for i in range(10):
            jid = 'test%s@bernard%s.org'%(i,i)
            contact = Contact(jid)
            contact.set_ask('wat')
            contact.set_subscription('both')
            roster.add_contact(contact, jid)
            contact.set_name('%s test'%(i))
            roster.edit_groups_of_contact(contact, ['hello'])
        for i in range(10):
            jid = 'pouet@top%s.org'%(i)
            contact = Contact(jid)
            contact.set_ask('wat')
            contact.set_subscription('both')
            roster.add_contact(contact, jid)
            contact.set_name('%s oula'%(i))
            roster.edit_groups_of_contact(contact, ['hello'])
        if isinstance(self.current_tab(), RosterInfoTab):
            self.refresh_window()

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    def on_roster_update(self, iq):
        """
        A subscription changed, or we received a roster item
        after a roster request, etc
        """
540 541
        for item in iq.findall('{jabber:iq:roster}query/{jabber:iq:roster}item'):
            jid = item.attrib['jid']
542
            contact = roster.get_contact_by_jid(jid)
543 544
            if not contact:
                contact = Contact(jid)
545
                roster.add_contact(contact, jid)
546 547 548 549
            if 'ask' in item.attrib:
                contact.set_ask(item.attrib['ask'])
            else:
                contact.set_ask(None)
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            if 'name' in item.attrib:
                contact.set_name(item.attrib['name'])
            else:
                contact.set_name(None)
554 555 556
            if item.attrib['subscription']:
                contact.set_subscription(item.attrib['subscription'])
            groups = item.findall('{jabber:iq:roster}group')
557
            roster.edit_groups_of_contact(contact, [group.text for group in groups])
558 559
        if isinstance(self.current_tab(), RosterInfoTab):
            self.refresh_window()
560

561 562 563 564 565 566 567
    def call_for_resize(self):
        """
        Starts a very short timer. If no other terminal resize
        occured in this delay then poezio is REALLY resize.
        This is to avoid multiple unnecessary software resizes (this
        can be heavy on resource on slow computers or networks)
        """
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        # with resize_lock:
            # if self.resize_timer:
            #     # a recent terminal resize occured.
            #     # Cancel the programmed software resize
            #     self.resize_timer.cancel()
            # # add the new timer
            # self.resize_timer = threading.Timer(0.15, self.resize_window)
            # self.resize_timer.start()
        self.resize_window()
577

578 579 580 581
    def resize_window(self):
        """
        Resize the whole screen
        """
582
        with resize_lock:
583
           # self.resize_timer = None
584 585 586
            for tab in self.tabs:
                tab.resize(self.stdscr)
            self.refresh_window()
587

588
    def main_loop(self):
589 590 591
        """
        main loop waiting for the user to press a key
        """
592
        self.refresh_window()
593
        while self.running:
594
            self.doupdate()
595
            char=read_char(self.stdscr)
596
            # search for keyboard shortcut
597
            if char in list(self.key_func.keys()):
598
                self.key_func[char]()
599
            else:
600
                self.do_command(char)
601

602
    def current_tab(self):
603 604 605
        """
        returns the current room, the one we are viewing
        """
606
        return self.tabs[0]
607

608 609 610 611 612 613 614 615 616 617
    def get_conversation_by_jid(self, jid):
        """
        Return the room of the ConversationTab with the given jid
        """
        for tab in self.tabs:
            if isinstance(tab, ConversationTab):
                if tab.get_name() == jid:
                    return tab.get_room()
        return None

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    def get_tab_by_name(self, name):
        """
        Get the tab with the given name.
        """
        for tab in self.tabs:
            if tab.get_name() == name:
                return tab
        return None

627
    def get_room_by_name(self, name):
628 629 630
        """
        returns the room that has this name
        """
631 632 633 634
        for tab in self.tabs:
            if (isinstance(tab, MucTab) or
                isinstance(tab, PrivateTab)) and tab.get_name() == name:
                return tab.get_room()
635
        return None
636

637
    def init_curses(self, stdscr):
638 639 640
        """
        ncurses initialization
        """
641
        curses.curs_set(1)
642
        curses.noecho()
643 644
        # curses.raw()
        theme.init_colors()
645
        stdscr.keypad(True)
646

647
    def reset_curses(self):
648 649 650 651 652
        """
        Reset terminal capabilities to what they were before ncurses
        init
        """
        curses.echo()
653
        curses.nocbreak()
654
        curses.endwin()
655

656 657 658 659
    def refresh_window(self):
        """
        Refresh everything
        """
660
        self.current_tab().set_color_state(theme.COLOR_TAB_CURRENT)
661
        self.current_tab().refresh(self.tabs, self.information_buffer, roster)
662
        self.doupdate()
663

664
    def open_new_room(self, room, nick, focus=True):
665
        """
666
        Open a new MucTab containing a muc Room, using the specified nick
667
        """
668
        r = Room(room, nick)
669
        new_tab = MucTab(self.stdscr, self, r)
670 671
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
672
        else:
673 674 675
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
676
                    break
677
        if focus:
678
            self.command_win("%s" % new_tab.nb)
679
        self.refresh_window()
680

681 682 683 684 685 686
    def go_to_roster(self):
        self.command_win('0')

    def go_to_previous_tab(self):
        self.command_win('%s' % (self.previous_tab_nb,))

687 688 689 690 691 692 693
    def go_to_important_room(self):
        """
        Go to the next room with activity, in this order:
        - A personal conversation with a new message
        - A Muc with an highlight
        - A Muc with any new message
        """
694 695 696
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_PRIVATE:
                self.command_win('%s' % tab.nb)
697
                return
698 699 700
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_HIGHLIGHT:
                self.command_win('%s' % tab.nb)
701
                return
702 703 704
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_NEW_MESSAGE:
                self.command_win('%s' % tab.nb)
705
                return
706

707
    def rotate_rooms_right(self, args=None):
708 709 710
        """
        rotate the rooms list to the right
        """
711 712 713
        self.current_tab().on_lose_focus()
        self.tabs.append(self.tabs.pop(0))
        self.current_tab().on_gain_focus()
714
        self.refresh_window()
715

716
    def rotate_rooms_left(self, args=None):
717 718 719
        """
        rotate the rooms list to the right
        """
720 721 722
        self.current_tab().on_lose_focus()
        self.tabs.insert(0, self.tabs.pop())
        self.current_tab().on_gain_focus()
723
        self.refresh_window()
724

725
    def scroll_page_down(self, args=None):
726
        self.current_tab().on_scroll_down()
727
        self.refresh_window()
728 729

    def scroll_page_up(self, args=None):
730
        self.current_tab().on_scroll_up()
731
        self.refresh_window()
732

733
    def room_error(self, error, room_name):
734 735 736
        """
        Display the error on the room window
        """
737 738 739 740 741 742
        room = self.get_room_by_name(room_name)
        msg = error['error']['type']
        condition = error['error']['condition']
        code = error['error']['code']
        body = error['error']['text']
        if not body:
743
            if code in list(ERROR_AND_STATUS_CODES.keys()):
744 745
                body = ERROR_AND_STATUS_CODES[code]
            else:
746 747
                body = condition or _('Unknown error')
        if code:
748 749
            msg = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
            self.add_message_to_text_buffer(room, msg)
750
        else:
751 752
            msg = _('Error: %(msg)s: %(body)s') % {'msg':msg, 'body':body}
            self.add_message_to_text_buffer(room, msg)
753
        if code == '401':
754 755
            msg = _('To provide a password in order to join the room, type "/join / password" (replace "password" by the real password)')
            self.add_message_to_text_buffer(room, msg)
756
        if code == '409':
757 758 759
            if config.get('alternative_nickname', '') != '':
                self.command_join('%s/%s'% (room.name, room.own_nick+config.get('alternative_nickname', '')))
            else:
760
                self.add_message_to_text_buffer(room, _('You can join the room with an other nick, by typing "/join /other_nick"'))
761
        self.refresh_window()
762

763
    def open_conversation_window(self, jid, focus=True):
764 765 766
        """
        open a new conversation tab and focus it if needed
        """
767 768
        text_buffer = TextBuffer()
        new_tab = ConversationTab(self.stdscr, self, text_buffer, jid)
769 770 771 772 773 774 775 776 777 778 779
        # insert it in the rooms
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
        else:
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
                    break
        if focus:               # focus the room if needed
            self.command_win('%s' % (new_tab.nb))
        self.refresh_window()
780
        return new_tab
781

782
    def open_private_window(self, room_name, user_nick, focus=True):
783
        complete_jid = room_name+'/'+user_nick
784 785 786 787
        for tab in self.tabs: # if the room exists, focus it and return
            if isinstance(tab, PrivateTab):
                if tab.get_name() == complete_jid:
                    self.command_win('%s' % tab.nb)
788 789
                    return
        # create the new tab
790
        room = self.get_room_by_name(room_name)
791 792 793
        if not room:
            return None
        own_nick = room.own_nick
794
        r = Room(complete_jid, own_nick) # PrivateRoom here
795
        new_tab = PrivateTab(self.stdscr, self, r)
796
        # insert it in the tabs
797 798
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
799
        else:
800 801 802
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
803 804
                    break
        if focus:               # focus the room if needed
805
            self.command_win('%s' % (new_tab.nb))
806
        # self.window.new_room(r)
807
        self.refresh_window()
808 809
        return r

810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826
    def on_groupchat_subject(self, message):
        """
        triggered when the topic is changed
        """
        nick_from = message['mucnick']
        room_from = message.getMucroom()
        room = self.get_room_by_name(room_from)
        subject = message['subject']
        if not subject:
            return
        if nick_from:
            self.add_message_to_text_buffer(room, _("%(nick)s changed the subject to: %(subject)s") % {'nick':nick_from, 'subject':subject}, time=None)
        else:
            self.add_message_to_text_buffer(room, _("The subject is: %(subject)s") % {'subject':subject}, time=None)
        room.topic =