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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 config import config
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from tab import MucTab, InfoTab, PrivateTab, RosterInfoTab, ConversationTab
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from logger import logger
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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, "Info") if self.xmpp.anon\
            else RosterInfoTab(self)
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        default_tab.on_gain_focus()
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        self.tabs = [default_tab]
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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.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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        # global commands, available from all tabs (having an input, of course)
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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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            '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)")),
            '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>.")),
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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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            '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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            }

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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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            'kLFT3': self.rotate_rooms_left,
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            "KEY_F(6)": self.rotate_rooms_right,
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            "^N": self.rotate_rooms_right,
            'kRIT3': 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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            "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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    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()
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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()
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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']
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        for tab in self.tabs:
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            if tab.get_name() == jid_from.full: # check all the MUC we are in
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                if message['type'] == 'error':
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                    return self.room_error(message, tab.get_room().name)
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                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']
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        nick_from = jid.resource
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        room_from = jid.bare
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        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
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            room = self.open_private_window(room_from, nick_from, False)
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            if not room:
                return
        body = message['body']
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        room.add_message(body, time=None, nickname=nick_from,
                         colorized=False,
                         forced_user=self.get_room_by_name(room_from).get_user_by_name(nick_from))
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        self.refresh_window()
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        self.doupdate()
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    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)
        """
458
        jid = message['from']
459 460 461
        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)
474
        self.refresh_window()
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        return

    def on_presence(self, presence):
        """
        """
480
        jid = presence['from']
481
        contact = roster.get_contact_by_jid(jid.bare)
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        if not contact:
            return
        resource = contact.get_resource_by_fulljid(jid.full)
        if not resource:
            return
        status = presence['type']
488
        status_message = presence['status']
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        priority = presence.getPriority() or 0
        resource.set_presence(status)
        resource.set_priority(priority)
492
        resource.set_status(status_message)
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        if isinstance(self.current_tab(), RosterInfoTab):
            self.refresh_window()
495

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    def on_roster_update(self, iq):
        """
        A subscription changed, or we received a roster item
        after a roster request, etc
        """
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        for item in iq.findall('{jabber:iq:roster}query/{jabber:iq:roster}item'):
            jid = item.attrib['jid']
503
            contact = roster.get_contact_by_jid(jid)
504 505
            if not contact:
                contact = Contact(jid)
506
                roster.add_contact(contact, jid)
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            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)
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            if item.attrib['subscription']:
                contact.set_subscription(item.attrib['subscription'])
            groups = item.findall('{jabber:iq:roster}group')
518
            roster.edit_groups_of_contact(contact, [group.text for group in groups])
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        if isinstance(self.current_tab(), RosterInfoTab):
            self.refresh_window()
521

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    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(0.1, self.resize_window)
            self.resize_timer.start()
        # self.resize_window()
538

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    def resize_window(self):
        """
        Resize the whole screen
        """
543
        with resize_lock:
544
           # self.resize_timer = None
545
            for tab in self.tabs:
546
                tab.resize()
547
            self.refresh_window()
548

549
    def main_loop(self):
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        """
        main loop waiting for the user to press a key
        """
553
        self.refresh_window()
554
        while self.running:
555
            self.doupdate()
556
            char=read_char(self.stdscr)
557
            # search for keyboard shortcut
558
            if char in list(self.key_func.keys()):
559
                self.key_func[char]()
560
            else:
561
                self.do_command(char)
562

563
    def current_tab(self):
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        """
        returns the current room, the one we are viewing
        """
567
        return self.tabs[0]
568

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    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

588
    def get_room_by_name(self, name):
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        """
        returns the room that has this name
        """
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        for tab in self.tabs:
            if (isinstance(tab, MucTab) or
                isinstance(tab, PrivateTab)) and tab.get_name() == name:
                return tab.get_room()
596
        return None
597

598
    def init_curses(self, stdscr):
599 600 601
        """
        ncurses initialization
        """
602
        curses.curs_set(1)
603
        curses.noecho()
604 605
        # curses.raw()
        theme.init_colors()
606
        stdscr.keypad(True)
607

608
    def reset_curses(self):
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        """
        Reset terminal capabilities to what they were before ncurses
        init
        """
        curses.echo()
614
        curses.nocbreak()
615
        curses.endwin()
616

617 618 619 620
    def refresh_window(self):
        """
        Refresh everything
        """
621
        self.current_tab().set_color_state(theme.COLOR_TAB_CURRENT)
622
        self.current_tab().refresh(self.tabs, self.information_buffer, roster)
623
        self.doupdate()
624

625
    def open_new_room(self, room, nick, focus=True):
626
        """
627
        Open a new MucTab containing a muc Room, using the specified nick
628
        """
629
        r = Room(room, nick)
630
        new_tab = MucTab(self, r)
631 632
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
633
        else:
634 635 636
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
637
                    break
638
        if focus:
639
            self.command_win("%s" % new_tab.nb)
640
        self.refresh_window()
641

642 643 644 645 646 647
    def go_to_roster(self):
        self.command_win('0')

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

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    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
        """
655 656 657
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_PRIVATE:
                self.command_win('%s' % tab.nb)
658
                return
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        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_HIGHLIGHT:
                self.command_win('%s' % tab.nb)
662
                return
663 664 665
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_NEW_MESSAGE:
                self.command_win('%s' % tab.nb)
666
                return
667

668
    def rotate_rooms_right(self, args=None):
669 670 671
        """
        rotate the rooms list to the right
        """
672 673 674
        self.current_tab().on_lose_focus()
        self.tabs.append(self.tabs.pop(0))
        self.current_tab().on_gain_focus()
675
        self.refresh_window()
676

677
    def rotate_rooms_left(self, args=None):
678 679 680
        """
        rotate the rooms list to the right
        """
681 682 683
        self.current_tab().on_lose_focus()
        self.tabs.insert(0, self.tabs.pop())
        self.current_tab().on_gain_focus()
684
        self.refresh_window()
685

686
    def scroll_page_down(self, args=None):
687
        self.current_tab().on_scroll_down()
688
        self.refresh_window()
689 690

    def scroll_page_up(self, args=None):
691
        self.current_tab().on_scroll_up()
692
        self.refresh_window()
693

694
    def room_error(self, error, room_name):
695 696 697
        """
        Display the error on the room window
        """
698 699 700 701 702 703
        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:
704
            if code in list(ERROR_AND_STATUS_CODES.keys()):
705 706
                body = ERROR_AND_STATUS_CODES[code]
            else:
707 708
                body = condition or _('Unknown error')
        if code:
709 710
            msg = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
            self.add_message_to_text_buffer(room, msg)
711
        else:
712 713
            msg = _('Error: %(msg)s: %(body)s') % {'msg':msg, 'body':body}
            self.add_message_to_text_buffer(room, msg)
714
        if code == '401':
715 716
            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)
717
        if code == '409':
718 719 720
            if config.get('alternative_nickname', '') != '':
                self.command_join('%s/%s'% (room.name, room.own_nick+config.get('alternative_nickname', '')))
            else:
721
                self.add_message_to_text_buffer(room, _('You can join the room with an other nick, by typing "/join /other_nick"'))
722
        self.refresh_window()
723

724
    def open_conversation_window(self, jid, focus=True):
725 726 727
        """
        open a new conversation tab and focus it if needed
        """
728
        text_buffer = TextBuffer()
729
        new_tab = ConversationTab(self, text_buffer, jid)
730 731 732 733 734 735 736 737 738 739 740
        # 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()
741
        return new_tab
742

743
    def open_private_window(self, room_name, user_nick, focus=True):
744
        complete_jid = room_name+'/'+user_nick
745 746 747 748
        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)
749 750
                    return
        # create the new tab
751
        room = self.get_room_by_name(room_name)
752 753 754
        if not room:
            return None
        own_nick = room.own_nick
755
        r = Room(complete_jid, own_nick) # PrivateRoom here
756
        new_tab = PrivateTab(self, r)
757
        # insert it in the tabs
758 759
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
760
        else:
761 762 763
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
764 765
                    break
        if focus:               # focus the room if needed
766
            self.command_win('%s' % (new_tab.nb))
767
        # self.window.new_room(r)
768
        self.refresh_window()
769 770
        return r

771 772 773 774 775 776 777 778 779 780
    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
781
        self.add_message_to_text_buffer(room, _("%(nick)s set the subject to: %(subject)s") % {'nick':nick_from, 'subject':subject}, time=None)
782 783 784
        room.topic = subject.replace('\n', '|')
        self.refresh_window()

785
    def on_groupchat_message(self, message):
786
        """
787
        Triggered whenever a message is received from a multi-user chat room.
788
        """
789 790
        delay_tag = message.find('{urn:xmpp:delay}delay')
        if delay_tag is not None:
791
            delayed = True
792
            date = common.datetime_tuple(delay_tag.attrib['stamp'])
793
        else:
794 795
            # We support the OLD and deprecated XEP: http://xmpp.org/extensions/xep-0091.html
            # But it sucks, please, Jabber servers, don't do this :(
796 797
            delay_tag = message.find('{jabber:x:delay}x')
            if delay_tag is not None:
798
                delayed = True
799
                date = common.datetime_tuple(delay_tag.attrib['stamp'])
800 801
            else:
                delayed = False
802
                date = None