core.py 53.8 KB
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# Copyright 2010-2011 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 traceback
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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

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from sleekxmpp.xmlstream.stanzabase import JID

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log = logging.getLogger(__name__)
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import multiuserchat as muc
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import tabs
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import windows
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from connection import connection
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from config import config
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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 text_buffer import TextBuffer
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from keyboard import read_char
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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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        # All uncaught exception are given to this callback, instead
        # of being displayed on the screen and exiting the program.
        sys.excepthook = self.on_exception
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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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        # a unique buffer used to store global informations
        # that are displayed in almost all tabs, in an
        # information window.
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        self.information_buffer = TextBuffer()
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        self.information_win_size = config.get('info_win_height', 2, 'var')
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        default_tab = tabs.InfoTab(self) if self.xmpp.anon\
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            else tabs.RosterInfoTab(self)
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        default_tab.on_gain_focus()
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        self.tabs = [default_tab]
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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', '') or self.xmpp.boundjid.user
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        # global commands, available from all tabs
        # a command is tuple of the form:
        # (the function executing the command. Takes a string as argument,
        #  a string representing the help message,
        #  a completion function, taking a Input as argument. Can be None)
        #  The completion function should return True if a completion was
        #  made ; False otherwise
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        self.commands = {
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            'help': (self.command_help, '\_o< KOIN KOIN KOIN', None),
            '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"), self.completion_join),
            'exit': (self.command_quit, _("Usage: /exit\nExit: Just disconnect from the server and exit poezio."), None),
            'next': (self.rotate_rooms_right, _("Usage: /next\nNext: Go to the next room."), None),
            'n': (self.rotate_rooms_right, _("Usage: /n\nN: Go to the next room."), None),
            'prev': (self.rotate_rooms_left, _("Usage: /prev\nPrev: Go to the previous room."), None),
            'p': (self.rotate_rooms_left, _("Usage: /p\nP: Go to the previous room."), None),
            'win': (self.command_win, _("Usage: /win <number>\nWin: Go to the specified room."), None),
            'w': (self.command_win, _("Usage: /w <number>\nW: Go to the specified room."), None),
            '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"), None),
            '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]'"), None),
            '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]'"), None),
            '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]'"), None),
            '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]'"), None),
           '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)"), None),
            '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>."), None),
            'whois': (self.command_whois, _('Usage: /whois <nickname>\nWhois: Request many informations about the user.'), None),
            'theme': (self.command_theme, _('Usage: /theme\nTheme: Reload the theme defined in the config file.'), None),
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            'list': (self.command_list, _('Usage: /list\n/List: get the list of public chatrooms on the specified server'), self.completion_list),
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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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            '^L': self.full_screen_redraw,
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            }

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        # Add handlers
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        self.xmpp.add_event_handler('connected', self.on_connected)
        self.xmpp.add_event_handler('disconnected', self.on_disconnected)
        self.xmpp.add_event_handler('failed_auth', self.on_failed_auth)
        self.xmpp.add_event_handler("session_start", self.on_session_start)
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        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.information(_('Welcome to poezio!'))
        self.refresh_window()

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    def on_exception(self, typ, value, trace):
        """
        When an exception in raised, open a special tab
        displaying the traceback and some instructions to
        make a bug report.
        """
        try:
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            tb_tab = tabs.SimpleTextTab(self, "/!\ Oups, an error occured (this may not be fatal). /!\\\nPlease report this bug (by copying the present error message and explaining what you were doing) on the page http://codingteam.net/project/poezio/bugs/add\n\n%s\n\nIf Poezio does not respond anymore, kill it with Ctrl+\\, and sorry about that :(" % ''.join(traceback.format_exception(typ, value, trace)))
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            self.add_tab(tb_tab, focus=True)
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        except Exception:       # If an exception is raised in this code,
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                                # this is fatal, so we exit cleanly and display the traceback
            curses.endwin()
            raise

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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")
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        # If a resource got offline, display the message in the conversation with this
        # precise resource.
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        self.add_information_message_to_conversation_tab(jid.full, '%s is offline' % (resource.get_jid().full))
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        contact.remove_resource(resource)
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        # Display the message in the conversation with the bare JID only if that was
        # the only resource online (i.e. now the contact is completely disconnected)
        if not contact.get_highest_priority_resource(): # No resource left: that was the last one
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            self.add_information_message_to_conversation_tab(jid.bare, '%s is offline' % (jid.bare))
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        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)
        self.information("%s is online (%s)" % (resource.get_jid().full, status), "Roster")
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        self.add_information_message_to_conversation_tab(jid.full, '%s is online' % (jid.full))
        if not contact.get_highest_priority_resource():
            # No connected resource yet: the user's just connecting
            self.add_information_message_to_conversation_tab(jid.bare, '%s is online' % (jid.bare))
        contact.add_resource(resource)
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    def add_information_message_to_conversation_tab(self, jid, msg):
        """
        Search for a ConversationTab with the given jid (full or bare), if yes, add
        the given message to it
        """
        tab = self.get_tab_by_name(jid)
        if tab and isinstance(tab, tabs.ConversationTab):
            self.add_message_to_text_buffer(tab.get_room(), msg)

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    def on_failed_connection(self):
        """
        We cannot contact the remote server
        """
        self.information(_("Connection to remote server failed"))

    def on_disconnected(self, event):
        """
        When we are disconnected from remote server
        """
        self.information(_("Disconnected from server."))

    def on_failed_auth(self, event):
        """
        Authentication failed
        """
        self.information(_("Authentication failed."))
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    def on_connected(self, event):
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        """
        Remote host responded, but we are not yet authenticated
        """
        self.information(_("Connected to server."))

    def on_session_start(self, event):
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        """
        Called when we are connected and authenticated
        """
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        self.information(_("Authentication success."))
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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:
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            jid = JID(room)
            if jid.bare == '':
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                return
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            if jid.resource != '':
                nick = jid.resource
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            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(jid.bare, nick, False)
            muc.join_groupchat(self.xmpp, jid.bare, 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, tabs.PrivateTab) and JID(_tab.get_name()).bare == room.name:
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                    _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 = JID(private_room.name).bare+'/'+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('"', '\\"')
452
        if affiliation != user.affiliation:
453
            msg += _('affiliation: %s, ') % affiliation
454
            display_message = True
455
        if role != user.role:
456
            msg += _('role: %s, ') % role
457
            display_message = True
458
        if show != user.show and show in list(SHOW_NAME.keys()):
459
            msg += _('show: %s, ') % SHOW_NAME[show]
460 461
            display_message = True
        if status and status != user.status:
462
            msg += _('status: %s, ') % status
463 464 465
            display_message = True
        if not display_message:
            return
466
        msg = msg[:-2] # remove the last ", "
467 468 469 470 471 472 473 474 475 476
        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
477
            self.add_message_to_text_buffer(room, msg, colorized=True)
478 479
        private_room = self.get_room_by_name('%s/%s' % (from_room, from_nick))
        if private_room: # display the message in private
480
            self.add_message_to_text_buffer(private_room, msg, colorized=True)
481 482 483
        # 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':
490
            return
491 492
        # Differentiate both type of messages, and call the appropriate handler.
        jid_from = message['from']
493
        for tab in self.tabs:
494
            if tab.get_name() == jid_from.bare and isinstance(tab, tabs.MucTab):
495
                if message['type'] == 'error':
496
                    return self.room_error(message, tab.get_room().name)
497 498
                else:
                    return self.on_groupchat_private_message(message)
499 500 501 502 503 504 505
        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']
506
        nick_from = jid.resource
507
        room_from = jid.bare
508 509
        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
510
            room = self.open_private_window(room_from, nick_from, False)
511 512 513
            if not room:
                return
        body = message['body']
514 515 516
        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))
517
        self.refresh_window()
518
        self.doupdate()
519

520 521 522 523 524
    def focus_tab_named(self, tab_name):
        for tab in self.tabs:
            if tab.get_name() == tab_name:
                self.command_win('%s' % (tab.nb,))

525 526 527 528
    def on_normal_message(self, message):
        """
        When receiving "normal" messages (from someone in our roster)
        """
529
        jid = message['from']
530 531 532
        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)
541
        if roster.get_contact_by_jid(jid.bare):
542
            remote_nick = roster.get_contact_by_jid(jid.bare).get_name() or jid.user
543
        else:
544
            remote_nick = jid.user
545
        conversation.get_room().add_message(body, None, remote_nick, False, theme.COLOR_REMOTE_USER)
546 547
        if self.current_tab() is not conversation:
            conversation.set_color_state(theme.COLOR_TAB_PRIVATE)
548
        self.refresh_window()
549 550

    def on_presence(self, presence):
551
        jid = presence['from']
552
        contact = roster.get_contact_by_jid(jid.bare)
553 554 555 556 557 558
        if not contact:
            return
        resource = contact.get_resource_by_fulljid(jid.full)
        if not resource:
            return
        status = presence['type']
559
        status_message = presence['status']
560 561 562
        priority = presence.getPriority() or 0
        resource.set_presence(status)
        resource.set_priority(priority)
563
        resource.set_status(status_message)
564
        self.refresh_window()
565

566 567 568 569 570
    def on_roster_update(self, iq):
        """
        A subscription changed, or we received a roster item
        after a roster request, etc
        """
571 572
        for item in iq.findall('{jabber:iq:roster}query/{jabber:iq:roster}item'):
            jid = item.attrib['jid']
573
            contact = roster.get_contact_by_jid(jid)
574 575
            if not contact:
                contact = Contact(jid)
576
                roster.add_contact(contact, jid)
577 578 579 580
            if 'ask' in item.attrib:
                contact.set_ask(item.attrib['ask'])
            else:
                contact.set_ask(None)
581 582 583 584
            if 'name' in item.attrib:
                contact.set_name(item.attrib['name'])
            else:
                contact.set_name(None)
585 586 587
            if item.attrib['subscription']:
                contact.set_subscription(item.attrib['subscription'])
            groups = item.findall('{jabber:iq:roster}group')
588
            roster.edit_groups_of_contact(contact, [group.text for group in groups])
589
        if isinstance(self.current_tab(), tabs.RosterInfoTab):
590
            self.refresh_window()
591

592 593 594 595 596 597 598
    def full_screen_redraw(self):
        """
        Completely erase and redraw the screen
        """
        self.stdscr.clear()
        self.call_for_resize()

599 600 601 602 603 604 605
    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)
        """
606 607 608 609 610 611 612 613 614
        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()
615

616 617 618 619
    def resize_window(self):
        """
        Resize the whole screen
        """
620 621
        with resize_lock:
            for tab in self.tabs:
622
                tab.resize()
623
            self.refresh_window()
624

625
    def main_loop(self):
626 627 628
        """
        main loop waiting for the user to press a key
        """
629
        curses.ungetch('\n')    # FIXME
630
        while self.running:
631
            char = read_char(self.stdscr)
632
            # search for keyboard shortcut
633
            if char in list(self.key_func.keys()):
634
                self.key_func[char]()
635
            else:
636
                self.do_command(char)
637
            self.doupdate()
638

639
    def current_tab(self):
640 641 642
        """
        returns the current room, the one we are viewing
        """
643
        return self.tabs[0]
644

645 646 647 648 649
    def get_conversation_by_jid(self, jid):
        """
        Return the room of the ConversationTab with the given jid
        """
        for tab in self.tabs:
650
            if isinstance(tab, tabs.ConversationTab):
651 652 653 654
                if tab.get_name() == jid:
                    return tab.get_room()
        return None

655 656 657 658 659 660 661 662 663
    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

664
    def get_room_by_name(self, name):
665 666 667
        """
        returns the room that has this name
        """
668
        for tab in self.tabs:
669
            if (isinstance(tab, tabs.MucTab) or
670
                isinstance(tab, tabs.PrivateTab)) and tab.get_name() == name:
671
                return tab.get_room()
672
        return None
673

674
    def init_curses(self, stdscr):
675 676 677
        """
        ncurses initialization
        """
678
        curses.curs_set(1)
679
        curses.noecho()
680 681
        # curses.raw()
        theme.init_colors()
682
        stdscr.keypad(True)
683

684
    def reset_curses(self):
685 686 687 688 689
        """
        Reset terminal capabilities to what they were before ncurses
        init
        """
        curses.echo()
690
        curses.nocbreak()
691
        curses.endwin()
692

693 694 695 696
    def refresh_window(self):
        """
        Refresh everything
        """
697
        self.current_tab().set_color_state(theme.COLOR_TAB_CURRENT)
698
        self.current_tab().refresh(self.tabs, self.information_buffer, roster)
699
        self.doupdate()
700

701
    def add_tab(self, new_tab, focus=False):
702
        """
703 704
        Appends the new_tab in the tab list and
        focus it if focus==True
705
        """
706 707
        if self.current_tab().nb == 0:
            self.tabs.append(new_tab)
708
        else:
709 710 711
            for ta in self.tabs:
                if ta.nb == 0:
                    self.tabs.insert(self.tabs.index(ta), new_tab)
712
                    break
713
        if focus:
714
            self.command_win("%s" % new_tab.nb)
715 716 717 718 719 720 721 722

    def open_new_room(self, room, nick, focus=True):
        """
        Open a new tab.MucTab containing a muc Room, using the specified nick
        """
        r = Room(room, nick)
        new_tab = tabs.MucTab(self, r)
        self.add_tab(new_tab, focus)
723
        self.refresh_window()
724

725 726 727 728 729 730
    def go_to_roster(self):
        self.command_win('0')

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

731 732 733 734 735 736 737
    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
        """
738 739 740
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_PRIVATE:
                self.command_win('%s' % tab.nb)
741
                return
742 743 744
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_HIGHLIGHT:
                self.command_win('%s' % tab.nb)
745
                return
746 747 748
        for tab in self.tabs:
            if tab.get_color_state() == theme.COLOR_TAB_NEW_MESSAGE:
                self.command_win('%s' % tab.nb)
749
                return
750 751 752 753
        for tab in self.tabs:
            if isinstance(tab, tabs.ChatTab) and not tab.input.is_empty():
                self.command_win('%s' % tab.nb)
                return
754

755
    def rotate_rooms_right(self, args=None):
756 757 758
        """
        rotate the rooms list to the right
        """
759 760 761
        self.current_tab().on_lose_focus()
        self.tabs.append(self.tabs.pop(0))
        self.current_tab().on_gain_focus()
762
        self.refresh_window()
763

764
    def rotate_rooms_left(self, args=None):
765 766 767
        """
        rotate the rooms list to the right
        """
768 769 770
        self.current_tab().on_lose_focus()
        self.tabs.insert(0, self.tabs.pop())
        self.current_tab().on_gain_focus()
771
        self.refresh_window()
772

773
    def scroll_page_down(self, args=None):
774
        self.current_tab().on_scroll_down()
775
        self.refresh_window()
776 777

    def scroll_page_up(self, args=None):
778
        self.current_tab().on_scroll_up()
779
        self.refresh_window()
780

781
    def room_error(self, error, room_name):
782 783 784
        """
        Display the error on the room window
        """
785 786 787 788 789 790
        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:
791
            if code in list(ERROR_AND_STATUS_CODES.keys()):
792 793
                body = ERROR_AND_STATUS_CODES[code]
            else:
794 795
                body = condition or _('Unknown error')
        if code:
796 797
            msg = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
            self.add_message_to_text_buffer(room, msg)
798
        else:
799 800
            msg = _('Error: %(msg)s: %(body)s') % {'msg':msg, 'body':body}
            self.add_message_to_text_buffer(room, msg)
801
        if code == '401':
802 803
            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)
804
        if code == '409':
805 806 807
            if config.get('alternative_nickname', '') != '':
                self.command_join('%s/%s'% (room.name, room.own_nick+config.get('alternative_nickname', '')))
            else:
808
                self.add_message_to_text_buffer(room, _('You can join the room with an other nick, by typing "/join /other_nick"'))
809
        self.refresh_window()
810

811
    def open_conversation_window(self, jid, focus=True):
812 813 814
        """
        open a new conversation tab and focus it if needed
        """
815
        new_tab = tabs