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# telepathy-sunshine is the GaduGadu connection manager for Telepathy
#
# Copyright (C) 2010 Krzysztof Klinikowski <kkszysiu@gmail.com>
#
# This program 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import telepathy
import gobject
import dbus
import logging

from sunshine.connection import SunshineConnection

__all__ = ['SunshineConnectionManager']

logger = logging.getLogger('Sunshine.ConnectionManager')


class SunshineConnectionManager(telepathy.server.ConnectionManager):
    """Sunshine connection manager
    
    Implements the org.freedesktop.Telepathy.ConnectionManager interface"""

    def __init__(self, shutdown_func=None):
        "Initializer"
        telepathy.server.ConnectionManager.__init__(self, 'sunshine')

        self._protos['gadugadu'] = SunshineConnection
        self._shutdown = shutdown_func
        logger.info("Connection manager created")

    def GetParameters(self, proto):
        "Returns the mandatory and optional parameters for the given proto."
        if proto not in self._protos:
            raise telepathy.NotImplemented('unknown protocol %s' % proto)

        result = []
        connection_class = self._protos[proto]
        mandatory_parameters = connection_class._mandatory_parameters
        optional_parameters = connection_class._optional_parameters
        default_parameters = connection_class._parameter_defaults

        for parameter_name, parameter_type in mandatory_parameters.iteritems():
            param = (parameter_name,
                    telepathy.CONN_MGR_PARAM_FLAG_REQUIRED,
                    parameter_type,
                    '')
            result.append(param)

        for parameter_name, parameter_type in optional_parameters.iteritems():
            if parameter_name in default_parameters:
                param = (parameter_name,
                        telepathy.CONN_MGR_PARAM_FLAG_HAS_DEFAULT,
                        parameter_name,
                        default_parameters[parameter_name])
            else:
                param = (parameter_name, 0, parameter_name, '')
            result.append(param)

        return result

    def disconnected(self, conn):
        def shutdown():
            if self._shutdown is not None and \
                    len(self._connections) == 0:
                self._shutdown()
            return False
        result = telepathy.server.ConnectionManager.disconnected(self, conn)
        gobject.timeout_add(5000, shutdown)

    def quit(self):
        "Terminates all connections. Must be called upon quit"
        for connection in self._connections:
            connection.Disconnect()
        logger.info("Connection manager quitting")