63 lines
2 KiB
Python
63 lines
2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2009, 2010 Erwan Briand
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# Copyright 2010, Florent Le Coz <louizatakk@fedoraproject.org>
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation version 3 of the License.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from singleton import Singleton
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class Handler(Singleton):
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"""
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This class is the global handler for the software's signals.
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"""
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__is_first_instance = True
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def __init__(self):
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if Handler.__is_first_instance:
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Handler.__is_first_instance = False
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self.__signals__ = {
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'on-connected': list(),
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# At the end of a successful connection process.
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# emitted when presence confirmation is received
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# Args: jid
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'join-room': list(),
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# Join a room.
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# Args: room, nick
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'room-presence': list(),
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# A presence is received
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# Args: the stanza object
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'room-message': list(),
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# A message is received
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# Args: the stanza object
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'room-iq': list(),
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# An iq is received
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# Args: the stanza object
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}
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def connect(self, signal, func):
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"""Connect a function to a signal."""
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if func not in self.__signals__[signal]:
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self.__signals__[signal].append(func)
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def emit(self, signal, **kwargs):
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"""Emit a signal."""
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if self.__signals__.has_key(signal):
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for func in self.__signals__[signal]:
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func(**kwargs)
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