65 lines
2.1 KiB
Python
65 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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## This file is part of Gajim.
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##
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## Gajim 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
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## by the Free Software Foundation; version 3 only.
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##
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## Gajim 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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##
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## You should have received a copy of the GNU General Public License
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## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
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##
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'''
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Global Events Dispatcher module.
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:author: Mateusz Biliński <mateusz@bilinski.it>
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:since: 8th August 2008
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:copyright: Copyright (2008) Mateusz Biliński <mateusz@bilinski.it>
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:license: GPL
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'''
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import logging
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log = logging.getLogger('gajim.common.ged')
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PRECORE = 30
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CORE = 40
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POSTCORE = 50
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class GlobalEventsDispatcher(object):
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def __init__(self):
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self.handlers = {}
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def register_event_handler(self, event_name, priority, handler):
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if event_name in self.handlers:
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handlers_list = self.handlers[event_name]
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i = 0
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for i, h in enumerate(handlers_list):
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if priority < h[0]:
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break
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handlers_list.insert(i, (priority, handler))
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else:
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self.handlers[event_name] = [(priority, handler)]
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def remove_event_handler(self, event_name, priority, handler):
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if event_name in self.handlers:
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try:
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self.handlers[event_name].remove((priority, handler))
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except ValueError, error:
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log.warn('''Function (%s) with priority "%s" never registered
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as handler of event "%s". Couldn\'t remove. Error: %s'''
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%(handler, priority, event_name, error))
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def raise_event(self, event_name, *args, **kwargs):
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log.debug('%s\nArgs: %s'%(event_name, str(args)))
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if event_name in self.handlers:
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for priority, handler in self.handlers[event_name]:
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handler(*args, **kwargs)
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