499a58f50d
Unfortunately this will not work with plugins as they do not have the events defined and the creation of the event object fails.
84 lines
2.9 KiB
Python
84 lines
2.9 KiB
Python
#
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# eventmanager.py
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#
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# Copyright (C) 2009 Andrew Resch <andrewresch@gmail.com>
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#
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# Deluge is free software.
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#
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# You may redistribute it and/or modify it under the terms of the
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# GNU General Public License, as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option)
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# any later version.
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#
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# deluge 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.
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# See the 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 deluge. If not, write to:
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# The Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor
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# Boston, MA 02110-1301, USA.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link the code of portions of this program with the OpenSSL
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# library.
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# You must obey the GNU General Public License in all respects for all of
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# the code used other than OpenSSL. If you modify file(s) with this
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# exception, you may extend this exception to your version of the file(s),
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# but you are not obligated to do so. If you do not wish to do so, delete
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# this exception statement from your version. If you delete this exception
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# statement from all source files in the program, then also delete it here.
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#
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#
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import logging
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import deluge.component as component
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log = logging.getLogger(__name__)
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class EventManager(component.Component):
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def __init__(self):
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component.Component.__init__(self, "EventManager")
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self.handlers = {}
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def emit(self, event):
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"""
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Emits the event to interested clients.
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:param event: DelugeEvent
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"""
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# Emit the event to the interested clients
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component.get("RPCServer").emit_event(event)
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# Call any handlers for the event
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if event.name in self.handlers:
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for handler in self.handlers[event.name]:
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#log.debug("Running handler %s for event %s with args: %s", event.name, handler, event.args)
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handler(*event.args)
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def register_event_handler(self, event, handler):
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"""
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Registers a function to be called when a `:param:event` is emitted.
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:param event: str, the event name
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:param handler: function, to be called when `:param:event` is emitted
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"""
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if event not in self.handlers:
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self.handlers[event] = []
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if handler not in self.handlers[event]:
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self.handlers[event].append(handler)
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def deregister_event_handler(self, event, handler):
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"""
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Deregisters an event handler function.
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:param event: str, the event name
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:param handler: function, currently registered to handle `:param:event`
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"""
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if event in self.handlers and handler in self.handlers[event]:
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self.handlers[event].remove(handler)
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