/usr/share/pyshared/pgm/timing/ticker.py is in python-pgm 0.3.12-2build2.
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#
# Pigment Python tools
#
# Copyright © 2006, 2007, 2008 Fluendo Embedded S.L.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
"""
Ticker is an object used to synchronize the update of Controllers. Ticker
maintains a list of controllers that are updated each time the tick() method
is called.
"""
import time
class Ticker(object):
"""
"""
def __init__(self):
self._controllers = []
# Public methods
def tick(self):
"""
Call the update method of all the controllers associated to the ticker.
"""
update_time = long(time.time() * 1000)
#print '=============== TICK ================'
#print 'updating', len(self._controllers), 'controllers'
for controller in self._controllers:
controller.update(update_time)
def get_controllers(self):
"""
Retrieve the controller list associated to the ticker.
"""
return self._controllers
# Protected methods
def add_controller(self, controller):
"""
Add a new controller to the ticker.
"""
self._controllers.append(controller)
def remove_controller(self, controller):
"""
Remove a controller from the ticker.
"""
self._controllers.remove(controller)
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