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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach 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 3 of the License, or
(at your option) any later version.
Task Coach 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, see <http://www.gnu.org/licenses/>.
'''
from taskcoachlib import operating_system
class AbstractNotifier(object):
"""
Abstract base class for interfacing with notification systems
(Growl, Snarl...).
"""
notifiers = {}
_enabled = True
def getName(self):
raise NotImplementedError
def isAvailable(self):
raise NotImplementedError
def notify(self, title, summary, bitmap, **kwargs):
raise NotImplementedError
@classmethod
def register(klass, notifier):
if notifier.isAvailable():
klass.notifiers[notifier.getName()] = notifier
@classmethod
def get(klass, name):
return klass.notifiers.get(name, None)
@classmethod
def getSimple(klass):
"""
Returns a notifier suitable for simple notifications. This
defaults to Growl/Snarl/libnotify depending on their
availability.
"""
if klass._enabled:
if operating_system.isMac():
return klass.get('Growl') or klass.get('Task Coach')
elif operating_system.isWindows():
return klass.get('Snarl') or klass.get('Task Coach')
else:
return klass.get('libnotify') or klass.get('Task Coach')
else:
class DummyNotifier(AbstractNotifier):
def getName(self):
return u'Dummy'
def isAvailable(self):
return True
def notify(self, title, summary, bitmap, **kwargs):
pass
return DummyNotifier()
@classmethod
def disableNotifications(klass):
klass._enabled = False
@classmethod
def names(klass):
names = klass.notifiers.keys()
names.sort()
return names
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