41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
|
'''
|
||
|
|
Motion Event Provider
|
||
|
|
=====================
|
||
|
|
|
||
|
|
Abstract class for the implementation of a
|
||
|
|
:class:`~kivy.input.motionevent.MotionEvent`
|
||
|
|
provider. The implementation must support the
|
||
|
|
:meth:`~MotionEventProvider.start`, :meth:`~MotionEventProvider.stop` and
|
||
|
|
:meth:`~MotionEventProvider.update` methods.
|
||
|
|
'''
|
||
|
|
|
||
|
|
__all__ = ('MotionEventProvider', )
|
||
|
|
|
||
|
|
|
||
|
|
class MotionEventProvider(object):
|
||
|
|
'''Base class for a provider.
|
||
|
|
'''
|
||
|
|
|
||
|
|
def __init__(self, device, args):
|
||
|
|
self.device = device
|
||
|
|
if self.__class__ == MotionEventProvider:
|
||
|
|
raise NotImplementedError('class MotionEventProvider is abstract')
|
||
|
|
|
||
|
|
def start(self):
|
||
|
|
'''Start the provider. This method is automatically called when the
|
||
|
|
application is started and if the configuration uses the current
|
||
|
|
provider.
|
||
|
|
'''
|
||
|
|
pass
|
||
|
|
|
||
|
|
def stop(self):
|
||
|
|
'''Stop the provider.
|
||
|
|
'''
|
||
|
|
pass
|
||
|
|
|
||
|
|
def update(self, dispatch_fn):
|
||
|
|
'''Update the provider and dispatch all the new touch events though the
|
||
|
|
`dispatch_fn` argument.
|
||
|
|
'''
|
||
|
|
pass
|