Source code for whistle.typing.dispatcher

from typing import Optional, Protocol

from .event import IEvent
from .listener import IListener



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class IAbstractEventDispatcher(Protocol):

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    def get_listeners(self, event_id: Optional[str] = None, /): ...



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    def has_listeners(self, event_id: Optional[str] = None, /): ...



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    def add_listener(self, event_id: str, listener: IListener, /, *, priority: int = 0): ...



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    def remove_listener(self, event_id: str, listener: IListener, /): ...





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class IDispatchedEvent(IEvent, Protocol):
    # todo: add typed var for event dispatcher type
    dispatcher: IAbstractEventDispatcher




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class IEventDispatcher(IAbstractEventDispatcher, Protocol):

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    def dispatch(self, event_id, event=None, /) -> IDispatchedEvent: ...





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class IAsyncEventDispatcher(IAbstractEventDispatcher, Protocol):

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    async def adispatch(self, event_id: str, event: Optional[IEvent] = None, /) -> IDispatchedEvent: ...