David Gwilliam
15de46722a
- Add EventBus class with pub/sub messaging (thread-safe) - Add emitter Protocol classes (EventEmitter, Startable, Stoppable) - Add event emission to NtfyPoller (NtfyMessageEvent) - Add event emission to MicMonitor (MicLevelEvent) - Update StreamController to publish stream start/end events - Add comprehensive tests for eventbus and emitters modules
26 lines
618 B
Python
26 lines
618 B
Python
"""
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Event emitter protocols - abstract interfaces for event-producing components.
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"""
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from collections.abc import Callable
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from typing import Any, Protocol
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class EventEmitter(Protocol):
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"""Protocol for components that emit events."""
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def subscribe(self, callback: Callable[[Any], None]) -> None: ...
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def unsubscribe(self, callback: Callable[[Any], None]) -> None: ...
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class Startable(Protocol):
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"""Protocol for components that can be started."""
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def start(self) -> Any: ...
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class Stoppable(Protocol):
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"""Protocol for components that can be stopped."""
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def stop(self) -> None: ...
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