94 lines
3.0 KiB
Python
94 lines
3.0 KiB
Python
"""Windows SMTC-Implementierung via pywinrt."""
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import logging
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from typing import Any
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logger = logging.getLogger(__name__)
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class SmtcController:
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def __init__(self) -> None:
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self._paused: list[str] = []
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self._manager: Any = None
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self._broken: bool = False
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async def _ensure_manager(self) -> Any:
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if self._broken:
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raise RuntimeError("SMTC nicht verfügbar")
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if self._manager is None:
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from winrt.windows.media.control import (
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GlobalSystemMediaTransportControlsSessionManager,
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)
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self._manager = (
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await GlobalSystemMediaTransportControlsSessionManager.request_async()
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)
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return self._manager
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async def _pause_session(self, session: Any) -> str | None:
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"""Pausiert eine Session wenn sie spielt. Gibt AUMID zurück, sonst None."""
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from winrt.windows.media.control import (
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GlobalSystemMediaTransportControlsSessionPlaybackStatus,
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)
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aumid = session.source_app_user_model_id
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try:
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info = session.get_playback_info()
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if (
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info.playback_status
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!= GlobalSystemMediaTransportControlsSessionPlaybackStatus.PLAYING
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):
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return None
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await session.try_pause_async()
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return aumid
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except Exception as e:
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logger.warning("Konnte Session %s nicht pausieren: %s", aumid, e)
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return None
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async def pause(self) -> None:
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if self._broken:
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self._paused = []
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return
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try:
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manager = await self._ensure_manager()
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except Exception as e:
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logger.warning(
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"SMTC nicht erreichbar, Media-Pause dauerhaft deaktiviert: %s", e
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)
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self._broken = True
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self._paused = []
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return
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sessions = list(manager.get_sessions())
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paused = []
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for session in sessions:
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result = await self._pause_session(session)
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if result is not None:
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paused.append(result)
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self._paused = paused
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async def resume(self) -> None:
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if not self._paused:
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return
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try:
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manager = await self._ensure_manager()
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current = {
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s.source_app_user_model_id: s for s in manager.get_sessions()
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}
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except Exception as e:
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logger.warning("SMTC nicht erreichbar beim Fortsetzen: %s", e)
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self._paused = []
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return
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to_resume = self._paused
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self._paused = []
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for aumid in to_resume:
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session = current.get(aumid)
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if session is None:
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logger.warning(
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"Session %s nicht mehr vorhanden, wird übersprungen", aumid
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)
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continue
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try:
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await session.try_play_async()
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except Exception as e:
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logger.warning("Konnte Session %s nicht fortsetzen: %s", aumid, e)
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