47 lines
1.7 KiB
TypeScript
47 lines
1.7 KiB
TypeScript
 
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/*
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Copyright 2026 Lotus Guild
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SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE in the repository root for full details.
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*/
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import { type IWidgetApiRequest } from "matrix-widget-api";
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import { logger } from "matrix-js-sdk/lib/logger";
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import { type MediaDevices } from "../state/MediaDevices";
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import { widget } from "../widget";
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import { LotusWidgetActions } from "./lotusActions";
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import { lotusSendToHost } from "./lotusWidget";
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/**
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* [Gitea #119] Let the host switch the audio output device (headset ↔
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* speakers) from its own call bar: `io.lotus.set_audio_output { deviceId }`
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* selects the output; the fork answers each change (and the initial state)
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* with `io.lotus.audio_output_state { deviceId, available: [{id,label}] }`.
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* No effect unless the host sends the action. Returns a teardown function.
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*/
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export function startLotusAudioOutput(mediaDevices: MediaDevices): () => void {
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const w = widget;
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if (!w) return () => undefined;
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const handler = (ev: CustomEvent<IWidgetApiRequest>): void => {
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w.api.transport.reply(ev.detail, {});
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const data = ev.detail.data as { deviceId?: string } | undefined;
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if (typeof data?.deviceId !== "string") return;
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logger.debug(`[lotus] set_audio_output: ${data.deviceId}`);
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mediaDevices.audioOutput.select(data.deviceId);
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};
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w.lazyActions.on(LotusWidgetActions.SetAudioOutput, handler);
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const sub = mediaDevices.audioOutput.selected$.subscribe((selected) => {
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lotusSendToHost(LotusWidgetActions.AudioOutputState, {
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deviceId: selected?.id ?? null,
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});
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});
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return () => {
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sub.unsubscribe();
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w.lazyActions.off(LotusWidgetActions.SetAudioOutput, handler);
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};
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}
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