- A non-null pin forces layout "spotlight" and remembers the displaced mode; clearing restores it only if the user hasn't switched since; gridLayoutMedia$ surfaces the pinned item for narrow mode (#3). - Pin clears when the user is gone for 5 s or on leave$ (#16). - Screenshare branch keeps pip$ = auto speaker unless it IS the pinned user (#29). - Payload accepts an optional media id (userId:deviceId) and prefers it; userId-only picks the speaking device (#30). 18 unit tests. Fixes #3 Fixes #16 Fixes #29 Fixes #30 Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PPmy3tPq869XDW4njjVaKA
58 lines
2.3 KiB
TypeScript
58 lines
2.3 KiB
TypeScript
/*
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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 { type CallViewModel } from "../state/CallViewModel/CallViewModel";
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import { widget } from "../widget";
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import { LotusWidgetActions } from "./lotusActions";
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import { type ManualSpotlight } from "./lotusSpotlight";
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/**
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* Parse a `focus_participant` payload into a pin, `null` to clear, or
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* `undefined` to leave the current pin alone (#30). Exported for tests.
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*
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* Mirror deafen's partial-payload semantics: a payload that OMITS `userId`
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* must keep the current spotlight, not clear it. Only act when the key is
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* actually present — an explicit `null` clears, a string pins that user. An
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* optional `id` (EC media id `${userId}:${deviceId}`, as sent to the host in
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* `io.lotus.call_state`) selects a specific device of that user.
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*/
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export function parseFocusPayload(
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data: unknown,
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): ManualSpotlight | null | undefined {
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if (typeof data !== "object" || data === null || !("userId" in data))
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return undefined;
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const { userId, id } = data as { userId?: unknown; id?: unknown };
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if (typeof userId !== "string") return null;
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return { userId, id: typeof id === "string" ? id : null };
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}
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/**
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* Handle the host's `io.lotus.focus_participant` toWidget action (#4): pin a
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* participant to the spotlight by Matrix user id (and optionally media id), or
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* clear it with `{ userId: null }`. This replaces cinny's old DOM `.click()`
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* tile-selector hack with a real, layout-aware spotlight override.
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*
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* No effect unless the host actually sends the action, so registering the
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* handler whenever we're a widget is safe. Returns a teardown function.
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*/
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export function startLotusFocus(vm: CallViewModel): () => 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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// Always reply so the host transport doesn't time out.
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w.api.transport.reply(ev.detail, {});
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const target = parseFocusPayload(ev.detail.data);
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if (target !== undefined) vm.setManualSpotlight(target);
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};
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w.lazyActions.on(LotusWidgetActions.FocusParticipant, handler);
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return () => w.lazyActions.off(LotusWidgetActions.FocusParticipant, handler);
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}
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