59 lines
1.8 KiB
TypeScript
59 lines
1.8 KiB
TypeScript
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import {derived, get} from "svelte/store";
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import {ScreenSharingLocalMedia, screenSharingLocalMedia} from "./ScreenSharingStore";
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import {DivImportance} from "../WebRtc/LayoutManager";
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import { peerStore, screenSharingStreamStore} from "./PeerStore";
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import type {RemotePeer} from "../WebRtc/SimplePeer";
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export type DisplayableMedia = RemotePeer | ScreenSharingLocalMedia;
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/**
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* A store that contains the layout of the streams
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*/
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function createLayoutStore() {
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let unsubscribes: (()=>void)[] = [];
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return derived([
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screenSharingStreamStore,
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peerStore,
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screenSharingLocalMedia,
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], ([
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$screenSharingStreamStore,
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$peerStore,
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$screenSharingLocalMedia,
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], set) => {
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for (const unsubscribe of unsubscribes) {
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unsubscribe();
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}
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unsubscribes = [];
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const peers = new Map<DivImportance, Map<string, DisplayableMedia>>();
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peers.set(DivImportance.Normal, new Map<string, DisplayableMedia>());
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peers.set(DivImportance.Important, new Map<string, DisplayableMedia>());
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const addPeer = (peer: DisplayableMedia) => {
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const importance = get(peer.importanceStore);
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peers.get(importance)?.set(peer.uniqueId, peer);
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unsubscribes.push(peer.importanceStore.subscribe((importance) => {
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peers.forEach((category) => {
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category.delete(peer.uniqueId);
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});
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peers.get(importance)?.set(peer.uniqueId, peer);
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set(peers);
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}));
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};
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$screenSharingStreamStore.forEach(addPeer);
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$peerStore.forEach(addPeer);
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if ($screenSharingLocalMedia?.stream) {
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addPeer($screenSharingLocalMedia);
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}
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set(peers);
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});
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}
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export const layoutStore = createLayoutStore();
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