client/packages/call/src/store.tsx
Alois be56080ba1
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(fix): remove unused dependencies
(fix): remove dead code
(fix): remove unused exports
2026-06-03 14:53:18 +02:00

1525 lines
43 KiB
TypeScript

import { useCallback, useEffect, useMemo, useRef } from "react";
import { create } from "zustand";
import { useLocation, useNavigate } from "@tanstack/react-router";
import { useTTP } from "@tensamin/ttp";
import { log, toast } from "@tensamin/shared/log";
import { ttp } from "@tensamin/shared/data";
import { useCrypto } from "@tensamin/crypto/context";
import { useStorage } from "@tensamin/storage/context";
import { useSession } from "@tensamin/storage/session";
import { useUser } from "@tensamin/user/context";
import { DeepFilterNoiseFilterProcessor } from "deepfilternet3-noise-filter";
import {
ExternalE2EEKeyProvider,
LocalAudioTrack,
type LocalTrackPublication,
type Participant,
type RemoteParticipant,
type RemoteTrackPublication,
Room,
RoomEvent,
type RemoteTrack,
type ScreenShareCaptureOptions,
Track,
setLogExtension,
getLogger,
} from "livekit-client";
import z from "zod";
import {
createScreenShareController,
type ScreenShareSession,
} from "./screenshare";
import {
getSpeakingDetector,
disposeSpeakingDetector,
} from "./speakingIndicator";
import InvitePopup from "./components/invitePopup";
// logging
setLogExtension(
(level, message, context) =>
context
? log(level, "livekit", "blue", message, context)
: log(level, "livekit", "blue", message),
getLogger("tensamin"),
);
type CallState = "closed" | "closing" | "connecting" | "open" | "encrypting";
type CallView = "preview" | "focused" | "grid";
type IncomingCallInvite = {
callId: string;
callSecret: string;
senderId: number;
};
type CurrentCallData =
| (z.infer<typeof ttp.call_data.response> & { exists: boolean })
| null;
type NavigateFn = (options: {
to: string;
search?: Record<string, unknown>;
}) => Promise<void>;
type SendFn = (
type: string,
data: Record<string, unknown>,
) => Promise<{ data: unknown }>;
type GetSharedSecretFn = (
privateKey: unknown,
ownPublicKey: string,
remotePublicKey: string,
) => Promise<string>;
type DecryptTextFn = (sharedSecret: string, text: string) => Promise<string>;
type EncryptTextFn = (sharedSecret: string, text: string) => Promise<string>;
type LoadFn = (key: string) => Promise<unknown>;
type GetUserFn = (userId: number) => Promise<{ public_key: string }>;
type RemoteVideoTrackSelector = Track.Kind | Track.Source;
type Runtime = {
navigate: NavigateFn;
send: SendFn;
getSharedSecret: GetSharedSecretFn;
decryptText: DecryptTextFn;
encryptText: EncryptTextFn;
load: LoadFn;
getUser: GetUserFn;
};
type CallStore = {
state: CallState;
view: CallView;
invitedUserId: number | null;
callId: string | null;
incomingCallInvite: IncomingCallInvite | null;
callSecret: string | null;
livekitToken: string | null;
currentCallData: CurrentCallData;
deaf: boolean;
micEnabled: boolean;
screenShareEnabled: boolean;
screenShareSession: ScreenShareSession | null;
focusedParticipantId: number | null;
focusedParticipantType: "user" | "stream" | null;
usersInFocusedViewHidden: boolean;
watchedStreamParticipantIds: number[];
pendingWatchedParticipantIds: number[];
activeScreenShareParticipantIds: number[];
isEncrypted: boolean;
callIsFullscreen: boolean;
callIsPopout: boolean;
layoutVersion: number;
screenRef: React.RefObject<HTMLDivElement | null> | null;
runtime: Runtime | null;
};
let _keyProvider: ExternalE2EEKeyProvider | null = null;
let _e2eeWorker: Worker | null = null;
let _room: Room | null = null;
function getKeyProvider(): ExternalE2EEKeyProvider {
if (!_keyProvider) {
_keyProvider = new ExternalE2EEKeyProvider();
}
return _keyProvider;
}
function getE2EEWorker(): Worker {
if (!_e2eeWorker) {
_e2eeWorker = new Worker(
new URL("livekit-client/e2ee-worker", import.meta.url),
);
}
return _e2eeWorker;
}
export function getRoom(): Room {
if (!_room) {
_room = new Room({
dynacast: true,
adaptiveStream: true,
loggerName: "tensamin",
encryption: {
keyProvider: getKeyProvider(),
worker: getE2EEWorker(),
},
});
}
return _room;
}
const remoteAudioElements = new Map<string, HTMLMediaElement>();
const SCREEN_SHARE_PREVIEW_MAX_WIDTH = 320;
const SCREEN_SHARE_PREVIEW_MAX_HEIGHT = 180;
const SCREEN_SHARE_PREVIEW_QUALITY = 0.7;
const SCREEN_SHARE_PREVIEW_TIMEOUT_MS = 5000;
// audio helpers
function attachRemoteAudio(trackSid: string, element: HTMLMediaElement) {
const existingElement = remoteAudioElements.get(trackSid);
if (existingElement) {
existingElement.remove();
}
element.autoplay = true;
element.style.display = "none";
document.body.appendChild(element);
remoteAudioElements.set(trackSid, element);
}
function detachRemoteAudio(trackSid: string) {
const element = remoteAudioElements.get(trackSid);
if (!element) {
return;
}
element.remove();
remoteAudioElements.delete(trackSid);
}
function clearRemoteAudio() {
for (const trackSid of remoteAudioElements.keys()) {
detachRemoteAudio(trackSid);
}
}
export function getParticipantId(identity: string | undefined): number | null {
if (!identity) {
return null;
}
const parsed = Number(identity);
return Number.isFinite(parsed) ? parsed : null;
}
function getAllParticipants(): Participant[] {
const room = getRoom();
return [...room.remoteParticipants.values(), room.localParticipant];
}
function getTrackPublicationBySource(
participant: Participant | undefined,
source: Track.Source,
) {
if (!participant) {
return undefined;
}
return [...participant.trackPublications.values()].find(
(publication) => publication.source === source,
);
}
function getRemoteParticipant(participantId: number) {
return [...getRoom().remoteParticipants.values()].find(
(participant) => getParticipantId(participant.identity) === participantId,
);
}
function getRemoteTrackPublications(participantId: number) {
return [
...(getRemoteParticipant(participantId)?.trackPublications.values() ?? []),
] as RemoteTrackPublication[];
}
function matchesRemoteTrackSelector(
publication: Pick<RemoteTrackPublication, "kind" | "source">,
selector: RemoteVideoTrackSelector,
) {
return publication.source === selector || publication.kind === selector;
}
function syncRemoteParticipantTrackSubscriptions(participantId: number) {
for (const publication of getRemoteTrackPublications(participantId)) {
publication.setSubscribed(
publication.kind === Track.Kind.Audio &&
publication.source !== Track.Source.ScreenShareAudio,
);
}
}
function syncAllRemoteTrackSubscriptions() {
for (const participant of getRoom().remoteParticipants.values()) {
const participantId = getParticipantId(participant.identity);
if (participantId != null) {
syncRemoteParticipantTrackSubscriptions(participantId);
}
}
}
function getActiveScreenShareParticipantIds(): number[] {
return getAllParticipants()
.map((participant) => ({
participantId: getParticipantId(participant.identity),
hasScreenShare:
getTrackPublicationBySource(participant, Track.Source.ScreenShare) !=
null,
}))
.filter(
(entry): entry is { participantId: number; hasScreenShare: true } =>
entry.participantId != null && entry.hasScreenShare,
)
.map((entry) => entry.participantId);
}
function getScreenShareTrackForParticipant(participantId: number) {
const participant = getAllParticipants().find(
(entry) => getParticipantId(entry.identity) === participantId,
);
return getTrackPublicationBySource(participant, Track.Source.ScreenShare)
?.track;
}
function hasParticipant(participantId: number) {
return getAllParticipants().some(
(participant) => getParticipantId(participant.identity) === participantId,
);
}
function getLocalScreenShareTrack(): MediaStreamTrack | null {
const track = getTrackPublicationBySource(
getRoom().localParticipant,
Track.Source.ScreenShare,
)?.track;
if (!track || track.kind !== Track.Kind.Video) {
return null;
}
return track.mediaStreamTrack;
}
async function updateLocalParticipantAttributes(
attributes: Record<string, string>,
) {
log(2, "call", "purple", "Updating local participant attributes", {
attributeKeys: Object.keys(attributes),
screenSharePreviewLength: attributes.screenSharePreview?.length ?? 0,
});
await getRoom()
.localParticipant.setAttributes(attributes)
.catch((error) => {
log(1, "call", "red", "Failed to update local participant attributes", {
attributes: Object.keys(attributes),
error,
});
throw error;
});
log(2, "call", "purple", "Updated local participant attributes", {
attributeKeys: Object.keys(attributes),
screenSharePreviewLength: attributes.screenSharePreview?.length ?? 0,
});
}
async function waitForScreenSharePreviewFrame(video: HTMLVideoElement) {
if (
video.readyState >= HTMLMediaElement.HAVE_CURRENT_DATA &&
video.videoWidth > 0 &&
video.videoHeight > 0
) {
log(2, "call", "purple", "Screen share preview frame already ready", {
readyState: video.readyState,
width: video.videoWidth,
height: video.videoHeight,
});
return;
}
log(2, "call", "purple", "Waiting for screen share preview frame", {
readyState: video.readyState,
});
await new Promise<void>((resolve, reject) => {
const timeoutId = window.setTimeout(() => {
cleanup();
reject(new Error("Timed out waiting for screen share preview frame."));
}, SCREEN_SHARE_PREVIEW_TIMEOUT_MS);
const cleanup = () => {
window.clearTimeout(timeoutId);
video.onloadeddata = null;
video.oncanplay = null;
video.onerror = null;
};
const ready = () => {
if (video.videoWidth > 0 && video.videoHeight > 0) {
log(2, "call", "purple", "Screen share preview frame became ready", {
readyState: video.readyState,
width: video.videoWidth,
height: video.videoHeight,
});
cleanup();
resolve();
}
};
video.onloadeddata = ready;
video.oncanplay = ready;
video.onerror = () => {
cleanup();
reject(new Error("Failed to load screen share preview frame."));
};
if (typeof video.requestVideoFrameCallback === "function") {
video.requestVideoFrameCallback(() => {
ready();
});
}
ready();
});
}
async function publishScreenSharePreview() {
const videoTrack = getLocalScreenShareTrack();
if (!videoTrack) {
log(
2,
"call",
"purple",
"Skipping screen share preview publish: no local video track",
);
return;
}
log(2, "call", "purple", "Publishing screen share preview", {
trackId: videoTrack.id,
readyState: videoTrack.readyState,
muted: videoTrack.muted,
});
const video = document.createElement("video");
video.muted = true;
video.playsInline = true;
video.autoplay = true;
video.srcObject = new MediaStream([videoTrack]);
try {
await video.play().catch(() => undefined);
log(2, "call", "purple", "Screen share preview video play attempted", {
readyState: video.readyState,
});
await waitForScreenSharePreviewFrame(video);
if (!video.videoWidth || !video.videoHeight) {
throw new Error("Screen share preview video has no dimensions.");
}
log(2, "call", "purple", "Capturing screen share preview frame", {
width: video.videoWidth,
height: video.videoHeight,
});
const canvas = document.createElement("canvas");
const context = canvas.getContext("2d");
if (!context) {
throw new Error("Failed to create screen share preview canvas.");
}
canvas.width = SCREEN_SHARE_PREVIEW_MAX_WIDTH;
canvas.height = SCREEN_SHARE_PREVIEW_MAX_HEIGHT;
const scale = Math.min(
canvas.width / video.videoWidth,
canvas.height / video.videoHeight,
);
const drawWidth = Math.max(1, Math.round(video.videoWidth * scale));
const drawHeight = Math.max(1, Math.round(video.videoHeight * scale));
const x = Math.floor((canvas.width - drawWidth) / 2);
const y = Math.floor((canvas.height - drawHeight) / 2);
context.fillStyle = "#111111";
context.fillRect(0, 0, canvas.width, canvas.height);
context.drawImage(video, x, y, drawWidth, drawHeight);
const preview = canvas.toDataURL(
"image/webp",
SCREEN_SHARE_PREVIEW_QUALITY,
);
log(2, "call", "purple", "Generated screen share preview", {
previewLength: preview.length,
canvasWidth: canvas.width,
canvasHeight: canvas.height,
});
await updateLocalParticipantAttributes({
screenSharePreview: preview,
});
log(2, "call", "purple", "Published screen share preview");
} catch (error) {
log(1, "call", "red", "Failed to publish screen share preview", error);
} finally {
video.pause();
video.srcObject = null;
}
}
async function clearScreenSharePreview() {
log(2, "call", "purple", "Clearing screen share preview");
await updateLocalParticipantAttributes({
screenSharePreview: "",
}).catch((error) => {
log(1, "call", "red", "Failed to clear screen share preview", error);
});
}
function syncScreenShareParticipants() {
const activeScreenShareParticipantIds = getActiveScreenShareParticipantIds();
const state = useCall.getState();
const watchedStreamParticipantIds = state.watchedStreamParticipantIds.filter(
(participantId) => activeScreenShareParticipantIds.includes(participantId),
);
const pendingWatchedParticipantIds = watchedStreamParticipantIds.filter(
(participantId) => getScreenShareTrackForParticipant(participantId) == null,
);
const focusedParticipantId =
state.focusedParticipantId != null &&
(watchedStreamParticipantIds.includes(state.focusedParticipantId) ||
hasParticipant(state.focusedParticipantId))
? state.focusedParticipantId
: null;
useCall.setState({
activeScreenShareParticipantIds,
watchedStreamParticipantIds,
pendingWatchedParticipantIds,
focusedParticipantId,
focusedParticipantType:
focusedParticipantId == null ? null : state.focusedParticipantType,
view:
state.view === "focused" && focusedParticipantId == null
? "grid"
: state.view,
});
}
// utils
function requireRuntime(runtime: Runtime | null): Runtime {
if (!runtime) {
throw new Error("Call store is not initialized");
}
return runtime;
}
export function getRoomMetadata() {
const roomMetadata = getRoom().metadata;
try {
const data = JSON.parse(roomMetadata || '{"admins": []}');
return data as { admins: number[] };
} catch {
return { admins: [] };
}
}
// Sync local participant flags and screen-share derived state for the active call UI.
export function syncParticipantState() {
const { screenShareSession } = useCall.getState();
const room = getRoom();
useCall.setState({
micEnabled: room.localParticipant.isMicrophoneEnabled,
screenShareEnabled:
screenShareSession != null || room.localParticipant.isScreenShareEnabled,
isEncrypted:
room.localParticipant.isE2EEEnabled && room.localParticipant.isEncrypted,
});
syncScreenShareParticipants();
}
// set state functions
// Store runtime dependencies from hooks so the call store can use them outside React.
export function setCallRuntime(runtime: Runtime) {
useCall.setState({ runtime });
}
// Switch between preview, grid, and focused call layouts.
export function setCallView(view: CallView) {
useCall.setState({ view });
}
export function setUsersInFocusedViewHidden(usersInFocusedViewHidden: boolean) {
useCall.setState((state) => ({
usersInFocusedViewHidden,
layoutVersion:
state.usersInFocusedViewHidden === usersInFocusedViewHidden
? state.layoutVersion
: state.layoutVersion + 1,
}));
}
export function setCallIsFullscreen(callIsFullscreen: boolean) {
useCall.setState({ callIsFullscreen });
}
export function setCallIsPopout(callIsPopout: boolean) {
useCall.setState({ callIsPopout });
}
export function triggerCallLayoutCalculation() {
useCall.setState((state) => ({
layoutVersion: state.layoutVersion + 1,
}));
}
export function setScreenRef(
screenRef: React.RefObject<HTMLDivElement | null> | null,
) {
useCall.setState({ screenRef });
}
// Keep the current call id in sync with navigation and connection flow.
export function setCallId(callId: string | null) {
useCall.setState({ callId });
}
// Cache server call metadata used by the preview screen.
export function setCurrentCallData(
currentCallData: CurrentCallData & { exists: boolean },
) {
useCall.setState({ currentCallData });
}
// more utils
// Navigate the app into the dedicated call route for an active call.
export async function openCallPage(callId: string) {
await requireRuntime(useCall.getState().runtime).navigate({
to: "/call",
search: { id: callId },
});
}
// Request the LiveKit token that authorizes this client to join a call.
export async function getCallToken(callId: string): Promise<string> {
const response = await requireRuntime(useCall.getState().runtime)
.send("call_token", {
call_id: callId,
})
.catch((err) => {
log(1, "call", "red", "Failed to get call secret", err);
throw err;
});
const data = response.data as { call_token: string };
return data.call_token;
}
// Encrypt the active call secret for a recipient and send the call invite.
export async function sendCallInvite(userId: number) {
const runtime = requireRuntime(useCall.getState().runtime);
const { callId, callSecret } = useCall.getState();
if (!callId || !callSecret) {
throw new Error("Cannot send call invite without an active call.");
}
const ownUserId = (await runtime.load("user_id")) as number;
const privateKey = await runtime.load("private_key");
const ownPublicKey = await runtime
.getUser(ownUserId)
.then((data) => data.public_key);
const remotePublicKey = await runtime
.getUser(userId)
.then((data) => data.public_key);
const sharedSecret = await runtime.getSharedSecret(
privateKey,
ownPublicKey,
remotePublicKey,
);
const encryptedCallSecret = await runtime.encryptText(
sharedSecret,
callSecret,
);
await runtime.send("call_invite", {
receiver_id: userId,
call_id: callId,
call_secret: encryptedCallSecret,
});
}
// Start tracking a participant's shared screen in the call UI.
export function startWatchingStream(participantId: number) {
const trackReady = getScreenShareTrackForParticipant(participantId) != null;
setParticipantTrackSubscribed(participantId, Track.Source.ScreenShare);
setParticipantTrackSubscribed(participantId, Track.Source.ScreenShareAudio);
useCall.setState((state) => ({
watchedStreamParticipantIds: state.watchedStreamParticipantIds.includes(
participantId,
)
? state.watchedStreamParticipantIds
: [...state.watchedStreamParticipantIds, participantId],
pendingWatchedParticipantIds: trackReady
? state.pendingWatchedParticipantIds.filter((id) => id !== participantId)
: state.pendingWatchedParticipantIds.includes(participantId)
? state.pendingWatchedParticipantIds
: [...state.pendingWatchedParticipantIds, participantId],
focusedParticipantId: participantId,
focusedParticipantType: "stream",
}));
}
// Toggle remote track subscriptions using LiveKit's built-in publication API.
export function setParticipantTrackSubscribed(
participantId: number,
selector: RemoteVideoTrackSelector,
subscribed = true,
) {
for (const publication of getRemoteTrackPublications(participantId)) {
if (matchesRemoteTrackSelector(publication, selector)) {
publication.setSubscribed(subscribed);
}
}
syncParticipantState();
}
// Focus a participant in the main call view even when they are not sharing a screen.
export function focusParticipant(
participantId: number,
type: "user" | "stream" = "user",
) {
useCall.setState({
focusedParticipantId: participantId,
focusedParticipantType: type,
view: "focused",
});
}
// Stop tracking a participant's shared screen and clean up related UI state.
export function stopWatchingStream(participantId: number) {
setParticipantTrackSubscribed(participantId, Track.Source.ScreenShare, false);
setParticipantTrackSubscribed(
participantId,
Track.Source.ScreenShareAudio,
false,
);
useCall.setState((state) => ({
watchedStreamParticipantIds: state.watchedStreamParticipantIds.filter(
(id) => id !== participantId,
),
pendingWatchedParticipantIds: state.pendingWatchedParticipantIds.filter(
(id) => id !== participantId,
),
focusedParticipantId:
state.focusedParticipantId === participantId
? null
: state.focusedParticipantId,
focusedParticipantType:
state.focusedParticipantId === participantId
? null
: state.focusedParticipantType,
view:
state.view === "focused" && state.focusedParticipantId === participantId
? "grid"
: state.view,
}));
}
// Exit focused screen-share mode for the currently highlighted participant.
export function stopWatchingFocusedStream() {
const focusedParticipantId = useCall.getState().focusedParticipantId;
if (focusedParticipantId == null) {
return;
}
stopWatchingStream(focusedParticipantId);
}
let screenShareController: ReturnType<
typeof createScreenShareController
> | null = null;
function getNoiseFilterAssetBaseUrl() {
if (window.location.protocol === "file:") {
return new URL("./assets", document.baseURI).href.replace(/\/$/, "");
}
return "/assets";
}
function getScreenShareController() {
if (!screenShareController) {
screenShareController = createScreenShareController({
room: getRoom(),
getState: () => ({
screenShareSession: useCall.getState().screenShareSession,
}),
setState: (updater) => {
useCall.setState((state) =>
typeof updater === "function"
? updater({ screenShareSession: state.screenShareSession })
: updater,
);
},
getLocalParticipantId: () =>
getParticipantId(getRoom().localParticipant.identity),
startWatching: startWatchingStream,
stopWatching: stopWatchingStream,
syncParticipantState,
});
}
return screenShareController;
}
// Connect to LiveKit, enable the microphone, and move the UI into the live call.
export async function connect(callId: string) {
const token = await getCallToken(callId);
useCall.setState({
state: "connecting",
callId,
livekitToken: token,
});
log(2, "call", "purple", "Connecting to call", {
callId,
callSecret: useCall.getState().callSecret,
});
await getRoom()
.connect("wss://call.tensamin.net", token, {
autoSubscribe: false,
})
.catch((error) => {
useCall.setState({ state: "closed", livekitToken: null });
log(1, "call", "red", "Failed to connect to room", error);
toast(
"error",
error instanceof Error ? error.message : "Failed to connect to call.",
);
throw error;
});
syncAllRemoteTrackSubscriptions();
await getRoom()
.localParticipant.setMicrophoneEnabled(true)
.catch((error) => {
log(1, "call", "red", "Failed to enable microphone", error);
toast("error", "Failed to enable microphone.");
throw error;
});
syncParticipantState();
}
// Tear down the active call session and return the store to a closed state.
export async function disconnect() {
disposeSpeakingDetector();
await clearScreenSharePreview();
try {
await getScreenShareController().clearPublishedScreenShare();
} catch (error) {
log(
1,
"call",
"red",
"Failed to clear screen share during disconnect",
error,
);
}
useCall.setState({
state: "closing",
invitedUserId: null,
callId: null,
incomingCallInvite: null,
callSecret: null,
livekitToken: null,
currentCallData: null,
deaf: false,
view: "preview",
screenShareSession: null,
focusedParticipantId: null,
focusedParticipantType: null,
usersInFocusedViewHidden: false,
watchedStreamParticipantIds: [],
pendingWatchedParticipantIds: [],
activeScreenShareParticipantIds: [],
});
getRoom().remoteParticipants.forEach((participant) => {
participant.setVolume(1);
});
try {
await getRoom().disconnect();
} catch (error) {
log(1, "call", "red", "Failed to disconnect from room", error);
} finally {
useCall.setState({ state: "closed" });
syncParticipantState();
}
}
// Prepare encryption and join or create a call with another user.
export async function joinCall(
userId: number,
callSecret?: string,
existingCallId?: string,
sendInvite = true,
) {
const runtime = requireRuntime(useCall.getState().runtime);
const state = useCall.getState().state;
if (state !== "closed") {
await disconnect();
}
log(2, "call", "purple", "Call creation initialised");
useCall.setState({
state: "encrypting",
invitedUserId: sendInvite && !existingCallId ? userId : null,
});
if (callSecret) {
try {
const sharedSecret = await runtime.getSharedSecret(
await runtime.load("private_key"),
await runtime
.getUser((await runtime.load("user_id")) as number)
.then((res) => res.public_key),
await runtime.getUser(userId).then((res) => res.public_key),
);
const decryptedSecret = await runtime.decryptText(
sharedSecret,
callSecret,
);
await getKeyProvider().setKey(decryptedSecret);
await getRoom().setE2EEEnabled(true);
useCall.setState({ callSecret: decryptedSecret });
} catch (err) {
log(1, "call", "red", "Failed getting call secret", err);
disconnect();
return;
}
} else {
const random = crypto.randomUUID();
await getKeyProvider().setKey(random);
await getRoom().setE2EEEnabled(true);
useCall.setState({ callSecret: random });
}
const finalId = existingCallId || crypto.randomUUID();
try {
useCall.setState({ view: "grid", callId: finalId });
await openCallPage(finalId);
await connect(finalId);
} catch (err) {
log(1, "call", "red", "Failed to join call [navbar level]", err);
}
}
// Mute or restore incoming call audio for every remote participant.
export async function toggleDeaf() {
const nextDeaf = !useCall.getState().deaf;
getRoom().remoteParticipants.forEach((participant) => {
participant.setVolume(nextDeaf ? 0 : 1);
});
if (nextDeaf && getRoom().localParticipant.isMicrophoneEnabled) {
await toggleMute();
}
await updateLocalParticipantAttributes({
deafened: nextDeaf ? "true" : "false",
});
getSpeakingDetector().setDeaf(nextDeaf);
useCall.setState({ deaf: nextDeaf });
}
// Toggle the local microphone while keeping deaf/mute state consistent.
export async function toggleMute() {
const micEnabled = useCall.getState().micEnabled;
if (!micEnabled && useCall.getState().deaf) {
await toggleDeaf();
}
await getRoom().localParticipant.setMicrophoneEnabled(!micEnabled);
syncParticipantState();
}
// Start browser-native screen sharing for the current participant.
export async function startScreenShare(options?: ScreenShareCaptureOptions) {
await getScreenShareController().startScreenShare(options);
await publishScreenSharePreview();
}
// Start the Linux desktop capture path that renders frames through Tauri.
export async function startLinuxDesktopScreenShare(sourceId: string) {
await getScreenShareController().startLinuxDesktopScreenShare(sourceId);
await publishScreenSharePreview();
}
// Stop the local participant's active screen share and related previews.
export async function stopScreenShare() {
await getScreenShareController().stopScreenShare();
await clearScreenSharePreview();
}
// Toggle screen sharing on or off from UI controls.
export async function setScreenShareEnabled(
enabled: boolean,
options?: ScreenShareCaptureOptions,
) {
await getScreenShareController().setScreenShareEnabled(enabled, options);
if (enabled) {
await publishScreenSharePreview();
return;
}
await clearScreenSharePreview();
}
// Reset the in-memory call store when leaving the call experience entirely.
export function resetCallState() {
useCall.setState({
state: "closed",
view: "preview",
invitedUserId: null,
callId: null,
incomingCallInvite: null,
callSecret: null,
livekitToken: null,
currentCallData: null,
deaf: false,
screenShareSession: null,
focusedParticipantId: null,
focusedParticipantType: null,
usersInFocusedViewHidden: false,
watchedStreamParticipantIds: [],
pendingWatchedParticipantIds: [],
activeScreenShareParticipantIds: [],
});
syncParticipantState();
}
// Attach the deep noise filter to the local microphone track when available.
async function ensureNoiseFilter(
noiseFilter: DeepFilterNoiseFilterProcessor,
): Promise<void> {
const microphoneTrack = getRoom().localParticipant.getTrackPublication(
Track.Source.Microphone,
)?.track;
if (
!(microphoneTrack instanceof LocalAudioTrack) ||
microphoneTrack.getProcessor()
) {
return;
}
await microphoneTrack.setProcessor(noiseFilter).catch((err) => {
log(1, "call", "red", "Failed to enable noise filter", err);
});
const participantId = getParticipantId(getRoom().localParticipant.identity);
if (participantId != null) {
const processedTrack = microphoneTrack.mediaStreamTrack;
getSpeakingDetector().addTrack(
participantId,
processedTrack.clone(),
processedTrack,
);
}
}
export const useCall = create<CallStore>(() => ({
state: "closed",
view: "preview",
invitedUserId: null,
callId: null,
incomingCallInvite: null,
callSecret: null,
livekitToken: null,
currentCallData: null,
deaf: false,
micEnabled: false,
screenShareEnabled: false,
screenShareSession: null,
focusedParticipantId: null,
focusedParticipantType: null,
usersInFocusedViewHidden: false,
watchedStreamParticipantIds: [],
pendingWatchedParticipantIds: [],
activeScreenShareParticipantIds: [],
isEncrypted: false,
callIsFullscreen: false,
callIsPopout: false,
layoutVersion: 0,
screenRef: null,
runtime: null,
}));
// Register app-level call listeners and wire React dependencies into the store.
export function useInitializeCall() {
const navigate = useNavigate();
const location = useLocation();
const { send, subscribePush } = useTTP();
const { getSharedSecret, decryptText, encryptText } = useCrypto();
const { load } = useStorage();
const { insertCall } = useSession();
const { get } = useUser();
const callId = useCall((state) => state.callId);
const view = useCall((state) => state.view);
const incomingCallInvite = useCall((state) => state.incomingCallInvite);
const listenersRegistered = useRef(false);
const noiseFilter = useMemo(
() =>
new DeepFilterNoiseFilterProcessor({
enabled: true,
enableNoiseReduction: true,
noiseReductionLevel: 60,
sampleRate: 48000,
assetConfig: {
cdnUrl: getNoiseFilterAssetBaseUrl(),
},
}),
[],
);
useEffect(() => {
setCallRuntime({
navigate,
send: send as SendFn,
getSharedSecret: getSharedSecret as GetSharedSecretFn,
decryptText: decryptText as DecryptTextFn,
encryptText: encryptText as EncryptTextFn,
load: load as LoadFn,
getUser: get as GetUserFn,
});
}, [decryptText, encryptText, get, getSharedSecret, load, navigate, send]);
const showCallingScreen = useCallback(
(callId: string, callSecret: string, senderId: number) => {
useCall.setState({
incomingCallInvite: { callId, callSecret, senderId },
});
},
[],
);
const setInvitePopupOpen = useCallback((open: boolean) => {
if (!open) {
useCall.setState({ incomingCallInvite: null });
}
}, []);
const respondToInvite = useCallback(
(accepted: boolean) => {
const invite = useCall.getState().incomingCallInvite;
useCall.setState({ incomingCallInvite: null });
if (!invite) {
return;
}
insertCall({
call_id: invite.callId,
call_secret: invite.callSecret,
call_members: [invite.senderId],
});
if (accepted) {
joinCall(
invite.senderId,
invite.callSecret,
invite.callId,
false,
).catch((err) => {
log(1, "call", "red", "Failed to join call", err);
});
return;
}
log(2, "call", "purple", "Declined call invite", {
callId: invite.callId,
senderId: invite.senderId,
});
},
[insertCall],
);
// listen to call invites
useEffect(() => {
subscribePush(async (message) => {
if (message.type !== "call_invite") return;
const { call_id, call_secret, sender_id } = message.data as {
call_id: string;
call_secret: string;
sender_id: number;
};
showCallingScreen(call_id, call_secret, sender_id);
});
}, [subscribePush, showCallingScreen]);
// get callId from url
useEffect(() => {
if (!location.pathname.startsWith("/call")) {
return;
}
const search = new URLSearchParams(location.searchStr);
const routeCallId = search.get("id");
if (routeCallId) {
setCallId(routeCallId);
}
}, [location.pathname, location.searchStr]);
// fullscreen sync
useEffect(() => {
const handleFullscreenChange = () => {
const screenRef = useCall.getState().screenRef;
if (!screenRef?.current) return;
if (screenRef.current === document.fullscreenElement) {
setCallIsFullscreen(true);
} else {
setCallIsFullscreen(false);
}
triggerCallLayoutCalculation();
};
document.addEventListener("fullscreenchange", handleFullscreenChange);
return () =>
document.removeEventListener("fullscreenchange", handleFullscreenChange);
}, []);
// esc key listener
useEffect(() => {
const onKeyDown = (e: KeyboardEvent) => {
if (
e.key === "Escape" &&
useCall.getState().callIsFullscreen &&
location.pathname.startsWith("/call")
) {
useCall.setState({ callIsFullscreen: false });
}
};
window.addEventListener("keydown", onKeyDown);
return () => window.removeEventListener("keydown", onKeyDown);
}, [location.pathname]);
// room setup
useEffect(() => {
if (listenersRegistered.current) {
return;
}
listenersRegistered.current = true;
const onConnected = async () => {
useCall.setState({ state: "open" });
syncParticipantState();
const detector = getSpeakingDetector();
const localParticipantId = getParticipantId(
room.localParticipant.identity,
);
if (localParticipantId != null) {
detector.setLocalParticipantId(localParticipantId);
}
const [start, end] = await Promise.all([
load("call_mute_range_start"),
load("call_mute_range_end"),
]);
detector.setGateThresholds(start, end);
// Scan existing audio tracks for speaking detection
for (const participant of getAllParticipants()) {
const participantId = getParticipantId(participant.identity);
if (participantId == null) continue;
for (const publication of participant.trackPublications.values()) {
if (
publication.kind === Track.Kind.Audio &&
publication.source === Track.Source.Microphone &&
publication.track
) {
const mediaTrack = publication.track.mediaStreamTrack;
if (participant === room.localParticipant) {
const clonedTrack = mediaTrack.clone();
detector.addTrack(participantId, clonedTrack, mediaTrack);
} else {
detector.addTrack(participantId, mediaTrack);
}
}
}
}
const invitedUserId = useCall.getState().invitedUserId;
if (invitedUserId != null) {
setTimeout(async () => {
void sendCallInvite(invitedUserId).catch((error) => {
toast("error", "Failed to send call invite.");
log(1, "call", "red", "Failed to send call invite", error);
});
}, 1000);
}
log(2, "call", "purple", "Connected to call", {
callId: useCall.getState().callId,
callSecret: useCall.getState().callSecret,
});
};
const onDisconnected = () => {
useCall.setState({ state: "closed" });
syncParticipantState();
log(2, "call", "purple", "Disconnected from call", {
callId: useCall.getState().callId,
callSecret: useCall.getState().callSecret,
});
};
const onParticipantConnected = () => {
syncAllRemoteTrackSubscriptions();
syncParticipantState();
};
const onParticipantDisconnected = (participant: Participant) => {
const participantId = getParticipantId(participant.identity);
if (participantId != null) {
stopWatchingStream(participantId);
getSpeakingDetector().removeParticipant(participantId);
}
syncParticipantState();
};
const onMediaDeviceFailure = (error: Error, kind?: MediaDeviceKind) => {
log(1, "call", "red", "Media device failure", { error, kind });
toast("error", "Media device failure. See console for details.");
};
const onEncryptionError = (error: Error) => {
log(1, "call", "red", "Encryption error", { error });
toast("error", "Error during call encryption. See console for details.");
};
const onParticipantStateChange = () => {
syncParticipantState();
void ensureNoiseFilter(noiseFilter);
};
const onLocalTrackPublished = (publication: LocalTrackPublication) => {
if (
publication.kind === Track.Kind.Audio &&
publication.source === Track.Source.Microphone &&
publication.track
) {
const participantId = getParticipantId(room.localParticipant.identity);
if (participantId != null) {
const originalTrack = publication.track.mediaStreamTrack;
const clonedTrack = originalTrack.clone();
getSpeakingDetector().addTrack(
participantId,
clonedTrack,
originalTrack,
);
}
}
syncParticipantState();
void ensureNoiseFilter(noiseFilter);
};
const onLocalTrackUnpublished = (publication: LocalTrackPublication) => {
if (
publication.kind === Track.Kind.Audio &&
publication.source === Track.Source.Microphone
) {
const participantId = getParticipantId(room.localParticipant.identity);
if (participantId != null) {
getSpeakingDetector().removeParticipant(participantId);
}
}
syncParticipantState();
};
const onTrackPublished = (
publication: RemoteTrackPublication,
participant: RemoteParticipant,
) => {
const participantId = getParticipantId(participant.identity);
if (participantId != null) {
if (
publication.kind === Track.Kind.Audio &&
publication.source !== Track.Source.ScreenShareAudio
) {
publication.setSubscribed(true);
} else {
publication.setSubscribed(false);
}
}
onParticipantStateChange();
};
const onTrackSubscribed = (
track: RemoteTrack,
publication: RemoteTrackPublication,
participant: RemoteParticipant,
) => {
if (track.kind === "audio" && track.sid) {
attachRemoteAudio(track.sid, track.attach());
const participantId = getParticipantId(participant.identity);
if (
participantId != null &&
publication.source === Track.Source.Microphone
) {
getSpeakingDetector().addTrack(participantId, track.mediaStreamTrack);
}
}
syncParticipantState();
};
const onTrackUnsubscribed = (
track: RemoteTrack,
publication: RemoteTrackPublication,
participant: Participant,
) => {
const participantId = getParticipantId(participant.identity);
if (track.kind === "audio" && track.sid) {
track.detach();
detachRemoteAudio(track.sid);
if (
participantId != null &&
publication.source === Track.Source.Microphone
) {
getSpeakingDetector().removeParticipant(participantId);
}
}
if (
participantId != null &&
getTrackPublicationBySource(participant, Track.Source.ScreenShare)
?.track == null
) {
stopWatchingStream(participantId);
}
syncParticipantState();
};
const room = getRoom();
room.on(RoomEvent.Connected, onConnected);
room.on(RoomEvent.Reconnected, onConnected);
room.on(RoomEvent.Disconnected, onDisconnected);
room.on(RoomEvent.TrackSubscribed, onTrackSubscribed);
room.on(RoomEvent.TrackUnsubscribed, onTrackUnsubscribed);
room.on(RoomEvent.TrackPublished, onTrackPublished);
room.on(RoomEvent.TrackUnpublished, onParticipantStateChange);
room.on(RoomEvent.ParticipantConnected, onParticipantConnected);
room.on(RoomEvent.ParticipantDisconnected, onParticipantDisconnected);
room.on(RoomEvent.TrackMuted, onParticipantStateChange);
room.on(RoomEvent.TrackUnmuted, onParticipantStateChange);
room.on(RoomEvent.LocalTrackPublished, onLocalTrackPublished);
room.on(RoomEvent.LocalTrackUnpublished, onLocalTrackUnpublished);
room.on(RoomEvent.MediaDevicesError, onMediaDeviceFailure);
room.on(RoomEvent.EncryptionError, onEncryptionError);
room.on(RoomEvent.ConnectionStateChanged, onParticipantStateChange);
void ensureNoiseFilter(noiseFilter);
syncParticipantState();
return () => {
room.off(RoomEvent.Connected, onConnected);
room.off(RoomEvent.Reconnected, onConnected);
room.off(RoomEvent.Disconnected, onDisconnected);
room.off(RoomEvent.TrackSubscribed, onTrackSubscribed);
room.off(RoomEvent.TrackUnsubscribed, onTrackUnsubscribed);
room.off(RoomEvent.TrackPublished, onTrackPublished);
room.off(RoomEvent.TrackUnpublished, onParticipantStateChange);
room.off(RoomEvent.ParticipantConnected, onParticipantConnected);
room.off(RoomEvent.ParticipantDisconnected, onParticipantDisconnected);
room.off(RoomEvent.TrackMuted, onParticipantStateChange);
room.off(RoomEvent.TrackUnmuted, onParticipantStateChange);
room.off(RoomEvent.LocalTrackPublished, onLocalTrackPublished);
room.off(RoomEvent.LocalTrackUnpublished, onLocalTrackUnpublished);
room.off(RoomEvent.MediaDevicesError, onMediaDeviceFailure);
room.off(RoomEvent.EncryptionError, onEncryptionError);
room.off(RoomEvent.ConnectionStateChanged, onParticipantStateChange);
clearRemoteAudio();
listenersRegistered.current = false;
room.disconnect();
if (_e2eeWorker) _e2eeWorker.terminate();
};
}, [noiseFilter, load]);
// fetch call data for preview page
useEffect(() => {
if (view !== "preview" || !callId) {
return;
}
send("call_data", { call_id: callId })
.then((data) => {
setCurrentCallData({
...(data.data as z.infer<typeof ttp.call_data.response>),
exists: true,
});
})
.catch((err) => {
log(1, "call", "red", "Failed to get call data", {
callId,
error: err,
});
setCurrentCallData({
user_ids: [],
exists: false,
});
});
}, [callId, send, view]);
return incomingCallInvite ? (
<InvitePopup
open
setOpen={setInvitePopupOpen}
onAccept={respondToInvite}
user={incomingCallInvite.senderId}
/>
) : null;
}