Files
element-call/src/state/ownMember/OwnMembership.ts

135 lines
4.2 KiB
TypeScript

/*
Copyright 2025 New Vector Ltd.
SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
Please see LICENSE in the repository root for full details.
*/
import { LiveKitReactNativeInfo } from "livekit-client";
import { Behavior, constant } from "../Behavior";
import { LivekitTransport } from "matrix-js-sdk/lib/matrixrtc";
import { ConnectionManager } from "../remoteMembers/ConnectionManager";
const ownMembership$ = (
multiSfu: boolean,
preferStickyEvents: boolean,
connectionManager: ConnectionManager,
transport: LivekitTransport,
): {
connected: Behavior<boolean>;
transport: Behavior<LivekitTransport | null>;
} => {
const userId = this.matrixRoom.client.getUserId()!;
const deviceId = this.matrixRoom.client.getDeviceId()!;
const connection = connectionManager.registerTransports(
constant([transport]),
);
const publisher = new Publisher(connection);
// HOW IT WAS PREVIEOUSLY CREATED
// new PublishConnection(
// {
// transport,
// client: this.matrixRoom.client,
// scope,
// remoteTransports$: this.remoteTransports$,
// livekitRoomFactory: this.options.livekitRoomFactory,
// },
// this.mediaDevices,
// this.muteStates,
// this.e2eeLivekitOptions(),
// this.scope.behavior(this.trackProcessorState$),
// ),
/**
* The transport that we would personally prefer to publish on (if not for the
* transport preferences of others, perhaps).
*/
// DISCUSS move to ownMembership
private readonly preferredTransport$ = this.scope.behavior(
async$(makeTransport(this.matrixRTCSession)),
);
/**
* The transport over which we should be actively publishing our media.
* null when not joined.
*/
// DISCUSSION ownMembershipManager
private readonly localTransport$: Behavior<Async<LivekitTransport> | null> =
this.scope.behavior(
this.transports$.pipe(
map((transports) => transports?.local ?? null),
distinctUntilChanged<Async<LivekitTransport> | null>(deepCompare),
),
);
/**
* The transport we should advertise in our MatrixRTC membership (plus whether
* it is a multi-SFU transport and whether we should use sticky events).
*/
// DISCUSSION ownMembershipManager
private readonly advertisedTransport$: Behavior<{
multiSfu: boolean;
preferStickyEvents: boolean;
transport: LivekitTransport;
} | null> = this.scope.behavior(
this.transports$.pipe(
map((transports) =>
transports?.local.state === "ready" &&
transports.preferred.state === "ready"
? {
multiSfu: transports.multiSfu,
preferStickyEvents: transports.preferStickyEvents,
// In non-multi-SFU mode we should always advertise the preferred
// SFU to minimize the number of membership updates
transport: transports.multiSfu
? transports.local.value
: transports.preferred.value,
}
: null,
),
distinctUntilChanged<{
multiSfu: boolean;
preferStickyEvents: boolean;
transport: LivekitTransport;
} | null>(deepCompare),
),
);
// MATRIX RELATED
//
/**
* Whether we are "fully" connected to the call. Accounts for both the
* connection to the MatrixRTC session and the LiveKit publish connection.
*/
// DISCUSSION own membership manager
private readonly connected$ = this.scope.behavior(
and$(
this.matrixConnected$,
this.livekitConnectionState$.pipe(
map((state) => state === ConnectionState.Connected),
),
),
);
/**
* Whether we should tell the user that we're reconnecting to the call.
*/
// DISCUSSION own membership manager
public readonly reconnecting$ = this.scope.behavior(
this.connected$.pipe(
// We are reconnecting if we previously had some successful initial
// connection but are now disconnected
scan(
({ connectedPreviously }, connectedNow) => ({
connectedPreviously: connectedPreviously || connectedNow,
reconnecting: connectedPreviously && !connectedNow,
}),
{ connectedPreviously: false, reconnecting: false },
),
map(({ reconnecting }) => reconnecting),
),
);
return { connected: true, transport$ };
};