110 lines
4.1 KiB
TypeScript
110 lines
4.1 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {ObservableMap} from "../../../observable/map/ObservableMap";
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import {Member} from "./Member";
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import {LocalMedia} from "../LocalMedia";
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import {RoomMember} from "../../room/members/RoomMember";
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import type {Options as MemberOptions} from "./Member";
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import type {BaseObservableMap} from "../../../observable/map/BaseObservableMap";
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import type {Track} from "../../../platform/types/MediaDevices";
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import type {SignallingMessage, MGroupCallBase} from "../callEventTypes";
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import type {Room} from "../../room/Room";
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import type {StateEvent} from "../../storage/types";
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import type {Platform} from "../../../platform/web/Platform";
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import type {EncryptedMessage} from "../../e2ee/olm/Encryption";
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import type {ILogItem} from "../../../logging/types";
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export type Options = Omit<MemberOptions, "emitUpdate" | "confId" | "encryptDeviceMessage"> & {
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emitUpdate: (call: GroupCall, params?: any) => void;
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encryptDeviceMessage: (roomId: string, message: SignallingMessage<MGroupCallBase>, log: ILogItem) => Promise<EncryptedMessage>,
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};
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export class GroupCall {
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private readonly _members: ObservableMap<string, Member> = new ObservableMap();
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private localMedia?: Promise<LocalMedia>;
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private _memberOptions: MemberOptions;
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constructor(
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private callEvent: StateEvent,
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private readonly room: Room,
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private readonly options: Options
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) {
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this._memberOptions = Object.assign({
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confId: this.id,
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emitUpdate: member => this._members.update(member.member.userId, member),
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encryptDeviceMessage: (message: SignallingMessage<MGroupCallBase>, log) => {
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return this.options.encryptDeviceMessage(this.room.id, message, log);
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}
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}, options);
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}
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get members(): BaseObservableMap<string, Member> { return this._members; }
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get id(): string { return this.callEvent.state_key; }
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get isTerminated(): boolean {
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return this.callEvent.content["m.terminated"] === true;
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}
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async join(tracks: Promise<Track[]>) {
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this.localMedia = tracks.then(tracks => LocalMedia.fromTracks(tracks));
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// send m.call.member state event
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const request = this.options.hsApi.sendState(this.room.id, "m.call.member", this.options.ownUserId, {
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});
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await request.response();
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// send invite to all members that are < my userId
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for (const [,member] of this._members) {
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member.connect(this.localMedia);
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}
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}
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/** @internal */
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updateCallEvent(callEvent: StateEvent) {
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this.callEvent = callEvent;
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// TODO: emit update
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}
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/** @internal */
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addMember(userId, memberCallInfo) {
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let member = this._members.get(userId);
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if (member) {
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member.updateCallInfo(memberCallInfo);
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} else {
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member = new Member(RoomMember.fromUserId(this.room.id, userId, "join"), this._memberOptions);
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member.updateCallInfo(memberCallInfo);
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this._members.add(userId, member);
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}
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}
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/** @internal */
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removeMember(userId) {
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this._members.remove(userId);
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}
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/** @internal */
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handleDeviceMessage(message: SignallingMessage<MGroupCallBase>, userId: string, deviceId: string, log: ILogItem) {
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// TODO: return if we are not membering to the call
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let member = this._members.get(userId);
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if (member) {
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member.handleDeviceMessage(message, deviceId, log);
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} else {
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// we haven't received the m.call.member yet for this caller. buffer the device messages or create the member/call anyway?
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}
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}
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}
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