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/*
This file is part of keks-meet (https://codeberg.org/metamuffin/keks-meet)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2023 metamuffin <metamuffin.org>
*/
/// <reference lib="dom" />
import { log } from "./logger.ts";
import { RemoteUser } from "./user/remote.ts";
import { LocalUser } from "./user/local.ts";
import { ClientboundPacket, RelayMessage } from "../../common/packets.d.ts";
import { SignalingConnection } from "./protocol/mod.ts";
import { e } from "./helper.ts";
import { Chat } from "./chat.ts";
export class Room {
public remote_users: Map<number, RemoteUser> = new Map()
public local_user!: LocalUser
public element: HTMLElement
public on_ready = () => { };
public destroy: () => void
constructor(public signaling: SignalingConnection, public chat: Chat, public rtc_config: RTCConfiguration) {
this.element = e("div", { class: "room", aria_label: "user list" })
const h1 = ([a, b]: [number, RelayMessage]) => this.relay_handler(a, b);
const h2 = (p: ClientboundPacket) => this.control_handler(p)
signaling.relay_handler.add_listener(h1)
signaling.control_handler.add_listener(h2)
this.destroy = () => {
signaling.relay_handler.remove_listener(h1)
signaling.control_handler.remove_listener(h2)
this.remote_users.forEach(v => v.leave())
this.local_user.resources.forEach(r => r.destroy())
this.remote_users = new Map()
}
}
control_handler(packet: ClientboundPacket) {
if (packet.message) return // let the relay handler do that
if (packet.init) {
log("ws", `<- [init packet]: `, packet);
// no need to check compat for now because this is hosted in the same place
log("*", `server: ${packet.init.version}`)
} else if (packet.client_join) {
log("ws", `<- [client join]: `, packet);
const p = packet.client_join
log("*", `${p.id} joined`);
if (p.id == this.signaling.my_id) {
this.local_user = new LocalUser(this, p.id);
this.on_ready()
} else {
const ru = new RemoteUser(this, p.id)
this.local_user.provide_initial_to_remote(ru)
this.local_user.identify(ru.id)
}
} else if (packet.client_leave) {
log("ws", `<- [client leave]: `, packet);
const p = packet.client_leave;
log("*", `${p.id} left`);
this.remote_users.get(p.id)?.leave()
}
}
relay_handler(sender_id: number, message: RelayMessage) {
const sender = this.remote_users.get(sender_id)
if (!sender) return console.warn("sender invalid, somebody is not in sync");
log("ws", `<- [relay from ${sender.display_name}]: `, message);
sender.on_relay(message)
}
}
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