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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2024 metamuffin <metamuffin.org>
*/
/// <reference lib="dom" />
import { OVar, e } from "../jshelper/mod.ts";
import { Logger } from "../jshelper/src/log.ts";
import { Player } from "./player.ts"
export function playersync_controls(sync_state: OVar<undefined | Playersync>, player: Player) {
let channel_name: HTMLInputElement;
let channel_name_copy: HTMLInputElement;
return e("div", { class: ["jsp-controlgroup", "jsp-playersync-controls"] },
e("h3", "Playersync"),
sync_state.map(sync => sync
? e("div",
e("span", "Sync enabled."),
e("button", "Disable", {
onclick: () => { sync_state.value?.destroy(); sync_state.value = undefined }
}),
e("p", "Session ID: ",
channel_name_copy = e("input", { type: "text", disabled: true, value: sync.name }),
e("button", "content_paste_go", {
class: "icon",
onclick: () => {
player.logger?.log("Session ID copied to clipboard.")
navigator.clipboard.writeText(channel_name_copy.value)
}
})
))
: e("div",
channel_name = e("input", { type: "text", placeholder: "someroom:example.org" }),
e("button", "Join", {
onclick: () => {
if (!channel_name.value.length) return
sync_state.value?.destroy()
sync_state.value = new Playersync(player, player.logger!, channel_name.value)
}
}), e("br"),
e("button", "Create new session", {
onclick: () => {
sync_state.value?.destroy()
sync_state.value = new Playersync(player, player.logger!)
}
}))
)
)
}
function get_username() {
return document.querySelector("nav .account .username")?.textContent ?? "Unknown User"
}
interface Packet {
time?: number,
playing?: boolean,
join?: string,
leave?: string,
}
export class Playersync {
private ws: WebSocket
private on_destroy: (() => void)[] = []
public name: string
private cancel_pers: undefined | (() => void)
set_pers(s?: string) {
if (this.cancel_pers) this.cancel_pers(), this.cancel_pers = undefined
if (s) this.cancel_pers = this.logger?.log_persistent(s)
}
constructor(private player: Player, private logger: Logger<string>, private channel_name?: string) {
this.set_pers("Playersync enabling...")
channel_name ??= Math.random().toString(16).padEnd(5, "0").substring(2).substring(0, 6)
let [localpart, remotepart, port] = channel_name.split(":")
if (!remotepart?.length) remotepart = window.location.host
if (port) remotepart += ":" + port
this.name = localpart + ":" + remotepart
this.ws = new WebSocket(`${window.location.protocol.endsWith("s:") ? "wss" : "ws"}://${remotepart}/playersync/${encodeURIComponent(localpart)}`)
this.on_destroy.push(() => this.ws.close())
this.ws.onopen = () => {
this.set_pers()
this.logger.log(`Playersync connected.`)
this.send({ join: get_username() })
}
this.ws.onerror = () => {
this.set_pers(`Playersync websocket error.`)
}
this.ws.onclose = () => {
this.set_pers(`Playersync websocket closed.`)
}
let last_time = 0;
this.ws.onmessage = ev => {
const packet: Packet = JSON.parse(ev.data)
console.log("playersync recv", packet);
if (packet.time !== undefined) {
this.player.seek(packet.time)
last_time = packet.time
}
if (packet.playing === true) this.player.play()
if (packet.playing === false) this.player.pause()
if (packet.join) this.logger.log(`${packet.join} joined.`)
if (packet.leave) this.logger.log(`${packet.leave} left.`)
}
let cb: () => void
const send_time = () => {
const time = this.player.video.currentTime
if (Math.abs(last_time - time) < 0.01) return
this.send({ time: this.player.video.currentTime })
}
player.video.addEventListener("play", cb = () => {
send_time()
this.send({ playing: true })
})
this.on_destroy.push(() => player.video.removeEventListener("play", cb))
player.video.addEventListener("pause", cb = () => {
this.send({ playing: false })
send_time()
})
this.on_destroy.push(() => player.video.removeEventListener("pause", cb))
player.video.addEventListener("seeking", cb = () => {
send_time()
})
this.on_destroy.push(() => player.video.removeEventListener("seeking", cb))
}
destroy() {
this.set_pers()
this.logger.log("Playersync disabled.")
this.on_destroy.forEach(f => f())
}
send(p: Packet) {
console.log("playersync send", p);
this.ws.send(JSON.stringify(p))
}
}
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