328 lines
15 KiB
JavaScript
328 lines
15 KiB
JavaScript
import { List, ListItem, Avatar, Span, Dialog, Button, Input } from './weigets.js'
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export default class ClientList {
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constructor({ channels = {}, EventListeners = {}, name: username, onexit }) {
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this.event = { onexit }
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this.channels = channels
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this.EventListeners = EventListeners
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const protocol = window.location.protocol === 'https:' ? 'wss' : 'ws'
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const host = window.location.host
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this.clientlist = []
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this.element = List({
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style: {
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position: 'fixed',
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top: '0',
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right: '0',
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display: 'flex',
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flexDirection: 'wrap',
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alignItems: 'center',
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listStyle: 'none',
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padding: '0 1rem',
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}
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})
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document.body.appendChild(this.element)
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// 连接 WebSocket
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const linkStart = () => {
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const websocket = new WebSocket(`${protocol}://${host}/webrtc/music?name=${username}`)
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websocket.onmessage = async event => {
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const data = JSON.parse(event.data)
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const webrtc_init = async () => {
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const webrtc = new RTCPeerConnection({
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iceServers: [
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{
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urls: 'turn:satori.love:3478?transport=udp',
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username: 'x-username',
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credential: 'x-password'
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},
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{
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urls: [
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'stun:stun.1und1.de',
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'stun:stun.callwithus.com',
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'stun:stun.ekiga.net',
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'stun:stun.fwdnet.net',
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'stun:stun.fwdnet.net:3478',
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'stun:stun.gmx.net',
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'stun:stun.iptel.org',
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'stun:stun.internetcalls.com',
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'stun:stun.minisipserver.com',
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'stun:stun.schlund.de',
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'stun:stun.sipgate.net',
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'stun:stun.sipgate.net:10000',
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'stun:stun.softjoys.com',
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'stun:stun.softjoys.com:3478',
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'stun:stun.voip.aebc.com',
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'stun:stun.voipbuster.com',
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'stun:stun.voipstunt.com',
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'stun:stun.voxgratia.org',
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'stun:stun.wirlab.net',
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'stun:stun.xten.com',
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'stun:stunserver.org',
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'stun:stun01.sipphone.com',
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'stun:stun.zoiper.com'
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]
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}
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],
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iceCandidatePoolSize: 10, // 限制 ICE 候选者的数量
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iceTransportPolicy: 'all', // 使用所有可用的候选者
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bundlePolicy: 'balanced', // 每種類型的內容建立一個單獨的傳輸
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})
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webrtc.ondatachannel = ({ channel }) => {
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console.debug(data.name, '建立', channel.label, '数据通道')
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const client = this.clientlist.find(x => x.id === data.id)
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const option = this.channels[channel.label]
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channel.onopen = event => {
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console.debug('对方打开', channel.label, '数据通道')
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if (option && option.onopen) {
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option.onopen(event, client)
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}
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}
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channel.onmessage = event => {
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//console.log('对方发送', channel.label, '数据消息')
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if (option && option.onmessage) {
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option.onmessage(event, client)
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}
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}
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channel.onclose = event => {
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console.debug('对方关闭', channel.label, '数据通道')
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if (option && option.onclose) {
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option.onclose(event, client)
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}
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}
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channel.onerror = event => {
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console.error(data.name, '通道', channel.label, '发生错误')
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if (option && option.onerror) {
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option.onerror(event, client)
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}
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}
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}
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webrtc.onicecandidate = event => {
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if (event.candidate) {
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websocket.send(JSON.stringify({
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type: 'candidate',
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id: data.id,
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candidate: event.candidate
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}))
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}
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}
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webrtc.oniceconnectionstatechange = async event => {
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if (webrtc.iceConnectionState === 'disconnected' || webrtc.iceConnectionState === 'failed') {
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console.error(data.name, '需要添加新的 candidate')
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// 添加新的 candidate
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} else if (webrtc.iceConnectionState === 'connected' || webrtc.iceConnectionState === 'completed') {
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console.debug(data.name, 'WebRTC 连接已经建立成功')
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}
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}
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const channels = Object.entries(this.channels).map(([name, callback]) => {
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const channel = webrtc.createDataChannel(name, { reliable: true })
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return channel
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})
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return { webrtc, channels }
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}
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if (data.type === 'list') {
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console.debug('取得在线对端列表:', data)
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const { webrtc, channels } = await webrtc_init()
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console.debug('发送给对方 offer')
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const offer = await webrtc.createOffer()
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await webrtc.setLocalDescription(offer)
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this.clientlist.push({ id: data.id, name: data.name, webrtc, channels })
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websocket.send(JSON.stringify({ type: 'offer', id: data.id, offer }))
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// 传递正确的指针给元素, 以便其能够调取正确的头像
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this.push(this.clientlist.find(client => client.id === data.id))
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return
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}
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if (data.type === 'push') {
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console.debug('新上线客户端:', data)
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return
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}
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if (data.type === 'pull') {
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console.debug('移除客户端:', data)
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return this.exit(data)
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}
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if (data.type === 'offer') {
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console.debug('收到对方 offer', data)
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const { webrtc, channels } = await webrtc_init()
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this.clientlist.push({ id: data.id, name: data.name, webrtc, channels })
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// 传递正确的指针给元素, 以便其能够调取正确的头像
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this.push(this.clientlist.find(client => client.id === data.id))
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console.debug('发送给对方 answer')
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await webrtc.setRemoteDescription(data.offer)
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const answer = await webrtc.createAnswer()
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await webrtc.setLocalDescription(answer)
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websocket.send(JSON.stringify({ type: 'answer', id: data.id, answer }))
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return
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}
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if (data.type === 'answer') {
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console.debug('收到对方 answer', data)
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const webrtc = this.clientlist.find(client => client.id === data.id).webrtc
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await webrtc.setRemoteDescription(data.answer)
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return
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}
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if (data.type === 'candidate') {
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console.debug(data.name, '发来 candidate 候选通道')
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const webrtc = this.clientlist.find(client => client.id === data.id).webrtc
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await webrtc.addIceCandidate(data.candidate)
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return
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}
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console.error('收到未知数据:', data)
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}
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websocket.onclose = async event => {
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console.log('WebSocket 断线重连...')
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await new Promise(resolve => setTimeout(resolve, 10000))
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// this.websocket = linkStart()
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// 调试模式: 直接刷新页面重载
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window.location.reload()
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}
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return websocket
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}
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this.websocket = linkStart()
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// 也插入自己的信息
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const avatar = localStorage.getItem('avatar')
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this.push({ id: 'self', name: username, avatar }, true)
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}
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getAvatar(id) { }
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setAvatar(user) {
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console.info('更新avatar', user)
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document.getElementById(user.id).querySelector('img').src = user.avatar
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const u = this.clientlist.find(client => client.id === user.id)
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u.avatar = user.avatar
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console.log(u, user)
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//.avatar = user.avatar
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}
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exit(item) {
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const client = this.clientlist.find(client => client.id === item.id)
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if (!client) return console.error('目标用户本不存在')
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this.clientlist = this.clientlist.filter(client => client.id !== item.id)
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this.element.removeChild(document.getElementById(item.id))
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this.event.onexit(client)
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}
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setChannel(name, option) {
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this.channels[name] = option
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}
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// 新上线客户端
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push(item, self = false) {
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this.element.appendChild(ListItem({
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id: item.id,
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style: {
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margin: '0 8px',
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cursor: 'pointer',
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display: 'flex',
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flexDirection: 'column',
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alignItems: 'center',
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fontSize: '12px',
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borderRadius: '8px',
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},
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children: [
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Avatar({
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src: item.avatar ?? '/favicon.ico',
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style: {
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width: '32px',
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height: '32px',
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borderRadius: '50%',
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cursor: 'pointer',
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},
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}),
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Span({
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textContent: item.name ?? item.id
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})
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],
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onclick: event => document.body.appendChild(Dialog({
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children: [
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Avatar({
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src: item.avatar ?? '/favicon.ico',
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style: {
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width: '240px',
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height: '240px',
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borderRadius: '8px',
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margin: '0 auto',
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display: 'block',
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cursor: 'pointer',
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},
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onclick: event => {
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console.log('点击头像', item)
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if (!self) return console.log('只能修改自己的头像')
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const input = document.createElement('input')
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input.type = 'file'
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input.accept = 'image/*'
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input.onchange = async event => {
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const file = event.target.files[0]
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const reader = new FileReader()
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reader.readAsDataURL(file)
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reader.onload = async event => {
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const base64 = event.target.result
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localStorage.setItem('avatar', base64)
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window.location.reload() // 简单刷新页面
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}
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}
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input.click()
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}
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}),
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Input({
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style: {
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width: '100px',
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border: '2px dotted #bbb',
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borderRadius: '50%',
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outline: 'none',
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padding: '5px 0',
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textAlign: 'center',
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position: 'absolute',
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bottom: '-2px',
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background: 'rgba(255, 255, 255, 0.8)',
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},
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readOnly: !self, // 如果不是自己, 则不可编辑
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value: item.name ?? item.id,
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type: 'text',
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placeholder: '请设置你的昵称',
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onchange: event => {
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localStorage.setItem('username', event.target.value)
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window.location.reload() // 简单刷新页面
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}
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})
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]
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}))
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}))
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}
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// 添加回调函数
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on(name, callback) {
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this.EventListeners[name] = callback
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}
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// 执行回调函数
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_on(name, ...args) {
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if (this.EventListeners[name]) {
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this.EventListeners[name](...args)
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}
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}
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// 通过指定通道发送数据(单播)
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sendto(id, name, data) {
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const client = this.clientlist.find(client => client.id === id)
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if (!client) {
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console.error('客户端不存在:', id)
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return
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}
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if (!client.channels.find(ch => ch.label === name)) {
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console.error('通道不存在:', name)
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return
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}
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client.channels.filter(ch => ch.label === name).forEach(async ch => {
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// 等待 datachannel 打开(临时解决方案)
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while (ch.readyState !== 'open') {
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await new Promise(resolve => setTimeout(resolve, 100))
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}
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ch.send(data)
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})
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}
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// 通过指定通道发送数据(广播)
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send(name, data) {
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this.clientlist.forEach(client => {
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client.channels.filter(ch => ch.label === name).forEach(async ch => {
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// 等待 datachannel 打开(临时解决方案)
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while (ch.readyState !== 'open') {
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await new Promise(resolve => setTimeout(resolve, 100))
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}
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ch.send(data)
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})
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})
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}
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}
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