513 lines
14 KiB
JavaScript
513 lines
14 KiB
JavaScript
import 'stream-browserify' // see https://github.com/ericgundrum/pouch-websocket-sync-example/commit/2a4437b013092cc7b2cd84cf1499172c84a963a3
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import url from 'url'
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import mumbleConnect from 'mumble-client-websocket'
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import CodecsBrowser from 'mumble-client-codecs-browser'
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import BufferQueueNode from 'web-audio-buffer-queue'
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import MicrophoneStream from 'microphone-stream'
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import audioContext from 'audio-context'
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import chunker from 'stream-chunker'
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import Resampler from 'libsamplerate.js'
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import getUserMedia from 'getusermedia'
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import ko from 'knockout'
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import _dompurify from 'dompurify'
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const dompurify = _dompurify(window)
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function sanitize (html) {
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return dompurify.sanitize(html, {
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ALLOWED_TAGS: ['br', 'b', 'i', 'u', 'a', 'span', 'p']
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})
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}
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// GUI
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function ConnectDialog () {
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var self = this
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self.address = ko.observable('')
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self.port = ko.observable('443')
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self.token = ko.observable('')
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self.username = ko.observable('')
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self.visible = ko.observable(true)
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self.show = self.visible.bind(self.visible, true)
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self.hide = self.visible.bind(self.visible, false)
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self.connect = function () {
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self.hide()
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ui.connect(self.username(), self.address(), self.port(), self.token())
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}
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}
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function ConnectionInfo () {
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var self = this
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self.visible = ko.observable(false)
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self.show = function () {
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self.visible(true)
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}
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}
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function CommentDialog () {
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var self = this
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self.visible = ko.observable(false)
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self.show = function () {
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self.visible(true)
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}
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}
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function SettingsDialog () {
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var self = this
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self.visible = ko.observable(false)
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self.show = function () {
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self.visible(true)
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}
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}
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class GlobalBindings {
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constructor () {
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this.client = null
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this.connectDialog = new ConnectDialog()
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this.connectionInfo = new ConnectionInfo()
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this.commentDialog = new CommentDialog()
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this.settingsDialog = new SettingsDialog()
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this.log = ko.observableArray()
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this.thisUser = ko.observable()
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this.root = ko.observable()
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this.messageBox = ko.observable('')
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this.selected = ko.observable()
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this.select = element => {
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this.selected(element)
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}
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this.getTimeString = () => {
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return '[' + new Date().toLocaleTimeString('en-US') + ']'
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}
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this.connect = (username, host, port, token) => {
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this.resetClient()
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log('Connecting to server ', host)
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// TODO: token
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mumbleConnect(`wss://${host}:${port}`, {
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username: username,
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codecs: CodecsBrowser
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}).done(client => {
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log('Connected!')
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this.client = client
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// Prepare for connection errors
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client.on('error', function (err) {
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log('Connection error:', err)
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this.resetClient()
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})
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// Register all channels, recursively
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const registerChannel = channel => {
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this._newChannel(channel)
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channel.children.forEach(registerChannel)
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}
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registerChannel(client.root)
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// Register all users
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client.users.forEach(user => this._newUser(user))
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// Register future channels
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client.on('newChannel', channel => this._newChannel(channel))
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// Register future users
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client.on('newUser', user => this._newUser(user))
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// Handle messages
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client.on('message', (sender, message, users, channels, trees) => {
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ui.log.push({
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type: 'chat-message',
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user: sender.__ui,
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channel: channels.length > 0,
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message: sanitize(message)
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})
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})
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// Set own user and root channel
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this.thisUser(client.self.__ui)
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this.root(client.root.__ui)
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// Upate linked channels
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this._updateLinks()
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// Log welcome message
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if (client.welcomeMessage) {
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this.log.push({
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type: 'welcome-message',
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message: sanitize(client.welcomeMessage)
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})
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}
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}, err => {
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log('Connection error:', err)
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})
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}
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this._newUser = user => {
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const simpleProperties = {
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uniqueId: 'uid',
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username: 'name',
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mute: 'mute',
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deaf: 'deaf',
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suppress: 'suppress',
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selfMute: 'selfMute',
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selfDeaf: 'selfDeaf',
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comment: 'comment'
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}
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var ui = user.__ui = {
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model: user,
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talking: ko.observable('off'),
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channel: ko.observable()
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}
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Object.entries(simpleProperties).forEach(key => {
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ui[key[1]] = ko.observable(user[key[0]])
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})
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ui.state = ko.pureComputed(userToState, ui)
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if (user.channel) {
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ui.channel(user.channel.__ui)
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ui.channel().users.push(ui)
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ui.channel().users.sort(compareUsers)
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}
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user.on('update', (actor, properties) => {
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Object.entries(simpleProperties).forEach(key => {
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if (properties[key[0]] !== undefined) {
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ui[key[1]](properties[key[0]])
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}
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})
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if (properties.channel !== undefined) {
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if (ui.channel()) {
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ui.channel().users.remove(ui)
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}
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ui.channel(properties.channel.__ui)
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ui.channel().users.push(ui)
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ui.channel().users.sort(compareUsers)
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this._updateLinks()
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}
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}).on('remove', () => {
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if (ui.channel()) {
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ui.channel().users.remove(ui)
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}
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}).on('voice', stream => {
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console.log(`User ${user.username} started takling`)
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var userNode = new BufferQueueNode({
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audioContext: audioContext
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})
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userNode.connect(audioContext.destination)
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var resampler = new Resampler({
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unsafe: true,
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type: Resampler.Type.ZERO_ORDER_HOLD,
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ratio: audioContext.sampleRate / 48000
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})
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resampler.pipe(userNode)
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stream.on('data', data => {
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if (data.target === 'normal') {
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ui.talking('on')
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} else if (data.target === 'shout') {
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ui.talking('shout')
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} else if (data.target === 'whisper') {
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ui.talking('whisper')
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}
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resampler.write(Buffer.from(data.pcm.buffer))
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}).on('end', () => {
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console.log(`User ${user.username} stopped takling`)
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ui.talking('off')
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resampler.end()
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})
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})
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}
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this._newChannel = channel => {
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const simpleProperties = {
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position: 'position',
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name: 'name',
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description: 'description'
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}
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var ui = channel.__ui = {
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model: channel,
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expanded: ko.observable(true),
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parent: ko.observable(),
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channels: ko.observableArray(),
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users: ko.observableArray(),
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linked: ko.observable(false)
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}
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Object.entries(simpleProperties).forEach(key => {
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ui[key[1]] = ko.observable(channel[key[0]])
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})
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if (channel.parent) {
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ui.parent(channel.parent.__ui)
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ui.parent().channels.push(ui)
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ui.parent().channels.sort(compareChannels)
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}
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this._updateLinks()
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channel.on('update', properties => {
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Object.entries(simpleProperties).forEach(key => {
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if (properties[key[0]] !== undefined) {
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ui[key[1]](properties[key[0]])
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}
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})
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if (properties.parent !== undefined) {
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if (ui.parent()) {
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ui.parent().channel.remove(ui)
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}
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ui.parent(properties.parent.__ui)
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ui.parent().channels.push(ui)
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ui.parent().channels.sort(compareChannels)
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}
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if (properties.links !== undefined) {
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this._updateLinks()
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}
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}).on('remove', () => {
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if (ui.parent()) {
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ui.parent().channels.remove(ui)
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}
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this._updateLinks()
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})
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}
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this.resetClient = () => {
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if (this.client) {
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this.client.disconnect()
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}
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this.client = null
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this.thisUser(null).root(null).selected(null)
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}
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this.connected = () => this.thisUser() != null
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this.messageBoxHint = ko.pureComputed(() => {
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if (!this.thisUser()) {
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return '' // Not yet connected
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}
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var target = this.selected()
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if (!target) {
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target = this.thisUser()
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}
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if (target === this.thisUser()) {
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target = target.channel()
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}
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if (target.users) { // Channel
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return "Type message to channel '" + target.name() + "' here"
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} else { // User
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return "Type message to user '" + target.name() + "' here"
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}
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})
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this.submitMessageBox = () => {
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this.sendMessage(this.selected(), this.messageBox())
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this.messageBox('')
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}
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this.sendMessage = (target, message) => {
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if (this.connected()) {
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// If no target is selected, choose our own user
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if (!target) {
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target = this.thisUser()
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}
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// If target is our own user, send to our channel
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if (target === this.thisUser()) {
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target = target.channel()
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}
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// Send message
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target.model.sendMessage(message)
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if (target.users) { // Channel
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this.log.push({
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type: 'chat-message-self',
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message: sanitize(message),
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channel: target
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})
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} else { // User
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this.log.push({
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type: 'chat-message-self',
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message: sanitize(message),
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user: target
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})
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}
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}
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}
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this.requestMove = (user, channel) => {
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if (this.connected()) {
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user.model.setChannel(channel.model)
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}
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}
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this.requestMute = user => {
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if (this.connected()) {
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if (user === this.thisUser) {
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this.client.setSelfMute(true)
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} else {
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user.model.setMute(true)
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}
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}
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}
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this.requestDeaf = user => {
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if (this.connected()) {
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if (user === this.thisUser) {
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this.client.setSelfDeaf(true)
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} else {
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user.model.setDeaf(true)
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}
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}
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}
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this.requestUnmute = user => {
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if (this.connected()) {
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if (user === this.thisUser) {
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this.client.setSelfMute(false)
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} else {
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user.model.setMute(false)
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}
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}
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}
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this.requestUndeaf = user => {
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if (this.connected()) {
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if (user === this.thisUser) {
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this.client.setSelfDeaf(false)
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} else {
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user.model.setDeaf(false)
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}
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}
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}
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this._updateLinks = () => {
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if (!this.thisUser()) {
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return
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}
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var allChannels = getAllChannels(this.root(), [])
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var ownChannel = this.thisUser().channel().model
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var allLinked = findLinks(ownChannel, [])
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allChannels.forEach(channel => {
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channel.linked(allLinked.indexOf(channel.model) !== -1)
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})
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function findLinks (channel, knownLinks) {
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knownLinks.push(channel)
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channel.links.forEach(next => {
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if (next && knownLinks.indexOf(next) === -1) {
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findLinks(next, knownLinks)
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}
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})
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allChannels.map(c => c.model).forEach(next => {
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if (next && knownLinks.indexOf(next) === -1 && next.links.indexOf(channel) !== -1) {
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findLinks(next, knownLinks)
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}
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})
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return knownLinks
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}
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function getAllChannels (channel, channels) {
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channels.push(channel)
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channel.channels().forEach(next => getAllChannels(next, channels))
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return channels
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}
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}
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this.openSourceCode = () => {
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var homepage = require('../package.json').homepage
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window.open(homepage, '_blank').focus()
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}
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}
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}
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var ui = new GlobalBindings()
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// Used only for debugging
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window.mumbleUi = ui
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window.onload = function () {
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var queryParams = url.parse(document.location.href, true).query
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if (queryParams.address) {
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ui.connectDialog.address(queryParams.address)
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}
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if (queryParams.port) {
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ui.connectDialog.port(queryParams.port)
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}
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if (queryParams.token) {
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ui.connectDialog.token(queryParams.token)
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}
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if (queryParams.username) {
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ui.connectDialog.username(queryParams.username)
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}
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ko.applyBindings(ui)
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}
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function log () {
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console.log.apply(console, arguments)
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var args = []
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for (var i = 0; i < arguments.length; i++) {
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args.push(arguments[i])
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}
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ui.log.push({
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type: 'generic',
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value: args.join(' ')
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})
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}
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function compareChannels (c1, c2) {
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if (c1.position() === c2.position()) {
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return c1.name() === c2.name() ? 0 : c1.name() < c2.name() ? -1 : 1
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}
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return c1.position() - c2.position()
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}
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function compareUsers (u1, u2) {
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return u1.name() === u2.name() ? 0 : u1.name() < u2.name() ? -1 : 1
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}
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function userToState () {
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var flags = []
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// TODO: Friend
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if (this.uid()) {
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flags.push('Authenticated')
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}
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// TODO: Priority Speaker, Recording
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if (this.mute()) {
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flags.push('Muted (server)')
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}
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if (this.deaf()) {
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flags.push('Deafened (server)')
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}
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// TODO: Local Ignore (Text messages), Local Mute
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if (this.selfMute()) {
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flags.push('Muted (self)')
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}
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if (this.selfDeaf()) {
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flags.push('Deafened (self)')
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}
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return flags.join(', ')
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}
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// Audio input
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var resampler = new Resampler({
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unsafe: true,
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type: Resampler.Type.SINC_FASTEST,
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ratio: 48000 / audioContext.sampleRate
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})
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var voiceStream
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resampler.pipe(chunker(4 * 480)).on('data', function (data) {
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if (!voiceStream && ui.client) {
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voiceStream = ui.client.createVoiceStream()
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}
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if (voiceStream) {
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voiceStream.write(new Float32Array(data.buffer, data.byteOffset, data.byteLength / 4))
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}
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})
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getUserMedia({ audio: true }, function (err, userMedia) {
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if (err) {
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log('Cannot initialize user media. Microphone will not work:', err)
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} else {
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var micStream = new MicrophoneStream(userMedia, { objectMode: true })
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micStream.on('data', function (data) {
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resampler.write(Buffer.from(data.getChannelData(0).buffer))
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})
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}
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})
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