367 lines
11 KiB
JavaScript
367 lines
11 KiB
JavaScript
/* global $ */
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import Backbone from 'backbone'
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import { Howl } from 'howler'
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import Autolinker from 'autolinker'
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import _ from 'lodash'
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import underscore from 'underscore'
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import outdent from 'outdent'
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// TODO is this line good or bad
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// Backbone.$ = window.$
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const linker = new Autolinker({ newWindow: true, truncate: 50, email: false, phone: false, twitter: false })
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var Private = {
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messageHTML: outdent`
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<div class='chat-message'>
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<div class='chat-message-user'><img src='{{ user_image }}' title='{{user_name }}'/></div>
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<div class='chat-message-text'>{{ message }}</div>
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<div class='chat-message-time'>{{ timestamp }}</div>
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<div class='clearfloat'></div>
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</div>`,
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participantHTML: outdent`
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<div class='participant participant-{{ id }} {{ selfClass }}'>
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<div class='chat-participant-image'>
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<img src='{{ image }}' style='border: 2px solid {{ color }};' />
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</div>
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<div class='chat-participant-name'>
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{{ username }} {{ selfName }}
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</div>
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<button type='button'
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class='button chat-participant-invite-call'
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onclick='Metamaps.Realtime.inviteACall({{ id}});'
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></button>
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<button type='button'
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class='button chat-participant-invite-join'
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onclick='Metamaps.Realtime.inviteToJoin({{ id}});'
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></button>
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<span class='chat-participant-participating'>
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<div class='green-dot'></div>
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</span>
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<div class='clearfloat'></div>
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</div>`,
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templates: function() {
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underscore.templateSettings = {
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interpolate: /\{\{(.+?)\}\}/g
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}
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this.messageTemplate = underscore.template(Private.messageHTML)
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this.participantTemplate = underscore.template(Private.participantHTML)
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},
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createElements: function() {
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this.$unread = $('<div class="chat-unread"></div>')
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this.$button = $('<div class="chat-button"><div class="tooltips">Chat</div></div>')
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this.$messageInput = $('<textarea placeholder="Send a message..." class="chat-input"></textarea>')
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this.$juntoHeader = $('<div class="junto-header">PARTICIPANTS</div>')
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this.$videoToggle = $('<div class="video-toggle"></div>')
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this.$cursorToggle = $('<div class="cursor-toggle"></div>')
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this.$participants = $('<div class="participants"></div>')
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this.$conversationInProgress = $(outdent`
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<div class="conversation-live">
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LIVE
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<span class="call-action leave" onclick="Metamaps.Realtime.leaveCall();">
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LEAVE
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</span>
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<span class="call-action join" onclick="Metamaps.Realtime.joinCall();">
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JOIN
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</span>
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</div>`)
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this.$chatHeader = $('<div class="chat-header">CHAT</div>')
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this.$soundToggle = $('<div class="sound-toggle"></div>')
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this.$messages = $('<div class="chat-messages"></div>')
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this.$container = $('<div class="chat-box"></div>')
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},
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attachElements: function() {
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this.$button.append(this.$unread)
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this.$juntoHeader.append(this.$videoToggle)
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this.$juntoHeader.append(this.$cursorToggle)
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this.$chatHeader.append(this.$soundToggle)
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this.$participants.append(this.$conversationInProgress)
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this.$container.append(this.$juntoHeader)
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this.$container.append(this.$participants)
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this.$container.append(this.$chatHeader)
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this.$container.append(this.$button)
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this.$container.append(this.$messages)
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this.$container.append(this.$messageInput)
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},
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addEventListeners: function() {
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var self = this
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this.participants.on('add', function(participant) {
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Private.addParticipant.call(self, participant)
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})
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this.participants.on('remove', function(participant) {
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Private.removeParticipant.call(self, participant)
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})
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this.$button.on('click', function() {
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Handlers.buttonClick.call(self)
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})
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this.$videoToggle.on('click', function() {
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Handlers.videoToggleClick.call(self)
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})
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this.$cursorToggle.on('click', function() {
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Handlers.cursorToggleClick.call(self)
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})
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this.$soundToggle.on('click', function() {
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Handlers.soundToggleClick.call(self)
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})
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this.$messageInput.on('keyup', function(event) {
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Handlers.keyUp.call(self, event)
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})
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this.$messageInput.on('focus', function() {
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Handlers.inputFocus.call(self)
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})
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this.$messageInput.on('blur', function() {
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Handlers.inputBlur.call(self)
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})
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},
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initializeSounds: function(soundUrls) {
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this.sound = new Howl({
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src: soundUrls,
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sprite: {
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joinmap: [0, 561],
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leavemap: [1000, 592],
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receivechat: [2000, 318],
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sendchat: [3000, 296],
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sessioninvite: [4000, 5393, true]
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}
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})
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},
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incrementUnread: function() {
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this.unreadMessages++
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this.$unread.html(this.unreadMessages)
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this.$unread.show()
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},
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addMessage: function(message, isInitial, wasMe) {
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if (!this.isOpen && !isInitial) Private.incrementUnread.call(this)
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function addZero(i) {
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if (i < 10) {
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i = '0' + i
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}
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return i
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}
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var m = _.clone(message.attributes)
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m.timestamp = new Date(m.created_at)
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var date = (m.timestamp.getMonth() + 1) + '/' + m.timestamp.getDate()
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date += ' ' + addZero(m.timestamp.getHours()) + ':' + addZero(m.timestamp.getMinutes())
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m.timestamp = date
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m.image = m.user_image
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m.message = linker.link(m.message)
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var $html = $(this.messageTemplate(m))
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this.$messages.append($html)
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if (!isInitial) this.scrollMessages(200)
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if (!wasMe && !isInitial && this.alertSound) this.sound.play('receivechat')
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},
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initialMessages: function() {
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var messages = this.messages.models
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for (var i = 0; i < messages.length; i++) {
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Private.addMessage.call(this, messages[i], true)
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}
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},
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handleInputMessage: function() {
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var message = {
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message: this.$messageInput.val()
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}
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this.$messageInput.val('')
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$(document).trigger(ChatView.events.message + '-' + this.room, [message])
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},
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addParticipant: function(participant) {
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var p = _.clone(participant.attributes)
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if (p.self) {
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p.selfClass = 'is-self'
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p.selfName = '(me)'
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} else {
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p.selfClass = ''
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p.selfName = ''
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}
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var html = this.participantTemplate(p)
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this.$participants.append(html)
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},
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removeParticipant: function(participant) {
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this.$container.find('.participant-' + participant.get('id')).remove()
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}
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}
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var Handlers = {
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buttonClick: function() {
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if (this.isOpen) this.close()
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else if (!this.isOpen) this.open()
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},
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videoToggleClick: function() {
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this.$videoToggle.toggleClass('active')
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this.videosShowing = !this.videosShowing
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$(document).trigger(this.videosShowing ? ChatView.events.videosOn : ChatView.events.videosOff)
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},
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cursorToggleClick: function() {
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this.$cursorToggle.toggleClass('active')
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this.cursorsShowing = !this.cursorsShowing
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$(document).trigger(this.cursorsShowing ? ChatView.events.cursorsOn : ChatView.events.cursorsOff)
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},
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soundToggleClick: function() {
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this.alertSound = !this.alertSound
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this.$soundToggle.toggleClass('active')
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},
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keyUp: function(event) {
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switch (event.which) {
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case 13: // enter
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Private.handleInputMessage.call(this)
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break
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}
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},
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inputFocus: function() {
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$(document).trigger(ChatView.events.inputFocus)
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},
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inputBlur: function() {
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$(document).trigger(ChatView.events.inputBlur)
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}
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}
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const ChatView = function(messages, mapper, room) {
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this.room = room
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this.mapper = mapper
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this.messages = messages // backbone collection
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this.isOpen = false
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this.alertSound = true // whether to play sounds on arrival of new messages or not
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this.cursorsShowing = true
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this.videosShowing = true
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this.unreadMessages = 0
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this.participants = new Backbone.Collection()
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Private.templates.call(this)
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Private.createElements.call(this)
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Private.attachElements.call(this)
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Private.addEventListeners.call(this)
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Private.initialMessages.call(this)
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Private.initializeSounds.call(this, room.soundUrls)
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this.$container.css({
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right: '-300px'
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})
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}
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ChatView.prototype.conversationInProgress = function(participating) {
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this.$conversationInProgress.show()
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this.$participants.addClass('is-live')
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if (participating) this.$participants.addClass('is-participating')
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this.$button.addClass('active')
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// hide invite to call buttons
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}
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ChatView.prototype.conversationEnded = function() {
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this.$conversationInProgress.hide()
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this.$participants.removeClass('is-live')
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this.$participants.removeClass('is-participating')
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this.$button.removeClass('active')
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this.$participants.find('.participant').removeClass('active')
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this.$participants.find('.participant').removeClass('pending')
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}
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ChatView.prototype.leaveConversation = function() {
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this.$participants.removeClass('is-participating')
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}
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ChatView.prototype.mapperJoinedCall = function(id) {
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this.$participants.find('.participant-' + id).addClass('active')
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}
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ChatView.prototype.mapperLeftCall = function(id) {
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this.$participants.find('.participant-' + id).removeClass('active')
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}
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ChatView.prototype.invitationPending = function(id) {
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this.$participants.find('.participant-' + id).addClass('pending')
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}
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ChatView.prototype.invitationAnswered = function(id) {
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this.$participants.find('.participant-' + id).removeClass('pending')
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}
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ChatView.prototype.addParticipant = function(participant) {
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this.participants.add(participant)
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}
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ChatView.prototype.removeParticipant = function(username) {
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var p = this.participants.find(p => p.get('username') === username)
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if (p) {
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this.participants.remove(p)
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}
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}
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ChatView.prototype.removeParticipants = function() {
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this.participants.remove(this.participants.models)
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}
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ChatView.prototype.open = function() {
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this.$container.css({
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right: '0'
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})
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this.$messageInput.focus()
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this.isOpen = true
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this.unreadMessages = 0
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this.$unread.hide()
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this.scrollMessages(0)
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$(document).trigger(ChatView.events.openTray)
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}
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ChatView.prototype.addMessage = function(message, isInitial, wasMe) {
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this.messages.add(message)
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Private.addMessage.call(this, message, isInitial, wasMe)
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}
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ChatView.prototype.scrollMessages = function(duration) {
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duration = duration || 0
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this.$messages.animate({
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scrollTop: this.$messages[0].scrollHeight
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}, duration)
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}
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ChatView.prototype.clearMessages = function() {
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this.unreadMessages = 0
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this.$unread.hide()
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this.$messages.empty()
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}
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ChatView.prototype.close = function() {
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this.$container.css({
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right: '-300px'
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})
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this.$messageInput.blur()
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this.isOpen = false
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$(document).trigger(ChatView.events.closeTray)
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}
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ChatView.prototype.remove = function() {
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this.$button.off()
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this.$container.remove()
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}
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/**
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* @class
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* @static
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*/
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ChatView.events = {
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message: 'ChatView:message',
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openTray: 'ChatView:openTray',
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closeTray: 'ChatView:closeTray',
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inputFocus: 'ChatView:inputFocus',
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inputBlur: 'ChatView:inputBlur',
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cursorsOff: 'ChatView:cursorsOff',
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cursorsOn: 'ChatView:cursorsOn',
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videosOff: 'ChatView:videosOff',
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videosOn: 'ChatView:videosOn'
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}
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export default ChatView
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