yjs/src/Connectors/WebRTC.js
2015-09-11 18:35:32 +02:00

89 lines
2.5 KiB
JavaScript

/* global Y */
'use strict'
class WebRTC extends Y.AbstractConnector {
constructor (y, options) {
if (options === undefined) {
throw new Error('Options must not be undefined!')
}
if (options.room == null) {
throw new Error('You must define a room name!')
}
options.role = 'slave'
super(y, options)
var room = options.room
var webrtcOptions = {
url: options.url || 'https://yatta.ninja:8888',
room: options.room
}
var swr = new SimpleWebRTC(webrtcOptions) // eslint-disable-line no-undef
this.swr = swr
var self = this
swr.once('connectionReady', function (userId) {
// SimpleWebRTC (swr) is initialized
swr.joinRoom(room)
swr.once('joinedRoom', function () {
self.setUserId(userId)
/*
var i
// notify the connector class about all the users that already
// joined the session
for(i in self.swr.webrtc.peers){
self.userJoined(self.swr.webrtc.peers[i].id, "master")
}*/
swr.on('channelMessage', function (peer, room_, message) {
// The client received a message
// Check if the connector is already initialized,
// only then forward the message to the connector class
if (message.type != null) {
self.receiveMessage(peer.id, message.payload)
}
})
})
swr.on('createdPeer', function (peer) {
// a new peer/client joined the session.
// Notify the connector class, if the connector
// is already initialized
self.userJoined(peer.id, 'master')
})
swr.on('peerStreamRemoved', function (peer) {
// a client left the session.
// Notify the connector class, if the connector
// is already initialized
self.userLeft(peer.id)
})
})
}
send (uid, message) {
var self = this
// we have to make sure that the message is sent under all circumstances
var send = function () {
// check if the clients still exists
var peer = self.swr.webrtc.getPeers(uid)[0]
var success
if (peer) {
// success is true, if the message is successfully sent
success = peer.sendDirectly('simplewebrtc', 'yjs', message)
}
if (!success) {
// resend the message if it didn't work
setTimeout(send, 500)
}
}
// try to send the message
send()
}
broadcast (message) {
this.swr.sendDirectlyToAll('simplewebrtc', 'yjs', message)
}
}
Y.WebRTC = WebRTC