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import { io } from "socket.io-client";
import { initializeTada } from "./tada";
import {
addPeer,
addIceCandidate,
answerPeerOffer,
processPeerAnswer,
removePeer,
resetPeers,
} from "./peers";
import { startMedia, stopMedia } from "./media";
const internals = {
kSocketUrl: "https://junction.tranquil.services",
kIceServers: [{ urls: "stun:stun.l.google.com:19302" }],
port: null,
socket: null,
onMessage(message) {
internals[message.action](message.data);
},
onError(error) {
// TODO: How do we want to handle errors?
console.error(error.stack || error);
},
connect() {
internals.port = chrome.runtime.connect({ name: "content" });
internals.port.onMessage.addListener(internals.onMessage);
},
async joinAudioCall({ currentUrl, tada }) {
try {
const mediaStream = await startMedia();
const playTada = initializeTada(tada);
const socket = (internals.socket = io(internals.kSocketUrl, {
transports: ["websocket"],
}));
socket.on("error", internals.handleError);
socket.on("connect_error", internals.handleError);
socket.on("connect", () => {
console.debug("Connected to signaling server, group: ", currentUrl);
playTada();
socket.emit("join", {
room: currentUrl,
});
});
socket.on("disconnect", () => {
console.debug("disconnected from signaling server");
});
socket.on("addPeer", ({ peerId, shouldCreateOffer }) => {
addPeer({
peerId,
shouldCreateOffer,
mediaStream,
onOffer: (data) => socket.emit("relayOffer", data),
socket,
});
playTada();
});
socket.on("offerReceived", async ({ peerId, offer }) => {
socket.emit("relayAnswer", await answerPeerOffer({ peerId, offer }));
});
socket.on("answerReceived", (data) => processPeerAnswer(data));
socket.on("ICECandidateReceived", (data) => addIceCandidate(data));
socket.on("removePeer", (data) => removePeer(data));
} catch (err) {
internals.port.postMessage({
action: "error",
});
internals.port.disconnect();
}
},
hangUp() {
resetPeers();
stopMedia();
internals.socket.close();
internals.port.disconnect();
},
};
internals.connect();
chrome.runtime.onConnect.addListener(() => {
internals.connect();
});
console.debug("Content Script Loaded");
// Indicates to the background script that we executed correctly
true;
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