ghostream/web/static/js/viewer.js

88 lines
2.7 KiB
JavaScript

import { GsWebSocket } from "./modules/websocket.js";
import { ViewerCounter } from "./modules/viewerCounter.js";
import { GsWebRTC } from "./modules/webrtc.js";
/**
* Initialize viewer page
*
* @param {String} stream
* @param {List} stunServers
* @param {Number} viewersCounterRefreshPeriod
*/
export function initViewerPage(stream, stunServers, viewersCounterRefreshPeriod) {
// Viewer element
const viewer = document.getElementById("viewer");
// Default quality
let quality = "source";
// Create WebSocket and WebRTC
const websocket = new GsWebSocket();
const webrtc = new GsWebRTC(
stunServers,
viewer,
document.getElementById("connectionIndicator"),
);
webrtc.createOffer();
webrtc.onICECandidate(localDescription => {
websocket.sendLocalDescription(localDescription, stream, quality);
});
websocket.onRemoteDescription(sdp => {
webrtc.setRemoteDescription(sdp);
});
// Register keyboard events
window.addEventListener("keydown", (event) => {
switch (event.key) {
case "f":
// F key put player in fullscreen
if (document.fullscreenElement !== null) {
document.exitFullscreen();
} else {
viewer.requestFullscreen();
}
break;
case "m":
case " ":
// M and space key mute player
viewer.muted = !viewer.muted;
event.preventDefault();
viewer.play();
break;
}
});
// Create viewer counter
const viewerCounter = new ViewerCounter(
document.getElementById("connected-people"),
stream,
);
viewerCounter.regularUpdate(viewersCounterRefreshPeriod);
viewerCounter.refreshViewersCounter();
// Side widget toggler
const sideWidgetToggle = document.getElementById("sideWidgetToggle");
const sideWidget = document.getElementById("sideWidget");
if (sideWidgetToggle !== null && sideWidget !== null) {
// On click, toggle side widget visibility
sideWidgetToggle.addEventListener("click", function () {
if (sideWidget.style.display === "none") {
sideWidget.style.display = "block";
sideWidgetToggle.textContent = "»";
} else {
sideWidget.style.display = "none";
sideWidgetToggle.textContent = "«";
}
});
}
// Video quality toggler
document.getElementById("quality").addEventListener("change", (event) => {
quality = event.target.value;
console.log(`Stream quality changed to ${quality}`);
// Restart WebRTC negociation
webrtc.createOffer();
});
}