owncast/webroot/js/utils.js
2020-07-07 23:35:09 -07:00

146 lines
3.7 KiB
JavaScript

const LOCAL_TEST = true;
const MESSAGE_OFFLINE = 'Stream is offline.';
const MESSAGE_ONLINE = 'Stream is online.';
const URL_PREFIX = LOCAL_TEST ? 'https://goth.land' : '';
const URL_STATUS = `${URL_PREFIX}/status`;
const URL_STREAM = `${URL_PREFIX}/hls/stream.m3u8`;
const URL_WEBSOCKET = LOCAL_TEST
? 'wss://goth.land/entry'
: `${location.protocol === 'https:' ? 'wss' : 'ws'}://${location.host}/entry`;
const POSTER_DEFAULT = `${URL_PREFIX}/img/logo.png`;
const POSTER_THUMB = `${URL_PREFIX}/thumbnail.jpg`;
const SOCKET_MESSAGE_TYPES = {
CHAT: 'CHAT',
PING: 'PING'
}
const KEY_USERNAME = 'owncast_username';
const KEY_AVATAR = 'owncast_avatar';
const KEY_CHAT_DISPLAYED = 'owncast_chat';
const VIDEO_ID = 'video';
const URL_OWNCAST = 'https://github.com/gabek/owncast';
function getLocalStorage(key) {
try {
return localStorage.getItem(key);
} catch (e) {
}
return null;
}
function setLocalStorage(key, value) {
try {
if (value !== "" && value !== null) {
localStorage.setItem(key, value);
} else {
localStorage.removeItem(key);
}
return true;
} catch (e) {}
return false;
}
function clearLocalStorage(key) {
localStorage.removeItem(key);
}
// jump down to the max height of a div, with a slight delay
function jumpToBottom(element) {
if (!element) return;
setTimeout(() => {
element.scrollTo({
top: element.scrollHeight,
left: 0,
behavior: 'smooth'
});
}, 50, element);
}
// convert newlines to <br>s
function addNewlines(str) {
return str.replace(/(?:\r\n|\r|\n)/g, '<br />');
}
function pluralize(string, count) {
if (count === 1) {
return string;
} else {
return string + "s";
}
}
// Trying to determine if browser is mobile/tablet.
// Source: https://developer.mozilla.org/en-US/docs/Web/HTTP/Browser_detection_using_the_user_agent
function hasTouchScreen() {
var hasTouchScreen = false;
if ("maxTouchPoints" in navigator) {
hasTouchScreen = navigator.maxTouchPoints > 0;
} else if ("msMaxTouchPoints" in navigator) {
hasTouchScreen = navigator.msMaxTouchPoints > 0;
} else {
var mQ = window.matchMedia && matchMedia("(pointer:coarse)");
if (mQ && mQ.media === "(pointer:coarse)") {
hasTouchScreen = !!mQ.matches;
} else if ('orientation' in window) {
hasTouchScreen = true; // deprecated, but good fallback
} else {
// Only as a last resort, fall back to user agent sniffing
var UA = navigator.userAgent;
hasTouchScreen = (
/\b(BlackBerry|webOS|iPhone|IEMobile)\b/i.test(UA) ||
/\b(Android|Windows Phone|iPad|iPod)\b/i.test(UA)
);
}
}
return hasTouchScreen;
}
// generate random avatar from https://robohash.org
function generateAvatar(hash) {
const avatarSource = 'https://robohash.org/';
const optionSize = '?size=80x80';
const optionSet = '&set=set3';
const optionBg = ''; // or &bgset=bg1 or bg2
return avatarSource + hash + optionSize + optionSet + optionBg;
}
function generateUsername() {
return `User ${(Math.floor(Math.random() * 42) + 1)}`;
}
function setVideoPoster(online) {
const player = videojs(VIDEO_ID);
var cachebuster = Math.round(new Date().getTime() / 1000);
const poster = online ? POSTER_THUMB + "?okhi=" + cachebuster : POSTER_DEFAULT;
player.poster(poster);
}
function getExtraUserContent(path) {
fetch(path)
.then(response => {
if (!response.ok) {
throw new Error(`Network response was not ok ${response.ok}`);
}
return response.text();
})
.then(text => {
const descriptionHTML = new showdown.Converter().makeHtml(text);
app.extraUserContent = descriptionHTML;
})
.catch(error => {
console.log("Error", error);
});
}