450 lines
14 KiB
JavaScript
450 lines
14 KiB
JavaScript
import {
|
|
setDebounce,
|
|
setVideoTime,
|
|
setPlaying,
|
|
} from "./watch-session.mjs?v=048af96";
|
|
import { emojify, findEmojis } from "./emojis.mjs?v=048af96";
|
|
import { linkify } from "./links.mjs";
|
|
|
|
function setCaretPosition(elem, caretPos) {
|
|
if (elem.createTextRange) {
|
|
var range = elem.createTextRange();
|
|
range.move("character", caretPos);
|
|
range.select();
|
|
} else {
|
|
if (elem.selectionStart) {
|
|
elem.focus();
|
|
elem.setSelectionRange(caretPos, caretPos);
|
|
} else elem.focus();
|
|
}
|
|
}
|
|
|
|
const setupChatboxEvents = (socket) => {
|
|
// clear events by just reconstructing the form
|
|
const oldChatForm = document.querySelector("#chatbox-send");
|
|
const chatForm = oldChatForm.cloneNode(true);
|
|
const messageInput = chatForm.querySelector("input");
|
|
const emojiAutocomplete = chatForm.querySelector("#emoji-autocomplete");
|
|
oldChatForm.replaceWith(chatForm);
|
|
|
|
let autocompleting = false,
|
|
showListTimer;
|
|
|
|
const replaceMessage = (message) => () => {
|
|
messageInput.value = message;
|
|
autocomplete();
|
|
};
|
|
async function autocomplete(fromListTimeout) {
|
|
if (autocompleting) return;
|
|
try {
|
|
clearInterval(showListTimer);
|
|
emojiAutocomplete.textContent = "";
|
|
autocompleting = true;
|
|
let text = messageInput.value.slice(0, messageInput.selectionStart);
|
|
const match = text.match(/(:[^\s:]+)?:([^\s:]*)$/);
|
|
if (!match || match[1]) return (autocompleting = false); // We don't need to autocomplete.
|
|
const prefix = text.slice(0, match.index);
|
|
const search = text.slice(match.index + 1);
|
|
if (search.length < 1 && !fromListTimeout) {
|
|
autocompleting = false;
|
|
showListTimer = setTimeout(() => autocomplete(true), 500);
|
|
return;
|
|
}
|
|
const suffix = messageInput.value.slice(messageInput.selectionStart);
|
|
let selected;
|
|
const select = (button) => {
|
|
if (selected) selected.classList.remove("selected");
|
|
selected = button;
|
|
button.classList.add("selected");
|
|
};
|
|
let results = await findEmojis(search);
|
|
let yieldAt = performance.now() + 13;
|
|
for (let i = 0; i < results.length; i += 100) {
|
|
emojiAutocomplete.append.apply(
|
|
emojiAutocomplete,
|
|
results.slice(i, i + 100).map(([name, replaceWith, ext], i) => {
|
|
const button = Object.assign(document.createElement("button"), {
|
|
className: "emoji-option",
|
|
onmousedown: (e) => e.preventDefault(),
|
|
onclick: () => {
|
|
messageInput.value = prefix + replaceWith + " " + suffix;
|
|
setCaretPosition(
|
|
messageInput,
|
|
(prefix + " " + replaceWith).length
|
|
);
|
|
},
|
|
onmouseover: () => select(button),
|
|
onfocus: () => select(button),
|
|
type: "button",
|
|
title: name,
|
|
});
|
|
button.append(
|
|
replaceWith[0] !== ":"
|
|
? Object.assign(document.createElement("span"), {
|
|
textContent: replaceWith,
|
|
className: "emoji",
|
|
})
|
|
: Object.assign(new Image(), {
|
|
loading: "lazy",
|
|
src: `/emojis/${name}${ext}`,
|
|
className: "emoji",
|
|
}),
|
|
Object.assign(document.createElement("span"), {
|
|
textContent: name,
|
|
className: "emoji-name",
|
|
})
|
|
);
|
|
return button;
|
|
})
|
|
);
|
|
if (i == 0 && emojiAutocomplete.children[0]) {
|
|
emojiAutocomplete.children[0].scrollIntoView();
|
|
select(emojiAutocomplete.children[0]);
|
|
}
|
|
const now = performance.now();
|
|
if (now > yieldAt) {
|
|
yieldAt = now + 13;
|
|
await new Promise((cb) => setTimeout(cb, 0));
|
|
}
|
|
}
|
|
autocompleting = false;
|
|
} catch (e) {
|
|
autocompleting = false;
|
|
}
|
|
}
|
|
messageInput.addEventListener("input", () => autocomplete());
|
|
messageInput.addEventListener("selectionchange", () => autocomplete());
|
|
messageInput.addEventListener("keydown", (event) => {
|
|
if (event.key == "ArrowUp" || event.key == "ArrowDown") {
|
|
let selected = document.querySelector(".emoji-option.selected");
|
|
if (!selected) return;
|
|
event.preventDefault();
|
|
selected.classList.remove("selected");
|
|
selected =
|
|
event.key == "ArrowDown"
|
|
? selected.nextElementSibling || selected.parentElement.children[0]
|
|
: selected.previousElementSibling ||
|
|
selected.parentElement.children[
|
|
selected.parentElement.children.length - 1
|
|
];
|
|
selected.classList.add("selected");
|
|
selected.scrollIntoView({ scrollMode: "if-needed", block: "nearest" });
|
|
}
|
|
if (event.key == "Tab") {
|
|
let selected = document.querySelector(".emoji-option.selected");
|
|
if (!selected) return;
|
|
event.preventDefault();
|
|
selected.onclick();
|
|
}
|
|
});
|
|
|
|
chatForm.addEventListener("submit", async (e) => {
|
|
e.preventDefault();
|
|
const content = messageInput.value;
|
|
if (content.trim().length) {
|
|
messageInput.value = "";
|
|
|
|
// handle commands
|
|
if (content.startsWith("/")) {
|
|
const command = content.toLowerCase().match(/^\/\S+/)[0];
|
|
const args = content.slice(command.length).trim();
|
|
|
|
let handled = false;
|
|
switch (command) {
|
|
case "/ping":
|
|
socket.send(
|
|
JSON.stringify({
|
|
op: "Ping",
|
|
data: args,
|
|
})
|
|
);
|
|
handled = true;
|
|
break;
|
|
case "/sync":
|
|
const sessionId = window.location.hash.slice(1);
|
|
const { current_time_ms, is_playing } = await fetch(
|
|
`/sess/${sessionId}`
|
|
).then((r) => r.json());
|
|
|
|
setDebounce();
|
|
setPlaying(is_playing);
|
|
setVideoTime(current_time_ms);
|
|
|
|
const syncMessageContent = document.createElement("span");
|
|
syncMessageContent.appendChild(
|
|
document.createTextNode("resynced you to ")
|
|
);
|
|
syncMessageContent.appendChild(
|
|
document.createTextNode(formatTime(current_time_ms))
|
|
);
|
|
printChatMessage("set-time", "/sync", "b57fdc", syncMessageContent);
|
|
handled = true;
|
|
break;
|
|
case "/shrug":
|
|
socket.send(
|
|
JSON.stringify({
|
|
op: "ChatMessage",
|
|
data: `${args} ¯\\_(ツ)_/¯`.trim(),
|
|
})
|
|
);
|
|
handled = true;
|
|
break;
|
|
case "/help":
|
|
const helpMessageContent = document.createElement("span");
|
|
helpMessageContent.innerHTML =
|
|
"Available commands:<br>" +
|
|
" <code>/help</code> - display this help message<br>" +
|
|
" <code>/ping [message]</code> - ping all viewers<br>" +
|
|
" <code>/sync</code> - resyncs you with other viewers<br>" +
|
|
" <code>/shrug</code> - appends ¯\\_(ツ)_/¯ to your message";
|
|
|
|
printChatMessage(
|
|
"command-message",
|
|
"/help",
|
|
"b57fdc",
|
|
helpMessageContent
|
|
);
|
|
handled = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (handled) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
// handle regular chat messages
|
|
socket.send(
|
|
JSON.stringify({
|
|
op: "ChatMessage",
|
|
data: content,
|
|
})
|
|
);
|
|
}
|
|
});
|
|
};
|
|
|
|
/**
|
|
* @param {WebSocket} socket
|
|
*/
|
|
export const setupChat = async (socket) => {
|
|
document.querySelector("#chatbox-container").style["display"] = "flex";
|
|
setupChatboxEvents(socket);
|
|
};
|
|
|
|
const addToChat = (node) => {
|
|
const chatbox = document.querySelector("#chatbox");
|
|
chatbox.appendChild(node);
|
|
chatbox.scrollTop = chatbox.scrollHeight;
|
|
};
|
|
|
|
let lastTimeMs = null;
|
|
let lastPlaying = false;
|
|
|
|
const checkDebounce = (event) => {
|
|
let timeMs = null;
|
|
let playing = null;
|
|
if (event.op == "SetTime") {
|
|
timeMs = event.data;
|
|
} else if (event.op == "SetPlaying") {
|
|
timeMs = event.data.time;
|
|
playing = event.data.playing;
|
|
}
|
|
|
|
let shouldIgnore = false;
|
|
|
|
if (timeMs != null) {
|
|
if (lastTimeMs && Math.abs(lastTimeMs - timeMs) < 500) {
|
|
shouldIgnore = true;
|
|
}
|
|
lastTimeMs = timeMs;
|
|
}
|
|
|
|
if (playing != null) {
|
|
if (lastPlaying != playing) {
|
|
shouldIgnore = false;
|
|
}
|
|
lastPlaying = playing;
|
|
}
|
|
|
|
return shouldIgnore;
|
|
};
|
|
|
|
/**
|
|
* @returns {string}
|
|
*/
|
|
const getCurrentTimestamp = () => {
|
|
const t = new Date();
|
|
return `${matpad(t.getHours())}:${matpad(t.getMinutes())}:${matpad(
|
|
t.getSeconds()
|
|
)}`;
|
|
};
|
|
|
|
/**
|
|
* https://media.discordapp.net/attachments/834541919568527361/931678814751301632/66d2c68c48daa414c96951381665ec2e.png
|
|
*/
|
|
const matpad = (n) => {
|
|
return ("00" + n).slice(-2);
|
|
};
|
|
|
|
/**
|
|
* @param {string} eventType
|
|
* @param {string?} user
|
|
* @param {Node?} content
|
|
*/
|
|
const printChatMessage = (eventType, user, colour, content) => {
|
|
const chatMessage = document.createElement("div");
|
|
chatMessage.classList.add("chat-message");
|
|
chatMessage.classList.add(eventType);
|
|
chatMessage.title = getCurrentTimestamp();
|
|
|
|
if (user != null) {
|
|
const userName = document.createElement("strong");
|
|
userName.style = `--user-color: #${colour}`;
|
|
userName.textContent = user + " ";
|
|
chatMessage.appendChild(userName);
|
|
}
|
|
|
|
if (content != null) {
|
|
chatMessage.appendChild(content);
|
|
}
|
|
|
|
addToChat(chatMessage);
|
|
|
|
return chatMessage;
|
|
};
|
|
|
|
const formatTime = (ms) => {
|
|
const seconds = Math.floor((ms / 1000) % 60);
|
|
const minutes = Math.floor((ms / (60 * 1000)) % 60);
|
|
const hours = Math.floor((ms / (3600 * 1000)) % 3600);
|
|
return `${hours < 10 ? "0" + hours : hours}:${
|
|
minutes < 10 ? "0" + minutes : minutes
|
|
}:${seconds < 10 ? "0" + seconds : seconds}`;
|
|
};
|
|
|
|
export const logEventToChat = async (event) => {
|
|
if (checkDebounce(event)) {
|
|
return;
|
|
}
|
|
|
|
switch (event.op) {
|
|
case "UserJoin": {
|
|
printChatMessage(
|
|
"user-join",
|
|
event.user,
|
|
event.colour,
|
|
document.createTextNode("joined")
|
|
);
|
|
break;
|
|
}
|
|
case "UserLeave": {
|
|
printChatMessage(
|
|
"user-leave",
|
|
event.user,
|
|
event.colour,
|
|
document.createTextNode("left")
|
|
);
|
|
break;
|
|
}
|
|
case "ChatMessage": {
|
|
const messageContent = document.createElement("span");
|
|
messageContent.classList.add("message-content");
|
|
messageContent.append(...(await linkify(event.data, emojify)));
|
|
printChatMessage(
|
|
"chat-message",
|
|
event.user,
|
|
event.colour,
|
|
messageContent
|
|
);
|
|
break;
|
|
}
|
|
case "SetTime": {
|
|
const messageContent = document.createElement("span");
|
|
if (event.data.from != undefined) {
|
|
messageContent.appendChild(
|
|
document.createTextNode("set the time from ")
|
|
);
|
|
|
|
messageContent.appendChild(
|
|
document.createTextNode(formatTime(event.data.from))
|
|
);
|
|
|
|
messageContent.appendChild(document.createTextNode(" to "));
|
|
} else {
|
|
messageContent.appendChild(document.createTextNode("set the time to "));
|
|
}
|
|
|
|
messageContent.appendChild(
|
|
document.createTextNode(formatTime(event.data.to))
|
|
);
|
|
|
|
printChatMessage("set-time", event.user, event.colour, messageContent);
|
|
break;
|
|
}
|
|
case "SetPlaying": {
|
|
const messageContent = document.createElement("span");
|
|
messageContent.appendChild(
|
|
document.createTextNode(
|
|
event.data.playing ? "started playing" : "paused"
|
|
)
|
|
);
|
|
messageContent.appendChild(document.createTextNode(" at "));
|
|
messageContent.appendChild(
|
|
document.createTextNode(formatTime(event.data.time))
|
|
);
|
|
|
|
printChatMessage("set-playing", event.user, event.colour, messageContent);
|
|
break;
|
|
}
|
|
case "Ping": {
|
|
const messageContent = document.createElement("span");
|
|
if (event.data) {
|
|
messageContent.appendChild(document.createTextNode("pinged saying: "));
|
|
messageContent.appendChild(document.createTextNode(event.data));
|
|
} else {
|
|
messageContent.appendChild(document.createTextNode("pinged"));
|
|
}
|
|
|
|
printChatMessage("ping", event.user, event.colour, messageContent);
|
|
beep();
|
|
break;
|
|
}
|
|
}
|
|
};
|
|
|
|
const beep = () => {
|
|
const context = new AudioContext();
|
|
|
|
const gain = context.createGain();
|
|
gain.connect(context.destination);
|
|
gain.gain.value = 0.1;
|
|
|
|
const oscillator = context.createOscillator();
|
|
oscillator.connect(gain);
|
|
oscillator.frequency.value = 520;
|
|
oscillator.type = "square";
|
|
|
|
oscillator.start(context.currentTime);
|
|
oscillator.stop(context.currentTime + 0.22);
|
|
};
|
|
|
|
export const updateViewerList = (viewers) => {
|
|
const listContainer = document.querySelector("#viewer-list");
|
|
|
|
// empty out the current list
|
|
listContainer.innerHTML = "";
|
|
|
|
// display the updated list
|
|
for (const viewer of viewers) {
|
|
const viewerElem = document.createElement("div");
|
|
const content = document.createElement("strong");
|
|
content.textContent = viewer.nickname;
|
|
content.style = `--user-color: #${viewer.colour}`;
|
|
viewerElem.appendChild(content);
|
|
listContainer.appendChild(viewerElem);
|
|
}
|
|
};
|