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watch-party
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use plyr for video controls

easrng 2023-02-01 20:18:46 -05:00
parent e43184ab49
commit 1bd7071cec
16 changed files with 1416 additions and 1437 deletions
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104
frontend/create.html
View File

@ -1,52 +1,52 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>watch party :D</title>
<link rel="stylesheet" href="/styles.css?v=bfdcf2" />
</head>
<body>
<noscript>
This site will <em>not</em> work without JavaScript, and there's not
really any way around that :(
</noscript>
<div id="create-controls">
<form id="create-session-form">
<h2>Create a session</h2>
<label for="create-session-video">Video:</label>
<input
type="text"
id="create-session-video"
placeholder="https://video.example.com/example.mp4"
required
/>
<!-- TODO: Ability to add multiple subtitles for different languages -->
<label for="create-session-subs">Subtitles:</label>
<input
type="text"
id="create-session-subs"
placeholder="https://video.example.com/example.vtt"
/>
<label for="create-session-subs-name">Subtitle track name:</label>
<input
type="text"
id="create-session-subs-name"
placeholder="English"
/>
<button>Create</button>
<p>
Already have a session?
<a href="/">Join your session</a> instead.
</p>
</form>
</div>
<script type="module" src="/create.mjs?v=bfdcf2"></script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>watch party :D</title>
<link rel="stylesheet" href="/styles.css?v=bfdcf2" />
</head>
<body>
<noscript>
This site will <em>not</em> work without JavaScript, and there's not
really any way around that :(
</noscript>
<div id="create-controls">
<form id="create-session-form">
<h2>Create a session</h2>
<label for="create-session-video">Video:</label>
<input
type="text"
id="create-session-video"
placeholder="https://video.example.com/example.mp4"
required
/>
<!-- TODO: Ability to add multiple subtitles for different languages -->
<label for="create-session-subs">Subtitles:</label>
<input
type="text"
id="create-session-subs"
placeholder="https://video.example.com/example.vtt"
/>
<label for="create-session-subs-name">Subtitle track name:</label>
<input
type="text"
id="create-session-subs-name"
placeholder="English"
/>
<button>Create</button>
<p>
Already have a session?
<a href="/">Join your session</a> instead.
</p>
</form>
</div>
<script type="module" src="/create.mjs?v=bfdcf2"></script>
</body>
</html>

22
frontend/create.mjs
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@ -1,11 +1,11 @@
import { setupCreateSessionForm } from "./lib/create-session.mjs?v=bfdcf2";
const main = () => {
setupCreateSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}
import { setupCreateSessionForm } from "./lib/create-session.mjs?v=bfdcf2";
const main = () => {
setupCreateSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}

169
frontend/index.html
View File

@ -1,84 +1,85 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>watch party :D</title>
<link rel="stylesheet" href="/styles.css?v=bfdcf2" />
</head>
<body>
<noscript>
This site will <em>not</em> work without JavaScript, and there's not
really any way around that :(
</noscript>
<div id="pre-join-controls">
<form id="join-session-form">
<h2>Join a session</h2>
<p id="post-create-message">
Your session has been created successfully. Copy the current url or
the Session ID below and share it with your friends. :)
</p>
<label for="join-session-nickname">Nickname:</label>
<input
type="text"
id="join-session-nickname"
placeholder="Nickname"
maxlength="50"
required
/>
<label id="join-session-colour-label" for="join-session-colour">
Personal Colour:
</label>
<input type="color" id="join-session-colour" value="#ffffff" required />
<label for="join-session-id">Session ID:</label>
<input
type="text"
id="join-session-id"
placeholder="123e4567-e89b-12d3-a456-426614174000"
required
/>
<button id="join-session-button">Join</button>
<p>
No session to join?
<a href="/create.html">Create a session</a> instead.
</p>
</form>
</div>
<div id="video-container"></div>
<div id="chatbox-container">
<div id="viewer-list"></div>
<div id="chatbox"></div>
<form id="chatbox-send">
<input
type="text"
placeholder="Message... (/help for commands)"
list="emoji-autocomplete"
/>
<div id="emoji-autocomplete"></div>
<!-- DO NOT ADD SPACING INSIDE THE TAG IT WILL BREAK THE CSS kthxbye -->
</form>
</div>
<script type="module" src="/main.mjs?v=bfdcf2"></script>
<script>
const updateColourLabel = () => {
const colour = document.querySelector("#join-session-colour").value;
document.querySelector(
"#join-session-colour-label"
).textContent = `Personal Colour: ${colour}`;
};
document
.querySelector("#join-session-colour")
.addEventListener("input", updateColourLabel);
updateColourLabel();
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>watch party :D</title>
<link rel="stylesheet" href="/lib/plyr-3.7.3.css" />
<link rel="stylesheet" href="/styles.css?v=bfdcf2" />
</head>
<body>
<noscript>
This site will <em>not</em> work without JavaScript, and there's not
really any way around that :(
</noscript>
<div id="pre-join-controls">
<form id="join-session-form">
<h2>Join a session</h2>
<p id="post-create-message">
Your session has been created successfully. Copy the current url or
the Session ID below and share it with your friends. :)
</p>
<label for="join-session-nickname">Nickname:</label>
<input
type="text"
id="join-session-nickname"
placeholder="Nickname"
maxlength="50"
required
/>
<label id="join-session-colour-label" for="join-session-colour">
Personal Colour:
</label>
<input type="color" id="join-session-colour" value="#ffffff" required />
<label for="join-session-id">Session ID:</label>
<input
type="text"
id="join-session-id"
placeholder="123e4567-e89b-12d3-a456-426614174000"
required
/>
<button id="join-session-button">Join</button>
<p>
No session to join?
<a href="/create.html">Create a session</a> instead.
</p>
</form>
</div>
<div id="video-container"></div>
<div id="chatbox-container">
<div id="viewer-list"></div>
<div id="chatbox"></div>
<form id="chatbox-send">
<input
type="text"
placeholder="Message... (/help for commands)"
list="emoji-autocomplete"
/>
<div id="emoji-autocomplete"></div>
<!-- DO NOT ADD SPACING INSIDE THE TAG IT WILL BREAK THE CSS kthxbye -->
</form>
</div>
<script type="module" src="/main.mjs?v=bfdcf2"></script>
<script>
const updateColourLabel = () => {
const colour = document.querySelector("#join-session-colour").value;
document.querySelector(
"#join-session-colour-label"
).textContent = `Personal Colour: ${colour}`;
};
document
.querySelector("#join-session-colour")
.addEventListener("input", updateColourLabel);
updateColourLabel();
</script>
</body>
</html>

912
frontend/lib/chat.mjs
View File

@ -1,459 +1,453 @@
import {
setDebounce,
setVideoTime,
setPlaying,
} from "./watch-session.mjs?v=bfdcf2";
import { emojify, findEmojis } from "./emojis.mjs?v=bfdcf2";
import { linkify } from "./links.mjs?v=bfdcf2";
import { joinSession } from "./watch-session.mjs?v=bfdcf2";
import { pling } from "./pling.mjs?v=bfdcf2";
import { state } from "./state.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:]{2,})$/);
if (!match || match[1]) return (autocompleting = false); // We don't need to autocomplete.
const prefix = text.slice(0, match.index);
const search = text.slice(match.index + 1);
if (search.length < 1 && !fromListTimeout) {
autocompleting = false;
showListTimer = setTimeout(() => autocomplete(true), 500);
return;
}
const suffix = messageInput.value.slice(messageInput.selectionStart);
let selected;
const select = (button) => {
if (selected) selected.classList.remove("selected");
selected = button;
button.classList.add("selected");
};
let results = await findEmojis(search);
let yieldAt = performance.now() + 13;
for (let i = 0; i < results.length; i += 100) {
emojiAutocomplete.append.apply(
emojiAutocomplete,
results.slice(i, i + 100).map(([name, replaceWith, ext], i) => {
const button = Object.assign(document.createElement("button"), {
className: "emoji-option",
onmousedown: (e) => e.preventDefault(),
onclick: () => {
messageInput.value = prefix + replaceWith + " " + suffix;
setCaretPosition(
messageInput,
(prefix + " " + replaceWith).length
);
},
onmouseover: () => select(button),
onfocus: () => select(button),
type: "button",
title: name,
});
button.append(
replaceWith[0] !== ":"
? Object.assign(document.createElement("span"), {
textContent: replaceWith,
className: "emoji",
})
: Object.assign(new Image(), {
loading: "lazy",
src: `/emojis/${name}${ext}`,
className: "emoji",
}),
Object.assign(document.createElement("span"), {
textContent: name,
className: "emoji-name",
})
);
return button;
})
);
if (i == 0 && emojiAutocomplete.children[0]) {
emojiAutocomplete.children[0].scrollIntoView();
select(emojiAutocomplete.children[0]);
}
const now = performance.now();
if (now > yieldAt) {
yieldAt = now + 13;
await new Promise((cb) => setTimeout(cb, 0));
}
}
autocompleting = false;
} catch (e) {
autocompleting = false;
}
}
messageInput.addEventListener("input", () => autocomplete());
messageInput.addEventListener("selectionchange", () => autocomplete());
messageInput.addEventListener("keydown", (event) => {
if (event.key == "ArrowUp" || event.key == "ArrowDown") {
let selected = document.querySelector(".emoji-option.selected");
if (!selected) return;
event.preventDefault();
selected.classList.remove("selected");
selected =
event.key == "ArrowDown"
? selected.nextElementSibling || selected.parentElement.children[0]
: selected.previousElementSibling ||
selected.parentElement.children[
selected.parentElement.children.length - 1
];
selected.classList.add("selected");
selected.scrollIntoView({ scrollMode: "if-needed", block: "nearest" });
}
if (event.key == "Tab" || event.key == "Enter") {
let selected = document.querySelector(".emoji-option.selected");
if (!selected) return;
event.preventDefault();
selected.onclick();
}
});
chatForm.addEventListener("submit", async (e) => {
e.preventDefault();
const content = messageInput.value;
if (content.trim().length) {
messageInput.value = "";
// handle commands
if (content.startsWith("/")) {
const command = content.toLowerCase().match(/^\/\S+/)[0];
const args = content.slice(command.length).trim();
let handled = false;
switch (command) {
case "/ping":
socket.send(
JSON.stringify({
op: "Ping",
data: args,
})
);
handled = true;
break;
case "/sync":
const sessionId = window.location.hash.slice(1);
const { current_time_ms, is_playing } = await fetch(
`/sess/${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: `${args} ¯\\_(ツ)_/¯`.trim(),
})
);
handled = true;
break;
case "/join":
state().sessionId = args;
joinSession();
handled = true;
break;
case "/help":
const helpMessageContent = document.createElement("span");
helpMessageContent.innerHTML =
"Available commands:<br>" +
"&emsp;<code>/help</code> - display this help message<br>" +
"&emsp;<code>/ping [message]</code> - ping all viewers<br>" +
"&emsp;<code>/sync</code> - resyncs you with other viewers<br>" +
"&emsp;<code>/shrug</code> - appends ¯\\_(ツ)_/¯ to your message<br>" +
"&emsp;<code>/join [session id]</code> - joins another session";
printChatMessage(
"command-message",
"/help",
"b57fdc",
helpMessageContent
);
handled = true;
break;
default:
break;
}
if (handled) {
return;
}
}
// handle regular chat messages
socket.send(
JSON.stringify({
op: "ChatMessage",
data: content,
})
);
}
});
};
/**
* @param {WebSocket} socket
*/
export const setupChat = async (socket) => {
document.querySelector("#chatbox-container").style["display"] = "flex";
setupChatboxEvents(socket);
};
const addToChat = (node) => {
const chatbox = document.querySelector("#chatbox");
chatbox.appendChild(node);
chatbox.scrollTop = chatbox.scrollHeight;
};
let lastTimeMs = null;
let lastPlaying = false;
const checkDebounce = (event) => {
let timeMs = null;
let playing = null;
if (event.op == "SetTime") {
timeMs = event.data;
} else if (event.op == "SetPlaying") {
timeMs = event.data.time;
playing = event.data.playing;
}
let shouldIgnore = false;
if (timeMs != null) {
if (lastTimeMs && Math.abs(lastTimeMs - timeMs) < 500) {
shouldIgnore = true;
}
lastTimeMs = timeMs;
}
if (playing != null) {
if (lastPlaying != playing) {
shouldIgnore = false;
}
lastPlaying = playing;
}
return shouldIgnore;
};
/**
* @returns {string}
*/
const getCurrentTimestamp = () => {
const t = new Date();
return `${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
*/
export 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);
pling();
if ("Notification" in window) {
const title = "watch party :)";
const options = {
body: event.data
? `${event.user} pinged saying: ${event.data}`
: `${event.user} pinged`,
};
if (Notification.permission === "granted") {
new Notification(title, options);
} else if (Notification.permission !== "denied") {
Notification.requestPermission().then(function (permission) {
if (permission === "granted") {
new Notification(title, options);
}
});
}
}
break;
}
}
};
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: #${viewer.colour}`;
viewerElem.appendChild(content);
listContainer.appendChild(viewerElem);
}
};
import {
setDebounce,
setVideoTime,
setPlaying,
sync,
} from "./watch-session.mjs?v=bfdcf2";
import { emojify, findEmojis } from "./emojis.mjs?v=bfdcf2";
import { linkify } from "./links.mjs?v=bfdcf2";
import { joinSession } from "./watch-session.mjs?v=bfdcf2";
import { pling } from "./pling.mjs?v=bfdcf2";
import { state } from "./state.mjs";
function setCaretPosition(elem, caretPos) {
if (elem.createTextRange) {
var range = elem.createTextRange();
range.move("character", caretPos);
range.select();
} else {
if (elem.selectionStart) {
elem.focus();
elem.setSelectionRange(caretPos, caretPos);
} else elem.focus();
}
}
const setupChatboxEvents = (socket) => {
// clear events by just reconstructing the form
const oldChatForm = document.querySelector("#chatbox-send");
const chatForm = oldChatForm.cloneNode(true);
const messageInput = chatForm.querySelector("input");
const emojiAutocomplete = chatForm.querySelector("#emoji-autocomplete");
oldChatForm.replaceWith(chatForm);
let autocompleting = false,
showListTimer;
const replaceMessage = (message) => () => {
messageInput.value = message;
autocomplete();
};
async function autocomplete(fromListTimeout) {
if (autocompleting) return;
try {
clearInterval(showListTimer);
emojiAutocomplete.textContent = "";
autocompleting = true;
let text = messageInput.value.slice(0, messageInput.selectionStart);
const match = text.match(/(:[^\s:]+)?:([^\s:]{2,})$/);
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" || event.key == "Enter") {
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":
await sync();
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: `${args} ¯\\_(ツ)_/¯`.trim(),
})
);
handled = true;
break;
case "/join":
state().sessionId = args;
joinSession();
handled = true;
break;
case "/help":
const helpMessageContent = document.createElement("span");
helpMessageContent.innerHTML =
"Available commands:<br>" +
"&emsp;<code>/help</code> - display this help message<br>" +
"&emsp;<code>/ping [message]</code> - ping all viewers<br>" +
"&emsp;<code>/sync</code> - resyncs you with other viewers<br>" +
"&emsp;<code>/shrug</code> - appends ¯\\_(ツ)_/¯ to your message<br>" +
"&emsp;<code>/join [session id]</code> - joins another session";
printChatMessage(
"command-message",
"/help",
"b57fdc",
helpMessageContent
);
handled = true;
break;
default:
break;
}
if (handled) {
return;
}
}
// handle regular chat messages
socket.send(
JSON.stringify({
op: "ChatMessage",
data: content,
})
);
}
});
};
/**
* @param {WebSocket} socket
*/
export const setupChat = async (socket) => {
document.querySelector("#chatbox-container").style["display"] = "flex";
setupChatboxEvents(socket);
};
const addToChat = (node) => {
const chatbox = document.querySelector("#chatbox");
chatbox.appendChild(node);
chatbox.scrollTop = chatbox.scrollHeight;
};
let lastTimeMs = null;
let lastPlaying = false;
const checkDebounce = (event) => {
let timeMs = null;
let playing = null;
if (event.op == "SetTime") {
timeMs = event.data;
} else if (event.op == "SetPlaying") {
timeMs = event.data.time;
playing = event.data.playing;
}
let shouldIgnore = false;
if (timeMs != null) {
if (lastTimeMs && Math.abs(lastTimeMs - timeMs) < 500) {
shouldIgnore = true;
}
lastTimeMs = timeMs;
}
if (playing != null) {
if (lastPlaying != playing) {
shouldIgnore = false;
}
lastPlaying = playing;
}
return shouldIgnore;
};
/**
* @returns {string}
*/
const getCurrentTimestamp = () => {
const t = new Date();
return `${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
*/
export 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);
pling();
if ("Notification" in window) {
const title = "watch party :)";
const options = {
body: event.data
? `${event.user} pinged saying: ${event.data}`
: `${event.user} pinged`,
};
if (Notification.permission === "granted") {
new Notification(title, options);
} else if (Notification.permission !== "denied") {
Notification.requestPermission().then(function (permission) {
if (permission === "granted") {
new Notification(title, options);
}
});
}
}
break;
}
}
};
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);
}
};

36
frontend/lib/create-session.mjs
View File

@ -1,18 +1,18 @@
import { createSession } from "./watch-session.mjs?v=bfdcf2";
export const setupCreateSessionForm = () => {
const form = document.querySelector("#create-session-form");
const videoUrl = form.querySelector("#create-session-video");
const subsUrl = form.querySelector("#create-session-subs");
const subsName = form.querySelector("#create-session-subs-name");
form.addEventListener("submit", (event) => {
event.preventDefault();
let subs = [];
if (subsUrl.value) {
subs.push({ url: subsUrl.value, name: subsName.value || "default" });
}
createSession(videoUrl.value, subs);
});
};
import { createSession } from "./watch-session.mjs?v=bfdcf2";
export const setupCreateSessionForm = () => {
const form = document.querySelector("#create-session-form");
const videoUrl = form.querySelector("#create-session-video");
const subsUrl = form.querySelector("#create-session-subs");
const subsName = form.querySelector("#create-session-subs-name");
form.addEventListener("submit", (event) => {
event.preventDefault();
let subs = [];
if (subsUrl.value) {
subs.push({ url: subsUrl.value, name: subsName.value || "default" });
}
createSession(videoUrl.value, subs);
});
};

144
frontend/lib/emojis.mjs
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@ -1,72 +1,72 @@
export async function emojify(text) {
await emojisLoaded;
let last = 0;
let nodes = [];
text.replace(/:([^\s:]+):/g, (match, name, index) => {
if (last <= index)
nodes.push(document.createTextNode(text.slice(last, index)));
let emoji;
try {
emoji = emojis[name.toLowerCase()[0]].find((e) => e[0] == name);
} catch (e) {}
if (!emoji) {
nodes.push(document.createTextNode(match));
} else {
if (emoji[1][0] !== ":") {
nodes.push(document.createTextNode(emoji[1]));
} else {
nodes.push(
Object.assign(new Image(), {
src: `/emojis/${name}${emoji[2]}`,
className: "emoji",
alt: name,
})
);
}
}
last = index + match.length;
});
if (last < text.length) nodes.push(document.createTextNode(text.slice(last)));
return nodes;
}
const emojis = {};
export const emojisLoaded = Promise.all([
fetch("/emojis/unicode.json")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
emojis[e[0][0]] = emojis[e[0][0]] || [];
emojis[e[0][0]].push([e[0], e[1], null, e[0]]);
}
}),
fetch("/emojos")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
const name = e.slice(0, -4),
lower = name.toLowerCase();
emojis[lower[0]] = emojis[lower[0]] || [];
emojis[lower[0]].push([name, ":" + name + ":", e.slice(-4), lower]);
}
}),
]);
export async function findEmojis(search) {
await emojisLoaded;
let groups = [[], []];
if (search.length < 1) {
for (let letter of Object.keys(emojis).sort())
for (let emoji of emojis[letter]) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
} else {
search = search.toLowerCase();
for (let emoji of emojis[search[0]]) {
if (search.length == 1 || emoji[3].startsWith(search)) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
}
}
return [...groups[1], ...groups[0]];
}
export async function emojify(text) {
await emojisLoaded;
let last = 0;
let nodes = [];
text.replace(/:([^\s:]+):/g, (match, name, index) => {
if (last <= index)
nodes.push(document.createTextNode(text.slice(last, index)));
let emoji;
try {
emoji = emojis[name.toLowerCase()[0]].find((e) => e[0] == name);
} catch (e) {}
if (!emoji) {
nodes.push(document.createTextNode(match));
} else {
if (emoji[1][0] !== ":") {
nodes.push(document.createTextNode(emoji[1]));
} else {
nodes.push(
Object.assign(new Image(), {
src: `/emojis/${name}${emoji[2]}`,
className: "emoji",
alt: name,
})
);
}
}
last = index + match.length;
});
if (last < text.length) nodes.push(document.createTextNode(text.slice(last)));
return nodes;
}
const emojis = {};
export const emojisLoaded = Promise.all([
fetch("/emojis/unicode.json")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
emojis[e[0][0]] = emojis[e[0][0]] || [];
emojis[e[0][0]].push([e[0], e[1], null, e[0]]);
}
}),
fetch("/emojos")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
const name = e.slice(0, -4),
lower = name.toLowerCase();
emojis[lower[0]] = emojis[lower[0]] || [];
emojis[lower[0]].push([name, ":" + name + ":", e.slice(-4), lower]);
}
}),
]);
export async function findEmojis(search) {
await emojisLoaded;
let groups = [[], []];
if (search.length < 1) {
for (let letter of Object.keys(emojis).sort())
for (let emoji of emojis[letter]) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
} else {
search = search.toLowerCase();
for (let emoji of emojis[search[0]]) {
if (search.length == 1 || emoji[3].startsWith(search)) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
}
}
return [...groups[1], ...groups[0]];
}

188
frontend/lib/join-session.mjs
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@ -1,93 +1,95 @@
import { joinSession } from "./watch-session.mjs?v=bfdcf2";
import { state } from "./state.mjs";
/**
* @param {HTMLInputElement} field
*/
const loadNickname = (field) => {
try {
const savedNickname = localStorage.getItem("watch-party-nickname");
field.value = savedNickname;
} catch (_err) {
// Sometimes localStorage is blocked from use
}
};
/**
* @param {HTMLInputElement} field
*/
const saveNickname = (field) => {
try {
localStorage.setItem("watch-party-nickname", field.value);
} catch (_err) {
// see loadNickname
}
};
/**
* @param {HTMLInputElement} field
*/
const loadColour = (field) => {
try {
const savedColour = localStorage.getItem("watch-party-colour");
if (savedColour != null && savedColour != "") {
field.value = savedColour;
}
} catch (_err) {
// Sometimes localStorage is blocked from use
}
};
/**
* @param {HTMLInputElement} field
*/
const saveColour = (field) => {
try {
localStorage.setItem("watch-party-colour", field.value);
} catch (_err) {
// see loadColour
}
};
const displayPostCreateMessage = () => {
const params = new URLSearchParams(window.location.search);
if (params.get("created") == "true") {
document.querySelector("#post-create-message").style["display"] = "block";
window.history.replaceState({}, document.title, `/${window.location.hash}`);
}
};
export const setupJoinSessionForm = () => {
displayPostCreateMessage();
const form = document.querySelector("#join-session-form");
const nickname = form.querySelector("#join-session-nickname");
const colour = form.querySelector("#join-session-colour");
const sessionId = form.querySelector("#join-session-id");
const button = form.querySelector("#join-session-button");
loadNickname(nickname);
loadColour(colour);
if (window.location.hash.match(/#[0-9a-f\-]+/)) {
sessionId.value = window.location.hash.substring(1);
}
form.addEventListener("submit", async (event) => {
event.preventDefault();
button.disabled = true;
saveNickname(nickname);
saveColour(colour);
try {
state().nickname = nickname.value;
state().sessionId = sessionId.value;
state().colour = colour.value.replace(/^#/, "");
await joinSession();
} catch (e) {
alert(e.message);
button.disabled = false;
}
});
};
import { joinSession } from "./watch-session.mjs?v=bfdcf2";
import { state } from "./state.mjs";
/**
* @param {HTMLInputElement} field
*/
const loadNickname = (field) => {
try {
const savedNickname = localStorage.getItem("watch-party-nickname");
field.value = savedNickname;
} catch (_err) {
// Sometimes localStorage is blocked from use
}
};
/**
* @param {HTMLInputElement} field
*/
const saveNickname = (field) => {
try {
localStorage.setItem("watch-party-nickname", field.value);
} catch (_err) {
// see loadNickname
}
};
/**
* @param {HTMLInputElement} field
*/
const loadColour = (field) => {
try {
const savedColour = localStorage.getItem("watch-party-colour");
if (savedColour != null && savedColour != "") {
field.value = savedColour;
}
} catch (_err) {
// Sometimes localStorage is blocked from use
}
};
/**
* @param {HTMLInputElement} field
*/
const saveColour = (field) => {
try {
localStorage.setItem("watch-party-colour", field.value);
} catch (_err) {
// see loadColour
}
};
const displayPostCreateMessage = () => {
const params = new URLSearchParams(window.location.search);
if (params.get("created") == "true") {
document.querySelector("#post-create-message").style["display"] = "block";
window.history.replaceState({}, document.title, `/${window.location.hash}`);
return true;
}
return false;
};
export const setupJoinSessionForm = () => {
const created = displayPostCreateMessage();
const form = document.querySelector("#join-session-form");
const nickname = form.querySelector("#join-session-nickname");
const colour = form.querySelector("#join-session-colour");
const sessionId = form.querySelector("#join-session-id");
const button = form.querySelector("#join-session-button");
loadNickname(nickname);
loadColour(colour);
if (window.location.hash.match(/#[0-9a-f\-]+/)) {
sessionId.value = window.location.hash.substring(1);
}
form.addEventListener("submit", async (event) => {
event.preventDefault();
button.disabled = true;
saveNickname(nickname);
saveColour(colour);
try {
state().nickname = nickname.value;
state().sessionId = sessionId.value;
state().colour = colour.value.replace(/^#/, "");
await joinSession(created);
} catch (e) {
alert(e.message);
button.disabled = false;
}
});
};

242
frontend/lib/links.mjs
View File

@ -1,121 +1,121 @@
import { joinSession } from "./watch-session.mjs?v=bfdcf2";
import { state } from "./state.mjs";
export async function linkify(
text,
next = async (t) => [document.createTextNode(t)]
) {
let last = 0;
let nodes = [];
let promise = Promise.resolve();
// matching non-urls isn't a problem, we use the browser's url parser to filter them out
text.replace(
/[^:/?#\s]+:\/\/\S+/g,
(match, index) =>
(promise = promise.then(async () => {
if (last <= index) nodes.push(...(await next(text.slice(last, index))));
let url;
try {
url = new URL(match);
if (url.protocol === "javascript:") throw new Error();
} catch (e) {
url = null;
}
if (!url) {
nodes.push(...(await next(match)));
} else {
let s;
if (
url.origin == location.origin &&
url.pathname == "/" &&
url.hash.length > 1
) {
nodes.push(
Object.assign(document.createElement("a"), {
textContent: "Join Session",
className: "chip join-chip",
onclick: () => {
state().sessionId = url.hash.substring(1);
joinSession();
},
})
);
} else if (
url.hostname == "xiv.st" &&
(s = url.pathname.match(/(\d?\d).?(\d\d)/))
) {
if (s) {
const date = new Date();
date.setUTCSeconds(0);
date.setUTCMilliseconds(0);
date.setUTCHours(s[1]), date.setUTCMinutes(s[2]);
nodes.push(
Object.assign(document.createElement("a"), {
href: url.href,
textContent: date.toLocaleString([], {
hour: "2-digit",
minute: "2-digit",
}),
className: "chip time-chip",
target: "_blank",
})
);
}
} else {
nodes.push(
Object.assign(document.createElement("a"), {
href: url.href,
textContent: url.href,
target: "_blank",
})
);
}
}
last = index + match.length;
}))
);
await promise;
if (last < text.length) nodes.push(...(await next(text.slice(last))));
return nodes;
}
const emojis = {};
export const emojisLoaded = Promise.all([
fetch("/emojis")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
const name = e.slice(0, -4),
lower = name.toLowerCase();
emojis[lower[0]] = emojis[lower[0]] || [];
emojis[lower[0]].push([name, ":" + name + ":", e.slice(-4), lower]);
}
}),
fetch("/emojis/unicode.json")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
emojis[e[0][0]] = emojis[e[0][0]] || [];
emojis[e[0][0]].push([e[0], e[1], null, e[0]]);
}
}),
]);
export async function findEmojis(search) {
await emojisLoaded;
let groups = [[], []];
if (search.length < 1) {
for (let letter of Object.keys(emojis).sort())
for (let emoji of emojis[letter]) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
} else {
search = search.toLowerCase();
for (let emoji of emojis[search[0]]) {
if (search.length == 1 || emoji[3].startsWith(search)) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
}
}
return [...groups[0], ...groups[1]];
}
import { joinSession } from "./watch-session.mjs?v=bfdcf2";
import { state } from "./state.mjs";
export async function linkify(
text,
next = async (t) => [document.createTextNode(t)]
) {
let last = 0;
let nodes = [];
let promise = Promise.resolve();
// matching non-urls isn't a problem, we use the browser's url parser to filter them out
text.replace(
/[^:/?#\s]+:\/\/\S+/g,
(match, index) =>
(promise = promise.then(async () => {
if (last <= index) nodes.push(...(await next(text.slice(last, index))));
let url;
try {
url = new URL(match);
if (url.protocol === "javascript:") throw new Error();
} catch (e) {
url = null;
}
if (!url) {
nodes.push(...(await next(match)));
} else {
let s;
if (
url.origin == location.origin &&
url.pathname == "/" &&
url.hash.length > 1
) {
nodes.push(
Object.assign(document.createElement("a"), {
textContent: "Join Session",
className: "chip join-chip",
onclick: () => {
state().sessionId = url.hash.substring(1);
joinSession();
},
})
);
} else if (
url.hostname == "xiv.st" &&
(s = url.pathname.match(/(\d?\d).?(\d\d)/))
) {
if (s) {
const date = new Date();
date.setUTCSeconds(0);
date.setUTCMilliseconds(0);
date.setUTCHours(s[1]), date.setUTCMinutes(s[2]);
nodes.push(
Object.assign(document.createElement("a"), {
href: url.href,
textContent: date.toLocaleString([], {
hour: "2-digit",
minute: "2-digit",
}),
className: "chip time-chip",
target: "_blank",
})
);
}
} else {
nodes.push(
Object.assign(document.createElement("a"), {
href: url.href,
textContent: url.href,
target: "_blank",
})
);
}
}
last = index + match.length;
}))
);
await promise;
if (last < text.length) nodes.push(...(await next(text.slice(last))));
return nodes;
}
const emojis = {};
export const emojisLoaded = Promise.all([
fetch("/emojis")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
const name = e.slice(0, -4),
lower = name.toLowerCase();
emojis[lower[0]] = emojis[lower[0]] || [];
emojis[lower[0]].push([name, ":" + name + ":", e.slice(-4), lower]);
}
}),
fetch("/emojis/unicode.json")
.then((e) => e.json())
.then((a) => {
for (let e of a) {
emojis[e[0][0]] = emojis[e[0][0]] || [];
emojis[e[0][0]].push([e[0], e[1], null, e[0]]);
}
}),
]);
export async function findEmojis(search) {
await emojisLoaded;
let groups = [[], []];
if (search.length < 1) {
for (let letter of Object.keys(emojis).sort())
for (let emoji of emojis[letter]) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
} else {
search = search.toLowerCase();
for (let emoji of emojis[search[0]]) {
if (search.length == 1 || emoji[3].startsWith(search)) {
(emoji[1][0] === ":" ? groups[0] : groups[1]).push(emoji);
}
}
}
return [...groups[0], ...groups[1]];
}

1
frontend/lib/pling.mjs
View File

@ -77,4 +77,3 @@ export const pling = () => {
thirdBeep.start(ctx.currentTime + thirdBeepOffset);
thirdBeep.stop(ctx.currentTime + (thirdBeepOffset + duration));
};

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1
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142
frontend/lib/reconnecting-web-socket.mjs
View File

@ -1,71 +1,71 @@
export default class ReconnectingWebSocket {
constructor(url) {
if (url instanceof URL) {
this.url = url;
} else {
this.url = new URL(url);
}
this.connected = false;
this._eventTarget = new EventTarget();
this._backoff = 250; // milliseconds, doubled before use
this._lastConnect = 0;
this._socket = null;
this._unsent = [];
this._closing = false;
this._connect(true);
}
_connect(first) {
if (this._socket)
try {
this._socket.close();
} catch (e) {}
try {
this._socket = new WebSocket(this.url.href);
} catch (e) {
this._reconnecting = false;
return this._reconnect();
}
this._socket.addEventListener("close", () => this._reconnect());
this._socket.addEventListener("error", () => this._reconnect());
this._socket.addEventListener("message", ({ data }) => {
this._eventTarget.dispatchEvent(new MessageEvent("message", { data }));
});
this._socket.addEventListener("open", (e) => {
if (first) this._eventTarget.dispatchEvent(new Event("open"));
if (this._reconnecting)
this._eventTarget.dispatchEvent(new Event("reconnected"));
this._reconnecting = false;
this._backoff = 250;
this.connected = true;
while (this._unsent.length > 0) this._socket.send(this._unsent.shift());
});
}
_reconnect() {
if (this._closing) return;
if (this._reconnecting) return;
this._eventTarget.dispatchEvent(new Event("reconnecting"));
this._reconnecting = true;
this.connected = false;
this._backoff *= 2; // exponential backoff
setTimeout(() => {
this._connect();
}, Math.floor(this._backoff + Math.random() * this._backoff * 0.25 - this._backoff * 0.125));
}
send(message) {
if (this.connected) {
this._socket.send(message);
} else {
this._unsent.push(message);
}
}
close() {
this._closing = true;
this._socket.close();
}
addEventListener(...a) {
return this._eventTarget.addEventListener(...a);
}
removeEventListener(...a) {
return this._eventTarget.removeEventListener(...a);
}
}
export default class ReconnectingWebSocket {
constructor(url) {
if (url instanceof URL) {
this.url = url;
} else {
this.url = new URL(url);
}
this.connected = false;
this._eventTarget = new EventTarget();
this._backoff = 250; // milliseconds, doubled before use
this._lastConnect = 0;
this._socket = null;
this._unsent = [];
this._closing = false;
this._connect(true);
}
_connect(first) {
if (this._socket)
try {
this._socket.close();
} catch (e) {}
try {
this._socket = new WebSocket(this.url.href);
} catch (e) {
this._reconnecting = false;
return this._reconnect();
}
this._socket.addEventListener("close", () => this._reconnect());
this._socket.addEventListener("error", () => this._reconnect());
this._socket.addEventListener("message", ({ data }) => {
this._eventTarget.dispatchEvent(new MessageEvent("message", { data }));
});
this._socket.addEventListener("open", (e) => {
if (first) this._eventTarget.dispatchEvent(new Event("open"));
if (this._reconnecting)
this._eventTarget.dispatchEvent(new Event("reconnected"));
this._reconnecting = false;
this._backoff = 250;
this.connected = true;
while (this._unsent.length > 0) this._socket.send(this._unsent.shift());
});
}
_reconnect() {
if (this._closing) return;
if (this._reconnecting) return;
this._eventTarget.dispatchEvent(new Event("reconnecting"));
this._reconnecting = true;
this.connected = false;
this._backoff *= 2; // exponential backoff
setTimeout(() => {
this._connect();
}, Math.floor(this._backoff + Math.random() * this._backoff * 0.25 - this._backoff * 0.125));
}
send(message) {
if (this.connected) {
this._socket.send(message);
} else {
this._unsent.push(message);
}
}
close() {
this._closing = true;
this._socket.close();
}
addEventListener(...a) {
return this._eventTarget.addEventListener(...a);
}
removeEventListener(...a) {
return this._eventTarget.removeEventListener(...a);
}
}

275
frontend/lib/video.mjs
View File

@ -1,163 +1,112 @@
const loadVolume = () => {
try {
const savedVolume = localStorage.getItem("watch-party-volume");
if (savedVolume != null && savedVolume != "") {
return +savedVolume;
}
} catch (_err) {
// Sometimes localStorage is blocked from use
}
// default
return 0.5;
};
/**
* @param {number} volume
*/
const saveVolume = (volume) => {
try {
localStorage.setItem("watch-party-volume", volume);
} catch (_err) {
// see loadVolume
}
};
const loadCaptionTrack = () => {
try {
const savedTrack = localStorage.getItem("watch-party-captions");
if (savedTrack != null && savedTrack != "") {
return +savedTrack;
}
} catch (_err) {
// Sometimes localStorage is blocked from use
}
// default
return -1;
};
/**
* @param {number} track
*/
const saveCaptionsTrack = (track) => {
try {
localStorage.setItem("watch-party-captions", track);
} catch (_err) {
// see loadCaptionsTrack
}
};
/**
* @param {string} videoUrl
* @param {{name: string, url: string}[]} subtitles
*/
const createVideoElement = (videoUrl, subtitles) => {
const oldVideo = document.getElementById("video");
if (oldVideo) {
oldVideo.remove();
}
const video = document.createElement("video");
video.id = "video";
video.controls = true;
video.autoplay = false;
video.volume = loadVolume();
video.crossOrigin = "anonymous";
video.addEventListener("volumechange", async () => {
saveVolume(video.volume);
});
const source = document.createElement("source");
source.src = videoUrl;
video.appendChild(source);
const storedTrack = loadCaptionTrack();
let id = 0;
for (const { name, url } of subtitles) {
const track = document.createElement("track");
track.label = name;
track.src = url;
track.kind = "captions";
if (id == storedTrack || storedTrack == -1) {
track.default = true;
}
video.appendChild(track);
id++;
}
video.textTracks.addEventListener("change", async () => {
let id = 0;
for (const track of video.textTracks) {
if (track.mode != "disabled") {
saveCaptionsTrack(id);
return;
}
id++;
}
saveCaptionsTrack(-1);
});
// watch for attribute changes on the video object to detect hiding/showing of controls
// as far as i can tell this is the least hacky solutions to get control visibility change events
const observer = new MutationObserver(async (mutations) => {
for (const mutation of mutations) {
if (mutation.attributeName == "controls") {
if (video.controls) {
// enable media button support
navigator.mediaSession.setActionHandler("play", null);
navigator.mediaSession.setActionHandler("pause", null);
navigator.mediaSession.setActionHandler("stop", null);
navigator.mediaSession.setActionHandler("seekbackward", null);
navigator.mediaSession.setActionHandler("seekforward", null);
navigator.mediaSession.setActionHandler("seekto", null);
navigator.mediaSession.setActionHandler("previoustrack", null);
navigator.mediaSession.setActionHandler("nexttrack", null);
} else {
// disable media button support by ignoring the events
navigator.mediaSession.setActionHandler("play", () => {});
navigator.mediaSession.setActionHandler("pause", () => {});
navigator.mediaSession.setActionHandler("stop", () => {});
navigator.mediaSession.setActionHandler("seekbackward", () => {});
navigator.mediaSession.setActionHandler("seekforward", () => {});
navigator.mediaSession.setActionHandler("seekto", () => {});
navigator.mediaSession.setActionHandler("previoustrack", () => {});
navigator.mediaSession.setActionHandler("nexttrack", () => {});
}
return;
}
}
});
observer.observe(video, { attributes: true });
return video;
};
/**
* @param {string} videoUrl
* @param {{name: string, url: string}[]} subtitles
* @param {number} currentTime
* @param {boolean} playing
*/
export const setupVideo = async (videoUrl, subtitles, currentTime, playing) => {
document.querySelector("#pre-join-controls").style["display"] = "none";
const video = createVideoElement(videoUrl, subtitles);
const videoContainer = document.querySelector("#video-container");
videoContainer.style.display = "block";
videoContainer.appendChild(video);
video.currentTime = currentTime / 1000.0;
try {
if (playing) {
await video.play();
} else {
video.pause();
}
} catch (err) {
// Auto-play is probably disabled, we should uhhhhhhh do something about it
}
return video;
};
import Plyr from "./plyr-3.7.3.min.esm.js";
/**
* @param {string} videoUrl
* @param {{name: string, url: string}[]} subtitles
*/
const createVideoElement = (videoUrl, subtitles, created) => {
const oldVideo = document.getElementById(".plyr");
if (oldVideo) {
oldVideo.remove();
}
const video = document.createElement("video");
video.id = "video";
video.crossOrigin = "anonymous";
const source = document.createElement("source");
source.src = videoUrl;
video.appendChild(source);
for (const { name, url } of subtitles) {
const track = document.createElement("track");
track.label = name;
track.srclang = "xx-" + name.toLowerCase();
track.src = url;
track.kind = "captions";
video.appendChild(track);
}
const videoContainer = document.querySelector("#video-container");
videoContainer.style.display = "block";
videoContainer.appendChild(video);
const player = new Plyr(video, {
clickToPlay: false,
settings: ["captions", "quality"],
autopause: false,
});
player.elements.controls.insertAdjacentHTML(
"afterbegin",
`<button type="button" aria-pressed="false" class="plyr__controls__item plyr__control lock-controls"><svg aria-hidden="true" focusable="false" viewBox="0 0 24 24"><path d="M18 8h-1V6c0-2.76-2.24-5-5-5S7 3.24 7 6v2H6c-1.1 0-2 .9-2 2v10c0 1.1.9 2 2 2h12c1.1 0 2-.9 2-2V10c0-1.1-.9-2-2-2zm-6 9c-1.1 0-2-.9-2-2s.9-2 2-2 2 .9 2 2-.9 2-2 2zM9 8V6c0-1.66 1.34-3 3-3s3 1.34 3 3v2H9z"></path></svg><span class="label--pressed plyr__sr-only">Unlock controls</span><span class="label--not-pressed plyr__sr-only">Lock controls</span></button>`
);
const lockButton = player.elements.controls.children[0];
let controlsEnabled = created;
const setControlsEnabled = (enabled) => {
controlsEnabled = enabled;
lockButton.setAttribute("aria-pressed", enabled);
lockButton.classList.toggle("plyr__control--pressed", enabled);
player.elements.buttons.play[0].disabled =
player.elements.buttons.play[1].disabled =
player.elements.inputs.seek.disabled =
!enabled;
if (!enabled) {
// enable media button support
navigator.mediaSession.setActionHandler("play", null);
navigator.mediaSession.setActionHandler("pause", null);
navigator.mediaSession.setActionHandler("stop", null);
navigator.mediaSession.setActionHandler("seekbackward", null);
navigator.mediaSession.setActionHandler("seekforward", null);
navigator.mediaSession.setActionHandler("seekto", null);
navigator.mediaSession.setActionHandler("previoustrack", null);
navigator.mediaSession.setActionHandler("nexttrack", null);
} else {
// disable media button support by ignoring the events
navigator.mediaSession.setActionHandler("play", () => {});
navigator.mediaSession.setActionHandler("pause", () => {});
navigator.mediaSession.setActionHandler("stop", () => {});
navigator.mediaSession.setActionHandler("seekbackward", () => {});
navigator.mediaSession.setActionHandler("seekforward", () => {});
navigator.mediaSession.setActionHandler("seekto", () => {});
navigator.mediaSession.setActionHandler("previoustrack", () => {});
navigator.mediaSession.setActionHandler("nexttrack", () => {});
}
};
setControlsEnabled(controlsEnabled);
lockButton.addEventListener("click", () =>
setControlsEnabled(!controlsEnabled)
);
window.__plyr = player;
return player;
};
/**
* @param {string} videoUrl
* @param {{name: string, url: string}[]} subtitles
* @param {number} currentTime
* @param {boolean} playing
*/
export const setupVideo = async (
videoUrl,
subtitles,
currentTime,
playing,
created
) => {
document.querySelector("#pre-join-controls").style["display"] = "none";
const player = createVideoElement(videoUrl, subtitles, created);
player.currentTime = currentTime / 1000.0;
try {
if (playing) {
player.play();
} else {
player.pause();
}
} catch (err) {
// Auto-play is probably disabled, we should uhhhhhhh do something about it
}
return player;
};

546
frontend/lib/watch-session.mjs
View File

@ -1,276 +1,270 @@
import { setupVideo } from "./video.mjs?v=bfdcf2";
import {
setupChat,
logEventToChat,
updateViewerList,
printChatMessage,
} from "./chat.mjs?v=bfdcf2";
import ReconnectingWebSocket from "./reconnecting-web-socket.mjs";
import { state } from "./state.mjs";
/**
* @param {string} sessionId
* @param {string} nickname
* @returns {ReconnectingWebSocket}
*/
const createWebSocket = () => {
const wsUrl = new URL(
`/sess/${state().sessionId}/subscribe` +
`?nickname=${encodeURIComponent(state().nickname)}` +
`&colour=${encodeURIComponent(state().colour)}`,
window.location.href
);
wsUrl.protocol = "ws" + window.location.protocol.slice(4);
const socket = new ReconnectingWebSocket(wsUrl);
return socket;
};
let outgoingDebounce = false;
let outgoingDebounceCallbackId = null;
export const setDebounce = () => {
outgoingDebounce = true;
if (outgoingDebounceCallbackId) {
cancelIdleCallback(outgoingDebounceCallbackId);
outgoingDebounceCallbackId = null;
}
outgoingDebounceCallbackId = setTimeout(() => {
outgoingDebounce = false;
}, 500);
};
export const setVideoTime = (time, video = null) => {
if (video == null) {
video = document.querySelector("video");
}
const timeSecs = time / 1000.0;
if (Math.abs(video.currentTime - timeSecs) > 0.5) {
video.currentTime = timeSecs;
}
};
export const setPlaying = async (playing, video = null) => {
if (video == null) {
video = document.querySelector("video");
}
if (playing) {
await video.play();
} else {
video.pause();
}
};
/**
* @param {HTMLVideoElement} video
* @param {ReconnectingWebSocket} socket
*/
const setupIncomingEvents = (video, socket) => {
socket.addEventListener("message", async (messageEvent) => {
try {
const event = JSON.parse(messageEvent.data);
if (!event.reflected) {
switch (event.op) {
case "SetPlaying":
setDebounce();
if (event.data.playing) {
await video.play();
} else {
video.pause();
}
setVideoTime(event.data.time, video);
break;
case "SetTime":
setDebounce();
setVideoTime(event.data, video);
break;
case "UpdateViewerList":
updateViewerList(event.data);
break;
}
}
logEventToChat(event);
} catch (_err) {}
});
};
/**
* @param {HTMLVideoElement} video
* @param {ReconnectingWebSocket} socket
*/
const setupOutgoingEvents = (video, socket) => {
const currentVideoTime = () => (video.currentTime * 1000) | 0;
video.addEventListener("pause", async (event) => {
if (outgoingDebounce || !video.controls) {
return;
}
// don't send a pause event for the video ending
if (video.currentTime == video.duration) {
return;
}
socket.send(
JSON.stringify({
op: "SetPlaying",
data: {
playing: false,
time: currentVideoTime(),
},
})
);
});
video.addEventListener("play", (event) => {
if (outgoingDebounce || !video.controls) {
return;
}
socket.send(
JSON.stringify({
op: "SetPlaying",
data: {
playing: true,
time: currentVideoTime(),
},
})
);
});
let firstSeekComplete = false;
video.addEventListener("seeked", async (event) => {
if (!firstSeekComplete) {
// The first seeked event is performed by the browser when the video is loading
firstSeekComplete = true;
return;
}
if (outgoingDebounce || !video.controls) {
return;
}
socket.send(
JSON.stringify({
op: "SetTime",
data: {
to: currentVideoTime(),
},
})
);
});
};
export const joinSession = async () => {
if (state().activeSession) {
if (state().activeSession === state().sessionId) {
// we are already in this session, dont rejoin
return;
}
// we are joining a new session from an existing session
const messageContent = document.createElement("span");
messageContent.appendChild(document.createTextNode("joining new session "));
messageContent.appendChild(document.createTextNode(state().sessionId));
printChatMessage("join-session", "watch-party", "#fffff", messageContent);
}
state().activeSession = state().sessionId;
// try { // we are handling errors in the join form.
const genericConnectionError = new Error(
"There was an issue getting the session information."
);
window.location.hash = state().sessionId;
let response, video_url, subtitle_tracks, current_time_ms, is_playing;
try {
response = await fetch(`/sess/${state().sessionId}`);
} catch (e) {
console.error(e);
throw genericConnectionError;
}
if (!response.ok) {
let error;
try {
({ error } = await response.json());
if (!error) throw new Error();
} catch (e) {
console.error(e);
throw genericConnectionError;
}
throw new Error(error);
}
try {
({ video_url, subtitle_tracks, current_time_ms, is_playing } =
await response.json());
} catch (e) {
console.error(e);
throw genericConnectionError;
}
if (state().socket) {
state().socket.close();
state().socket = null;
}
const socket = createWebSocket();
state().socket = socket;
socket.addEventListener("open", async () => {
const video = await setupVideo(
video_url,
subtitle_tracks,
current_time_ms,
is_playing
);
// TODO: Allow the user to set this somewhere
let defaultAllowControls = false;
try {
defaultAllowControls = localStorage.getItem(
"watch-party-default-allow-controls"
);
} catch (_err) {}
// By default, we should disable video controls if the video is already playing.
// This solves an issue where Safari users join and seek to 00:00:00 because of
// outgoing events.
if (current_time_ms != 0 || !defaultAllowControls) {
video.controls = false;
}
setupOutgoingEvents(video, socket);
setupIncomingEvents(video, socket);
setupChat(socket);
});
socket.addEventListener("reconnecting", (e) => {
console.log("Reconnecting...");
});
socket.addEventListener("reconnected", (e) => {
console.log("Reconnected.");
});
//} catch (e) {
// alert(e.message)
//}
};
/**
* @param {string} videoUrl
* @param {Array} subtitleTracks
*/
export const createSession = async (videoUrl, subtitleTracks) => {
const { id } = await fetch("/start_session", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
video_url: videoUrl,
subtitle_tracks: subtitleTracks,
}),
}).then((r) => r.json());
window.location = `/?created=true#${id}`;
};
import { setupVideo } from "./video.mjs?v=bfdcf2";
import {
setupChat,
logEventToChat,
updateViewerList,
printChatMessage,
} from "./chat.mjs?v=bfdcf2";
import ReconnectingWebSocket from "./reconnecting-web-socket.mjs";
import { state } from "./state.mjs";
let player;
/**
* @param {string} sessionId
* @param {string} nickname
* @returns {ReconnectingWebSocket}
*/
const createWebSocket = () => {
const wsUrl = new URL(
`/sess/${state().sessionId}/subscribe` +
`?nickname=${encodeURIComponent(state().nickname)}` +
`&colour=${encodeURIComponent(state().colour)}`,
window.location.href
);
wsUrl.protocol = "ws" + window.location.protocol.slice(4);
const socket = new ReconnectingWebSocket(wsUrl);
return socket;
};
let outgoingDebounce = false;
let outgoingDebounceCallbackId = null;
export const setDebounce = () => {
outgoingDebounce = true;
if (outgoingDebounceCallbackId) {
cancelIdleCallback(outgoingDebounceCallbackId);
outgoingDebounceCallbackId = null;
}
outgoingDebounceCallbackId = setTimeout(() => {
outgoingDebounce = false;
}, 500);
};
export const setVideoTime = (time) => {
const timeSecs = time / 1000.0;
if (Math.abs(player.currentTime - timeSecs) > 0.5) {
player.currentTime = timeSecs;
}
};
export const setPlaying = async (playing) => {
if (playing) {
await player.play();
} else {
player.pause();
}
};
/**
* @param {HTMLVideoElement} video
* @param {ReconnectingWebSocket} socket
*/
const setupIncomingEvents = (player, socket) => {
socket.addEventListener("message", async (messageEvent) => {
try {
const event = JSON.parse(messageEvent.data);
if (!event.reflected) {
switch (event.op) {
case "SetPlaying":
setDebounce();
if (event.data.playing) {
await player.play();
} else {
player.pause();
}
setVideoTime(event.data.time);
break;
case "SetTime":
setDebounce();
setVideoTime(event.data);
break;
case "UpdateViewerList":
updateViewerList(event.data);
break;
}
}
logEventToChat(event);
} catch (_err) {}
});
};
/**
* @param {Plyr} player
* @param {ReconnectingWebSocket} socket
*/
const setupOutgoingEvents = (player, socket) => {
const currentVideoTime = () => (player.currentTime * 1000) | 0;
player.on("pause", async () => {
if (outgoingDebounce || player.elements.inputs.seek.disabled) {
return;
}
// don't send a pause event for the video ending
if (player.currentTime == player.duration) {
return;
}
socket.send(
JSON.stringify({
op: "SetPlaying",
data: {
playing: false,
time: currentVideoTime(),
},
})
);
});
player.on("play", () => {
if (outgoingDebounce || player.elements.inputs.seek.disabled) {
return;
}
socket.send(
JSON.stringify({
op: "SetPlaying",
data: {
playing: true,
time: currentVideoTime(),
},
})
);
});
let firstSeekComplete = false;
player.on("seeked", async (event) => {
if (!firstSeekComplete) {
// The first seeked event is performed by the browser when the video is loading
firstSeekComplete = true;
return;
}
if (outgoingDebounce || player.elements.inputs.seek.disabled) {
return;
}
socket.send(
JSON.stringify({
op: "SetTime",
data: {
to: currentVideoTime(),
},
})
);
});
};
export const joinSession = async (created) => {
if (state().activeSession) {
if (state().activeSession === state().sessionId) {
// we are already in this session, dont rejoin
return;
}
// we are joining a new session from an existing session
const messageContent = document.createElement("span");
messageContent.appendChild(document.createTextNode("joining new session "));
messageContent.appendChild(document.createTextNode(state().sessionId));
printChatMessage("join-session", "watch-party", "#fffff", messageContent);
}
state().activeSession = state().sessionId;
// try { // we are handling errors in the join form.
const genericConnectionError = new Error(
"There was an issue getting the session information."
);
window.location.hash = state().sessionId;
let response, video_url, subtitle_tracks, current_time_ms, is_playing;
try {
response = await fetch(`/sess/${state().sessionId}`);
} catch (e) {
console.error(e);
throw genericConnectionError;
}
if (!response.ok) {
let error;
try {
({ error } = await response.json());
if (!error) throw new Error();
} catch (e) {
console.error(e);
throw genericConnectionError;
}
throw new Error(error);
}
try {
({ video_url, subtitle_tracks, current_time_ms, is_playing } =
await response.json());
} catch (e) {
console.error(e);
throw genericConnectionError;
}
if (state().socket) {
state().socket.close();
state().socket = null;
}
const socket = createWebSocket();
state().socket = socket;
socket.addEventListener("open", async () => {
player = await setupVideo(
video_url,
subtitle_tracks,
current_time_ms,
is_playing,
created
);
player.on("canplay", () => {
sync();
});
setupOutgoingEvents(player, socket);
setupIncomingEvents(player, socket);
setupChat(socket);
});
socket.addEventListener("reconnecting", (e) => {
console.log("Reconnecting...");
});
socket.addEventListener("reconnected", (e) => {
console.log("Reconnected.");
});
//} catch (e) {
// alert(e.message)
//}
};
/**
* @param {string} videoUrl
* @param {Array} subtitleTracks
*/
export const createSession = async (videoUrl, subtitleTracks) => {
const { id } = await fetch("/start_session", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
video_url: videoUrl,
subtitle_tracks: subtitleTracks,
}),
}).then((r) => r.json());
window.location = `/?created=true#${id}`;
};
export const sync = async () => {
setDebounce();
await setPlaying(false);
const { current_time_ms, is_playing } = await fetch(
`/sess/${state().sessionId}`
).then((r) => r.json());
setDebounce();
setVideoTime(current_time_ms);
if (is_playing) await setPlaying(is_playing);
};

22
frontend/main.mjs
View File

@ -1,11 +1,11 @@
import { setupJoinSessionForm } from "./lib/join-session.mjs?v=bfdcf2";
const main = () => {
setupJoinSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}
import { setupJoinSessionForm } from "./lib/join-session.mjs?v=bfdcf2";
const main = () => {
setupJoinSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}

48
frontend/styles.css
View File

@ -25,6 +25,14 @@
),
linear-gradient(var(--bg), var(--bg));
--accent-transparent: rgba(var(--accent-rgb), 0.25);
--plyr-color-main: var(--accent);
--plyr-control-radius: 6px;
--plyr-menu-radius: 6px;
--plyr-menu-background: var(--autocomplete-bg);
--plyr-menu-color: var(--fg);
--plyr-menu-arrow-color: var(--fg);
--plyr-menu-back-border-color: var(--fg-transparent);
--plyr-menu-back-border-shadow-color: transparent;
}
html {
@ -49,11 +57,41 @@ body {
flex-direction: column;
}
video {
display: block;
.lock-controls.plyr__control--pressed svg {
opacity: 0.5;
}
.plyr {
width: 100%;
height: 100%;
object-fit: contain;
}
.plyr__menu__container {
--plyr-video-control-background-hover: var(--fg-transparent);
--plyr-video-control-color-hover: var(--fg);
--plyr-control-radius: 4px;
--plyr-control-spacing: calc(0.25rem / 0.7);
--plyr-font-size-menu: 0.75rem;
--plyr-menu-arrow-size: 0;
margin-bottom: 0.48rem;
max-height: 27vmin;
clip-path: inset(0 0 0 0 round 4px);
scrollbar-width: thin;
}
.plyr__menu__container .plyr__control[role="menuitemradio"]::after {
left: 10px;
}
.plyr__menu__container
.plyr__control[role="menuitemradio"][aria-checked="true"].plyr__tab-focus::before,
.plyr__menu__container
.plyr__control[role="menuitemradio"][aria-checked="true"]:hover::before {
background: var(--accent);
}
[data-plyr="language"] .plyr__menu__value {
display: none;
}
#video-container {
@ -131,7 +169,7 @@ input[type="text"] {
overflow-y: scroll;
}
button {
button:not(.plyr button) {
background-color: var(--accent);
border: var(--accent);
border-radius: 6px;
@ -303,7 +341,7 @@ button.small-button {
display: none;
}
.emoji-option {
.emoji-option:not(:root) {
background: transparent;
font-size: 0.75rem;
text-align: left;