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watch-party
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base: lavender:main
Branches Tags
lavender:main
lavender:votekiss
lavender:experimental
nyancrimew:main
nyancrimew:minor-improvements
nyancrimew:annie-mode
nyancrimew:user-list
nyancrimew:create-form
nyancrimew:chat-popout
..
compare: nyancrimew:main
Branches Tags
nyancrimew:main
nyancrimew:minor-improvements
nyancrimew:annie-mode
nyancrimew:user-list
nyancrimew:create-form
nyancrimew:chat-popout
lavender:main
lavender:votekiss
lavender:experimental

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27 changed files with 1281 additions and 2368 deletions
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2
.editorconfig
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@ -3,7 +3,7 @@ root = true
[*]
indent_style = space
indent_size = 2
end_of_line = lf
end_of_line = crlf
charset = utf-8
trim_trailing_whitespace = false
insert_final_newline = true

1
.gitignore vendored
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@ -1,2 +1 @@
/target
/frontend/emojis/*

2
Cargo.toml
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@ -10,6 +10,6 @@ once_cell = "1.8.0"
serde = { version = "1.0.130", features = ["derive"] }
serde_json = "1.0.68"
tokio = { version = "1.12.0", features = ["full"] }
tokio-stream = { version = "0.1.7", features = ["fs"] }
tokio-stream = "0.1.7"
uuid = { version = "0.8.2", features = ["v4"] }
warp = "0.3.1"

104
frontend/create.html
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@ -1,52 +1,52 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>watch party :D</title>
<link rel="stylesheet" href="/styles.css?v=4b61c4" />
</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=4b61c4"></script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>watch party :D</title>
<link rel="stylesheet" href="/styles.css?v=4" />
</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>
</form>
<p>
Already have a session?
<a href="/">Join your session</a> instead.
</p>
</div>
<script type="module" src="/create.mjs?v=1"></script>
</body>
</html>

22
frontend/create.mjs
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@ -1,11 +1,11 @@
import { setupCreateSessionForm } from "./lib/create-session.mjs?v=4b61c4";
const main = () => {
setupCreateSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}
import { setupCreateSessionForm } from "./lib/create-session.mjs?v=2";
const main = () => {
setupCreateSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}

142
frontend/index.html
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@ -1,85 +1,57 @@
<!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=4b61c4" />
</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=4b61c4"></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="/styles.css?v=4" />
</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"
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>
</form>
<p>
No session to join? <a href="/create.html">Create a session</a> instead.
</p>
</div>
<div id="video-container"></div>
<div id="chatbox-container">
<div id="chatbox"></div>
<form id="chatbox-send">
<input type="text" placeholder="Message..." />
</form>
</div>
<script type="module" src="/main.mjs?v=4"></script>
</body>
</html>

636
frontend/lib/chat.mjs
View File

@ -1,453 +1,183 @@
import {
setDebounce,
setVideoTime,
setPlaying,
sync,
} from "./watch-session.mjs?v=4b61c4";
import { emojify, findEmojis } from "./emojis.mjs?v=4b61c4";
import { linkify } from "./links.mjs?v=4b61c4";
import { joinSession } from "./watch-session.mjs?v=4b61c4";
import { pling } from "./pling.mjs?v=4b61c4";
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: #${viewer.colour}`;
viewerElem.appendChild(content);
listContainer.appendChild(viewerElem);
}
};
const setupChatboxEvents = (socket) => {
// clear events by just reconstructing the form
const oldChatForm = document.querySelector("#chatbox-send");
const chatForm = oldChatForm.cloneNode(true);
oldChatForm.replaceWith(chatForm);
chatForm.addEventListener("submit", (e) => {
e.preventDefault();
const input = chatForm.querySelector("input");
const content = input.value;
if (content.trim().length) {
input.value = "";
socket.send(
JSON.stringify({
op: "ChatMessage",
data: content,
})
);
}
});
};
const fixChatSize = () => {
const video = document.querySelector("video");
const chatbox = document.querySelector("#chatbox");
const chatboxContainer = document.querySelector("#chatbox-container");
if (video && chatbox && chatboxContainer) {
const delta = chatboxContainer.clientHeight - chatbox.clientHeight;
chatbox.style["height"] = `calc(${
window.innerHeight - video.clientHeight
}px - ${delta}px - 1em)`;
}
};
/**
* @param {WebSocket} socket
*/
export const setupChat = async (socket) => {
document.querySelector("#chatbox-container").style["display"] = "block";
setupChatboxEvents(socket);
fixChatSize();
window.addEventListener("resize", () => {
fixChatSize();
});
};
const addToChat = (node) => {
const chatbox = document.querySelector("#chatbox");
chatbox.appendChild(node);
chatbox.scrollTop = chatbox.scrollHeight;
};
let lastTimeMs = null;
let lastPlaying = false;
const checkDebounce = (event) => {
let timeMs = null;
let playing = null;
if (event.op == "SetTime") {
timeMs = event.data;
} else if (event.op == "SetPlaying") {
timeMs = event.data.time;
playing = event.data.playing;
}
let shouldIgnore = false;
if (timeMs != null) {
if (lastTimeMs && Math.abs(lastTimeMs - timeMs) < 500) {
shouldIgnore = true;
}
lastTimeMs = timeMs;
}
if (playing != null) {
if (lastPlaying != playing) {
shouldIgnore = false;
}
lastPlaying = playing;
}
return shouldIgnore;
};
/**
* @param {string} eventType
* @param {string?} user
* @param {Node?} content
*/
const printChatMessage = (eventType, user, content) => {
const chatMessage = document.createElement("div");
chatMessage.classList.add("chat-message");
chatMessage.classList.add(eventType);
if (user != null) {
const userName = document.createElement("strong");
userName.textContent = user;
chatMessage.appendChild(userName);
}
chatMessage.appendChild(document.createTextNode(" "));
if (content != null) {
chatMessage.appendChild(content);
}
addToChat(chatMessage);
return chatMessage;
};
const formatTime = (ms) => {
const seconds = Math.floor((ms / 1000) % 60);
const minutes = Math.floor((ms / (60 * 1000)) % 60);
const hours = Math.floor((ms / (3600 * 1000)) % 3600);
return `${hours < 10 ? "0" + hours : hours}:${
minutes < 10 ? "0" + minutes : minutes
}:${seconds < 10 ? "0" + seconds : seconds}`;
};
export const logEventToChat = (event) => {
if (checkDebounce(event)) {
return;
}
switch (event.op) {
case "UserJoin": {
printChatMessage(
"user-join",
event.user,
document.createTextNode("joined")
);
break;
}
case "UserLeave": {
printChatMessage(
"user-leave",
event.user,
document.createTextNode("left")
);
break;
}
case "ChatMessage": {
const messageContent = document.createElement("span");
messageContent.classList.add("message-content");
messageContent.textContent = event.data;
printChatMessage("chat-message", event.user, messageContent);
break;
}
case "SetTime": {
const messageContent = document.createElement("span");
messageContent.appendChild(document.createTextNode("set the time to "));
messageContent.appendChild(
document.createTextNode(formatTime(event.data))
);
printChatMessage("set-time", event.user, 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, messageContent);
break;
}
}
};

36
frontend/lib/create-session.mjs
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@ -1,18 +1,18 @@
import { createSession } from "./watch-session.mjs?v=4b61c4";
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=4";
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);
});
};

72
frontend/lib/emojis.mjs
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@ -1,72 +0,0 @@
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]];
}

151
frontend/lib/join-session.mjs
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@ -1,95 +1,56 @@
import { joinSession } from "./watch-session.mjs?v=4b61c4";
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, `/${window.location.hash}`);
return true;
}
return false;
};
export const setupJoinSessionForm = () => {
const created = displayPostCreateMessage();
const form = document.querySelector("#join-session-form");
const nickname = form.querySelector("#join-session-nickname");
const colour = form.querySelector("#join-session-colour");
const sessionId = form.querySelector("#join-session-id");
const button = form.querySelector("#join-session-button");
loadNickname(nickname);
loadColour(colour);
if (window.location.hash.match(/#[0-9a-f\-]+/)) {
sessionId.value = window.location.hash.substring(1);
}
form.addEventListener("submit", async (event) => {
event.preventDefault();
button.disabled = true;
saveNickname(nickname);
saveColour(colour);
try {
state().nickname = nickname.value;
state().sessionId = sessionId.value;
state().colour = colour.value.replace(/^#/, "");
await joinSession(created);
} catch (e) {
alert(e.message);
button.disabled = false;
}
});
};
import { joinSession } from "./watch-session.mjs?v=4";
/**
* @param {HTMLInputElement} field
*/
const loadNickname = (field) => {
try {
const savedNickname = localStorage.getItem("watch-party-nickname");
field.value = savedNickname;
} catch (_err) {
// Sometimes localStorage is blocked from use
}
};
/**
* @param {HTMLInputElement} field
*/
const saveNickname = (field) => {
try {
localStorage.setItem("watch-party-nickname", field.value);
} catch (_err) {
// see loadNickname
}
};
const displayPostCreateMessage = () => {
const params = new URLSearchParams(window.location.search);
if (params.get("created") == "true") {
document.querySelector("#post-create-message").style["display"] = "block";
window.history.replaceState({}, document.title, `/${window.location.hash}`);
}
};
export const setupJoinSessionForm = () => {
displayPostCreateMessage();
const form = document.querySelector("#join-session-form");
const nickname = form.querySelector("#join-session-nickname");
const sessionId = form.querySelector("#join-session-id");
const button = form.querySelector("#join-session-button");
loadNickname(nickname);
if (window.location.hash.match(/#[0-9a-f\-]+/)) {
sessionId.value = window.location.hash.substring(1);
}
form.addEventListener("submit", (event) => {
event.preventDefault();
button.disabled = true;
saveNickname(nickname);
joinSession(nickname.value, sessionId.value);
});
};

121
frontend/lib/links.mjs
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@ -1,121 +0,0 @@
import { joinSession } from "./watch-session.mjs?v=4b61c4";
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]];
}

79
frontend/lib/pling.mjs
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@ -1,79 +0,0 @@
export const pling = () => {
const maxGain = 0.3;
const duration = 0.22;
const fadeDuration = 0.1;
const secondBeepOffset = 0.05;
const thirdBeepOffset = 2 * secondBeepOffset;
const ctx = new AudioContext();
const firstBeepGain = ctx.createGain();
firstBeepGain.connect(ctx.destination);
firstBeepGain.gain.setValueAtTime(0.01, ctx.currentTime);
firstBeepGain.gain.exponentialRampToValueAtTime(
maxGain,
ctx.currentTime + fadeDuration
);
firstBeepGain.gain.setValueAtTime(
maxGain,
ctx.currentTime + (duration - fadeDuration)
);
firstBeepGain.gain.exponentialRampToValueAtTime(
0.01,
ctx.currentTime + duration
);
const firstBeep = ctx.createOscillator();
firstBeep.connect(firstBeepGain);
firstBeep.frequency.value = 400;
firstBeep.type = "sine";
const secondBeepGain = ctx.createGain();
secondBeepGain.connect(ctx.destination);
secondBeepGain.gain.setValueAtTime(0.01, ctx.currentTime + secondBeepOffset);
secondBeepGain.gain.exponentialRampToValueAtTime(
maxGain,
ctx.currentTime + secondBeepOffset + fadeDuration
);
secondBeepGain.gain.setValueAtTime(
maxGain,
ctx.currentTime + secondBeepOffset + (duration - fadeDuration)
);
secondBeepGain.gain.exponentialRampToValueAtTime(
0.01,
ctx.currentTime + secondBeepOffset + duration
);
const secondBeep = ctx.createOscillator();
secondBeep.connect(secondBeepGain);
secondBeep.frequency.value = 600;
secondBeep.type = "sine";
const thirdBeepGain = ctx.createGain();
thirdBeepGain.connect(ctx.destination);
thirdBeepGain.gain.setValueAtTime(0.01, ctx.currentTime + thirdBeepOffset);
thirdBeepGain.gain.exponentialRampToValueAtTime(
maxGain,
ctx.currentTime + thirdBeepOffset + fadeDuration
);
thirdBeepGain.gain.setValueAtTime(
maxGain,
ctx.currentTime + thirdBeepOffset + (duration - fadeDuration)
);
thirdBeepGain.gain.exponentialRampToValueAtTime(
0.01,
ctx.currentTime + thirdBeepOffset + duration
);
const thirdBeep = ctx.createOscillator();
thirdBeep.connect(thirdBeepGain);
thirdBeep.frequency.value = 900;
thirdBeep.type = "sine";
firstBeep.start(ctx.currentTime);
firstBeep.stop(ctx.currentTime + duration);
secondBeep.start(ctx.currentTime + secondBeepOffset);
secondBeep.stop(ctx.currentTime + (secondBeepOffset + duration));
thirdBeep.start(ctx.currentTime + thirdBeepOffset);
thirdBeep.stop(ctx.currentTime + (thirdBeepOffset + duration));
};

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frontend/lib/plyr-3.7.3.css
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frontend/lib/plyr-3.7.3.min.esm.js
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71
frontend/lib/reconnecting-web-socket.mjs
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@ -1,71 +0,0 @@
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);
}
}

7
frontend/lib/state.mjs
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@ -1,7 +0,0 @@
let instance = null;
export const state = () => {
if (!instance) {
instance = {};
}
return instance;
};

204
frontend/lib/video.mjs
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@ -1,112 +1,92 @@
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;
};
/**
* @param {string} videoUrl
* @param {{name: string, url: string}[]} subtitles
*/
const createVideoElement = (videoUrl, subtitles) => {
const video = document.createElement("video");
video.controls = true;
video.autoplay = false;
video.crossOrigin = "anonymous";
const source = document.createElement("source");
source.src = videoUrl;
video.appendChild(source);
let first = true;
for (const { name, url } of subtitles) {
const track = document.createElement("track");
track.label = name;
track.src = url;
track.kind = "captions";
if (first) {
track.default = true;
first = false;
}
video.appendChild(track);
}
// 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);
navigator.mediaSession.setActionHandler("skipad", 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", () => {});
navigator.mediaSession.setActionHandler("skipad", () => {});
}
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);
document.querySelector("#video-container").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;
};

461
frontend/lib/watch-session.mjs
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@ -1,270 +1,191 @@
import { setupVideo } from "./video.mjs?v=4b61c4";
import {
setupChat,
logEventToChat,
updateViewerList,
printChatMessage,
} from "./chat.mjs?v=4b61c4";
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);
};
import { setupVideo } from "./video.mjs?v=e";
import { setupChat, logEventToChat } from "./chat.mjs?v=2";
/**
* @param {string} sessionId
* @param {string} nickname
* @returns {WebSocket}
*/
const createWebSocket = (sessionId, nickname) => {
const wsUrl = new URL(
`/sess/${sessionId}/subscribe` +
`?nickname=${encodeURIComponent(nickname)}`,
window.location.href
);
wsUrl.protocol = { "http:": "ws:", "https:": "wss:" }[wsUrl.protocol];
const socket = new WebSocket(wsUrl.toString());
return socket;
};
let outgoingDebounce = false;
let outgoingDebounceCallbackId = null;
const setDebounce = () => {
outgoingDebounce = true;
if (outgoingDebounceCallbackId) {
cancelIdleCallback(outgoingDebounceCallbackId);
outgoingDebounceCallbackId = null;
}
outgoingDebounceCallbackId = setTimeout(() => {
outgoingDebounce = false;
}, 500);
};
/**
* @param {HTMLVideoElement} video
* @param {WebSocket} socket
*/
const setupIncomingEvents = (video, socket) => {
const setVideoTime = (time) => {
const timeSecs = time / 1000.0;
if (Math.abs(video.currentTime - timeSecs) > 0.5) {
video.currentTime = timeSecs;
}
};
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);
break;
case "SetTime":
setDebounce();
setVideoTime(event.data);
break;
}
}
logEventToChat(event);
} catch (_err) {}
});
};
/**
* @param {HTMLVideoElement} video
* @param {WebSocket} 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: currentVideoTime(),
})
);
});
};
/**
* @param {string} nickname
* @param {string} sessionId
*/
export const joinSession = async (nickname, sessionId) => {
try {
window.location.hash = sessionId;
const { video_url, subtitle_tracks, current_time_ms, is_playing } =
await fetch(`/sess/${sessionId}`).then((r) => r.json());
const socket = createWebSocket(sessionId, nickname);
socket.addEventListener("open", async () => {
const video = await setupVideo(
video_url,
subtitle_tracks,
current_time_ms,
is_playing
);
setupOutgoingEvents(video, socket);
setupIncomingEvents(video, socket);
setupChat(socket);
});
// TODO: Close listener ?
} catch (err) {
// TODO: Show an error on the screen
console.error(err);
}
};
/**
* @param {string} videoUrl
* @param {Array} subtitleTracks
*/
export const createSession = async (videoUrl, subtitleTracks) => {
const { id } = await fetch("/start_session", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
video_url: videoUrl,
subtitle_tracks: subtitleTracks,
}),
}).then((r) => r.json());
window.location = `/?created=true#${id}`;
};

22
frontend/main.mjs
View File

@ -1,11 +1,11 @@
import { setupJoinSessionForm } from "./lib/join-session.mjs?v=4b61c4";
const main = () => {
setupJoinSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}
import { setupJoinSessionForm } from "./lib/join-session.mjs?v=4";
const main = () => {
setupJoinSessionForm();
};
if (document.readyState === "complete") {
main();
} else {
document.addEventListener("DOMContentLoaded", main);
}

635
frontend/styles.css
View File

@ -1,435 +1,200 @@
*,
*:before,
*:after {
box-sizing: border-box;
}
:root {
--bg-rgb: 28, 23, 36;
--fg-rgb: 234, 234, 248;
--accent-rgb: 181, 127, 220;
--fg: rgb(var(--fg-rgb));
--bg: rgb(var(--bg-rgb));
--default-user-color: rgb(126, 208, 255);
--accent: rgb(var(--accent-rgb));
--fg-transparent: rgba(var(--fg-rgb), 0.25);
--bg-transparent: rgba(var(--bg-rgb), 0.25);
--autocomplete-bg: linear-gradient(
var(--fg-transparent),
var(--fg-transparent)
),
linear-gradient(var(--bg), var(--bg));
--chip-bg: linear-gradient(
var(--accent-transparent),
var(--accent-transparent)
),
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 {
background-color: var(--bg);
color: var(--fg);
font-size: 1.125rem;
font-family: sans-serif;
}
html,
body {
margin: 0;
padding: 0;
overflow: hidden;
overscroll-behavior: none;
width: 100%;
height: 100%;
}
body {
display: flex;
flex-direction: column;
}
.lock-controls.plyr__control--pressed svg {
opacity: 0.5;
}
.plyr {
width: 100%;
height: 100%;
}
.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 {
flex-grow: 0;
flex-shrink: 1;
display: none;
}
a {
color: var(--accent);
}
.chip {
color: var(--fg);
background: var(--chip-bg);
text-decoration: none;
padding: 0 0.5rem 0 1.45rem;
display: inline-flex;
position: relative;
font-size: 0.9rem;
height: 1.125rem;
align-items: center;
border-radius: 2rem;
overflow: hidden;
}
.chip::before {
content: "";
position: absolute;
left: 0;
top: 0;
width: 1.125rem;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
text-align: center;
background: var(--accent-transparent);
background-repeat: no-repeat;
background-size: 18px;
background-position: center;
}
.join-chip::before {
background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjQiIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0iI2ZmZiI+PHBhdGggZD0iTTggNXYxNGwxMS03eiIvPjwvc3ZnPg==");
}
.time-chip::before {
background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjQiIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0iI2ZmZiI+PHBhdGggZD0iTTExLjk5IDJDNi40NyAyIDIgNi40OCAyIDEyczQuNDcgMTAgOS45OSAxMEMxNy41MiAyMiAyMiAxNy41MiAyMiAxMlMxNy41MiAyIDExLjk5IDJ6TTEyIDIwYy00LjQyIDAtOC0zLjU4LTgtOHMzLjU4LTggOC04IDggMy41OCA4IDgtMy41OCA4LTggOHoiLz48cGF0aCBkPSJNMTIuNSA3SDExdjZsNS4yNSAzLjE1Ljc1LTEuMjMtNC41LTIuNjd6Ii8+PC9zdmc+");
}
label {
display: block;
}
input[type="url"],
input[type="text"] {
background: #fff;
background-clip: padding-box;
border: 1px solid rgba(0, 0, 0, 0.12);
border-radius: 6px;
color: rgba(0, 0, 0, 0.8);
display: block;
margin: 0.5em 0;
padding: 0.5em 1em;
line-height: 1.5;
font-family: sans-serif;
font-size: 1em;
width: 100%;
resize: none;
overflow-x: wrap;
overflow-y: scroll;
}
button:not(.plyr button) {
background-color: var(--accent);
border: var(--accent);
border-radius: 6px;
color: #fff;
padding: 0.5em 1em;
display: inline-block;
font-weight: 400;
text-align: center;
white-space: nowrap;
vertical-align: middle;
font-family: sans-serif;
font-size: 1em;
width: 100%;
user-select: none;
border: 1px solid rgba(0, 0, 0, 0);
line-height: 1.5;
cursor: pointer;
margin: 0.5em 0;
}
button:disabled {
filter: saturate(0.75);
opacity: 0.75;
cursor: default;
}
button.small-button {
font-size: 0.75em;
padding-top: 0;
padding-bottom: 0;
}
.subtitle-track-group {
display: flex;
}
.subtitle-track-group > * {
margin-top: 0 !important;
margin-bottom: 0 !important;
margin-right: 1ch !important;
}
#pre-join-controls,
#create-controls {
margin: 0;
flex-grow: 1;
overflow-y: auto;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
}
#join-session-form,
#create-session-form {
width: 500px;
max-width: 100%;
padding: 1rem;
}
#join-session-form > *:first-child,
#create-session-form > *:first-child {
margin-top: 0;
}
#post-create-message {
display: none;
width: 100%;
font-size: 0.85em;
}
#chatbox-container {
display: none;
}
.chat-message {
overflow-wrap: break-word;
margin-bottom: 0.125rem;
}
.chat-message > strong,
#viewer-list strong {
color: var(--user-color, var(--default-user-color));
}
.chat-message.user-join,
.chat-message.user-leave,
.chat-message.ping {
font-style: italic;
}
.chat-message.set-time,
.chat-message.set-playing,
.chat-message.join-session {
font-style: italic;
text-align: right;
font-size: 0.85em;
}
.chat-message.command-message {
font-size: 0.85em;
}
.chat-message.set-time > strong,
.chat-message.set-playing > strong,
.chat-message.join-session > strong {
color: unset !important;
}
.emoji {
width: 2ch;
height: 2ch;
object-fit: contain;
margin-bottom: -0.35ch;
}
#chatbox {
padding: 0.5em 1em;
overflow-y: scroll;
flex-shrink: 1;
flex-grow: 1;
}
#viewer-list {
padding: 0.5em 1em;
/* TODO: turn this into max-height instead of fixed height without breaking the chatbox height */
overflow-y: scroll;
border-bottom: var(--fg-transparent);
border-bottom-style: solid;
max-height: 4rem;
flex-shrink: 0;
}
#chatbox-container {
background-color: var(--bg);
flex-direction: column;
flex-grow: 1;
flex-shrink: 1;
flex-basis: 36ch;
min-width: 36ch;
overflow: hidden;
}
#chatbox-send {
padding: 0 1em;
padding-bottom: 0.5em;
position: relative;
}
#chatbox-send > input {
font-size: 0.75em;
width: 100%;
}
#emoji-autocomplete {
position: absolute;
bottom: 3.25rem;
background-image: var(--autocomplete-bg);
border-radius: 6px;
width: calc(100% - 2rem);
max-height: 8.5rem;
overflow-y: auto;
clip-path: inset(0 0 0 0 round 8px);
}
#emoji-autocomplete:empty {
display: none;
}
.emoji-option:not(:root) {
background: transparent;
font-size: 0.75rem;
text-align: left;
margin: 0 0.25rem;
border-radius: 4px;
width: calc(100% - 0.5rem);
display: flex;
align-items: center;
padding: 0.25rem 0.5rem;
scroll-margin: 0.25rem;
}
.emoji-option:first-child {
margin-top: 0.25rem;
}
.emoji-option:last-child {
margin-bottom: 0.25rem;
}
.emoji-option .emoji {
width: 1.25rem;
height: 1.25rem;
margin: 0 0.5rem 0 0;
font-size: 2.25ch;
display: flex;
align-items: center;
justify-content: center;
overflow: hidden;
flex-shrink: 0;
}
.emoji-name {
overflow: hidden;
text-overflow: ellipsis;
}
.emoji-option.selected {
background: var(--fg-transparent);
}
#join-session-colour {
-moz-appearance: none;
-webkit-appearance: none;
appearance: none;
border: none;
padding: 0;
border-radius: 6px;
overflow: hidden;
margin: 0.5em 0;
height: 2rem;
width: 2.5rem;
cursor: pointer;
}
input[type="color"]::-moz-color-swatch {
border: none;
margin: 0;
padding: 0;
}
input[type="color"]::-webkit-color-swatch {
border: none;
margin: 0;
padding: 0;
}
input[type="color"]::-webkit-color-swatch-wrapper {
border: none;
margin: 0;
padding: 0;
}
@media (min-aspect-ratio: 4/3) {
body {
flex-direction: row;
}
#chatbox-container {
height: 100vh !important;
flex-grow: 0;
}
#video-container {
flex-grow: 1;
}
#chatbox {
height: calc(100vh - 5em - 4em) !important;
}
}
:root {
--bg: rgb(28, 23, 36);
--fg: rgb(234, 234, 248);
--accent: hsl(275, 57%, 68%);
}
html {
background-color: var(--bg);
color: var(--fg);
font-size: 1.125rem;
font-family: sans-serif;
overflow-y: scroll;
scrollbar-width: none;
-ms-overflow-style: none;
}
::-webkit-scrollbar {
width: 0;
background: transparent;
}
html,
body {
margin: 0;
}
video {
display: block;
width: 100vw;
height: auto;
max-width: auto;
max-height: 100vh;
}
a {
color: var(--accent);
}
label {
display: block;
}
input[type="url"],
input[type="text"] {
box-sizing: border-box;
background: #fff;
background-clip: padding-box;
border: 1px solid rgba(0, 0, 0, 0.12);
border-radius: 6px;
color: rgba(0, 0, 0, 0.8);
display: block;
margin: 0.5em 0;
padding: 0.5em 1em;
line-height: 1.5;
font-family: sans-serif;
font-size: 1em;
width: 500px;
max-width: 100%;
resize: none;
overflow-x: wrap;
overflow-y: scroll;
}
button {
background-color: var(--accent);
border: var(--accent);
border-radius: 6px;
color: #fff;
padding: 0.5em 1em;
display: inline-block;
font-weight: 400;
text-align: center;
white-space: nowrap;
vertical-align: middle;
font-family: sans-serif;
font-size: 1em;
width: 500px;
max-width: 100%;
user-select: none;
border: 1px solid rgba(0, 0, 0, 0);
line-height: 1.5;
}
button.small-button {
font-size: 0.75em;
padding-top: 0;
padding-bottom: 0;
}
.subtitle-track-group {
display: flex;
}
.subtitle-track-group > * {
margin-top: 0 !important;
margin-bottom: 0 !important;
margin-right: 1ch !important;
}
#pre-join-controls,
#create-controls {
width: 60%;
margin: 0 auto;
margin-top: 4em;
}
#join-session-form,
#create-session-form {
margin-bottom: 4em;
}
#post-create-message {
display: none;
width: 500px;
max-width: 100%;
font-size: 0.85em;
}
#chatbox-container {
display: none;
}
.chat-message {
overflow-wrap: break-word;
}
.chat-message > strong {
color: rgb(126, 208, 255);
}
.chat-message.user-join,
.chat-message.user-leave {
font-style: italic;
}
.chat-message.set-time,
.chat-message.set-playing {
font-style: italic;
text-align: right;
font-size: 0.85em;
}
.chat-message.set-time > strong,
.chat-message.set-playing > strong {
color: unset;
}
#chatbox {
padding: 0.5em 2em;
min-height: 8em;
overflow-y: scroll;
}
#chatbox-container {
background-color: #222;
}
#chatbox-send {
padding: 0 2em;
padding-bottom: 0.5em;
}
#chatbox-send > input {
font-size: 0.75em;
width: 100%;
}
@media (min-aspect-ratio: 4/3) {
#video-container video {
width: calc(100vw - 400px);
position: absolute;
height: 100vh;
background-color: black;
}
#video-container {
float: left;
height: 100vh;
position: relative;
}
#chatbox-container {
float: right;
width: 400px;
height: 100vh !important;
}
#chatbox {
height: calc(100vh - 5em) !important;
}
}

23
scripts/get_emojis.sh
View File

@ -1,23 +0,0 @@
#!/bin/sh
set -eu
# Get guild ID
if [ ! "$1" ];then
echo "You need to provide a Discord Guild ID."
exit 1
else
guild="$1"
fi
# Get emoji folder
emojiFolder="$(readlink -f "$(dirname $0)/../frontend/emojis/")"
# Get Discord token
printf "Token: " 1>&2
trap 'stty echo' INT EXIT
stty -echo
read token
printf "\n" 1>&2
stty echo
curl "https://discord.com/api/v9/guilds/${guild}/emojis" -H "Authorization: $token" | jq --raw-output 'map((if .animated then ".gif" else ".png" end) as $ext | "curl '"'"'https://cdn.discordapp.com/emojis/" + .id + $ext + "?size=48&quality=lossless'"'"' -o '"'${emojiFolder}/"'" + .name + $ext + "'"'"'") | join("\n")' | sh

6
scripts/get_unicode_emojis.sh
View File

@ -1,6 +0,0 @@
#!/bin/sh
# Get emoji folder
emojiFolder="$(readlink -f "$(dirname $0)/../frontend/emojis/")"
curl 'https://raw.githubusercontent.com/iamcal/emoji-data/master/emoji.json' | jq '. | map(. as $emoji | .short_names | map([., ($emoji.unified | split("-") | map(. | split("") | map(. as $nibble | (["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"] | index($nibble))) | reduce .[] as $item (0; (. * 16) + $item)) | map(if (. < 65536) then (.) else [55296 - 64 + (. / 1024 | floor), 56320 + (((. / 1024) - (. / 1024 | floor)) * 1024)] end) | flatten(1) | map(("\\u" + ("0000" + ({"str": "", "num": .} | until(.num < 1; {"str": (["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"][((.num / 16) - (.num / 16 | floor)) * 16] + .str), "num": (.num / 16) | floor})).str)[-4:])) | join("") | "\"" + . + "\"" | fromjson)])) | flatten(1)' --raw-output >"$emojiFolder/unicode.json"

84
src/events.rs
View File

@ -1,52 +1,32 @@
use serde::{Deserialize, Serialize};
#[derive(Clone, Serialize, Deserialize)]
pub struct Viewer {
#[serde(default, skip_serializing_if = "Option::is_none")]
pub nickname: Option<String>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub colour: Option<String>,
}
#[derive(Clone, Serialize, Deserialize)]
#[serde(tag = "op", content = "data")]
pub enum WatchEventData {
SetPlaying {
playing: bool,
time: u64,
},
SetTime {
#[serde(default, skip_serializing_if = "Option::is_none")]
from: Option<u64>,
to: u64,
},
UserJoin,
UserLeave,
ChatMessage(String),
Ping(String),
UpdateViewerList(Vec<Viewer>),
}
#[derive(Clone, Serialize, Deserialize)]
pub struct WatchEvent {
#[serde(default, skip_serializing_if = "Option::is_none")]
pub user: Option<String>,
#[serde(default, skip_serializing_if = "Option::is_none")]
pub colour: Option<String>,
#[serde(flatten)]
pub data: WatchEventData,
#[serde(default)]
pub reflected: bool,
}
impl WatchEvent {
pub fn new(user: String, colour: String, data: WatchEventData) -> Self {
WatchEvent {
user: Some(user),
colour: Some(colour),
data,
reflected: false,
}
}
}
use serde::{Deserialize, Serialize};
#[derive(Clone, Serialize, Deserialize)]
#[serde(tag = "op", content = "data")]
pub enum WatchEventData {
SetPlaying { playing: bool, time: u64 },
SetTime(u64),
UserJoin,
UserLeave,
ChatMessage(String),
}
#[derive(Clone, Serialize, Deserialize)]
pub struct WatchEvent {
#[serde(default, skip_serializing_if = "Option::is_none")]
pub user: Option<String>,
#[serde(flatten)]
pub data: WatchEventData,
#[serde(default)]
pub reflected: bool,
}
impl WatchEvent {
pub fn new(user: String, data: WatchEventData) -> Self {
WatchEvent {
user: Some(user),
data,
reflected: false,
}
}
}

299
src/main.rs
View File

@ -1,132 +1,167 @@
use serde_json::json;
use std::net::IpAddr;
use uuid::Uuid;
use warb::{hyper::StatusCode, Filter, Reply};
use warp as warb; // i think it's funny
mod events;
mod utils;
mod viewer_connection;
mod watch_session;
use serde::Deserialize;
use crate::{
viewer_connection::ws_subscribe,
watch_session::{get_session, SubtitleTrack, WatchSession, SESSIONS},
};
#[derive(Deserialize)]
struct StartSessionBody {
video_url: String,
#[serde(default = "Vec::new")]
subtitle_tracks: Vec<SubtitleTrack>,
}
#[derive(Deserialize)]
struct SubscribeQuery {
nickname: String,
colour: String,
}
async fn get_emoji_list() -> Result<impl warb::Reply, warb::Rejection> {
use tokio_stream::{wrappers::ReadDirStream, StreamExt};
let dir = tokio::fs::read_dir("frontend/emojis")
.await
.expect("Couldn't read emojis directory!");
let files = ReadDirStream::new(dir)
.filter_map(|r| r.ok())
.map(|e| e.file_name().to_string_lossy().to_string())
.collect::<Vec<_>>()
.await;
Ok(warb::reply::json(&files))
}
#[tokio::main]
async fn main() {
let start_session_route = warb::path!("start_session")
.and(warb::path::end())
.and(warb::post())
.and(warb::body::json())
.map(|body: StartSessionBody| {
let mut sessions = SESSIONS.lock().unwrap();
let session_uuid = Uuid::new_v4();
let session = WatchSession::new(body.video_url, body.subtitle_tracks);
let session_view = session.view();
sessions.insert(session_uuid, session);
warb::reply::json(&json!({ "id": session_uuid.to_string(), "session": session_view }))
});
let get_emoji_route = warb::path!("emojos").and_then(get_emoji_list);
enum RequestedSession {
Session(Uuid, WatchSession),
Error(warb::reply::WithStatus<warb::reply::Json>),
}
let get_running_session = warb::path::path("sess")
.and(warb::path::param::<String>())
.map(|session_id: String| {
if let Ok(uuid) = Uuid::parse_str(&session_id) {
get_session(uuid)
.map(|sess| RequestedSession::Session(uuid, sess))
.unwrap_or_else(|| {
RequestedSession::Error(warb::reply::with_status(
warb::reply::json(&json!({ "error": "session does not exist" })),
StatusCode::NOT_FOUND,
))
})
} else {
RequestedSession::Error(warb::reply::with_status(
warb::reply::json(&json!({ "error": "invalid session UUID" })),
StatusCode::BAD_REQUEST,
))
}
});
let get_status_route = get_running_session
.and(warb::path::end())
.map(|requested_session| match requested_session {
RequestedSession::Session(_, sess) => {
warb::reply::with_status(warb::reply::json(&sess.view()), StatusCode::OK)
}
RequestedSession::Error(e) => e,
});
let ws_subscribe_route = get_running_session
.and(warb::path!("subscribe"))
.and(warb::query())
.and(warb::ws())
.map(
|requested_session, query: SubscribeQuery, ws: warb::ws::Ws| match requested_session {
RequestedSession::Session(uuid, _) => ws
.on_upgrade(move |ws| ws_subscribe(uuid, query.nickname, query.colour, ws))
.into_response(),
RequestedSession::Error(error_response) => error_response.into_response(),
},
);
let routes = start_session_route
.or(get_status_route)
.or(ws_subscribe_route)
.or(get_emoji_route)
.or(warb::path::end().and(warb::fs::file("frontend/index.html")))
.or(warb::fs::dir("frontend"));
let ip = std::env::var("IP")
.ok()
.and_then(|s| s.parse::<IpAddr>().ok())
.unwrap_or_else(|| [127, 0, 0, 1].into());
let port = std::env::var("PORT")
.ok()
.and_then(|s| s.parse::<u16>().ok())
.unwrap_or(3000);
println!("Listening at http://{}:{} ...", &ip, &port);
warb::serve(routes).run((ip, port)).await;
}
use serde_json::json;
use std::net::IpAddr;
use uuid::Uuid;
use warb::{hyper::StatusCode, Filter, Reply};
use warp as warb; // i think it's funny
mod events;
mod viewer_connection;
mod watch_session;
use serde::Deserialize;
use crate::{
events::{WatchEvent, WatchEventData},
viewer_connection::{ws_publish, ws_subscribe},
watch_session::{get_session, handle_watch_event_data, SubtitleTrack, WatchSession, SESSIONS},
};
#[derive(Deserialize)]
struct StartSessionBody {
video_url: String,
#[serde(default = "Vec::new")]
subtitle_tracks: Vec<SubtitleTrack>,
}
#[derive(Deserialize)]
struct SubscribeQuery {
nickname: String,
}
#[tokio::main]
async fn main() {
let start_session_route = warb::path!("start_session")
.and(warb::path::end())
.and(warb::post())
.and(warb::body::json())
.map(|body: StartSessionBody| {
let mut sessions = SESSIONS.lock().unwrap();
let session_uuid = Uuid::new_v4();
let session = WatchSession::new(body.video_url, body.subtitle_tracks);
let session_view = session.view();
sessions.insert(session_uuid, session);
warb::reply::json(&json!({ "id": session_uuid.to_string(), "session": session_view }))
});
enum RequestedSession {
Session(Uuid, WatchSession),
Error(warb::reply::WithStatus<warb::reply::Json>),
}
let get_running_session = warb::path::path("sess")
.and(warb::path::param::<String>())
.map(|session_id: String| {
if let Ok(uuid) = Uuid::parse_str(&session_id) {
get_session(uuid)
.map(|sess| RequestedSession::Session(uuid, sess))
.unwrap_or_else(|| {
RequestedSession::Error(warb::reply::with_status(
warb::reply::json(&json!({ "error": "session does not exist" })),
StatusCode::NOT_FOUND,
))
})
} else {
RequestedSession::Error(warb::reply::with_status(
warb::reply::json(&json!({ "error": "invalid session UUID" })),
StatusCode::BAD_REQUEST,
))
}
});
let get_status_route = get_running_session
.and(warb::path::end())
.map(|requested_session| match requested_session {
RequestedSession::Session(_, sess) => {
warb::reply::with_status(warb::reply::json(&sess.view()), StatusCode::OK)
}
RequestedSession::Error(e) => e,
});
let set_playing_route = get_running_session
.and(warb::path!("playing"))
.and(warb::put())
.and(warb::body::json())
.map(|requested_session, playing: bool| match requested_session {
RequestedSession::Session(uuid, mut sess) => {
let data = WatchEventData::SetPlaying {
playing,
time: sess.get_time_ms(),
};
handle_watch_event_data(uuid, &mut sess, data.clone());
tokio::spawn(ws_publish(
uuid,
None,
WatchEvent {
user: None,
data,
reflected: false,
},
));
warb::reply::with_status(warb::reply::json(&sess.view()), StatusCode::OK)
}
RequestedSession::Error(e) => e,
});
let set_timestamp_route = get_running_session
.and(warb::path!("current_time"))
.and(warb::put())
.and(warb::body::json())
.map(
|requested_session, current_time_ms: u64| match requested_session {
RequestedSession::Session(uuid, mut sess) => {
let data = WatchEventData::SetTime(current_time_ms);
handle_watch_event_data(uuid, &mut sess, data.clone());
tokio::spawn(ws_publish(
uuid,
None,
WatchEvent {
user: None,
data,
reflected: false,
},
));
warb::reply::with_status(warb::reply::json(&sess.view()), StatusCode::OK)
}
RequestedSession::Error(e) => e,
},
);
let ws_subscribe_route = get_running_session
.and(warb::path!("subscribe"))
.and(warb::query())
.and(warb::ws())
.map(
|requested_session, query: SubscribeQuery, ws: warb::ws::Ws| match requested_session {
RequestedSession::Session(uuid, _) => ws
.on_upgrade(move |ws| ws_subscribe(uuid, query.nickname, ws))
.into_response(),
RequestedSession::Error(error_response) => error_response.into_response(),
},
);
let routes = start_session_route
.or(get_status_route)
.or(set_playing_route)
.or(set_timestamp_route)
.or(ws_subscribe_route)
.or(warb::path::end().and(warb::fs::file("frontend/index.html")))
.or(warb::fs::dir("frontend"));
let ip = std::env::var("IP")
.ok()
.and_then(|s| s.parse::<IpAddr>().ok())
.unwrap_or_else(|| [127, 0, 0, 1].into());
let port = std::env::var("PORT")
.ok()
.and_then(|s| s.parse::<u16>().ok())
.unwrap_or(3000);
println!("Listening at http://{}:{} ...", &ip, &port);
warb::serve(routes).run((ip, port)).await;
}

6
src/utils.rs
View File

@ -1,6 +0,0 @@
pub fn truncate_str(s: &str, max_chars: usize) -> &str {
match s.char_indices().nth(max_chars) {
None => s,
Some((idx, _)) => &s[..idx],
}
}

269
src/viewer_connection.rs
View File

@ -1,156 +1,113 @@
use once_cell::sync::Lazy;
use std::{
collections::HashMap,
sync::atomic::{AtomicUsize, Ordering},
};
use futures::{SinkExt, StreamExt, TryFutureExt};
use tokio::sync::{
mpsc::{self, UnboundedSender},
RwLock,
};
use tokio_stream::wrappers::UnboundedReceiverStream;
use uuid::Uuid;
use warp::ws::{Message, WebSocket};
use crate::{
events::{Viewer, WatchEvent, WatchEventData},
utils::truncate_str,
watch_session::{get_session, handle_watch_event_data},
};
static CONNECTED_VIEWERS: Lazy<RwLock<HashMap<usize, ConnectedViewer>>> =
Lazy::new(|| RwLock::new(HashMap::new()));
static NEXT_VIEWER_ID: AtomicUsize = AtomicUsize::new(1);
pub struct ConnectedViewer {
pub session: Uuid,
pub viewer_id: usize,
pub tx: UnboundedSender<WatchEvent>,
pub nickname: Option<String>,
pub colour: Option<String>,
}
pub async fn ws_subscribe(session_uuid: Uuid, nickname: String, colour: String, ws: WebSocket) {
let viewer_id = NEXT_VIEWER_ID.fetch_add(1, Ordering::Relaxed);
let (mut viewer_ws_tx, mut viewer_ws_rx) = ws.split();
let (tx, rx) = mpsc::unbounded_channel::<WatchEvent>();
let mut rx = UnboundedReceiverStream::new(rx);
tokio::task::spawn(async move {
while let Some(event) = rx.next().await {
viewer_ws_tx
.send(Message::text(
serde_json::to_string(&event).expect("couldn't convert WatchEvent into JSON"),
))
.unwrap_or_else(|e| eprintln!("ws send error: {}", e))
.await;
}
});
let mut colour = colour;
if colour.len() != 6 || !colour.chars().all(|x| x.is_ascii_hexdigit()) {
colour = String::from("7ed0ff");
}
let nickname = truncate_str(&nickname, 50).to_string();
CONNECTED_VIEWERS.write().await.insert(
viewer_id,
ConnectedViewer {
viewer_id,
session: session_uuid,
tx,
nickname: Some(nickname.clone()),
colour: Some(colour.clone()),
},
);
ws_publish(
session_uuid,
None,
WatchEvent::new(nickname.clone(), colour.clone(), WatchEventData::UserJoin),
)
.await;
update_viewer_list(session_uuid).await;
while let Some(Ok(message)) = viewer_ws_rx.next().await {
let event: WatchEventData = match message
.to_str()
.ok()
.and_then(|s| serde_json::from_str(s).ok())
{
Some(e) => e,
None => continue,
};
let session = &mut get_session(session_uuid).unwrap();
// server side event modification where neccessary
let event: WatchEventData = match event {
WatchEventData::SetTime { from: _, to } => WatchEventData::SetTime {
from: Some(session.get_time_ms()),
to,
},
_ => event,
};
handle_watch_event_data(session_uuid, session, event.clone());
ws_publish(
session_uuid,
Some(viewer_id),
WatchEvent::new(nickname.clone(), colour.clone(), event),
)
.await;
}
ws_publish(
session_uuid,
None,
WatchEvent::new(nickname.clone(), colour.clone(), WatchEventData::UserLeave),
)
.await;
CONNECTED_VIEWERS.write().await.remove(&viewer_id);
update_viewer_list(session_uuid).await;
}
pub async fn ws_publish(session_uuid: Uuid, skip_viewer_id: Option<usize>, event: WatchEvent) {
for viewer in CONNECTED_VIEWERS.read().await.values() {
if viewer.session != session_uuid {
continue;
}
let _ = viewer.tx.send(WatchEvent {
reflected: skip_viewer_id == Some(viewer.viewer_id),
..event.clone()
});
}
}
async fn update_viewer_list(session_uuid: Uuid) {
let mut viewers = Vec::new();
for viewer in CONNECTED_VIEWERS.read().await.values() {
if viewer.session == session_uuid {
viewers.push(Viewer {
nickname: viewer.nickname.clone(),
colour: viewer.colour.clone(),
})
}
}
ws_publish(
session_uuid,
None,
WatchEvent::new(
String::from("server"),
String::from(""),
WatchEventData::UpdateViewerList(viewers),
),
)
.await;
}
use once_cell::sync::Lazy;
use std::{
collections::HashMap,
sync::atomic::{AtomicUsize, Ordering},
};
use futures::{SinkExt, StreamExt, TryFutureExt};
use tokio::sync::{
mpsc::{self, UnboundedSender},
RwLock,
};
use tokio_stream::wrappers::UnboundedReceiverStream;
use uuid::Uuid;
use warp::ws::{Message, WebSocket};
use crate::{
events::{WatchEvent, WatchEventData},
watch_session::{get_session, handle_watch_event_data},
};
static CONNECTED_VIEWERS: Lazy<RwLock<HashMap<usize, ConnectedViewer>>> =
Lazy::new(|| RwLock::new(HashMap::new()));
static NEXT_VIEWER_ID: AtomicUsize = AtomicUsize::new(1);
pub struct ConnectedViewer {
pub session: Uuid,
pub viewer_id: usize,
pub tx: UnboundedSender<WatchEvent>,
pub nickname: Option<String>,
}
pub async fn ws_subscribe(session_uuid: Uuid, nickname: String, ws: WebSocket) {
let viewer_id = NEXT_VIEWER_ID.fetch_add(1, Ordering::Relaxed);
let (mut viewer_ws_tx, mut viewer_ws_rx) = ws.split();
let (tx, rx) = mpsc::unbounded_channel::<WatchEvent>();
let mut rx = UnboundedReceiverStream::new(rx);
tokio::task::spawn(async move {
while let Some(event) = rx.next().await {
viewer_ws_tx
.send(Message::text(
serde_json::to_string(&event).expect("couldn't convert WatchEvent into JSON"),
))
.unwrap_or_else(|e| eprintln!("ws send error: {}", e))
.await;
}
});
CONNECTED_VIEWERS.write().await.insert(
viewer_id,
ConnectedViewer {
viewer_id,
session: session_uuid,
tx,
nickname: Some(nickname.clone()),
},
);
ws_publish(
session_uuid,
None,
WatchEvent::new(nickname.clone(), WatchEventData::UserJoin),
)
.await;
while let Some(Ok(message)) = viewer_ws_rx.next().await {
let event: WatchEventData = match message
.to_str()
.ok()
.and_then(|s| serde_json::from_str(s).ok())
{
Some(e) => e,
None => continue,
};
handle_watch_event_data(
session_uuid,
&mut get_session(session_uuid).unwrap(),
event.clone(),
);
ws_publish(
session_uuid,
Some(viewer_id),
WatchEvent::new(nickname.clone(), event),
)
.await;
}
ws_publish(
session_uuid,
None,
WatchEvent::new(nickname.clone(), WatchEventData::UserLeave),
)
.await;
CONNECTED_VIEWERS.write().await.remove(&viewer_id);
}
pub async fn ws_publish(session_uuid: Uuid, skip_viewer_id: Option<usize>, event: WatchEvent) {
for viewer in CONNECTED_VIEWERS.read().await.values() {
if viewer.session != session_uuid {
continue;
}
let _ = viewer.tx.send(WatchEvent {
reflected: skip_viewer_id == Some(viewer.viewer_id),
..event.clone()
});
}
}

192
src/watch_session.rs
View File

@ -1,96 +1,96 @@
use once_cell::sync::Lazy;
use serde::{Deserialize, Serialize};
use std::{collections::HashMap, sync::Mutex, time::Instant};
use uuid::Uuid;
use crate::events::WatchEventData;
#[derive(Serialize, Deserialize, Clone)]
pub struct SubtitleTrack {
pub url: String,
pub name: String,
}
#[derive(Clone)]
pub struct WatchSession {
pub video_url: String,
pub subtitle_tracks: Vec<SubtitleTrack>,
is_playing: bool,
playing_from_timestamp: u64,
playing_from_instant: Instant,
}
#[derive(Serialize)]
pub struct WatchSessionView {
pub video_url: String,
pub subtitle_tracks: Vec<SubtitleTrack>,
pub current_time_ms: u64,
pub is_playing: bool,
}
impl WatchSession {
pub fn new(video_url: String, subtitle_tracks: Vec<SubtitleTrack>) -> Self {
WatchSession {
video_url,
subtitle_tracks,
is_playing: false,
playing_from_timestamp: 0,
playing_from_instant: Instant::now(),
}
}
pub fn view(&self) -> WatchSessionView {
WatchSessionView {
video_url: self.video_url.clone(),
subtitle_tracks: self.subtitle_tracks.clone(),
current_time_ms: self.get_time_ms() as u64,
is_playing: self.is_playing,
}
}
pub fn get_time_ms(&self) -> u64 {
if !self.is_playing {
return self.playing_from_timestamp;
}
self.playing_from_timestamp + self.playing_from_instant.elapsed().as_millis() as u64
}
pub fn set_time_ms(&mut self, time_ms: u64) {
self.playing_from_timestamp = time_ms;
self.playing_from_instant = Instant::now();
}
pub fn set_playing(&mut self, playing: bool, time_ms: u64) {
self.set_time_ms(time_ms);
self.is_playing = playing;
}
}
pub static SESSIONS: Lazy<Mutex<HashMap<Uuid, WatchSession>>> =
Lazy::new(|| Mutex::new(HashMap::new()));
pub fn get_session(uuid: Uuid) -> Option<WatchSession> {
SESSIONS.lock().unwrap().get(&uuid).cloned()
}
pub fn handle_watch_event_data(
uuid: Uuid,
watch_session: &mut WatchSession,
event: WatchEventData,
) {
match event {
WatchEventData::SetPlaying { playing, time } => {
watch_session.set_playing(playing, time);
}
WatchEventData::SetTime { from: _, to } => {
watch_session.set_time_ms(to);
}
_ => {}
};
let _ = SESSIONS.lock().unwrap().insert(uuid, watch_session.clone());
}
use once_cell::sync::Lazy;
use serde::{Deserialize, Serialize};
use std::{collections::HashMap, sync::Mutex, time::Instant};
use uuid::Uuid;
use crate::events::WatchEventData;
#[derive(Serialize, Deserialize, Clone)]
pub struct SubtitleTrack {
pub url: String,
pub name: String,
}
#[derive(Clone)]
pub struct WatchSession {
pub video_url: String,
pub subtitle_tracks: Vec<SubtitleTrack>,
is_playing: bool,
playing_from_timestamp: u64,
playing_from_instant: Instant,
}
#[derive(Serialize)]
pub struct WatchSessionView {
pub video_url: String,
pub subtitle_tracks: Vec<SubtitleTrack>,
pub current_time_ms: u64,
pub is_playing: bool,
}
impl WatchSession {
pub fn new(video_url: String, subtitle_tracks: Vec<SubtitleTrack>) -> Self {
WatchSession {
video_url,
subtitle_tracks,
is_playing: false,
playing_from_timestamp: 0,
playing_from_instant: Instant::now(),
}
}
pub fn view(&self) -> WatchSessionView {
WatchSessionView {
video_url: self.video_url.clone(),
subtitle_tracks: self.subtitle_tracks.clone(),
current_time_ms: self.get_time_ms() as u64,
is_playing: self.is_playing,
}
}
pub fn get_time_ms(&self) -> u64 {
if !self.is_playing {
return self.playing_from_timestamp;
}
self.playing_from_timestamp + self.playing_from_instant.elapsed().as_millis() as u64
}
pub fn set_time_ms(&mut self, time_ms: u64) {
self.playing_from_timestamp = time_ms;
self.playing_from_instant = Instant::now();
}
pub fn set_playing(&mut self, playing: bool, time_ms: u64) {
self.set_time_ms(time_ms);
self.is_playing = playing;
}
}
pub static SESSIONS: Lazy<Mutex<HashMap<Uuid, WatchSession>>> =
Lazy::new(|| Mutex::new(HashMap::new()));
pub fn get_session(uuid: Uuid) -> Option<WatchSession> {
SESSIONS.lock().unwrap().get(&uuid).cloned()
}
pub fn handle_watch_event_data(
uuid: Uuid,
watch_session: &mut WatchSession,
event: WatchEventData,
) {
match event {
WatchEventData::SetPlaying { playing, time } => {
watch_session.set_playing(playing, time);
}
WatchEventData::SetTime(time) => {
watch_session.set_time_ms(time);
}
_ => {}
};
let _ = SESSIONS.lock().unwrap().insert(uuid, watch_session.clone());
}