add linkification and time and join chips

oh no aaaa
fix broken things
2022-03-09 18:38:22 -05:00 · 2022-03-08 15:35:12 -05:00 · 2022-03-08 15:34:55 -05:00 · 2022-03-08 15:33:14 -05:00 · 2022-02-18 20:24:29 +01:00 · 2022-02-18 14:22:01 -05:00
23 changed files with 1183 additions and 195 deletions
--- a/.gitignore
+++ b/.gitignore
@ -1 +1,2 @@
 /target
+/frontend/emojis/*
--- a/Cargo.toml
+++ b/Cargo.toml
@ -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 = "0.1.7"
+tokio-stream = { version = "0.1.7", features = ["fs"] }
 uuid = { version = "0.8.2", features = ["v4"] }
 warp = "0.3.1"
--- a/frontend/create.html
+++ b/frontend/create.html
@ -3,7 +3,7 @@
  <head>
    <meta charset="utf-8" />
    <title>watch party :D</title>
-    <link rel="stylesheet" href="/styles.css?v=5" />
+    <link rel="stylesheet" href="/styles.css?v=048af96" />
  </head>

  <body>
@ -39,14 +39,14 @@
          placeholder="English"
        />
        <button>Create</button>
-      </form>

        <p>
          Already have a session?
          <a href="/">Join your session</a> instead.
        </p>
+      </form>
    </div>

-    <script type="module" src="/create.mjs?v=5"></script>
+    <script type="module" src="/create.mjs?v=048af96"></script>
  </body>
 </html>
--- a/frontend/create.mjs
+++ b/frontend/create.mjs
@ -1,4 +1,4 @@
-import { setupCreateSessionForm } from "./lib/create-session.mjs?v=5";
+import { setupCreateSessionForm } from "./lib/create-session.mjs?v=048af96";

 const main = () => {
  setupCreateSessionForm();
--- a/frontend/emojis/blobcat.png
+++ b/frontend/emojis/blobcat.png
--- a/frontend/index.html
+++ b/frontend/index.html
@ -3,7 +3,7 @@
  <head>
    <meta charset="utf-8" />
    <title>watch party :D</title>
-    <link rel="stylesheet" href="/styles.css?v=5" />
+    <link rel="stylesheet" href="/styles.css?v=048af96" />
  </head>

  <body>
@ -26,9 +26,13 @@
          type="text"
          id="join-session-nickname"
          placeholder="Nickname"
+          maxlength="50"
          required
        />

+        <label for="join-session-colour">Colour:</label>
+        <input type="color" id="join-session-colour" value="#7ed0ff" required />
+
        <label for="join-session-id">Session ID:</label>
        <input
          type="text"
@ -37,21 +41,29 @@
          required
        />
        <button id="join-session-button">Join</button>
-      </form>

        <p>
-        No session to join? <a href="/create.html">Create a session</a> instead.
+          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..." />
+        <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=5"></script>
+    <script type="module" src="/main.mjs?v=048af96"></script>
  </body>
 </html>
--- a/frontend/lib/chat.mjs
+++ b/frontend/lib/chat.mjs
@ -1,17 +1,221 @@
+import {
+  setDebounce,
+  setVideoTime,
+  setPlaying,
+} from "./watch-session.mjs?v=048af96";
+import { emojify, findEmojis } from "./emojis.mjs?v=048af96";
+import { linkify } from "./links.mjs";
+
+function setCaretPosition(elem, caretPos) {
+  if (elem.createTextRange) {
+    var range = elem.createTextRange();
+    range.move("character", caretPos);
+    range.select();
+  } else {
+    if (elem.selectionStart) {
+      elem.focus();
+      elem.setSelectionRange(caretPos, caretPos);
+    } else elem.focus();
+  }
+}
+
 const setupChatboxEvents = (socket) => {
  // clear events by just reconstructing the form
  const oldChatForm = document.querySelector("#chatbox-send");
  const chatForm = oldChatForm.cloneNode(true);
+  const messageInput = chatForm.querySelector("input");
+  const emojiAutocomplete = chatForm.querySelector("#emoji-autocomplete");
  oldChatForm.replaceWith(chatForm);

-  chatForm.addEventListener("submit", (e) => {
+  let autocompleting = false,
+    showListTimer;
+
+  const replaceMessage = (message) => () => {
+    messageInput.value = message;
+    autocomplete();
+  };
+  async function autocomplete(fromListTimeout) {
+    if (autocompleting) return;
+    try {
+      clearInterval(showListTimer);
+      emojiAutocomplete.textContent = "";
+      autocompleting = true;
+      let text = messageInput.value.slice(0, messageInput.selectionStart);
+      const match = text.match(/(:[^\s:]+)?:([^\s:]*)$/);
+      if (!match || match[1]) return (autocompleting = false); // We don't need to autocomplete.
+      const prefix = text.slice(0, match.index);
+      const search = text.slice(match.index + 1);
+      if (search.length < 1 && !fromListTimeout) {
+        autocompleting = false;
+        showListTimer = setTimeout(() => autocomplete(true), 500);
+        return;
+      }
+      const suffix = messageInput.value.slice(messageInput.selectionStart);
+      let selected;
+      const select = (button) => {
+        if (selected) selected.classList.remove("selected");
+        selected = button;
+        button.classList.add("selected");
+      };
+      let results = await findEmojis(search);
+      let yieldAt = performance.now() + 13;
+      for (let i = 0; i < results.length; i += 100) {
+        emojiAutocomplete.append.apply(
+          emojiAutocomplete,
+          results.slice(i, i + 100).map(([name, replaceWith, ext], i) => {
+            const button = Object.assign(document.createElement("button"), {
+              className: "emoji-option",
+              onmousedown: (e) => e.preventDefault(),
+              onclick: () => {
+                messageInput.value = prefix + replaceWith + " " + suffix;
+                setCaretPosition(
+                  messageInput,
+                  (prefix + " " + replaceWith).length
+                );
+              },
+              onmouseover: () => select(button),
+              onfocus: () => select(button),
+              type: "button",
+              title: name,
+            });
+            button.append(
+              replaceWith[0] !== ":"
+                ? Object.assign(document.createElement("span"), {
+                    textContent: replaceWith,
+                    className: "emoji",
+                  })
+                : Object.assign(new Image(), {
+                    loading: "lazy",
+                    src: `/emojis/${name}${ext}`,
+                    className: "emoji",
+                  }),
+              Object.assign(document.createElement("span"), {
+                textContent: name,
+                className: "emoji-name",
+              })
+            );
+            return button;
+          })
+        );
+        if (i == 0 && emojiAutocomplete.children[0]) {
+          emojiAutocomplete.children[0].scrollIntoView();
+          select(emojiAutocomplete.children[0]);
+        }
+        const now = performance.now();
+        if (now > yieldAt) {
+          yieldAt = now + 13;
+          await new Promise((cb) => setTimeout(cb, 0));
+        }
+      }
+      autocompleting = false;
+    } catch (e) {
+      autocompleting = false;
+    }
+  }
+  messageInput.addEventListener("input", () => autocomplete());
+  messageInput.addEventListener("selectionchange", () => autocomplete());
+  messageInput.addEventListener("keydown", (event) => {
+    if (event.key == "ArrowUp" || event.key == "ArrowDown") {
+      let selected = document.querySelector(".emoji-option.selected");
+      if (!selected) return;
+      event.preventDefault();
+      selected.classList.remove("selected");
+      selected =
+        event.key == "ArrowDown"
+          ? selected.nextElementSibling || selected.parentElement.children[0]
+          : selected.previousElementSibling ||
+            selected.parentElement.children[
+              selected.parentElement.children.length - 1
+            ];
+      selected.classList.add("selected");
+      selected.scrollIntoView({ scrollMode: "if-needed", block: "nearest" });
+    }
+    if (event.key == "Tab") {
+      let selected = document.querySelector(".emoji-option.selected");
+      if (!selected) return;
+      event.preventDefault();
+      selected.onclick();
+    }
+  });
+
+  chatForm.addEventListener("submit", async (e) => {
    e.preventDefault();
-
-    const input = chatForm.querySelector("input");
-    const content = input.value;
+    const content = messageInput.value;
    if (content.trim().length) {
-      input.value = "";
+      messageInput.value = "";

+      // handle commands
+      if (content.startsWith("/")) {
+        const command = content.toLowerCase().match(/^\/\S+/)[0];
+        const args = content.slice(command.length).trim();
+
+        let handled = false;
+        switch (command) {
+          case "/ping":
+            socket.send(
+              JSON.stringify({
+                op: "Ping",
+                data: args,
+              })
+            );
+            handled = true;
+            break;
+          case "/sync":
+            const sessionId = window.location.hash.slice(1);
+            const { current_time_ms, is_playing } = await fetch(
+              `/sess/${sessionId}`
+            ).then((r) => r.json());
+
+            setDebounce();
+            setPlaying(is_playing);
+            setVideoTime(current_time_ms);
+
+            const syncMessageContent = document.createElement("span");
+            syncMessageContent.appendChild(
+              document.createTextNode("resynced you to ")
+            );
+            syncMessageContent.appendChild(
+              document.createTextNode(formatTime(current_time_ms))
+            );
+            printChatMessage("set-time", "/sync", "b57fdc", syncMessageContent);
+            handled = true;
+            break;
+          case "/shrug":
+            socket.send(
+              JSON.stringify({
+                op: "ChatMessage",
+                data: `${args} ¯\\_(ツ)_/¯`.trim(),
+              })
+            );
+            handled = true;
+            break;
+          case "/help":
+            const helpMessageContent = document.createElement("span");
+            helpMessageContent.innerHTML =
+              "Available commands:<br>" +
+              "&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";
+
+            printChatMessage(
+              "command-message",
+              "/help",
+              "b57fdc",
+              helpMessageContent
+            );
+            handled = true;
+            break;
+          default:
+            break;
+        }
+
+        if (handled) {
+          return;
+        }
+      }
+
+      // handle regular chat messages
      socket.send(
        JSON.stringify({
          op: "ChatMessage",
@ -22,31 +226,12 @@ const setupChatboxEvents = (socket) => {
  });
 };

-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";
+  document.querySelector("#chatbox-container").style["display"] = "flex";
  setupChatboxEvents(socket);
-
-  fixChatSize();
-  window.addEventListener("resize", () => {
-    fixChatSize();
-  });
 };

 const addToChat = (node) => {
@ -87,24 +272,41 @@ const checkDebounce = (event) => {
  return shouldIgnore;
 };

+/**
+ * @returns {string}
+ */
+const getCurrentTimestamp = () => {
+  const t = new Date();
+  return `${matpad(t.getHours())}:${matpad(t.getMinutes())}:${matpad(
+    t.getSeconds()
+  )}`;
+};
+
+/**
+ * https://media.discordapp.net/attachments/834541919568527361/931678814751301632/66d2c68c48daa414c96951381665ec2e.png
+ */
+const matpad = (n) => {
+  return ("00" + n).slice(-2);
+};
+
 /**
 * @param {string} eventType
 * @param {string?} user
 * @param {Node?} content
 */
-const printChatMessage = (eventType, user, content) => {
+const printChatMessage = (eventType, user, colour, content) => {
  const chatMessage = document.createElement("div");
  chatMessage.classList.add("chat-message");
  chatMessage.classList.add(eventType);
+  chatMessage.title = getCurrentTimestamp();

  if (user != null) {
    const userName = document.createElement("strong");
-    userName.textContent = user;
+    userName.style = `--user-color: #${colour}`;
+    userName.textContent = user + " ";
    chatMessage.appendChild(userName);
  }

-  chatMessage.appendChild(document.createTextNode(" "));
-
  if (content != null) {
    chatMessage.appendChild(content);
  }
@ -123,7 +325,7 @@ const formatTime = (ms) => {
  }:${seconds < 10 ? "0" + seconds : seconds}`;
 };

-export const logEventToChat = (event) => {
+export const logEventToChat = async (event) => {
  if (checkDebounce(event)) {
    return;
  }
@ -133,6 +335,7 @@ export const logEventToChat = (event) => {
      printChatMessage(
        "user-join",
        event.user,
+        event.colour,
        document.createTextNode("joined")
      );
      break;
@ -141,6 +344,7 @@ export const logEventToChat = (event) => {
      printChatMessage(
        "user-leave",
        event.user,
+        event.colour,
        document.createTextNode("left")
      );
      break;
@ -148,19 +352,36 @@ export const logEventToChat = (event) => {
    case "ChatMessage": {
      const messageContent = document.createElement("span");
      messageContent.classList.add("message-content");
-      messageContent.textContent = event.data;
-      printChatMessage("chat-message", event.user, messageContent);
+      messageContent.append(...(await linkify(event.data, emojify)));
+      printChatMessage(
+        "chat-message",
+        event.user,
+        event.colour,
+        messageContent
+      );
      break;
    }
    case "SetTime": {
      const messageContent = document.createElement("span");
-      messageContent.appendChild(document.createTextNode("set the time to "));
-
+      if (event.data.from != undefined) {
        messageContent.appendChild(
-        document.createTextNode(formatTime(event.data))
+          document.createTextNode("set the time from ")
        );

-      printChatMessage("set-time", event.user, messageContent);
+        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": {
@ -175,9 +396,54 @@ export const logEventToChat = (event) => {
        document.createTextNode(formatTime(event.data.time))
      );

-      printChatMessage("set-playing", event.user, messageContent);
+      printChatMessage("set-playing", event.user, event.colour, messageContent);
+      break;
+    }
+    case "Ping": {
+      const messageContent = document.createElement("span");
+      if (event.data) {
+        messageContent.appendChild(document.createTextNode("pinged saying: "));
+        messageContent.appendChild(document.createTextNode(event.data));
+      } else {
+        messageContent.appendChild(document.createTextNode("pinged"));
+      }

+      printChatMessage("ping", event.user, event.colour, messageContent);
+      beep();
      break;
    }
  }
 };
+
+const beep = () => {
+  const context = new AudioContext();
+
+  const gain = context.createGain();
+  gain.connect(context.destination);
+  gain.gain.value = 0.1;
+
+  const oscillator = context.createOscillator();
+  oscillator.connect(gain);
+  oscillator.frequency.value = 520;
+  oscillator.type = "square";
+
+  oscillator.start(context.currentTime);
+  oscillator.stop(context.currentTime + 0.22);
+};
+
+export const updateViewerList = (viewers) => {
+  const listContainer = document.querySelector("#viewer-list");
+
+  // empty out the current list
+  listContainer.innerHTML = "";
+
+  // display the updated list
+  for (const viewer of viewers) {
+    const viewerElem = document.createElement("div");
+    const content = document.createElement("strong");
+    content.textContent = viewer.nickname;
+    content.style = `--user-color: #${viewer.colour}`;
+    viewerElem.appendChild(content);
+    listContainer.appendChild(viewerElem);
+  }
+};
--- a/frontend/lib/create-session.mjs
+++ b/frontend/lib/create-session.mjs
@ -1,4 +1,4 @@
-import { createSession } from "./watch-session.mjs?v=5";
+import { createSession } from "./watch-session.mjs?v=048af96";

 export const setupCreateSessionForm = () => {
  const form = document.querySelector("#create-session-form");
--- a/frontend/lib/emojis.mjs
+++ b/frontend/lib/emojis.mjs
@ -0,0 +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")
+    .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]];
+}
--- a/frontend/lib/join-session.mjs
+++ b/frontend/lib/join-session.mjs
@ -1,4 +1,4 @@
-import { joinSession } from "./watch-session.mjs?v=5";
+import { joinSession } from "./watch-session.mjs?v=048af96";

 /**
 * @param {HTMLInputElement} field
@ -23,6 +23,31 @@ const saveNickname = (field) => {
  }
 };

+/**
+ * @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") {
@ -36,21 +61,33 @@ export const setupJoinSessionForm = () => {

  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", (event) => {
+  form.addEventListener("submit", async (event) => {
    event.preventDefault();

    button.disabled = true;

    saveNickname(nickname);
-    joinSession(nickname.value, sessionId.value);
+    saveColour(colour);
+    try {
+      await joinSession(
+        nickname.value,
+        sessionId.value,
+        colour.value.replace(/^#/, "")
+      );
+    } catch (e) {
+      alert(e.message);
+      button.disabled = false;
+    }
  });
 };
--- a/frontend/lib/links.mjs
+++ b/frontend/lib/links.mjs
@ -0,0 +1,115 @@
+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"), {
+                href: url.href,
+                textContent: "Join Session",
+                className: "chip join-chip",
+              })
+            );
+          } 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]];
+}
--- a/frontend/lib/reconnecting-web-socket.mjs
+++ b/frontend/lib/reconnecting-web-socket.mjs
@ -0,0 +1,65 @@
+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._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._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);
+    }
+  }
+  addEventListener(...a) {
+    return this._eventTarget.addEventListener(...a);
+  }
+  removeEventListener(...a) {
+    return this._eventTarget.removeEventListener(...a);
+  }
+}
--- a/frontend/lib/video.mjs
+++ b/frontend/lib/video.mjs
@ -1,3 +1,51 @@
+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
@ -6,29 +54,46 @@ const createVideoElement = (videoUrl, subtitles) => {
  const video = document.createElement("video");
  video.controls = true;
  video.autoplay = false;
-  video.volume = 0.5;
+  video.volume = loadVolume();
  video.crossOrigin = "anonymous";

+  video.addEventListener("volumechange", async () => {
+    saveVolume(video.volume);
+  });
+
  const source = document.createElement("source");
  source.src = videoUrl;

  video.appendChild(source);

-  let first = true;
+  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 (first) {
+    if (id == storedTrack) {
      track.default = true;
-      first = false;
    }

    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) => {
@ -44,18 +109,16 @@ const createVideoElement = (videoUrl, subtitles) => {
          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", () => { });
+          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;
      }
@ -75,7 +138,9 @@ const createVideoElement = (videoUrl, subtitles) => {
 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);
+  const videoContainer = document.querySelector("#video-container");
+  videoContainer.style.display = "block";
+  videoContainer.appendChild(video);

  video.currentTime = currentTime / 1000.0;

--- a/frontend/lib/watch-session.mjs
+++ b/frontend/lib/watch-session.mjs
@ -1,19 +1,25 @@
-import { setupVideo } from "./video.mjs?v=5";
-import { setupChat, logEventToChat } from "./chat.mjs?v=5";
+import { setupVideo } from "./video.mjs?v=048af96";
+import {
+  setupChat,
+  logEventToChat,
+  updateViewerList,
+} from "./chat.mjs?v=048af96";
+import ReconnectingWebSocket from "./reconnecting-web-socket.mjs";

 /**
 * @param {string} sessionId
 * @param {string} nickname
- * @returns {WebSocket}
+ * @returns {ReconnectingWebSocket}
 */
-const createWebSocket = (sessionId, nickname) => {
+const createWebSocket = (sessionId, nickname, colour) => {
  const wsUrl = new URL(
    `/sess/${sessionId}/subscribe` +
-      `?nickname=${encodeURIComponent(nickname)}`,
+      `?nickname=${encodeURIComponent(nickname)}` +
+      `&colour=${encodeURIComponent(colour)}`,
    window.location.href
  );
-  wsUrl.protocol = { "http:": "ws:", "https:": "wss:" }[wsUrl.protocol];
-  const socket = new WebSocket(wsUrl.toString());
+  wsUrl.protocol = "ws" + window.location.protocol.slice(4);
+  const socket = new ReconnectingWebSocket(wsUrl);

  return socket;
 };
@ -21,7 +27,7 @@ const createWebSocket = (sessionId, nickname) => {
 let outgoingDebounce = false;
 let outgoingDebounceCallbackId = null;

-const setDebounce = () => {
+export const setDebounce = () => {
  outgoingDebounce = true;

  if (outgoingDebounceCallbackId) {
@ -34,23 +40,37 @@ const setDebounce = () => {
  }, 500);
 };

-/**
- * @param {HTMLVideoElement} video
- * @param {WebSocket} socket
- */
-const setupIncomingEvents = (video, socket) => {
-  const setVideoTime = (time) => {
-    const timeSecs = time / 1000.0;
+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":
@ -62,12 +82,14 @@ const setupIncomingEvents = (video, socket) => {
              video.pause();
            }

-            setVideoTime(event.data.time);
-
+            setVideoTime(event.data.time, video);
            break;
          case "SetTime":
            setDebounce();
-            setVideoTime(event.data);
+            setVideoTime(event.data, video);
+            break;
+          case "UpdateViewerList":
+            updateViewerList(event.data);
            break;
        }
      }
@ -79,14 +101,13 @@ const setupIncomingEvents = (video, socket) => {

 /**
 * @param {HTMLVideoElement} video
- * @param {WebSocket} socket
+ * @param {ReconnectingWebSocket} socket
 */
 const setupOutgoingEvents = (video, socket) => {
  const currentVideoTime = () => (video.currentTime * 1000) | 0;

  video.addEventListener("pause", async (event) => {
    if (outgoingDebounce || !video.controls) {
-      event.preventDefault();
      return;
    }

@ -108,7 +129,6 @@ const setupOutgoingEvents = (video, socket) => {

  video.addEventListener("play", (event) => {
    if (outgoingDebounce || !video.controls) {
-      event.preventDefault();
      return;
    }

@ -132,14 +152,15 @@ const setupOutgoingEvents = (video, socket) => {
    }

    if (outgoingDebounce || !video.controls) {
-      event.preventDefault();
      return;
    }

    socket.send(
      JSON.stringify({
        op: "SetTime",
-        data: currentVideoTime(),
+        data: {
+          to: currentVideoTime(),
+        },
      })
    );
  });
@ -149,14 +170,39 @@ const setupOutgoingEvents = (video, socket) => {
 * @param {string} nickname
 * @param {string} sessionId
 */
-export const joinSession = async (nickname, sessionId) => {
-  try {
+export const joinSession = async (nickname, sessionId, colour) => {
+  // try { // we are handling errors in the join form.
+  const genericConnectionError = new Error(
+    "There was an issue getting the session information."
+  );
  window.location.hash = sessionId;
+  let response, video_url, subtitle_tracks, current_time_ms, is_playing;
+  try {
+    response = await fetch(`/sess/${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;
+  }

-    const { video_url, subtitle_tracks, current_time_ms, is_playing } =
-      await fetch(`/sess/${sessionId}`).then((r) => r.json());
-
-    const socket = createWebSocket(sessionId, nickname);
+  const socket = createWebSocket(sessionId, nickname, colour);
  socket.addEventListener("open", async () => {
    const video = await setupVideo(
      video_url,
@ -176,11 +222,15 @@ export const joinSession = async (nickname, sessionId) => {
    setupIncomingEvents(video, socket);
    setupChat(socket);
  });
-    // TODO: Close listener ?
-  } catch (err) {
-    // TODO: Show an error on the screen
-    console.error(err);
-  }
+  socket.addEventListener("reconnecting", (e) => {
+    console.log("Reconnecting...");
+  });
+  socket.addEventListener("reconnected", (e) => {
+    console.log("Reconnected.");
+  });
+  //} catch (e) {
+  //  alert(e.message)
+  //}
 };

 /**
--- a/frontend/main.mjs
+++ b/frontend/main.mjs
@ -1,4 +1,4 @@
-import { setupJoinSessionForm } from "./lib/join-session.mjs?v=5";
+import { setupJoinSessionForm } from "./lib/join-session.mjs?v=048af96";

 const main = () => {
  setupJoinSessionForm();
--- a/frontend/styles.css
+++ b/frontend/styles.css
@ -1,7 +1,30 @@
+*,
+*:before,
+*:after {
+  box-sizing: border-box;
+}
+
 :root {
-  --bg: rgb(28, 23, 36);
-  --fg: rgb(234, 234, 248);
-  --accent: hsl(275, 57%, 68%);
+  --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);
 }

 html {
@ -9,44 +32,85 @@ html {
  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;
+  padding: 0;
+  overflow: hidden;
+  overscroll-behavior: none;
+  width: 100%;
+  height: 100%;
+}
+
+body {
+  display: flex;
+  flex-direction: column;
 }

 video {
  display: block;
+  width: 100%;
+  height: 100%;
+  object-fit: contain;
+}

-  width: 100vw;
-  height: auto;
-
-  max-width: auto;
-  max-height: 100vh;
+#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"] {
-  box-sizing: border-box;
-
  background: #fff;
  background-clip: padding-box;
  border: 1px solid rgba(0, 0, 0, 0.12);
@ -60,8 +124,7 @@ input[type="text"] {

  font-family: sans-serif;
  font-size: 1em;
-  width: 500px;
-  max-width: 100%;
+  width: 100%;

  resize: none;
  overflow-x: wrap;
@ -82,12 +145,19 @@ button {

  font-family: sans-serif;
  font-size: 1em;
-  width: 500px;
-  max-width: 100%;
+  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 {
@ -108,20 +178,30 @@ button.small-button {

 #pre-join-controls,
 #create-controls {
-  width: 60%;
-  margin: 0 auto;
-  margin-top: 4em;
+  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 {
-  margin-bottom: 4em;
+  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: 500px;
-  max-width: 100%;
+  width: 100%;
  font-size: 0.85em;
 }

@ -131,14 +211,17 @@ button.small-button {

 .chat-message {
  overflow-wrap: break-word;
+  margin-bottom: 0.125rem;
 }

-.chat-message > strong {
-  color: rgb(126, 208, 255);
+.chat-message > strong,
+#viewer-list strong {
+  color: var(--user-color, var(--default-user-color));
 }

 .chat-message.user-join,
-.chat-message.user-leave {
+.chat-message.user-leave,
+.chat-message.ping {
  font-style: italic;
 }

@ -149,24 +232,53 @@ button.small-button {
  font-size: 0.85em;
 }

+.chat-message.command-message {
+  font-size: 0.85em;
+}
+
 .chat-message.set-time > strong,
 .chat-message.set-playing > strong {
-  color: unset;
+  color: unset !important;
+}
+
+.emoji {
+  width: 2ch;
+  height: 2ch;
+  object-fit: contain;
+  margin-bottom: -0.35ch;
 }

 #chatbox {
-  padding: 0.5em 2em;
-  min-height: 8em;
+  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: #222;
+  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 2em;
+  padding: 0 1em;
  padding-bottom: 0.5em;
+  position: relative;
 }

 #chatbox-send > input {
@ -174,27 +286,101 @@ button.small-button {
  width: 100%;
 }

-@media (min-aspect-ratio: 4/3) {
-  #video-container video {
-    width: calc(100vw - 400px);
+#emoji-autocomplete {
  position: absolute;
-    height: 100vh;
-    background-color: black;
-  }
+  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);
+}

-  #video-container {
-    float: left;
-    height: 100vh;
-    position: relative;
+#emoji-autocomplete:empty {
+  display: none;
+}
+
+.emoji-option {
+  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,
+input[type="color"]::-webkit-color-swatch,
+input[type="color"]::-webkit-color-swatch-wrapper {
+  /* This *should* be working in Chrome, but it doesn't for reasons that are beyond me. */
+  border: none;
+  margin: 0;
+  padding: 0;
+}
+
+@media (min-aspect-ratio: 4/3) {
+  body {
+    flex-direction: row;
  }

  #chatbox-container {
-    float: right;
-    width: 400px;
    height: 100vh !important;
+    flex-grow: 0;
+  }
+
+  #video-container {
+    flex-grow: 1;
  }

  #chatbox {
-    height: calc(100vh - 5em) !important;
+    height: calc(100vh - 5em - 4em) !important;
  }
 }
--- a/scripts/get_emojis.sh
+++ b/scripts/get_emojis.sh
@ -0,0 +1,23 @@
+#!/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 + $ext + "'"'"'") | join("\n")' | sh
--- a/scripts/get_unicode_emojis.sh
+++ b/scripts/get_unicode_emojis.sh
@ -0,0 +1,6 @@
+#!/bin/sh
+
+# Get emoji folder
+emojiFolder="$(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"
--- a/src/events.rs
+++ b/src/events.rs
@ -1,20 +1,39 @@
 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(u64),
+    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)]
@ -22,9 +41,10 @@ pub struct WatchEvent {
 }

 impl WatchEvent {
-    pub fn new(user: String, data: WatchEventData) -> Self {
+    pub fn new(user: String, colour: String, data: WatchEventData) -> Self {
        WatchEvent {
            user: Some(user),
+            colour: Some(colour),
            data,
            reflected: false,
        }
--- a/src/main.rs
+++ b/src/main.rs
@ -6,6 +6,7 @@ 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;

@ -26,6 +27,23 @@ struct StartSessionBody {
 #[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]
@ -44,6 +62,8 @@ async fn main() {
            warb::reply::json(&json!({ "id": session_uuid.to_string(), "session": session_view }))
        });

+    let get_emoji_route = warb::path!("emojis").and_then(get_emoji_list);
+
    enum RequestedSession {
        Session(Uuid, WatchSession),
        Error(warb::reply::WithStatus<warb::reply::Json>),
@ -85,7 +105,7 @@ async fn main() {
        .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))
+                    .on_upgrade(move |ws| ws_subscribe(uuid, query.nickname, query.colour, ws))
                    .into_response(),
                RequestedSession::Error(error_response) => error_response.into_response(),
            },
@ -94,6 +114,7 @@ async fn main() {
    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"));

--- a/src/utils.rs
+++ b/src/utils.rs
@ -0,0 +1,6 @@
+pub fn truncate_str(s: &str, max_chars: usize) -> &str {
+    match s.char_indices().nth(max_chars) {
+        None => s,
+        Some((idx, _)) => &s[..idx],
+    }
+}
--- a/src/viewer_connection.rs
+++ b/src/viewer_connection.rs
@ -15,7 +15,8 @@ use uuid::Uuid;
 use warp::ws::{Message, WebSocket};

 use crate::{
-    events::{WatchEvent, WatchEventData},
+    events::{Viewer, WatchEvent, WatchEventData},
+    utils::truncate_str,
    watch_session::{get_session, handle_watch_event_data},
 };

@ -28,9 +29,10 @@ pub struct ConnectedViewer {
    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, ws: WebSocket) {
+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();

@ -48,6 +50,12 @@ pub async fn ws_subscribe(session_uuid: Uuid, nickname: String, ws: WebSocket) {
        }
    });

+    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 {
@ -55,16 +63,19 @@ pub async fn ws_subscribe(session_uuid: Uuid, nickname: String, ws: WebSocket) {
            session: session_uuid,
            tx,
            nickname: Some(nickname.clone()),
+            colour: Some(colour.clone()),
        },
    );

    ws_publish(
        session_uuid,
        None,
-        WatchEvent::new(nickname.clone(), WatchEventData::UserJoin),
+        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()
@ -75,16 +86,23 @@ pub async fn ws_subscribe(session_uuid: Uuid, nickname: String, ws: WebSocket) {
            None => continue,
        };

-        handle_watch_event_data(
-            session_uuid,
-            &mut get_session(session_uuid).unwrap(),
-            event.clone(),
-        );
+        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(), event),
+            WatchEvent::new(nickname.clone(), colour.clone(), event),
        )
        .await;
    }
@ -92,11 +110,12 @@ pub async fn ws_subscribe(session_uuid: Uuid, nickname: String, ws: WebSocket) {
    ws_publish(
        session_uuid,
        None,
-        WatchEvent::new(nickname.clone(), WatchEventData::UserLeave),
+        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) {
@ -111,3 +130,27 @@ pub async fn ws_publish(session_uuid: Uuid, skip_viewer_id: Option<usize>, event
        });
    }
 }
+
+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;
+}
--- a/src/watch_session.rs
+++ b/src/watch_session.rs
@ -85,8 +85,8 @@ pub fn handle_watch_event_data(
            watch_session.set_playing(playing, time);
        }

-        WatchEventData::SetTime(time) => {
-            watch_session.set_time_ms(time);
+        WatchEventData::SetTime { from: _, to } => {
+            watch_session.set_time_ms(to);
        }

        _ => {}
Author	SHA1	Message	Date
easrng	2d544620ed	add linkification and time and join chips	2022-03-09 18:38:22 -05:00
easrng	60672a04ef	oh no aaaa	2022-03-08 15:35:12 -05:00
easrng	c8ccb7afc4	fix broken things	2022-03-08 15:34:55 -05:00
easrng	2adc8b9d02	fix emoji name overflow (again) and sorting	2022-03-08 15:33:14 -05:00
maia arson crimew	bc434bfaed	bustin it down cache style	2022-02-18 20:24:29 +01:00
easrng	048af96a19	Merge branch 'main' of lavender.software:lavender/watch-party	2022-02-18 14:22:01 -05:00
easrng	ae87f2abe0	actually fix perf	2022-02-18 14:21:54 -05:00
easrng	98e1393441	tweak append stuff	2022-02-18 14:11:54 -05:00
easrng	7b1defe010	yield between appending 100 item chunks	2022-02-18 14:04:55 -05:00
maia arson crimew	d1d030ede6	update cache busting tag	2022-02-18 19:50:38 +01:00
easrng	a6a856c6a5	faster emoji search (kinda)	2022-02-18 13:39:53 -05:00
easrng	d8d22ed99e	fix emoji overflow	2022-02-18 12:31:34 -05:00
easrng	d1e4acf6e8	oh good i didn't break things	2022-02-18 12:23:32 -05:00
easrng	b0df07b064	i think i did something weird with git	2022-02-18 12:20:08 -05:00
maia arson crimew	2c992d49f0	add /shrug command	2022-02-18 15:19:28 +01:00
Charlotte Som	eae224e3d5	Make the chat box thinner	2022-02-17 22:41:05 +00:00
Charlotte Som	1655484d89	Update cache busting tag	2022-02-17 06:25:54 +00:00
Charlotte Som	19ef7911ae	Make the chatbox take up more space in the vertical layout	2022-02-17 06:24:52 +00:00
Charlotte Som	ed953facb3	Don't setActionHandler with skipad Chrome does not support the 'skipad' action, and it's not like we're really doing anything on a media event for that anyways, so we're just removing it here.	2022-02-17 06:17:16 +00:00
easrng	b3d2e7c568	smol fixes (fix unsupported ZWJ emojis and italic text cutoff)	2022-02-16 10:51:59 -05:00
easrng	74f5ef76fd	fix emojis (i broke them)	2022-02-16 10:48:34 -05:00
easrng	65212087e3	add unicode emoji autocomplete	2022-02-16 10:30:47 -05:00
easrng	c7efd725b3	tweak colors	2022-02-16 08:48:25 -05:00
easrng	a5e04340dd	don't add emoji on rightclick	2022-02-16 08:22:11 -05:00
Charlotte Som	35329a9fbd	Style tweaks: Chatbox contrast ratio, chatbox width This makes reading the chat a little more comfortable	2022-02-16 06:09:56 +00:00
Charlotte Som	ba24dbd0f7	Eliminate top-margin for nicer centering	2022-02-16 05:59:10 +00:00
Charlotte Som	941949906d	Update cache busting tag (again)	2022-02-16 05:56:55 +00:00
Charlotte Som	1e57e6a615	Shrink chatbox horizontal padding This was designed for the vertical layout	2022-02-16 05:55:53 +00:00
Charlotte Som	fba47e5943	Update cache-busting tag	2022-02-16 05:53:54 +00:00
easrng	e9a1b762e7	only emojify actual emojis	2022-02-15 19:42:16 -05:00
easrng	e6699e05dd	ui and emoji changes	2022-02-15 19:30:22 -05:00
easrng	362c990d22	Merge branch 'main' of https://git.lavender.software/charlotte/watch-party	2022-02-15 18:25:11 -05:00
Charlotte Som	24f5560d8d	Fix clippy warnings & run cargo fmt	2022-02-15 23:22:24 +00:00
Charlotte Som	1f78f03b68	Add an emoji list endpoint	2022-02-15 23:15:06 +00:00
easrng	558617f644	lotsa frontend changes	2022-02-15 17:19:48 -05:00
easrng	1e73e0df72	CSS updates (flexbox and theming) and emoji autocomplete	2022-02-14 15:58:59 -05:00
easrng	c0d02a9990	add emoji downloader script	2022-02-14 19:50:24 +01:00
easrng	6d57cbc4a1	add downloader script	2022-02-14 13:47:05 -05:00
easrng	0ce6b32a12	Squash: Emojis! * Emojis! * fix bug * no more discord * maia: proper cache bustin	2022-02-14 18:58:46 +01:00
maia arson crimew	c9330bdb5c	remember selected captions track between sessions	2022-02-14 18:05:20 +01:00
maia arson crimew	af35f9a5cb	remember volume between sessions	2022-02-14 17:34:56 +01:00
maia arson crimew	ef50f2c4d9	add /sync command this command resyncs you with the watch party also added: /help command	2022-02-14 15:30:42 +01:00
maia arson crimew	af4b23e879	handle chat commands better in preparation for other commands such as for resyncing	2022-02-13 19:35:52 +01:00
maia arson crimew	72c212a100	implement a viewer list	2022-02-13 18:23:20 +01:00
maia arson crimew	951007df2a	show where a user seeked from	2022-02-13 18:01:01 +01:00
maia arson crimew	852270c63f	add /ping feature this is useful for ready checks	2022-02-13 17:32:28 +01:00
maia arson crimew	1944b2824c	add color picker for username color TODO: style properly	2022-01-18 13:06:57 +01:00
maia arson crimew	244145696c	Limit nickname length to 50 unicode codepoints	2022-01-18 12:55:44 +01:00
maia arson crimew	152d51f4fc	allow users to pick their username colour	2022-01-18 12:42:55 +01:00
maia arson crimew	727e72d89f	Merge pull request 'add message timestamp on title' (#7 ) from annie/watch-party:timestamps into main Reviewed-on: charlotte/watch-party#7	2022-01-15 23:06:24 +00:00
annieversary	a91a0665cb	add message timestamp on title and also change cache busting thing on so many files wtf	2022-01-15 23:03:50 +00:00
Charlotte Som	20fecd6891	Focus the chat whenever a button is pressed anywhere	2021-12-24 00:42:17 +00:00