forked from FreakU/watch-party
103 lines
3.1 KiB
JavaScript
103 lines
3.1 KiB
JavaScript
const setupChatboxEvents = (socket) => {
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// clear events by just reconstructing the form
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const oldChatForm = document.querySelector("#chatbox-send");
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const chatForm = oldChatForm.cloneNode(true);
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oldChatForm.replaceWith(chatForm);
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chatForm.addEventListener("submit", (e) => {
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e.preventDefault();
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const input = chatForm.querySelector("input");
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const content = input.value;
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if (content.trim().length) {
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input.value = "";
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socket.send(
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JSON.stringify({
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op: "ChatMessage",
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data: {
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message: content,
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},
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})
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);
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}
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});
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};
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const fixChatSize = () => {
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const video = document.querySelector("video");
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const chatbox = document.querySelector("#chatbox");
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const chatboxContainer = document.querySelector("#chatbox-container");
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if (video && chatbox && chatboxContainer) {
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const delta = chatboxContainer.clientHeight - chatbox.clientHeight;
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chatbox.style["height"] = `calc(${
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window.innerHeight - video.clientHeight
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}px - ${delta}px - 1em)`;
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}
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};
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/**
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* @param {WebSocket} socket
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*/
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export const setupChat = async (socket) => {
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document.querySelector("#chatbox-container").style["display"] = "block";
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setupChatboxEvents(socket);
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fixChatSize();
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window.addEventListener("resize", () => {
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fixChatSize();
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});
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};
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const printToChat = (elem) => {
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const chatbox = document.querySelector("#chatbox");
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chatbox.appendChild(elem);
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chatbox.scrollTop = chatbox.scrollHeight;
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};
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export const handleChatEvent = (event) => {
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switch (event.op) {
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case "UserJoin": {
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// print something to the chat
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const chatMessage = document.createElement("div");
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chatMessage.classList.add("chat-message");
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chatMessage.classList.add("user-join");
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const userName = document.createElement("strong");
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userName.textContent = event.data;
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chatMessage.appendChild(userName);
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chatMessage.appendChild(document.createTextNode(" joined"));
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printToChat(chatMessage);
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break;
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}
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case "UserLeave": {
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const chatMessage = document.createElement("div");
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chatMessage.classList.add("chat-message");
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chatMessage.classList.add("user-leave");
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const userName = document.createElement("strong");
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userName.textContent = event.data;
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chatMessage.appendChild(userName);
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chatMessage.appendChild(document.createTextNode(" left"));
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printToChat(chatMessage);
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break;
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}
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case "ChatMessage": {
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const chatMessage = document.createElement("div");
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chatMessage.classList.add("chat-message");
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const userName = document.createElement("strong");
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userName.innerText = event.data.user;
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chatMessage.appendChild(userName);
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chatMessage.appendChild(document.createTextNode(" "));
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const messageContent = document.createElement("span");
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messageContent.classList.add("message-content");
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messageContent.textContent = event.data.message;
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chatMessage.appendChild(messageContent);
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printToChat(chatMessage);
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break;
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}
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}
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};
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