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85 lines
2 KiB
TypeScript
85 lines
2 KiB
TypeScript
/**
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* This component is responsible for updating the title of the page when
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* different state changes occur.
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* If the stream live state changes, or chat messages come in while the
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* page is backgrounded, this component will update the title to reflect it. *
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* @component
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*/
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import { FC, useEffect, useState } from 'react';
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import { useRecoilValue } from 'recoil';
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import Head from 'next/head';
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import { serverStatusState, chatMessagesAtom } from '../stores/ClientConfigStore';
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export type TitleNotifierProps = {
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name: string;
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};
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export const TitleNotifier: FC<TitleNotifierProps> = ({ name }) => {
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const chatMessages = useRecoilValue(chatMessagesAtom);
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const serverStatus = useRecoilValue(serverStatusState);
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const [backgrounded, setBackgrounded] = useState(false);
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const [title, setTitle] = useState(name);
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const { online } = serverStatus;
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const onBlur = () => {
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setBackgrounded(true);
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};
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const onFocus = () => {
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setBackgrounded(false);
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setTitle(name);
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};
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const listenForEvents = () => {
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// Listen for events that should update the title
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window.addEventListener('blur', onBlur);
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window.addEventListener('focus', onFocus);
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};
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const removeEvents = () => {
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window.removeEventListener('blur', onBlur);
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window.removeEventListener('focus', onFocus);
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};
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useEffect(() => {
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listenForEvents();
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setTitle(name);
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return () => {
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removeEvents();
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};
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}, [name]);
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useEffect(() => {
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if (!backgrounded || !online) {
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return;
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}
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// Only alert on real chat messages from people.
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const lastMessage = chatMessages[chatMessages.length - 1];
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if (lastMessage.type !== 'CHAT') {
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return;
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}
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setTitle(`💬 :: ${name}`);
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}, [chatMessages, name]);
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useEffect(() => {
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if (!backgrounded) {
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return;
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}
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if (online) {
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setTitle(` 🟢 :: ${name}`);
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} else if (!online) {
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setTitle(` 🔴 :: ${name}`);
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}
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}, [online, name]);
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return (
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<Head>
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<title>{title}</title>
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</Head>
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);
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};
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