Automatically turns off mic and camera, joins the call, admits new people, and sends notification on new chat messages on Google Meet

google-meet-enhancer.user.js

// ==UserScript==
// @name            Google Meet enhancer
// @description     Automatically turns off mic and camera, joins the call, admits new people, and sends notification on new chat messages
// @namespace       https://github.com/SergiusGit
// @homepageURL     https://github.com/SergiusGit
// @supportURL      https://gist.github.com/SergiusGit/6803baefa0cd83de5cfd1015d4107a41/
// @updateURL       https://gist.github.com/SergiusGit/6803baefa0cd83de5cfd1015d4107a41/raw/google-meet-enhancer.user.js
// @downloadURL     https://gist.github.com/SergiusGit/6803baefa0cd83de5cfd1015d4107a41/raw/google-meet-enhancer.user.js
// @match           https://meet.google.com/*
// @icon            https://static.wikia.nocookie.net/logopedia/images/5/56/GoogleMeet_2020.svg/revision/latest/scale-to-width-down/200
// @grant           none
// @version         1.0.5
// @author          Sergius
// @license         MIT
// @run-at          document-end
// ==/UserScript==

(() => {
    const autoMuteMicAndCam = true;
    const autoJoin = true;
    const autoAdmit = true;
    const sendChatNotifications = true;
    const turnSubsOn = true;

    function muteAll() {
        const loadInterval = setInterval(() => {
            const btns = document.querySelectorAll("[data-is-muted=false][role]");
            if (btns.length) {
                btns.forEach((btn) => btn.click());
                clearInterval(loadInterval);
            }
        }, 100);
    }

    function askToJoin() {
        const joinInterval = setInterval(() => {
            const progress = document.querySelector(".VfPpkd-JGcpL-P1ekSe-OWXEXe-A9y3zc");
            if (!progress) {
                const btn = document.querySelector(".VfPpkd-LgbsSe-OWXEXe-k8QpJ");
                if (btn) {
                    btn.click();
                    clearInterval(joinInterval);
                }
            }
        }, 100);
    }

    function admitAll() {
        setInterval(() => {
            const spans = document.getElementsByTagName("span");
            for (const span of spans) {
                if (span.innerText === "Admit" || span.innerText === "View all") {
                    span.click();
                }
            }
        }, 1000);
    }

    function askNotificationPermission() {
        if (!("Notification" in window)) {
            return;
        } else if (Notification.permission === "granted") {
            observeChat();
        } else if (Notification.permission !== "denied") {
            Notification.requestPermission().then((permission) => {
                if (permission === "granted") {
                    observeChat();
                }
            });
        }
    }

    function observeChat() {
        const intervalID = setInterval(() => {
            const chatIcon = document.querySelector("button[aria-label='Chat with everyone']");
            if (chatIcon) {
                clearInterval(intervalID);

                chatIcon.click();

                const chatWait = setInterval(() => {
                    const chat = document.querySelector(".z38b6");
                    if (chat) {
                        clearInterval(chatWait);

                        new MutationObserver((list) => {
                            const node = list[list.length - 1].addedNodes[0];
                            const msgSender =
                                node.getAttribute("data-sender-name") ||
                                node.parentNode.parentNode.getAttribute("data-sender-name");
                            const msgText = node.classList.contains("oIy2qc")
                                ? node.innerText
                                : node.childNodes[1].childNodes[
                                      node.childNodes[1].childNodes.length - 1
                                  ].innerText;
                            if (msgSender !== "You") {
                                new Notification(msgSender, {
                                    body: msgText,
                                    renotify: true,
                                    icon: "https://static.wikia.nocookie.net/logopedia/images/5/56/GoogleMeet_2020.svg/revision/latest/scale-to-width-down/200",
                                });
                            }
                        }).observe(chat, { childList: true, subtree: true });

                        setTimeout(() => {
                            chatIcon.click();
                        }, 500);
                    }
                }, 100);
            }
        }, 1000);
    }

    function turnSubtitlesOnOnJoin() {
        const intervalID = setInterval(() => {
            const subsIcon = document.querySelector("button[aria-label='Turn on captions (c)']");
            if (subsIcon) {
                clearInterval(intervalID);
                subsIcon.click();
            }
        }, 1000);
    }

    if (autoMuteMicAndCam) {
        muteAll();
    }

    if (autoJoin) {
        askToJoin();
    }

    if (autoAdmit) {
        admitAll();
    }

    if (sendChatNotifications) {
        askNotificationPermission();
    }

    if (turnSubsOn) {
        turnSubtitlesOnOnJoin();
    }
})();