Script to properly update Teams status using IdleDetector API

status_setter.js

// Leaving Teams open in a separate tab causes "away" status and stops updating messages after a while.
// This script uses Chrome's IdleDetector API to properly set the status and keep Teams active.

function waitForElm(selector) {
    return new Promise(resolve => {
        if (document.querySelector(selector)) {
            return resolve(document.querySelector(selector));
        }

        const observer = new MutationObserver(mutations => {
            if (document.querySelector(selector)) {
                resolve(document.querySelector(selector));
                observer.disconnect();
            }
        });

        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
    });
}

function statusIndex(status) {
    switch (status) {
        case "available":
            return 1
        case "busy":
            return 2
        case 'do_not_disturb':
            return 3
        case 'be_right_back':
            return 4
        case 'away':
            return 5
        case 'offline':
            return 6
    }
}

function setStatus(status) {
    let index = statusIndex(status)
    document.getElementsByClassName('user-information-button')[0].click()
    waitForElm('.profile-set-presence-button').then((elm) => {
        console.log('Presence button is ready');
        console.log(elm.textContent);

        waitForElm(`body > div.popover.minwidth-md.maxwidth-md.popover.app-default-menu.settings-presence-popover.am-fade.bottom > ul > li:nth-child(${index}) > button`).then((elm) => {
            console.log('Status button is ready')
            console.log(elm.textContent);
            elm.click()
        })
        elm.click()
    });
}

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let userState = "active";
async function loadScript() {
    const state = await IdleDetector.requestPermission();
    try {
        const controller = new AbortController();
        const signal = controller.signal;
        const idleDetector = new IdleDetector();

        idleDetector.addEventListener('change', () => {
            userState = idleDetector.userState;
            const screenState = idleDetector.screenState;
            console.log(`Idle change: ${userState}, ${screenState}.`);
        });

        await idleDetector.start({
            threshold: 60000,
            signal,
        });
        console.log('IdleDetector is active.');
    } catch (err) {
        // Deal with initialization errors like permission denied,  // running outside of top-level frame, etc.  console.error(err.name, err.message);
    }

    setInterval(() => {
        if (document.hasFocus()) {
            console.log('document is focused, skipping...')
            return
        }

        if (userState === 'active') {
            setStatus('available')
            console.log("status set");
        } else {
            console.log("didn't set status - user inactive");
        }
    }, 60000);


    xhook.before(function (request) {
        console.log(request.url)
        if (request.url.contains('https://presence.teams.microsoft.com/v1/me/reportmyactivity/')) {
            let body = JSON.parse(request.body)
            if(body.isActive === true && userState === 'active') {
                console.log("ReportActivity - Forced active state")
                body.isActive = true
                request.body = JSON.stringify(body)
            }
        }
    });
}

loadScript();