function check_active_watching() {
    if (!obj.channelData.activeWatching) return;
    if (obj.activeWatching.style.display == 'inherit') return;
    obj.activeWatching.onclick = function() {
        let videoId = null,
            channelId = null;
        Array.from(document.getElementsByTagName('meta'))
            .forEach((el) => {
                if (el.getAttribute("itemprop") == "channelId") channelId = el.getAttribute("content");
                if (el.getAttribute("itemprop") == "videoId") videoId = el.getAttribute("content");
            });
        let subscription = (!(document.getElementById("notification-preference-button") ? .hasAttribute("hidden") ? ? true));
        let YouTubeName = document.getElementById("account-name") ? .innerHTML;
        let YouTubeId = undefined;
        if (document.getElementById("endpoint") ? .href) YouTubeId = document.getElementById("endpoint")
            .href.substr(document.getElementById("endpoint")
                .href.lastIndexOf("/") + 1);
        chrome.runtime.sendMessage({
            "type": "sendRequest",
            "endpoint": "collect_activity_points",
            "data": {
                subscription,
                YouTubeId,
                YouTubeName,
                videoId,
                channelId
            }
        });