yt marked watched

mark_watched.js

// ==UserScript==
// @name           Marked watched videos
// @namespace      deKexx
// @description    Mark watched videos on Youtube
// @include        http://www.youtube.com/watch*
// @include        https://www.youtube.com/watch*
// @connect        popo.local
// @author         Jan Zeiseweis
// @version        0.1
// @grant          GM_xmlhttpRequest
// @require        https://code.jquery.com/jquery-2.1.4.min.js
// @require        https://gist.githubusercontent.com/raw/2625891/waitForKeyElements.js
// ==/UserScript==

(function() {
    'use strict';

    var seen_videos = [];

    function getPlayingVideoId() {
        return ytplayer.config.args.video_id;
    }

    function viewing(video_id) {
        console.log(video_id);
        // Locally save history to avoid unnecessary requests.
        if (seen_videos.indexOf(video_id) === -1) {
            seen_videos.push(video_id);
        }

        var requestDetails = {
            method: "GET",
            url: "http://popo.local:5000/viewing/" + video_id,
            onload: function(response) {
                console.log(response.responseText);
            }
        }
        GM_xmlhttpRequest(requestDetails);

    };

    viewing(getPlayingVideoId());

    function getThumbnailVideoIds() {
        var thumbnails = document.getElementsByTagName('ytd-thumbnail');
        if (thumbnails.length > 19) {
            console.log(thumbnails.length);
            for (var i = 0; i < thumbnails.length; i++) {
                var thumbnail = thumbnails[i];
                var href = thumbnail.getElementsByTagName('a')[0].href;
                var video_id = href.split('=')[1];
                console.log(video_id);
            }
        }
    }



    var mutationObserver = new MutationObserver(function(mutations) {
        mutations.forEach(function(mutation) {
    	    if (mutation.target.id === 'items') {
	    	    console.log(mutation);
            }
        });
    });
    waitForKeyElements('#related', function() {
           mutationObserver.observe(document.getElementById('related'), {
        attributes: false,
        characterData: false,
        childList: true,
        subtree: true,
        attributeOldValue: false,
        characterDataOldValue: false
    });
    });

})();