Userscripts

youtube_adv.user.js

// ==UserScript==
// @name         Remove YouTube advertising
// @version      0.1
// @description  try to take over the world!
// @author       You
// @include      https://*.youtube.com/*
// @include      https://youtube.com/*
// @include      http://*.youtube.com/*
// @include      http://youtube.com/*
// @grant        unsafeWindow
// ==/UserScript==
/* jshint -W097 */
'use strict';

var ads = [
    'supported_without_ads',
    'ad3_module',
    'adsense_video_doc_id',
    'allowed_ads',
    'baseUrl',
    'cafe_experiment_id',
    'afv_inslate_ad_tag',
    'advideo',
    'ad_device',
    'ad_channel_code_instream',
    'ad_channel_code_overlay',
    'ad_eurl',
    'ad_flags',
    'ad_host',
    'ad_host_tier',
    'ad_logging_flag',
    'ad_preroll',
    'ad_slots',
    'ad_tag',
    'ad_video_pub_id',
    'aftv',
    'afv',
    'afv_ad_tag',
    'afv_instream_max',
    'afv_ad_tag_restricted_to_instream',
    'afv_video_min_cpm',
    'prefetch_ad_live_stream'
];

// unwraps the element so we can use its methods freely
function unwrap(elem) {
    if (elem) {
        if ( typeof XPCNativeWrapper === 'function' && typeof XPCNativeWrapper.unwrap === 'function' ) {
            return XPCNativeWrapper.unwrap(elem);
        } else if (elem.wrappedJSObject) {
            return elem.wrappedJSObject;
        }
    }

    return elem;
}

function setPref(str, values) {
    var i, value, rQuery;

    for (i = 0; value = values[i]; i += 1) {
        // (several lines for readability)
        rQuery = new RegExp('[?&]?' + value[0] + '=[^&]*');
        str = str.replace(rQuery, '') + '&' + value[0] + '=' + value[1];
        str = str.replace(/^&+|&+$/g, '');
    }

    return str;
}

function getPlayer() {
    var doc = uw.document;
    return doc.getElementById('c4-player') || doc.getElementById('movie_player');
}

var buildClassAttrHandler = function(handler) {
    return function attrModifierHandler(mutations) {
        mutations.forEach(function(mutation) {
            if (mutation.attributeName === 'class') handler(mutation);
        })
    }
}

var uw = typeof unsafeWindow !== 'undefined' ? unsafeWindow : unwrap(window);
var observerPlayer = new WebKitMutationObserver(buildClassAttrHandler(function(e) {
    var classAttr = e.target.getAttribute('class');
    if (classAttr && classAttr.match(/\bad-showing\b/)) {
        var skip = uw.document.getElementsByClassName('videoAdUiSkipButton');
        if (skip.length) {
            var eventClick = new MouseEvent('click', {
                view: uw,
                bubbles: false,
                cancelable: false,
                target: skip[0],
                currentTarget:skip[0],
                srcElement: skip[0],
                buttons: 1
            });
            uw.console.log('Click to skip AD');
            if (!skip[0].dispatchEvent(eventClick)) {
                skip[0].click();
                uw.console.log(' ----> test click');
            }
        }
    }
}));

var player = null;

var processAd = function(p) {
    player = p;
    uw.player = player;
    if (player) {
        observerPlayer.observe(player, {attributes: true, subtree: false});
        console.log('Mutaition player added');

        var fv = player.getAttribute('flashvars');
        if (fv) {
            fv = fv.replace(new RegExp('(&|[&?])?(' + ads.join('|') + ')=[^&]*', 'g'), '');
            fv = setPref(fv, [['vq', 'highres']]);
            player.setAttribute('flashvars', fv);
        }
    }
}

document.getElementById('player').addEventListener("DOMNodeInserted", function(e) {
    var _player = getPlayer();
    if (e.relatedNode.id == 'movie_player' && _player && player !== _player) {
        processAd(_player);
    }
}, false);

processAd(getPlayer());

// ****************************
var w = uw || window;
var videos = w.document.getElementsByTagName('video');
if (videos.length) {
    var vidos = videos[0];
    if (!w) debugger;
    w.addEventListener('keydown', function(event) {
        if (event.keyCode == 0x1B) {
            if (Math.abs(vidos.currentTime - vidos.duration) < 0.05 && vidos.paused) {
                vidos.currentTime = 0;
                vidos.play();
            } else {
                vidos.currentTime = Math.max(0, vidos.duration - 0.2);
            }
        }
    });
}