Youtube Player Speed Slider

Add Speed Slider to Youtube Player Settings

当前为 2016-12-04 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Youtube Player Speed Slider
// @namespace    youtube_player_speed_slider
// @version      0.2.0
// @description  Add Speed Slider to Youtube Player Settings
// @author       Łukasz
// @match        https://*.youtube.com/*watch*
// @match        https://*.youtube.com/embed*
// @grant        none
// ==/UserScript==


var yts = {};

yts.option = {
    timeoutBuild: 500,
    timeoutRemove: 1000,
    lastClick: 0
};

yts.elements = {
    menu : null,
    speedMenu: null,
    slider: null,
    sliderLabel: null,
    annot: null
};

yts.event = {
    speedRemove: false,
    playerObserve: false,
    addEnd: true
};

yts.modules = {
    'before':[
        'click',
        'setting',
        'i18n',
        'ad'
    ],
    'after':[
        'slider',
        'menu',
        'annot',
        'player',
        'appmenu'
    ],
    'spfdone':[
        'appmenu',
        'player',
        'annot'
    ],
    'afterAd':[
        ''
    ]
};

/*************************************
 *          TRANSLATION              *
 ************************************/
yts.i18n = {};

yts.i18n.dic = {
    pl: {
        'Speed': 'Szybkość',
        'Settings': 'Ustawienia',
        'Language': 'Język',
        'Switch off advertisement': 'Wyłączaj reklamy',
        'Hide annotation': 'Ukryj adnotacje',
        'Remember speed': 'Pamiętaj szybkość'
    },
    de: {
        'Speed' : 'Geschwindigkeit',
        'Settings': 'Einstellungen',
        'Language': 'Sprache',
        'Switch off advertisement': 'Abschalten Werbung',
        'Hide annotation': 'Ausblenden Anmerkungen',
        'Remember speed': 'Erinnern Geschwindigkeit'
    },
    fr:{
        'Speed':'Vitesse',
        'Settings':'Paramètres',
        'Language': 'La langue',
        'Switch off advertisement': 'Désactiver la publicité',
        'Hide annotation': 'Cacher les annotations',
        'Remember speed': 'Rappelez-vous la vitesse'
    },
    en:{}
};

yts.i18n.opt = {
    lang: 'en',
    default: 'en',
    map:{
        pl: 'pl',
        pl_pl: 'pl',
        en: 'en',
        en_gb: 'en',
        de: 'de',
        fr: 'fr'
    }
};

yts.i18n.init = function () {
    yts.i18n.opt.lang = yts.i18n.getLang();
    yts.setting.change('lang', function (val) {
        yts.i18n.opt.lang = yts.i18n.getLang();
    });
};

yts.i18n.getLang = function () {
    var lang = yts.i18n.filter(yts.setting.get('lang'));
    if(lang !== '' && yts.i18n.isAllow(lang)){
        return yts.i18n.map(lang);
    }

    lang = yts.i18n.filter(yts.$.get('html').getAttribute('lang'));
    if(lang !== '' && yts.i18n.isAllow(lang)){
        return yts.i18n.map(lang);
    }

    return yts.i18n.opt.default;
};

yts.i18n.isAllow = function (lang) {
    return yts.i18n.opt.map.hasOwnProperty(lang);
};

yts.i18n.t = function (pattern) {
    if(yts.i18n.dic.hasOwnProperty(yts.i18n.opt.lang) &&
        yts.i18n.dic[yts.i18n.opt.lang].hasOwnProperty(pattern)){
        return yts.i18n.dic[yts.i18n.opt.lang][pattern];
    }
    else {
        return pattern;
    }
};

yts.i18n.filter = function (lang) {
    return lang ? lang.replace('-', '_').toLowerCase() : '';
};

yts.i18n.map = function (lang) {
    return  yts.i18n.opt.map[lang]
};

yts.i18n.all = function () {
    var ret=[];
    for(var p in yts.i18n.dic) if(yts.i18n.dic.hasOwnProperty(p)) ret.push(p);
    return ret;
};

/*************************************
 *          INIT                     *
 ************************************/
yts.init = function () {
    yts.modules.before.forEach(function (module) {
        yts[module].init();
    });
    yts.$.event(document, "spfdone", function () {
        yts.modules.spfdone.forEach(function (module) {
            yts[module].init();
        });
    });

    yts.option.lastClick = (new Date()).getTime();
    yts.menu.reopen();
    yts.buildApp();

};

yts.buildApp = function () {
    yts.elements.menu = yts.$.get('.ytp-panel-menu');
    if (yts.elements.menu !== null) {
        setTimeout(yts.menu.removeDefaultSpeed, yts.option.timeoutRemove);
        yts.modules.after.forEach(function (module) {
            yts[module].init();
        });
    }
    else {
        setTimeout(yts.buildApp, yts.option.timeoutBuild);
    }
};


/*************************************
 *          MENU                    *
 ************************************/
yts.menu = {};

yts.menu.init = function () {

    var speedMenu = yts.$.new('div', {'className': 'ytp-menuitem', id:'yts-menu'});
    var right = yts.$.new('div', {'className': 'ytp-menuitem-content'});

    speedMenu.appendChild(yts.elements.sliderLabel);
    speedMenu.appendChild(right.appendChild(yts.elements.slider));
    yts.elements.menu.appendChild(speedMenu);
    yts.menu.event();
};

yts.menu.event = function () {
    yts.elements.menu.addEventListener('click', yts.menu.click);
};

yts.menu.removeDefaultSpeed = function(){
    var switchers = yts.$.getOpt(".ytp-menuitem", {role:'menuitemcheckbox'});
    var toremove = null;

    if(!yts.player.hasClass('ad-interrupting') &&
        switchers &&
        switchers.length &&
        !yts.event.speedRemove
    ){
        toremove = switchers[switchers.length-1].nextElementSibling;
        if(toremove && toremove.id !== 'yts-menu'){
            yts.$.style(toremove, 'display', 'none');
            yts.event.speedRemove = true;
        }
    }
};

yts.menu.reopen = function () {
    var settings_button = yts.$.get(".ytp-settings-button");
    settings_button && settings_button.click();
    settings_button && settings_button.click();
};

yts.menu.click = function () {
    yts.option.lastClick = (new Date()).getTime();
};

/*************************************
 *          SLIDER                   *
 ************************************/
yts.slider = {};

yts.slider.init = function () {
    var speed = yts.setting.get('speed') || 1;
    speed = yts.setting.get('rem') ? speed : 1;
    yts.elements.sliderLabel = yts.$.new('div', {'className': 'ytp-menuitem-label'});
    yts.elements.slider = yts.$.new('input', {
        'className': '',
        'type': 'range',
        'min': 0.5,
        'max': 4,
        'step': 0.1,
        'value': speed,
        style:{
            'width': '90%',
            'margin':'0 5%'
        }
    });
    yts.$.event(yts.elements.slider, 'change', yts.slider.change);
    yts.$.event(yts.elements.slider, 'input', yts.slider.move);

    yts.slider.updateLabel(speed);
};

yts.slider.move = function (event) {
    yts.slider.updateLabel(event.target.value);
};

yts.slider.change = function (event) {
    yts.player.duration(event.target.value);
};

yts.slider.updateLabel = function (val) {
    yts.elements.sliderLabel.innerHTML = yts.i18n.t('Speed') + ': ' + parseFloat(val).toFixed(1);
};


/*************************************
 *          PLAYER                   *
 ************************************/
yts.player = {};

yts.player.init = function(){
    yts.elements.player = yts.$.get('.html5-main-video');
    yts.player.observe();
    if(yts.setting.get('speed') && yts.setting.get('rem')){
        yts.player.duration(yts.setting.get('speed'));
        yts.slider.updateLabel(yts.setting.get('speed'));
    }

};

yts.player.hasClass = function (cls) {
    yts.player.init();
    return yts.elements.player && yts.elements.player.classList.contains(cls)
};

yts.player.duration = function(value){
    yts.setting.set('speed', value);
    yts.elements.player.playbackRate = value;
};

yts.player.observe = function () {
    if(!yts.event.playerObserve){
        yts.observer.init(yts.elements.player.parentNode.parentNode, function (mutation) {
            if(/html5-video-player/.test(mutation.target.className) && !yts.event.speedRemove) {
                yts.menu.removeDefaultSpeed();
            }
        });
        yts.event.playerObserve = true;
    }
};

/*************************************
 *          ANNOTATION               *
 ************************************/
yts.annot = {};
yts.annot.init = function(){
    yts.elements.annot = yts.$.get('.video-annotations');
    if(yts.setting.get('annot')){
        yts.annot.switch("off");
    }
    yts.setting.change('annot', function (val) {
        if(val){
            yts.annot.switch("off");
        }
        else{
            yts.annot.switch("on");
        }
    });
};

yts.annot.change = function (mutation) {
    if(mutation.type == "attributes" && mutation.target.getAttribute('role')=="menuitemcheckbox"){
        yts.annot.switch("off");
    }
};

yts.annot.switch = function(type){
    if(yts.elements.annot && type == 'off'){
        yts.$.style(yts.elements.annot, 'display', 'none', 'important');
    }
    else if(yts.elements.annot && type == 'on'){
        yts.$.style(yts.elements.annot, 'display', 'block');
    }
};

/*************************************
 *          COOKIE                   *
 ************************************/
yts.cookie ={};

yts.cookie.set = function (name, value, option) {
    var d = new Date();
    option = option || {};
    option.expires = option.expires || 366;
    d.setTime(d.getTime() + (option.expires*24*60*60*1000));
    option.expires =  d.toUTCString();
    option.path = option.path || '/';

    var cookie = name + "=" + value + "; ";
    for(var prop in option){
        cookie += prop + "=" + option[prop] +"; ";
    }
    document.cookie = cookie;
};

yts.cookie.get = function (name) {
    name += "=";
    var ca = document.cookie.split(';');
    for(var i = 0; i <ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0)==' ') {
            c = c.substring(1);
        }
        if (c.indexOf(name) == 0) {
            return c.substring(name.length,c.length);
        }
    }
    return null;
};

/************************************
*                DOM                *
************************************/
yts.$ = {};

yts.$.event = function (obj, event, callback) {
    obj.addEventListener(event, callback);
};

yts.$.new = function (tag, option) {
    var element = document.createElement(tag);
    for (var param in option) {
        if(param == 'data' || param == 'style'|| param == 'attr'){
            for(var data in option[param]){
                yts.$[param](element, data, option[param][data]);
            }
        }
        else{
            element[param] = option[param];
        }
    }
    return element;
};

yts.$.get = function (tselector, all) {
    all = all || false;
    var type = tselector.substring(0, 1);
    var selector = tselector.substring(1);
    var elements;
    if (type == "#") {
        return document.getElementById(selector);
    }
    else if (type == ".") {
        elements = document.getElementsByClassName(selector);
    }
    else{
        elements = document.querySelectorAll(tselector);
    }

    if (all) {
        return elements;
    }
    else {
        return elements.length ? elements[0] : null;
    }
};

yts.$.data = function (elem, key, val) {
    key = key.replace(/-(\w)/gi, function(x){return x.charAt(1).toUpperCase()});
    if(typeof val !== 'undefined'){
        elem.dataset[key] = val;
    }
    return elem.dataset[key];

};

yts.$.style = function (elem, key, val, priority) {
    priority = priority || '';
    if(typeof val !== 'undefined'){
        elem.style.setProperty(key, val, priority);
    }
    return elem.style.getPropertyValue(key);

};

yts.$.attr = function (elem, key, val) {
    if(typeof val !== 'undefined'){
        elem.setAttribute(key, val);
    }
    return elem.getAttribute(key);

};

yts.$.getOpt = function(selector, option){
    var el = yts.$.get(selector, true);
    var pass = [];
    var correct;
    for(var i =0; i< el.length; i++){
        correct = true;
        for(var prop in option){
            if(!yts.$.has(el[i], prop, option[prop])){
                correct = false;
                break;
            }
        }
        if(correct){
            pass.push(el[i]);
        }
    }
    return pass;
};

yts.$.has = function (elem, key, val) {
    if(elem.hasAttribute(key)){
        var attr = elem.getAttribute(key);
        if(val !== null){
            return attr == val;
        }
        return true;
    }
    return false;
};


/*************************************
 *          OBSERVER                 *
 ************************************/
yts.observer= {};

yts.observer.obj = null;

yts.observer.get = function () {
    return window.MutationObserver || window.WebKitMutationObserver;
};

yts.observer.init = function (element, callback) {
    var MutationObserver = yts.observer.get();
    if( MutationObserver ){
        var obs = new MutationObserver(function(mutations, observer){
            callback(mutations[0]);
        });

        obs.observe( element, {
            childList: true,
            subtree: true,
            attributes:true,
            characterData:true,
            attributeOldValue:true,
            characterDataOldValue:true
        });
    }
};


/*************************************
 *          SETTINGS                 *
 ************************************/
yts.setting = {};
yts.setting.item = {
    rem:{
        label: 'Remember speed',
        type: 'switcher'
    },
    annot:{
        label: 'Hide annotation',
        type: 'switcher'
    },
    ad:{
        label: 'Switch off advertisement',
        type: 'switcher'
    },
    lang:{
        label: 'Language',
        type: 'radio',
        items: yts.i18n.all()
    }
};
yts.setting.settings = null;
yts.setting.event = {};

yts.setting.init = function(){
    var setting = localStorage.getItem('yts');
    yts.setting.settings = JSON.parse(setting === null ? '{}' : setting);
};

yts.setting.set = function(key, val){
    yts.setting.settings[key] = val;

    if(yts.setting.event.hasOwnProperty(key)){
        yts.setting.event[key](val);
    }
    localStorage.setItem('yts', JSON.stringify(yts.setting.settings));
};

yts.setting.get = function(kay){
    return yts.setting.settings.hasOwnProperty(kay) ?
        yts.setting.settings[kay] : null;
};

yts.setting.change = function(key, callback){
    yts.setting.event[key] = callback;
};

/*************************************
 *          CLICK                    *
 ************************************/
yts.click = {};
yts.click.fun = [];
yts.click.init = function(){
    yts.$.event(yts.$.get('body'), 'click', function(event){
        for(var i =0; i<yts.click.fun.length; i++){
            yts.click.fun[i](event);
        }
    })
};

yts.click.add = function(fun){
    yts.click.fun.push(fun);
};

/*************************************
 *          ADVERTISEMENT            *
 ************************************/
yts.ad = {};
yts.ad.init = function(){
    if(yts.setting.get('ad')){
        yts.ad.switch('off');
    }
    yts.setting.change('ad', function (val) {
        if(val){
            yts.ad.switch('off');
        }
        else{
            yts.ad.switch('on');
        }
    });
};

yts.ad.switch = function (type) {
    var ad = yts.$.get(".video-ads");
    if(type == "off"){
        yts.cookie.set("VISITOR_INFO1_LIVE", "oKckVSqvaGw", {domain: "youtube.com"});
        ad && yts.$.style(ad, 'display', 'none', 'important');
    }
    else {
        yts.cookie.set("VISITOR_INFO1_LIVE", "", {domain: "youtube.com", expires: -1});
        ad && yts.$.style(ad, 'display', 'block');
    }
};


/*************************************
 *          APP MENU                 *
 ************************************/
yts.appmenu = {};

yts.appmenu.init = function(){
    yts.appmenu.build();
};

yts.appmenu.build = function(){

    yts.appmenu.panel();
    var menu = yts.$.get("#watch8-secondary-actions");
    if(menu){
        menu.appendChild(yts.appmenu.button());
    }
};

yts.appmenu.button = function(){
    var button = yts.$.new('button', {
        'className':'yt-uix-button yt-uix-button-opacity action-panel-trigger yt-uix-button-toggled',
        'title' : yts.i18n.t('Settings'),
        'type':'button',
        'innerHTML':'<span class="yt-uix-button-content">Yts</span>',
        'data': {
            'tooltip-text':yts.i18n.t('Settings'),
            'button-toggle':'true',
            'trigger-for':'action-panel-yts'
        }
    });

    return button;
};

yts.appmenu.panel = function(){
    var panel = yts.$.new('div', {
        'id':'action-panel-yts',
        'className':'action-panel-content',
        data: {'panel-loaded':'true'}
    });

    var list = yts.$.new('ul', {'className':'yt-uix-kbd-nav yt-uix-kbd-nav-list'});
    yts.appmenu.addSettingItems(list);
    panel.appendChild(list);
    var panels = yts.$.get('#watch-action-panels');
    if(panels){
        panels.appendChild(panel);
    }
};

yts.appmenu.addSettingItems = function (list) {
    for(var item in yts.setting.item){
        var li = yts.$.new('li', {
            'className':'ytp-menuitem',
            'role':"menuitemcheckbox",
            attr: {
                'aria-checked': yts.setting.get(item) ? "true" : "false",
            }
        });
        var type = yts.setting.item[item].type;
        if(type === 'switcher'){
            li = yts.appmenu.switcherItem(li, item);
        }
        if(type === 'radio'){
            li = yts.appmenu.radioItem(li, item);
        }

        list.appendChild(li);
    }
};


yts.appmenu.switcherItem = function(li, item){
    var switcher = yts.$.new('div', {
        'className':'ytp-menuitem-toggle-checkbox',
        style: {
            'background-color':'#d2d2d2',
            'margin-left': '10px'
        },
        data: {
            'name': item
        },
        'onclick' : function (event) {
            var el = event.target;
            var parent = el.parentNode;
            var stat = parent.getAttribute('aria-checked');
            if(stat == 'false'){
                yts.$.attr(parent, 'aria-checked' , 'true');
                yts.setting.set(yts.$.data(el, 'name'), true);
            }
            else{
                yts.$.attr(parent, 'aria-checked' , 'false');
                yts.setting.set(yts.$.data(el, 'name'), false);
            }
        }
    });
    var span = yts.$.new('span', {'innerHTML':yts.i18n.t(yts.setting.item[item].label)});


    li.appendChild(switcher);
    li.appendChild(span);
    return li;
};

yts.appmenu.radioItem = function(li, item){
    var list = yts.setting.item[item].items;
    var checked = yts.setting.get(item);
    li.appendChild(yts.$.new('div',{'innerHTML':yts.i18n.t(yts.setting.item[item].label), style:{'margin-bottom':'5px'}}));

    for(var i =0; i< list.length; i++){
        var label = yts.$.new('label',{style:{'margin-right':'5px'}});
        var spanInput = yts.$.new('span', {
            'className': 'yt-uix-form-input-radio-container'
        });
        var input = yts.$.new('input', {
            'type': 'radio',
            'name': 'yts-' + item,
            'checked': list[i] == checked,
            data: {
                'name': item,
                'val': list[i]
            },
            'onchange': function (event) {
                var el = event.target;
                yts.setting.set(yts.$.data(el, 'name'), yts.$.data(el, 'val'));
            }
        });
        var spanCheck = yts.$.new('span', {'className': 'yt-uix-form-input-radio-element'});
        var spanLabel = yts.$.new('span', {'innerHTML': list[i]});

        spanInput.appendChild(input);
        spanInput.appendChild(spanCheck);

        label.appendChild(spanInput);
        label.appendChild(spanLabel);

        li.appendChild(label);

    }
    return li;
};


yts.init();