// ==UserScript==
// @name YouTube Live Filled Up View
// @name:ja YouTube Live Filled Up View
// @name:zh-CN YouTube Live Filled Up View
// @description Get maximized video-and-chat view with no margins on YouTube Live or Premieres.
// @description:ja YouTube Live やプレミア公開のチャット付きビューで、余白を切り詰めて映像を最大化します。
// @description:zh-CN 在油管中的 YouTube Live 或首映公开的带聊天视图中，截取空白以最大化映像。
// @namespace knoa.jp
// @include https://www.youtube.com/*
// @version 1.0.1
// @grant none
// @downloadURL none
// ==/UserScript==
(function(){
const SCRIPTID = 'YouTubeLiveFilledUpView';
const SCRIPTNAME = 'YouTube Live Filled Up View';
const DEBUG = false;/*
[update] 1.0.1
fixed chat height flexibility.
[bug]
[todo]
[possible]
[memo]
ダークモードはそれ用のユーザースタイルに任せるべき。
*/
if(window === top && console.time) console.time(SCRIPTID);
const SECOND = 1000, MINUTE = 60*SECOND, HOUR = 60*MINUTE, DAY = 24*HOUR, WEEK = 7*DAY, MONTH = 30*DAY, YEAR = 365*DAY;
const INTERVAL = 1*SECOND;/*for core.checkUrl*/
const VIDEOURLS = [/*for core.checkUrl*/
/^https:\/\/www\.youtube\.com\/watch\?/,
];
const CHATURLS = [/*for core.checkUrl*/
/^https:\/\/www\.youtube\.com\/live_chat\?/,
/^https:\/\/www\.youtube\.com\/live_chat_replay\?/,
];
const RETRY = 10;
let site = {
videoTargets: {
video: () => $('#movie_player video'),
chat: () => $('ytd-live-chat-frame#chat'),
},
is: {
opened: (chat) => (chat.collapsed === false),
},
chatTargets: {
items: () => $('yt-live-chat-item-list-renderer #items'),
},
};
let html, elements = {}, timers = {}, sizes = {};
let core = {
initialize: function(){
html = document.documentElement;
html.classList.add(SCRIPTID);
core.checkUrl();
},
checkUrl: function(){
let previousUrl = '';
timers.checkUrl = setInterval(function(){
if(document.hidden) return;
/* The page is visible, so... */
if(location.href === previousUrl) return;
else previousUrl = location.href;
/* The URL has changed, so... */
core.clearVideostyle();
switch(true){
case(VIDEOURLS.some(url => url.test(location.href))):
return core.readyForVideo();
case(CHATURLS.some(url => url.test(location.href))):
return core.readyForChat();
}
}, INTERVAL);
},
clearVideostyle: function(){
if(elements.videoStyle && elements.videoStyle.isConnected){
document.head.removeChild(elements.videoStyle);
}
},
addVideostyle: function(){
core.addStyle('videoStyle');
},
readyForVideo: function(){
core.getTargets(site.videoTargets, RETRY).then(() => {
log("I'm ready for Video.");
core.observeChatFrame();
});
},
observeChatFrame: function(){
let chat = elements.chat;
if(site.is.opened(chat)) core.addVideostyle();
observe(chat, function(records){
if(site.is.opened(chat)) core.addVideostyle();
else core.clearVideostyle();
}, {attributes: true});
},
readyForChat: function(){
core.getTargets(site.chatTargets, RETRY).then(() => {
log("I'm ready for Chat.");
core.addStyle('chatStyle');
});
},
getTargets: function(targets, retry = 0){
const get = function(resolve, reject, retry){
for(let i = 0, keys = Object.keys(targets), key; key = keys[i]; i++){
let selected = targets[key]();
if(selected){
if(selected.length) selected.forEach((s) => s.dataset.selector = key);
else selected.dataset.selector = key;
elements[key] = selected;
}else{
if(--retry < 0) return reject(log(`Not found: ${key}, I give up.`));
log(`Not found: ${key}, retrying... (left ${retry})`);
return setTimeout(get, 1000, resolve, reject, retry);
}
}
resolve();
};
return new Promise(function(resolve, reject){
get(resolve, reject, retry);
});
},
addStyle: function(name = 'style'){
if(core.html[name] === undefined) return;
let style = createElement(core.html[name]());
document.head.appendChild(style);
if(elements[name] && elements[name].isConnected) document.head.removeChild(elements[name]);
elements[name] = style;
},
html: {
videoStyle: () => `
`,
chatStyle: () => `
`,
},
};
const setTimeout = window.setTimeout, clearTimeout = window.clearTimeout, setInterval = window.setInterval, clearInterval = window.clearInterval, requestAnimationFrame = window.requestAnimationFrame;
const alert = window.alert, confirm = window.confirm, getComputedStyle = window.getComputedStyle, fetch = window.fetch;
if(!('isConnected' in Node.prototype)) Object.defineProperty(Node.prototype, 'isConnected', {get: function(){return document.contains(this)}});
class Storage{
static key(key){
return (SCRIPTID) ? (SCRIPTID + '-' + key) : key;
}
static save(key, value, expire = null){
key = Storage.key(key);
localStorage[key] = JSON.stringify({
value: value,
saved: Date.now(),
expire: expire,
});
}
static read(key){
key = Storage.key(key);
if(localStorage[key] === undefined) return undefined;
let data = JSON.parse(localStorage[key]);
if(data.value === undefined) return data;
if(data.expire === undefined) return data;
if(data.expire === null) return data.value;
if(data.expire < Date.now()) return localStorage.removeItem(key);
return data.value;
}
static delete(key){
key = Storage.key(key);
delete localStorage.removeItem(key);
}
static saved(key){
key = Storage.key(key);
if(localStorage[key] === undefined) return undefined;
let data = JSON.parse(localStorage[key]);
if(data.saved) return data.saved;
else return undefined;
}
}
const $ = function(s, f){
let target = document.querySelector(s);
if(target === null) return null;
return f ? f(target) : target;
};
const $$ = function(s){return document.querySelectorAll(s)};
const animate = function(callback, ...params){requestAnimationFrame(() => requestAnimationFrame(() => callback(...params)))};
const wait = function(ms){return new Promise((resolve) => setTimeout(resolve, ms))};
const createElement = function(html = ''){
let outer = document.createElement('div');
outer.innerHTML = html;
return outer.firstElementChild;
};
const observe = function(element, callback, options = {childList: true, attributes: false, characterData: false, subtree: false}){
let observer = new MutationObserver(callback.bind(element));
observer.observe(element, options);
return observer;
};
const getScrollbarWidth = function(){
let div = document.createElement('div');
div.textContent = 'dummy';
document.body.appendChild(div);
div.style.overflowY = 'scroll';
let clientWidth = div.clientWidth;
div.style.overflowY = 'hidden';
let offsetWidth = div.offsetWidth;
document.body.removeChild(div);
return offsetWidth - clientWidth;
};
const atLeast = function(min, b){
return Math.max(min, b);
};
const atMost = function(a, max){
return Math.min(a, max);
};
const between = function(min, b, max){
return Math.min(Math.max(min, b), max);
};
const log = function(){
if(!DEBUG) return;
let l = log.last = log.now || new Date(), n = log.now = new Date();
let error = new Error(), line = log.format.getLine(error), callers = log.format.getCallers(error);
//console.log(error.stack);
console.log(
(SCRIPTID || '') + ':',
/* 00:00:00.000 */ n.toLocaleTimeString() + '.' + n.getTime().toString().slice(-3),
/* +0.000s */ '+' + ((n-l)/1000).toFixed(3) + 's',
/* :00 */ ':' + line,
/* caller.caller */ (callers[2] ? callers[2] + '() => ' : '') +
/* caller */ (callers[1] || '') + '()',
...arguments
);
};
log.formats = [{
name: 'Firefox Scratchpad',
detector: /MARKER@Scratchpad/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Console',
detector: /MARKER@debugger/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Greasemonkey 3',
detector: /\/gm_scripts\//,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1],
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Greasemonkey 4+',
detector: /MARKER@user-script:/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1] - 500,
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Firefox Tampermonkey',
detector: /MARKER@moz-extension:/,
getLine: (e) => e.stack.split('\n')[1].match(/([0-9]+):[0-9]+$/)[1] - 6,
getCallers: (e) => e.stack.match(/^[^@]*(?=@)/gm),
}, {
name: 'Chrome Console',
detector: /at MARKER \(/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1],
getCallers: (e) => e.stack.match(/[^ ]+(?= \()/gm),
}, {
name: 'Chrome Tampermonkey',
detector: /at MARKER \(chrome-extension:.*?\/userscript.html\?id=/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1] - 6,
getCallers: (e) => e.stack.match(/[^ ]+(?= \(chrome-extension:)/gm),
}, {
name: 'Chrome Extension',
detector: /at MARKER \(chrome-extension:/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)?$/)[1],
getCallers: (e) => e.stack.match(/[^ ]+(?= \(chrome-extension:)/gm),
}, {
name: 'Edge Console',
detector: /at MARKER \(eval/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)$/)[1],
getCallers: (e) => e.stack.match(/[^ ]+(?= \(eval)/gm),
}, {
name: 'Edge Tampermonkey',
detector: /at MARKER \(Function/,
getLine: (e) => e.stack.split('\n')[2].match(/([0-9]+):[0-9]+\)$/)[1] - 4,
getCallers: (e) => e.stack.match(/[^ ]+(?= \(Function)/gm),
}, {
name: 'Safari',
detector: /^MARKER$/m,
getLine: (e) => 0,/*e.lineが用意されているが最終呼び出し位置のみ*/
getCallers: (e) => e.stack.split('\n'),
}, {
name: 'Default',
detector: /./,
getLine: (e) => 0,
getCallers: (e) => [],
}];
log.format = log.formats.find(function MARKER(f){
if(!f.detector.test(new Error().stack)) return false;
//console.log('////', f.name, 'wants', 0/*line*/, '\n' + new Error().stack);
return true;
});
const time = function(label){
if(!DEBUG) return;
const BAR = '|', TOTAL = 100;
switch(true){
case(label === undefined):/* time() to output total */
let total = 0;
Object.keys(time.records).forEach((label) => total += time.records[label].total);
Object.keys(time.records).forEach((label) => {
console.log(
BAR.repeat((time.records[label].total / total) * TOTAL),
label + ':',
(time.records[label].total).toFixed(3) + 'ms',
'(' + time.records[label].count + ')',
);
});
time.records = {};
break;
case(!time.records[label]):/* time('label') to create and start the record */
time.records[label] = {count: 0, from: performance.now(), total: 0};
break;
case(time.records[label].from === null):/* time('label') to re-start the lap */
time.records[label].from = performance.now();
break;
case(0 < time.records[label].from):/* time('label') to add lap time to the record */
time.records[label].total += performance.now() - time.records[label].from;
time.records[label].from = null;
time.records[label].count += 1;
break;
}
};
time.records = {};
core.initialize();
if(window === top && console.timeEnd) console.timeEnd(SCRIPTID);
})();