油管的视频旋转插件.
当前为
// ==UserScript==
// @author zhzLuke96
// @name 油管视频旋转
// @name:en youtube player rotate plug
// @version 1.1
// @description 油管的视频旋转插件.
// @description:en rotate youtebe player.
// @namespace https://github.com/zhzLuke96/
// @match https://www.youtube.com/*
// @grant none
// ==/UserScript==
(function () {
'use strict';
const rule_name = "ytp_player_user_js";
// ref:https://stackoverflow.com/questions/27078285/simple-throttle-in-js
function throttle(callback, limit) {
var waiting = false;
return function () {
if (!waiting) {
callback.apply(this, arguments);
waiting = true;
setTimeout(function () {
waiting = false;
}, limit);
}
}
}
const dommap = {};
const applydom = (key, fn) => dommap[key] && fn(dommap[key]);
// init ytp_horizintal ytp_vertical class
;
(rule => {
var style = document.createElement('style');
document.getElementsByTagName('head')[0].appendChild(style);
style.innerHTML = rule
})(`
video.ytp_horizintal{transform:rotateX(180deg)}
video.ytp_vertical{transform:rotateY(180deg)}
`);
const $ = q => document.querySelector(q);
const currentLang = (navigator.language || navigator.browserLanguage || navigator.systemLanguage).toLowerCase() || '';
const on_zh_lang = currentLang.indexOf("zh") > -1;
let $styleElem = null; // cache var
function setup($ytp_player, $ytp_player_vid) {
if (!$ytp_player || !$ytp_player_vid) {
return
}
if (!$styleElem) {
$styleElem = document.createElement('style');
document.getElementsByTagName('head')[0].appendChild($styleElem);
}
// mount <video> element
$ytp_player_vid.classList.add(rule_name);
let currentCSS = {};
const state = {
rotate: 0, // 0 1 2 3 => 0 90 180 270
horizintal: false,
vertical: false,
plugin_working: false,
}
// utils
function setStyle(rule) {
$styleElem.innerHTML = `.${rule_name}{${rule}}`;
}
function css_dump(obj) {
let ret = "";
for (let key in obj) {
if (obj.hasOwnProperty(key)) {
ret += `${key}:${obj[key]} !important;`;
}
}
return ret;
}
function toggleRuleTransform(rule) {
if (currentCSS["transform"]) {
if (currentCSS["transform"].indexOf(rule) > -1)
currentCSS["transform"] = currentCSS["transform"].replace(rule, "")
else
currentCSS["transform"] += rule;
} else {
currentCSS["transform"] = rule;
}
setStyle(css_dump(currentCSS));
}
// bind play event
setTimeout(() => {
$ytp_player_vid.addEventListener('play', () => state.plugin_working && update());
$ytp_player.addEventListener("resize", throttle(() => state.plugin_working && setTimeout(update, 100), 500));
}, 500)
const update = () => {
// ---------- rotate ---------- 👇
const y = (() => {
const [pw, ph] = [$ytp_player.clientWidth, $ytp_player.clientHeight];
let [w, h] = [$ytp_player_vid.clientWidth, $ytp_player_vid.clientHeight];
if (state.rotate % 2 == 1) {
[w, h] = [h, w];
}
// pw === w
if (~~(pw * h / w) <= h) { // 💥💥💥
return pw / w;
}
// ph === h
return ph / h;
})();
const css = {};
css["transform"] = `rotate(${state.rotate * 90}deg)`;
css["transform"] += ` scale(${y})`;
currentCSS = css;
setStyle(css_dump(css));
// ---------- rotate ---------- 👆
if (state.horizintal) {
if (state.rotate % 2 == 1) toggleRuleTransform("rotateX(180deg)")
else toggleRuleTransform("rotateY(180deg)");
}
if (state.vertical) {
if (state % 2 == 1) toggleRuleTransform("rotateY(180deg)")
else toggleRuleTransform("rotateX(180deg)");
}
// ---------- update UI ---------- 👇
applydom('menu_rotate', (elem) => {
elem.querySelector(".ytp-menuitem-content").innerHTML = state.rotate * 90 + '°';
})
// applydom('menu_horizintal', (elem) => {
// elem.setAttribute('aria-checked', state.horizintal.toString());
// })
// applydom('menu_vertical', (elem) => {
// elem.setAttribute('aria-checked', state.vertical.toString());
// })
// applydom('menu_pip', (elem) => {
// //
// })
// ---------- update UI ---------- 👆
}
return {
rotate() {
state.plugin_working = true;
state.rotate = (state.rotate + 1) % 4;
update();
return state.rotate;
},
toogleHorizintal() {
state.plugin_working = true;
state.horizintal = !state.horizintal;
update();
return state.horizintal;
},
toogleVertical() {
state.plugin_working = true;
state.vertical = !state.vertical;
update();
return state.vertical;
},
reset() {
state.rotate = 0;
state.horizintal = false;
state.vertical = false;
update();
return state;
},
}
}
let playerApi = null; //
{ // mount
const $vid = $(".html5-main-video");
const $player = $(".html5-video-player");
if ($vid && $player) {
playerApi = setup($player, $vid);
} else {
// 也许...有某种情况会不生成player
window.addEventListener('popstate', () => {
const $vid = $(".html5-main-video");
const $player = $(".html5-video-player");
if ($vid && $player) {
playerApi = setup($player, $vid);
}
})
}
};
// button and menu
function addbutton(html, options, onRight = true) {
let p, push;
if (onRight) {
p = $(".ytp-right-controls");
push = n => p.insertBefore(n, p.firstElementChild);
} else {
// left
p = $(".ytp-left-controls");
push = n => p.appendChild(n);
}
let b = $(".ytp-settings-button").cloneNode(true);
b.innerHTML = html;
b.className = "ytp-button";
push(b);
if (options.key) dommap[options.key] = b;
if (options.click) b.addEventListener("click", options.click);
if (options.css) b.style.cssText = options.css;
if (options.id) b.id = options.id;
if (options.title) b.title = options.title;
return b;
}
// rotate 90
addbutton(`
<svg viewBox="0 0 1536 1536" aria-labelledby="rwsi-awesome-repeat-title" id="si-awesome-repeat" width="100%" height="100%"><title id="rwsi-awesome-repeat-title">icon repeat</title><path d="M1536 128v448q0 26-19 45t-45 19h-448q-42 0-59-40-17-39 14-69l138-138Q969 256 768 256q-104 0-198.5 40.5T406 406 296.5 569.5 256 768t40.5 198.5T406 1130t163.5 109.5T768 1280q119 0 225-52t179-147q7-10 23-12 14 0 25 9l137 138q9 8 9.5 20.5t-7.5 22.5q-109 132-264 204.5T768 1536q-156 0-298-61t-245-164-164-245T0 768t61-298 164-245T470 61 768 0q147 0 284.5 55.5T1297 212l130-129q29-31 70-14 39 17 39 59z"></path></svg>
`, {
click: () => playerApi.rotate && playerApi.rotate(),
css: "fill:white;width:20px;margin-right:1rem;",
id: "rotate-btn",
title: on_zh_lang ? "旋转视频" : "rotate",
key: 'btn_rotate'
})
function append_context_menu({
label = '',
content = '<div class="ytp-menuitem-toggle-checkbox"></div>',
href,
icon,
callback,
key
}) {
const $menu = document.querySelector(".ytp-contextmenu>.ytp-panel>.ytp-panel-menu");
let $ele = null;
if (href) {
$ele = document.querySelector(".ytp-contextmenu>.ytp-panel>.ytp-panel-menu>a.ytp-menuitem").cloneNode(true)
$ele.href = href;
} else {
$ele = document.querySelector(".ytp-contextmenu>.ytp-panel>.ytp-panel-menu>div.ytp-menuitem").cloneNode(true)
}
key && (dommap[key] = $ele);
label && ($ele.querySelector(".ytp-menuitem-label").innerHTML = label);
content && ($ele.querySelector(".ytp-menuitem-content").innerHTML = content);
icon && ($ele.querySelector(".ytp-menuitem-icon").innerHTML = icon);
if (typeof (callback) == "function") $ele.addEventListener("click", callback)
$menu.appendChild($ele)
};
(function mountMenu() {
const $menu = document.querySelector(".ytp-contextmenu>.ytp-panel>.ytp-panel-menu");
if (!$menu || $menu.innerHTML === '') {
// waiting framework do something
return setTimeout(mountMenu, 300)
}
// github link
append_context_menu({
key: 'menu_github',
label: "-- github --",
content: "️️⭐",
href: "https://github.com/zhzLuke96/ytp-rotate",
})
// rotate menuitem
append_context_menu({
key: 'menu_rotate',
callback: (ev) => {
if (!playerApi) return;
const elem = ev.currentTarget;
elem.querySelector(".ytp-menuitem-content").innerHTML = playerApi.rotate() * 90 + '°';
},
label: on_zh_lang ? "旋转90°" : "rotate 90°",
content: "️️0°",
})
// flip horizintal
append_context_menu({
key: 'menu_horizintal',
callback(ev) {
if (!playerApi) return;
const elem = ev.currentTarget;
elem.setAttribute('aria-checked', playerApi.toogleHorizintal().toString());
},
label: on_zh_lang ? "水平翻转" : "flip horizintal",
icon: '<div style="text-align: center;">↔️</div>'
})
// flip vertical
append_context_menu({
key: 'menu_vertical',
callback(ev) {
if (!playerApi) return;
const elem = ev.currentTarget;
elem.setAttribute('aria-checked', playerApi.toogleVertical().toString());
},
label: on_zh_lang ? "垂直翻转" : "flip vertical",
icon: '<div style="text-align: center;">↕️</div>'
})
// picture in picture
append_context_menu({
key: 'menu_pip',
callback(ev) {
const elem = ev.currentTarget;
try {
if (document.pictureInPictureElement) {
document.exitPictureInPicture()
elem.setAttribute('aria-checked', (false).toString());
} else {
$("video").requestPictureInPicture();
elem.setAttribute('aria-checked', (true).toString());
}
} catch (error) {
let msg = on_zh_lang ? "浏览器不支持[PictureInPicture]或脚本加载错误" : "Browser does not support [PictureInPicture] or script loading error";
console.log(msg);
alert(msg);
}
},
label: on_zh_lang ? "画中画" : "PIP",
icon: '<div style="text-align: center;">🖼️</div>',
})
})();
})();