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 1.3
// @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==
(async 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) => {
// FIXME: 同步更新度数
elem.querySelector(".ytp-menuitem-content").innerHTML =
state.rotate * 90 + "°";
});
// TODO: 下面这几个为啥没有打开呢？忘记了😂...需要看下
// 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; //
playerApi = await new Promise((resolve) => {
// 网络情况较差，或者其他情况。轮询查出 playerApi
function c() {
const $vid = $(".html5-main-video");
const $player = $(".html5-video-player");
if ($vid && $player) {
resolve(setup($player, $vid));
} else {
setTimeout(() => {
c();
}, 2000);
}
}
c();
});
// button and menu
async function addbutton(html, options, onRight = true) {
let p, push;
if (onRight) {
p = await new Promise((resolve, reject) => {
function c() {
if ($(".ytp-right-controls")) {
resolve($(".ytp-right-controls"));
} else {
setTimeout(() => {
c();
}, 2000);
}
}
c();
});
push = (n) => p.insertBefore(n, p.firstElementChild);
} else {
// left
p = await new Promise((resolve, reject) => {
function c() {
if ($(".ytp-left-controls")) {
resolve($(".ytp-left-controls"));
} else {
setTimeout(() => {
c();
}, 2000);
}
}
c();
});
push = (n) => p.appendChild(n);
}
let b = await new Promise((resolve, reject) => {
function c() {
if ($(".ytp-settings-button")) {
resolve($(".ytp-settings-button").cloneNode(true));
} else {
setTimeout(() => {
c();
}, 1000);
}
}
c();
});
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
await 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;
// FIXME: 这里的角度其实没同步
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>',
});
})();
})();