旋转和缩放视频，防止某些视频伤害到你的脖子或眼睛！
目前为
// ==UserScript==
// @name [Bilibili] 视频旋转
// @namespace ckylin-script-bilibili-rotate
// @version 0.3
// @description 旋转和缩放视频，防止某些视频伤害到你的脖子或眼睛！
// @author CKylinMC
// @match https://www.bilibili.com/video/*
// @grant GM_registerMenuCommand
// @grant unsafeWindow
// @license GPLv3 License
// ==/UserScript==
(function() {
'use strict';
let effects = [];
const wait = (t) => { return new Promise(r => setTimeout(r, t)); }
async function playerReady(){
let i=50;
while(--i>=0){
await wait(100);
if(!('player' in unsafeWindow)) continue;
if(!('isInitialized' in unsafeWindow.player)) continue;
if(!unsafeWindow.player.isInitialized()) continue;
return true;
}
return false;
}
function bindKeys(){
unsafeWindow.addEventListener("keypress", e=>{
if(e.key=="Q"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
leftR();
e.preventDefault();
}else
if(e.key=="E"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
rightR();
e.preventDefault();
}else
if(e.key=="A"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
smartLR();
e.preventDefault();
}else
if(e.key=="D"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
smartRR();
e.preventDefault();
}else
if(e.key=="R"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
cleanEffects();
clearStyles();
e.preventDefault();
}else
if(e.key=="+"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
zoomIn();
e.preventDefault();
}else
if(e.key=="-"){
if(!e.shiftKey)return;
if(["INPUT","TEXTARREA"].includes(e.target.tagName))return;
zoomOut();
e.preventDefault();
}
});
}
function addEffects(name,value,wait=false){
let effect = effects.filter(e=>e.name==name);
if(effect.length){
effect[0].value+=value;
}else{
effects.push({name,value});
}
if(!wait)applyEffects();
}
function delEffect(name,wait=false){
effects.forEach((e,i)=>{
if(e.name==name)
effects.splice(i,1);
})
if(!wait)applyEffects();
}
function applyEffects(){
let style = ".bilibili-player-video video { transform: ";
effects.forEach(e=>{
let key = e.name;
let value = e.value+"";
switch(key){
case "rotate":
value+="deg";
break;
case "transformY":
case "transformX":
value+="px";
break;
case "scale":
value = (1-e.value)+"";
break;
}
style+=` ${key}(${value})`;
});
style+="}";
console.log(style);
clearStyles();
addStyle(style);
}
function cleanEffects(){
effects = [];
}
function clearStyles(className="CKROTATE"){
let dom = document.querySelectorAll("style."+className);
if(dom) [...dom].forEach(e=>e.remove());
}
function addStyle(s,className="CKROTATE"){
let style = document.createElement("style");
style.classList.add(className);
style.innerHTML = s;
document.body.appendChild(style);
}
function leftR(){
addEffects("rotate",-90);
}
function rightR(){
addEffects("rotate",90);
}
function upR(){
addEffects("rotate",180);
}
function cR(){
delEffect("rotate");
}
function zoomIn(){
addEffects("scale",-0.1);
}
function zoomOut(){
addEffects("scale",0.1);
}
function cZ(){
delEffect("scale");
}
function moveUp(){
addEffects("transformY",-10);
}
function moveDown(){
addEffects("transformY",10);
}
function moveLeft(){
addEffects("transformX",-10);
}
function moveRight(){
addEffects("transformX",10);
}
function cM(){
delEffect("transformX");
delEffect("transformY");
}
function smartLR(){
let dom = document.querySelector(".bilibili-player-video video");
if(!dom) return;
let w = dom.videoWidth;
let h = dom.videoHeight;
let s = h/w;
clearStyles();
cleanEffects();
addEffects("rotate",-90,true);
addEffects("scale",1-s);
}
function smartRR(){
let dom = document.querySelector(".bilibili-player-video video");
if(!dom) return;
let w = dom.videoWidth;
let h = dom.videoHeight;
let s = h/w;
clearStyles();
cleanEffects();
addEffects("rotate",90,true);
addEffects("scale",1-s);
}
function showTip() {
addStyle(`
#CKToast{
background: white;
position: fixed;
top: 80px;
right: 20px;
border-radius: 3px;
border-left: solid 4px #2196f3;
padding: 10px;
color: black;
font-size: large;
overflow: hidden;
word-break: all;
animation: CKToastIn cubic-bezier(0, 0, 0, 1.18) .5s forwards;
}
.dark #CKToast{
background: #424242;
color: white;
}
#CKToast button{
border: none;
background: #2196f3;
color:white;
padding:3px 6px;
display: inline-block;
margin: 3px;
border-radius: 3px;
cursor:pointer;
font-size: medium;
transition: all .3s;
}
#CKToast button:hover{
filter: brightness(.5);
}
.dark #CKToast button{
background: #1976d2;
}
@keyframes CKToastIn{
from{
right: -100%;
}
}
@keyframes CKToastOut{
to{
right: -100%;
}
}
`, "CKToastUIStyles");
const toast = document.createElement("div");
toast.id = "CKToast";
toast.innerHTML = "检测到视频可能需要旋转<br>";
const left = document.createElement("button");
left.innerHTML = "左转90°";
left.onclick = () => {
smartLR();
closeTip();
}
toast.appendChild(left);
const right = document.createElement("button");
right.innerHTML = "右转90°";
right.onclick = () => {
smartRR();
closeTip();
}
toast.appendChild(right);
const close = document.createElement("button");
close.innerHTML = "关闭";
close.style.background = "#d81b60";
close.onclick = () => {
closeTip();
}
toast.appendChild(close);
document.body.appendChild(toast);
setTimeout(closeTip,10000);
}
function closeTip() {
const toast = document.querySelector("#CKToast");
if (toast) {
toast.style.animation = null;
toast.style.animation = "CKToastOut cubic-bezier(0.93, -0.32, 1, 1) .5s forwards";
setTimeout(() => toast.remove(),500);
}
}
async function videoDetect() {
if (!(await playerReady())) return;
let dom = document.querySelector(".bilibili-player-video video");
if(!dom) return;
let w = dom.videoWidth;
let h = dom.videoHeight;
if (h > w) {
showTip();
}
}
GM_registerMenuCommand("左转90", () => {
leftR();
});
GM_registerMenuCommand("右转90°", () => {
rightR();
});
GM_registerMenuCommand("智能左转90", () => {
smartLR();
});
GM_registerMenuCommand("智能右转90°", () => {
smartRR();
});
GM_registerMenuCommand("180°", () => {
upR();
});
GM_registerMenuCommand("放大", () => {
zoomIn();
});
GM_registerMenuCommand("缩小°", () => {
zoomOut();
});
GM_registerMenuCommand("清除旋转", () => {
cR();
});
GM_registerMenuCommand("清除缩放", () => {
cZ();
});
GM_registerMenuCommand("重置", () => {
cleanEffects();
clearStyles();
});
addStyle(".bilibili-player-video video{transition: transform cubic-bezier(0.61, 0.01, 0.44, 0.93) .5s;}", "CKANIMATION");
bindKeys();
videoDetect();
})();