// ==UserScript==
// @name          快捷键控制视频倍速、超级快进
// @version       1.0.0
// @description   （支持B站等）用快捷键（c, x, z）控制倍速播放，连按3次右箭头快进30s，连按4次则60s。具体而言：按 c 加速0.25，x 减速0.25，a 加速0.5，q减速0.5。腾讯视频、爱奇艺、百度网盘的快捷键只支持倍速播放，不支持快进。
// @author        ww
// @copyright     ww
// @license       MIT
// @match         *://www.bilibili.com/video/av*
// @match         *://www.bilibili.com/video/BV*
// @match         https://v.qq.com/x/cover/*
// @match         https://www.iqiyi.com/*
// @match         https://pan.baidu.com/pfile/video?path=*
// @grant         GM_addStyle
// @require       https://static.hdslb.com/js/jquery.min.js
// @namespace https://greasyfork.org/users/1034870
// ==/UserScript==
/* globals $ waitForKeyElements */
// @[ You can find all source codes in GitHub repo ]
!function() {
"use strict";
const duration = 1500;
const url = window.location.href;
let site = 0;
if(url.indexOf("bilibili") > -1){
site = 0;
}else if(url.indexOf("qq.com") > -1){
site = 1;
}else if(url.indexOf("iqiyi.com") > -1){
site = 2;
}
console.log("site: "+site);
setTimeout(setRate, 1000);
let lock = false;
function setRate(){
const video = document.querySelector('video');
console.log("video: "+video);
// 初始化倍速
let playbackRate = 1.0;
console.log("playbackRate: "+playbackRate);
// 监听键盘事件
document.addEventListener('keydown', (event) => {
let adjustFlag = false;
switch (event.key) {
case 'z':
// 恢复正常速度
playbackRate = 1.0;
// adjustFlag = true;
break;
case 'a':
playbackRate += 0.5;
adjustFlag = true;
break;
case 'q':
playbackRate -= 0.5;
adjustFlag = true;
if (playbackRate < 0.25) {
playbackRate = 0.5; // 设置最低倍速
}
break;
case 'c':
adjustFlag = true;
playbackRate += 0.25;
break;
case 'x':
playbackRate -= 0.25;
adjustFlag = true;
if (playbackRate < 0.25) {
playbackRate = 0.25; // 最低倍速为0.25
}
break;
}
video.playbackRate = playbackRate;
if(adjustFlag){
if(site === 0){
const element = document.querySelector("#bilibili-player > div > div");
element.setAttribute("data-ctrl-hidden", "false");
// 按倍速键的计数器，按倍速键加1，duation时间后减1，并判断减完是否≤1，效果是最后一次按倍速键后才隐藏底部条。
let showCount = sessionStorage.getItem("show");
if(isEmpty(showCount)){
sessionStorage.setItem("show", 1);
}else{
sessionStorage.setItem("show", parseInt(showCount) + 1);
}
setTimeout(() => {
let showCount2 = sessionStorage.getItem("show");
if(showCount2 <= 1){
element.setAttribute("data-ctrl-hidden", "true");
sessionStorage.setItem("show", "");
}else{
sessionStorage.setItem("show", parseInt(showCount2) - 1);
}
}, duration);
}
if(site === 1){
const element = document.querySelector("#player > div.plugin_ctrl_txp_bottom");
element.classList.remove("txp_none");
setTimeout(() => {
element.classList.add("txp_none");
}, duration);
}
// box.style.display = "block";
// box.textContent = `倍速: ${playbackRate}`;
// clearTimeout(box.timeout);
// box.timeout = setTimeout(() => {
//     box.style.display = "none";
// }, 1500);
}
});
}
function isEmpty(item){
if(item===null || item===undefined || item.length===0){
return true;
}else{
return false;
}
}
// 快进、快退
// 初始化变量
let lastKeyPressTime = 0;
let keyPressCount = 0;
const doublePressThreshold = 300; // 两次按键的时间间隔阈值，单位毫秒
// 监听键盘按键事件
document.addEventListener('keydown', function (event) {
const currentTime = new Date().getTime();
// 检查按下的键是否是右箭头键或左箭头键
if (event.key === 'ArrowRight' || event.key === 'ArrowLeft') {
// 检查两次按键的时间间隔是否小于阈值
if (currentTime - lastKeyPressTime < doublePressThreshold) {
keyPressCount++; // 增加按键计数
} else {
keyPressCount = 1; // 重置按键计数
}
// 更新最后一次按键时间
lastKeyPressTime = currentTime;
// 获取视频元素
const video = document.querySelector('video');
if (video) {
if (event.key === 'ArrowRight') {
// 右箭头键逻辑
if (keyPressCount === 3) {
video.currentTime += 15; // 快进30秒
} else if (keyPressCount === 4) {
video.currentTime += 25; // 快进1分钟，即：25(快进25秒)+30(触发按3次的30秒)+5(触发默认的5秒)
keyPressCount = 0; // 重置计数
}
} else if (event.key === 'ArrowLeft') {
// 左箭头键逻辑
if (keyPressCount === 3) {
video.currentTime -= 15; // 快退30秒
} else if (keyPressCount === 4) {
video.currentTime -= 25; // 快退60秒
keyPressCount = 0; // 重置计数
}
}
}
} else {
// 如果按下其他键，重置计数
keyPressCount = 0;
}
});
function addCustomStyles() {
var css = `
.tool-box {
display: none;
position: absolute;
bottom: 11rem;
left: 50%;
transform: translate(-50%, 0%);
width: 5rem;
background: rgba(0, 0, 0, 0.7);
color: white;
padding: 0.5rem;
border-radius: 5px;
font-size: 1rem;
text-align: center;
z-index: 99999   !important;
}
`;
GM_addStyle(css);
}
addCustomStyles();
var box=getBox();
console.log(box);
document.body.appendChild(box);
function getBox(){
var box = document.createElement("div");
box.classList.add("tool-box");
return box;
}
}();