拖拽弹窗，滑块设置分钟+秒，右上角显示剩余时间
目前為
// ==UserScript==
// @name 定时关闭网页
// @namespace https://github.com/yingchen6
// @version 1.8.7.10
// @description 拖拽弹窗，滑块设置分钟+秒，右上角显示剩余时间
// @author yingchen6
// @match *://*/*
// @grant GM_registerMenuCommand
// @license MIT
// @require https://unpkg.com/sweetalert/dist/sweetalert.min.js
// ==/UserScript==
(function(){
'use strict';
let timerId=null;
let remainingSeconds=0;
let totalSeconds=0;
let ball=null;
let canvas=null;
let paused=false;
let theme='green'; // 默认主题
const THEMES={
green:{bg:'rgba(150,180,160,0.6)',progress:'#5B7A63',panel:'rgba(150,180,160,0.5)',label:'#ffffff',btnBg:'#8DA897',btnText:'#fff'},
bluegray:{bg:'rgba(120,140,160,0.6)',progress:'#3E586C',panel:'rgba(120,140,160,0.5)',label:'#ffffff',btnBg:'#708090',btnText:'#fff'},
yellow:{bg:'rgba(200,180,120,0.6)',progress:'#A1864D',panel:'rgba(200,180,120,0.5)',label:'#ffffff',btnBg:'#BFA76F',btnText:'#fff'},
purple:{bg:'rgba(160,140,180,0.6)',progress:'#7A637A',panel:'rgba(160,140,180,0.5)',label:'#ffffff',btnBg:'#8F7090',btnText:'#fff'}
};
function formatTime(seconds){
const m=Math.floor(seconds/60);
const s=seconds%60;
return `${m}:${s.toString().padStart(2,'0')}`;
}
function createBall(minutes){
totalSeconds=remainingSeconds=minutes*60;
paused=false;
if(ball) ball.remove();
ball=document.createElement("div");
ball.id="timer-ball";
Object.assign(ball.style,{
position:"fixed",top:"20px",left:"20px",width:"120px",height:"120px",
borderRadius:"50%",zIndex:"999999",cursor:"grab",display:"flex",
justifyContent:"center",alignItems:"center",userSelect:"none",
background:THEMES[theme].bg,boxShadow:"0 8px 25px rgba(0,0,0,0.5)"
});
document.body.appendChild(ball);
canvas=document.createElement("canvas");
canvas.width=120;canvas.height=120;
canvas.style.position="absolute";canvas.style.top="0";canvas.style.left="0";
ball.appendChild(canvas);
const label=document.createElement("div");
label.id="timer-label";
Object.assign(label.style,{position:"absolute",color:THEMES[theme].label,fontWeight:"bold",fontSize:"20px"});
ball.appendChild(label);
const pauseBtn=document.createElement("div");
pauseBtn.id="pause-btn";
Object.assign(pauseBtn.style,{
position:"absolute",bottom:"10px",fontSize:"16px",color:THEMES[theme].btnText,
background:THEMES[theme].btnBg,borderRadius:"10px",padding:"6px 12px",cursor:"pointer"
});
pauseBtn.textContent="暂停";
ball.appendChild(pauseBtn);
pauseBtn.addEventListener("click",e=>{
e.stopPropagation();
paused=!paused;
pauseBtn.textContent=paused?"继续":"暂停";
});
// 拖拽 + 双击修改时间
let isDown=false,isDragging=false,startX=0,startY=0,downTime=0;
ball.addEventListener("mousedown",e=>{
if(e.target===pauseBtn) return;
isDown=true;isDragging=false;
startX=e.clientX-ball.offsetLeft;startY=e.clientY-ball.offsetTop;
downTime=Date.now();
ball.style.cursor="grabbing";
});
document.addEventListener("mousemove",e=>{
if(!isDown) return;
const dx=e.clientX-startX-ball.offsetLeft;
const dy=e.clientY-startY-ball.offsetTop;
if(Math.sqrt(dx*dx+dy*dy)>5)isDragging=true;
if(isDragging){
ball.style.left=(e.clientX-startX)+"px";
ball.style.top=(e.clientY-startY)+"px";
}
});
document.addEventListener("mouseup",e=>{
if(!isDown) return;
isDown=false;
ball.style.cursor="grab";
const elapsed=Date.now()-downTime;
if(!isDragging && elapsed<400){
showTimeSetting(); // 双击打开剩余时间设置
}
});
startCountdown(minutes);
}
function startCountdown(minutes){
totalSeconds=remainingSeconds=minutes*60;
paused=false;
if(timerId) clearInterval(timerId);
timerId=setInterval(()=>{
if(!paused){
remainingSeconds--;
if(remainingSeconds<=0){clearInterval(timerId);window.location.href="about:blank";return;}
const label=document.getElementById("timer-label");
label.textContent=formatTime(remainingSeconds);
const ctx=canvas.getContext("2d");
ctx.clearRect(0,0,canvas.width,canvas.height);
ctx.beginPath();
ctx.arc(canvas.width/2,canvas.height/2,50,0,2*Math.PI);
ctx.strokeStyle="rgba(255,255,255,0.2)";
ctx.lineWidth=10;ctx.stroke();
const fraction=remainingSeconds/totalSeconds;
ctx.beginPath();
ctx.arc(canvas.width/2,canvas.height/2,50,-Math.PI/2,-Math.PI/2+2*Math.PI*fraction);
ctx.strokeStyle=THEMES[theme].progress;
ctx.lineWidth=10;ctx.lineCap="round";ctx.stroke();
}
},1000);
}
function showTimeSetting(){
const wrapper=document.createElement("div");
Object.assign(wrapper.style,{
display:"flex",flexDirection:"column",alignItems:"center",gap:"10px",
padding:"20px",borderRadius:"14px",background:THEMES[theme].panel,position:"fixed",top:"50%",left:"50%",
transform:"translate(-50%,-50%)",zIndex:"999999",boxShadow:"0 6px 20px rgba(0,0,0,0.3)"
});
wrapper.innerHTML=`
<div style="font-size:22px;font-weight:bold;color:${THEMES[theme].label};margin-bottom:12px;">设置倒计时</div>
<label>分钟: <input id="timeMin" type="range" min="0" max="180" step="1" value="${Math.floor(remainingSeconds/60)}"></label>
<span id="minLabel">${Math.floor(remainingSeconds/60)}</span> 分钟
<label>秒: <input id="timeSec" type="range" min="0" max="59" step="1" value="${remainingSeconds%60}"></label>
<span id="secLabel">${remainingSeconds%60}</span> 秒
<div style="display:flex;gap:10px;margin-top:12px;">
<button id="confirmBtn" style="padding:8px 16px;border:none;border-radius:10px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};cursor:pointer;">确认</button>
<button id="cancelBtn" style="padding:8px 16px;border:none;border-radius:10px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};cursor:pointer;">取消</button>
</div>
`;
document.body.appendChild(wrapper);
const minInput=wrapper.querySelector("#timeMin");
const secInput=wrapper.querySelector("#timeSec");
const minLabel=wrapper.querySelector("#minLabel");
const secLabel=wrapper.querySelector("#secLabel");
minInput.addEventListener("input",()=>{minLabel.textContent=minInput.value;});
secInput.addEventListener("input",()=>{secLabel.textContent=secInput.value;});
wrapper.querySelector("#confirmBtn").addEventListener("click",()=>{
const min=parseInt(minInput.value);
const sec=parseInt(secInput.value);
remainingSeconds=totalSeconds=min*60+sec;
wrapper.remove();
createBall(Math.ceil(totalSeconds/60));
});
wrapper.querySelector("#cancelBtn").addEventListener("click",()=>{wrapper.remove();});
}
function registerMenu(){
if(typeof GM_registerMenuCommand==="undefined") return;
GM_registerMenuCommand("开始计时", showTimeSetting);
}
setTimeout(registerMenu, 500);
})();