拖拽弹窗，滑块设置分钟+秒，左上角小球显示剩余时间，可切换主题
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// ==UserScript==
// @name 定时关闭网页
// @namespace https://github.com/yingchen6
// @version 1.8.19.12
// @description 拖拽弹窗，滑块设置分钟+秒，左上角小球显示剩余时间，可切换主题
// @author yingchen6
// @match *://*/*
// @grant GM_registerMenuCommand
// @license MIT
// ==/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';
let settingPanel=null; // 确保同时只存在一个设置面板
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'},
blackgray:{bg:'rgba(50,50,50,0.7)',progress:'#222',panel:'rgba(60,60,60,0.8)',label:'#ffffff',btnBg:'#444',btnText:'#fff'},
pink:{bg:'rgba(255,182,193,0.6)',progress:'#FF69B4',panel:'rgba(255,182,193,0.5)',label:'#fff',btnBg:'#FF99CC',btnText:'#fff'}
};
function formatTime(seconds){
const m=Math.floor(seconds/60);
const s=seconds%60;
return `${m}:${s.toString().padStart(2,'0')}`;
}
function createBall(seconds){
totalSeconds=remainingSeconds=seconds;
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 + 单击打开设置
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();
}
});
startCountdown(seconds);
}
function startCountdown(seconds){
totalSeconds=remainingSeconds=seconds;
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");
if(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(){
// 防止重复打开多个
if(settingPanel){ settingPanel.remove(); settingPanel=null; }
const wrapper=document.createElement("div");
settingPanel=wrapper;
Object.assign(wrapper.style,{
display:"flex",
flexDirection:"column",
alignItems:"center",
gap:"10px",
padding:"15px",
borderRadius:"12px",
background:THEMES[theme].panel,
position:"fixed",
top:`${window.innerHeight/2 - 150}px`,
left:`${window.innerWidth/2 - 150}px`,
transform:"translate(0,0)",
zIndex:"1000000",
cursor:"grab",
minWidth:"450px"
});
wrapper.innerHTML=`
<div style="width:100%;display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;">
<div style="font-size:35px;font-weight:bold;color:${THEMES[theme].label}">设 置 倒 计 时 </div>
<select id="themeSelect" style="border-radius:6px;padding:6px 10px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};border:none;cursor:pointer;">
<option value="green">莫兰迪绿</option>
<option value="bluegray">蓝灰</option>
<option value="yellow">莫兰迪黄</option>
<option value="purple">莫兰迪紫</option>
<option value="blackgray">黑灰</option>
<option value="pink">莫兰迪粉</option>
</select>
</div>
<div style="display:flex;align-items:center;gap:8px;width:100%;">
<button id="minMinus" style="border:none;border-radius:50%;width:32px;height:32px;line-height:32px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};cursor:pointer;font-weight:bold;font-size:30px;">-</button>
<input id="timeMin" type="range" min="0" max="180" step="1" value="${Math.floor(remainingSeconds/60)}" style="flex:1;">
<button id="minPlus" style="border:none;border-radius:50%;width:32px;height:32px;line-height:32px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};cursor:pointer;font-weight:bold;font-size:30px;">+</button>
<span id="minLabel" style="min-width:70px;text-align:center;font-weight:bold;font-size:30px;color:${THEMES[theme].label};">${Math.floor(remainingSeconds/60)} 分</span>
</div>
<div style="display:flex;align-items:center;gap:8px;width:100%;">
<button id="secMinus" style="border:none;border-radius:50%;width:32px;height:32px;line-height:32px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};cursor:pointer;font-weight:bold;font-size:30px;">-</button>
<input id="timeSec" type="range" min="0" max="59" step="1" value="${remainingSeconds%60}" style="flex:1;">
<button id="secPlus" style="border:none;border-radius:50%;width:32px;height:32px;line-height:32px;background:${THEMES[theme].btnBg};color:${THEMES[theme].btnText};cursor:pointer;font-weight:bold;font-size:30px;">+</button>
<span id="secLabel" style="min-width:70px;text-align:center;font-weight:bold;font-size:30px;color:${THEMES[theme].label};">${remainingSeconds%60} 秒</span>
</div>
<div style="display:flex;gap:15px;margin-top:25px;width:100%;">
<button id="confirmBtn" style="font-size:25px;font-weight:bold;">确认</button>
<button id="cancelBtn" style="font-size:25px;font-weight:bold;">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+" 分钟";});
secInput.addEventListener("input",()=>{secLabel.textContent=secInput.value+" 秒";});
// 加减按钮
wrapper.querySelector("#minMinus").addEventListener("click",()=>{
if(minInput.value>0) minInput.value--;
minLabel.textContent=minInput.value+" 分钟";
});
wrapper.querySelector("#minPlus").addEventListener("click",()=>{
if(minInput.value<180) minInput.value++;
minLabel.textContent=minInput.value+" 分钟";
});
wrapper.querySelector("#secMinus").addEventListener("click",()=>{
if(secInput.value>0) secInput.value--;
secLabel.textContent=secInput.value+" 秒";
});
wrapper.querySelector("#secPlus").addEventListener("click",()=>{
if(secInput.value<59) secInput.value++;
secLabel.textContent=secInput.value+" 秒";
});
function styleBtn(btn){
Object.assign(btn.style,{
padding:"8px 14px",border:"none",borderRadius:"8px",
fontSize:"25px",fontWeight:"bold",
background:THEMES[theme].btnBg,color:THEMES[theme].btnText,
cursor:"pointer",flex:"1"
});
}
styleBtn(wrapper.querySelector("#confirmBtn"));
styleBtn(wrapper.querySelector("#cancelBtn"));
// 面板拖动
let isDown=false,startX=0,startY=0;
wrapper.addEventListener("mousedown",e=>{
if(["confirmBtn","cancelBtn","themeSelect","timeMin","timeSec"].includes(e.target.id) || e.target.tagName==="INPUT") return;
isDown=true;
startX=e.clientX-wrapper.offsetLeft;
startY=e.clientY-wrapper.offsetTop;
wrapper.style.cursor="grabbing";
});
document.addEventListener("mousemove",e=>{
if(!isDown) return;
wrapper.style.left=(e.clientX-startX)+"px";
wrapper.style.top=(e.clientY-startY)+"px";
wrapper.style.transform="translate(0,0)";
});
document.addEventListener("mouseup",()=>{isDown=false; wrapper.style.cursor="grab";});
// 主题选择
const themeSelect=wrapper.querySelector("#themeSelect");
themeSelect.value=theme;
themeSelect.addEventListener("change",()=>{ theme=themeSelect.value; });
// 确认
wrapper.querySelector("#confirmBtn").addEventListener("click",()=>{
const min=parseInt(minInput.value);
const sec=parseInt(secInput.value);
remainingSeconds=totalSeconds=min*60+sec;
wrapper.remove(); settingPanel=null;
createBall(totalSeconds);
});
// 取消
wrapper.querySelector("#cancelBtn").addEventListener("click",()=>{wrapper.remove(); settingPanel=null;});
}
function registerMenu(){
if(typeof GM_registerMenuCommand==="undefined") return;
GM_registerMenuCommand("开始计时", showTimeSetting);
}
setTimeout(registerMenu, 500);
})();