163 lines
4.8 KiB
HTML
163 lines
4.8 KiB
HTML
<!DOCTYPE html>
|
|
<html lang="en">
|
|
<head>
|
|
<meta charset="UTF-8" />
|
|
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
|
|
<title>Countdown Timer</title>
|
|
<description>A simple large display countdown timer, its just counts down</description>
|
|
<meta property="og:title" content="Countdown Timer" />
|
|
<meta property="og:image" content="http://shots.wayl.one/shot/?url=https://timer.wayl.one/&height=630&width=1200&scaled_width=1200&scaled_height=630&selectors=" />
|
|
<meta property="og:description" content="A simple large display countdown timer, its just counts down" />
|
|
<meta property="og:url" content="https://timer.wayl.one/" />
|
|
<meta property="og:type" content="website" />
|
|
<meta property="og:site_name" content="Countdown Timer" />
|
|
<meta name="twitter:card" content="summary_large_image" />
|
|
<meta name="twitter:title" content="Countdown Timer" />
|
|
<meta name="twitter:description" content="A simple large display countdown timer, its just counts down" />
|
|
<meta name="twitter:image" content="http://shots.wayl.one/shot/?url=https://timer.wayl.one/&height=630&width=1200&scaled_width=1200&scaled_height=640&selectors=" />
|
|
<style>
|
|
html, body {
|
|
margin: 0;
|
|
padding: 0;
|
|
background: black;
|
|
color: lime;
|
|
height: 100%;
|
|
display: flex;
|
|
flex-direction: column;
|
|
align-items: center;
|
|
justify-content: center;
|
|
font-family: monospace;
|
|
user-select: none;
|
|
}
|
|
|
|
#title {
|
|
font-size: 4vw;
|
|
margin-bottom: 2vh;
|
|
outline: none;
|
|
text-align: center;
|
|
}
|
|
|
|
#countdown {
|
|
font-size: 20vw;
|
|
padding: 0 5vw;
|
|
text-align: center;
|
|
white-space: nowrap;
|
|
cursor: pointer;
|
|
}
|
|
</style>
|
|
</head>
|
|
<body>
|
|
<div id="title" contenteditable="true">Click to Edit Title</div>
|
|
<div id="countdown" contenteditable="true">00:05:00</div>
|
|
|
|
<script>
|
|
const countdownEl = document.getElementById("countdown");
|
|
|
|
let endTime = null;
|
|
let timerRunning = false;
|
|
let wakeLock = null;
|
|
|
|
function parseTime(text) {
|
|
const parts = text.split(":").map(p => parseInt(p, 10));
|
|
if (parts.length === 3) {
|
|
const [h, m, s] = parts;
|
|
return (h * 3600 + m * 60 + s) * 1000;
|
|
} else if (parts.length === 2) {
|
|
const [m, s] = parts;
|
|
return (m * 60 + s) * 1000;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
function formatTime(ms) {
|
|
let totalSeconds = Math.floor(ms / 1000);
|
|
const h = Math.floor(totalSeconds / 3600);
|
|
const m = Math.floor((totalSeconds % 3600) / 60);
|
|
const s = totalSeconds % 60;
|
|
|
|
return (
|
|
String(h).padStart(2, "0") + ":" +
|
|
String(m).padStart(2, "0") + ":" +
|
|
String(s).padStart(2, "0")
|
|
);
|
|
}
|
|
|
|
function startCountdown(durationMs) {
|
|
const now = Date.now();
|
|
endTime = now + durationMs;
|
|
timerRunning = true;
|
|
updateCountdown();
|
|
}
|
|
|
|
function updateCountdown() {
|
|
if (!timerRunning) return;
|
|
|
|
const now = Date.now();
|
|
const remaining = endTime - now;
|
|
|
|
if (remaining <= 0) {
|
|
countdownEl.textContent = "00:00:00";
|
|
timerRunning = false;
|
|
return;
|
|
}
|
|
|
|
countdownEl.textContent = formatTime(remaining);
|
|
requestAnimationFrame(updateCountdown);
|
|
}
|
|
|
|
countdownEl.addEventListener("blur", () => {
|
|
const text = countdownEl.textContent.trim();
|
|
const ms = parseTime(text);
|
|
if (ms > 0) {
|
|
startCountdown(ms);
|
|
}
|
|
});
|
|
|
|
countdownEl.addEventListener("keydown", (e) => {
|
|
if (e.key === "Enter") {
|
|
countdownEl.blur();
|
|
e.preventDefault();
|
|
}
|
|
});
|
|
|
|
// Support query params (e.g. ?min=3&sec=30)
|
|
function getInitialTimeFromQuery(urlParams) {
|
|
const hr = parseInt(urlParams.get("hr") || "0", 10);
|
|
const min = parseInt(urlParams.get("min") || "0", 10);
|
|
const sec = parseInt(urlParams.get("sec") || "0", 10);
|
|
const totalMs = (hr * 3600 + min * 60 + sec) * 1000;
|
|
return totalMs > 0 ? totalMs : 5 * 60 * 1000; // default to 5 min
|
|
}
|
|
|
|
// Keep screen awake
|
|
async function requestWakeLock() {
|
|
try {
|
|
if ("wakeLock" in navigator) {
|
|
wakeLock = await navigator.wakeLock.request("screen");
|
|
console.log("Wake lock acquired");
|
|
}
|
|
} catch (err) {
|
|
console.warn("Wake lock not available:", err);
|
|
}
|
|
}
|
|
|
|
document.addEventListener("visibilitychange", () => {
|
|
if (wakeLock && document.visibilityState === "visible") {
|
|
requestWakeLock();
|
|
}
|
|
});
|
|
|
|
// Start
|
|
const urlParams = new URLSearchParams(window.location.search);
|
|
const initialMs = getInitialTimeFromQuery(urlParams);
|
|
countdownEl.textContent = formatTime(initialMs);
|
|
const title = urlParams.get("title");
|
|
if (title) {
|
|
document.getElementById("title").textContent = title;
|
|
}
|
|
startCountdown(initialMs);
|
|
requestWakeLock();
|
|
</script>
|
|
</body>
|
|
</html>
|
|
|