image_server/frontend.html

58 lines
1.9 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Random Image</title>
<style>
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; overflow: hidden; background: #1a1a1a; }
img { display: block; max-width: 100%; max-height: 100%; margin: auto; cursor: pointer; }
</style>
</head>
<body>
<img id="random-img" alt="Random image">
<script>
let currentData = null;
function loadImageSrc(hash) {
document.getElementById('random-img').src = '/' + hash + '/data';
history.replaceState(null, '', '#' + hash);
}
async function loadInfo(hash) {
const response = await fetch('/' + hash);
currentData = await response.json();
loadImageSrc(currentData.img);
}
async function loadRandom() {
const response = await fetch('/random?' + Date.now());
const data = await response.json();
await loadInfo(data.img);
}
document.getElementById('random-img').addEventListener('click', loadRandom);
document.addEventListener('keydown', function(e) {
if (e.code === 'Space') {
e.preventDefault();
loadRandom();
} else if (e.code === 'ArrowLeft' && currentData && currentData.previous) {
e.preventDefault();
loadInfo(currentData.previous);
} else if (e.code === 'ArrowRight' && currentData && currentData.next) {
e.preventDefault();
loadInfo(currentData.next);
}
});
const hash = window.location.hash.slice(1);
if (hash) {
loadInfo(hash);
} else {
loadRandom();
}
</script>
</body>
</html>