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Feature request: Add simple download HTML page #65

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Feature request: Add simple download HTML page #65

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102 changes: 102 additions & 0 deletions app/src/main/assets/simple-download.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,102 @@
<!DOCTYPE html>
<html lang="en">

<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Simple Download</title>
<style>
body {
font-family: Arial, sans-serif;
padding: 20px;
margin: 0;
}

h1 {
font-size: 32px;
margin-bottom: 20px;
}

#file-list {
list-style: none;
padding: 0;
}

#file-list li {
margin-bottom: 10px;
}

#file-list a {
font-size: 24px;
color: black;
text-decoration: underline;
}

#error-message {
color: #cc0000;
font-size: 18px;
}
</style>
</head>

<body>
<h1>Available Files</h1>
<ul id="file-list"></ul>
<p id="error-message"></p>

<script>
function loadFiles() {
var fileList = document.getElementById('file-list');
var errorMessage = document.getElementById('error-message');
var xhr = new XMLHttpRequest();

xhr.onreadystatechange = function () {
if (xhr.readyState === 4 && xhr.status === 200) {
try {
var data = JSON.parse(xhr.responseText);
var files = data.files;
var i, len, file, li, a, fragment;

if (!files || files.length === 0) {
errorMessage.innerHTML = 'No files available for download.';
return;
}

// Use DocumentFragment for batch DOM update (much faster on old devices)
fragment = document.createDocumentFragment();

for (i = 0, len = files.length; i < len; i++) {
file = files[i];
li = document.createElement('li');
a = document.createElement('a');
a.href = file.downloadUrl;
a.setAttribute('download', file.name);
a.innerHTML = file.name;
li.appendChild(a);
fragment.appendChild(li);
}

// Single DOM update - triggers only one reflow
fileList.appendChild(fragment);

} catch (error) {
errorMessage.innerHTML = 'Error loading files. Please try again later.';
}
} else if (xhr.readyState === 4) {
errorMessage.innerHTML = 'Error loading files. Please try again later.';
}
};

xhr.open('GET', '/api/files', true);
xhr.send();
}

if (document.addEventListener) {
document.addEventListener('DOMContentLoaded', loadFiles);
} else {
window.onload = loadFiles;
}
</script>
</body>

</html>