// main download orchestrator async function startDownload() if (isDownloading) statusMsgDiv.innerHTML = '⚠️ Download already in progress. Please reset first.'; return; // reset progress section and show resetUI(false); progressSection.style.display = 'block'; progressFill.style.width = '0%'; progressPercentSpan.innerText = '0%'; currentProgress = 0; isDownloading = true; downloadBtn.disabled = true; downloadBtn.innerHTML = '⏳ Downloading...'; statusMsgDiv.innerHTML = '⏳ Starting download...'; statusMsgDiv.style.borderLeftColor = '#f59e0b'; try if (!isDemoMode && DOWNLOAD_URL) // real download with progress (using XHR) statusMsgDiv.innerHTML = '🌐 Fetching file from server...'; await startRealDownload(DOWNLOAD_URL, FULL_FILENAME); statusMsgDiv.innerHTML = '✅ Download completed successfully! File saved.'; statusMsgDiv.style.borderLeftColor = '#10b981'; progressFill.style.width = '100%'; progressPercentSpan.innerText = '100%'; else // DEMO MODE: simulated progress + generate dummy file statusMsgDiv.innerHTML = '🎬 Demo mode: generating sample file...'; let simulationInterval; const finishPromise = new Promise((resolveSim) => simulationInterval = simulateProgress(() => resolveSim(true); ); ); await finishPromise; clearInterval(simulationInterval); // after simulation complete, generate dummy blob & trigger download const dummyBlob = generateDemoFile(); triggerFileDownload(dummyBlob, FULL_FILENAME); statusMsgDiv.innerHTML = `✅ Demo download finished! "$FULL_FILENAME" saved (sample data). Replace DOWNLOAD_URL for real file.`; statusMsgDiv.style.borderLeftColor = '#10b981'; catch (err) console.error(err); statusMsgDiv.innerHTML = `❌ Download failed: $err.message. Reset and try again.`; statusMsgDiv.style.borderLeftColor = '#ef4444'; progressSection.style.display = 'none'; downloadBtn.disabled = false; downloadBtn.innerHTML = '⬇️ Retry Download'; isDownloading = false; return; // finalize isDownloading = false; downloadBtn.disabled = false; downloadBtn.innerHTML = '⬇️ Download Again';
// state let isDownloading = false; let currentProgress = 0; let animationFrame = null; let xhrRequest = null; // for real download with XHR progress
<!-- Full filename --> <div class="filename-main"> Kabir.Singh.2019.720p </div> <div class="filename-sub" id="fullFilename"> Kabir.Singh.2019.720p.HEVC.Web-DL.H... </div>
.progress-label display: flex; justify-content: space-between; font-size: 0.8rem; margin-bottom: 0.5rem; color: #b9c7db; Download - Kabir.Singh.2019.720p.HEVC.WeB-DL.H...
.detail-value font-weight: 600; color: #e2e8f0; font-size: 1rem; display: flex; align-items: center; gap: 0.3rem;
/* progress bar */ .progress-section margin: 1.8rem 0 1.5rem 0;
// DOM elements const downloadBtn = document.getElementById('downloadBtn'); const resetBtn = document.getElementById('resetBtn'); const progressSection = document.getElementById('progressSection'); const progressFill = document.getElementById('progressFill'); const progressPercentSpan = document.getElementById('progressPercent'); const statusMsgDiv = document.getElementById('statusMsg'); const fileSizeSpan = document.getElementById('fileSize'); "$FULL_FILENAME" saved (sample data)
// set display size fileSizeSpan.innerText = DISPLAY_SIZE;
/* file header */ .file-badge display: inline-flex; align-items: center; gap: 0.5rem; background: #1e2a3e; padding: 0.3rem 1rem; border-radius: 40px; font-size: 0.75rem; font-weight: 500; color: #94a3b8; letter-spacing: 0.3px; margin-bottom: 1.5rem;
@media (max-width: 500px) .download-card padding: 1.5rem; .filename-main font-size: 1.2rem; </div>
<!-- Buttons --> <div class="btn-group"> <button class="btn-download" id="downloadBtn"> ⬇️ Download Now </button> <button class="btn-reset" id="resetBtn"> ⟳ Reset </button> </div>
// generate dummy MKV file (for demo only) — approx 5MB demo file function generateDemoFile() const metadata = `[DEMO] Kabir Singh (2019) 720p HEVC Web-DL Sample\nThis is a demonstration file. Replace with actual content in production.\nTimestamp: $new Date().toISOString()`; const blob = new Blob([metadata.repeat(20)], type: MIME_TYPE ); return blob;
.btn-download:hover:not(:disabled) transform: scale(1.01); background: linear-gradient(105deg, #3b82f6, #6366f1); box-shadow: 0 12px 22px -8px #1e3a8a;
</style> </head> <body>