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<script lang="ts">
import { listen } from "@tauri-apps/api/event";
import { onMount, onDestroy } from "svelte";
export let visible = false;
interface DownloadEvent {
file: string;
downloaded: number; // in bytes
total: number; // in bytes
status: string;
}
let currentFile = "";
let progress = 0; // percentage 0-100
let totalFiles = 0;
let statusText = "Preparing...";
let unlistenProgress: () => void;
let unlistenStart: () => void;
let unlistenComplete: () => void;
let downloadedBytes = 0;
let totalBytes = 0;
onMount(async () => {
unlistenStart = await listen<number>("download-start", (event) => {
visible = true;
totalFiles = event.payload;
progress = 0;
statusText = "Starting download...";
currentFile = "";
});
unlistenProgress = await listen<DownloadEvent>("download-progress", (event) => {
const payload = event.payload;
currentFile = payload.file;
// Simple file progress for now. Global progress would require tracking all files.
// For single file (Client jar), this is accurate.
downloadedBytes = payload.downloaded;
totalBytes = payload.total;
statusText = payload.status;
if (payload.total > 0) {
progress = (payload.downloaded / payload.total) * 100;
}
});
unlistenComplete = await listen("download-complete", () => {
statusText = "Done!";
progress = 100;
setTimeout(() => { visible = false; }, 2000);
});
});
onDestroy(() => {
if (unlistenProgress) unlistenProgress();
if (unlistenStart) unlistenStart();
if (unlistenComplete) unlistenComplete();
});
function formatBytes(bytes: number) {
if (bytes === 0) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return parseFloat((bytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
}
</script>
{#if visible}
<div class="fixed bottom-28 right-8 z-50 w-80 bg-zinc-900/90 backdrop-blur-md border border-zinc-700 rounded-lg shadow-2xl p-4 animate-in slide-in-from-right-10 fade-in duration-300">
<div class="flex items-center justify-between mb-2">
<h3 class="text-white font-bold text-sm">Downloads</h3>
<span class="text-xs text-zinc-400">{statusText}</span>
</div>
<div class="text-xs text-zinc-300 truncate mb-1" title={currentFile}>
{currentFile || "Waiting..."}
</div>
<!-- Progress Bar -->
<div class="w-full bg-zinc-800 rounded-full h-2 mb-2 overflow-hidden">
<div class="bg-gradient-to-r from-green-500 to-emerald-400 h-2 rounded-full transition-all duration-200" style="width: {progress}%"></div>
</div>
<div class="flex justify-between text-[10px] text-zinc-500 font-mono">
<span>{formatBytes(downloadedBytes)} / {formatBytes(totalBytes)}</span>
<span>{Math.round(progress)}%</span>
</div>
</div>
{/if}
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