Melo v2.10 - YouTube Proxy, Download-Screen, Logger, iOS
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Hermes (Server)
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import 'package:flutter/material.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import '../services/download_service.dart';
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import '../utils/farb_theme.dart';
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import '../services/melo_logger.dart';
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class DownloadScreen extends StatefulWidget {
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final DownloadService downloader;
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final VoidCallback onSongsChanged;
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const DownloadScreen({
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super.key,
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required this.downloader,
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required this.onSongsChanged,
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});
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@override
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State<DownloadScreen> createState() => _DownloadScreenState();
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}
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class _DownloadScreenState extends State<DownloadScreen> {
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final _urlController = TextEditingController();
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bool _ladt = false;
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String? _fehler;
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String? _erfolg;
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String _speicherOrt = 'App-intern';
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bool _speichertInDownloads = false;
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@override
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void initState() {
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super.initState();
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_ladeSpeicherPfad();
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}
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Future<void> _ladeSpeicherPfad() async {
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final prefs = await SharedPreferences.getInstance();
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final inDownloads = prefs.getBool('download_in_downloads') ?? false;
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if (inDownloads) {
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final dir = await getDownloadsDirectory();
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if (dir != null) {
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final pfad = '${dir.path}/Melo';
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widget.downloader.setzeSpeicherPfad(pfad);
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setState(() {
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_speichertInDownloads = true;
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_speicherOrt = '⬇ Downloads/Melo';
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});
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}
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}
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}
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Future<void> _ordnerDialog() async {
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final auswahl = await showDialog<String>(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: MeloTheme.dunkel1,
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title: const Text('Speicherort', style: TextStyle(color: Colors.white, fontSize: 16)),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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_optionTile(ctx, '📁 App-intern (Music/)', 'intern',
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icon: Icons.phone_android),
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const Divider(color: MeloTheme.dunkel2),
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_optionTile(ctx, '⬇ Downloads/Melo', 'downloads',
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icon: Icons.download),
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],
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),
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),
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);
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if (auswahl == null) return;
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final prefs = await SharedPreferences.getInstance();
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if (auswahl == 'downloads') {
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final dir = await getDownloadsDirectory();
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if (dir != null) {
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final pfad = '${dir.path}/Melo';
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await prefs.setBool('download_in_downloads', true);
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widget.downloader.setzeSpeicherPfad(pfad);
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setState(() {
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_speichertInDownloads = true;
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_speicherOrt = '⬇ Downloads/Melo';
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});
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}
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} else {
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await prefs.setBool('download_in_downloads', false);
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widget.downloader.setzeSpeicherPfad('');
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setState(() {
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_speichertInDownloads = false;
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_speicherOrt = '📁 App-intern (Music/)';
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});
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}
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}
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Widget _optionTile(BuildContext ctx, String label, String wert,
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{required IconData icon}) {
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return ListTile(
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leading: Icon(icon, color: MeloTheme.rot, size: 20),
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title: Text(label,
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style: const TextStyle(color: Colors.white, fontSize: 13)),
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onTap: () => Navigator.pop(ctx, wert),
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);
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}
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void _starteDownload() async {
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final input = _urlController.text.trim();
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if (input.isEmpty) {
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setState(() => _fehler = 'Bitte eine YouTube-URL einfügen');
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return;
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}
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setState(() { _ladt = true; _fehler = null; _erfolg = null; });
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MeloLogger().aktion('download_start', {'url': input.substring(0, 40)});
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final anzahl = await widget.downloader.downloadBatch(input);
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if (mounted) {
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setState(() {
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_ladt = false;
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if (anzahl > 0) {
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_erfolg = '✅ $anzahl Song${anzahl > 1 ? 's' : ''} gespeichert';
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} else {
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_fehler = widget.downloader.fehler ?? 'Download fehlgeschlagen';
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}
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});
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widget.onSongsChanged();
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}
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}
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void _abbrechen() {
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widget.downloader.abbrechen();
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: MeloTheme.schwarz,
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appBar: AppBar(
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backgroundColor: MeloTheme.dunkel1,
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title: const Row(children: [
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Icon(Icons.download, color: MeloTheme.rot, size: 20),
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SizedBox(width: 8),
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Text('Downloads', style: TextStyle(color: Colors.white, fontSize: 18)),
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]),
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actions: [
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if (_erfolg != null || _fehler != null)
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IconButton(
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icon: const Icon(Icons.refresh, color: Colors.grey, size: 20),
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onPressed: () => setState(() { _fehler = null; _erfolg = null; _urlController.clear(); }),
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),
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],
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),
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body: Padding(
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padding: const EdgeInsets.all(20),
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child: Column(
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children: [
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// ─── Zielordner ───
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GestureDetector(
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onTap: _ladt ? null : _ordnerDialog,
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: MeloTheme.dunkel1,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: MeloTheme.dunkel2),
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),
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child: Row(children: [
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const Icon(Icons.folder, color: MeloTheme.rot, size: 18),
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const SizedBox(width: 8),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text('Speicherort', style: TextStyle(color: Colors.grey, fontSize: 11)),
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Text(_speicherOrt, style: const TextStyle(color: Colors.white, fontSize: 13)),
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],
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),
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),
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const Icon(Icons.chevron_right, color: Colors.grey, size: 18),
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]),
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),
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),
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const SizedBox(height: 12),
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// ─── Eingabefeld ───
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TextField(
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controller: _urlController,
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enabled: !_ladt,
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maxLines: 3,
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style: const TextStyle(color: Colors.white, fontSize: 14),
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decoration: InputDecoration(
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hintText: 'YouTube-URL hier einfügen...\n\nMehrere URLs: eine pro Zeile\nPlaylists werden erkannt 🎯',
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hintStyle: const TextStyle(color: Colors.grey, fontSize: 13),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(12)),
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filled: true,
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fillColor: MeloTheme.dunkel1,
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contentPadding: const EdgeInsets.all(16),
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),
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),
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const SizedBox(height: 12),
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// ─── Download- & Abbruch-Button ───
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Row(
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children: [
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Expanded(
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flex: _ladt ? 3 : 1,
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child: SizedBox(
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height: 48,
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child: ElevatedButton.icon(
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onPressed: _ladt ? null : _starteDownload,
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icon: _ladt
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? const SizedBox(width: 20, height: 20,
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child: CircularProgressIndicator(strokeWidth: 2, color: Colors.white))
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: const Icon(Icons.download, size: 20),
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label: Text(_ladt ? 'Lade herunter...' : '⬇ Download'),
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style: ElevatedButton.styleFrom(
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backgroundColor: MeloTheme.rot,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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),
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),
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),
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if (_ladt) ...[
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const SizedBox(width: 8),
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Expanded(
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flex: 1,
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child: SizedBox(
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height: 48,
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child: ElevatedButton.icon(
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onPressed: _abbrechen,
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icon: const Icon(Icons.cancel, size: 20),
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label: const Text('Stop'),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red.shade800,
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foregroundColor: Colors.white,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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),
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),
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),
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],
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],
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),
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const SizedBox(height: 16),
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// ─── Live-Status via ListenableBuilder ───
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if (_ladt)
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ListenableBuilder(
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listenable: widget.downloader,
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builder: (context, _) {
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final status = widget.downloader.aktuellerTitel;
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final fortschritt = widget.downloader.fortschritt;
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: MeloTheme.dunkel1,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(children: [
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if (status != null) ...[
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Text(status,
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style: const TextStyle(color: Colors.white70, fontSize: 13),
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textAlign: TextAlign.center),
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],
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if (fortschritt > 0) ...[
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const SizedBox(height: 8),
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LinearProgressIndicator(
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value: fortschritt,
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color: MeloTheme.rot,
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backgroundColor: MeloTheme.dunkel2),
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const SizedBox(height: 4),
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Text('${(fortschritt * 100).toStringAsFixed(0)}%',
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style: const TextStyle(color: Colors.grey, fontSize: 11)),
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],
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]),
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);
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},
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),
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// ─── Erfolg ───
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if (_erfolg != null)
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: MeloTheme.dunkel1,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.green.withValues(alpha: 0.3)),
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),
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child: Row(children: [
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const Icon(Icons.check_circle, color: Colors.green, size: 24),
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const SizedBox(width: 12),
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Expanded(child: Text(_erfolg!, style: const TextStyle(color: Colors.green, fontSize: 13))),
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]),
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),
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// ─── Fehler ───
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if (_fehler != null)
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Container(
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width: double.infinity,
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: MeloTheme.dunkel1,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.red.withValues(alpha: 0.3)),
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),
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child: Row(children: [
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const Icon(Icons.error_outline, color: Colors.red, size: 24),
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const SizedBox(width: 12),
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Expanded(child: Text(_fehler!, style: const TextStyle(color: Colors.red, fontSize: 13))),
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]),
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),
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const Spacer(),
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// ─── Tipps ───
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Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: MeloTheme.dunkel1,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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const Text('💡 Tipps', style: TextStyle(color: Colors.grey, fontSize: 12, fontWeight: FontWeight.w600)),
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const SizedBox(height: 6),
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_tipp('Einzel-URL: youtube.com/watch?v=...'),
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_tipp('Playlist: youtube.com/playlist?list=...'),
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_tipp('Mehrere: eine URL pro Zeile'),
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_tipp('Cooldown: 5s zwischen Downloads ⏱'),
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],
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),
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),
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const SizedBox(height: 20),
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],
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),
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),
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);
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}
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Widget _tipp(String text) {
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return Padding(
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padding: const EdgeInsets.only(bottom: 4),
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child: Row(children: [
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const Text('• ', style: TextStyle(color: MeloTheme.rot, fontSize: 12)),
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Expanded(child: Text(text, style: const TextStyle(color: Colors.grey, fontSize: 11))),
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]),
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);
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}
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}
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