333 lines
11 KiB
Dart
333 lines
11 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_animate/flutter_animate.dart';
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import 'package:provider/provider.dart';
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import 'package:shimmer/shimmer.dart' as shimmer;
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import '../estado/estado_radio.dart';
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import '../widgets/pluri_glass_surface.dart';
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import '../widgets/pluri_icon.dart';
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import '../widgets/pluri_layout.dart';
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import '../widgets/pluri_premium_widgets.dart';
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import 'package:pluriwave/widgets/tarjeta_emisora.dart';
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import 'reproducir_minimizado.dart';
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/// Pantalla principal: emisoras populares y por género.
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class PantallaInicio extends StatefulWidget {
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const PantallaInicio({super.key});
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@override
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State<PantallaInicio> createState() => _PantallaInicioState();
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}
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class _PantallaInicioState extends State<PantallaInicio> {
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static const _generos = [
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'pop',
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'rock',
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'jazz',
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'classical',
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'electronic',
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'news',
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'talk',
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'hip-hop',
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'country',
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'metal',
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'reggae',
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'latin',
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];
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String? _generoSeleccionado;
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@override
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Widget build(BuildContext context) {
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final estado = context.watch<EstadoRadio>();
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final theme = Theme.of(context);
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return RefreshIndicator(
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onRefresh: estado.cargarPopulares,
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child: CustomScrollView(
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slivers: [
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SliverToBoxAdapter(child: _heroHeader(context, estado)),
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SliverToBoxAdapter(child: _seccionCercanas(estado, theme)),
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SliverToBoxAdapter(child: _seccionTendencias(estado, theme)),
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SliverToBoxAdapter(child: _chipGeneros(context, theme)),
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if (estado.error != null)
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SliverToBoxAdapter(child: _errorBanner(estado, theme)),
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SliverPadding(
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padding: const EdgeInsets.fromLTRB(PluriLayout.horizontal, 0, PluriLayout.horizontal, PluriLayout.bottomChromeInset),
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sliver: _gridEmisoras(estado),
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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 _heroHeader(BuildContext context, EstadoRadio estado) {
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return PluriScreenHeader(
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title: 'PluriWave',
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subtitle: 'Radio global en vivo con senales limpias, favoritos inteligentes y una experiencia visual de concurso.',
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glyph: PluriIconGlyph.home,
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primaryActionLabel: 'Explorar emisoras',
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onPrimaryAction: estado.cargarPopulares,
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trailing: Column(
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crossAxisAlignment: CrossAxisAlignment.end,
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children: [
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PluriStatusPill(
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icon: Icons.public_rounded,
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label: '${estado.emisorasInicio.length} radios',
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accent: Theme.of(context).colorScheme.secondary,
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),
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const SizedBox(height: 8),
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const PluriStatusPill(
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icon: Icons.hd_rounded,
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label: 'Calidad HD',
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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 _seccionCercanas(EstadoRadio estado, ThemeData theme) {
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final pais = estado.paisCercanoDetectado;
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return Padding(
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padding: const EdgeInsets.fromLTRB(PluriLayout.horizontal, 8, PluriLayout.horizontal, 0),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Expanded(
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child: Text(
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pais == null ? 'Cerca de vos' : 'Cerca de vos ? $pais',
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style: theme.textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.w900,
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),
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),
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),
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TextButton.icon(
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onPressed: estado.cargandoCercanas
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? null
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: estado.cargarEmisorasCercanas,
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icon: estado.cargandoCercanas
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? const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(strokeWidth: 2),
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)
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: const Icon(Icons.my_location_rounded, size: 18),
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label: const Text('Detectar'),
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),
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],
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),
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if (estado.errorCercanas != null)
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Text(
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estado.errorCercanas!,
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style: theme.textTheme.bodySmall?.copyWith(
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color: theme.colorScheme.error,
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),
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),
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if (estado.emisorasCercanas.isNotEmpty) ...[
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const SizedBox(height: 8),
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SizedBox(
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height: 76,
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: estado.emisorasCercanas.length,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (context, i) {
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final emisora = estado.emisorasCercanas[i];
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return SizedBox(
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width: 260,
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child: TarjetaEmisora(
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emisora: emisora,
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esCompacta: true,
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onTap: () => reproducirMinimizado(context, emisora),
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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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),
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),
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);
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}
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Widget _seccionTendencias(EstadoRadio estado, ThemeData theme) {
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return Padding(
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padding: const EdgeInsets.fromLTRB(PluriLayout.horizontal, 8, PluriLayout.horizontal, 0),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('Radar en directo', style: theme.textTheme.titleMedium),
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const SizedBox(height: 8),
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SizedBox(
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height: 56,
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child:
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estado.cargandoPopulares
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? ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: 5,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (_, __) => _ChipShimmer(theme: theme),
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)
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: ListView.separated(
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scrollDirection: Axis.horizontal,
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itemCount: estado.tendencias.length,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (context, i) {
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final e = estado.tendencias[i];
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return ActionChip(
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avatar: const Icon(
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Icons.graphic_eq_rounded,
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size: 18,
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),
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label: Text(e.nombre, maxLines: 1),
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onPressed:
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() => reproducirMinimizado(context, e),
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).animate().fadeIn(delay: (i * 50).ms);
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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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}
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Widget _chipGeneros(BuildContext context, ThemeData theme) {
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return Padding(
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padding: const EdgeInsets.fromLTRB(PluriLayout.horizontal, 16, PluriLayout.horizontal, 8),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('Géneros', style: theme.textTheme.titleMedium),
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const SizedBox(height: 8),
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Wrap(
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spacing: 8,
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runSpacing: 4,
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children:
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_generos.map((g) {
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final seleccionado = _generoSeleccionado == g;
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return FilterChip(
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label: Text(g),
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selected: seleccionado,
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onSelected: (_) {
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setState(() {
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_generoSeleccionado = seleccionado ? null : g;
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});
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if (!seleccionado) {
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context.read<EstadoRadio>().buscar(tag: g);
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} else {
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context.read<EstadoRadio>().cargarPopulares();
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}
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},
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);
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}).toList(),
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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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Widget _errorBanner(EstadoRadio estado, ThemeData theme) {
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return Padding(
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padding: const EdgeInsets.all(16),
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child: PluriGlassSurface(
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padding: const EdgeInsets.all(12),
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child: Row(
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children: [
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Icon(Icons.wifi_off, color: theme.colorScheme.error),
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const SizedBox(width: 8),
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Expanded(child: Text(estado.error!)),
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TextButton(
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onPressed: estado.cargarPopulares,
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child: const Text('Reintentar'),
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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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Widget _gridEmisoras(EstadoRadio estado) {
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final emisoras =
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_generoSeleccionado != null
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? estado.resultadosBusqueda
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: estado.emisorasInicio;
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final cargando =
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estado.cargandoPopulares ||
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(_generoSeleccionado != null && estado.cargandoBusqueda);
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if (cargando) {
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return SliverGrid(
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delegate: SliverChildBuilderDelegate(
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(_, __) => const TarjetaEmisoraShimmer(),
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childCount: 12,
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),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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childAspectRatio: 0.78,
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crossAxisSpacing: 12,
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mainAxisSpacing: 12,
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),
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);
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}
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if (emisoras.isEmpty) {
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return const SliverFillRemaining(
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child: PluriEmptyState(
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glyph: PluriIconGlyph.home,
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title: 'No hay emisoras disponibles',
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subtitle: 'Proba refrescar o elegir otro género para volver a capturar señal.',
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),
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);
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}
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return SliverGrid(
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delegate: SliverChildBuilderDelegate(
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(context, i) => TarjetaEmisora(
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emisora: emisoras[i],
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onTap: () => reproducirMinimizado(context, emisoras[i]),
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).animate().fadeIn(delay: (i * 30).ms).slideY(begin: 0.1),
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childCount: emisoras.length,
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),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 2,
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childAspectRatio: 0.78,
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crossAxisSpacing: 12,
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mainAxisSpacing: 12,
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),
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);
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}
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}
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class _ChipShimmer extends StatelessWidget {
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final ThemeData theme;
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const _ChipShimmer({required this.theme});
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@override
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Widget build(BuildContext context) {
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return shimmer.Shimmer.fromColors(
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baseColor: theme.colorScheme.surfaceContainerHighest,
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highlightColor: theme.colorScheme.surface,
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child: Container(
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width: 120,
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height: 56,
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decoration: BoxDecoration(
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color: theme.colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(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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