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ReelShort/lib/pages/discover/discover_view.dart
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647 lines
18 KiB
Dart

// Author: fruit.com.cn
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:provider/provider.dart';
import '../../core/data/models/drama.dart';
import '../../core/data/models/home_feed.dart';
import '../../core/data/repositories/watch_history_repository.dart';
import '../../core/data/services/category_controller.dart';
import '../../core/theme/app_colors.dart';
import '../../core/theme/app_theme.dart';
import '../../core/widgets/remote_image.dart';
import '../../l10n/app_localizations.dart';
import 'discover_binding.dart';
import 'discover_logic.dart';
import 'widgets/cover_carousel.dart';
class DiscoverPage extends StatefulWidget {
const DiscoverPage({
super.key,
required this.drama,
required this.duration,
this.focusSearch = false,
this.history,
this.embedded = false,
this.active = true,
this.searchRequest = 0,
this.signedIn = false,
this.onSignIn,
this.onCoins,
this.onRewards,
this.onAction,
this.dramas,
this.onDramaSelected,
});
final Drama drama;
final Duration duration;
final bool focusSearch;
final WatchHistoryRepository? history;
final bool embedded;
final bool active;
final int searchRequest;
final bool signedIn;
final VoidCallback? onSignIn;
final VoidCallback? onCoins;
final VoidCallback? onRewards;
final ValueChanged<DiscoverPageAction>? onAction;
final List<Drama>? dramas;
final ValueChanged<Drama>? onDramaSelected;
@override
State<DiscoverPage> createState() => _DiscoverPageState();
}
class _DiscoverPageState extends State<DiscoverPage> {
late final DiscoverLogic logic;
@override
void initState() {
super.initState();
logic = DiscoverBinding().create(
drama: widget.drama,
history: widget.history ?? context.read<WatchHistoryRepository>(),
);
if (widget.focusSearch) logic.searchOpen = true;
}
@override
void didUpdateWidget(covariant DiscoverPage oldWidget) {
super.didUpdateWidget(oldWidget);
logic.syncDrama(
active: widget.active,
wasActive: oldWidget.active,
nextDrama: widget.drama,
dramaChanged: oldWidget.drama.id != widget.drama.id,
searchRequest: widget.searchRequest,
previousSearchRequest: oldWidget.searchRequest,
isActive: () => mounted && widget.active,
);
}
@override
void dispose() {
logic.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
return ListenableBuilder(
listenable: logic,
builder: (context, _) => _page(context),
);
}
Widget _page(BuildContext context) {
final l10n = AppLocalizations.of(context)!;
final categories = context.watch<CategoryController>();
final allDramas = [...?widget.dramas, ...categories.visibleDramas];
final cards = _cardsFor(categories.visibleDramas, '');
final content = SafeArea(
bottom: !widget.embedded,
child: Column(
children: [
_header(l10n),
Expanded(
child: ListView(
controller: logic.scroll,
padding: const EdgeInsets.only(bottom: 24),
children: [
Padding(
padding: const EdgeInsets.fromLTRB(16, 4, 16, 0),
child: ClipRRect(
borderRadius: BorderRadius.circular(18),
child: _carousel(l10n, categories.feed.banners, allDramas),
),
),
Padding(
padding: const EdgeInsets.fromLTRB(16, 18, 16, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_categories(l10n, categories),
const SizedBox(height: 18),
_continueHeader(l10n),
const SizedBox(height: 12),
_dramaContent(l10n, categories, cards),
],
),
),
],
),
),
if (!widget.embedded) _bottomNav(l10n),
],
),
);
return AnnotatedRegion<SystemUiOverlayStyle>(
value: SystemUiOverlayStyle.light,
child: Theme(
data: AppTheme.dark(),
child: widget.embedded
? content
: Scaffold(backgroundColor: const Color(0xFF0B0C10), body: content),
),
);
}
Widget _header(AppLocalizations l10n) {
return Padding(
padding: const EdgeInsets.fromLTRB(16, 6, 12, 8),
child: Row(
children: [
const _BrandMark(),
const SizedBox(width: 8),
Expanded(
child: Text(
l10n.appName,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
color: Colors.white,
fontSize: 20,
fontWeight: FontWeight.w700,
height: 1.1,
),
),
),
const SizedBox(width: 8),
if (widget.signedIn) ...[
_HeaderPill(
icon: Icons.monetization_on_rounded,
label: r'$ 0',
onTap: widget.onCoins,
),
const SizedBox(width: 8),
_HeaderPill(
icon: Icons.card_giftcard_rounded,
label: l10n.rewards,
onTap: widget.onRewards,
),
] else
_LoginButton(label: l10n.logIn, onTap: widget.onSignIn),
],
),
);
}
Widget _carousel(
AppLocalizations l10n,
List<FeedBanner> banners,
List<Drama> allDramas,
) {
final items = banners
.where((banner) => banner.imageUrl.isNotEmpty)
.toList();
if (items.isEmpty) return const SizedBox.shrink();
return CoverCarousel(
items: [
for (final banner in items)
CoverItem(
title: _bannerTitle(banner, allDramas),
subtitle: '',
image: banner.imageUrl,
onOpen: () => _openBanner(banner, allDramas),
),
],
);
}
String _bannerTitle(FeedBanner banner, List<Drama> allDramas) {
final dramaId = banner.dramaId;
if (dramaId == null) return '';
for (final drama in allDramas) {
if (drama.id == dramaId) return drama.title;
}
return '';
}
void _openBanner(FeedBanner banner, List<Drama> allDramas) {
final dramaId = banner.dramaId;
if (dramaId == null) return;
for (final drama in allDramas) {
if (drama.id == dramaId) {
logic.openCard(
context,
drama,
embedded: widget.embedded,
onDramaSelected: widget.onDramaSelected,
onAction: widget.onAction,
);
return;
}
}
}
Widget _continueHeader(AppLocalizations l10n) => Row(
children: [
Expanded(
child: Text(
l10n.continueWatching,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
letterSpacing: 0.2,
height: 1.2,
),
),
),
const SizedBox(width: 8),
Text(
l10n.seeAll,
style: const TextStyle(
color: AppColors.blueSoft,
fontSize: 13,
fontWeight: FontWeight.w500,
),
),
],
);
Widget _dramaContent(
AppLocalizations l10n,
CategoryController categories,
List<_ShowcaseCard> cards,
) {
if (categories.loading && categories.feed.sections.isEmpty) {
return const Padding(
padding: EdgeInsets.symmetric(vertical: 24),
child: Center(child: CircularProgressIndicator(strokeWidth: 2)),
);
}
if (categories.error != null) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 18),
child: Row(
children: [
Expanded(
child: Text(
l10n.categoriesError,
style: const TextStyle(color: Color(0xFFE6E1E3)),
),
),
TextButton(onPressed: categories.load, child: Text(l10n.retry)),
],
),
);
}
if (cards.isEmpty) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 24),
child: Text(
categories.selectedSectionMissing
? l10n.noCategoryDramas
: l10n.noSearchResults,
style: const TextStyle(color: Color(0xFFE6E1E3)),
),
);
}
return SizedBox(
height: 196,
child: ListView(
scrollDirection: Axis.horizontal,
children: [
for (final card in cards) ...[
_continueTile(l10n, card, categories.visibleDramas),
const SizedBox(width: 12),
],
],
),
);
}
Widget _continueTile(
AppLocalizations l10n,
_ShowcaseCard card,
List<Drama> source,
) {
final drama = logic.dramaFor(card.dramaId, source);
return SizedBox(
width: 132,
child: InkWell(
onTap: () => logic.openCard(
context,
drama,
embedded: widget.embedded,
onDramaSelected: widget.onDramaSelected,
onAction: widget.onAction,
),
child: ClipRRect(
borderRadius: BorderRadius.circular(14),
child: Stack(
fit: StackFit.expand,
children: [
RemoteImage(card.image),
const DecoratedBox(
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topCenter,
end: Alignment.bottomCenter,
colors: [Color(0x00000000), Color(0xE6000000)],
stops: [0.45, 1],
),
),
),
if (drama == null)
const ColoredBox(
color: Color(0x99000000),
child: Center(
child: Icon(Icons.image_outlined, color: Colors.white),
),
),
Positioned(
left: 10,
right: 10,
bottom: 10,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
card.title,
maxLines: 2,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
color: Colors.white,
fontSize: 13,
fontWeight: FontWeight.w600,
height: 1.2,
),
),
const SizedBox(height: 3),
Text(
drama == null ? l10n.videoPending : card.genre,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: const TextStyle(
color: Color(0xE6FFFFFF),
fontSize: 11,
fontWeight: FontWeight.w400,
height: 1.2,
),
),
],
),
),
],
),
),
),
);
}
Widget _categories(AppLocalizations l10n, CategoryController categories) {
final choices = <({String code, String label})>[
(code: CategoryController.allCode, label: l10n.forYou),
(code: CategoryController.hotCode, label: l10n.hot),
(code: CategoryController.newCode, label: l10n.newest),
for (final category in categories.categories)
(code: 'category-${category.id}', label: category.name),
];
return SizedBox(
height: 32,
child: ListView.separated(
scrollDirection: Axis.horizontal,
itemCount: choices.length,
separatorBuilder: (_, _) => const SizedBox(width: 8),
itemBuilder: (context, index) {
final choice = choices[index];
final selected = categories.selectedCode == choice.code;
return GestureDetector(
onTap: () => categories.selectCode(choice.code),
child: AnimatedContainer(
duration: const Duration(milliseconds: 180),
alignment: Alignment.center,
padding: const EdgeInsets.symmetric(horizontal: 12),
decoration: BoxDecoration(
color: selected
? AppColors.bluePressed
: const Color(0xFF1C1E24),
borderRadius: BorderRadius.circular(16),
),
child: Text(
choice.label,
maxLines: 1,
style: TextStyle(
color: selected ? Colors.white : AppColors.muted,
fontSize: 13,
fontWeight: selected ? FontWeight.w600 : FontWeight.w500,
height: 1.1,
),
),
),
);
},
),
);
}
Widget _bottomNav(AppLocalizations l10n) => Container(
height: 63,
decoration: const BoxDecoration(
color: Color(0xFF0D0D11),
border: Border(top: BorderSide(color: Color(0xFF242329))),
),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
_DiscoverNavItem(
icon: Icons.play_circle_outline_rounded,
label: l10n.homeTab,
onTap: () => logic.act(
context,
DiscoverPageAction.home,
embedded: widget.embedded,
onAction: widget.onAction,
),
),
_DiscoverNavItem(
icon: Icons.explore_outlined,
label: l10n.discoverTab,
selected: true,
onTap: () {},
),
_DiscoverNavItem(
icon: Icons.video_library_outlined,
label: l10n.myTab,
onTap: () => logic.act(
context,
DiscoverPageAction.my,
embedded: widget.embedded,
onAction: widget.onAction,
),
),
],
),
);
}
class _DiscoverNavItem extends StatelessWidget {
const _DiscoverNavItem({
required this.icon,
required this.label,
required this.onTap,
this.selected = false,
});
final IconData icon;
final String label;
final VoidCallback onTap;
final bool selected;
@override
Widget build(BuildContext context) => InkWell(
onTap: onTap,
child: SizedBox(
width: 72,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
icon,
size: 21,
color: selected ? _accent : const Color(0xFFCAC4C7),
),
Text(
label,
style: TextStyle(
color: selected ? _accent : const Color(0xFFCAC4C7),
fontSize: 10,
fontWeight: FontWeight.w700,
),
),
],
),
),
);
}
class _ShowcaseCard {
const _ShowcaseCard({
required this.title,
required this.genre,
required this.image,
this.dramaId,
});
final String title;
final String genre;
final String image;
final String? dramaId;
}
/// 分区由服务端下发:0 为全部,其余按分区顺序对应筛选菜单(热门 / 最新 / 各分类)。
List<_ShowcaseCard> _cardsFor(List<Drama> dramas, String query) {
final normalized = query.trim().toLowerCase();
return [
for (final drama in dramas)
if (normalized.isEmpty ||
drama.title.toLowerCase().contains(normalized) ||
drama.genre.toLowerCase().contains(normalized) ||
drama.category.toLowerCase().contains(normalized))
_ShowcaseCard(
title: drama.title,
genre: drama.genre.isEmpty ? drama.category : drama.genre,
image: drama.posterUrl,
dramaId: drama.id,
),
];
}
const _accent = AppColors.blueSoft;
const _coin = Color(0xFFF5C451);
class _BrandMark extends StatelessWidget {
const _BrandMark();
@override
Widget build(BuildContext context) {
return Container(
width: 28,
height: 28,
alignment: Alignment.center,
decoration: BoxDecoration(
color: AppColors.blue,
borderRadius: BorderRadius.circular(8),
),
child: const Icon(
Icons.play_arrow_rounded,
color: Colors.white,
size: 20,
),
);
}
}
class _HeaderPill extends StatelessWidget {
const _HeaderPill({
required this.icon,
required this.label,
required this.onTap,
});
final IconData icon;
final String label;
final VoidCallback? onTap;
@override
Widget build(BuildContext context) {
return Material(
color: const Color(0xFF1C1E24),
shape: const StadiumBorder(side: BorderSide(color: Color(0x66F5C451))),
child: InkWell(
customBorder: const StadiumBorder(),
onTap: onTap,
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 5),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(icon, size: 15, color: _coin),
const SizedBox(width: 4),
Text(
label,
maxLines: 1,
style: const TextStyle(
color: Colors.white,
fontSize: 12,
fontWeight: FontWeight.w600,
height: 1.1,
),
),
],
),
),
),
);
}
}
class _LoginButton extends StatelessWidget {
const _LoginButton({required this.label, required this.onTap});
final String label;
final VoidCallback? onTap;
@override
Widget build(BuildContext context) {
return TextButton(
onPressed: onTap,
style: TextButton.styleFrom(
foregroundColor: Colors.white,
backgroundColor: AppColors.blue,
padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 6),
minimumSize: Size.zero,
tapTargetSize: MaterialTapTargetSize.shrinkWrap,
shape: const StadiumBorder(),
textStyle: const TextStyle(fontSize: 13, fontWeight: FontWeight.w600),
),
child: Text(label, maxLines: 1),
);
}
}