145 lines
3.6 KiB
Dart
145 lines
3.6 KiB
Dart
import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../models/photo.dart';
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import '../services/photo_service.dart';
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class PhotoSlideshowWidget extends StatefulWidget {
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const PhotoSlideshowWidget({super.key});
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@override
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State<PhotoSlideshowWidget> createState() => _PhotoSlideshowWidgetState();
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}
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class _PhotoSlideshowWidgetState extends State<PhotoSlideshowWidget> {
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List<Photo> _photos = [];
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int _currentIndex = 0;
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Timer? _timer;
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@override
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void initState() {
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super.initState();
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_fetchPhotos();
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}
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void _fetchPhotos() async {
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try {
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final photos = await Provider.of<PhotoService>(
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context,
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listen: false,
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).fetchPhotos(activeOnly: true);
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if (mounted) {
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setState(() {
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_photos = photos;
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});
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_startSlideshow();
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}
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} catch (e) {
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// Handle error
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}
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}
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void _startSlideshow() {
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_timer?.cancel();
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if (_photos.length > 1) {
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_timer = Timer.periodic(const Duration(seconds: 30), (timer) {
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if (mounted) {
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setState(() {
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_currentIndex = (_currentIndex + 1) % _photos.length;
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});
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}
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});
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}
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}
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@override
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void dispose() {
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_timer?.cancel();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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if (_photos.isEmpty) {
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return Container(
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color: Colors.black,
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child: const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.photo_library, size: 64, color: Colors.white24),
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SizedBox(height: 16),
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Text(
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'No Photos Available',
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style: TextStyle(color: Colors.white54, fontSize: 24),
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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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final currentPhoto = _photos[_currentIndex];
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return Stack(
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fit: StackFit.expand,
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children: [
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AnimatedSwitcher(
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duration: const Duration(milliseconds: 1000),
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child: Image.network(
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currentPhoto.url,
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key: ValueKey<String>(currentPhoto.id),
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fit: BoxFit.cover,
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width: double.infinity,
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height: double.infinity,
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errorBuilder: (context, error, stackTrace) {
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return Container(
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color: Colors.grey[900],
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child: const Center(
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child: Icon(
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Icons.broken_image,
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color: Colors.white54,
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size: 48,
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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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// Gradient overlay for caption
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Positioned(
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left: 0,
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right: 0,
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bottom: 0,
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child: Container(
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Colors.transparent, Colors.black87],
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),
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),
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padding: const EdgeInsets.all(24.0),
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child: Text(
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currentPhoto.caption,
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style: const TextStyle(
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color: Colors.white,
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fontSize: 20,
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fontWeight: FontWeight.w500,
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shadows: [
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Shadow(
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color: Colors.black45,
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blurRadius: 4,
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offset: Offset(1, 1),
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),
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],
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),
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textAlign: TextAlign.center,
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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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