372 lines
12 KiB
Dart
372 lines
12 KiB
Dart
// lib/widgets/viewer/fullscreen_cast_viewer.dart
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//
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// Viewer FULLSCREEN per Google Cast.
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// FAST e DLNA hanno viewer separati.
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import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:video_player/video_player.dart';
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import 'package:aves/model/entry/entry.dart';
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import 'package:aves/widgets/cast/cast_controller.dart';
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class FullscreenCastViewer extends StatefulWidget {
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final List<AvesEntry> entries;
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final int startIndex;
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const FullscreenCastViewer({
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super.key,
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required this.entries,
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required this.startIndex,
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});
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@override
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State<FullscreenCastViewer> createState() => _FullscreenCastViewerState();
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}
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class _FullscreenCastViewerState extends State<FullscreenCastViewer> {
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late final PageController _pageController;
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late int _currentIndex;
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bool _isUpdatingFromCast = false;
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bool _controlsVisible = true;
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@override
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void initState() {
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super.initState();
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_currentIndex = widget.startIndex.clamp(0, widget.entries.length - 1);
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_pageController = PageController(initialPage: _currentIndex);
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CastController.instance.currentIndexNotifier.addListener(_onCastIndexChanged);
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}
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@override
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void dispose() {
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CastController.instance.currentIndexNotifier.removeListener(_onCastIndexChanged);
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_pageController.dispose();
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super.dispose();
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}
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// ------------------------------------------------------------
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// SYNC CAST -> UI
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// ------------------------------------------------------------
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void _onCastIndexChanged() {
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final newIndex = CastController.instance.currentIndexNotifier.value;
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if (newIndex == _currentIndex) return;
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_isUpdatingFromCast = true;
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_currentIndex = newIndex;
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if (_pageController.hasClients) {
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_pageController.jumpToPage(newIndex);
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}
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if (mounted) setState(() {});
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Future.delayed(const Duration(milliseconds: 100), () {
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_isUpdatingFromCast = false;
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});
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}
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// ------------------------------------------------------------
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// SYNC UI -> CAST
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// ------------------------------------------------------------
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void _onPageChanged(int index) {
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if (_isUpdatingFromCast) return;
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if (index > _currentIndex) {
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CastController.instance.nextManual();
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} else if (index < _currentIndex) {
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CastController.instance.prevManual();
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}
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setState(() => _currentIndex = index);
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}
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// ------------------------------------------------------------
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// Helpers UI
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// ------------------------------------------------------------
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String _formatDuration(Duration d) {
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final totalSeconds = d.inSeconds;
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final hours = totalSeconds ~/ 3600;
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final minutes = (totalSeconds % 3600) ~/ 60;
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final seconds = totalSeconds % 60;
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if (hours > 0) {
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return '${hours.toString().padLeft(2, '0')}:'
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'${minutes.toString().padLeft(2, '0')}:'
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'${seconds.toString().padLeft(2, '0')}';
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}
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return '${minutes.toString().padLeft(2, '0')}:${seconds.toString().padLeft(2, '0')}';
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}
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Widget _buildTopBar(BuildContext context) {
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return SafeArea(
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child: Container(
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color: Colors.black54,
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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child: Row(
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children: [
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IconButton(
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icon: const Icon(Icons.close, color: Colors.white),
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onPressed: () => Navigator.of(context).maybePop(),
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),
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Expanded(
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child: Text(
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'${_currentIndex + 1}/${widget.entries.length}',
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style: const TextStyle(color: Colors.white),
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textAlign: TextAlign.center,
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),
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),
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IconButton(
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icon: const Icon(Icons.stop, color: Colors.white),
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onPressed: () async {
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await CastController.instance.stopCast();
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if (mounted) Navigator.of(context).maybePop();
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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 _buildBottomControls() {
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final controller = CastController.instance;
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return SafeArea(
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top: false,
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child: Container(
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color: Colors.black54,
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padding: const EdgeInsets.fromLTRB(12, 8, 12, 12),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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// --------------------------------------------------
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// SEEK BAR (solo Google)
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// --------------------------------------------------
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ValueListenableBuilder<CastBackend>(
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valueListenable: controller.backendNotifier,
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builder: (context, backend, _) {
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if (backend != CastBackend.google) return const SizedBox.shrink();
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return ValueListenableBuilder<Duration>(
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valueListenable: controller.durationNotifier,
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builder: (context, duration, _) {
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return ValueListenableBuilder<Duration>(
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valueListenable: controller.positionNotifier,
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builder: (context, position, __) {
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final maxMs = duration.inMilliseconds <= 0 ? 1 : duration.inMilliseconds;
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final valueMs = position.inMilliseconds.clamp(0, maxMs);
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return Column(
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children: [
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Slider(
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value: valueMs.toDouble(),
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min: 0,
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max: maxMs.toDouble(),
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onChanged: (_) {},
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onChangeEnd: (_) {},
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),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 8),
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child: Row(
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children: [
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Text(_formatDuration(position), style: const TextStyle(color: Colors.white70)),
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const Spacer(),
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Text(_formatDuration(duration), style: const TextStyle(color: Colors.white70)),
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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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const SizedBox(height: 8),
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// --------------------------------------------------
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// PREV / PLAY-PAUSE / NEXT
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// --------------------------------------------------
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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IconButton(
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iconSize: 34,
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icon: const Icon(Icons.skip_previous, color: Colors.white),
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onPressed: () => controller.prevManual(),
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),
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const SizedBox(width: 12),
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// PLAY/PAUSE solo Google
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ValueListenableBuilder<CastBackend>(
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valueListenable: controller.backendNotifier,
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builder: (context, backend, _) {
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if (backend != CastBackend.google) return const SizedBox.shrink();
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return ValueListenableBuilder<bool>(
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valueListenable: controller.isPlayingNotifier,
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builder: (context, isPlaying, _) {
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return IconButton(
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iconSize: 40,
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icon: Icon(
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isPlaying ? Icons.pause_circle : Icons.play_circle,
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color: Colors.white,
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),
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onPressed: () {},
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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(width: 12),
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IconButton(
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iconSize: 34,
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icon: const Icon(Icons.skip_next, color: Colors.white),
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onPressed: () => controller.nextManual(),
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),
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],
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),
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const SizedBox(height: 12),
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// --------------------------------------------------
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// VOLUME solo Google
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// --------------------------------------------------
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ValueListenableBuilder<CastBackend>(
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valueListenable: controller.backendNotifier,
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builder: (context, backend, _) {
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if (backend != CastBackend.google) return const SizedBox.shrink();
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return ValueListenableBuilder<double>(
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valueListenable: controller.volumeNotifier,
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builder: (context, volume, _) {
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return Row(
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children: [
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IconButton(
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icon: const Icon(Icons.volume_up, color: Colors.white),
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onPressed: () {},
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),
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Expanded(
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child: Slider(
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value: volume.clamp(0.0, 1.0),
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min: 0,
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max: 1,
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onChanged: (_) {},
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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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);
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}
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// ------------------------------------------------------------
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// RENDER ENTRY (locale o remoto)
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// ------------------------------------------------------------
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Widget _buildEntry(AvesEntry entry) {
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final isVideo = (entry.durationMillis ?? 0) > 0;
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final path = entry.path;
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// VIDEO LOCALE
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if (isVideo && path != null && File(path).existsSync()) {
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return Center(child: VideoWidget.file(File(path)));
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}
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// FOTO LOCALE
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if (!isVideo && path != null && File(path).existsSync()) {
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return InteractiveViewer(
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child: Center(child: Image.file(File(path), fit: BoxFit.contain)),
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);
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}
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return const Center(
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child: Icon(Icons.broken_image, size: 64, color: Colors.white54),
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);
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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: Colors.black,
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body: GestureDetector(
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behavior: HitTestBehavior.opaque,
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onTap: () => setState(() => _controlsVisible = !_controlsVisible),
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child: Stack(
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children: [
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PageView.builder(
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controller: _pageController,
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itemCount: widget.entries.length,
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onPageChanged: _onPageChanged,
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itemBuilder: (context, i) => _buildEntry(widget.entries[i]),
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),
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if (_controlsVisible) ...[
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Align(alignment: Alignment.topCenter, child: _buildTopBar(context)),
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Align(alignment: Alignment.bottomCenter, child: _buildBottomControls()),
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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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// VIDEO WIDGET (solo locale)
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// ------------------------------------------------------------
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class VideoWidget extends StatefulWidget {
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final File file;
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const VideoWidget.file(this.file, {super.key});
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@override
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State<VideoWidget> createState() => _VideoWidgetState();
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}
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class _VideoWidgetState extends State<VideoWidget> {
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VideoPlayerController? controller;
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@override
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void initState() {
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super.initState();
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controller = VideoPlayerController.file(widget.file)
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..initialize().then((_) {
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if (mounted) setState(() {});
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});
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}
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@override
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void dispose() {
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controller?.dispose();
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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 (controller == null || !controller!.value.isInitialized) {
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return const Center(child: CircularProgressIndicator());
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}
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return AspectRatio(
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aspectRatio: controller!.value.aspectRatio,
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child: VideoPlayer(controller!),
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);
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}
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}
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