Adding flutter v5 source

flutter-exoplayer/media3_exoplayer_creator/lib/widgets/video_player_widget.dart

@@ -1,199 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:video_player/video_player.dart';
-import 'package:chewie/chewie.dart';
-import 'package:http/http.dart' as http;
-import 'dart:io';  // Import to use File class
-import 'package:media3_exoplayer_creator/utils/permission_utils.dart'; // Import permission_utils.dart for permission handling
-import 'package:keep_screen_on/keep_screen_on.dart'; // Import keep_screen_on
-import 'package:flutter/services.dart'; // Import SystemChrome
-import '../utils/web_vtt.dart'; // Import web_vtt.dart for subtitle handling
-
-class VideoPlayerWidget extends StatefulWidget {
-  final String videoUrl;
-  final String filePath;
-  final String subtitleUrl;
-  final String subtitleFilePath;
-
-  const VideoPlayerWidget({
-    Key? key,
-    required this.videoUrl,
-    required this.filePath,
-    required this.subtitleUrl,
-    required this.subtitleFilePath,
-  }) : super(key: key);
-
-  @override
-  _VideoPlayerWidgetState createState() => _VideoPlayerWidgetState();
-}
-
-class _VideoPlayerWidgetState extends State<VideoPlayerWidget> {
-  late VideoPlayerController _videoPlayerController;
-  late ChewieController _chewieController;
-  late List<WebVttCue> _subtitles;
-  String? _currentSubtitle;
-  bool _isLoading = true; // Flag to track loading state of subtitles
-
-  @override
-  void initState() {
-    super.initState();
-
-    // Request permission for subtitle files if a subtitle file path is provided
-    if (widget.subtitleFilePath.isNotEmpty) {
-      requestPermissionIfNeeded(widget.subtitleFilePath, context);  // Correctly call the method here
-    }
-
-    // Initialize the video player controller based on video URL or file path
-    if (widget.filePath.isNotEmpty) {
-      _videoPlayerController = VideoPlayerController.file(File(widget.filePath));
-    } else {
-      _videoPlayerController = VideoPlayerController.networkUrl(Uri.parse(widget.videoUrl));
-    }
-
-    // Initialize the Chewie controller for video playback
-    _chewieController = ChewieController(
-      videoPlayerController: _videoPlayerController,
-      aspectRatio: 16 / 9,
-      autoPlay: true,
-      looping: true,
-    );
-
-    // Load subtitles if needed
-    _loadSubtitles();
-
-    // Keep the screen on while the video is playing
-    KeepScreenOn.turnOn();
-
-    // Hide system UI (status bar and navigation bar) when the video starts
-    SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersiveSticky);
-
-    // Listen to video position changes to update subtitles
-    _videoPlayerController.addListener(_updateCurrentSubtitle);
-
-    // Initialize the video player
-    _initializeVideoPlayer();
-  }
-
-  @override
-  void dispose() {
-    // Turn off the screen stay-on feature and reset the system UI when the widget is disposed
-    KeepScreenOn.turnOff();
-    SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual, overlays: SystemUiOverlay.values); // Restore UI to default
-
-    _videoPlayerController.removeListener(_updateCurrentSubtitle);
-    _videoPlayerController.dispose();
-    super.dispose();
-  }
-
-  // Method to load subtitles (you can adapt it to your subtitle parsing logic)
-  Future<void> _loadSubtitles() async {
-    setState(() {
-      _isLoading = true; // Start loading subtitles
-    });
-
-    // Check if subtitle path is provided
-    if (widget.subtitleFilePath.isNotEmpty) {
-      // Load subtitle from local file
-      try {
-        final file = File(widget.subtitleFilePath);
-        final subtitleData = await file.readAsString();
-        setState(() {
-          _subtitles = parseWebVtt(subtitleData); // Use parseWebVtt from web_vtt.dart
-          _isLoading = false; // Subtitles loaded successfully
-        });
-      } catch (e) {
-        setState(() {
-          _isLoading = false; // Failed to load subtitles
-        });
-        print('Error loading subtitle file: $e');
-      }
-    } else if (widget.subtitleUrl.isNotEmpty) {
-      // Load subtitle from URL
-      try {
-        final response = await http.get(Uri.parse(widget.subtitleUrl));
-        if (response.statusCode == 200) {
-          setState(() {
-            _subtitles = parseWebVtt(response.body); // Use parseWebVtt from web_vtt.dart
-            _isLoading = false; // Subtitles loaded successfully
-          });
-        } else {
-          setState(() {
-            _isLoading = false; // Failed to load subtitles from URL
-          });
-          print('Failed to load subtitle from URL: ${response.statusCode}');
-        }
-      } catch (e) {
-        setState(() {
-          _isLoading = false; // Failed to load subtitles
-        });
-        print('Error loading subtitle from URL: $e');
-      }
-    }
-  }
-
-  // Method to update the current subtitle based on the video position
-  void _updateCurrentSubtitle() {
-    final currentTime = _videoPlayerController.value.position;
-
-    for (var cue in _subtitles) {
-      if (currentTime >= cue.start && currentTime <= cue.end) {
-        setState(() {
-          _currentSubtitle = cue.text;
-        });
-        return;
-      }
-    }
-
-    setState(() {
-      _currentSubtitle = '';
-    });
-  }
-
-  void _initializeVideoPlayer() async {
-    // Initialize the video player
-    await _videoPlayerController.initialize();
-
-    // Update loading state once the video is ready
-    setState(() {
-      _isLoading = false;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      body: Stack(
-        children: [
-          // Background set to black
-          Container(
-            color: Colors.black,
-            child: Chewie(controller: _chewieController), // Video player widget
-          ),
-          // Show a loading indicator while video or subtitles are loading
-          if (_isLoading)
-            Center(
-              child: CircularProgressIndicator(),
-            ),
-          // Display the current subtitle if available
-          if (_currentSubtitle != null && _currentSubtitle!.isNotEmpty && !_isLoading)
-            Positioned(
-              bottom: 70, // Adjusted the bottom padding to be higher
-              left: 0,
-              right: 0,
-              child: Container(
-                padding: EdgeInsets.symmetric(horizontal: 20, vertical: 10),
-                color: Colors.black.withOpacity(0.7), // Black background with transparency
-                child: Text(
-                  _currentSubtitle!,
-                  style: TextStyle(
-                    fontSize: 19,
-                    color: Colors.white,
-                  ),
-                  textAlign: TextAlign.center,
-                ),
-              ),
-            ),
-        ],
-      ),
-    );
-  }
-}