146 lines
3.7 KiB
Dart
146 lines
3.7 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:photo_view/photo_view.dart';
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import 'package:video_player/video_player.dart';
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import 'package:chewie/chewie.dart';
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import 'package:flutter_pdfview/flutter_pdfview.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:dio/dio.dart';
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class ChatFileViewer {
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/// Entry point used by chat screen
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static void open(
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BuildContext context, {
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required String url,
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required String fileType,
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}) {
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if (fileType.startsWith('image/')) {
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_openImage(context, url);
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} else if (fileType.startsWith('video/')) {
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_openVideo(context, url);
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} else if (fileType == 'application/pdf') {
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_openPdf(context, url);
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} else {
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_downloadFile(context, url);
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}
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}
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// ===========================
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// IMAGE VIEWER
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// ===========================
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static void _openImage(BuildContext context, String url) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => Scaffold(
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backgroundColor: Colors.black,
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appBar: AppBar(backgroundColor: Colors.black),
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body: PhotoView(
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imageProvider: NetworkImage(url),
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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 VIEWER
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// ===========================
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static void _openVideo(BuildContext context, String url) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => _VideoPlayerPage(url: url),
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),
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);
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}
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// ===========================
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// PDF VIEWER
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// ===========================
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static Future<void> _openPdf(
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BuildContext context, String url) async {
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final dir = await getTemporaryDirectory();
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final path = "${dir.path}/chat.pdf";
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await Dio().download(url, path);
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => Scaffold(
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appBar: AppBar(title: const Text("PDF")),
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body: PDFView(filePath: path),
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),
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),
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);
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}
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// ===========================
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// FILE DOWNLOAD
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// ===========================
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static Future<void> _downloadFile(
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BuildContext context, String url) async {
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final dir = await getExternalStorageDirectory();
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final fileName = url.split('/').last;
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final path = "${dir!.path}/$fileName";
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await Dio().download(url, path);
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text("File downloaded: $fileName")),
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);
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}
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}
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// ===========================
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// VIDEO PLAYER WIDGET
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// ===========================
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class _VideoPlayerPage extends StatefulWidget {
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final String url;
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const _VideoPlayerPage({required this.url});
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@override
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State<_VideoPlayerPage> createState() => _VideoPlayerPageState();
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}
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class _VideoPlayerPageState extends State<_VideoPlayerPage> {
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late VideoPlayerController _videoController;
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ChewieController? _chewieController;
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@override
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void initState() {
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super.initState();
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_videoController = VideoPlayerController.network(widget.url)
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..initialize().then((_) {
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setState(() {
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_chewieController = ChewieController(
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videoPlayerController: _videoController,
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autoPlay: true,
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looping: false,
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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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_videoController.dispose();
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_chewieController?.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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return Scaffold(
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appBar: AppBar(title: const Text("Video")),
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body: Center(
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child: _chewieController == null
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? const CircularProgressIndicator()
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: Chewie(controller: _chewieController!),
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),
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);
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}
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}
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