OpenMediacenterMobileFlutter/lib/preview_tile.dart
2022-04-15 21:57:15 +02:00

124 lines
3.3 KiB
Dart

import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:openmediacentermobile/videoscreen_desktop.dart'
if (dart.library.html) 'package:openmediacentermobile/videoscreen_web.dart'
if (dart.library.io) 'package:openmediacentermobile/videoscreen_desktop.dart';
import 'api/api.dart';
import 'platform.dart';
// todo put this type in sperate class!
class VideoT {
int id;
String title;
double Ratio;
VideoT(this.title, this.id, this.Ratio);
factory VideoT.fromJson(dynamic json) {
return VideoT(json['MovieName'] as String, json['MovieId'] as int, (json['Ratio'] as num).toDouble());
}
}
class PreviewTile extends StatefulWidget {
const PreviewTile({Key? key, required this.dta}) : super(key: key);
final VideoT dta;
@override
_PreviewTileState createState() => _PreviewTileState();
}
class _PreviewTileState extends State<PreviewTile> {
late Future<Image> _preview;
@override
void initState() {
super.initState();
_preview = loadData();
}
@override
void didUpdateWidget(PreviewTile oldWidget) {
super.didUpdateWidget(oldWidget);
if (oldWidget.dta != widget.dta) {
setState(() {
_preview = loadData();
});
}
}
Future<Image> loadData() async {
final data = await API.query("video", "readThumbnail", {'Movieid': widget.dta.id});
final img = Image.memory(
base64Decode(data.substring(23)),
width: double.infinity,
fit: BoxFit.fitWidth,
);
// precache image to avoid loading time to render image
await precacheImage(img.image, context);
return img;
}
@override
Widget build(BuildContext context) {
return FutureBuilder<Image>(
future: _preview, // a previously-obtained Future<String> or null
builder: (BuildContext context, AsyncSnapshot<Image> snapshot) {
if (snapshot.hasError) {
return Text("Error");
} else if (snapshot.hasData) {
return ClipRRect(
borderRadius: BorderRadius.circular(20.0),
child: Stack(
children: [
Container(
child: Column(
children: [Text(widget.dta.title, style: TextStyle(fontSize: isTV() ? 8 : 12)), snapshot.data!],
),
color: Colors.green,
),
Positioned.fill(
child: Material(
color: Colors.transparent,
child: InkWell(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => VideoScreen(MetaData: widget.dta),
),
);
},
),
),
),
],
),
);
} else {
return Column(children: const <Widget>[
SizedBox(height: 100),
SizedBox(
width: 60,
height: 60,
child: CircularProgressIndicator(),
),
Padding(
padding: EdgeInsets.only(top: 16),
child: Text('Awaiting result...'),
),
SizedBox(height: 100),
]);
}
},
);
}
}