aves/lib/widgets/viewer/info/metadata/metadata_thumbnail.dart
2022-05-12 21:48:46 +09:00

56 lines
1.6 KiB
Dart

import 'dart:async';
import 'dart:typed_data';
import 'package:aves/model/entry.dart';
import 'package:aves/services/common/services.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
class MetadataThumbnails extends StatefulWidget {
final AvesEntry entry;
const MetadataThumbnails({
super.key,
required this.entry,
});
@override
State<MetadataThumbnails> createState() => _MetadataThumbnailsState();
}
class _MetadataThumbnailsState extends State<MetadataThumbnails> {
late Future<List<Uint8List>> _loader;
AvesEntry get entry => widget.entry;
String get uri => entry.uri;
@override
void initState() {
super.initState();
_loader = embeddedDataService.getExifThumbnails(entry);
}
@override
Widget build(BuildContext context) {
return FutureBuilder<List<Uint8List>>(
future: _loader,
builder: (context, snapshot) {
if (!snapshot.hasError && snapshot.connectionState == ConnectionState.done && snapshot.data!.isNotEmpty) {
return Container(
alignment: AlignmentDirectional.topStart,
padding: const EdgeInsets.only(left: 8, top: 8, right: 8, bottom: 4),
child: Wrap(
children: snapshot.data!.map((bytes) {
return Image.memory(
bytes,
scale: context.select<MediaQueryData, double>((mq) => mq.devicePixelRatio),
);
}).toList(),
),
);
}
return const SizedBox.shrink();
});
}
}