fluffychat/lib/components/image_bubble.dart
Christian Pauly 80386946e5 Nicer images
2020-04-10 18:12:32 +02:00

71 lines
1.9 KiB
Dart

import 'package:bubble/bubble.dart';
import 'package:famedlysdk/famedlysdk.dart';
import 'package:flutter/material.dart';
import 'package:fluffychat/utils/matrix_file_extension.dart';
class ImageBubble extends StatefulWidget {
final Event event;
const ImageBubble(this.event, {Key key}) : super(key: key);
@override
_ImageBubbleState createState() => _ImageBubbleState();
}
class _ImageBubbleState extends State<ImageBubble> {
static Map<String, MatrixFile> _matrixFileMap = {};
MatrixFile get _file => _matrixFileMap[widget.event.eventId];
set _file(MatrixFile file) {
_matrixFileMap[widget.event.eventId] = file;
}
dynamic _error;
Future<MatrixFile> _getFile() async {
if (_file != null) return _file;
return widget.event.downloadAndDecryptAttachment();
}
@override
Widget build(BuildContext context) {
return Bubble(
padding: BubbleEdges.all(0),
radius: Radius.circular(10),
color: Theme.of(context).secondaryHeaderColor,
elevation: 0,
child: Container(
height: 300,
width: 400,
child: Builder(
builder: (BuildContext context) {
if (_error != null) {
return Center(
child: Text(
_error.toString(),
),
);
}
if (_file != null) {
return InkWell(
onTap: () => _file.open(),
child: Image.memory(
_file.bytes,
fit: BoxFit.cover,
),
);
}
_getFile().then((MatrixFile file) {
setState(() => _file = file);
}, onError: (error) {
setState(() => _error = error);
});
return Center(
child: CircularProgressIndicator(),
);
},
),
),
);
}
}