fluffychat/lib/widgets/avatar.dart

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import 'package:matrix/matrix.dart';
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import 'package:fluffychat/utils/string_color.dart';
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import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'matrix.dart';
class Avatar extends StatelessWidget {
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final Uri mxContent;
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final String name;
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final double size;
final Function onTap;
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static const double defaultSize = 44;
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final Client client;
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const Avatar(
this.mxContent,
this.name, {
this.size = defaultSize,
this.onTap,
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this.client,
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Key key,
}) : super(key: key);
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@override
Widget build(BuildContext context) {
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final src = mxContent?.getThumbnail(
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client ?? Matrix.of(context).client,
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width: size * MediaQuery.of(context).devicePixelRatio,
height: size * MediaQuery.of(context).devicePixelRatio,
);
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var fallbackLetters = '@';
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if ((name?.runes?.length ?? 0) >= 2) {
fallbackLetters = String.fromCharCodes(name.runes, 0, 2);
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} else if ((name?.runes?.length ?? 0) == 1) {
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fallbackLetters = name;
}
final textWidget = Center(
child: Text(
fallbackLetters,
style: TextStyle(
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color: Colors.white,
fontSize: 18,
),
),
);
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final noPic = mxContent == null ||
mxContent.toString().isEmpty ||
mxContent.toString() == 'null';
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final borderRadius = BorderRadius.circular(size / 2);
return InkWell(
onTap: onTap,
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borderRadius: borderRadius,
child: ClipRRect(
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borderRadius: borderRadius,
child: Container(
width: size,
height: size,
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color: name?.color,
child: noPic
? textWidget
: CachedNetworkImage(
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imageUrl: src.toString(),
fit: BoxFit.cover,
width: size,
height: size,
placeholder: (c, s) => textWidget,
errorWidget: (c, s, d) => Stack(
children: [
textWidget,
],
),
),
),
),
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);
}
}