Surface/lib/widgets/universal_image.dart
2024-11-13 00:25:02 +08:00

137 lines
4.1 KiB
Dart

import 'dart:io';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:styled_widget/styled_widget.dart';
import 'package:flutter_animate/flutter_animate.dart';
class UniversalImage extends StatelessWidget {
final String url;
final double? width, height;
final BoxFit? fit;
final bool noProgressIndicator;
final bool noErrorWidget;
final double? cacheWidth, cacheHeight;
const UniversalImage(
this.url, {
super.key,
this.width,
this.height,
this.fit,
this.noProgressIndicator = false,
this.noErrorWidget = false,
this.cacheWidth,
this.cacheHeight,
});
@override
Widget build(BuildContext context) {
final devicePixelRatio = MediaQuery.of(context).devicePixelRatio;
final double? resizeHeight =
cacheHeight != null ? (cacheHeight! * devicePixelRatio) : null;
final double? resizeWidth =
cacheWidth != null ? (cacheWidth! * devicePixelRatio) : null;
return Image(
image: ResizeImage(
UniversalImage.provider(url),
width: resizeWidth?.round(),
height: resizeHeight?.round(),
policy: ResizeImagePolicy.fit,
),
width: width,
height: height,
fit: fit,
loadingBuilder: noProgressIndicator
? null
: (BuildContext context, Widget child,
ImageChunkEvent? loadingProgress) {
if (loadingProgress == null) return child;
return Center(
child: TweenAnimationBuilder(
tween: Tween(
begin: 0,
end: loadingProgress.expectedTotalBytes != null
? loadingProgress.cumulativeBytesLoaded /
loadingProgress.expectedTotalBytes!
: 0,
),
duration: const Duration(milliseconds: 300),
builder: (context, value, _) => CircularProgressIndicator(
value: loadingProgress.expectedTotalBytes != null
? value.toDouble()
: null,
),
),
);
},
errorBuilder: noErrorWidget
? null
: (context, error, stackTrace) {
return Material(
color: Theme.of(context).colorScheme.surface,
child: Container(
constraints: const BoxConstraints(maxWidth: 280),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
AnimateWidgetExtensions(Icon(Symbols.close, size: 24))
.animate(onPlay: (e) => e.repeat(reverse: true))
.fade(duration: 500.ms),
Text(
error.toString(),
textAlign: TextAlign.center,
),
],
).center(),
),
);
},
);
}
static ImageProvider provider(String url) {
if (!kIsWeb && (Platform.isAndroid || Platform.isIOS || Platform.isMacOS)) {
return CachedNetworkImageProvider(url);
}
return NetworkImage(url);
}
}
class AutoResizeUniversalImage extends StatelessWidget {
final String url;
final double? width, height;
final BoxFit? fit;
final bool noProgressIndicator;
final bool noErrorWidget;
const AutoResizeUniversalImage(
this.url, {
super.key,
this.width,
this.height,
this.fit,
this.noProgressIndicator = false,
this.noErrorWidget = false,
});
@override
Widget build(BuildContext context) {
return LayoutBuilder(builder: (context, constraints) {
return UniversalImage(
url,
fit: fit,
width: width,
height: height,
noProgressIndicator: noProgressIndicator,
noErrorWidget: noErrorWidget,
cacheHeight: constraints.maxHeight,
cacheWidth: constraints.maxWidth,
);
});
}
}