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💄 Optimize the link embed

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This commit is contained in:
LittleSheep
2025-11-02 15:43:40 +08:00
parent 12b79af3a2
commit caf2f5f1f6
6 changed files with 289 additions and 153 deletions
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355
lib/widgets/content/embed/link.dart
View File

@@ -1,3 +1,6 @@
import 'dart:async';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:island/models/embed.dart';
@@ -5,7 +8,7 @@ import 'package:island/widgets/content/image.dart';
import 'package:material_symbols_icons/symbols.dart';
import 'package:url_launcher/url_launcher.dart';
class EmbedLinkWidget extends StatelessWidget {
class EmbedLinkWidget extends StatefulWidget {
final SnScrappedLink link;
final double? maxWidth;
final EdgeInsetsGeometry? margin;
@@ -17,167 +20,263 @@ class EmbedLinkWidget extends StatelessWidget {
this.margin,
});
@override
State<EmbedLinkWidget> createState() => _EmbedLinkWidgetState();
}
class _EmbedLinkWidgetState extends State<EmbedLinkWidget> {
bool? _isSquare;
@override
void initState() {
super.initState();
_checkIfSquare();
}
Future<void> _checkIfSquare() async {
if (widget.link.imageUrl == null ||
widget.link.imageUrl!.isEmpty ||
widget.link.imageUrl == widget.link.faviconUrl)
return;
try {
final image = CachedNetworkImageProvider(widget.link.imageUrl!);
final ImageStream stream = image.resolve(ImageConfiguration.empty);
final completer = Completer<ImageInfo>();
final listener = ImageStreamListener((
ImageInfo info,
bool synchronousCall,
) {
completer.complete(info);
});
stream.addListener(listener);
final info = await completer.future;
stream.removeListener(listener);
final aspectRatio = info.image.width / info.image.height;
setState(() {
_isSquare = aspectRatio >= 0.9 && aspectRatio <= 1.1;
});
} catch (e) {
// If error, assume not square
setState(() {
_isSquare = false;
});
}
}
Future<void> _launchUrl() async {
final uri = Uri.parse(link.url);
final uri = Uri.parse(widget.link.url);
if (await canLaunchUrl(uri)) {
await launchUrl(uri, mode: LaunchMode.externalApplication);
}
}
String _getBaseUrl(String url) {
final uri = Uri.parse(url);
final port = uri.port;
final defaultPort = uri.scheme == 'https' ? 443 : 80;
final portString = port != defaultPort ? ':$port' : '';
return '${uri.scheme}://${uri.host}$portString';
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
final colorScheme = theme.colorScheme;
return Container(
width: maxWidth,
margin: margin ?? const EdgeInsets.symmetric(vertical: 8),
width: widget.maxWidth,
margin: widget.margin ?? const EdgeInsets.symmetric(vertical: 8),
child: Card(
margin: EdgeInsets.zero,
clipBehavior: Clip.antiAlias,
child: InkWell(
onTap: _launchUrl,
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
child: Row(
children: [
// Preview Image
if (link.imageUrl != null && link.imageUrl!.isNotEmpty)
AspectRatio(
aspectRatio: 16 / 9,
child: UniversalImage(uri: link.imageUrl!, fit: BoxFit.cover),
// Sqaure open graph image
if (_isSquare == true) ...[
Flexible(
child: ConstrainedBox(
constraints: const BoxConstraints(maxHeight: 120),
child: AspectRatio(
aspectRatio: 1,
child: UniversalImage(
uri: widget.link.imageUrl!,
fit: BoxFit.cover,
),
),
),
),
// Content
Padding(
padding: const EdgeInsets.all(16),
const Gap(8),
],
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Site info row
Row(
children: [
// Favicon
if (link.faviconUrl?.isNotEmpty ?? false) ...[
ClipRRect(
borderRadius: BorderRadius.circular(4),
child: UniversalImage(
uri: link.faviconUrl!,
width: 16,
height: 16,
fit: BoxFit.cover,
),
// Preview Image
if (widget.link.imageUrl != null &&
widget.link.imageUrl!.isNotEmpty &&
widget.link.imageUrl != widget.link.faviconUrl &&
_isSquare != true)
Container(
width: double.infinity,
color:
Theme.of(context).colorScheme.surfaceContainerHigh,
child: IntrinsicHeight(
child: UniversalImage(
uri: widget.link.imageUrl!,
fit: BoxFit.cover,
useFallbackImage: false,
),
const Gap(8),
] else ...[
Icon(
Symbols.link,
size: 16,
color: colorScheme.onSurfaceVariant,
),
const Gap(8),
],
),
),
// Site name
Expanded(
child: Text(
(link.siteName?.isNotEmpty ?? false)
? link.siteName!
: Uri.parse(link.url).host,
// Content
Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// Site info row
Row(
children: [
if (widget.link.faviconUrl?.isNotEmpty ??
false) ...[
ClipRRect(
borderRadius: BorderRadius.circular(4),
child: UniversalImage(
uri:
widget.link.faviconUrl!.startsWith('//')
? 'https:${widget.link.faviconUrl!}'
: widget.link.faviconUrl!
.startsWith('/')
? _getBaseUrl(widget.link.url) +
widget.link.faviconUrl!
: widget.link.faviconUrl!,
width: 16,
height: 16,
fit: BoxFit.cover,
useFallbackImage: false,
),
),
const Gap(8),
] else ...[
Icon(
Symbols.link,
size: 16,
color: colorScheme.onSurfaceVariant,
),
const Gap(8),
],
// Site name
Expanded(
child: Text(
(widget.link.siteName?.isNotEmpty ?? false)
? widget.link.siteName!
: Uri.parse(widget.link.url).host,
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
// External link icon
Icon(
Symbols.open_in_new,
size: 16,
color: colorScheme.onSurfaceVariant,
),
],
),
const Gap(8),
// Title
if (widget.link.title.isNotEmpty) ...[
Text(
widget.link.title,
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
),
maxLines: _isSquare == true ? 1 : 2,
overflow: TextOverflow.ellipsis,
),
Gap(_isSquare == true ? 2 : 4),
],
// Description
if (widget.link.description != null &&
widget.link.description!.isNotEmpty) ...[
Text(
widget.link.description!,
style: theme.textTheme.bodyMedium?.copyWith(
color: colorScheme.onSurfaceVariant,
),
maxLines: _isSquare == true ? 1 : 3,
overflow: TextOverflow.ellipsis,
),
Gap(_isSquare == true ? 4 : 8),
],
// URL
Text(
widget.link.url,
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.onSurfaceVariant,
color: colorScheme.primary,
decoration: TextDecoration.underline,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
),
// External link icon
Icon(
Symbols.open_in_new,
size: 16,
color: colorScheme.onSurfaceVariant,
),
],
),
const Gap(8),
// Title
if (link.title.isNotEmpty) ...[
Text(
link.title,
style: theme.textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.w600,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
const Gap(4),
],
// Description
if (link.description != null &&
link.description!.isNotEmpty) ...[
Text(
link.description!,
style: theme.textTheme.bodyMedium?.copyWith(
color: colorScheme.onSurfaceVariant,
),
maxLines: 3,
overflow: TextOverflow.ellipsis,
),
const Gap(8),
],
// URL
Text(
link.url,
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.primary,
decoration: TextDecoration.underline,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
// Author and publish date
if (link.author != null || link.publishedDate != null) ...[
const Gap(8),
Row(
children: [
if (link.author != null) ...[
Icon(
Symbols.person,
size: 14,
color: colorScheme.onSurfaceVariant,
),
const Gap(4),
Text(
link.author!,
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
],
if (link.author != null && link.publishedDate != null)
const Gap(16),
if (link.publishedDate != null) ...[
Icon(
Symbols.schedule,
size: 14,
color: colorScheme.onSurfaceVariant,
),
const Gap(4),
Text(
_formatDate(link.publishedDate!),
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
// Author and publish date
if (widget.link.author != null ||
widget.link.publishedDate != null) ...[
const Gap(8),
Row(
children: [
if (widget.link.author != null) ...[
Icon(
Symbols.person,
size: 14,
color: colorScheme.onSurfaceVariant,
),
const Gap(4),
Text(
widget.link.author!,
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
],
if (widget.link.author != null &&
widget.link.publishedDate != null)
const Gap(16),
if (widget.link.publishedDate != null) ...[
Icon(
Symbols.schedule,
size: 14,
color: colorScheme.onSurfaceVariant,
),
const Gap(4),
Text(
_formatDate(widget.link.publishedDate!),
style: theme.textTheme.bodySmall?.copyWith(
color: colorScheme.onSurfaceVariant,
),
),
],
],
),
],
],
),
],
),
],
),
),

35
lib/widgets/content/image.dart
View File

@@ -1,6 +1,7 @@
import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/material.dart';
import 'package:flutter_blurhash/flutter_blurhash.dart';
import 'package:flutter_svg/flutter_svg.dart';
class UniversalImage extends StatelessWidget {
final String uri;
@@ -9,6 +10,8 @@ class UniversalImage extends StatelessWidget {
final double? width;
final double? height;
final bool noCacheOptimization;
final bool isSvg;
final bool useFallbackImage;
const UniversalImage({
super.key,
@@ -18,10 +21,26 @@ class UniversalImage extends StatelessWidget {
this.width,
this.height,
this.noCacheOptimization = false,
this.isSvg = false,
this.useFallbackImage = true,
});
@override
Widget build(BuildContext context) {
final isSvgImage = isSvg || uri.toLowerCase().endsWith('.svg');
if (isSvgImage) {
return SvgPicture.network(
uri,
fit: fit,
width: width,
height: height,
placeholderBuilder:
(BuildContext context) =>
Center(child: CircularProgressIndicator()),
);
}
int? cacheWidth;
int? cacheHeight;
if (width != null && height != null && !noCacheOptimization) {
@@ -50,13 +69,15 @@ class UniversalImage extends StatelessWidget {
child: CircularProgressIndicator(value: progress.progress),
);
},
errorWidget: (context, url, error) {
return Image.asset(
'assets/images/media-offline.jpg',
fit: BoxFit.cover,
key: Key('image-broke-$uri'),
);
},
errorWidget:
(context, url, error) =>
useFallbackImage
? Image.asset(
'assets/images/media-offline.jpg',
fit: BoxFit.cover,
key: Key('image-broke-$uri'),
)
: SizedBox.shrink(),
),
],
),