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refactor: use ProxyImg widget

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Kieran
2025-05-16 12:22:31 +01:00
parent 244a0aad38
commit dcf42e7a78
8 changed files with 73 additions and 63 deletions
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67
lib/imgproxy.dart
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@ -1,7 +1,10 @@
import 'dart:convert';
import 'package:cached_network_image/cached_network_image.dart';
import 'package:convert/convert.dart';
import 'package:crypto/crypto.dart';
import 'package:flutter/widgets.dart';
import 'package:flutter_svg/svg.dart';
import 'package:zap_stream_flutter/theme.dart';
class ImgProxySettings {
final String url;
@ -12,11 +15,12 @@ class ImgProxySettings {
static ImgProxySettings static() {
return ImgProxySettings(
url: "https://imgproxy.v0l.io",
key:
"a82fcf26aa0ccb55dfc6b4bd6a1c90744d3be0f38429f21a8828b43449ce7cebe6bdc2b09a827311bef37b18ce35cb1e6b1c60387a254541afa9e5b4264ae942",
salt:
"a897770d9abf163de055e9617891214e75a9016d748f8ef865e6ffbcb9ed932295659549773a22a019a5f06d0b440c320be411e3fddfe784e199e4f03d74bd9b");
url: "https://imgproxy.v0l.io",
key:
"a82fcf26aa0ccb55dfc6b4bd6a1c90744d3be0f38429f21a8828b43449ce7cebe6bdc2b09a827311bef37b18ce35cb1e6b1c60387a254541afa9e5b4264ae942",
salt:
"a897770d9abf163de055e9617891214e75a9016d748f8ef865e6ffbcb9ed932295659549773a22a019a5f06d0b440c320be411e3fddfe784e199e4f03d74bd9b",
);
}
}
@ -35,8 +39,14 @@ String signUrl(String u, ImgProxySettings settings) {
return urlSafe(base64.encode(result.bytes));
}
String proxyImg(BuildContext context, String url,
{ImgProxySettings? settings, int? resize, String? sha256, double? dpr}) {
String proxyImg(
BuildContext context,
String url, {
ImgProxySettings? settings,
int? resize,
String? sha256,
double? dpr,
}) {
final s = settings ?? ImgProxySettings.static();
if (url.startsWith("data:") || url.startsWith("blob:") || url.isEmpty) {
@ -63,4 +73,45 @@ String proxyImg(BuildContext context, String url,
final sig = signUrl(path, s);
return '${s.url}/$sig$path';
}
}
class ProxyImg extends StatelessWidget {
final String? url;
/// Size of the placeholder & error images
final double? placeholderSize;
/// request imgproxy to resize the image
final int? resize;
final double? width;
final double? height;
const ProxyImg({
super.key,
required this.url,
this.placeholderSize,
this.resize,
this.width,
this.height,
});
@override
Widget build(BuildContext context) {
return CachedNetworkImage(
imageUrl: proxyImg(context, url ?? "", resize: resize),
width: width,
height: height,
fit: BoxFit.cover,
placeholder:
(ctx, url) =>
SvgPicture.asset("assets/svg/logo.svg", height: placeholderSize),
errorWidget:
(context, url, error) => SvgPicture.asset(
"assets/svg/logo.svg",
height: placeholderSize,
colorFilter: ColorFilter.mode(WARNING, BlendMode.srcATop),
),
);
}
}