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immich/mobile/lib/shared/ui/immich_thumbnail.dart
martyfuhry d76baee50d
refactor(mobile): Use ImmichThumbnail and local thumbnail image provider (#7279)
* Refactor to use ImmichThumbnail and local thumbnail image provider

format

* dart format

linter errors

linter

* Adds blurhash

format

* Fixes image blur

* uses hook instead of stateful widget to be more consistent

* Uses blurhash hook state

* Uses blurhash ref instead of state

* Fixes fade in duration for fade in placeholder

* Fixes an issue where thumbnails fail to load if too many thumbnail requests are made simultaenously

---------

Co-authored-by: Alex Tran <alex.tran1502@gmail.com>
2024-02-27 09:51:19 -06:00

90 lines
2.4 KiB
Dart

import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:flutter_hooks/flutter_hooks.dart';
import 'package:immich_mobile/modules/asset_viewer/image_providers/immich_local_thumbnail_provider.dart';
import 'package:immich_mobile/modules/asset_viewer/image_providers/immich_remote_image_provider.dart';
import 'package:immich_mobile/shared/models/asset.dart';
import 'package:immich_mobile/shared/ui/hooks/blurhash_hook.dart';
import 'package:immich_mobile/shared/ui/thumbhash_placeholder.dart';
import 'package:octo_image/octo_image.dart';
class ImmichThumbnail extends HookWidget {
const ImmichThumbnail({
this.asset,
this.width = 250,
this.height = 250,
this.fit = BoxFit.cover,
super.key,
});
final Asset? asset;
final double width;
final double height;
final BoxFit fit;
/// Helper function to return the image provider for the asset thumbnail
/// either by using the asset ID or the asset itself
/// [asset] is the Asset to request, or else use [assetId] to get a remote
/// image provider
static ImageProvider imageProvider({
Asset? asset,
String? assetId,
int thumbnailSize = 256,
}) {
if (asset == null && assetId == null) {
throw Exception('Must supply either asset or assetId');
}
if (asset == null) {
return ImmichRemoteImageProvider(
assetId: assetId!,
isThumbnail: true,
);
}
if (useLocal(asset)) {
return ImmichLocalThumbnailProvider(
asset: asset,
height: thumbnailSize,
width: thumbnailSize,
);
} else {
return ImmichRemoteImageProvider(
assetId: asset.remoteId!,
isThumbnail: true,
);
}
}
static bool useLocal(Asset asset) => !asset.isRemote || asset.isLocal;
@override
Widget build(BuildContext context) {
Uint8List? blurhash = useBlurHashRef(asset).value;
if (asset == null) {
return Container(
color: Colors.grey,
width: width,
height: height,
child: const Center(
child: Icon(Icons.no_photography),
),
);
}
return OctoImage.fromSet(
placeholderFadeInDuration: Duration.zero,
fadeInDuration: Duration.zero,
fadeOutDuration: const Duration(milliseconds: 100),
octoSet: blurHashOrPlaceholder(blurhash),
image: ImmichThumbnail.imageProvider(
asset: asset,
),
width: width,
height: height,
fit: fit,
);
}
}