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immich/mobile/lib/shared/ui/immich_image.dart
2024-02-18 22:17:20 -06:00

158 lines
4.5 KiB
Dart

import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/modules/asset_viewer/image_providers/immich_local_image_provider.dart';
import 'package:immich_mobile/modules/asset_viewer/image_providers/immich_remote_image_provider.dart';
import 'package:immich_mobile/modules/home/ui/asset_grid/thumbnail_placeholder.dart';
import 'package:immich_mobile/shared/models/asset.dart';
import 'package:immich_mobile/shared/models/store.dart';
import 'package:octo_image/octo_image.dart';
import 'package:photo_manager/photo_manager.dart';
import 'package:photo_manager_image_provider/photo_manager_image_provider.dart';
class ImmichImage extends StatelessWidget {
const ImmichImage(
this.asset, {
this.width,
this.height,
this.fit = BoxFit.cover,
this.placeholder = const ThumbnailPlaceholder(),
this.isThumbnail = false,
this.thumbnailSize = 250,
super.key,
});
final Asset? asset;
final Widget? placeholder;
final double? width;
final double? height;
final BoxFit fit;
final bool isThumbnail;
final int thumbnailSize;
/// Factory constructor to use the thumbnail variant
factory ImmichImage.thumbnail(
Asset? asset, {
BoxFit fit = BoxFit.cover,
double? width,
double? height,
}) {
// Use the width and height to derive thumbnail size
final thumbnailSize = max(width ?? 250, height ?? 250).toInt();
return ImmichImage(
asset,
isThumbnail: true,
fit: fit,
width: width,
height: height,
placeholder: ThumbnailPlaceholder(
height: thumbnailSize.toDouble(),
width: thumbnailSize.toDouble(),
),
thumbnailSize: thumbnailSize,
);
}
// Helper function to return the image provider for the asset
// 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
/// Use [isThumbnail] and [thumbnailSize] if you'd like to request a thumbnail
/// The size of the square thumbnail to request. Ignored if isThumbnail
/// is not true
static ImageProvider imageProvider({
Asset? asset,
String? assetId,
bool isThumbnail = false,
int thumbnailSize = 250,
}) {
if (asset == null && assetId == null) {
throw Exception('Must supply either asset or assetId');
}
if (asset == null) {
return ImmichRemoteImageProvider(
assetId: assetId!,
isThumbnail: isThumbnail,
);
}
if (useLocal(asset) && isThumbnail) {
return AssetEntityImageProvider(
asset.local!,
isOriginal: false,
thumbnailSize: ThumbnailSize.square(thumbnailSize),
);
} else if (useLocal(asset) && !isThumbnail) {
return ImmichLocalImageProvider(
asset: asset,
);
} else {
return ImmichRemoteImageProvider(
assetId: asset.remoteId!,
isThumbnail: isThumbnail,
);
}
}
static bool useLocal(Asset asset) =>
!asset.isRemote ||
asset.isLocal && !Store.get(StoreKey.preferRemoteImage, false);
@override
Widget build(BuildContext context) {
if (asset == null) {
return Container(
decoration: const BoxDecoration(
color: Colors.grey,
),
child: SizedBox(
width: width,
height: height,
child: const Center(
child: Icon(Icons.no_photography),
),
),
);
}
return OctoImage(
fadeInDuration: const Duration(milliseconds: 0),
fadeOutDuration: const Duration(milliseconds: 200),
placeholderBuilder: (context) {
if (placeholder != null) {
// Use the gray box placeholder
return placeholder!;
}
// No placeholder
return const SizedBox();
},
image: ImmichImage.imageProvider(
asset: asset,
isThumbnail: isThumbnail,
),
width: width,
height: height,
fit: fit,
errorBuilder: (context, error, stackTrace) {
if (error is PlatformException &&
error.code == "The asset not found!") {
debugPrint(
"Asset ${asset?.localId} does not exist anymore on device!",
);
} else {
debugPrint(
"Error getting thumb for assetId=${asset?.localId}: $error",
);
}
return Icon(
Icons.image_not_supported_outlined,
color: context.primaryColor,
);
},
);
}
}