Source Code added

mobile/lib/widgets/common/immich_image.dart

@@ -0,0 +1,84 @@
+import 'package:flutter/material.dart';
+import 'package:immich_mobile/domain/models/store.model.dart';
+import 'package:immich_mobile/entities/asset.entity.dart';
+import 'package:immich_mobile/entities/store.entity.dart';
+import 'package:immich_mobile/extensions/build_context_extensions.dart';
+import 'package:immich_mobile/providers/image/immich_local_image_provider.dart';
+import 'package:immich_mobile/providers/image/immich_remote_image_provider.dart';
+import 'package:immich_mobile/widgets/asset_grid/thumbnail_placeholder.dart';
+import 'package:octo_image/octo_image.dart';
+
+class ImmichImage extends StatelessWidget {
+  const ImmichImage(
+    this.asset, {
+    this.width,
+    this.height,
+    this.fit = BoxFit.cover,
+    this.placeholder = const ThumbnailPlaceholder(),
+    super.key,
+  });
+
+  final Asset? asset;
+  final Widget? placeholder;
+  final double? width;
+  final double? height;
+  final BoxFit fit;
+
+  // 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
+  static ImageProvider imageProvider({Asset? asset, String? assetId, double width = 1080, double height = 1920}) {
+    if (asset == null && assetId == null) {
+      throw Exception('Must supply either asset or assetId');
+    }
+
+    if (asset == null) {
+      return ImmichRemoteImageProvider(assetId: assetId!);
+    }
+
+    if (useLocal(asset)) {
+      return ImmichLocalImageProvider(asset: asset, width: width, height: height);
+    } else {
+      return ImmichRemoteImageProvider(assetId: asset.remoteId!);
+    }
+  }
+
+  // Whether to use the local asset image provider or a remote one
+  static bool useLocal(Asset asset) =>
+      !asset.isRemote || asset.isLocal && !Store.get(StoreKey.preferRemoteImage, false);
+
+  @override
+  Widget build(BuildContext context) {
+    if (asset == null) {
+      return Container(
+        color: Colors.grey,
+        width: width,
+        height: height,
+        child: const Center(child: Icon(Icons.no_photography)),
+      );
+    }
+
+    final imageProviderInstance = ImmichImage.imageProvider(asset: asset, width: context.width, height: context.height);
+
+    return OctoImage(
+      fadeInDuration: const Duration(milliseconds: 0),
+      fadeOutDuration: const Duration(milliseconds: 100),
+      placeholderBuilder: (context) {
+        if (placeholder != null) {
+          return placeholder!;
+        }
+        return const SizedBox();
+      },
+      image: imageProviderInstance,
+      width: width,
+      height: height,
+      fit: fit,
+      errorBuilder: (context, error, stackTrace) {
+        imageProviderInstance.evict();
+
+        return Icon(Icons.image_not_supported_outlined, size: 32, color: Colors.red[200]);
+      },
+    );
+  }
+}