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MrbWebLibre/apps/weblibre/lib/presentation/widgets/safe_raw_image.dart
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Dart

/*
* Copyright (c) 2024-2026 Fabian Freund.
*
* This file is part of WebLibre
* (see https://weblibre.eu).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
import 'package:flutter/widgets.dart';
import 'package:weblibre/domain/entities/equatable_image.dart';
/// A safe wrapper around [RawImage] that guards against disposed images.
///
/// Checks [EquatableImage.isDisposed] before rendering. When the image
/// is null or disposed, renders [fallback] (defaults to an empty SizedBox
/// matching the requested dimensions).
class SafeRawImage extends StatelessWidget {
final EquatableImage? image;
final double? width;
final double? height;
final BoxFit? fit;
final Widget? fallback;
const SafeRawImage({
super.key,
required this.image,
this.width,
this.height,
this.fit,
this.fallback,
});
@override
Widget build(BuildContext context) {
final uiImage = image?.value;
if (uiImage == null) {
return fallback ?? SizedBox(width: width, height: height);
}
return RawImage(image: uiImage, width: width, height: height, fit: fit);
}
}