35 lines
866 B
Dart
35 lines
866 B
Dart
import 'dart:typed_data';
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import 'package:photos/core/lru_map.dart';
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import 'package:photos/models/photo.dart';
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class ThumbnailLruCache {
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static LRUMap<_ThumbnailCacheKey, Uint8List> _map = LRUMap(5000);
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static Uint8List get(Photo photo, int size) {
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return _map.get(_ThumbnailCacheKey(photo, size));
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}
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static void put(Photo photo, int size, Uint8List imageData) {
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_map.put(_ThumbnailCacheKey(photo, size), imageData);
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}
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}
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class _ThumbnailCacheKey {
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Photo photo;
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int size;
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_ThumbnailCacheKey(this.photo, this.size);
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@override
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bool operator ==(Object other) =>
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identical(this, other) ||
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other is _ThumbnailCacheKey &&
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runtimeType == other.runtimeType &&
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photo.generatedId == other.photo.generatedId &&
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size == other.size;
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@override
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int get hashCode => photo.hashCode * size.hashCode;
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}
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