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fixed broken cache after move, because of thumbnail provider equality issues

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This commit is contained in:
Thibault Deckers 2020-09-23 11:52:38 +09:00
parent 16a8665c96
commit 8ca38597e5
1 changed files with 8 additions and 5 deletions
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13
lib/widgets/common/image_providers/thumbnail_provider.dart
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@ -66,24 +66,27 @@ class ThumbnailProviderKey {
final ImageEntry entry;
final double extent;
final double scale;
// do not access `contentId` via `entry` for hashCode and equality purposes
// as an entry is not constant and its contentId can change
final int contentId;
const ThumbnailProviderKey({
ThumbnailProviderKey({
@required this.entry,
@required this.extent,
this.scale,
});
}) : contentId = entry.contentId;
@override
bool operator ==(Object other) {
if (other.runtimeType != runtimeType) return false;
return other is ThumbnailProviderKey && other.entry.contentId == entry.contentId && other.extent == extent && other.scale == scale;
return other is ThumbnailProviderKey && other.contentId == contentId && other.extent == extent && other.scale == scale;
}
@override
int get hashCode => hashValues(entry.contentId, extent, scale);
int get hashCode => hashValues(contentId, extent, scale);
@override
String toString() {
return 'ThumbnailProviderKey{contentId=${entry.contentId}, extent=$extent, scale=$scale}';
return 'ThumbnailProviderKey{contentId=$contentId, extent=$extent, scale=$scale}';
}
}