62 lines
1.8 KiB
Dart
62 lines
1.8 KiB
Dart
import 'dart:async';
|
|
|
|
import 'package:aves/image_providers/thumbnail_provider.dart';
|
|
import 'package:aves/image_providers/uri_image_provider.dart';
|
|
import 'package:flutter/foundation.dart';
|
|
|
|
class EntryCache {
|
|
// ordered descending
|
|
static final thumbnailRequestExtents = <double>[];
|
|
|
|
static void markThumbnailExtent(double extent) {
|
|
if (!thumbnailRequestExtents.contains(extent)) {
|
|
thumbnailRequestExtents
|
|
..add(extent)
|
|
..sort((a, b) => b.compareTo(a));
|
|
}
|
|
}
|
|
|
|
static Future<void> evict(
|
|
String uri,
|
|
String mimeType,
|
|
int? dateModifiedSecs,
|
|
int rotationDegrees,
|
|
bool isFlipped,
|
|
) async {
|
|
debugPrint('Evict cached images for uri=$uri, mimeType=$mimeType, dateModifiedSecs=$dateModifiedSecs, rotationDegrees=$rotationDegrees, isFlipped=$isFlipped');
|
|
|
|
// TODO TLAD provide pageId parameter for multi page items, if someday image editing features are added for them
|
|
int? pageId;
|
|
|
|
// evict fullscreen image
|
|
await UriImage(
|
|
uri: uri,
|
|
mimeType: mimeType,
|
|
pageId: pageId,
|
|
rotationDegrees: rotationDegrees,
|
|
isFlipped: isFlipped,
|
|
).evict();
|
|
|
|
// evict low quality thumbnail (without specified extents)
|
|
await ThumbnailProvider(ThumbnailProviderKey(
|
|
uri: uri,
|
|
mimeType: mimeType,
|
|
pageId: pageId,
|
|
dateModifiedSecs: dateModifiedSecs ?? 0,
|
|
rotationDegrees: rotationDegrees,
|
|
isFlipped: isFlipped,
|
|
)).evict();
|
|
|
|
await Future.forEach<double>(
|
|
thumbnailRequestExtents,
|
|
(extent) => ThumbnailProvider(ThumbnailProviderKey(
|
|
uri: uri,
|
|
mimeType: mimeType,
|
|
pageId: pageId,
|
|
dateModifiedSecs: dateModifiedSecs ?? 0,
|
|
rotationDegrees: rotationDegrees,
|
|
isFlipped: isFlipped,
|
|
extent: extent,
|
|
)).evict());
|
|
}
|
|
}
|