mirror of
https://github.com/immich-app/immich.git
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1de2eae12d
Remove loading of thumbnail in the image provider * Removed the load of the thumbnail from the local and remote image provider as they shall provide the image, not the thumbnail. The thumbnail gets provided by the thumbnail provider. * The thumbnail provider is used as the loadingBuilder and the image provider as the imageProvider. Therefore loading the thumbnail in the image provider loads it a second time which is completely redundant, uses precious time and yields no results. Co-authored-by: Alex <alex.tran1502@gmail.com>
108 lines
3.1 KiB
Dart
108 lines
3.1 KiB
Dart
import 'dart:async';
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import 'dart:ui' as ui;
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:flutter_cache_manager/flutter_cache_manager.dart';
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import 'package:immich_mobile/providers/image/cache/image_loader.dart';
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import 'package:immich_mobile/providers/image/cache/remote_image_cache_manager.dart';
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import 'package:openapi/api.dart' as api;
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import 'package:flutter/foundation.dart';
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import 'package:flutter/painting.dart';
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import 'package:immich_mobile/services/app_settings.service.dart';
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import 'package:immich_mobile/entities/asset.entity.dart';
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import 'package:immich_mobile/entities/store.entity.dart';
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import 'package:immich_mobile/utils/image_url_builder.dart';
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/// The remote image provider for full size remote images
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class ImmichRemoteImageProvider
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extends ImageProvider<ImmichRemoteImageProvider> {
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/// The [Asset.remoteId] of the asset to fetch
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final String assetId;
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/// The image cache manager
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final CacheManager? cacheManager;
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ImmichRemoteImageProvider({
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required this.assetId,
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this.cacheManager,
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});
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/// Converts an [ImageProvider]'s settings plus an [ImageConfiguration] to a key
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/// that describes the precise image to load.
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@override
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Future<ImmichRemoteImageProvider> obtainKey(
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ImageConfiguration configuration,
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) {
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return SynchronousFuture(this);
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}
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@override
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ImageStreamCompleter loadImage(
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ImmichRemoteImageProvider key,
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ImageDecoderCallback decode,
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) {
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final cache = cacheManager ?? RemoteImageCacheManager();
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final chunkEvents = StreamController<ImageChunkEvent>();
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return MultiImageStreamCompleter(
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codec: _codec(key, cache, decode, chunkEvents),
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scale: 1.0,
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chunkEvents: chunkEvents.stream,
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);
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}
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/// Whether to show the original file or load a compressed version
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bool get _useOriginal => Store.get(
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AppSettingsEnum.loadOriginal.storeKey,
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AppSettingsEnum.loadOriginal.defaultValue,
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);
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// Streams in each stage of the image as we ask for it
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Stream<ui.Codec> _codec(
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ImmichRemoteImageProvider key,
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CacheManager cache,
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ImageDecoderCallback decode,
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StreamController<ImageChunkEvent> chunkEvents,
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) async* {
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// Load the higher resolution version of the image
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final url = getThumbnailUrlForRemoteId(
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key.assetId,
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type: api.AssetMediaSize.preview,
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);
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final codec = await ImageLoader.loadImageFromCache(
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url,
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cache: cache,
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decode: decode,
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chunkEvents: chunkEvents,
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);
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yield codec;
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// Load the final remote image
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if (_useOriginal) {
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// Load the original image
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final url = getOriginalUrlForRemoteId(key.assetId);
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final codec = await ImageLoader.loadImageFromCache(
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url,
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cache: cache,
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decode: decode,
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chunkEvents: chunkEvents,
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);
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yield codec;
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}
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await chunkEvents.close();
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}
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@override
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bool operator ==(Object other) {
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if (identical(this, other)) return true;
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if (other is ImmichRemoteImageProvider) {
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return assetId == other.assetId;
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}
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return false;
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}
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@override
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int get hashCode => assetId.hashCode;
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}
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