light at the end of the tunnel
This commit is contained in:
mertalev
@@ -1,36 +1,21 @@
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import 'dart:async';
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import 'dart:io';
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import 'dart:ui';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/widgets.dart';
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import 'package:flutter_cache_manager/flutter_cache_manager.dart';
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import 'package:immich_mobile/domain/models/asset/base_asset.model.dart';
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import 'package:immich_mobile/domain/models/setting.model.dart';
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import 'package:immich_mobile/domain/services/setting.service.dart';
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import 'package:immich_mobile/extensions/codec_extensions.dart';
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import 'package:immich_mobile/infrastructure/repositories/asset_media.repository.dart';
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import 'package:immich_mobile/infrastructure/repositories/storage.repository.dart';
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import 'package:immich_mobile/presentation/widgets/images/image_provider.dart';
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import 'package:immich_mobile/presentation/widgets/images/one_frame_multi_image_stream_completer.dart';
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import 'package:immich_mobile/presentation/widgets/timeline/constants.dart';
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import 'package:immich_mobile/providers/image/cache/thumbnail_image_cache_manager.dart';
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import 'package:immich_mobile/providers/image/exceptions/image_loading_exception.dart';
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import 'package:logging/logging.dart';
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class LocalThumbProvider extends ImageProvider<LocalThumbProvider> {
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final AssetMediaRepository _assetMediaRepository = const AssetMediaRepository();
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final CacheManager? cacheManager;
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static const _assetMediaRepository = AssetMediaRepository();
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final String id;
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final DateTime updatedAt;
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final Size size;
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final DateTime? updatedAt;
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const LocalThumbProvider({
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required this.id,
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required this.updatedAt,
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this.size = kThumbnailResolution,
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this.cacheManager,
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required this.size,
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this.updatedAt,
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});
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@override
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@@ -39,11 +24,12 @@ class LocalThumbProvider extends ImageProvider<LocalThumbProvider> {
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}
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@override
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ImageStreamCompleter loadImage(LocalThumbProvider key, ImageDecoderCallback decode) {
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final cache = cacheManager ?? ThumbnailImageCacheManager();
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return MultiFrameImageStreamCompleter(
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codec: _codec(key, cache, decode),
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scale: 1.0,
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ImageStreamCompleter loadImage(
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LocalThumbProvider key,
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ImageDecoderCallback decode,
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) {
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return OneFrameImageStreamCompleter(
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_codec(key),
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informationCollector: () => <DiagnosticsNode>[
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DiagnosticsProperty<String>('Id', key.id),
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DiagnosticsProperty<DateTime>('Updated at', key.updatedAt),
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@@ -52,33 +38,19 @@ class LocalThumbProvider extends ImageProvider<LocalThumbProvider> {
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);
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}
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Future<Codec> _codec(LocalThumbProvider key, CacheManager cache, ImageDecoderCallback decode) async {
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final cacheKey = '${key.id}-${key.updatedAt}-${key.size.width}x${key.size.height}';
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final fileFromCache = await cache.getFileFromCache(cacheKey);
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if (fileFromCache != null) {
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try {
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final buffer = await ImmutableBuffer.fromFilePath(fileFromCache.file.path);
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return decode(buffer);
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} catch (_) {}
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}
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final thumbnailBytes = await _assetMediaRepository.getThumbnail(key.id, size: key.size);
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if (thumbnailBytes == null) {
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PaintingBinding.instance.imageCache.evict(key);
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throw StateError("Loading thumb for local photo ${key.id} failed");
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}
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final buffer = await ImmutableBuffer.fromUint8List(thumbnailBytes);
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unawaited(cache.putFile(cacheKey, thumbnailBytes));
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return decode(buffer);
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Future<ImageInfo> _codec(LocalThumbProvider key) async {
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final codec =
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await _assetMediaRepository.getLocalThumbnail(key.id, key.size);
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return ImageInfo(image: (await codec.getNextFrame()).image, scale: 1.0);
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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 LocalThumbProvider) {
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return id == other.id && updatedAt == other.updatedAt;
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return id == other.id &&
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size == other.size &&
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updatedAt == other.updatedAt;
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}
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return false;
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}
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@@ -88,15 +60,12 @@ class LocalThumbProvider extends ImageProvider<LocalThumbProvider> {
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}
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class LocalFullImageProvider extends ImageProvider<LocalFullImageProvider> {
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final AssetMediaRepository _assetMediaRepository = const AssetMediaRepository();
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final StorageRepository _storageRepository = const StorageRepository();
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static const _assetMediaRepository = AssetMediaRepository();
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final String id;
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final Size size;
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final AssetType type;
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final DateTime updatedAt; // temporary, only exists to fetch cached thumbnail until local disk cache is removed
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const LocalFullImageProvider({required this.id, required this.size, required this.type, required this.updatedAt});
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const LocalFullImageProvider({required this.id, required this.size});
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@override
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Future<LocalFullImageProvider> obtainKey(ImageConfiguration configuration) {
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@@ -104,101 +73,32 @@ class LocalFullImageProvider extends ImageProvider<LocalFullImageProvider> {
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}
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@override
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ImageStreamCompleter loadImage(LocalFullImageProvider key, ImageDecoderCallback decode) {
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return OneFramePlaceholderImageStreamCompleter(
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_codec(key, decode),
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initialImage: getCachedImage(LocalThumbProvider(id: key.id, updatedAt: key.updatedAt)),
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informationCollector: () => <DiagnosticsNode>[
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DiagnosticsProperty<String>('Id', key.id),
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DiagnosticsProperty<DateTime>('Updated at', key.updatedAt),
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DiagnosticsProperty<Size>('Size', key.size),
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],
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ImageStreamCompleter loadImage(
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LocalFullImageProvider key,
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ImageDecoderCallback decode,
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) {
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return OneFrameImageStreamCompleter(_codec(key));
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}
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Future<ImageInfo> _codec(LocalFullImageProvider key) async {
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final devicePixelRatio =
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PlatformDispatcher.instance.views.first.devicePixelRatio;
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final codec = await _assetMediaRepository.getLocalThumbnail(
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key.id,
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Size(size.width * devicePixelRatio, size.height * devicePixelRatio),
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);
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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<ImageInfo> _codec(LocalFullImageProvider key, ImageDecoderCallback decode) {
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try {
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return switch (key.type) {
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AssetType.image => _decodeProgressive(key, decode),
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AssetType.video => _getThumbnailCodec(key, decode),
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_ => throw StateError('Unsupported asset type ${key.type}'),
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};
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} catch (error, stack) {
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Logger('ImmichLocalImageProvider').severe('Error loading local image ${key.id}', error, stack);
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throw const ImageLoadingException('Could not load image from local storage');
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}
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}
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Stream<ImageInfo> _getThumbnailCodec(LocalFullImageProvider key, ImageDecoderCallback decode) async* {
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final thumbBytes = await _assetMediaRepository.getThumbnail(key.id, size: key.size);
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if (thumbBytes == null) {
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throw StateError("Failed to load preview for ${key.id}");
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}
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final buffer = await ImmutableBuffer.fromUint8List(thumbBytes);
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final codec = await decode(buffer);
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yield await codec.getImageInfo();
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}
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Stream<ImageInfo> _decodeProgressive(LocalFullImageProvider key, ImageDecoderCallback decode) async* {
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final file = await _storageRepository.getFileForAsset(key.id);
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if (file == null) {
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throw StateError("Opening file for asset ${key.id} failed");
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}
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final fileSize = await file.length();
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final devicePixelRatio = PlatformDispatcher.instance.views.first.devicePixelRatio;
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final isLargeFile = fileSize > 20 * 1024 * 1024; // 20MB
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final isHEIC = file.path.toLowerCase().contains(RegExp(r'\.(heic|heif)$'));
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final isProgressive = isLargeFile || (isHEIC && !Platform.isIOS);
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if (isProgressive) {
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try {
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final progressiveMultiplier = devicePixelRatio >= 3.0 ? 1.3 : 1.2;
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final size = Size(
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(key.size.width * progressiveMultiplier).clamp(256, 1024),
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(key.size.height * progressiveMultiplier).clamp(256, 1024),
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);
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final mediumThumb = await _assetMediaRepository.getThumbnail(key.id, size: size);
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if (mediumThumb != null) {
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final mediumBuffer = await ImmutableBuffer.fromUint8List(mediumThumb);
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final codec = await decode(mediumBuffer);
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yield await codec.getImageInfo();
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}
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} catch (_) {}
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}
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// Load original only when the file is smaller or if the user wants to load original images
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// Or load a slightly larger image for progressive loading
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if (isProgressive && !(AppSetting.get(Setting.loadOriginal))) {
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final progressiveMultiplier = devicePixelRatio >= 3.0 ? 2.0 : 1.6;
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final size = Size(
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(key.size.width * progressiveMultiplier).clamp(512, 2048),
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(key.size.height * progressiveMultiplier).clamp(512, 2048),
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);
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final highThumb = await _assetMediaRepository.getThumbnail(key.id, size: size);
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if (highThumb != null) {
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final highBuffer = await ImmutableBuffer.fromUint8List(highThumb);
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final codec = await decode(highBuffer);
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yield await codec.getImageInfo();
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}
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return;
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}
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final buffer = await ImmutableBuffer.fromFilePath(file.path);
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final codec = await decode(buffer);
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yield await codec.getImageInfo();
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return ImageInfo(image: (await codec.getNextFrame()).image, scale: 1.0);
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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 LocalFullImageProvider) {
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return id == other.id && size == other.size && type == other.type;
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return id == other.id && size == other.size;
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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 => id.hashCode ^ size.hashCode ^ type.hashCode;
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int get hashCode => id.hashCode ^ size.hashCode;
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}
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