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Code Issues Packages Projects Releases 18 Wiki Activity

feat(mobile): sqlite asset viewer (#19552)

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* add full image provider and refactor thumb providers

* photo_view updates

* wip: asset-viewer

* fix controller dispose on page change

* wip: bottom sheet

* fix interactions

* more bottomsheet changes

* generate schema

* PR feedback

* refactor asset viewer

* never rotate and fix background on page change

* use photoview as the loading builder

* precache after delay

* claude: optimizing rebuild of image provider

* claude: optimizing image decoding and caching

* use proper cache for new full size image providers

* chore: load local HEIC fullsize for iOS

* make controller callbacks nullable

* remove imageprovider cache

* do not handle drag gestures when zoomed

* use loadOriginal setting for HEIC / larger images

* preload assets outside timer

* never use same controllers in photo-view gallery

* fix: cannot scroll down once swipe with bottom sheet

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>
Co-authored-by: Alex <alex.tran1502@gmail.com>
This commit is contained in:
shenlong
2025-07-02 23:54:37 +05:30
committed by GitHub
parent ec603a008c
commit 7855974a29
47 changed files with 1867 additions and 490 deletions
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21
mobile/lib/domain/services/timeline.service.dart
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@@ -57,14 +57,19 @@ class TimelineFactory {
class TimelineService {
final TimelineAssetSource _assetSource;
final TimelineBucketSource _bucketSource;
int _totalAssets = 0;
int get totalAssets => _totalAssets;
TimelineService({
required TimelineAssetSource assetSource,
required TimelineBucketSource bucketSource,
}) : _assetSource = assetSource,
_bucketSource = bucketSource {
_bucketSubscription =
_bucketSource().listen((_) => unawaited(reloadBucket()));
_bucketSubscription = _bucketSource().listen((buckets) {
_totalAssets =
buckets.fold<int>(0, (acc, bucket) => acc + bucket.assetCount);
unawaited(reloadBucket());
});
}
final AsyncMutex _mutex = AsyncMutex();
@@ -117,6 +122,7 @@ class TimelineService {
index >= _bufferOffset && index + count <= _bufferOffset + _buffer.length;
List<BaseAsset> getAssets(int index, int count) {
assert(index + count <= totalAssets);
if (!hasRange(index, count)) {
throw RangeError('TimelineService::getAssets Index out of range');
}
@@ -124,6 +130,17 @@ class TimelineService {
return _buffer.slice(start, start + count);
}
// Pre-cache assets around the given index for asset viewer
Future<void> preCacheAssets(int index) =>
_mutex.run(() => _loadAssets(index, 5));
BaseAsset getAsset(int index) {
if (!hasRange(index, 1)) {
throw RangeError('TimelineService::getAsset Index out of range');
}
return _buffer.elementAt(index - _bufferOffset);
}
Future<void> dispose() async {
await _bucketSubscription?.cancel();
_bucketSubscription = null;