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explorer: source state listening

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This commit is contained in:
Thibault Deckers 2024-06-25 00:05:54 +02:00
parent 97e05506a3
commit 4a0009f4f0
1 changed files with 41 additions and 15 deletions
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56
lib/widgets/explorer/explorer_page.dart
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@ -1,3 +1,4 @@
import 'dart:async';
import 'dart:io';
import 'package:aves/model/filters/album.dart';
@ -5,6 +6,7 @@ import 'package:aves/model/filters/filters.dart';
import 'package:aves/model/filters/path.dart';
import 'package:aves/model/settings/enums/accessibility_animations.dart';
import 'package:aves/model/settings/settings.dart';
import 'package:aves/model/source/album.dart';
import 'package:aves/model/source/collection_source.dart';
import 'package:aves/services/common/services.dart';
import 'package:aves/theme/durations.dart';
@ -47,6 +49,7 @@ class ExplorerPage extends StatefulWidget {
}
class _ExplorerPageState extends State<ExplorerPage> {
final List<StreamSubscription> _subscriptions = [];
final ValueNotifier<VolumeRelativeDirectory> _directory = ValueNotifier(const VolumeRelativeDirectory(volumePath: '', relativeDir: ''));
final ValueNotifier<List<Directory>> _contents = ValueNotifier([]);
final DoubleBackPopHandler _doubleBackPopHandler = DoubleBackPopHandler();
@ -72,10 +75,17 @@ class _ExplorerPageState extends State<ExplorerPage> {
_goTo(primaryVolume.path);
}
}
WidgetsBinding.instance.addPostFrameCallback((_) {
final source = context.read<CollectionSource>();
_subscriptions.add(source.eventBus.on<AlbumsChangedEvent>().listen((event) => _updateContents()));
});
}
@override
void dispose() {
_subscriptions
..forEach((sub) => sub.cancel())
..clear();
_doubleBackPopHandler.dispose();
super.dispose();
}
@ -106,21 +116,33 @@ class _ExplorerPageState extends State<ExplorerPage> {
valueListenable: _contents,
builder: (context, contents, child) {
if (contents.isEmpty) {
final source = context.read<CollectionSource>();
final album = _getAlbumPath(source, Directory(_currentDirectoryPath));
return Center(
child: EmptyContent(
icon: AIcons.folder,
text: '',
bottom: album != null
? AvesFilterChip(
filter: AlbumFilter(album, source.getAlbumDisplayName(context, album)),
maxWidth: double.infinity,
onTap: (filter) => _goToCollectionPage(context, filter),
onLongPress: null,
)
: null,
),
return Selector<CollectionSource, bool>(
selector: (context, source) => source.state == SourceState.loading,
builder: (context, loading, child) {
Widget? bottom;
if (loading) {
bottom = const CircularProgressIndicator();
} else {
final source = context.read<CollectionSource>();
final album = _getAlbumPath(source, Directory(_currentDirectoryPath));
if (album != null) {
bottom = AvesFilterChip(
filter: AlbumFilter(album, source.getAlbumDisplayName(context, album)),
maxWidth: double.infinity,
onTap: (filter) => _goToCollectionPage(context, filter),
onLongPress: null,
);
}
}
return Center(
child: EmptyContent(
icon: AIcons.folder,
text: '',
bottom: bottom,
),
);
},
);
}
final durations = context.watch<DurationsData>();
@ -254,6 +276,10 @@ class _ExplorerPageState extends State<ExplorerPage> {
void _goTo(String path) {
_directory.value = androidFileUtils.relativeDirectoryFromPath(path)!;
_updateContents();
}
void _updateContents() {
final contents = <Directory>[];
final source = context.read<CollectionSource>();