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Throttle update events in ListAlbum

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Ming Ming 2021-08-01 03:49:28 +08:00
parent c3376b10da
commit ca5714c816
1 changed files with 19 additions and 2 deletions
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21
lib/bloc/list_album.dart
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@ -5,6 +5,7 @@ import 'package:nc_photos/entity/album.dart';
import 'package:nc_photos/entity/file.dart'; import 'package:nc_photos/entity/file.dart';
import 'package:nc_photos/entity/file/data_source.dart'; import 'package:nc_photos/entity/file/data_source.dart';
import 'package:nc_photos/event/event.dart'; import 'package:nc_photos/event/event.dart';
import 'package:nc_photos/throttler.dart';
import 'package:nc_photos/use_case/list_album.dart'; import 'package:nc_photos/use_case/list_album.dart';
import 'package:tuple/tuple.dart'; import 'package:tuple/tuple.dart';
@ -99,6 +100,13 @@ class ListAlbumBloc extends Bloc<ListAlbumBlocEvent, ListAlbumBlocState> {
_albumUpdatedListener.begin(); _albumUpdatedListener.begin();
_fileRemovedListener.begin(); _fileRemovedListener.begin();
_albumCreatedListener.begin(); _albumCreatedListener.begin();
_refreshThrottler = Throttler(
onTriggered: (_) {
add(_ListAlbumBlocExternalEvent());
},
logTag: "ListAlbumBloc.refresh",
);
} }
@override @override
@ -116,6 +124,7 @@ class ListAlbumBloc extends Bloc<ListAlbumBlocEvent, ListAlbumBlocState> {
_albumUpdatedListener.end(); _albumUpdatedListener.end();
_fileRemovedListener.end(); _fileRemovedListener.end();
_albumCreatedListener.end(); _albumCreatedListener.end();
_refreshThrottler.clear();
return super.close(); return super.close();
} }
@ -151,7 +160,10 @@ class ListAlbumBloc extends Bloc<ListAlbumBlocEvent, ListAlbumBlocState> {
// no data in this bloc, ignore // no data in this bloc, ignore
return; return;
} }
add(_ListAlbumBlocExternalEvent()); _refreshThrottler.trigger(
maxResponceTime: const Duration(seconds: 3),
maxPendingCount: 10,
);
} }
void _onFileRemovedEvent(FileRemovedEvent ev) { void _onFileRemovedEvent(FileRemovedEvent ev) {
@ -160,7 +172,10 @@ class ListAlbumBloc extends Bloc<ListAlbumBlocEvent, ListAlbumBlocState> {
return; return;
} }
if (isAlbumFile(ev.account, ev.file)) { if (isAlbumFile(ev.account, ev.file)) {
add(_ListAlbumBlocExternalEvent()); _refreshThrottler.trigger(
maxResponceTime: const Duration(seconds: 3),
maxPendingCount: 10,
);
} }
} }
@ -210,5 +225,7 @@ class ListAlbumBloc extends Bloc<ListAlbumBlocEvent, ListAlbumBlocState> {
late AppEventListener<FileRemovedEvent> _fileRemovedListener; late AppEventListener<FileRemovedEvent> _fileRemovedListener;
late AppEventListener<AlbumCreatedEvent> _albumCreatedListener; late AppEventListener<AlbumCreatedEvent> _albumCreatedListener;
late Throttler _refreshThrottler;
static final _log = Logger("bloc.list_album.ListAlbumBloc"); static final _log = Logger("bloc.list_album.ListAlbumBloc");
} }