ente/lib/ui/shared_collections_gallery.dart
2020-10-14 03:16:46 +05:30

147 lines
4.3 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:logging/logging.dart';
import 'package:photos/core/event_bus.dart';
import 'package:photos/db/collections_db.dart';
import 'package:photos/db/files_db.dart';
import 'package:photos/events/remote_sync_event.dart';
import 'package:photos/models/file.dart';
import 'package:photos/models/shared_collection.dart';
import 'package:photos/ui/common_elements.dart';
import 'package:photos/ui/loading_widget.dart';
import 'package:photos/ui/shared_collection_page.dart';
import 'package:photos/ui/thumbnail_widget.dart';
class SharedCollectionGallery extends StatefulWidget {
const SharedCollectionGallery({Key key}) : super(key: key);
@override
_SharedCollectionGalleryState createState() =>
_SharedCollectionGalleryState();
}
class _SharedCollectionGalleryState extends State<SharedCollectionGallery> {
Logger _logger = Logger("SharedCollectionGallery");
StreamSubscription<RemoteSyncEvent> _subscription;
@override
void initState() {
_subscription = Bus.instance.on<RemoteSyncEvent>().listen((event) {
if (event.success) {
setState(() {});
}
});
super.initState();
}
@override
Widget build(BuildContext context) {
return FutureBuilder<List<SharedCollectionWithThumbnail>>(
future: CollectionsDB.instance
.getAllSharedCollections()
.then((collections) async {
final c = List<SharedCollectionWithThumbnail>();
for (final collection in collections) {
var thumbnail;
try {
thumbnail =
await FilesDB.instance.getLatestFileInCollection(collection.id);
} catch (e) {
_logger.warning(e.toString());
}
c.add(SharedCollectionWithThumbnail(collection, thumbnail));
}
return c;
}),
builder: (context, snapshot) {
if (snapshot.hasData) {
if (snapshot.data.isEmpty) {
return nothingToSeeHere;
} else {
return _getSharedCollectionsGallery(snapshot.data);
}
} else if (snapshot.hasError) {
_logger.shout(snapshot.error);
return Center(child: Text(snapshot.error.toString()));
} else {
return loadWidget;
}
},
);
}
Widget _getSharedCollectionsGallery(
List<SharedCollectionWithThumbnail> collections) {
return Container(
margin: EdgeInsets.only(top: 24),
child: GridView.builder(
shrinkWrap: true,
padding: EdgeInsets.only(bottom: 12),
physics: ScrollPhysics(), // to disable GridView's scrolling
itemBuilder: (context, index) {
return _buildCollection(context, collections[index]);
},
itemCount: collections.length,
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: 2,
),
),
);
}
Widget _buildCollection(
BuildContext context, SharedCollectionWithThumbnail c) {
_logger.info("Building collection " + c.collection.toString());
return GestureDetector(
child: Column(
children: <Widget>[
Container(
child: c.thumbnail ==
null // When the user has shared a folder without photos
? Icon(Icons.error)
: Hero(
tag: "shared_collection" + c.thumbnail.tag(),
child: ThumbnailWidget(c.thumbnail)),
height: 150,
width: 150,
),
Padding(padding: EdgeInsets.all(2)),
Expanded(
child: Text(
c.collection.name,
style: TextStyle(
fontSize: 16,
),
),
),
],
),
onTap: () {
final page = SharedCollectionPage(c.collection);
Navigator.of(context).push(
MaterialPageRoute(
builder: (BuildContext context) {
return page;
},
),
);
},
);
}
@override
void dispose() {
_subscription.cancel();
super.dispose();
}
}
class SharedCollectionWithThumbnail {
final SharedCollection collection;
final File thumbnail;
SharedCollectionWithThumbnail(this.collection, this.thumbnail);
}