123 lines
5.4 KiB
Dart
123 lines
5.4 KiB
Dart
import 'package:aves/model/collection_lens.dart';
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import 'package:aves/model/filters/favourite.dart';
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import 'package:aves/model/filters/mime.dart';
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import 'package:aves/model/mime_types.dart';
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import 'package:aves/widgets/album/collection_app_bar.dart';
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import 'package:aves/widgets/album/collection_page.dart';
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import 'package:aves/widgets/album/collection_scaling.dart';
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import 'package:aves/widgets/album/collection_section.dart';
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import 'package:aves/widgets/album/empty.dart';
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import 'package:aves/widgets/common/scroll_thumb.dart';
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import 'package:draggable_scrollbar/draggable_scrollbar.dart';
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import 'package:flutter/material.dart';
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import 'package:outline_material_icons/outline_material_icons.dart';
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import 'package:provider/provider.dart';
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class ThumbnailCollection extends StatelessWidget {
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final ValueNotifier<PageState> stateNotifier;
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final ValueNotifier<double> _appBarHeightNotifier = ValueNotifier(0);
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final ValueNotifier<int> _columnCountNotifier = ValueNotifier(4);
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final GlobalKey _scrollableKey = GlobalKey();
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ThumbnailCollection({
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Key key,
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@required this.stateNotifier,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return SafeArea(
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child: Selector<MediaQueryData, double>(
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selector: (c, mq) => mq.viewInsets.bottom,
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builder: (c, mqViewInsetsBottom, child) {
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return Consumer<CollectionLens>(
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builder: (context, collection, child) {
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debugPrint('$runtimeType collection builder entries=${collection.entryCount}');
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final sectionKeys = collection.sections.keys.toList();
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final showHeaders = collection.showHeaders;
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return GridScaleGestureDetector(
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scrollableKey: _scrollableKey,
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columnCountNotifier: _columnCountNotifier,
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child: ValueListenableBuilder<int>(
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valueListenable: _columnCountNotifier,
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builder: (context, columnCount, child) {
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debugPrint('$runtimeType columnCount builder entries=${collection.entryCount} columnCount=$columnCount');
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final scrollView = CustomScrollView(
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key: _scrollableKey,
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primary: true,
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// workaround to prevent scrolling the app bar away
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// when there is no content and we use `SliverFillRemaining`
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physics: collection.isEmpty ? const NeverScrollableScrollPhysics() : null,
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slivers: [
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CollectionAppBar(
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stateNotifier: stateNotifier,
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appBarHeightNotifier: _appBarHeightNotifier,
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collection: collection,
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),
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if (collection.isEmpty)
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SliverFillRemaining(
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child: _buildEmptyCollectionPlaceholder(collection),
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hasScrollBody: false,
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),
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...sectionKeys.map((sectionKey) => SectionSliver(
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collection: collection,
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sectionKey: sectionKey,
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columnCount: columnCount,
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showHeader: showHeaders,
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)),
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SliverToBoxAdapter(
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child: Selector<MediaQueryData, double>(
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selector: (c, mq) => mq.viewInsets.bottom,
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builder: (c, mqViewInsetsBottom, child) {
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return SizedBox(height: mqViewInsetsBottom);
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},
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),
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),
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],
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);
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return ValueListenableBuilder<double>(
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valueListenable: _appBarHeightNotifier,
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builder: (context, appBarHeight, child) {
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return DraggableScrollbar(
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heightScrollThumb: avesScrollThumbHeight,
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backgroundColor: Colors.white,
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scrollThumbBuilder: avesScrollThumbBuilder(
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height: avesScrollThumbHeight,
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backgroundColor: Colors.white,
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),
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controller: PrimaryScrollController.of(context),
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padding: EdgeInsets.only(
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// padding to keep scroll thumb between app bar above and nav bar below
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top: appBarHeight,
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bottom: mqViewInsetsBottom,
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),
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child: child,
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);
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},
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child: scrollView,
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);
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},
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),
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);
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},
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);
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},
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),
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);
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}
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Widget _buildEmptyCollectionPlaceholder(CollectionLens collection) {
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return collection.filters.any((filter) => filter is FavouriteFilter)
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? const EmptyContent(
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icon: OMIcons.favoriteBorder,
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text: 'No favourites!',
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)
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: collection.filters.any((filter) => filter is MimeFilter && filter.mime == MimeTypes.ANY_VIDEO)
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? const EmptyContent(
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icon: OMIcons.movie,
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)
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: const EmptyContent();
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}
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}
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