search: revert custom app bar, added matching suggestions

lib/main.dart

@@ -5,7 +5,6 @@ import 'package:aves/model/settings.dart';
 import 'package:aves/utils/android_file_utils.dart';
 import 'package:aves/utils/viewer_service.dart';
 import 'package:aves/widgets/album/collection_page.dart';
-import 'package:aves/widgets/common/data_providers/media_query_data_provider.dart';
 import 'package:aves/widgets/common/data_providers/media_store_collection_provider.dart';
 import 'package:aves/widgets/fullscreen/fullscreen_page.dart';
 import 'package:flutter/material.dart';

lib/model/collection_lens.dart

@@ -75,13 +75,16 @@ class CollectionLens with ChangeNotifier {
   Object heroTag(ImageEntry entry) => '$hashCode${entry.uri}';
 
   void addFilter(CollectionFilter filter) {
-    if (filters.contains(filter)) return;
+    if (filter == null || filters.contains(filter)) return;
+    if (filter.isUnique) {
+      filters.removeWhere((old) => old.typeKey == filter.typeKey);
+    }
     filters.add(filter);
     onFilterChanged();
   }
 
   void removeFilter(CollectionFilter filter) {
-    if (!filters.contains(filter)) return;
+    if (filter == null || !filters.contains(filter)) return;
     filters.remove(filter);
     onFilterChanged();
   }

lib/model/filters/album.dart

@@ -16,13 +16,15 @@ class AlbumFilter extends CollectionFilter {
 
   final String album;
 
-  const AlbumFilter(this.album);
+  final String uniqueName;
+
+  const AlbumFilter(this.album, this.uniqueName);
 
   @override
   bool filter(ImageEntry entry) => entry.directory == album;
 
   @override
-  String get label => album.split(separator).last;
+  String get label => uniqueName ?? album.split(separator).last;
 
   @override
   String get tooltip => album;

lib/model/filters/filters.dart

@@ -26,6 +26,8 @@ abstract class CollectionFilter implements Comparable<CollectionFilter> {
 
   bool filter(ImageEntry entry);
 
+  bool get isUnique => true;
+
   String get label;
 
   String get tooltip => label;

lib/model/filters/query.dart

@@ -1,15 +1,7 @@
 import 'package:aves/model/filters/filters.dart';
 import 'package:aves/model/image_entry.dart';
-import 'package:aves/utils/android_file_utils.dart';
-import 'package:aves/utils/color_utils.dart';
-import 'package:aves/widgets/common/icons.dart';
-import 'package:aves/widgets/common/image_providers/app_icon_image_provider.dart';
-import 'package:collection/collection.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter/widgets.dart';
 import 'package:outline_material_icons/outline_material_icons.dart';
-import 'package:palette_generator/palette_generator.dart';
-import 'package:path/path.dart';
 
 class QueryFilter extends CollectionFilter {
   static const type = 'query';
@@ -21,6 +13,9 @@ class QueryFilter extends CollectionFilter {
   @override
   bool filter(ImageEntry entry) => entry.search(query);
 
+  @override
+  bool get isUnique => false;
+
   @override
   String get label => '${query}';
 

lib/model/filters/tag.dart

@@ -13,6 +13,9 @@ class TagFilter extends CollectionFilter {
   @override
   bool filter(ImageEntry entry) => entry.xmpSubjects.contains(tag);
 
+  @override
+  bool get isUnique => false;
+
   @override
   String get label => tag;
 

lib/utils/constants.dart

@@ -6,6 +6,19 @@ class Constants {
   // so we give it a `strutStyle` with a slightly larger height
   static const overflowStrutStyle = StrutStyle(height: 1.3);
 
+  static const titleTextStyle = TextStyle(
+    color: Color(0xFFEEEEEE),
+    fontSize: 20,
+    fontFamily: 'Concourse Caps',
+    shadows: [
+      Shadow(
+        offset: Offset(0, 2),
+        blurRadius: 3,
+        color: Color(0xFF212121),
+      ),
+    ],
+  );
+
   // TODO TLAD smarter sizing, but shouldn't only depend on `extent` so that it doesn't reload during gridview scaling
   static const double thumbnailCacheExtent = 50;
 

lib/widgets/album/collection_app_bar.dart

@@ -3,6 +3,7 @@ import 'package:aves/model/filters/query.dart';
 import 'package:aves/model/settings.dart';
 import 'package:aves/widgets/album/collection_page.dart';
 import 'package:aves/widgets/album/filter_bar.dart';
+import 'package:aves/widgets/album/search_delegate.dart';
 import 'package:aves/widgets/common/menu_row.dart';
 import 'package:aves/widgets/stats.dart';
 import 'package:flutter/foundation.dart';
@@ -121,9 +122,17 @@ class _CollectionAppBarState extends State<CollectionAppBar> with SingleTickerPr
         builder: (context) {
           switch (stateNotifier.value) {
             case PageState.browse:
-              return IconButton(
+              return Consumer<CollectionLens>(
+                builder: (context, collection, child) => IconButton(
                   icon: Icon(OMIcons.search),
-                onPressed: () => stateNotifier.value = PageState.search,
+                  onPressed: () async {
+                    final filter = await showSearch(
+                      context: context,
+                      delegate: ImageSearchDelegate(collection),
+                    );
+                    collection.addFilter(filter);
+                  },
+                ),
               );
             case PageState.search:
               return IconButton(

lib/widgets/album/collection_drawer.dart

@@ -98,7 +98,7 @@ class _CollectionDrawerState extends State<CollectionDrawer> {
           leading: IconUtils.getAlbumIcon(context: context, album: album),
           title: CollectionSource.getUniqueAlbumName(album, source.sortedAlbums),
           dense: true,
-          filter: AlbumFilter(album),
+          filter: AlbumFilter(album, CollectionSource.getUniqueAlbumName(album, source.sortedAlbums)),
         );
     final buildTagEntry = (tag) => _FilteredCollectionNavTile(
           source: source,

lib/widgets/album/collection_page.dart

@@ -1,6 +1,7 @@
 import 'package:aves/model/collection_lens.dart';
 import 'package:aves/widgets/album/collection_app_bar.dart';
 import 'package:aves/widgets/album/collection_drawer.dart';
+import 'package:aves/widgets/album/empty.dart';
 import 'package:aves/widgets/album/thumbnail_collection.dart';
 import 'package:aves/widgets/common/data_providers/media_query_data_provider.dart';
 import 'package:flutter/foundation.dart';
@@ -47,6 +48,7 @@ class CollectionPageBody extends StatelessWidget {
         appBar: CollectionAppBar(
           stateNotifier: _stateNotifier,
         ),
+        emptyBuilder: (context) => EmptyContent(),
       ),
     );
   }

lib/widgets/album/empty.dart

@@ -0,0 +1,31 @@
+import 'package:flutter/material.dart';
+import 'package:outline_material_icons/outline_material_icons.dart';
+
+class EmptyContent extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    const color = Color(0xFF607D8B);
+    return Align(
+      alignment: const FractionalOffset(.5, .4),
+      child: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: const [
+          Icon(
+            OMIcons.photo,
+            size: 64,
+            color: color,
+          ),
+          SizedBox(height: 16),
+          Text(
+            'Nothing!',
+            style: TextStyle(
+              color: color,
+              fontSize: 22,
+              fontFamily: 'Concourse',
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/widgets/album/filter_bar.dart

@@ -4,9 +4,7 @@ import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
 
 class FilterBar extends StatelessWidget implements PreferredSizeWidget {
-  static const EdgeInsets padding = EdgeInsets.symmetric(horizontal: 8);
+  static final double preferredHeight = kMinInteractiveDimension;
-
-  static final double preferredHeight = kMinInteractiveDimension + padding.vertical;
 
   @override
   final Size preferredSize = Size.fromHeight(preferredHeight);
@@ -20,7 +18,6 @@ class FilterBar extends StatelessWidget implements PreferredSizeWidget {
       // specify transparent as a workaround to prevent
       // chip border clipping when the floating app bar is fading
       color: Colors.transparent,
-      padding: padding,
       height: preferredSize.height,
       child: NotificationListener<ScrollNotification>(
         // cancel notification bubbling so that the draggable scrollbar
@@ -28,9 +25,8 @@ class FilterBar extends StatelessWidget implements PreferredSizeWidget {
         onNotification: (notification) => true,
         child: ListView.separated(
           scrollDirection: Axis.horizontal,
-          primary: false,
           physics: const BouncingScrollPhysics(),
-          padding: const EdgeInsets.all(AvesFilterChip.buttonBorderWidth / 2),
+          padding: const EdgeInsets.all(AvesFilterChip.buttonBorderWidth / 2) + const EdgeInsets.symmetric(horizontal: 6),
           itemBuilder: (context, index) {
             if (index >= filters.length) return null;
             final filter = filters[index];

lib/widgets/album/search_delegate.dart

@@ -1,13 +1,19 @@
 import 'package:aves/model/collection_lens.dart';
+import 'package:aves/model/collection_source.dart';
+import 'package:aves/model/filters/album.dart';
+import 'package:aves/model/filters/country.dart';
+import 'package:aves/model/filters/favourite.dart';
+import 'package:aves/model/filters/filters.dart';
+import 'package:aves/model/filters/gif.dart';
 import 'package:aves/model/filters/query.dart';
-import 'package:aves/model/image_entry.dart';
+import 'package:aves/model/filters/tag.dart';
-import 'package:aves/widgets/album/thumbnail_collection.dart';
+import 'package:aves/model/filters/video.dart';
-import 'package:aves/widgets/common/data_providers/media_query_data_provider.dart';
+import 'package:aves/utils/constants.dart';
+import 'package:aves/widgets/common/aves_filter_chip.dart';
 import 'package:flutter/material.dart';
 import 'package:outline_material_icons/outline_material_icons.dart';
-import 'package:provider/provider.dart';
 
-class ImageSearchDelegate extends SearchDelegate<ImageEntry> {
+class ImageSearchDelegate extends SearchDelegate<CollectionFilter> {
   final CollectionLens collection;
 
   ImageSearchDelegate(this.collection);
@@ -46,56 +52,70 @@ class ImageSearchDelegate extends SearchDelegate<ImageEntry> {
 
   @override
   Widget buildSuggestions(BuildContext context) {
-    return const SizedBox.shrink();
+    final source = collection.source;
-  }
+    final upQuery = query.toUpperCase();
-
+    final containQuery = (String s) => s.toUpperCase().contains(upQuery);
-  @override
+    return SafeArea(
-  Widget buildResults(BuildContext context) {
+      child: ListView(
-    if (query.isEmpty) {
+        children: [
-      showSuggestions(context);
+          ..._buildFilterRow(
-      return const SizedBox.shrink();
+            filters: [FavouriteFilter(), VideoFilter(), GifFilter()].where((f) => containQuery(f.label)),
-    }
-    return MediaQueryDataProvider(
-      child: ChangeNotifierProvider<CollectionLens>.value(
-        value: CollectionLens(
-          source: collection.source,
-          filters: [QueryFilter(query.toLowerCase())],
-          groupFactor: collection.groupFactor,
-          sortFactor: collection.sortFactor,
           ),
-        child: ThumbnailCollection(
+          ..._buildFilterRow(
-          emptyBuilder: (context) => _EmptyContent(),
+            title: 'Countries',
+            filters: source.sortedCountries.where(containQuery).map((s) => CountryFilter(s)),
           ),
+          ..._buildFilterRow(
+            title: 'Albums',
+            filters: source.sortedAlbums.where(containQuery).map((s) => AlbumFilter(s, CollectionSource.getUniqueAlbumName(s, source.sortedAlbums))).where((f) => containQuery(f.uniqueName)),
           ),
-    );
+          ..._buildFilterRow(
-  }
+            title: 'Tags',
-}
+            filters: source.sortedTags.where(containQuery).map((s) => TagFilter(s)),
-
-class _EmptyContent extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    const color = Color(0xFF607D8B);
-    return Align(
-      alignment: const FractionalOffset(.5, .4),
-      child: Column(
-        mainAxisSize: MainAxisSize.min,
-        children: const [
-          Icon(
-            OMIcons.photo,
-            size: 64,
-            color: color,
-          ),
-          SizedBox(height: 16),
-          Text(
-            'No match',
-            style: TextStyle(
-              color: color,
-              fontSize: 22,
-              fontFamily: 'Concourse',
-            ),
           ),
         ],
       ),
     );
   }
+
+  List<Widget> _buildFilterRow({String title, @required Iterable<CollectionFilter> filters}) {
+    if (filters.isEmpty) return [];
+    final filtersList = filters.toList();
+    return [
+      if (title != null && title.isNotEmpty)
+        Padding(
+          padding: const EdgeInsets.all(16),
+          child: Text(
+            title,
+            style: Constants.titleTextStyle,
+          ),
+        ),
+      Container(
+        height: kMinInteractiveDimension,
+        child: ListView.separated(
+          scrollDirection: Axis.horizontal,
+          physics: const BouncingScrollPhysics(),
+          padding: const EdgeInsets.all(AvesFilterChip.buttonBorderWidth / 2) + const EdgeInsets.symmetric(horizontal: 6),
+          itemBuilder: (context, index) {
+            if (index >= filtersList.length) return null;
+            final filter = filtersList[index];
+            return Center(
+              child: AvesFilterChip(
+                filter: filter,
+                onPressed: (filter) => close(context, filter),
+              ),
+            );
+          },
+          separatorBuilder: (context, index) => const SizedBox(width: 8),
+          itemCount: filtersList.length,
+        ),
+      ),
+    ];
+  }
+
+  @override
+  Widget buildResults(BuildContext context) {
+    close(context, QueryFilter(query));
+    return const SizedBox.shrink();
+  }
 }

lib/widgets/album/sections.dart

@@ -1,3 +1,4 @@
+import 'package:aves/utils/constants.dart';
 import 'package:aves/utils/time_utils.dart';
 import 'package:aves/widgets/common/fx/outlined_text.dart';
 import 'package:flutter/material.dart';
@@ -56,18 +57,6 @@ class TitleSectionHeader extends StatelessWidget {
 
   static const leadingDimension = 32.0;
   static const leadingPadding = EdgeInsets.only(right: 8, bottom: 4);
-  static const textStyle = TextStyle(
-    color: Color(0xFFEEEEEE),
-    fontSize: 20,
-    fontFamily: 'Concourse Caps',
-    shadows: [
-      Shadow(
-        offset: Offset(0, 2),
-        blurRadius: 3,
-        color: Color(0xFF212121),
-      ),
-    ],
-  );
 
   @override
   Widget build(BuildContext context) {
@@ -83,7 +72,7 @@ class TitleSectionHeader extends StatelessWidget {
                 )
             : null,
         text: title,
-        style: textStyle,
+        style: Constants.titleTextStyle,
         outlineWidth: 2,
       ),
     );

lib/widgets/fullscreen/info/basic_section.dart

@@ -1,3 +1,5 @@
+import 'package:aves/model/collection_lens.dart';
+import 'package:aves/model/collection_source.dart';
 import 'package:aves/model/filters/album.dart';
 import 'package:aves/model/filters/favourite.dart';
 import 'package:aves/model/filters/gif.dart';
@@ -13,11 +15,13 @@ import 'package:intl/intl.dart';
 
 class BasicSection extends StatelessWidget {
   final ImageEntry entry;
+  final CollectionLens collection;
   final FilterCallback onFilter;
 
   const BasicSection({
     Key key,
     @required this.entry,
+    this.collection,
     @required this.onFilter,
   }) : super(key: key);
 
@@ -44,11 +48,12 @@ class BasicSection extends StatelessWidget {
         ValueListenableBuilder(
           valueListenable: entry.isFavouriteNotifier,
           builder: (context, isFavourite, child) {
+            final album = entry.directory;
             final filters = [
               if (entry.isVideo) VideoFilter(),
               if (entry.isGif) GifFilter(),
               if (isFavourite) FavouriteFilter(),
-              if (entry.directory != null) AlbumFilter(entry.directory),
+              if (album != null) AlbumFilter(album, CollectionSource.getUniqueAlbumName(album, collection?.source?.sortedAlbums)),
               ...tags.map((tag) => TagFilter(tag)),
             ]..sort();
             if (filters.isEmpty) return const SizedBox.shrink();

lib/widgets/fullscreen/info/info_page.dart

@@ -82,7 +82,7 @@ class InfoPageState extends State<InfoPage> {
                         child: Row(
                           crossAxisAlignment: CrossAxisAlignment.start,
                           children: [
-                            Expanded(child: BasicSection(entry: entry, onFilter: _goToFilteredCollection)),
+                            Expanded(child: BasicSection(entry: entry, collection: collection, onFilter: _goToFilteredCollection)),
                             const SizedBox(width: 8),
                             Expanded(child: locationSection),
                           ],
@@ -91,7 +91,7 @@ class InfoPageState extends State<InfoPage> {
                     : SliverList(
                         delegate: SliverChildListDelegate.fixed(
                           [
-                            BasicSection(entry: entry, onFilter: _goToFilteredCollection),
+                            BasicSection(entry: entry, collection: collection, onFilter: _goToFilteredCollection),
                             locationSection,
                           ],
                         ),