entry hero review

lib/widgets/collection/grid/tile.dart

@@ -8,6 +8,7 @@ import 'package:aves/widgets/collection/grid/list_details_theme.dart';
 import 'package:aves/widgets/common/grid/scaling.dart';
 import 'package:aves/widgets/common/thumbnail/decorated.dart';
 import 'package:aves/widgets/common/thumbnail/notifications.dart';
+import 'package:aves/widgets/viewer/hero.dart';
 import 'package:aves_model/aves_model.dart';
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
@@ -62,10 +63,7 @@ class InteractiveTile extends StatelessWidget {
           selectable: true,
           highlightable: true,
           isScrollingNotifier: isScrollingNotifier,
-          // hero tag should include a collection identifier, so that it animates
-          // between different views of the entry in the same collection (e.g. thumbnails <-> viewer)
-          // but not between different collection instances, even with the same attributes (e.g. reloading collection page via drawer)
-          heroTagger: () => Object.hashAll([collection.id, entry.id]),
+          heroTagger: () => EntryHeroInfo(collection, entry).tag,
         ),
       ),
     );

lib/widgets/common/thumbnail/image.dart

@@ -261,11 +261,12 @@ class _ThumbnailImageState extends State<ThumbnailImage> {
             },
           );
 
-    if (animate && widget.heroTag != null) {
+    final heroTag = widget.heroTag;
+    if (animate && heroTag != null) {
       final background = settings.imageBackground;
       final backgroundColor = background.isColor ? background.color : null;
       image = Hero(
-        tag: widget.heroTag!,
+        tag: heroTag,
         flightShuttleBuilder: (flight, animation, direction, fromHero, toHero) {
           Widget child = TransitionImage(
             image: entry.bestCachedThumbnail,
@@ -296,9 +297,10 @@ class _ThumbnailImageState extends State<ThumbnailImage> {
       extent: extent,
     );
 
-    if (animate && widget.heroTag != null) {
+    final heroTag = widget.heroTag;
+    if (animate && heroTag != null) {
       child = Hero(
-        tag: widget.heroTag!,
+        tag: heroTag,
         flightShuttleBuilder: (flight, animation, direction, fromHero, toHero) {
           return MediaQueryDataProvider(
             child: DefaultTextStyle(

lib/widgets/map/scroller.dart

@@ -6,6 +6,7 @@ import 'package:aves/widgets/common/extensions/build_context.dart';
 import 'package:aves/widgets/common/identity/empty.dart';
 import 'package:aves/widgets/common/thumbnail/scroller.dart';
 import 'package:aves/widgets/map/info_row.dart';
+import 'package:aves/widgets/viewer/hero.dart';
 import 'package:flutter/material.dart';
 
 class MapEntryScroller extends StatefulWidget {
@@ -85,7 +86,7 @@ class _MapEntryScrollerState extends State<MapEntryScroller> {
                       entryBuilder: (index) => index < regionEntries.length ? regionEntries[index] : null,
                       indexNotifier: widget.selectedIndexNotifier,
                       onTap: widget.onTap,
-                      heroTagger: (entry) => Object.hashAll([regionCollection?.id, entry.id]),
+                      heroTagger: (entry) => EntryHeroInfo(regionCollection, entry).tag,
                       highlightable: true,
                       showLocation: false,
                     );

lib/widgets/viewer/entry_viewer_stack.dart

@@ -75,7 +75,7 @@ class _EntryViewerStackState extends State<EntryViewerStack> with EntryViewContr
   late Animation<Offset> _overlayTopOffset;
   EdgeInsets? _frozenViewInsets, _frozenViewPadding;
   late VideoActionDelegate _videoActionDelegate;
-  final ValueNotifier<HeroInfo?> _heroInfoNotifier = ValueNotifier(null);
+  final ValueNotifier<EntryHeroInfo?> _heroInfoNotifier = ValueNotifier(null);
   bool _isEntryTracked = true;
   Timer? _overlayHidingTimer, _appInactiveReactionTimer;
 
@@ -116,7 +116,7 @@ class _EntryViewerStackState extends State<EntryViewerStack> with EntryViewContr
     final initialEntry = widget.initialEntry;
     final entry = entries.firstWhereOrNull((entry) => entry.id == initialEntry.id) ?? entries.firstOrNull;
     // opening hero, with viewer as target
-    _heroInfoNotifier.value = HeroInfo(collection?.id, entry);
+    _heroInfoNotifier.value = EntryHeroInfo(collection, entry);
     entryNotifier = viewerController.entryNotifier;
     entryNotifier.value = entry;
     _currentEntryIndex = max(0, entry != null ? entries.indexOf(entry) : -1);
@@ -224,7 +224,7 @@ class _EntryViewerStackState extends State<EntryViewerStack> with EntryViewContr
 
         _onPopInvoked();
       },
-      child: ValueListenableProvider<HeroInfo?>.value(
+      child: ValueListenableProvider<EntryHeroInfo?>.value(
         value: _heroInfoNotifier,
         child: NotificationListener(
           onNotification: _handleNotification,
@@ -867,7 +867,7 @@ class _EntryViewerStackState extends State<EntryViewerStack> with EntryViewContr
       }
 
       // closing hero, with viewer as source
-      final heroInfo = HeroInfo(collection?.id, entryNotifier.value);
+      final heroInfo = EntryHeroInfo(collection, entryNotifier.value);
       if (_heroInfoNotifier.value != heroInfo) {
         _heroInfoNotifier.value = heroInfo;
         // we post closing the viewer page so that hero animation source is ready

lib/widgets/viewer/hero.dart

@@ -1,17 +1,20 @@
 import 'package:aves/model/entry/entry.dart';
+import 'package:aves/model/source/collection_lens.dart';
 import 'package:equatable/equatable.dart';
 import 'package:flutter/widgets.dart';
 
 @immutable
-class HeroInfo extends Equatable {
+class EntryHeroInfo extends Equatable {
   // hero tag should include a collection identifier, so that it animates
   // between different views of the entry in the same collection (e.g. thumbnails <-> viewer)
   // but not between different collection instances, even with the same attributes (e.g. reloading collection page via drawer)
-  final int? collectionId;
+  final CollectionLens? collection;
   final AvesEntry? entry;
 
   @override
-  List<Object?> get props => [collectionId, entry?.uri];
+  List<Object?> get props => [collection?.id, entry?.uri];
 
-  const HeroInfo(this.collectionId, this.entry);
+  const EntryHeroInfo(this.collection, this.entry);
+
+  int get tag => Object.hashAll([collection?.id, entry?.uri]);
 }

lib/widgets/viewer/visual/entry_page_view.dart

@@ -150,9 +150,9 @@ class _EntryPageViewState extends State<EntryPageView> with TickerProviderStateM
 
     final animate = context.select<Settings, bool>((v) => v.animate);
     if (animate) {
-      child = Consumer<HeroInfo?>(
+      child = Consumer<EntryHeroInfo?>(
         builder: (context, info, child) => Hero(
-          tag: info != null && info.entry == mainEntry ? Object.hashAll([info.collectionId, mainEntry.id]) : hashCode,
+          tag: info != null && info.entry == mainEntry ? info.tag : hashCode,
           transitionOnUserGestures: true,
           child: child!,
         ),