feat: game over info display flow at backbox

lib/game/components/backbox/backbox.dart

@@ -53,14 +53,6 @@ class Backbox extends PositionComponent with ZIndex {
     if (state is LoadingState) {
       _display.add(LoadingDisplay());
     } else if (state is InitialsFormState) {
-      _display.add(
-        InfoDisplay(
-          onShared: () {
-            //_bloc.add(ScoreShared());
-          },
-        ),
-      );
-      /*
       _display.add(
         InitialsInputDisplay(
           score: state.score,
@@ -76,9 +68,20 @@ class Backbox extends PositionComponent with ZIndex {
           },
         ),
       );
-      */
     } else if (state is InitialsSuccessState) {
-      _display.add(InitialsSubmissionSuccessDisplay());
+      _display.add(
+        InfoDisplay(
+          onShare: () {
+            _bloc.add(
+              ScoreShareRequested(
+                score: state.score,
+                initials: state.initials,
+                character: state.character,
+              ),
+            );
+          },
+        ),
+      );
     } else if (state is InitialsFailureState) {
       _display.add(InitialsSubmissionFailureDisplay());
     }

lib/game/components/backbox/bloc/backbox_bloc.dart

@@ -18,6 +18,7 @@ class BackboxBloc extends Bloc<BackboxEvent, BackboxState> {
         super(LoadingState()) {
     on<PlayerInitialsRequested>(_onPlayerInitialsRequested);
     on<PlayerInitialsSubmitted>(_onPlayerInitialsSubmitted);
+    on<ScoreShareRequested>(_onScoreShareRequested);
   }
 
   final LeaderboardRepository _leaderboardRepository;
@@ -47,10 +48,29 @@ class BackboxBloc extends Bloc<BackboxEvent, BackboxState> {
           character: event.character.toType,
         ),
       );
-      emit(InitialsSuccessState());
+      emit(
+        InitialsSuccessState(
+          initials: event.initials,
+          score: event.score,
+          character: event.character,
+        ),
+      );
     } catch (error, stackTrace) {
       addError(error, stackTrace);
       emit(InitialsFailureState());
     }
   }
+
+  Future<void> _onScoreShareRequested(
+    ScoreShareRequested event,
+    Emitter<BackboxState> emit,
+  ) async {
+    emit(
+      ShareState(
+        initials: event.initials,
+        score: event.score,
+        character: event.character,
+      ),
+    );
+  }
 }

lib/game/components/backbox/bloc/backbox_event.dart

@@ -51,3 +51,27 @@ class PlayerInitialsSubmitted extends BackboxEvent {
   @override
   List<Object?> get props => [score, initials, character];
 }
+
+/// {@template score_share_requested}
+/// Event that request the user to share score and initials.
+/// {@endtemplate}
+class ScoreShareRequested extends BackboxEvent {
+  /// {@macro score_share_requested}
+  const ScoreShareRequested({
+    required this.score,
+    required this.initials,
+    required this.character,
+  });
+
+  /// Player's score.
+  final int score;
+
+  /// Player's initials.
+  final String initials;
+
+  /// Player's character.
+  final CharacterTheme character;
+
+  @override
+  List<Object?> get props => [score, initials, character];
+}

lib/game/components/backbox/bloc/backbox_state.dart

@@ -46,10 +46,28 @@ class InitialsFormState extends BackboxState {
   List<Object?> get props => [score, character];
 }
 
+/// {@template initials_form_state}
 /// State when the leaderboard was successfully loaded.
+/// {@endtemplate}
 class InitialsSuccessState extends BackboxState {
+  /// {@macro initials_success_state}
+  const InitialsSuccessState({
+    required this.score,
+    required this.initials,
+    required this.character,
+  }) : super();
+
+  /// Player's score.
+  final int score;
+
+  /// Player's initials.
+  final String initials;
+
+  /// Player's character.
+  final CharacterTheme character;
+
   @override
-  List<Object?> get props => [];
+  List<Object?> get props => [score, initials, character];
 }
 
 /// State when the initials submission failed.
@@ -57,3 +75,27 @@ class InitialsFailureState extends BackboxState {
   @override
   List<Object?> get props => [];
 }
+
+/// {@template initials_form_state}
+/// State when the user is sharing the score.
+/// {@endtemplate}
+class ShareState extends BackboxState {
+  /// {@macro share_state}
+  const ShareState({
+    required this.score,
+    required this.initials,
+    required this.character,
+  }) : super();
+
+  /// Player's score.
+  final int score;
+
+  /// Player's initials.
+  final String initials;
+
+  /// Player's character.
+  final CharacterTheme character;
+
+  @override
+  List<Object?> get props => [score, initials, character];
+}

lib/game/components/backbox/displays/info_display.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:flame/components.dart';
+import 'package:flame/input.dart';
 import 'package:flutter/material.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball/l10n/l10n.dart';
@@ -8,9 +9,13 @@ import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 import 'package:pinball_ui/pinball_ui.dart';
 
-/// Signature for the callback called when the used has
-/// shared score on the [InfoDisplay].
-typedef ScoreOnShared = void Function();
+/// Signature for the callback called when the used tries to share the score
+/// on the [InfoDisplay].
+typedef OnShareTap = void Function();
+
+/// Signature for the callback called when the used tries to navigate to the
+/// Google IO site on the [InfoDisplay].
+typedef OnNavigateTap = void Function();
 
 final _titleTextPaint = TextPaint(
   style: const TextStyle(
@@ -35,7 +40,6 @@ final _linkTextPaint = TextPaint(
     color: PinballColors.orange,
     fontFamily: PinballFonts.pixeloidSans,
     fontWeight: FontWeight.bold,
-    decoration: TextDecoration.underline,
     decorationThickness: 1,
   ),
 );
@@ -54,21 +58,17 @@ final _descriptionTextPaint = TextPaint(
 class InfoDisplay extends Component with HasGameRef {
   /// {@macro info_display}
   InfoDisplay({
-    ScoreOnShared? onShared,
-  })  : _onShared = onShared,
-        super(
+    OnShareTap? onShare,
+    OnNavigateTap? onNavigate,
+  }) : super(
           children: [
-            _InstructionsComponent(),
+            _InstructionsComponent(
+              onShare: onShare,
+              onNavigate: onNavigate,
+            ),
           ],
         );
 
-  final ScoreOnShared? _onShared;
-
-  bool _share() {
-    _onShared?.call();
-    return true;
-  }
-
   @override
   Future<void> onLoad() async {
     await super.onLoad();
@@ -77,19 +77,24 @@ class InfoDisplay extends Component with HasGameRef {
 }
 
 class _InstructionsComponent extends PositionComponent with HasGameRef {
-  _InstructionsComponent()
-      : super(
+  _InstructionsComponent({
+    OnShareTap? onShare,
+    OnNavigateTap? onNavigate,
+  }) : super(
           anchor: Anchor.center,
           position: Vector2(0, -25),
           children: [
             _TitleComponent(),
-            _LinksComponent(),
+            _LinksComponent(
+              onShare: onShare,
+              onNavigate: onNavigate,
+            ),
             _DescriptionComponent(),
           ],
         );
 }
 
-class _TitleComponent extends PositionComponent with HasGameRef<PinballGame> {
+class _TitleComponent extends PositionComponent with HasGameRef {
   _TitleComponent()
       : super(
           anchor: Anchor.center,
@@ -102,8 +107,7 @@ class _TitleComponent extends PositionComponent with HasGameRef<PinballGame> {
         );
 }
 
-class _ShareScoreTextComponent extends TextComponent
-    with HasGameRef<PinballGame> {
+class _ShareScoreTextComponent extends TextComponent with HasGameRef {
   _ShareScoreTextComponent()
       : super(
           anchor: Anchor.center,
@@ -118,8 +122,7 @@ class _ShareScoreTextComponent extends TextComponent
   }
 }
 
-class _ChallengeFriendsTextComponent extends TextComponent
-    with HasGameRef<PinballGame> {
+class _ChallengeFriendsTextComponent extends TextComponent with HasGameRef {
   _ChallengeFriendsTextComponent()
       : super(
           anchor: Anchor.center,
@@ -152,26 +155,42 @@ class _TitleBackgroundSpriteComponent extends SpriteComponent with HasGameRef {
   }
 }
 
-class _LinksComponent extends PositionComponent with HasGameRef<PinballGame> {
-  _LinksComponent()
-      : super(
+class _LinksComponent extends PositionComponent with HasGameRef {
+  _LinksComponent({
+    OnShareTap? onShare,
+    OnNavigateTap? onNavigate,
+  }) : super(
           anchor: Anchor.center,
           position: Vector2(0, 9.2),
           children: [
-            _ShareLinkComponent(),
-            _GotoIOLinkComponent(),
+            ShareLinkComponent(onTap: onShare),
+            GotoIOLinkComponent(onTap: onNavigate),
           ],
         );
 }
 
-class _ShareLinkComponent extends TextComponent with HasGameRef<PinballGame> {
-  _ShareLinkComponent()
-      : super(
+/// {@template share_link_component}
+/// Link button for navigate to sharing score screen.
+/// {@endtemplate}
+class ShareLinkComponent extends TextComponent with HasGameRef, Tappable {
+  /// {@macro share_link_component}
+  ShareLinkComponent({
+    OnShareTap? onTap,
+  })  : _onTap = onTap,
+        super(
           anchor: Anchor.center,
           position: Vector2(-7, 0),
           textRenderer: _linkTextPaint,
         );
 
+  final OnShareTap? _onTap;
+
+  @override
+  bool onTapDown(TapDownInfo info) {
+    _onTap?.call();
+    return true;
+  }
+
   @override
   Future<void> onLoad() async {
     await super.onLoad();
@@ -179,14 +198,28 @@ class _ShareLinkComponent extends TextComponent with HasGameRef<PinballGame> {
   }
 }
 
-class _GotoIOLinkComponent extends TextComponent with HasGameRef<PinballGame> {
-  _GotoIOLinkComponent()
-      : super(
+/// {@template goto_io_link_component}
+/// Link button for navigate to Google I/O site.
+/// {@endtemplate}
+class GotoIOLinkComponent extends TextComponent with HasGameRef, Tappable {
+  /// {@macro goto_io_link_component}
+  GotoIOLinkComponent({
+    OnNavigateTap? onTap,
+  })  : _onTap = onTap,
+        super(
           anchor: Anchor.center,
           position: Vector2(6, 0),
           textRenderer: _linkTextPaint,
         );
 
+  final OnNavigateTap? _onTap;
+
+  @override
+  bool onTapDown(TapDownInfo info) {
+    _onTap?.call();
+    return true;
+  }
+
   @override
   Future<void> onLoad() async {
     await super.onLoad();
@@ -194,8 +227,7 @@ class _GotoIOLinkComponent extends TextComponent with HasGameRef<PinballGame> {
   }
 }
 
-class _DescriptionComponent extends PositionComponent
-    with HasGameRef<PinballGame> {
+class _DescriptionComponent extends PositionComponent with HasGameRef {
   _DescriptionComponent()
       : super(
           anchor: Anchor.center,
@@ -207,8 +239,7 @@ class _DescriptionComponent extends PositionComponent
         );
 }
 
-class _LearnMoreTextComponent extends TextComponent
-    with HasGameRef<PinballGame> {
+class _LearnMoreTextComponent extends TextComponent with HasGameRef {
   _LearnMoreTextComponent()
       : super(
           anchor: Anchor.center,
@@ -223,8 +254,7 @@ class _LearnMoreTextComponent extends TextComponent
   }
 }
 
-class _LearnMore2TextComponent extends TextComponent
-    with HasGameRef<PinballGame> {
+class _LearnMore2TextComponent extends TextComponent with HasGameRef {
   _LearnMore2TextComponent()
       : super(
           anchor: Anchor.center,