feat(player): 评论发布成功提示

lib/l10n/app_en.arb

@@ -211,6 +211,7 @@
   "writeComment": "Write a comment",
   "commentLoginHint": "Sign in to comment",
   "postComment": "Post",
+  "commentPostSuccess": "Comment posted",
   "loadMore": "Load more",
   "commentsLoadFailed": "Comments could not be loaded.",
   "commentPostFailed": "Could not post your comment.",

lib/l10n/app_id.arb

@@ -185,6 +185,7 @@
   "writeComment": "Tulis komentar",
   "commentLoginHint": "Masuk untuk berkomentar",
   "postComment": "Kirim",
+  "commentPostSuccess": "Komentar terkirim",
   "loadMore": "Muat lebih banyak",
   "commentsLoadFailed": "Komentar tidak dapat dimuat.",
   "commentPostFailed": "Komentar tidak dapat dikirim.",

lib/l10n/app_localizations.dart

@@ -946,6 +946,12 @@ abstract class AppLocalizations {
   /// **'Post'**
   String get postComment;
 
+  /// No description provided for @commentPostSuccess.
+  ///
+  /// In en, this message translates to:
+  /// **'Comment posted'**
+  String get commentPostSuccess;
+
   /// No description provided for @loadMore.
   ///
   /// In en, this message translates to:

lib/l10n/app_localizations_en.dart

@@ -462,6 +462,9 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get postComment => 'Post';
 
+  @override
+  String get commentPostSuccess => 'Comment posted';
+
   @override
   String get loadMore => 'Load more';
 

lib/l10n/app_localizations_id.dart

@@ -463,6 +463,9 @@ class AppLocalizationsId extends AppLocalizations {
   @override
   String get postComment => 'Kirim';
 
+  @override
+  String get commentPostSuccess => 'Komentar terkirim';
+
   @override
   String get loadMore => 'Muat lebih banyak';
 

lib/l10n/app_localizations_zh.dart

@@ -457,6 +457,9 @@ class AppLocalizationsZh extends AppLocalizations {
   @override
   String get postComment => '发布';
 
+  @override
+  String get commentPostSuccess => '发表成功';
+
   @override
   String get loadMore => '加载更多';
 

lib/l10n/app_zh.arb

@@ -185,6 +185,7 @@
   "writeComment": "写评论",
   "commentLoginHint": "登录后参与评论",
   "postComment": "发布",
+  "commentPostSuccess": "发表成功",
   "loadMore": "加载更多",
   "commentsLoadFailed": "评论加载失败，请重试。",
   "commentPostFailed": "评论发布失败，请重试。",

lib/pages/player/widgets/comment_composer_sheet.dart

@@ -129,6 +129,7 @@ class _CommentComposerSheetState extends State<CommentComposerSheet>
     );
     if (!mounted) return;
     if (result.isSuccess) {
+      _input.clear();
       _closing = true;
       Navigator.pop(context, true);
       return;

lib/pages/player/widgets/drama_comments_sheet.dart

@@ -41,6 +41,7 @@ class DramaCommentsSheet extends StatefulWidget {
 class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
   late final CommentRepository _comments;
   late final CommentController _controller;
+  final _messengerKey = GlobalKey<ScaffoldMessengerState>();
   int? _serverCount;
   int _countRequest = 0;
 
@@ -91,65 +92,110 @@ class _DramaCommentsSheetState extends State<DramaCommentsSheet> {
       builder: (_) =>
           CommentComposerSheet(controller: _controller, replyTo: replyTo),
     );
-    if (published == true && mounted) await _refreshCount();
+    if (published == true && mounted) {
+      _showPostSuccess();
+      await _refreshCount();
+    }
   }
 
   void _handleDismissLayerTap() {
     Navigator.pop(context);
   }
 
-  @override
-  Widget build(BuildContext context) {
+  void _showPostSuccess() {
+    final messenger = _messengerKey.currentState;
+    if (messenger == null) return;
+    final l10n = AppLocalizations.of(context)!;
+    messenger
+      ..hideCurrentSnackBar()
+      ..showSnackBar(
+        SnackBar(
+          key: const Key('comment-post-success-snackbar'),
+          content: Text(
+            l10n.commentPostSuccess,
+            style: const TextStyle(
+              color: Colors.white,
+              fontSize: 14,
+              fontWeight: FontWeight.w500,
+            ),
+          ),
+          behavior: SnackBarBehavior.floating,
+          duration: const Duration(milliseconds: 1500),
+          backgroundColor: AppColors.ink,
+          elevation: 6,
+          shape: RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(10),
+          ),
+          margin: EdgeInsets.fromLTRB(16, 0, 16, _sheetHeight(context) + 12),
+        ),
+      );
+  }
+
+  double _sheetHeight(BuildContext context) {
     final screenHeight = MediaQuery.sizeOf(context).height;
     final topSafeArea = MediaQuery.paddingOf(context).top;
     final halfHeight = (screenHeight * 0.5).roundToDouble();
     final maxHeight = math.max(0.0, screenHeight - topSafeArea);
-    final sheetHeight = math.min(halfHeight, maxHeight);
-    return Stack(
-      fit: StackFit.expand,
-      children: [
-        Positioned.fill(
-          child: GestureDetector(
-            key: const Key('player-comments-dismiss-layer'),
-            behavior: HitTestBehavior.opaque,
-            onTap: _handleDismissLayerTap,
-          ),
-        ),
-        Align(
-          alignment: Alignment.bottomCenter,
-          child: GestureDetector(
-            behavior: HitTestBehavior.opaque,
-            onTap: () {},
-            child: KeyedSubtree(
-              key: const Key('player-comments-sheet'),
-              child: SizedBox(
-                key: const Key('comment-sheet-constraints'),
-                height: sheetHeight,
-                child: Container(
-                  decoration: const BoxDecoration(
-                    color: AppColors.card,
-                    borderRadius: BorderRadius.vertical(
-                      top: Radius.circular(_sheetRadius),
-                    ),
-                  ),
-                  child: SafeArea(
-                    top: false,
-                    child: ListenableBuilder(
-                      listenable: _controller,
-                      builder: (context, _) {
-                        return Padding(
-                          padding: const EdgeInsets.symmetric(horizontal: 16),
-                          child: _content(context),
-                        );
-                      },
+    return math.min(halfHeight, maxHeight);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final sheetHeight = _sheetHeight(context);
+    return ScaffoldMessenger(
+      key: _messengerKey,
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        resizeToAvoidBottomInset: false,
+        body: Stack(
+          fit: StackFit.expand,
+          children: [
+            Positioned.fill(
+              child: GestureDetector(
+                key: const Key('player-comments-dismiss-layer'),
+                behavior: HitTestBehavior.opaque,
+                onTap: _handleDismissLayerTap,
+              ),
+            ),
+            Align(
+              alignment: Alignment.bottomCenter,
+              child: GestureDetector(
+                behavior: HitTestBehavior.opaque,
+                onTap: () {},
+                child: KeyedSubtree(
+                  key: const Key('player-comments-sheet'),
+                  child: SizedBox(
+                    key: const Key('comment-sheet-constraints'),
+                    height: sheetHeight,
+                    child: Container(
+                      decoration: const BoxDecoration(
+                        color: AppColors.card,
+                        borderRadius: BorderRadius.vertical(
+                          top: Radius.circular(_sheetRadius),
+                        ),
+                      ),
+                      child: SafeArea(
+                        top: false,
+                        child: ListenableBuilder(
+                          listenable: _controller,
+                          builder: (context, _) {
+                            return Padding(
+                              padding: const EdgeInsets.symmetric(
+                                horizontal: 16,
+                              ),
+                              child: _content(context),
+                            );
+                          },
+                        ),
+                      ),
                     ),
                   ),
                 ),
               ),
             ),
-          ),
+          ],
         ),
-      ],
+      ),
     );
   }
 

test/comment/drama_comments_sheet_test.dart

@@ -234,7 +234,11 @@ void main() {
         publishError: const ApiException(400, '评论包含敏感词'),
       );
 
-      await _pumpSheet(tester, repository: repository);
+      await _pumpSheet(
+        tester,
+        repository: repository,
+        locale: const Locale('zh'),
+      );
       await tester.tap(find.byKey(const Key('comment-input-placeholder')));
       await tester.pumpAndSettle();
       await tester.enterText(
@@ -250,6 +254,7 @@ void main() {
         find.byKey(const Key('comment-composer-input')),
       );
       expect(field.controller?.text, 'blocked text');
+      expect(find.text('发表成功'), findsNothing);
       // 发送失败时保留输入与焦点，用户可以直接改完再发。
       expect(field.focusNode?.hasFocus, isTrue);
     },
@@ -263,7 +268,11 @@ void main() {
       countResult: 1,
     );
 
-    await _pumpSheet(tester, repository: repository);
+    await _pumpSheet(
+      tester,
+      repository: repository,
+      locale: const Locale('zh'),
+    );
     final input = find.byKey(const Key('comment-composer-input'));
     tester.view.viewInsets = const FakeViewPadding(bottom: 180);
     await tester.tap(find.byKey(const Key('comment-input-placeholder')));
@@ -278,9 +287,25 @@ void main() {
       isNotNull,
     );
     await tester.tap(find.byKey(const Key('comment-composer-post')));
-    await tester.pumpAndSettle();
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 500));
 
     expect(find.byKey(const Key('comment-composer-sheet')), findsNothing);
+    final successSnackBar = find.byKey(
+      const Key('comment-post-success-snackbar'),
+    );
+    expect(successSnackBar, findsOneWidget);
+    expect(find.text('发表成功'), findsOneWidget);
+    final snackBar = tester.widget<SnackBar>(successSnackBar);
+    expect(snackBar.action, isNull);
+    expect(snackBar.behavior, SnackBarBehavior.floating);
+    expect(snackBar.duration, const Duration(milliseconds: 1500));
+    expect(
+      tester.getRect(find.text('发表成功')).bottom,
+      lessThanOrEqualTo(
+        tester.getRect(find.byKey(const Key('player-comments-sheet'))).top,
+      ),
+    );
     expect(find.byKey(const Key('comment-list')), findsOneWidget);
     expect(find.byKey(const Key('comment-count-label')), findsOneWidget);
     expect(find.byKey(const Key('comment-input-placeholder')), findsOneWidget);
@@ -669,6 +694,7 @@ Future<AuthController> _pumpSheet(
   WidgetTester tester, {
   required FakeCommentRepository repository,
   FakeHaptics? haptics,
+  Locale locale = const Locale('en'),
 }) async {
   final auth = await _auth();
   await tester.pumpWidget(
@@ -682,7 +708,7 @@ Future<AuthController> _pumpSheet(
         Provider<Haptics>.value(value: haptics ?? FakeHaptics()),
       ],
       child: MaterialApp(
-        locale: const Locale('en'),
+        locale: locale,
         localizationsDelegates: AppLocalizations.localizationsDelegates,
         supportedLocales: AppLocalizations.supportedLocales,
         initialRoute: '/comments',