fix(player): 评论聚焦态改为展开输入面板

test/comment/drama_comments_sheet_test.dart

@@ -220,7 +220,9 @@ void main() {
     },
   );
 
-  testWidgets('should_unfocus_input_after_successful_post', (tester) async {
+  testWidgets('should_clear_and_keep_input_focused_after_successful_post', (
+    tester,
+  ) async {
     final repository = FakeCommentRepository(
       pages: [const CommentPage()],
       publishResult: commentFixture(id: '11', content: 'Nice demo', mine: true),
@@ -233,13 +235,98 @@ void main() {
     await tester.pump();
     expect(tester.widget<TextField>(input).focusNode?.hasFocus, isTrue);
     await tester.enterText(input, 'Nice demo');
+    await tester.pump();
+    expect(
+      tester
+          .widget<TextButton>(find.byKey(const Key('comment-post')))
+          .onPressed,
+      isNotNull,
+    );
     await tester.tap(find.byKey(const Key('comment-post')));
     await tester.pumpAndSettle();
 
-    expect(tester.widget<TextField>(input).focusNode?.hasFocus, isFalse);
+    expect(tester.widget<TextField>(input).controller?.text, isEmpty);
+    expect(tester.widget<TextField>(input).focusNode?.hasFocus, isTrue);
+    expect(find.byKey(const Key('comment-expanded-composer')), findsOneWidget);
+    expect(find.byKey(const Key('comment-list')), findsNothing);
+    expect(
+      tester
+          .widget<TextButton>(find.byKey(const Key('comment-post')))
+          .onPressed,
+      isNull,
+    );
     expect(repository.countCalls, ['5', '5']);
   });
 
+  testWidgets('should_expand_composer_only_while_input_is_focused', (
+    tester,
+  ) async {
+    tester.view.physicalSize = const Size(390, 844);
+    tester.view.devicePixelRatio = 1;
+    addTearDown(tester.view.resetPhysicalSize);
+    addTearDown(tester.view.resetDevicePixelRatio);
+    addTearDown(tester.view.resetViewInsets);
+    final repository = FakeCommentRepository(
+      pages: [
+        CommentPage(
+          comments: [commentFixture(id: '10', content: 'A comment')],
+        ),
+      ],
+    );
+
+    await _pumpSheet(tester, repository: repository);
+    expect(find.byKey(const Key('comment-list')), findsOneWidget);
+
+    await tester.tap(find.byKey(const Key('comment-input')));
+    await tester.pumpAndSettle();
+
+    expect(find.byKey(const Key('comment-list')), findsNothing);
+    expect(find.byKey(const Key('comment-count-label')), findsNothing);
+    expect(find.byKey(const Key('comment-composer')), findsNothing);
+    expect(find.byKey(const Key('comment-expanded-composer')), findsOneWidget);
+    final field = tester.widget<TextField>(
+      find.byKey(const Key('comment-input')),
+    );
+    expect(field.minLines, 1);
+    expect(field.maxLines, 4);
+    expect(field.style?.fontSize, 15);
+    expect(
+      tester
+          .widget<TextButton>(find.byKey(const Key('comment-post')))
+          .onPressed,
+      isNull,
+    );
+    expect(tester.getSize(find.byKey(const Key('comment-post'))).height, 32);
+    expect(find.byType(IconButton), findsNothing);
+    expect(find.byIcon(Icons.image_outlined), findsNothing);
+    expect(find.byIcon(Icons.emoji_emotions_outlined), findsNothing);
+    expect(find.byIcon(Icons.alternate_email_rounded), findsNothing);
+
+    await tester.enterText(find.byKey(const Key('comment-input')), 'Nice');
+    await tester.pump();
+    expect(
+      tester
+          .widget<TextButton>(find.byKey(const Key('comment-post')))
+          .onPressed,
+      isNotNull,
+    );
+
+    tester.view.viewInsets = const FakeViewPadding(bottom: 180);
+    await tester.pump();
+    await tester.pump(const Duration(milliseconds: 160));
+    expect(
+      tester.getBottomLeft(find.byKey(const Key('player-comments-sheet'))).dy,
+      closeTo(844 - 180, 0.1),
+    );
+
+    tester.view.viewInsets = const FakeViewPadding();
+    FocusManager.instance.primaryFocus?.unfocus();
+    await tester.pumpAndSettle();
+    expect(find.byKey(const Key('comment-expanded-composer')), findsNothing);
+    expect(find.byKey(const Key('comment-list')), findsOneWidget);
+    expect(find.byKey(const Key('comment-composer')), findsOneWidget);
+  });
+
   testWidgets('should_use_polished_comment_sizes', (tester) async {
     final repository = FakeCommentRepository(
       pages: [
@@ -457,6 +544,8 @@ void main() {
     await tester.tap(find.byKey(const Key('comment-post')));
     await tester.pumpAndSettle();
 
+    FocusManager.instance.primaryFocus?.unfocus();
+    await tester.pumpAndSettle();
     expect(find.text('hello ***'), findsOneWidget);
     expect(find.text('Under review'), findsOneWidget);
     expect(haptics.lightImpacts, 1);
@@ -488,10 +577,13 @@ void main() {
     await tester.pump();
     expect(find.textContaining('Replying to'), findsOneWidget);
     await tester.enterText(find.byKey(const Key('comment-input')), 'My reply');
+    await tester.pump();
     await tester.tap(find.byKey(const Key('comment-post')));
     await tester.pumpAndSettle();
 
     expect(repository.publishCalls.single.parentId, '10');
+    FocusManager.instance.primaryFocus?.unfocus();
+    await tester.pumpAndSettle();
     expect(find.text('My reply'), findsOneWidget);
   });
 

test/widget_test.dart

@@ -249,8 +249,11 @@ void main() {
     await tester.pumpAndSettle();
     expect(find.text('No comments yet.'), findsOneWidget);
     await tester.enterText(find.byKey(const Key('comment-input')), 'Nice demo');
+    await tester.pump();
     await tester.tap(find.byKey(const Key('comment-post')));
     await tester.pumpAndSettle();
+    FocusManager.instance.primaryFocus?.unfocus();
+    await tester.pumpAndSettle();
     expect(find.text('Nice demo'), findsOneWidget);
     await tester.binding.handlePopRoute();
     await tester.pumpAndSettle();