fix(player): 保持清屏并常驻中心按钮

lib/pages/player/player_view.dart

@@ -128,9 +128,6 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
         itemCount: indices.length,
         onPageChanged: (position) {
           final index = indices[position];
-          if (widget.homeMode && !_feedChromeVisible) {
-            setState(() => _feedChromeVisible = true);
-          }
           widget.onDramaChanged?.call(logic.queue.entryAt(index).drama);
           unawaited(logic.selectEpisode(index));
         },
@@ -221,18 +218,6 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
                   logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
             ),
           ),
-        if (widget.homeMode &&
-            _feedChromeVisible &&
-            !logic.chromeHidden &&
-            selected &&
-            !logic.session.userWantsPlay)
-          Center(
-            child: PlayerCenterToggle(
-              key: const Key('home-feed-center-play'),
-              playing: false,
-              onTap: () => logic.session.setUserWantsPlay(true),
-            ),
-          ),
         // 票据三态之一：起播前正在向后端要签名地址
         if (selected && logic.ticketLoading)
           const Center(
@@ -466,6 +451,15 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
               ),
             ),
           ),
+        if (widget.homeMode && !logic.chromeHidden && selected)
+          Center(
+            child: PlayerCenterToggle(
+              key: const Key('home-feed-center-play'),
+              playing: logic.session.userWantsPlay,
+              onTap: () =>
+                  logic.session.setUserWantsPlay(!logic.session.userWantsPlay),
+            ),
+          ),
       ],
     );
   }
@@ -669,14 +663,6 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                 Expanded(
                   child: Stack(
                     children: [
-                      if (!widget.playing)
-                        Center(
-                          child: PlayerCenterToggle(
-                            key: const Key('player-play-toggle'),
-                            playing: false,
-                            onTap: widget.onTogglePlay,
-                          ),
-                        ),
                       const Positioned(
                         right: 10,
                         bottom: 14,
@@ -787,6 +773,13 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                 onPressed: () => setState(() => _controlsVisible = true),
               ),
             ),
+          Center(
+            child: PlayerCenterToggle(
+              key: const Key('player-play-toggle'),
+              playing: widget.playing,
+              onTap: widget.onTogglePlay,
+            ),
+          ),
         ],
       ),
     );

test/player/player_fullscreen_test.dart

@@ -69,9 +69,7 @@ void main() {
     expect(tester.takeException(), isNull);
   });
 
-  testWidgets('should_show_play_toggle_only_when_playback_is_paused', (
-    tester,
-  ) async {
+  testWidgets('should_keep_center_toggle_in_both_play_states', (tester) async {
     await _pumpApp(tester);
     await tester.binding.handlePopRoute();
     await tester.pumpAndSettle();
@@ -82,18 +80,51 @@ void main() {
     await tester.tap(find.byKey(const Key('detail-cta')));
     await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('player-play-toggle')), findsNothing);
-
-    await tester.tap(find.byKey(const Key('player-video-tap')));
-    await tester.pump();
-
     expect(find.byKey(const Key('player-play-toggle')), findsOneWidget);
-    expect(find.byKey(const Key('player-controls-top')), findsOneWidget);
-    expect(find.byKey(const Key('player-controls-bottom')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isTrue,
+    );
 
     await tester.tap(find.byKey(const Key('player-play-toggle')));
     await tester.pump();
-    expect(find.byKey(const Key('player-play-toggle')), findsNothing);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isFalse,
+    );
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('player-play-toggle')),
+        matching: find.byIcon(Icons.play_arrow_rounded),
+      ),
+      findsOneWidget,
+    );
+
+    await tester.tap(find.byKey(const Key('player-play-toggle')));
+    await tester.pump();
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isTrue,
+    );
+    expect(
+      find.descendant(
+        of: find.byKey(const Key('player-play-toggle')),
+        matching: find.byIcon(Icons.pause_rounded),
+      ),
+      findsOneWidget,
+    );
   });
 
   testWidgets('should_keep_controls_visible_until_clear_screen_is_tapped', (
@@ -111,11 +142,19 @@ void main() {
 
     expect(find.byKey(const Key('player-controls-top')), findsOneWidget);
     expect(find.byKey(const Key('player-controls-bottom')), findsOneWidget);
-    expect(find.byType(PlayerCenterToggle), findsNothing);
+    expect(find.byType(PlayerCenterToggle), findsOneWidget);
 
-    await tester.tap(find.byKey(const Key('player-video-tap')));
+    await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     expect(find.byType(PlayerCenterToggle), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isFalse,
+    );
 
     await tester.pump(const Duration(seconds: 5));
     await tester.pump();
@@ -129,7 +168,15 @@ void main() {
 
     expect(find.byKey(const Key('player-controls-top')), findsNothing);
     expect(find.byKey(const Key('player-controls-bottom')), findsNothing);
-    expect(find.byType(PlayerCenterToggle), findsNothing);
+    expect(find.byType(PlayerCenterToggle), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isFalse,
+    );
     expect(find.byKey(const Key('player-video-tap')), findsOneWidget);
     expect(find.byKey(const Key('player-exit-clear-screen')), findsOneWidget);
     expect(
@@ -137,21 +184,45 @@ void main() {
       const Size(36, 36),
     );
 
-    await tester.tap(find.byKey(const Key('player-video-tap')));
+    await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     expect(find.byKey(const Key('player-controls-top')), findsNothing);
     expect(find.byKey(const Key('player-exit-clear-screen')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isTrue,
+    );
 
-    await tester.tap(find.byKey(const Key('player-video-tap')));
+    await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     expect(find.byKey(const Key('player-controls-top')), findsNothing);
     expect(find.byKey(const Key('player-exit-clear-screen')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isFalse,
+    );
 
     await tester.tap(find.byKey(const Key('player-exit-clear-screen')));
     await tester.pump();
     expect(find.byKey(const Key('player-controls-top')), findsOneWidget);
     expect(find.byKey(const Key('player-controls-bottom')), findsOneWidget);
     expect(find.byType(PlayerCenterToggle), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('player-play-toggle')),
+          )
+          .playing,
+      isFalse,
+    );
     expect(find.byKey(const Key('player-exit-clear-screen')), findsNothing);
   });
 
@@ -181,6 +252,15 @@ void main() {
     expect(find.byKey(const Key('home-feed-title')), findsOneWidget);
     expect(find.byKey(const Key('home-feed-info-card')), findsOneWidget);
     expect(find.byKey(const Key('home-feed-scrim')), findsOneWidget);
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('home-feed-center-play')),
+          )
+          .playing,
+      isTrue,
+    );
 
     await tester.tap(find.byKey(const Key('home-feed-clear-screen')));
     await tester.pump();
@@ -197,6 +277,7 @@ void main() {
       tester.getSize(find.byKey(const Key('home-feed-exit-clear-screen'))),
       const Size(36, 36),
     );
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
     expect(
       find.ancestor(
         of: find.byKey(const Key('home-feed-exit-clear-screen')),
@@ -211,21 +292,37 @@ void main() {
       greaterThanOrEqualTo(8),
     );
 
-    await tester.tap(find.byKey(const Key('home-feed-video-tap')));
+    await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     expect(find.byKey(const Key('home-feed-title')), findsNothing);
     expect(
       find.byKey(const Key('home-feed-exit-clear-screen')),
       findsOneWidget,
     );
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('home-feed-center-play')),
+          )
+          .playing,
+      isFalse,
+    );
 
-    await tester.tap(find.byKey(const Key('home-feed-video-tap')));
+    await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     expect(find.byKey(const Key('home-feed-title')), findsNothing);
     expect(
       find.byKey(const Key('home-feed-exit-clear-screen')),
       findsOneWidget,
     );
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('home-feed-center-play')),
+          )
+          .playing,
+      isTrue,
+    );
 
     await tester.tap(find.byKey(const Key('home-feed-exit-clear-screen')));
     await tester.pump();
@@ -234,25 +331,51 @@ void main() {
     expect(find.byKey(const Key('home-feed-info-card')), findsOneWidget);
     expect(find.byKey(const Key('home-feed-scrim')), findsOneWidget);
     expect(find.byKey(const Key('home-feed-exit-clear-screen')), findsNothing);
-    expect(find.byKey(const Key('home-feed-center-play')), findsNothing);
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
   });
 
-  testWidgets('should_show_home_play_toggle_only_when_paused', (tester) async {
+  testWidgets('should_keep_home_center_toggle_in_both_play_states', (
+    tester,
+  ) async {
     await _pumpApp(tester);
     await tester.tap(find.byKey(const Key('tab-home')));
     await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('home-feed-center-play')), findsNothing);
-    await tester.tap(find.byKey(const Key('home-feed-video-toggle')));
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('home-feed-center-play')),
+          )
+          .playing,
+      isTrue,
+    );
+    await tester.tapAt(const Offset(80, 300));
     await tester.pump();
     expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('home-feed-center-play')),
+          )
+          .playing,
+      isFalse,
+    );
 
     await tester.tap(find.byKey(const Key('home-feed-center-play')));
     await tester.pump();
-    expect(find.byKey(const Key('home-feed-center-play')), findsNothing);
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+    expect(
+      tester
+          .widget<PlayerCenterToggle>(
+            find.byKey(const Key('home-feed-center-play')),
+          )
+          .playing,
+      isTrue,
+    );
   });
 
-  testWidgets('should_reset_home_chrome_when_swiping_to_next_page', (
+  testWidgets('should_keep_home_clear_state_when_swiping_to_next_page', (
     tester,
   ) async {
     await _pumpApp(tester);
@@ -265,9 +388,13 @@ void main() {
     await tester.drag(find.byType(PageView), const Offset(0, -550));
     await tester.pumpAndSettle();
 
-    expect(find.byKey(const Key('home-feed-title')), findsOneWidget);
-    expect(find.byKey(const Key('home-feed-info-card')), findsOneWidget);
-    expect(find.byKey(const Key('home-feed-exit-clear-screen')), findsNothing);
+    expect(find.byKey(const Key('home-feed-title')), findsNothing);
+    expect(find.byKey(const Key('home-feed-info-card')), findsNothing);
+    expect(
+      find.byKey(const Key('home-feed-exit-clear-screen')),
+      findsOneWidget,
+    );
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
   });
 }
 
@@ -278,7 +405,7 @@ void _expectFullscreenOverlay(WidgetTester tester) {
   for (final key in const [Key('player-back'), Key('player-more')]) {
     expect(tester.getSize(find.byKey(key)), const Size(36, 36));
   }
-  expect(find.byKey(const Key('player-play-toggle')), findsNothing);
+  expect(find.byKey(const Key('player-play-toggle')), findsOneWidget);
   expect(find.byKey(const Key('player-episodes')), findsOneWidget);
   expect(find.byKey(const Key('player-comments')), findsOneWidget);
   expect(find.byKey(const Key('player-next')), findsOneWidget);