merge: 仅在暂停时显示播放按钮

lib/pages/player/player_view.dart

@@ -208,6 +208,28 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
               ),
             ),
           ),
+        if (widget.homeMode && _feedChromeVisible && !logic.chromeHidden)
+          Positioned.fill(
+            child: GestureDetector(
+              key: const Key('home-feed-video-toggle'),
+              behavior: HitTestBehavior.opaque,
+              onTap: () => 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(
@@ -605,7 +627,7 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
   void _onVideoTap() {
     if (!_controlsVisible) {
       setState(() => _controlsVisible = true);
-    } else if (!widget.playing) {
+    } else {
       widget.onTogglePlay();
     }
   }
@@ -632,11 +654,11 @@ class _PlaybackOverlayState extends State<_PlaybackOverlay> {
                 Expanded(
                   child: Stack(
                     children: [
-                      if (widget.playing)
+                      if (!widget.playing)
                         Center(
                           child: PlayerCenterToggle(
                             key: const Key('player-play-toggle'),
-                            playing: true,
+                            playing: false,
                             onTap: widget.onTogglePlay,
                           ),
                         ),

test/player/player_fullscreen_test.dart

@@ -69,7 +69,7 @@ void main() {
     expect(tester.takeException(), isNull);
   });
 
-  testWidgets('should_hide_pause_toggle_when_playback_is_paused', (
+  testWidgets('should_show_play_toggle_only_when_playback_is_paused', (
     tester,
   ) async {
     await _pumpApp(tester);
@@ -82,16 +82,18 @@ void main() {
     await tester.tap(find.byKey(const Key('detail-cta')));
     await tester.pumpAndSettle();
 
-    await tester.tap(find.byKey(const Key('player-play-toggle')));
-    await tester.pumpAndSettle();
-
     expect(find.byKey(const Key('player-play-toggle')), findsNothing);
-    expect(find.byKey(const Key('player-controls-top')), findsOneWidget);
-    expect(find.byKey(const Key('player-controls-bottom')), findsOneWidget);
 
     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);
+
+    await tester.tap(find.byKey(const Key('player-play-toggle')));
+    await tester.pump();
+    expect(find.byKey(const Key('player-play-toggle')), findsNothing);
   });
 
   testWidgets('should_keep_controls_visible_until_clear_screen_is_tapped', (
@@ -109,6 +111,10 @@ 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);
+
+    await tester.tap(find.byKey(const Key('player-video-tap')));
+    await tester.pump();
     expect(find.byType(PlayerCenterToggle), findsOneWidget);
 
     await tester.pump(const Duration(seconds: 5));
@@ -176,6 +182,21 @@ void main() {
     expect(find.byKey(const Key('home-feed-info-card')), findsOneWidget);
     expect(find.byKey(const Key('home-feed-scrim')), findsOneWidget);
   });
+
+  testWidgets('should_show_home_play_toggle_only_when_paused', (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')));
+    await tester.pump();
+    expect(find.byKey(const Key('home-feed-center-play')), findsOneWidget);
+
+    await tester.tap(find.byKey(const Key('home-feed-center-play')));
+    await tester.pump();
+    expect(find.byKey(const Key('home-feed-center-play')), findsNothing);
+  });
 }
 
 void _expectFullscreenOverlay(WidgetTester tester) {
@@ -185,7 +206,7 @@ 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')), findsOneWidget);
+  expect(find.byKey(const Key('player-play-toggle')), findsNothing);
   expect(find.byKey(const Key('player-episodes')), findsOneWidget);
   expect(find.byKey(const Key('player-comments')), findsOneWidget);
   expect(find.byKey(const Key('player-next')), findsOneWidget);