refactor(ui): 清理 K26 旧 UI 与死代码

lib/pages/player/player_logic.dart

@@ -3,7 +3,6 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
 import 'package:provider/provider.dart';
 
 import '../../core/data/models/drama.dart';
@@ -71,10 +70,8 @@ class PlayerLogic extends ChangeNotifier {
   bool muted = false;
   bool stoppedAtFeedEnd = false;
   VideoPlayerPort? scrubbingPlayer;
-  bool fullscreen = false;
   bool pip = false;
   bool pipPreparing = false;
-  bool screenCleared = false;
   final Map<String, int> pickedEpisode = {};
 
   bool Function() isMounted = () => false;
@@ -98,9 +95,9 @@ class PlayerLogic extends ChangeNotifier {
   /// dispose 不能直接碰它们（例如页面构建失败或纯逻辑测试）。
   bool _started = false;
 
-  bool get immersive => fullscreen || pip || pipPreparing;
+  bool get immersive => pip || pipPreparing;
 
-  bool get chromeHidden => immersive || screenCleared;
+  bool get chromeHidden => immersive;
 
   Episode displayEpisode(Drama drama, Episode fallback) {
     final number = pickedEpisode[drama.id];
@@ -111,13 +108,6 @@ class PlayerLogic extends ChangeNotifier {
     return fallback;
   }
 
-  void setScreenCleared(bool value) {
-    if (screenCleared == value) return;
-    screenCleared = value;
-    notify();
-    notifyImmersive();
-  }
-
   void notify() {
     if (!_disposed) notifyListeners();
   }
@@ -262,13 +252,7 @@ class PlayerLogic extends ChangeNotifier {
       final request = backRequest;
       WidgetsBinding.instance.addPostFrameCallback((_) {
         if (isMounted() && backRequest == request) {
-          if (fullscreen) {
-            unawaited(setFullscreen(false));
-          } else if (screenCleared) {
-            setScreenCleared(false);
-          } else {
-            onMenu?.call();
-          }
+          onMenu?.call();
         }
       });
     }
@@ -295,12 +279,6 @@ class PlayerLogic extends ChangeNotifier {
     if (_disposed) return;
     _disposed = true;
     pictureInPicture.setStateListener(null);
-    if (fullscreen) {
-      unawaited(
-        SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]),
-      );
-      unawaited(SystemChrome.setEnabledSystemUIMode(SystemUiMode.edgeToEdge));
-    }
     unawaited(saveCurrentProgress());
     if (_started) {
       session.setRouteVisible(false);
@@ -313,32 +291,6 @@ class PlayerLogic extends ChangeNotifier {
 
   void notifyImmersive() => onImmersiveChanged?.call(chromeHidden);
 
-  Future<void> setFullscreen(bool value) async {
-    if (fullscreen == value || !isMounted()) return;
-    fullscreen = value;
-    notify();
-    notifyImmersive();
-    try {
-      await SystemChrome.setPreferredOrientations(
-        value
-            ? [
-                DeviceOrientation.landscapeLeft,
-                DeviceOrientation.landscapeRight,
-              ]
-            : [DeviceOrientation.portraitUp],
-      );
-      await SystemChrome.setEnabledSystemUIMode(
-        value ? SystemUiMode.immersiveSticky : SystemUiMode.edgeToEdge,
-      );
-    } catch (_) {
-      if (value && isMounted()) {
-        fullscreen = false;
-        notify();
-        notifyImmersive();
-      }
-    }
-  }
-
   Future<void> enterPip(BuildContext context) async {
     if (pip || pipPreparing) return;
     if (session.active is! VideoPlayerPort) {
@@ -347,7 +299,6 @@ class PlayerLogic extends ChangeNotifier {
       );
       return;
     }
-    if (fullscreen) await setFullscreen(false);
     pipPreparing = true;
     notify();
     notifyImmersive();

lib/pages/player/player_view.dart

@@ -162,7 +162,7 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
         logic.session.preparedPlayerAt(index);
     final videoPort = port is VideoPlayerPort ? port : null;
     final ready = videoPort?.controller.value.isInitialized ?? false;
-    final theater = logic.fullscreen || logic.pip || logic.pipPreparing;
+    final theater = logic.pip || logic.pipPreparing;
     Widget? video;
     if (ready) {
       video = GestureDetector(
@@ -322,20 +322,7 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
           ),
         if (logic.pip || logic.pipPreparing)
           const SizedBox.expand()
-        else if (logic.fullscreen)
-          _FullscreenControls(
-            l10n: l10n,
-            controller: ready ? videoPort!.controller : null,
-            onClose: () => unawaited(logic.setFullscreen(false)),
-            onPip: logic.pictureInPicture.isPlatformSupported
-                ? () => unawaited(logic.enterPip(context))
-                : null,
-            onScrubStart: ready ? () => logic.beginScrub(videoPort!) : null,
-            onSeek: ready
-                ? (position) => logic.seekTo(context, videoPort!, position)
-                : null,
-          )
-        else if (!logic.screenCleared && widget.homeMode)
+        else if (widget.homeMode)
           HomeFeedOverlay(
             l10n: l10n,
             drama: drama,
@@ -375,13 +362,12 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
             onShare: () => logic.shareDrama(context, drama),
             onEpisodes: () => logic.showEpisodes(context),
             onDownload: () => requestEpisodeDownload(context, episode.id),
-            onClear: () => logic.setScreenCleared(true),
             onSearch: widget.onSearch ?? () => logic.showDiscover(context),
             onPip: logic.pictureInPicture.isPlatformSupported
                 ? () => unawaited(logic.enterPip(context))
                 : null,
           )
-        else if (!logic.screenCleared)
+        else
           _PlaybackOverlay(
             l10n: l10n,
             drama: drama,
@@ -441,81 +427,11 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
                 ? (position) => logic.seekTo(context, videoPort!, position)
                 : null,
           ),
-        if (logic.screenCleared)
-          SafeArea(
-            child: Align(
-              alignment: Alignment.topRight,
-              child: Padding(
-                padding: const EdgeInsets.only(top: 4, right: 8),
-                child: IconButton(
-                  tooltip: l10n.exitClearScreen,
-                  onPressed: () => logic.setScreenCleared(false),
-                  style: IconButton.styleFrom(
-                    foregroundColor: Colors.white,
-                    backgroundColor: const Color(0x59000000),
-                  ),
-                  icon: const Icon(Icons.close_fullscreen_rounded),
-                ),
-              ),
-            ),
-          ),
       ],
     );
   }
 }
 
-class _FullscreenControls extends StatelessWidget {
-  const _FullscreenControls({
-    required this.l10n,
-    required this.controller,
-    required this.onClose,
-    required this.onPip,
-    required this.onScrubStart,
-    required this.onSeek,
-  });
-
-  final AppLocalizations l10n;
-  final VideoPlayerController? controller;
-  final VoidCallback onClose;
-  final VoidCallback? onPip;
-  final VoidCallback? onScrubStart;
-  final Future<void> Function(Duration)? onSeek;
-
-  @override
-  Widget build(BuildContext context) => SafeArea(
-    child: Column(
-      children: [
-        Row(
-          children: [
-            IconButton(
-              tooltip: l10n.exitFullscreen,
-              onPressed: onClose,
-              icon: const Icon(Icons.close_fullscreen_rounded),
-            ),
-            const Spacer(),
-            if (onPip != null)
-              IconButton(
-                tooltip: l10n.pictureInPicture,
-                onPressed: onPip,
-                icon: const Icon(Icons.picture_in_picture_alt_outlined),
-              ),
-          ],
-        ),
-        const Spacer(),
-        Padding(
-          padding: const EdgeInsets.fromLTRB(20, 0, 20, 16),
-          child: SeekProgressBar(
-            valueListenable: controller,
-            semanticsLabel: l10n.seekVideo,
-            onScrubStart: onScrubStart,
-            onSeek: onSeek,
-          ),
-        ),
-      ],
-    ),
-  );
-}
-
 /// 不可播放提示：文案由后端返回的 `accessType` 驱动（契约 §1.4），前端不自行推断。
 class _BlockedNotice extends StatelessWidget {
   const _BlockedNotice({

lib/pages/player/widgets/home_feed_overlay.dart

@@ -26,7 +26,6 @@ class HomeFeedOverlay extends StatelessWidget {
     required this.onShare,
     required this.onEpisodes,
     required this.onDownload,
-    required this.onClear,
     required this.onSearch,
     this.onPip,
   });
@@ -42,7 +41,6 @@ class HomeFeedOverlay extends StatelessWidget {
   final VoidCallback onShare;
   final VoidCallback onEpisodes;
   final VoidCallback onDownload;
-  final VoidCallback onClear;
   final VoidCallback onSearch;
   final VoidCallback? onPip;
 
@@ -332,18 +330,6 @@ class HomeFeedOverlay extends StatelessWidget {
                   onPip!();
                 },
               ),
-            ListTile(
-              key: const Key('home-feed-clear'),
-              leading: const Icon(
-                Icons.fit_screen_outlined,
-                color: AppColors.secondary,
-              ),
-              title: Text(l10n.clearScreen),
-              onTap: () {
-                Navigator.pop(sheetContext);
-                onClear();
-              },
-            ),
           ],
         ),
       ),