一堆乱七八糟的修改

播放页面增加桌面版

lib/features/skip_start_end/core/skip_start_end.dart

@@ -0,0 +1,58 @@
+import 'dart:async';
+
+import 'package:vaani/features/player/core/audiobook_player.dart';
+import 'package:vaani/shared/extensions/chapter.dart';
+import 'package:vaani/shared/utils/throttler.dart';
+
+class SkipStartEnd {
+  final Duration start;
+  final Duration end;
+  final AbsAudioHandler player;
+
+  final List<StreamSubscription> _subscriptions = [];
+  final throttlerStart = Throttler(delay: Duration(seconds: 3));
+  final throttlerEnd = Throttler(delay: Duration(seconds: 3));
+
+  SkipStartEnd({
+    required this.start,
+    required this.end,
+    required this.player,
+  }) {
+    if (start > Duration.zero) {
+      _subscriptions.add(
+        player.chapterStream.listen((chapter) {
+          if (chapter != null &&
+              player.positionInChapter < Duration(seconds: 1)) {
+            Future.microtask(
+              () => throttlerStart
+                  .call(() => player.seekInBook(chapter.start + start)),
+            );
+          }
+        }),
+      );
+    }
+    if (end > Duration.zero) {
+      _subscriptions.add(
+        player.positionStreamInChapter.listen((positionChapter) {
+          if (end >
+              (player.currentChapter?.duration ?? Duration.zero) -
+                  positionChapter) {
+            Future.microtask(
+              () => throttlerEnd.call(() => player.skipToNext()),
+            );
+          }
+        }),
+      );
+    }
+  }
+
+  /// dispose the timer
+  void dispose() {
+    for (var sub in _subscriptions) {
+      sub.cancel();
+    }
+    throttlerStart.dispose();
+    throttlerEnd.dispose();
+    // _playbackController.close();
+  }
+}