完善新播放逻辑

lib/features/player/providers/player_status_provider.dart

@@ -0,0 +1,40 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:vaani/features/player/core/player_status.dart' as core;
+
+part 'player_status_provider.g.dart';
+
+@Riverpod(keepAlive: true)
+class PlayerStatus extends _$PlayerStatus {
+  @override
+  core.PlayerStatus build() {
+    return core.PlayerStatus();
+  }
+
+  void setPlayStatus(core.PlayStatus playStatus) {
+    state = state.copyWith(playStatus: playStatus);
+  }
+
+  void setPlayStatusQuietly(core.PlayStatus playStatus) {
+    // state.copyWith(quite: true);
+    setPlayStatus(playStatus);
+    // state.copyWith(quite: false);
+  }
+
+  // 校验原值, 不相同则更新
+  void setPlayStatusVerify(core.PlayStatus playStatus) {
+    if (state.playStatus != playStatus) {
+      setPlayStatus(playStatus);
+    }
+  }
+
+  void setLoading(String itemId) {
+    state = state.copyWith(
+      playStatus: core.PlayStatus.loading,
+      itemId: itemId,
+    );
+  }
+
+  void setHidden() {
+    state = state.copyWith(playStatus: core.PlayStatus.hidden);
+  }
+}