完善新播放逻辑

lib/features/player/core/player_status.dart

@@ -0,0 +1,58 @@
+enum PlayStatus { stopped, playing, paused, hidden, loading, completed }
+
+class PlayerStatus {
+  PlayStatus playStatus;
+  String itemId;
+  bool quite;
+
+  PlayerStatus({
+    this.playStatus = PlayStatus.hidden,
+    this.itemId = '',
+    this.quite = false,
+  }) {
+    // addListener(_onStatusChanged);
+  }
+  bool isPlaying({String? itemId}) {
+    if (itemId != null && this.itemId.isNotEmpty) {
+      return playStatus == PlayStatus.playing && this.itemId == itemId;
+    } else {
+      return playStatus == PlayStatus.playing;
+    }
+  }
+
+  bool isPaused({String? itemId}) {
+    if (itemId != null && this.itemId.isNotEmpty) {
+      return playStatus == PlayStatus.paused && this.itemId == itemId;
+    } else {
+      return playStatus == PlayStatus.paused;
+    }
+  }
+
+  bool isStopped({String? itemId}) {
+    if (itemId != null && this.itemId.isNotEmpty) {
+      return playStatus == PlayStatus.stopped && this.itemId == itemId;
+    } else {
+      return playStatus == PlayStatus.stopped;
+    }
+  }
+
+  bool isLoading(String? itemId) {
+    if (itemId != null && this.itemId.isNotEmpty) {
+      return playStatus == PlayStatus.loading && this.itemId == itemId;
+    } else {
+      return playStatus == PlayStatus.loading;
+    }
+  }
+
+  PlayerStatus copyWith({
+    PlayStatus? playStatus,
+    String? itemId,
+    bool? quite,
+  }) {
+    return PlayerStatus(
+      playStatus: playStatus ?? this.playStatus,
+      itemId: itemId ?? this.itemId,
+      quite: quite ?? this.quite,
+    );
+  }
+}