added cargo files

PinePods-0.8.2/mobile/lib/bloc/podcast/queue_bloc.dart

@@ -0,0 +1,63 @@
+// Copyright 2020 Ben Hills and the project contributors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:pinepods_mobile/bloc/bloc.dart';
+import 'package:pinepods_mobile/services/audio/audio_player_service.dart';
+import 'package:pinepods_mobile/services/podcast/podcast_service.dart';
+import 'package:pinepods_mobile/state/queue_event_state.dart';
+import 'package:rxdart/rxdart.dart';
+
+/// Handles interaction with the Queue via an [AudioPlayerService].
+class QueueBloc extends Bloc {
+  final AudioPlayerService audioPlayerService;
+  final PodcastService podcastService;
+  final PublishSubject<QueueEvent> _queueEvent = PublishSubject<QueueEvent>();
+
+  QueueBloc({
+    required this.audioPlayerService,
+    required this.podcastService,
+  }) {
+    _handleQueueEvents();
+  }
+
+  void _handleQueueEvents() {
+    _queueEvent.listen((QueueEvent event) async {
+      if (event is QueueAddEvent) {
+        var e = event.episode;
+        if (e != null) {
+          await audioPlayerService.addUpNextEpisode(e);
+        }
+      } else if (event is QueueRemoveEvent) {
+        var e = event.episode;
+        if (e != null) {
+          await audioPlayerService.removeUpNextEpisode(e);
+        }
+      } else if (event is QueueMoveEvent) {
+        var e = event.episode;
+        if (e != null) {
+          await audioPlayerService.moveUpNextEpisode(e, event.oldIndex, event.newIndex);
+        }
+      } else if (event is QueueClearEvent) {
+        await audioPlayerService.clearUpNext();
+      }
+    });
+
+    audioPlayerService.queueState!.debounceTime(const Duration(seconds: 2)).listen((event) {
+      podcastService.saveQueue(event.queue).then((value) {
+        /// Queue saved.
+      });
+    });
+  }
+
+  Function(QueueEvent) get queueEvent => _queueEvent.sink.add;
+
+  Stream<QueueListState>? get queue => audioPlayerService.queueState;
+
+  @override
+  void dispose() {
+    _queueEvent.close();
+
+    super.dispose();
+  }
+}