organize track & pub to directory

2021-11-30 17:29:18 +07:00
parent 11a1d22e7f
commit 2cd3198cdd
19 changed files with 49 additions and 48 deletions
@@ -0,0 +1,75 @@
+import 'package:meta/meta.dart';
+
+import '../extensions.dart';
+import '../proto/livekit_models.pb.dart' as lk_models;
+import '../support/disposable.dart';
+import '../types.dart';
+import '../track/track.dart';
+
+/// Represents a track that's published to the server. This class contains
+/// metadata associated with tracks.
+///
+/// Base for [RemoteTrackPublication] and [LocalTrackPublication],
+/// can not be instantiated directly.
+
+abstract class TrackPublication extends Disposable {
+  final String sid;
+  final String name;
+  final lk_models.TrackType kind;
+  final TrackSource source;
+
+  abstract Track? track;
+  // Track? get track => _track;
+
+  // metadata-muted
+  bool _muted = false;
+  bool get muted => _muted;
+
+  bool simulcasted = false;
+  TrackDimension? dimension;
+
+  bool get subscribed => track != null;
+
+  TrackPublication.fromInfo(lk_models.TrackInfo info)
+      : sid = info.sid,
+        name = info.name,
+        kind = info.type,
+        source = info.source.toLKType() {
+    updateFromInfo(info);
+  }
+
+  /// True when the track is published with name [Track.screenShareName].
+  bool get isScreenShare =>
+      kind == lk_models.TrackType.VIDEO && name == Track.screenShareName;
+
+  void updateFromInfo(lk_models.TrackInfo info) {
+    simulcasted = info.simulcast;
+    if (info.type == lk_models.TrackType.VIDEO) {
+      dimension = TrackDimension(info.width, info.height);
+    }
+  }
+
+  // Equality operators
+  // Object is considered equal when sid is equal
+  @override
+  int get hashCode => sid.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      other is TrackPublication && sid == other.sid;
+
+  @internal
+  void updateMuted(bool muted) => _muted = muted;
+
+  // Update track to new value, dispose previous if exists.
+  // Returns true if value has changed.
+  // Intended for internal use only.
+  @internal
+  Future<bool> updateTrack(Track? newValue) async {
+    if (track == newValue) return false;
+    // dispose previous track (if exists)
+    await track?.dispose();
+    track = newValue;
+    return true;
+  }
+}