Subscriber as primary (#8)

* Update protos

* Signal client

* Improve transport

* First implementation

* Fix publish

* Update `PCTransport` for debounce negotiation

* debounce func

* reconnect & events

* Update debounce func

* engine events

* make sure events don't emit after dispose

* prefix flutter_webrtc

* Cleaner `iceServers` update

* don't mutate user provided params

* fix tests

* event manager

* Fix: `Room.onDisconnected` gets fired multiple times

* data publish in example

* cleaner logic

* safer events

* un-prefix with LK

* organize imports

* Clean up

* remove `Tuple`

* `EventsEmitter` can now be directly listened to

`EventsEmitter` extends `EventsListenable`

example/lib/exts.dart

@@ -15,4 +15,72 @@ extension LKExampleExt on BuildContext {
           ],
         ),
       );
+
+  Future<bool?> showDisconnectDialog() => showDialog<bool>(
+        context: this,
+        builder: (ctx) => AlertDialog(
+          title: const Text('Disconnect'),
+          content: const Text('Are you sure to disconnect?'),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, false),
+              child: const Text('Cancel'),
+            ),
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, true),
+              child: const Text('Disconnect'),
+            ),
+          ],
+        ),
+      );
+
+  Future<bool?> showReconnectDialog() => showDialog<bool>(
+        context: this,
+        builder: (ctx) => AlertDialog(
+          title: const Text('Reconnect'),
+          content: const Text('This will force a reconnection'),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, false),
+              child: const Text('Cancel'),
+            ),
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, true),
+              child: const Text('Reconnect'),
+            ),
+          ],
+        ),
+      );
+
+  Future<bool?> showSendDataDialog() => showDialog<bool>(
+        context: this,
+        builder: (ctx) => AlertDialog(
+          title: const Text('Send data'),
+          content: const Text('This will send a sample data to all participants in the room'),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, false),
+              child: const Text('Cancel'),
+            ),
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, true),
+              child: const Text('Send'),
+            ),
+          ],
+        ),
+      );
+
+  Future<bool?> showDataReceivedDialog(String data) => showDialog<bool>(
+        context: this,
+        builder: (ctx) => AlertDialog(
+          title: const Text('Received data'),
+          content: Text('"${data}"'),
+          actions: [
+            TextButton(
+              onPressed: () => Navigator.pop(ctx, true),
+              child: const Text('OK'),
+            ),
+          ],
+        ),
+      );
 }

example/lib/pages/room.dart

@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
@@ -6,6 +7,7 @@ import 'package:provider/provider.dart';
 
 import '../widgets/controls.dart';
 import '../widgets/participant.dart';
+import '../exts.dart';
 
 class RoomPage extends StatefulWidget {
   //
@@ -17,13 +19,10 @@ class RoomPage extends StatefulWidget {
   }) : super(key: key);
 
   @override
-  State<StatefulWidget> createState() {
-    return _RoomPageState();
-  }
+  State<StatefulWidget> createState() => _RoomPageState();
 }
 
 class _RoomPageState extends State<RoomPage> with RoomDelegate {
-  // BuildContext? _lastContext;
   //
   List<Participant> participants = [];
 
@@ -107,13 +106,15 @@ class _RoomPageState extends State<RoomPage> with RoomDelegate {
     });
   }
 
+  @override
+  void onDataReceived(RemoteParticipant participant, List<int> data) async {
+    await context.showDataReceivedDialog(utf8.decode(data));
+  }
+
   @override
   void onDisconnected() {
-    // final context = _lastContext;
     print('disconnected: $context');
-    // if (context != null) {
     Navigator.pop(context);
-    // }
   }
 
   @override

example/lib/widgets/controls.dart

@@ -1,7 +1,10 @@
+import 'dart:convert';
+
 import 'package:eva_icons_flutter/eva_icons_flutter.dart';
 import 'package:flutter/material.dart';
 import 'package:livekit_client/livekit_client.dart';
 import 'package:collection/collection.dart';
+import '../exts.dart';
 
 class ControlsWidget extends StatefulWidget {
   //
@@ -113,8 +116,23 @@ class _ControlsWidgetState extends State<ControlsWidget> {
     }
   }
 
-  void _exit() {
-    widget.room.disconnect();
+  void _onTapDisconnect() async {
+    final result = await context.showDisconnectDialog();
+    if (result == true) await widget.room.disconnect();
+  }
+
+  void _onTapReconnect() async {
+    final result = await context.showReconnectDialog();
+    if (result == true) await widget.room.reconnect();
+  }
+
+  void _onTapSendData() async {
+    final result = await context.showSendDataDialog();
+    if (result == true) {
+      await widget.room.localParticipant.publishData(
+        utf8.encode('This is a sample data message'),
+      );
+    }
   }
 
   @override
@@ -157,9 +175,17 @@ class _ControlsWidgetState extends State<ControlsWidget> {
           onPressed: () => _shareScreen(),
         ),
         IconButton(
-          onPressed: _exit,
+          onPressed: _onTapDisconnect,
           icon: const Icon(EvaIcons.closeCircle),
-        )
+        ),
+        IconButton(
+          onPressed: _onTapSendData,
+          icon: const Icon(EvaIcons.paperPlane),
+        ),
+        IconButton(
+          onPressed: _onTapReconnect,
+          icon: const Icon(EvaIcons.refresh),
+        ),
       ],
     );
   }

example/pubspec.lock

@@ -162,7 +162,7 @@ packages:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   matcher:
     dependency: transitive
     description:
@@ -268,13 +268,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "5.0.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "3.0.1"
   shared_preferences:
     dependency: "direct main"
     description:
@@ -371,13 +364,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.2"
-  tuple:
-    dependency: transitive
-    description:
-      name: tuple
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.0"
   typed_data:
     dependency: transitive
     description: