openvidu-browser: Session.capabilities property defined

openvidu-browser/src/OpenVidu/Session.ts

@@ -21,6 +21,7 @@ import { Publisher } from './Publisher';
 import { Stream } from './Stream';
 import { StreamManager } from './StreamManager';
 import { Subscriber } from './Subscriber';
+import { Capabilities } from '../OpenViduInternal/Interfaces/Public/Capabilities';
 import { EventDispatcher } from '../OpenViduInternal/Interfaces/Public/EventDispatcher';
 import { SignalOptions } from '../OpenViduInternal/Interfaces/Public/SignalOptions';
 import { SubscriberProperties } from '../OpenViduInternal/Interfaces/Public/SubscriberProperties';
@@ -63,6 +64,12 @@ export class Session implements EventDispatcher {
      */
     streamManagers: StreamManager[] = [];
 
+    /**
+     * Object defining the methods that the client is able to call. These are defined by the role of the token used to connect to the Session.
+     * This object is only defined after [[Session.connect]] has been successfully resolved
+     */
+    capabilities: Capabilities;
+
     // This map is only used to avoid race condition between 'joinRoom' response and 'onParticipantPublished' notification
     /**
      * @hidden
@@ -889,6 +896,12 @@ export class Session implements EventDispatcher {
                             reject(error);
                         } else {
 
+                            // Initialize capabilities object with the role
+                            this.capabilities = {
+                                subscribe: 1,
+                                publish: this.openvidu.role !== 'SUBSCRIBER' ? 1 : 0
+                            };
+
                             // Initialize local Connection object with values returned by openvidu-server
                             this.connection = new Connection(this);
                             this.connection.connectionId = response.id;

openvidu-browser/src/OpenViduInternal/Interfaces/Public/Capabilities.ts

@@ -0,0 +1,33 @@
+/*
+ * (C) Copyright 2017-2018 OpenVidu (https://openvidu.io/)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+/**
+ * See [[Session.capabilities]]
+ */
+export interface Capabilities {
+
+    /**
+     * 1 if the client can call [[Session.publish]], 0 if not
+     */
+    publish: number;
+
+    /**
+     * 1 if the client can call [[Session.subscribe]], 0 if not (1 for every user for now)
+     */
+    subscribe: number;
+
+}

openvidu-browser/src/index.ts

@@ -22,6 +22,7 @@ export { StreamManagerEvent } from './OpenViduInternal/Events/StreamManagerEvent
 export { VideoElementEvent } from './OpenViduInternal/Events/VideoElementEvent';
 export { StreamPropertyChangedEvent } from './OpenViduInternal/Events/StreamPropertyChangedEvent';
 
+export { Capabilities } from './OpenViduInternal/Interfaces/Public/Capabilities';
 export { Device } from './OpenViduInternal/Interfaces/Public/Device';
 export { EventDispatcher } from './OpenViduInternal/Interfaces/Public/EventDispatcher';
 export { OpenViduAdvancedConfiguration } from './OpenViduInternal/Interfaces/Public/OpenViduAdvancedConfiguration';