feat (screen-share) Added logs and emit iframe event for video and audio sharing (#12051)

modules/API/API.js

@@ -1770,6 +1770,24 @@ class API {
         });
     }
 
+    /**
+     * Notify the external application that the audio or video is being shared by a participant.
+     *
+     * @param {string} mediaType - Whether the content which is being shared is audio or video.
+     * @param {string} value - Whether the sharing is playing, pause or stop (on audio there is only playing and stop).
+     * @param {string} participantId - Participant id of the participant which started or ended
+     *  the video or audio sharing.
+     * @returns {void}
+     */
+    notifyAudioOrVideoSharingToggled(mediaType, value, participantId) {
+        this._sendEvent({
+            name: 'audio-or-video-sharing-toggled',
+            mediaType,
+            value,
+            participantId
+        });
+    }
+
     /**
      * Disposes the allocated resources.
      *