toggleVideo method

Implementation

bool toggleVideo() {
  if (stream != null) {
    final videoTrack = stream?.getVideoTracks()[0];
    if (videoTrack != null) {
      final bool videoEnabled = videoTrack.enabled = !videoTrack.enabled;
      this.videoEnabled = videoEnabled;
      sendMessage('video-toggle', {
        'userId': userId,
        'videoEnabled': videoEnabled,
      });
      return videoEnabled;
    }
  }
  return false;
}