function setupEventListenersForMultiTabUseInFirefox()

in src/core.js [367:430]
54 lines of code
21 McCabe index (conditional complexity)

    function setupEventListenersForMultiTabUseInFirefox(softphoneParamsIn) {
      var softphoneParams = connect.merge(params.softphone || {}, softphoneParamsIn);

      // keep the softphone params for external use
      connect.core.softphoneParams = softphoneParams;

      if (connect.isFirefoxBrowser()) {
        // In Firefox, when a tab takes over another tab's softphone primary,
        // the previous primary tab should delete sofphone manager and stop microphone
        connect.core.getUpstream().onUpstream(connect.EventType.MASTER_RESPONSE, function (res) {
          if (res.data && res.data.topic === connect.MasterTopics.SOFTPHONE && res.data.takeOver && (res.data.masterId !== connect.core.portStreamId)) {
            if (connect.core.softphoneManager) {
              connect.core.softphoneManager.onInitContactSub.unsubscribe();
              delete connect.core.softphoneManager;
            }
            var userMediaStream = connect.core.getSoftphoneUserMediaStream();
            if (userMediaStream) {
              userMediaStream.getTracks().forEach(function(track) { track.stop(); });
              connect.core.setSoftphoneUserMediaStream(null);
            }
          }
        });

        // In Firefox, when multiple tabs are open,
        // webrtc session is not started until READY_TO_START_SESSION event is triggered
        connect.core.getEventBus().subscribe(connect.ConnectionEvents.READY_TO_START_SESSION, function () {
          connect.ifMaster(connect.MasterTopics.SOFTPHONE, function () {
            if (connect.core.softphoneManager) {
              connect.core.softphoneManager.startSession();
            }
          }, function () {
            connect.becomeMaster(connect.MasterTopics.SOFTPHONE, function () {
              connect.agent(function (agent) {
                if (!connect.core.softphoneManager && agent.isSoftphoneEnabled()) {
                  connect.becomeMaster(connect.MasterTopics.SEND_LOGS);
                  connect.core.softphoneManager = new connect.SoftphoneManager(softphoneParams);
                  connect.core.softphoneManager.startSession();
                }
              });
            });
          });
        });

        // handling outbound-call and auto-accept cases for pending session
        connect.contact(function (c) {
          connect.agent(function (agent) {
            c.onRefresh(function (contact) {
              if (
                connect.hasOtherConnectedCCPs() &&
                document.visibilityState === 'visible' &&
                (contact.getStatus().type === connect.ContactStatusType.CONNECTING || contact.getStatus().type === connect.ContactStatusType.INCOMING)
              ) {
                var isOutBoundCall = contact.isSoftphoneCall() && !contact.isInbound();
                var isAutoAcceptEnabled = contact.isSoftphoneCall() && agent.getConfiguration().softphoneAutoAccept;
                var isQueuedCallback = contact.getType() === connect.ContactType.QUEUE_CALLBACK;
                if (isOutBoundCall || isAutoAcceptEnabled || isQueuedCallback) {
                  connect.core.triggerReadyToStartSessionEvent();
                }
              }
            });
          });
        });
      }
    }