Index: sources/view/VAlert.h
===================================================================
diff -u -rb5a7852d2637f7969680fbd3d2c821a6a74a8ccd -re92ad4dc0e95b4e4cc1408146fb48a6e33169d52
--- sources/view/VAlert.h	(.../VAlert.h)	(revision b5a7852d2637f7969680fbd3d2c821a6a74a8ccd)
+++ sources/view/VAlert.h	(.../VAlert.h)	(revision e92ad4dc0e95b4e4cc1408146fb48a6e33169d52)
@@ -16,6 +16,7 @@
 
 // Qt
 #include <QObject>
+#include <QQueue>
 
 // Project
 #include "main.h"
@@ -51,12 +52,21 @@
     PROPERTY(GuiAlertID   , alertID,      GuiAlertID::ID_Alert_None)
     // coco end
 
+    QQueue<GuiAlertRequestData> _queue;
+    const int _timerInterval = 1000; // ms
+    const int _maxQueueSize  = 1000;
+    bool _alertVisible = false;
+
+    void timerEvent(QTimerEvent* event);
+    void showAlert(const GuiAlertRequestData &request);
+
 signals:
     void didRequestShowAlert();
     void didAlertResponse(GuiAlertResponseData);
 
 public slots:
     void doAlertResponse(const bool &confirmed);
+    void onUpdateAlertVisible();
 
 private slots:
     void onActionReceive(const GuiAlertRequestData &request);