From d9cc02844d2d5167e726230e4f35cb84d79e0d6a Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Tue, 16 Sep 2014 22:18:20 +0200
Subject: [PATCH] refs #325, reduced loading in users component

---
 src/blackgui/components/usercomponent.cpp | 21 +++++++++++++++++++++
 src/blackgui/components/usercomponent.h   |  6 ++++++
 2 files changed, 27 insertions(+)

diff --git a/src/blackgui/components/usercomponent.cpp b/src/blackgui/components/usercomponent.cpp
index 2f66da0a9..f15931ce7 100644
--- a/src/blackgui/components/usercomponent.cpp
+++ b/src/blackgui/components/usercomponent.cpp
@@ -30,6 +30,18 @@ namespace BlackGui
             delete ui;
         }
 
+        int CUserComponent::countClients() const
+        {
+            Q_ASSERT(this->ui->tvp_Clients);
+            return this->ui->tvp_Clients->rowCount();
+        }
+
+        int CUserComponent::countUsers() const
+        {
+            Q_ASSERT(this->ui->tvp_AllUsers);
+            return this->ui->tvp_AllUsers->rowCount();
+        }
+
         void CUserComponent::update()
         {
             Q_ASSERT(this->ui->tvp_AllUsers);
@@ -38,6 +50,15 @@ namespace BlackGui
 
             if (this->getIContextNetwork()->isConnected())
             {
+                bool withData = countUsers() > 0 || countClients() > 0;
+                if (withData && !isVisibleWidget())
+                {
+                    // KWB remove: qDebug() will be removed soo
+                    qDebug() << this->objectName() << "Skipping update";
+                    return;
+                }
+
+                // load data
                 this->ui->tvp_Clients->updateContainer(this->getIContextNetwork()->getOtherClients());
                 this->ui->tvp_AllUsers->updateContainer(this->getIContextNetwork()->getUsers());
             }
diff --git a/src/blackgui/components/usercomponent.h b/src/blackgui/components/usercomponent.h
index 9d051d4a0..1e29cea98 100644
--- a/src/blackgui/components/usercomponent.h
+++ b/src/blackgui/components/usercomponent.h
@@ -43,6 +43,12 @@ namespace BlackGui
             //! Timer for updating
             CTimerBasedComponent *getTimerComponent() { return this->m_timerComponent; }
 
+            //! Number of clients
+            int countClients() const;
+
+            //! Number of users
+            int countUsers() const;
+
         public slots:
             //! Update users
             void update();