diff -r 5723da102db1 -r 38bbf2dcd608 qtinternetradio/ui/src/irlogoprovider.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/ui/src/irlogoprovider.cpp	Mon Oct 04 00:07:46 2010 +0300
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+#include <QVariant>
+
+#include "irlogoprovider.h"
+#include "imgwrapper.h"
+#include "irqisdsclient.h"
+#include "irqisdsdatastructure.h"
+#include "iruidefines.h"
+
+
+IRLogoProvider::IRLogoProvider(IRQIsdsClient *aIsdsClient) : iIsdsClient(aIsdsClient)
+{
+    
+}
+
+IRLogoProvider::~IRLogoProvider()
+{
+}
+
+void IRLogoProvider::getLogo(IRQPreset *aPreset)
+{
+    imgWrapper wrapper;
+    columnMap map;
+    
+    map.insert(channelId, QString::number(aPreset->presetId));
+    map.insert(imgUrl, aPreset->imgUrl);
+    QList<QVariant*> *dataSet = wrapper.getImg(&map);
+    if (dataSet)
+    {
+        //logo data has been saved into database
+        if (dataSet->count() > 0)
+        {
+            QVariant *row = dataSet->at(0);
+            QByteArray logo = row[sLogoGet].toByteArray();
+            if (logo.size() > 0)
+            {
+                emit logoData(logo);
+            }
+            else
+            {
+                //logo data hasn't been saved into database, call isds client to get it
+                iIsdsClient->isdsLogoDownSendRequest(aPreset, 0, KBitmapSize, KBitmapSize); 
+            }
+        }
+        else
+        {
+            //logo data hasn't been saved into database, call isds client to get it
+            iIsdsClient->isdsLogoDownSendRequest(aPreset, 0, KBitmapSize, KBitmapSize); 
+        }
+        
+        while (!dataSet->isEmpty())
+        {
+            delete []dataSet->takeFirst();
+        }
+        delete dataSet;
+    }
+    else
+    {
+        //logo data hasn't been saved into database, call isds client to get it
+        iIsdsClient->isdsLogoDownSendRequest(aPreset, 0, KBitmapSize, KBitmapSize); 
+    }
+}
+
+void IRLogoProvider::activate(const QObject *aReceiver, const char *aFunc)
+{
+    connect(iIsdsClient, SIGNAL(presetLogoDownloaded(IRQPreset* )),
+            this, SLOT(presetLogoDownload(IRQPreset* )));
+    connect(iIsdsClient, SIGNAL(presetLogoDownloadError()),
+            this, SLOT(presetLogoDownloadError()));
+    connect(this, SIGNAL(logoData(const QByteArray&)), aReceiver, aFunc);
+}
+
+void IRLogoProvider::deactivate()
+{
+    disconnect(iIsdsClient, SIGNAL(presetLogoDownloaded(IRQPreset*)),
+               this, SLOT(presetLogoDownload(IRQPreset* )));
+    disconnect(iIsdsClient, SIGNAL(presetLogoDownloadError()),
+               this, SLOT(presetLogoDownloadError()));
+    disconnect(SIGNAL(logoData(const QByteArray&)));
+}
+
+void IRLogoProvider::presetLogoDownload(IRQPreset* aPreset)
+{
+    if (NULL == aPreset)
+    {
+        presetLogoDownloadError();
+        return;
+    }
+    
+    //logo data is available, save it to database
+    imgWrapper wrapper;
+    columnMap rowData;
+    rowData.insert(imgUrl, aPreset->imgUrl);
+    
+    logoMap logo;
+    logo.insert(bLogo, QByteArray());
+    logo.insert(sLogo, aPreset->logoData);
+    bool ret = wrapper.updateImg(&rowData, aPreset->presetId, &logo);
+    
+    emit logoData(aPreset->logoData);
+    delete aPreset;
+}
+
+void IRLogoProvider::presetLogoDownloadError()
+{
+    QByteArray data;
+    emit logoData(data);
+}