--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/ui/inc/irchanneldataprovider.h	Thu Sep 02 20:17:46 2010 +0300
@@ -0,0 +1,75 @@
+/*
+* 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:
+*
+*/
+
+#ifndef IRCHANNELDATAPROVIDER_H
+#define IRCHANNELDATAPROVIDER_H
+
+#include <hgwidgets/hgdataprovidermodel.h>
+
+class IRQChannelItem;
+class IRQPreset;
+class IRQIsdsClient;
+
+const int KCacheSize = 50;
+const int KCacheThreshold = 20;
+
+class IRChannelDataProvider : public HgDataProviderModel
+{
+Q_OBJECT
+    
+public:
+    IRChannelDataProvider(QObject *aParent);
+    ~IRChannelDataProvider();
+    
+    void activate();
+    void deactivate();
+    IRQChannelItem* getChannelItemByIndex(int aIndex);
+    
+signals:
+    void dataAvailable();
+
+protected:
+    //from HgDataProviderModel
+    void doReleaseData(QList<int> aList, bool aSilent);
+    void doRequestData(QList<int> aList, bool aSilent);  
+    QVariant defaultIcon() const;  
+    void doResetModel();
+    
+private slots:
+    void updateData(QList<IRQChannelItem*> *aPushItemsList);
+    void presetLogoDownload(IRQPreset* aPreset);
+    void presetLogoDownloadError();
+    void downloadNextLogo();
+    
+private:
+    void startDownloading(int aIndex);
+    void clearAndDestroyItems();
+    void clearAndDestroyLogos();
+    
+private:
+    QList<IRQChannelItem*> *iChannelList;
+    QVariant iDefaultLogo;
+    QMap<int, HbIcon*>     iLogos;  //save the downloaded logos
+    QList<int> iRequestedItems; //save the indexes of requested items
+    IRQPreset *iLogoPreset;
+    QTimer *iLogoDownloadTimer;
+    IRQIsdsClient *iIsdsClient;
+    
+    bool iActivated;
+};
+
+#endif