diff -r 000000000000 -r 09774dfdd46b qtinternetradio/irqfavoritesdb/inc/irqfavoritesdb.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtinternetradio/irqfavoritesdb/inc/irqfavoritesdb.h	Mon Apr 19 14:01:53 2010 +0300
@@ -0,0 +1,140 @@
+/*
+* 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 IRQFAVORITESDB_H
+#define IRQFAVORITESDB_H
+
+#include <QObject>
+#include <pspresetobserver.h> 
+
+class CIRFavoritesDb;
+class IRQPreset;
+
+class IRQFavoritesDB : public QObject, public MPSPresetObserver
+{
+Q_OBJECT
+public:
+
+    IMPORT_C IRQFavoritesDB();
+
+    ~IRQFavoritesDB();
+
+    /* add a preset 
+     * @param IRQPreset& the isds preset,
+     * @return  errcode
+     */
+    IMPORT_C int addPreset(const IRQPreset& aPreset);
+
+    /* add a preset manually
+     * @return  errcode
+     * @param 
+     */
+    IMPORT_C int addPreset(const QString& aName, const QString& aURL);
+
+    /* get a preset uniq id
+     * @return 
+     * @param
+     */
+    IMPORT_C int getUniqId(int aNum);
+    /* delete a preset by uniq id
+     * @return errcode
+     * @param
+     */
+    IMPORT_C int deletePreset(int aUniqId);
+    /* search a preset by uniqpresetId / isdspresetid
+     * warning: the function needs further checking
+     *  @return errcode
+     */
+    IMPORT_C int searchPreset(int aUniqPresetId, int aIsdsPresetId);
+
+    /* get the previouse preset index in the internal list
+     * @return the index
+     */
+    IMPORT_C int getPreviousPreset(int aIndex);
+
+    /* get the next preset index
+     * @return the index
+     */
+    IMPORT_C int getNextPreset(int aIndex); 
+
+    /* replace with new preset
+     * @return errcode 
+     */
+    IMPORT_C int replacePreset(const IRQPreset& aNewPreset);
+
+    /* @return errcode
+     */
+    IMPORT_C int replaceUserDefinedPreset(const IRQPreset& aNewPreset);
+
+    /* change the preset type to user defined
+     * @return errcode
+     */
+    IMPORT_C int makePresetUserDefined(int aChannelId,
+            int aUserDefinedChannelId);
+
+    /* get the empty preset left count
+     * @return the count of empty presets left 
+     */
+    IMPORT_C int emptyPresetCount() const;
+
+    /* get the max preset count supported now
+     * @return errcode 
+     */
+    IMPORT_C int maxPresetCount();
+
+    /* the interface is not used currently.
+     **/
+    IMPORT_C void setMoveStatus(bool aStatus);
+
+    /* the interface is not used currently 
+     */
+    IMPORT_C bool getMoveStatus();
+
+    /* for CIRPreset is just an interface so we can wrapper it into the IRQPreset.
+     * the interface get the IRQPreset list. The upper layer will free all the items
+     * in the list and the list self*/
+    IMPORT_C QList<IRQPreset*>* getPresets() const;
+
+    /*
+     * Increase the played times of the preset if it's in the favorites
+     */
+    IMPORT_C void increasePlayedTimes(const IRQPreset &aPreset);
+    
+    /*
+     * get the CIRFavoritesDb 
+     */
+    IMPORT_C CIRFavoritesDb * getCIRFavoriteDB() const;
+
+signals:
+    /*
+     * the signal will triggered when we receive the message that preset is changed
+     */
+    void presetChanged(int aId, TUid aDataHandler,
+            MPSPresetObserver::TPSReason aType);
+
+private:
+    CIRFavoritesDb * iIRFavoritesDb;
+    void addPresetL(const IRQPreset& aPreset, int& aRetValue);
+    void replacePresetL(const IRQPreset& aNewPreset);
+    void replaceUserDefinedPresetL(const IRQPreset& aNewPreset);
+    void increasePlayedTimesL(const IRQPreset &aPreset);
+    
+private:
+    /* from MPSPresetObserver */
+    void HandlePresetChangedL(TInt aId, TUid aDataHandler,
+            MPSPresetObserver::TPSReason aType);
+};
+#endif