--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpserviceplugins/mpxsqlitedbhgplugin/inc/mpxdbartist.h	Mon May 03 12:29:20 2010 +0300
@@ -0,0 +1,179 @@
+/*
+* Copyright (c) 2007 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:  This class is responsible for Artist table.
+*
+*
+*/
+
+
+#ifndef MPXDBARTIST_H
+#define MPXDBARTIST_H
+
+// INCLUDES
+#include "mpxdbcategory.h"
+
+// CLASS DECLARATION
+class MMPXDbArtistObserver
+    {
+    public:
+		virtual TInt HandleGetAlbumsCountForArtistL(TUint32 aId) = 0;
+	};
+
+/**
+* Responsible for managing all music databases
+*
+* @lib MPXDbPlugin.lib
+*/
+
+class CMPXDbArtist :
+    public CMPXDbCategory
+    {
+    public:
+        /**
+        * Two-phased constructor.
+        * @param aDbManager database manager to use for database interactions
+        * @param aCategory identifies the category
+        * @return New CMPXDbArtist instance.
+        */
+        static CMPXDbArtist* NewL(CMPXDbManager& aDbManager,
+            TMPXGeneralCategory aCategory, MMPXDbArtistObserver& aObserver);
+
+        /**
+        * Two-phased constructor.
+        * @param aDbManager database manager to use for database interactions
+        * @param aCategory identifies the category
+        * @return New CMPXDbArtist instance on the cleanup stack.
+        */
+        static CMPXDbArtist* NewLC(CMPXDbManager& aDbManager,
+            TMPXGeneralCategory aCategory, MMPXDbArtistObserver& aObserver);
+
+        /**
+        * Destructor
+        */
+        virtual ~CMPXDbArtist();
+       
+    public:
+        /**
+        * Add a category item. If the record already exists, its counter will
+        * be incremented.
+        * @param aName: This is the name to be entered into the row
+        * @param aDriveId: The Drive Id the name (category) belongs
+        * @param aNewRecord: indicates to the caller if a new record is created.
+        *        ETrue if a new row is created in the table; otherwise EFalse.
+        * @param aCaseSensitive indicates whether case sensitivity should be taken
+        *        into consideration when generating the unique row id
+        * @return The unique id of the row added.
+        */
+        TUint32 AddItemL(const TDesC& aName, const TDesC& aArt, TInt aDriveId, TBool& aNewRecord,
+            TBool aCaseSensitive = ETrue);
+        
+        /**
+        * Gets the details for all category items.
+        * @param aAttrs attributes to be returned
+        * @param aMediaArray returns the requested attributes for all items
+        */
+        void GetAllCategoryItemsL(const TArray<TMPXAttribute>& aAttrs,
+            CMPXMediaArray& aMediaArray);
+        
+        /**
+        * Update a category item. 
+        * @param aId: The ID of the category to update
+        * @param aMedia: The media data
+        * @param aDriveId: The Drive Id the name (category) belongs
+        * @param aItemChangedMessages: if valid on return contains a updated message if the
+        *        category was updated
+        */
+        void UpdateItemL(TUint32 aId, const CMPXMedia& aMedia, TInt aDriveId, CMPXMessageArray* aItemChangedMessages);
+        
+        /*
+        * Checks if the specified artist item is unknown
+        * @param aId identifies the artist item
+        * @return ETrue if it is unknown, EFalse otherwise
+        */        
+        TBool IsUnknownArtistL(TUint32 aId);
+        
+    private:
+
+        /**
+        * Updates the media with information from the table
+        * @param aRecord record containing the source fields
+        * @param aAttrs attributes to be returned
+        * @param aMedia returns the requested attributes
+        */
+        void UpdateMediaL(RSqlStatement& aRecord, const TArray<TMPXAttribute>& aAttrs,
+            CMPXMedia& aMedia);
+
+        /**
+        * Generate searching criteria for artist table from the given criteria
+        * @param aMedia media data
+        * @param aFields fields of Artist table
+        * @param aValues values of each field of Artist table
+        * @return a string containing the selection criteria. The ownership is passed to the caller.
+        */
+        void GenerateArtistFieldsValuesL(const CMPXMedia& aMedia, 
+            CDesCArray& aFields, CDesCArray& aValues);
+       
+        /**
+        * Gets the Album counts for a Artist item
+        * @param aId identifies the Artist item
+        * @return value of the Album counts
+        */
+        TInt GetAlbumsCountL(TUint32 aId);
+
+    private:    // from MMPXTable
+
+        /**
+        * @see MMPXTable
+        */
+        virtual void CreateTableL(RSqlDatabase& aDatabase, TBool aCorruptTable);
+
+        /**
+        * @see MMPXTable
+        */
+        virtual TBool CheckTableL(RSqlDatabase& aDatabase);
+        
+    private:
+
+        /**
+        * C++ constructor.
+        * @param aDbManager database manager to use for database interactions
+        * @param aCategory identifies the category
+        */
+        CMPXDbArtist(CMPXDbManager& aDbManager, TMPXGeneralCategory aCategory, MMPXDbArtistObserver& aObserver);
+
+        /**
+        * Second phase constructor.
+        */
+        void ConstructL();
+
+    private:
+
+        /**
+        * Column indexes in the category tables
+        */
+        enum TArtistColumns
+            {
+            EArtistUniqueId = KMPXTableDefaultIndex,
+            EArtistName,
+            EArtistSongCount,
+            EArtistArt,
+            EArtistFieldCount
+            };
+
+    private:    // Data
+        MMPXDbArtistObserver& iObserver;
+    };
+#endif // MPXDBARTIST_H
+
+// End of File