--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpserviceplugins/mpxsqlitedbhgplugin/inc/mpxdbartist.h Tue Aug 31 15:12:29 2010 +0300
@@ -0,0 +1,214 @@
+/*
+* 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
+
+/**
+* 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);
+
+ /**
+ * 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);
+
+ /**
+ * Destructor
+ */
+ virtual ~CMPXDbArtist();
+
+ public:
+ /**
+ * Add a artist item. If the record already exists, its counter will
+ * be incremented.
+ * @param aCategory category type
+ * @param aMedia: This is the media object
+ * @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.
+ * @return The unique id of the row added.
+ */
+ virtual TUint32 AddItemL(TMPXGeneralCategory aCategory, const CMPXMedia& aMedia, 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
+ */
+ virtual void UpdateItemL(TUint32 aId, const CMPXMedia& aMedia, TInt aDriveId, CMPXMessageArray* aItemChangedMessages);
+
+ /**
+ * Decrement the number of songs for the item. If the song and album count gets to 0,
+ * remove the item.
+ * @param aId: The ID of the category to delete.
+ * @param aDriveId: The drive Id the name (category) belongs to. Songs on different
+ * drives may belong to the same album or artist; consequently, one
+ * row for each artist/album id and drive ID pair will exist in the
+ * lookup table with a count existing for each row that tracks the
+ * number number of songs on that drive with that album/artist.
+ * @param aItemChangedMessages if valid on return contains a deleted message if the
+ * category was deleted
+ * @param aItemExist Out parameter, ETrue if the category is not deleted after the delete,
+ * EFalse otherwise
+ */
+#ifdef ABSTRACTAUDIOALBUM_INCLUDED
+ virtual void DecrementSongsForCategoryL(TUint32 aId, TInt aDriveId,
+ CMPXMessageArray* aItemChangedMessages, TBool& aItemExist, TBool aMtpInUse = EFalse);
+#else
+ virtual void DecrementSongsForCategoryL(TUint32 aId, TInt aDriveId,
+ CMPXMessageArray* aItemChangedMessages, TBool& aItemExist);
+#endif //ABSTRACTAUDIOALBUM_INCLUDED
+
+ /**
+ * Add a AlbumArtist. If the record already exists, its counter will
+ * be incremented.
+ * @param aName: This is the name to be entered into the row
+ * @param aArt: Album art
+ * @param aDriveId: The Drive Id the name (category) belongs
+ * @return The unique id of the row added.
+ */
+ TUint32 AddAlbumArtistL(const TDesC& aName, const TDesC& aArt, TInt aDriveId);
+
+ /**
+ * Decrement the number of albums for the item. If the song and album count gets to 0,
+ * remove the item.
+ * @param aId: The ID of the category to delete.
+ * @param aDriveId: The drive Id the name (category) belongs to. Songs on different
+ * drives may belong to the same album or artist; consequently, one
+ * row for each artist/album id and drive ID pair will exist in the
+ * lookup table with a count existing for each row that tracks the
+ * number number of songs on that drive with that album/artist.
+ * @param aItemChangedMessages if valid on return contains a deleted message if the
+ * category was deleted
+ */
+ void DecrementAlbumsForArtistL(TUint32 aId, TInt aDriveId,
+ CMPXMessageArray* aItemChangedMessages);
+
+ 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 Songs count and Albums count for a Artist item
+ * @param aDrivceId The Drive Id the name (category) belongs
+ * @param aId identifies the Artist item
+ * @param aSongsCount songs count
+ * @param aAlbumsCount albums count
+ */
+ void GetSongsAndAlbumsCountL(TInt aDriveId, TUint32 aId, TInt& aSongsCount, TInt& aAlbumsCount);
+
+ 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);
+
+ /**
+ * Second phase constructor.
+ */
+ void ConstructL();
+
+ private:
+
+ /**
+ * Column indexes in the category tables
+ */
+ enum TArtistColumns
+ {
+ EArtistUniqueId = KMPXTableDefaultIndex,
+ EArtistName,
+ EArtistSongCount,
+ EArtistAlbumCount,
+ EArtistArt,
+ EArtistFieldCount
+ };
+ };
+
+#endif // MPXDBARTIST_H
+
+// End of File