--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/mmmtpdataprovider/inc/cmmmtpdpmetadatampxaccess.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,224 @@
+/*
+* 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:  Meta data Mpx access
+*
+*/
+
+
+#ifndef CMMMTPDPMETADATAMPXACCESS_H
+#define CMMMTPDPMETADATAMPXACCESS_H
+
+#include <badesca.h>
+
+#include "cmmmtpdpperflog.h"
+
+// keep here to avoid warning on urel
+_LIT( KMpxCollectionNewL, "MpxCollectionNewL" );
+_LIT( KMpxCollectionAddL, "MpxCollectionAddL" );
+_LIT( KMpxCollectionGetL, "MpxCollectionGetL" );
+_LIT( KMpxCollectionSetL, "MpxCollectionSetL" );
+_LIT( KMpxCollectionGetPlaylist, "MpxCollectionGetPlaylist" );
+_LIT( KMpxCollectionGetReference, "MpxCollectionGetReference" );
+_LIT( KMpxCollectionFindAllLValidate, "MpxCollectionValidate" );
+_LIT( KMpxCollectionFindAllLBeforeAdd, "KMpxCollectionFindAllLBeforeAdd" );
+
+// forward declacration
+class CMPXMedia;
+class CMTPObjectMetaData;
+class MMPXCollectionHelper;
+class MMTPDataProviderFramework;
+class MMTPType;
+class TMPXAttributeData;
+
+const TInt KStorageRootMaxLength = 10;
+
+typedef struct
+    {
+    TMTPObjectPropertyCode iPropCode;
+    TMPXAttributeData iMpxAttrib;
+    } TMetadataTable;
+
+/**
+* Controls access to the music MPX store database.  Allows access to the
+* information about any of the music stored in any of the MPX db's on any
+* of the drives. Also supports deletions and insertions into the db.
+*/
+class CMmMtpDpMetadataMpxAccess : public CBase
+    {
+public:
+
+    static CMmMtpDpMetadataMpxAccess* NewL( RFs& aRfs, MMTPDataProviderFramework& aFramework );
+
+    /**
+    * Destructor
+    */
+    ~CMmMtpDpMetadataMpxAccess();
+
+public:
+    /**
+    * Get all playlists from MPX database in the assigned store
+    * @param aStoreRoot, specify in which drive playlists are stored
+    * @param aPlaylists, return result array
+    */
+    void GetAllPlaylistL( const TDesC& aStoreRoot, CMPXMediaArray** aPlaylists );
+
+    /**
+    * Get all references of specified playlist
+    * @param aPlaylist, specify of which reference should be get
+    * @param aReferences, return result array which stored handles of all references
+    */
+    void GetAllReferenceL( CMPXMedia* aPlaylist, CDesCArray& aReferences );
+
+    /**
+    * Get an playlist name from CMPXMedia object
+    * @param aPlaylist, specify the source
+    * @param aPlaylistName, return result
+    */
+    void GetPlaylistNameL( CMPXMedia* aPlaylist, TDes& aPlaylistName );
+
+    /**
+    * Adds Songs info to Mpx DB
+    * @param aFullFileName, full file name of Media file
+    */
+    void AddSongL( const TDesC& aFullFileName );
+
+    /**
+    * Adds Playlist to Mpx DB
+    * @param aFullFileName, full file name of Playlist file
+    */
+    void AddPlaylistL( const TDesC& aFullFileName );
+
+    /**
+    * Set playlist to DB
+    * @param aPlaylistFileName, full file name of playlist file
+    * @param aRefFileArray, a array to store the full file name of media files
+    */
+    void SetPlaylistL( const TDesC& aPlaylistFileName,
+            CDesCArray& aRefFileArray );
+
+    void GetObjectMetadataValueL( const TUint16 aPropCode,
+            MMTPType& aNewData,
+            const CMTPObjectMetaData& aObjectMetaData );
+
+    /**
+    * Set object property and updated object in DB according property code,
+    * only for update, not for creation
+    * @param aPropCode, property code of aObjectMetaData
+    * @param aNewData, object property value which will be set into
+    *     aObjectMetaData
+    * @param aObjectMetaData, owner of the property which should be
+    *     updated into database
+    */
+    void SetObjectMetadataValueL( const TUint16 aPropCode,
+            const MMTPType& aNewData,
+            const CMTPObjectMetaData& aObjectMetaData );
+
+    /**
+    * Set object property and updated object in DB according property code,
+    * only for update, not for creation
+    * @param aPropCode, property code of aObjectMetaData
+    * @param aNewData, object property value which will be set into
+    *     aObjectMetaData
+    * @param aSuid, full file name of object of which properties need to set
+    */
+    void SetObjectMetadataValueL( const TUint16 aPropCode,
+            const MMTPType& aNewData,
+            const TDesC& aSuid );
+
+    CMPXMedia* FindWMPMediaLC( TMPXAttributeData aWMPMediaID, TBool aFlag );
+
+    /**
+    * Update the Sync flag for those not synchronized, Update the Modified
+    * flag for those have been modified, and delete the stale records for
+    * files that have been deleted.
+    */
+    void UpdateMusicCollectionL();
+
+    /**
+    * Remove the file from MPX DB
+    * @param aFullFileName, the file to remove
+    * @param aCategory, the category of the file
+    */
+    void DeleteObjectL( const TDesC& aFullFileName, TMPXGeneralCategory aCategory );
+
+    /**
+    * Rename the filename onto MPX DB
+    * @param aOldFileName, the old file to rename
+    * @param aNewFileName, the new file name
+    * @param aFormatCode, the format of object
+    */
+    void RenameObjectL( const TDesC& aOldFileName, const TDesC& aNewFileName,
+            TUint aFormatCode );
+
+    /**
+    * Set current  drive info
+    * @param aStorageRoot, current drive info
+    */
+    void SetStorageRootL( const TDesC& aStorageRoot );
+
+    /**
+    * Get modified content
+    * @param arrayCount, count of modified content
+    * @param aModifiedcontent, modified files name list
+    */
+    void GetModifiedContentL( TInt& arrayCount, CDesCArray& aModifiedcontent );
+    
+    /**
+    * if the playlsit exist in the MPX DB
+    * @param aSuid, the suid of playlsit
+    */
+    TBool IsExistL( const TDesC& aSuid );
+
+private:
+    CMmMtpDpMetadataMpxAccess( RFs& aFs, MMTPDataProviderFramework& aFramework );
+
+    void ConstructL();
+
+    void SetDefaultL( CMPXMedia& aMediaProp );
+
+    /**
+    * Set property value into MPX object according to property code,
+    * only used by member functions of this class.
+    * @param aPropCode, specify property code of aMediaProp
+    * @param aNewData, object property value which will be set into
+    *     aObjectMetaData
+    * @param aObjectMetaData, owner of the property which should be
+    *     inserted or updated into database
+    */
+    void SetMetadataValueL( const TUint16 aPropCode,
+            const MMTPType& aNewData,
+            CMPXMedia& aMediaProp );
+
+    TMPXAttributeData MpxAttribFromPropL( const CMPXMedia& aMedia,
+            const TUint16 aPropCode );
+
+    MMPXCollectionHelper* CollectionHelperL();
+
+private:
+    // File server to allow file access
+    RFs& iRfs;
+
+    TBuf<KStorageRootMaxLength> iStoreRoot;
+
+    MMPXCollectionHelper* iCollectionHelper;
+    
+    MMTPDataProviderFramework& iFramework;  
+
+#if defined(_DEBUG) || defined(MMMTPDP_PERFLOG)
+    CMmMtpDpPerfLog* iPerfLog;
+#endif
+
+    };
+
+#endif // CMMMTPDPMETADATAMPXACCESS_H