diff -r 000000000000 -r a2952bb97e68 mmappcomponents/mmmtpdataprovider/inc/cmmmtpdpmetadataaccesswrapper.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/mmmtpdataprovider/inc/cmmmtpdpmetadataaccesswrapper.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,237 @@
+/*
+* 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 Access Wrapper
+*
+*/
+
+
+#ifndef CMMMTPDPMETADATAACCESSWRAPPER_H
+#define CMMMTPDPMETADATAACCESSWRAPPER_H
+
+#include <mtp/cmtpobjectmetadata.h>
+#include <mtp/mtpprotocolconstants.h>
+#include <mpxmediageneraldefs.h>
+#include <mtp/mmtpdataproviderframework.h>
+
+// forward declacration
+class CMmMtpDpMetadataMpxAccess;
+class CMmMtpDpMetadataVideoAccess;
+
+class RFs;
+class MMTPType;
+class CMTPTypeObjectPropList;
+class CMPXMediaArray;
+class CMPXMedia;
+class MMTPDataProviderFramework;
+
+class CMmMtpDpMetadataAccessWrapper : public CBase
+    {
+public:
+    static CMmMtpDpMetadataAccessWrapper* NewL( RFs& aRfs, 
+        MMTPDataProviderFramework& aFramework );
+
+    /**
+    * Destructor
+    */
+    ~CMmMtpDpMetadataAccessWrapper();
+
+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
+    */
+    IMPORT_C 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
+    */
+    IMPORT_C void GetAllReferenceL( CMPXMedia* aPlaylist,
+        CDesCArray& aReferences );
+
+    /**
+    * Get an playlist name from CMPXMedia object
+    * @param aPlaylist, specify the source
+    * @param aPlaylistName, return result
+    */
+    IMPORT_C void GetPlaylistNameL( CMPXMedia* aPlaylist, TDes& aPlaylistName );
+
+    /**
+    * Add object (music, video and playlist) info to DB
+    * @param aFullFileName, full file name of file
+    * @return void
+    */
+    void AddObjectL( const TDesC& aFullFileName, TBool aIsVideo = EFalse );
+
+    /**
+    * 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
+    * @return void
+    */
+    IMPORT_C void SetPlaylistL( const TDesC& aPlaylistFileName,
+        CDesCArray& aRefFileArray );
+
+    /**
+    * Gets a piece of metadata from the collection
+    * @param aPropCode, specify property code of aMediaProp
+    * @param aNewData, object property value which will be get from
+    *    aObjectMetaData
+    * @param aObjectMetaData, owner of the property which should be
+    *    inserted or updated into database
+    * @return void
+    */
+    IMPORT_C void GetObjectMetadataValueL( const TUint16 aPropCode,
+        MMTPType& aNewData,
+        const CMTPObjectMetaData& aObjectMetaData );
+
+    /**
+    * Sets a piece of metadata in the collection
+    * @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
+    * @return void
+    */
+    void SetObjectMetadataValueL( const TUint16 aPropCode,
+        const MMTPType& aNewData,
+        const CMTPObjectMetaData& aObjectMetaData );
+
+    /**
+    * Renames the file part of a record in the collection database
+    * @param aFile, old full file name of Media file
+    * @param aNewFileName, new file name need update
+    * @return void
+    */
+    IMPORT_C void RenameObjectL( const TDesC& aOldFileName, const TDesC& aNewFileName );
+
+    /**
+    * Deletes metadata information associated with the object
+    * @param aFullFileName, full file name of Media file
+    * @param aFormatCode, format code
+    */
+    void DeleteObjectL( const TDesC& aFullFileName, const TUint aFormatCode );
+
+    /**
+    * Set current  drive info
+    * @param aStorageRoot, current drive info
+    */
+    void SetStorageRootL( const TDesC& aStorageRoot );
+
+    /*
+    * set image specific properties specific to videos
+    * @param aFullFileName, the fullFileName of object
+    * @param aWidth,  the width of an object in pixels to set
+    * @parem aHeight,  the height of an object in pixels to set
+    */
+    void SetImageObjPropL( const TDesC& aFullFileName,
+           const TUint32 aWidth,
+           const TUint32 aHeight );
+
+    /*
+    * get image specific properties specific to videos
+    * @param aFullFileName, the fullFileName of object
+    * @param aWidth,  the width of an object in pixels to get
+    * @parem aHeight,  the height of an object in pixels to get
+    */
+    void GetImageObjPropL( const TDesC& aFullFileName,
+            TUint32& aWidth,
+            TUint32& aHeight );
+    
+    /**
+    * Get Modified object from DB
+    * @param aStorageRoot, the root path of storage
+    * @param arrayCount, array count
+    * @param aRefFileArray, a array to store the full file name of media files
+    * @return void
+    */
+    IMPORT_C void GetModifiedContentL( const TDesC& aStorageRoot, 
+        TInt& arrayCount,
+        CDesCArray& aRefFileArray );
+ 
+    /**
+    * Updated Music DB
+    * @return void
+    */
+    IMPORT_C void UpdateMusicCollectionL(); 
+    
+    /*
+    * Called when the MTP session is initialised
+    */
+    void OpenSessionL();
+
+    /*
+    * clean up db resource especially for video dp
+    */
+    void CloseSessionL();
+    
+    /**
+    * Cleanup database
+    */
+    IMPORT_C void CleanupDatabaseL();
+    
+    /**
+    * if the playlsit exist in the MPX DB
+    * @param aSuid, the suid of playlsit
+    */
+    TBool IsExistL( const TDesC& aSuid );
+    
+    // related to dummy files
+    /**
+    * Add one dummy file to dummy files array
+    */
+    IMPORT_C void AddDummyFileL( const TDesC& aDummyFileName );
+    
+    /**
+    * Delete one dummy file from dummy files array
+    */    
+    IMPORT_C void DeleteDummyFile( const TDesC& aDummyFileName );
+    
+    /**
+    * Create a Dummy File from the virtual playlist URI
+    * @param aPlaylistName, specify the filename of the dummy file
+    */
+    IMPORT_C void CreateDummyFile( const TDesC& aPlaylistName );
+    
+private:
+
+    CMmMtpDpMetadataAccessWrapper( RFs& aRfs, MMTPDataProviderFramework& aFramework );
+
+    void ConstructL();
+
+    TMPXGeneralCategory Category( const TUint aFormatCode );
+    
+    /**
+    * Remove all dummy file of which format is "pla", and leave the "m3u"
+    */
+    void RemoveDummyFiles();
+
+private:
+    // Data
+    RFs& iRfs;
+    CMmMtpDpMetadataMpxAccess* iMmMtpDpMetadataMpxAccess;
+    CMmMtpDpMetadataVideoAccess* iMmMtpDpMetadataVideoAccess;
+    TBool iOpenSession;
+    
+    MMTPDataProviderFramework& iFramework;  
+    
+    CDesCArray* iPlaylistArray;
+    
+    };
+
+#endif // CMMMTPDPMETADATAACCESSWRAPPER_H