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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Part of SyncML Data Synchronization Plug In Adapter
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*
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*/
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#ifndef __MEDIADATASTORE_H__
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#define __MEDIADATASTORE_H__
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// INCLUDES
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#include <smldataprovider.h>
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#include <mpxcollectionobserver.h>
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#include "mediadsproviderdefs.h"
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#include "changefinder.h"
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#include "mediamanager.h"
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#include "cmdemanager.h"
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// FORWARD DECLARATIONS
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class CNSmlDataItemUidSet;
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class MMPXHarvesterUtility;
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class MMPXCollectionUtility;
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class CMPXCollectionMediator;
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/**
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* @brief This class is derived from ECom Data Store plugin-interface (CSmlDataStore).
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* It performs the actual synchronization commands, which are received from
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* the DS engine.
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*/
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class CMediaDsDataStore : public CSmlDataStore,
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public MMediaManagerObserver,
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public MMdEManagerObserver
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{
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public:
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/**
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* Constructor
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*
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* @return CMediaDsDataStore* instance.
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*/
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static CMediaDsDataStore* NewLC( RFs& aFs );
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/**
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* Destructor
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*/
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virtual ~CMediaDsDataStore();
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protected:
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// Virtual functionality from CSmlDataStore, for comments see the CSmlDataStore header file
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virtual void DoOpenL(const TDesC& aStoreName, MSmlSyncRelationship& aContext, TRequestStatus& aStatus);
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virtual void DoCancelRequest();
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virtual const TDesC& DoStoreName() const;
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virtual void DoBeginTransactionL();
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virtual void DoCommitTransactionL(TRequestStatus& aStatus);
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virtual void DoRevertTransaction(TRequestStatus& aStatus);
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virtual void DoBeginBatchL();
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virtual void DoCommitBatchL(RArray<TInt>& aResultArray, TRequestStatus& aStatus);
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virtual void DoCancelBatch();
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virtual void DoSetRemoteStoreFormatL(const CSmlDataStoreFormat& aServerDataStoreFormat);
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virtual void DoSetRemoteMaxObjectSize(TInt aServerMaxObjectSize);
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virtual TInt DoMaxObjectSize() const;
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virtual void DoOpenItemL(TSmlDbItemUid aUid, TBool& aFieldChange, TInt& aSize,
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TSmlDbItemUid& aParent, TDes8& aMimeType, TDes8& aMimeVer, TRequestStatus& aStatus);
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virtual void DoCreateItemL(TSmlDbItemUid& aUid, TInt aSize, TSmlDbItemUid aParent,
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const TDesC8& aMimeType, const TDesC8& aMimeVer, TRequestStatus& aStatus);
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virtual void DoReplaceItemL(TSmlDbItemUid aUid, TInt aSize, TSmlDbItemUid aParent,
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TBool aFieldChange, TRequestStatus& aStatus);
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virtual void DoReadItemL(TDes8& aBuffer);
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virtual void DoWriteItemL(const TDesC8& aData);
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virtual void DoCommitItemL(TRequestStatus& aStatus);
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virtual void DoCloseItem();
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virtual void DoMoveItemL(TSmlDbItemUid aUid, TSmlDbItemUid aNewParent, TRequestStatus& aStatus);
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virtual void DoDeleteItemL(TSmlDbItemUid aUid, TRequestStatus& aStatus);
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virtual void DoSoftDeleteItemL(TSmlDbItemUid aUid, TRequestStatus& aStatus);
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virtual void DoDeleteAllItemsL(TRequestStatus& aStatus);
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virtual TBool DoHasSyncHistory() const;
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virtual const MSmlDataItemUidSet& DoAddedItems() const;
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virtual const MSmlDataItemUidSet& DoDeletedItems() const;
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virtual const MSmlDataItemUidSet& DoSoftDeletedItems() const;
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virtual const MSmlDataItemUidSet& DoModifiedItems() const;
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virtual const MSmlDataItemUidSet& DoMovedItems() const;
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virtual void DoResetChangeInfoL(TRequestStatus& aStatus);
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virtual void DoCommitChangeInfoL(TRequestStatus& aStatus, const MSmlDataItemUidSet& aItems);
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virtual void DoCommitChangeInfoL(TRequestStatus& aStatus);
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protected: // from MMPXCollectionObserver
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void HandleCollectionMessage(CMPXMessage* aMsg, TInt /*aErr*/) ;
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void HandleOpenL(const CMPXMedia& aEntries,
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TInt aIndex,TBool aComplete,TInt aError);
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void HandleOpenL(const CMPXCollectionPlaylist& aPlaylist,TInt aError);
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void HandleCommandComplete(CMPXCommand* /*aCommandResult*/,
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TInt /*aError*/);
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void HandleCollectionMediaL(const CMPXMedia& aMedia,
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TInt aError);
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// from MMediaManagerObserver
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void RegisterAllPlayListsCompleted( TInt aError );
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void RegisterAllSongsCompleted( TInt aError );
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protected: // from MMdEManagerObserver
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void AlbumsReaded( TInt aError );
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void AlbumReplaced( TInt aError );
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private:
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/**
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* C++ Constructor.
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*/
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CMediaDsDataStore( RFs& aFs );
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/**
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* 2nd-phase Constructor.
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*
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* @param aMsvSession IN: a session handle to message store
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*/
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void ConstructL();
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/**
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* Registers snapshot to ChangeFinder.
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*/
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void RegisterSnapshotL();
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void RegisterFoldersL( CSnapshotArray& aItemArray );
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void FinalizeOpenStore();
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inline TInt MapSyncIdToAlbumId( TSmlDbItemUid aSyncId );
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inline TSmlDbItemUid MapAlbumIdToSyncId( TInt aAlbumId );
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private: // Data members
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enum TState
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{
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EClosed = 0,
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EOpening,
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EOpenAndWaiting,
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EReplace,
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ECreatePlaylist
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};
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/**
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* The state of the plugin.
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*/
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TState iCurrentState;
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/**
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* A flag indicating the existence of synchronization history.
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*/
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TBool iHasHistory;
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/**
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* Key that is used in sorting snapshot.
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*/
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const TKeyArrayFix iKey;
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/**
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* Change finder, used to determine db modifications.
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*/
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CChangeFinder* iChangeFinder;
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/**
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* The location for temporary data
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*/
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CBufFlat* iDataBuffer;
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/**
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* Current read position at the data chunk from MMS engine
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*/
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TInt iReadPosition;
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/**
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* Indicates wheter this was only status update
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*/
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TInt iWrittenDataLength;
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/**
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* Stores the currently active message id.
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*/
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TSmlDbItemUid iCurrentId;
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/**
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* Pointer to the variable, receiving the created Uid.
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*/
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TSmlDbItemUid* iCreatedUid;
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/**
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* Stores the parent id of currently active message.
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*/
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TSmlDbItemUid iParentId;
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/**
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* Used to get asynchronous return values.
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*/
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TRequestStatus* iCallerStatus;
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/**
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* Used to store new items.
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*/
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CNSmlDataItemUidSet* iNewItems;
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/**
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* Used to store deleted items.
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*/
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CNSmlDataItemUidSet* iDeletedItems;
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/**
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* Used to store updated items.
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*/
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CNSmlDataItemUidSet* iUpdatedItems;
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/**
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* Used to store moved items.
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*/
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CNSmlDataItemUidSet* iMovedItems;
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/**
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* Used to store soft-deleted items (not supported).
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*/
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CNSmlDataItemUidSet* iSoftDeletedItems;
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/**
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* Used to manage playlists and songs.
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*/
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CMediaManager* iMediaManager;
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TBool iMediaManagerReady;
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/**
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* Used to manage photo albums.
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*/
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CMdEManager* iMdEManager;
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TBool iMdEManagerReady;
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TInt iError;
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CMD5* iHasher;
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RFs& iFs;
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CSnapshotArray* iSnapshot;
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TSnapshotItem iItemInReplacement;
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};
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#endif // __MEDIADATASTORE_H__
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