diff -r 000000000000 -r a2952bb97e68 mmappcomponents/mmmtpdataprovider/mmmtpdprequestprocessor/inc/cdeleteobject.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmappcomponents/mmmtpdataprovider/mmmtpdprequestprocessor/inc/cdeleteobject.h Thu Dec 17 08:55:47 2009 +0200 @@ -0,0 +1,132 @@ +/* +* 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: Delete object operation +* +*/ + + +#ifndef CDELETEOBJECT_H +#define CDELETEOBJECT_H + +#include +#include +#include + +#include "crequestprocessor.h" + +//forward declaration +class RFs; +class CMTPTypeArray; +class MMTPObjectMgr; +class MMmMtpDpConfig; + +/** +* Defines DeleteObject request processor +*/ +class CDeleteObject : public CRequestProcessor + { +public: + /** + * Two-phase construction method + * @param aFramework The data provider framework + * @param aConnection The connection from which the request comes + * @param aWrapper medadata access interface + * @return a pointer to the created request processor object + */ + IMPORT_C static MMmRequestProcessor* NewL( MMTPDataProviderFramework& aFramework, + MMTPConnection& aConnection, + MMmMtpDpConfig& aDpConfig ); + + /** + * Destructor + */ + IMPORT_C virtual ~CDeleteObject(); + +private: + /** + * Standard c++ constructor + * @param aFramework The data provider framework + * @param aConnection The connection from which the request comes + * @param aWrapper medadata access interface + */ + IMPORT_C CDeleteObject( MMTPDataProviderFramework& aFramework, + MMTPConnection& aConnection, + MMmMtpDpConfig& aDpConfig ); + +protected: + //from CRequestProcessor + /** + * DeleteObject request handler + */ + IMPORT_C void ServiceL(); + + //from CActive + /** + * AO Run method, deletes a selection of files on the system + */ + IMPORT_C void RunL(); + + /** + * Used to cancel the deletion of the files + */ + IMPORT_C void DoCancel(); + +private: + void ConstructL(); + /** + * Control the deletion + */ + void StartL(); + /** + * Delete all child objects of an association recursively. + */ + void DeleteAllChildrenL(); + + /** + * Delete all of the associations if file deletion was successful + * Then signals that the deletion has been completed + */ + void ProcessFinalPhaseL(); + + /** + * Gets all object handles (for GetObjectHandlesL) + */ + void GetObjectHandlesL( TUint32 aStorageId, TUint32 aParentHandle ); + + /** + * Deletes an object from the file system and the object store + */ + void DeleteObjectL( const CMTPObjectMetaData& aObjectInfo ); + +private: + // MTP Object Manager + MMTPObjectMgr& iObjectMgr; + + // File server used to open the database + RFs& iFs; + + // Array of all the objects to delete + RArray iObjectsToDelete; + + // Keeps track of any errors that occur + TInt iDeleteError; + + // Keeps track of whether any files where deleted + TBool iIsMultiDelete; + + // Accessor of DB + MMmMtpDpConfig& iDpConfig; + }; + +#endif // CDELETEOBJECT_H