diff -r 000000000000 -r a2952bb97e68 mmappcomponents/mmmtpdataprovider/mmmtpdprequestprocessor/inc/cgetpartialobject.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmappcomponents/mmmtpdataprovider/mmmtpdprequestprocessor/inc/cgetpartialobject.h Thu Dec 17 08:55:47 2009 +0200 @@ -0,0 +1,116 @@ +/* +* 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: GetParitialObject operation +* +*/ + + +#ifndef CGETPARTIALOBJECT_H +#define CGETPARTIALOBJECT_H + +#include "crequestprocessor.h" + +class MMTPDataProviderFramework; +class RFs; +class TMTPTypeFlatBase; +class CMTPTypeFile; +class CMmMtpDpMetadataAccessWrapper; +class MMmMtpDpConfig; + +/** +* Defines GetPartialObject request processor +*/ +class CGetPartialObject : 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 ~CGetPartialObject(); + +protected: + /** + * Standard c++ constructor + * @param aFramework The data provider framework + * @param aConnection The connection from which the request comes + */ + IMPORT_C CGetPartialObject( MMTPDataProviderFramework& aFramework, + MMTPConnection& aConnection ); + +protected: + // from CRequestProcessor + /** + * Check the GetPartialObject reqeust + * @return EMTPRespCodeOK if the request is good, otherwise, one of the error response codes + */ + IMPORT_C TMTPResponseCode CheckRequestL(); + + /** + * GetPartialObject request handler + * Send the partial object data to the initiator + */ + IMPORT_C void ServiceL(); + + /** + * Signal to the initiator how much data has been sent + * @return EFalse + */ + IMPORT_C TBool DoHandleResponsePhaseL(); + +private: + /** + * Second-phase construction + */ + void ConstructL(); + +private: + //helper + /** + * Verify if the parameter of the request (i.e. offset) is good. + * @return ETrue if the parameter is good, otherwise, EFalse + */ + TBool VerifyParametersL(); + + /** + * Populate the partial data object + */ + void BuildPartialDataL(); + +private: + MMTPDataProviderFramework& iFramework; + RFs& iFs; + TMTPTypeFlatBase* iPartialData; + HBufC8* iBuffer; + TPtr8 iBufferPtr8; + TInt iOffset; + TInt iPartialDataLength; + TBool iCompleteFile; + CMTPTypeFile* iFileObject; + TBuf iFileSuid; + TUint32 iObjectHandle; + + }; + +#endif // CGETPARTIALOBJECT_H