pushmtm/Plugins/PushContentHandler/PushMtmCacheDataSupplier.h
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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 the License "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:  
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*
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*/
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/*
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* ==============================================================================
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*  Name        : PushMtmCacheDataSupplier.h
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*  Part of     : PushMtm
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*  Interface   : 
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*  Description : 
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*  Version     : 3.1
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*/
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#ifndef CPUSHMTMCACHEDATASUPPLIER_H
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#define CPUSHMTMCACHEDATASUPPLIER_H
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//  INCLUDES
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#include <http/MHTTPDataSupplier.h>
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// CONSTANTS
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// MACROS
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// DATA TYPES
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// FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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// CLASS DECLARATION
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/**
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 *  Data supplier to supply response body if the url is loaded
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 *  from cache
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 *
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 *  @lib 
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 *  @since 3.1
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 */
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class CPushMtmCacheDataSupplier : public CBase, public MHTTPDataSupplier
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    {
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    public:  // Constructors and destructor
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        /**
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        * Two-phased constructor.
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        */
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        static CPushMtmCacheDataSupplier* NewL( HBufC8* aBody );
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        /**
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        * Destructor.
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        */
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        virtual ~CPushMtmCacheDataSupplier();      
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    public: // from MHTTPDataSupplier
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        /**
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        * From MHTTPDataSupplier. Free the data chunk that was requested.
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        * @since 2.0
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        */
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        virtual void ReleaseData() { delete iBody; iBody = NULL;}
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        /**
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        * From MHTTPDataSupplier. It is not possible to know
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        * the data size, so return KErrNotFound
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        * @since 2.0
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        */
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        virtual TInt OverallDataSize () { return KErrNotFound; }
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        /**
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        * From MHTTPDataSupplier. Get the next data part of the response body
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        * @since 2.0
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        */
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        virtual TBool GetNextDataPart( TPtrC8& aDataPart );
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        /**
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        * From MHTTPDataSupplier. Not Supported
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        * @since 2.0
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        */
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        virtual TInt Reset() { return KErrNotFound; }
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    private:
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        /**
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        * C++ default constructor.
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        */
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        CPushMtmCacheDataSupplier( HBufC8* aBody );
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    private:    // Data
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        //owned by datasupplier and is destroyed 
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        //when the releasedata function is called
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        HBufC8* iBody;        
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    };
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#endif      // CPUSHMTMCACHEDATASUPPLIER_H
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// End of File