/*

* Copyright (c) 2002-2009 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:  Declaration of the OMA DRM CAF Data Agent

*

*/

#ifndef OMA2AGENTDATA_H

#define OMA2AGENTDATA_H

//  INCLUDES

#include <f32file.h>

#include <caf/caf.h>

#include <caf/agentinterface.h>

//this header can be removed when ASYNC_READ flag is removed

// FORWARD DECLARATIONS

class CDcfCache;

// CLASS DECLARATION

namespace ContentAccess

    {

    /**

     *  OMA DRM CAF Data Agent

     *  @lib omadrmagent.lib

     */

    class COma2AgentData : public CAgentData

        {

    public:

        // Constructors and destructor

        /**

         * Two-phased constructor.

         */

        static COma2AgentData* NewL( const TVirtualPathPtr& aVirtualPath,

            TContentShareMode aShareMode );

        static COma2AgentData* NewLC( const TVirtualPathPtr& aVirtualPath,

            TContentShareMode aShareMode );

        static COma2AgentData* NewL( RFile& aFile, const TDesC& aUniqueId );

        static COma2AgentData* NewLC( RFile& aFile, const TDesC& aUniqueId );

        /**

         * Destructor.

         */

        ~COma2AgentData();

    public:

        // From CAgentData

        TInt Read( TDes8& aDes );

        TInt Read( TDes8& aDes, TInt aLength );

        void Read( TDes8& aDes, TRequestStatus& aStatus );

        void Read( TDes8& aDes, TInt aLength, TRequestStatus& aStatus );

        void DataSizeL( TInt& aSize );

        TInt Seek( TSeek aMode, TInt& aPos );

        TInt SetProperty( TAgentProperty aProperty, TInt aValue );

        TInt EvaluateIntent( TIntent aIntent );

        TInt ExecuteIntent( TIntent aIntent );

        TInt GetAttribute( TInt aAttribute, TInt& aValue );

        TInt GetAttributeSet( RAttributeSet& aAttributeSet );

        TInt GetStringAttribute( TInt aAttribute, TDes& aValue );

        TInt GetStringAttributeSet( RStringAttributeSet& aStringAttributeSet );

#ifdef ASYNC_READ

        void ReadCancel( TRequestStatus& aStatus );

        TInt Read( TInt aPos, TDes8& aDes, TInt aLength,

            TRequestStatus& aStatus );

#endif

    private:

        /**

         * C++ default constructor.

         */

        COma2AgentData();

        /**

         * By default Symbian 2nd phase constructor is private.

         */

        void ConstructL( const TVirtualPathPtr& aVirtualPath,

            TContentShareMode aShareMode );

        void ConstructL( RFile& aFile, const TDesC& aUniqueId );

        void InitializeL();

        // Prohibit copy constructor if not deriving from CBase.

        // COma2AgentData( const COma2AgentData& );

        // Prohibit assigment operator if not deriving from CBase.

        // COma2AgentData& operator=( const COma2AgentData& );

    protected:

        // Data

        CDcfCommon* iDcf;

        RFs iFs;

        RFile iFile;

        TInt iDataPosition;

        TInt iRightsStatus;

        RDRMRightsClient iRdb;

        TVirtualPathPtr iVirtualPath;

        CDcfCache* iCache;

        TBool iGroupKeyUsed;

        TInt iLastFileSize;

        HBufC* iUniqueId;

        };

    }

#endif      // OMA2AGENTDATA_H

// End of File