/*

 * Copyright (c) 2006-2009 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 DRM Http Filter plugin

 *

 */

#ifndef __HTTPFILTERDRM_H_

#define __HTTPFILTERDRM_H_

#include <http/mhttpfilter.h>

#include <http/rhttpsession.h>

#include <http/cecomfilter.h>

#include <http/framework/httplogger.h>

#ifndef DEBUG_LOGGING

#undef _LOGGING

#endif

class RHTTPResponse;

class RHTTPTransaction;

class CDRMMessageParser;

/**

 *  major interface class for DRM HTTP Filter

 *

 *  @lib HTTPFilterDRM.lib

 *  @since 2.6

 */

class CHTTPFilterDRM : public CEComFilter, public MHTTPFilter

    {

public:

    static CEComFilter* InstallFilterL( TAny* aSession );

    virtual ~CHTTPFilterDRM();

    void DeleteDataSupplier( TInt aTransId );

public:

    // Methods from MHTTPFilterBase

    /// @see MHTTPFilterBase::MHFRunL

    virtual void MHFRunL( RHTTPTransaction aTransaction,

        const THTTPEvent& aEvent );

    /// @see MHTTPFilterBase::MHFSessionRunL

    virtual void MHFSessionRunL( const THTTPSessionEvent& aEvent );

    /// @see MHTTPFilterBase::MHFRunError

    virtual TInt MHFRunError( TInt aError, RHTTPTransaction aTransaction,

        const THTTPEvent& aEvent );

    /// @see MHTTPFilterBase::MHFSessionRunError

    virtual TInt MHFSessionRunError( TInt aError,

        const THTTPSessionEvent& aEvent );

public:

    // Methods from MHTTPFilter

    /// @see MHTTPFilter::MHFUnload

    virtual void MHFUnload( RHTTPSession aSession, THTTPFilterHandle aHandle );

    /// @see MHTTPFilter::MHFLoad

    virtual void MHFLoad( RHTTPSession aSession, THTTPFilterHandle aHandle );

private:

    CHTTPFilterDRM( RHTTPSession aSession );

    ///ContructL also Installs the filter.

    void ConstructL( RHTTPSession aSession );

#if defined (_DEBUG) && defined (_LOGGING)

    void DumpResponseHeadersL( RHTTPResponse& aResponse );

#endif

    void CheckHeadersL( const RHTTPTransaction& aTrans );

    void ProcessBodyPartL( RHTTPTransaction& aTrans );

    TInt GetDRMTransIdx( const RHTTPTransaction& aTrans ) const;

    void Cleanup( const RHTTPTransaction& aTrans );

    void CleanupAll();

private:

    /// A count to make sure we delete at the right time.

    TInt iLoadCount;

    RStringPool iStringPool;

    RHTTPSession iSession;

    // data suppliers, one supplier per transaction

    RPointerArray<CHTTPFilterDRMDataSupplier> iDataSups;

    TInt iOffset;

    // used for log purpose

    __DECLARE_LOG

    // In order to enable x-oma-drm-separate-delivery

    TInt iXOmaHeaderVal;

    };

#endif //__HTTPFILTERDRM_H_