/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  Definition of HttpPostDataSupplier 

*

*/

#ifndef HTTPPOSTDATASUPPLIER_H

#define HTTPPOSTDATASUPPLIER_H

//  INCLUDES

#include <e32base.h>

#include <http/mhttpdatasupplier.h>

// CONSTANTS

// MACROS

// DATA TYPES

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

namespace WebCore {

    class FormData;

};

class PostDataItem;

class CBrCtl;

// CLASS DECLARATION

/**

*  Data supplier for POST request body.

*

*  @lib resloader.lib

*  @since 3.1

*/

class HttpPostDataSupplier :public MHTTPDataSupplier

    {

    public:  // Constructors 

        /**

        * Construct.

        * @since 3.1

        * @param aData Post body.

        * @param aDataLen Post body length.

        * @return

        */

        HttpPostDataSupplier(RHTTPTransaction* transaction, CBrCtl* brctl);

        void initL(WebCore::FormData* formData);

        //destructor

        ~HttpPostDataSupplier();

    public: // Functions from base classes

        /**

        * Release data.

        * @since 3.1

        * @param 

        * @return void

        */

        void ReleaseData();

        /**

        * Get body length.

        * @since 3.1

        * @param 

        * @return The length of the body.

        */

        TInt OverallDataSize();

        /**

        * Get the body in one chunk.

        * @since 3.1

        * @param aDataPart A pointer to be set to the data body and length.

        * @return ETrue

        */

        TBool GetNextDataPart( TPtrC8& aDataPart );        

        /**

        * Since we don't stream requests, there is nothing to reset.

        * @since 3.1

        * @param 

        * @return KErrNone

        */

        TInt Reset();

    private:

        /**

        * Get the body in one chunk.

        * @since 3.1

        * @param aDataPart A pointer to be set to the data body and length.

        * @return ETrue

        */

        void getNextDataPartL( TPtrC8& aDataPart );        

    private:    // Data

		RHTTPTransaction* m_transaction; // not owned

        Vector<PostDataItem*> m_postData; // owned

        HBufC8* m_dataPart;// owned , part data

        int m_totalSize;// total size of the post data

        int m_postItemIndex;// post data items track

        int m_refCount;

        bool m_lastPart;

        CBrCtl* m_brctl;

        bool m_firstPart;

    };

#endif      // HTTPPOSTDATASUPPLIER_H

// End of File