/*

* 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 CChunkedPostDataItems and CPostDataItem

*

*/

#ifndef _POSTDATAITEM_H

#define _POSTDATAITEM_H

//  INCLUDES

#include <e32base.h>

#include <f32file.h>

// CONSTANTS

// MACROS

// DATA TYPES

namespace WebCore { 

    class FormData;

    class FormDataElement;

};

// FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// CLASS DECLARATION

/**

*  container of form data

*

*  @lib resloader.lib

*  @since 3.0

*/

class PostDataItem

{

public:

    /**

    * Constructor

    */

    PostDataItem(){}

    /**

    * Two-phased constructor.

    * @since 3.0

    * @return PostDataItem

    */

    virtual void initL(const WebCore::FormDataElement* formDataElement);

    /**

    * Retuns data contained by the post data item

    * @since 3.0

    * @return HBufC8* 

    */

    virtual HBufC8* dataL(int sizeToSupply = -1);

    /**

    * resets the state of the objects

    */

    virtual void reset();

    /**

    * Returns amount of data of an item peding to be posted

    * @since 3.0

    * @return int , size left to be posted

    */

    virtual int pendingContentSize() const;

    /**

    * Destructor

    */

    virtual ~PostDataItem();

  protected:

    // protected member data

    HBufC8* m_data;// owned, post content part 

    TUint m_dataOffset;// offset of the data content 

  };

/**

*  container of form data

*

*  @lib resloader.lib

*  @since 3.0

*/

class FileDataItem:public PostDataItem

  {

public:

    /**

    * Constructor

    */

    FileDataItem(){}

    /**

    * Two-phased constructor.

    * @since 3.0

    * @return CPostDataItem

    */

    virtual void initL(const WebCore::FormDataElement* formDataElement);

    /**

    * Retuns data contained by the post data item

    * if the item is of type file , then the contents of

    * the file are read

    * @since 3.0

    * @return HBufC8* 

    */

    HBufC8* dataL(int sizeToSupply = -1);

    /**

    * Returns amount of data of an item pending to be posted

    * @since 3.0

    * @return int , size left to be posted

    */

    int pendingContentSize() const;

    /**

    * Destructor

    */

    ~FileDataItem();

  private:

  private:

    // private member data

    RFile m_file;

    int m_fileSize;

    bool m_fileLocked;

  };

#endif // _POSTDATAITEM_H