/*

* Copyright (c) 2007 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: 

*       

*

*/

#ifndef __CMSCONTACTBASE__

#define __CMSCONTACTBASE__

// INCLUDES

#include <s32std.h>

const TInt KStreamBufferDefaultSizeText             = 256;

const TInt KStreamBufferDefaultSizeBinary           = 2048;

class RCmsContact;

// CLASS DECLARATION

class CCmsContactBase : public CActive

    {

    public:

        /**

    	* Get a pointer to the 16-bit stream buffer

        *

        * @return TAny* Pointer to the stream buffer

    	*/

        TPtr* StreamDesc16();

        /**

    	* Get a pointer to the 8-bit stream buffer

        *

        * @return TAny* Pointer to the stream buffer

    	*/

        TPtr8* StreamDesc8();

        /**

	    * Check whether this is a binary field

        *

        * @return TBool Binary or not

	    */

		TBool IsBinary() const;

        /**

    	* Activate this object and return its request status

        *

        * @return TRequestStatus& Request status

    	*/

        TRequestStatus& Activate();

		/**

    	* Destructor

    	*/

		~CCmsContactBase();

    protected:

        /**

	    * C++ constructor is private

        * 

        * @return CCmsContactFieldInfo

	    */

        CCmsContactBase( RCmsContact& aContact );

        /**

	    * C++ constructor is private

        * 

        * @param RCmsContact& Contact handle

        * @param TRequestStatus& Request status of the caller

        * @return CCmsContactFieldInfo

	    */

        CCmsContactBase( RCmsContact& aContact, TRequestStatus& aClientStatus );

        /**

	    * Symbian second-phase constructor

        * 

        * @return void

	    */

        void BaseConstructL();

        /**

	    * Reallocate the stream buffer

        * 

        * @param TInt The size of the new buffer

        * @return void

	    */

        void ReAllocBufferL( TInt aBufferSize );

        /**

	    * Reallocate the stream buffer

        * 

        * @param TInt The size of the new buffer

        * @return void

	    */

        void HandleError();

    private:

        /**

	    * Reallocate the stream buffer

        * 

        * @param TInt The size of the new buffer

        * @return void

	    */

        void DoCancel();

    protected : // data

        TPtr                                           iStreamDesc16;

        TPtr8                                          iStreamDesc8;

        TBool                                          iBinary;

        HBufC*                                         iStreamBuffer16;

        HBufC8*                                        iStreamBuffer8;

        RCmsContact&                                   iContact;

        TRequestStatus*                                iClientStatus;

    };

#endif  //__CMSCONTACTFIELD__

// End of File