/*

* Copyright (c) 2002-2005 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:  state machine call back api

*

*/

#ifndef MHTMLMAIL_LOADSTATE_H_

#define MHTMLMAIL_LOADSTATE_H_

#include <MMessageLoadObserver.h>

#include <e32cmn.h>

// FORWARD DECLARATIONS

class MMailAppUiInterface;

class MStateMachine;

class CMailMessage;

/**

*  MLoadState

*  State API.

*

*  @since Series 60 3.0

*/

class MLoadState: public MMessageLoadObserver

	{	

	public: // new methods

        /**

        * NextStateL.

        * @since Series 60 3.0

        * @return Next state object. 

        * 	Ownership is transferred to the caller. 

        */				

		virtual MLoadState* NextStateL() = 0;

        /**

        * MakeRequestL.

        * @since Series 60 3.0

        * @param aStatus Async request status.

        * @return aMessage a ref to mail message.

        */

		virtual void MakeRequestL( 

			TRequestStatus& /*aStatus*/,

			CMailMessage& /*aMessage*/ ) = 0;

		/// Destructor	

		virtual ~MLoadState() {};

	protected: // data

		/// Ref: app UI call back

     	MMailAppUiInterface* iAppUI;

		/// Ref: Loading status

		TRequestStatus* iLoadStatus;

	};

#endif // MHTMLMAIL_LOADSTATE_H_ 

// End of File