/*

* 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:   Interface for meeting request models

*

*/

#ifndef MMRMODELINTERFACE_H

#define MMRMODELINTERFACE_H

//INCLUDES

#include<e32std.h>

#include <calentry.h>

//FORWARD DECLARATIONS

class MMRDataFillerInterface;

class CRichBio;

class MMRInfoPopup;

/**

*  Mixin interface for OMR models

*

*  @since Series S60 3.0

*/

class MMRModelInterface

    {

    public: // Data types

        enum TClosingStatus

            {

            ENone,

            ENotResponded,

            ENotSaved,

            ENotSentNew,

            ENotSentUpdate

            };

        /**

        * Editing mode, mainly needed to separate between edit instance

        * or edit series. Editing mode is set only once, implicitely by

        * MR Viewer logic or explicitely by the user, depending on entry data.

        */

        enum TEditingMode

            {

            EModeNotSet,

            EEditInstance,

            EEditMeeting,

            EViewOnly

            };            

    public: // Constructors and destructors

		/**

		* Public virtual destructor for allowing deletion through the interface.

		*/

        virtual ~MMRModelInterface() {};

    public: // New functions

        virtual CCalEntry* CombinedEntry() = 0;

    	/**

    	* Refresh combined entry to reflect latest database changes.

    	*/        

        virtual void RefreshViewableEntryL() = 0;

		virtual CCalEntry::TMethod MethodL() = 0;

		virtual TClosingStatus ClosingStatusL() = 0;

		virtual MMRDataFillerInterface* DataFillerL( CRichBio* aRichBio ) = 0;

		virtual MMRInfoPopup* CreateInfoPopupL() = 0;

        virtual TBool IsCmdAvailable( TInt aCommandId ) = 0;        

		virtual HBufC* MailboxOpeningNoteL() = 0;

    	/**

    	* Get edit mode.

    	* @return edit mode

    	*/	    	

    	virtual TEditingMode EditingMode() const = 0;

    	/**

    	* Setting of editing mode is allowed only once.

    	* @param aEditMode

    	*/

    	virtual void SetEditingModeL( TEditingMode aEditMode ) = 0;

		virtual void SetEntryEdited() = 0;

		virtual TBool IsEntryEdited() = 0;

		virtual TBool MailHeadersAvailable() = 0;

		virtual HBufC* MailHeaderFromFieldLC() = 0;

		virtual	HBufC* MailHeaderSubjectFieldLC() = 0;

    };

#endif      // MMRMODELINTERFACE_H

// End of File