/*

* Copyright (c) 2009 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 TSMODEL_H

#define TSMODEL_H

#include <e32base.h>

#include "tsmodelitem.h"

class MTsModelObserver;

class MTsModel 

{

public:

    virtual TInt count() const = 0;

    TTsModelItem itemL(TInt offset) const;

    virtual void setObserver(MTsModelObserver *observer) = 0;

protected: //data access. should be used by TModelItem

    virtual const TDesC& displayNameL(TInt offset) const = 0;

    virtual TInt iconHandleL(TInt offset) const = 0;

    virtual TTime timestampL(TInt offset) const = 0;

    virtual TTsModelItemKey keyL(TInt offset) const = 0;

    virtual TBool isActiveL(TInt offset) const = 0;

    virtual TBool isClosableL(TInt offset) const = 0;

protected: //operations execution

    virtual TBool closeL(TTsModelItemKey key) const = 0;

    virtual TBool launchL(TTsModelItemKey key) const = 0;

    friend class TTsModelItem;

};

#endif //TSMODEL_H