/*

* 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:  Observer for FsTextViewer class

*

*/

#ifndef M_FSTEXTVIEWEROBSERVER_H

#define M_FSTEXTVIEWEROBSERVER_H

NONSHARABLE_CLASS( MFsTextViewerObserver )

    {

public:

    /** events sent to observers */

    enum TFsTextViewerEvent

        {

        EFsTextViewerHotspotClicked = 0,

        EFsTextViewerHotspotChanged,

        EFsTextViewerHotspotLongTap,

        EFsTextViewerMarkStart,

        EFsTextViewerMarkChange,

        EFsTextViewerMarkEnd,

        EFsTextViewerScrollUp,

        EFsTextViewerScrollDown

        };

public:

    /**

    * C++ destructor

    */

    virtual ~MFsTextViewerObserver() {};

    /**

    * Invoked when event occurs.

    *

    * @param aEvent event type.

    */

    virtual void HandleTextViewerEventL( TFsTextViewerEvent aEvent ) = 0;

    };

#endif // M_FSTEXTVIEWEROBSERVER_H