/*

* 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:  interface for the slider base element internal functions.

 *

*/

#ifndef I_MULSLIDERBASEELEMENTINTERNAL_H

#define I_MULSLIDERBASEELEMENTINTERNAL_H

//Widget Model include

#include <alf/ialfinterfacebase.h>

//Toolkit include

#include <alf/alfevent.h>

#include <alf/alftypes.h>

#include <mul/imulsliderwidget.h>

namespace Alf

    {

    enum SliderLCTIDs

    {

    EHSliderPane,// horizontal slider aacf_slider_pane(0) for base layout 

    EHSliderBase,

    EHSliderCentre,

    EHSliderCenter,// horizontal slider aaslider_bg_pane(0) for track

    EHSliderRight,

    EHSliderLeft,

    EHSliderHandle,// horizontal slider aacf_slider_pane_g1(0) for thumb 

    EHSliderHandleExtended,

    EVSliderPane,  // vertical slider aaslider_pane(2) for mainlayout

    EVSliderBackground, // vertical slider aaslider_pane_g1(2) for mainlayout

    EVSliderBgPane , // aaslider_bg_pane_cp001     

    EVSliderTop ,

    EVSliderMiddle ,

    EVSliderEnd ,

    EVSliderPlus, //aid_touch_size_slider_max

    EVSliderMinus, //aid_touch_size_slider_min

    EVSliderMarker, //aacf_slider_pane_g1

    EVSliderMarkerExtended,

    EVSliderZoomText, //aaslider_pane_t3

    EVSliderAudioImage,

    EVSliderInnerRect,

    EPSliderLeft,

    EPSliderCentre,

    EPSliderRight   

    };    

enum TOperation

{

ENop,      // Nothing is going on.

EMoveItem   // Item is begin moved.

}; 

/**

 * @namespace mulsliderbaseelementinternal

 *

 * internal interface.

 */

namespace mulsliderbaseelementinternal

    {

    static const IfId ident =

        {

        0,"mulsliderbaseelementinternal" 

        };

    }

class IMulSliderBaseElementInternal : public IAlfInterfaceBase 

    {

public:

    static inline const IfId& type()

        {

        return mulsliderbaseelementinternal :: ident;

        }

    /**

     * Notified when the base layout of Slider changes .

     * Relayouts all the visuals with respect to the new size.

     */

    virtual void baseLayoutSizeChanged()=0;

    /**

      * Creates the Visualization of Slider

      * 

      */

    virtual void createVisualization(sliderTemplate aTemplate) = 0;

    /**

      * Updates the Visualization of Slider

      * 

      */

    virtual void updateVisualization() = 0;

    /**

      * Updates the Text Visualization of Slider

      * 

      */

    virtual void updateTextVisualization() = 0;

    /**

      * Stops all the event handling operations 

      * 

      */

    virtual void stopEvents()

        {

        }

    /**

      * API to make the widget transparent.

      * @param aTransparent - True will make it transparent.

      *                     - False for Opaque. 

      */

    virtual void MakeTransparent( bool /*aTransparent*/ )

    {

    }

    /**

      * API to Handle Long Tap events.

      */   

    virtual AlfEventStatus handleLongTap() 

    {

    	 return EEventNotHandled;

    }

    /** 

     *virtual Destructor.

     *

     */

    virtual ~IMulSliderBaseElementInternal() {}

    }; // end of class IMulSliderBaseElementInternal

    } // end of namespace Alf

#endif // I_MULSLIDERBASEELEMENTINTERNAL_H

//End Of File