/*

* Copyright (c) 2005-2006 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:  

*     Volume indicator controller class

*

*/

#ifndef SMILPLAYERVOLUMEINDICATORCONTROLLER_H

#define SMILPLAYERVOLUMEINDICATORCONTROLLER_H

//  INCLUDES

#include <coecntrl.h>

#include <coecobs.h>

// CONSTANTS

// FORWARD DECLARATIONS

class CEikImage;

class TAknsItemID;

class CRepository;

class TAknLayoutRect;

class CAknVolumePopup;

// DATA TYPES

// CLASS DECLARATION

/**

* Controller class of volume indicator,

*

* @lib smilplayer.lib

* @since 3.0

*/

NONSHARABLE_CLASS(CSmilPlayerVolumeIndicatorController) : public CCoeControl,

                                                          public MCoeControlObserver

    {

    public: // Constructors and destructor

        /**

        * Two-phased constructor.

        *

        * @param aParent        A refence to the parent class.

        *

        * @return pointer to created CSmilPlayerVolumeIndicatorController

        */

        static CSmilPlayerVolumeIndicatorController* NewL( const CCoeControl* aParent );

        /**

        * Destructor.

        */

        virtual ~CSmilPlayerVolumeIndicatorController();

    public: // new functions

        /**

        * Returns current volume value

        *

        * @since 3.0

        *

        * @return Current volume level.

        */

        TInt VolumeValue() const;

    public: // Functions from base classes

        /**

        *  From CCoeControl

        *  See the documentation from the coecntrl.h

        */

        TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, 

                                     TEventCode aType);

        /** 

        * From MCoeControlObserver 

        * See the documentation from the coecobs.h

        */

	    void HandleControlEventL( CCoeControl* aControl, TCoeEvent aEventType );

    private:

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL( const CCoeControl* aParent );  

        /**

        * C++ constructor.

        */

        CSmilPlayerVolumeIndicatorController();

        /**

        * Returns the initial volume level.

        */

        TInt InitialVolumeLevelL() const;

        /**

        * Stores volume level to central repository.        

        */

        void StoreAudioVolume();

    private: // New functions

    private:

        // Used for storing volume level

		CRepository* iRepository;

        // Stores the initial volume level

        TInt iInitialVolumeLevel;

        // Volume popup

        CAknVolumePopup* iVolumePopup;

    };

#endif  // SMILPLAYERVOLUMEINDICATORCONTROLLER_H

// End of File