/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  AO that completes on a change in the volume property.

*

*/

#ifndef BAVPVOLUMEHANDLER_H

#define BAVPVOLUMEHANDLER_H

#include <e32std.h>

#include <CenRepNotifyHandler.h>

// CONSTANTS

const TInt KGeneralProfile = 0;

const TInt KSilentProfile = 1;

const TInt KMeetingProfile = 2;

// The Central Depository volume values:

// 0(mute), 2, 5, 8, 10(maximum)

// Used to populate the initial volume and the volume dialog 

const TInt KCRVolume0 = 0;

const TInt KCRVolume2 = 2;

const TInt KCRVolume5 = 5;

const TInt KCRVolume8 = 8;

const TInt KCRVolume10 = 10;

const TInt KCRVolumeMute = KCRVolume0;

const TInt KCRVolumeMax = KCRVolume10;

// FORWARD DECLARATIONS

class MBavpVolumeObserver;

class CCenRepNotifyHandler;

class CRepository;

/**

*  CBavpVolumeHandler class for soft volume handling

*  @lib npBrowserVideoPlugin.lib

*  @since 3.2

*/

class CBavpVolumeHandler : public CBase,

						   public MCenRepNotifyHandlerCallback

	{

        public:

            // Constructors and destructor

        /**

        * Two-phased constructor.

        */

    	static CBavpVolumeHandler* NewL( MBavpVolumeObserver* aObserver );

    	/**

        * Destructor.

        */

        ~CBavpVolumeHandler();

        /**

        * function impl for MCenRepNotifyHandlerCallback interface 

        * @since 3.1

        * @param TInt aVolume - volume value to be set to

        * @return void

        */

    	void HandleNotifyInt( const TUint32 aKeyId, TInt aNewValue );

    private:

        /**

        * C++ default constructor.

        */

    	CBavpVolumeHandler( MBavpVolumeObserver* aObserver );

    	/**

        * By default Symbian 2nd phase constructor is private.

        */

    	void ConstructL();

    private:

        MBavpVolumeObserver* iObserver;

		// Central repository for Volume settings 

    	CRepository* iVolumeRepository;

		// Handler to notify volume changes in central repository

    	CCenRepNotifyHandler* iVolumeCRHandler;

    	// Current volume settings

    	TInt iCurrentVolume;

    	// Previous volume settings, save for mute/unmute

    	TInt iPreviousVolume;

		// Central repository for Profiles 

		CRepository*  iProfileRepository;

		// Handler to notify Profile changes in central repository

		CCenRepNotifyHandler* iProfileCRHandler;

    	// Current profile settings

    	TInt iCurrentProfile;

	};

#endif //BAVPVOLUMEHANDLER_H