/*

* 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 "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

* which accompanies this distribution, and is available

* at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  This is the definition of the Bass Boost effect class.

*

*/

#ifndef BASSBOOSTBASE_H

#define BASSBOOSTBASE_H

// INCLUDES

#include <e32base.h>

#include <AudioEffectBase.h>

#include <BassBoostData.h>

#include <MCustomInterface.h>

const TUid KUidBassBoostEffect = {0x10203827};

// FORWARD DELCARATION

class CMdaAudioConvertUtility;

class CMdaAudioPlayerUtility;

class CMdaAudioRecorderUtility;

class CMdaAudioInputStream;

class CMdaAudioOutputStream;

class CMdaAudioToneUtility;

class CCustomCommandUtility;

class CCustomInterfaceUtility;

class CMMFDevSound;

class CMidiClientUtility;

class CDrmPlayerUtility;

class CVideoPlayerUtility;

// CLASS DECLARATION

/**

*  This is the bass boost effect class for managing audio bass boost settings.

*

*  @lib BassBoostUtility.lib

*  @since 3.0

*/

class CBassBoost : public CAudioEffect

	{

	public:		//New Functions

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aDevSound A reference to a DevSound instance

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMMFDevSound& aDevSound, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to an audio convert utility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMdaAudioConvertUtility& aUtility, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to an audio input stream utility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMdaAudioInputStream& aUtility, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to an audio output stream utility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMdaAudioOutputStream& aUtility, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to an audio player utility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMdaAudioPlayerUtility& aUtility, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to an audio record utility

        * @param aRecordStream ETrue if the effect is to be applied to the recording,

        *                      EFalse if the effect is to be applied only to the playback

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMdaAudioRecorderUtility& aUtility, TBool aRecordStream, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to an audio tone utility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMdaAudioToneUtility& aUtility, TBool aEnable = EFalse );

	    /**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to a custom command utility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

        * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CCustomCommandUtility* aUtility, TBool aEnable = EFalse );

		/**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aCustomInterface A reference to a custom interface

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

         * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( MCustomInterface& aCustomInterface, TBool aEnable = EFalse );

		/**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param aUtility A reference to a CMidiClientUtility

        * @param aEnable Indicate whether the effect will be automatically enabled after creation.

         * @return pointer to CBassBoost object

        */

		IMPORT_C static CBassBoost* NewL( CMidiClientUtility& aUtility, TBool aEnable = EFalse );

		/**

        * Factory function for creating the bass boost object.

        * @since 3.0

        * @param CDrmPlayerUtility A reference to a CDrmPlayerUtility object

        * @return pointer to CBassBoost object

        */		

		IMPORT_C static CBassBoost* NewL( CDrmPlayerUtility& aUtility, TBool aEnable = EFalse );

		/**

        * Factory function for creating the bass boost object.

        * @since 3.2

        * @param CVideoPlayerUtility A reference to a CVideoPlayerUtility object

        * @return pointer to CBassBoost object

        */		

		IMPORT_C static CBassBoost* NewL( CVideoPlayerUtility& aUtility, TBool aEnable = EFalse );

		/**

        *

        * Destructor

        */

		IMPORT_C virtual ~CBassBoost();

	public: // functions from base class

		/*

		* From CAudioEffect

        * Get the unique identifier of the audio effect

        * @since 3.0

        * @return Unique identifier

        */

		IMPORT_C TUid Uid() const;

    protected:  // Functions from base classes

		/**

		* From CAudioEffect

		* Create a package of the effect data

        * @since 3.0

        * @return A descriptor containing the effect data.

        */

		IMPORT_C const TDesC8& DoEffectData();

		/**

		* From CAudioEffect

		* Internal function to unpack effect data

        * @since 3.0

        * @param aEffectDataBuffer Descriptor containing packed effect data

        * @return -

        */

        IMPORT_C void SetEffectData( const TDesC8& aEffectDataBuffer );

	protected:

		/**

		* Private C++ constructor for this class.

        * @since	3.0

        * @param	aEffectObserver	reference to event observer object

        * @return	-

        */

		IMPORT_C CBassBoost();

	protected:

		// BassBoost data structure

		TEfBassBoostData iBassBoostData;

		// Data package sent to server

		TEfBassBoostDataPckg iDataPckgTo;

		// Data package received from server

		TEfBassBoostDataPckg iDataPckgFrom;

    protected:    // Friend classes

		friend class CBassBoostMessageHandler;

	};

#endif	// of BASSBOOSTBASE_H

// End of File