/*

* 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 audio equalizer utility class.

*

*/

#ifndef CAUDIOEQUALIZERUTILITY_H

#define CAUDIOEQUALIZERUTILITY_H

//  INCLUDES

#include <e32base.h>

#include <e32svr.h>

#include <AudioEqualizerBase.h>

#include <BassBoostBase.h>

#include <centralrepository.h>

#include <AudioEqualizerUtilityData.h>

// FORWARD DECLARATIONS

class TEfAudioEqualizerUtilityPreset;

class CAudioEqualizer;

class CBassBoost;

class CMdaAudioConvertUtility;

class CMdaAudioPlayerUtility;

class CMdaAudioRecorderUtility;

class CMdaAudioInputStream;

class CMdaAudioOutputStream;

class CMdaAudioToneUtility;

class CCustomCommandUtility;

class CCustomInterfaceUtility;

class CMMFDevSound;

class CRepository;

class CMidiClientUtility;

class CDrmPlayerUtility;

class CVideoPlayerUtility;

// CLASS DECLARATION

/**

*  This is the Equalizer Utility class for managing audio equalizer presets.

*

*  @lib AudioEqualizerUtility.lib

*  @since 3.0

*/

class CAudioEqualizerUtility : public CBase

    {

    public:  // Constructors and destructor

        /**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to a Devsound Instance

		* @return pointer to CAudioEqualizerUtility object

        */

        IMPORT_C static CAudioEqualizerUtility* NewL(CMMFDevSound& aDevSound);

		/**

        * Factory function for creating the audio equalizer utility object.

        * @since 3.0

        * @param aUtility A reference to a convert utility

        * @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMdaAudioConvertUtility& aUtility);

		/**

        * Factory function for creating the audio equalizer utility object.

        * @since 3.0

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

        * @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMdaAudioInputStream& aUtility);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

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

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMdaAudioOutputStream& aUtility);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to a audio player utility

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMdaAudioPlayerUtility& aUtility);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to a audio recorder utility

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMdaAudioRecorderUtility& aUtility);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to a audio tone utility

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMdaAudioToneUtility& aUtility);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to custom command utility

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CCustomCommandUtility* aUtility);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to custom interface utility

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(MCustomInterface& aCustomInterface);

		/**

		* Factory function for creating the audio equalizer utility object.

		* @since 3.0

		* @param aUtility A reference to CMidiClientUtility

		* @return pointer to CAudioEqualizerUtility object

        */

		IMPORT_C static CAudioEqualizerUtility* NewL(CMidiClientUtility& aUtility);

		/**

        * Factory function for creating the audio equalizer object.

        * @since 3.0

        * @param CDrmPlayerUtility A reference to a CDrmPlayerUtility object

        * @return pointer to CAudioEqualizer object

        */		

		IMPORT_C static CAudioEqualizerUtility* NewL( CDrmPlayerUtility& aUtility );

		/**

        * Factory function for creating the audio equalizer object.

        * @since 3.2

        * @param CVideoPlayerUtility A reference to a CVideoPlayerUtility object

        * @return pointer to CAudioEqualizer object

        */		

		IMPORT_C static CAudioEqualizerUtility* NewL( CVideoPlayerUtility& aUtility );

		 /**

        * Destructor.

        */

        virtual ~CAudioEqualizerUtility();

		/**

        * Apply the Preset Index value

        * @since 3.0

        * @param aPreset Preset Value

        */

		IMPORT_C void ApplyPresetL(TInt aPreset);

		/**

        * Disable the Equalizer

        * @since 3.0

        */

		IMPORT_C void DisableEqualizerL();

		/**

        * Create a Preset with the given Name and Equalizer Settings

        * @since 3.0

        * @param aName Name of the Preset

        * @param aAudioEqualizer Equalizer Settings for the Preset

        */

		IMPORT_C void CreatePresetL(TDesC& aName, CAudioEqualizer& aAudioEqualizerUI);

		/**

        * Delete a Preset with the given index in the Central Repository

        * @since 3.0

        * @param aPresetIndex Index of the Preset in the Array

        */

		IMPORT_C void DeletePresetL(TInt aPresetIndex);

		/**

        * Retrieves a Preset with the given index from the Central Repository

        * @since 3.0

        * @param aPresetIndex Index of the Preset in the Array

        */

		IMPORT_C  const TDesC& GetPresetL(TInt aPresetIndex);

		/**

        * Get the reference to the Equalizer Object

        * @since 3.0

        * @return Reference to the Equalizer Object.

        */

		IMPORT_C CAudioEqualizer& Equalizer();

		/**

		* Get the reference to the BassBoost Object

		* @since 3.0

		* @return Reference to the CBassBoost Object.

		*/

		IMPORT_C CBassBoost& BassBoost();

		/**

        * Modify a Preset with the given Name and Equalizer Settings

        * @since 3.0

        * @param aPresetIndex Array Index of the Preset

        * @param aName Name of the Preset

        * @param aAudioEqualizer Equalizer Settings for the Preset

        */

		IMPORT_C void ModifyPresetL(TInt aPresetIndex, TDesC& aName, CAudioEqualizer& aAudioEqualizerUI);

		/**

        * Get the number of Pre Defined Presets

        * @since 3.0

        * @return Number of Pre Defined Presets

        */

		IMPORT_C TUint32 NumberOfPreDefinedPresets() const;

		/**

        * Get all the Presets defined in the Central Repository

        * @since 3.0

        * @return Array of all Presets.

        */

		IMPORT_C TArray<TEfAudioEqualizerUtilityPreset> Presets();

		/**

		 * Reset a System Defined Preset with the given index in the Array returned from Presets()

		 * @since 3.0

		 * @param aPresetIndex Index of the Preset in the Array

		 */

		IMPORT_C void ResetPresetL(TInt aPresetIndex);

    private:

        /**

        * C++ default constructor.

        */

        CAudioEqualizerUtility();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        /**

		* Second Phase Costructor for DevSound Instance

		* @since 3.0

		* @param aDevSound DevSound Referece

		*/

        void ConstructL(CMMFDevSound& aDevSound);

		/**

		* Second Phase Costructor for Audio Convert Utility

		* @since 3.0

		* @param aUtility CMdaAudioConvertUtility Referece

		*/

		void ConstructL(CMdaAudioConvertUtility& aUtility);

		/**

		* Second Phase Costructor for CMdaAudioInputStream

		* @since 3.0

		* @param aUtility CMdaAudioInputStream Referece

		*/

		void ConstructL(CMdaAudioInputStream& aUtility);

		/**

		* Second Phase Costructor for CMdaAudioOutputStream

		* @since 3.0

		* @param aUtilityCMdaAudioOutputStream Referece

		*/

		void ConstructL(CMdaAudioOutputStream& aUtility);

		/**

		* Second Phase Costructor for CMdaAudioPlayerUtility

		* @since 3.0

		* @param aUtility CMdaAudioPlayerUtility Referece

		*/

		void ConstructL(CMdaAudioPlayerUtility& aUtility);

		/**

		* Second Phase Costructor for CMdaAudioRecordUtility

		* @since 3.0

		* @param aUtility CMdaAudioRecordUtility Referece

		*/

		void ConstructL(CMdaAudioRecorderUtility& aUtility);

		/**

		* Second Phase Costructor for CMdaAudioToneUtility

		* @since 3.0

		* @param aUtility CMdaAudioToneUtility Referece

		*/

		void ConstructL(CMdaAudioToneUtility& aUtility);

		/**

		* Second Phase Costructor for MCustomCommand

		* @since 3.0

		* @param aUtility MCustomCommand Referece

		*/

		void ConstructL(CCustomCommandUtility* aUtility);

		/**

		* Second Phase Costructor for MCustomInterface

		* @since 3.0

		* @param aUtility MCustomInterface Referece

		*/

		void ConstructL(MCustomInterface& aCustomInterface);

		/**

		* Second Phase Costructor for CMidiClientUtility

		* @since 3.0

		* @param aUtility CMidiClientUtility Referece

		*/

		void ConstructL(CMidiClientUtility& aUtility);

		/**

		* Second Phase Costructor for CDrmPlayerUtility

		* @since 3.0

		* @param aUtility CDrmPlayerUtility Referece

		*/

		void ConstructL(CDrmPlayerUtility& aUtility);		

		/**

		* Second Phase Costructor for CVideoPlayerUtility

		* @since 3.2

		* @param aUtility CVideoPlayerUtility Referece

		*/

		void ConstructL(CVideoPlayerUtility& aUtility);		

		/**

		* Function for Updating the Array from the Central Repository

		* @since 3.0

		* @param aUtility MCustomInterface Referece

		*/

		void UpdateFullPresetArrayFromCenRep(RArray<TEfAudioEqualizerUtilityPreset> &aFullPresetArray);

		/**

		* Function of Updating the Preset Array for the User

		* @since 3.0

		* @param aUtility MCustomInterface Referece

		*/

		void UpdatePresetArray(RArray<TEfAudioEqualizerUtilityPreset>& aPresetArray,const RArray<TEfAudioEqualizerUtilityPreset> &aFullPresetArray);

	private: // Data

		// Array for Storing the Current State of the Repository

		// which has been compacted after the transaction

		// with the Central Repository

		RArray<TEfAudioEqualizerUtilityPreset> iPresetArray;

		// Array Which contains the full information from the

		// Central Repository except the Description Values

		RArray<TEfAudioEqualizerUtilityPreset> iFullPresetArray;

		// Pointer to the Equalizer Object

		CAudioEqualizer* iAudioEqualizer;

		// Pointer to the Equalizer Object

		// which is returned to the UI for Manipulation

		CAudioEqualizer* iTransAudioEqualizer;

		// Pointer to the Bass Boost Ojbect

		CBassBoost* iBassBoost;

		// Pointer to the Preset Repository

		CRepository* iPresetRepository;

   };

#endif      // CAUDIOEQUALIZERUTILITY_H

// End of File