/*

 * 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 "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:  This is the definition of the Listener Doppler effect class.

 *

 */

 #ifndef CLISTENERDOPPLER_H

 #define CLISTENERDOPPLER_H

 // INCLUDES

 #include <e32base.h>

 #include <DopplerBase.h>

 #include <MCustomInterface.h>

 const TUid KUidListenerDopplerEffect = {0x10207B16};

 // 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 Listener Doppler effect class for managing Listener Doppler settings.

 *

 *  @lib ListenerDopplerEffect.lib

 *  @since 3.0

 */

 class CListenerDoppler : public CDoppler

     {

     public:     // Constructors and Destructor

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aUtility A reference to a convert utility

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMdaAudioConvertUtility& aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

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

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMdaAudioInputStream& aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

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

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMdaAudioOutputStream& aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aUtility A reference to an audio player utility

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMdaAudioPlayerUtility& aUtility );

         /**

         * Factory function for creating the listener Doppler 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

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMdaAudioRecorderUtility& aUtility, TBool aRecordStream );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aUtility A reference to an audio tone utility

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMdaAudioToneUtility& aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aDevSound A reference to a DevSound instance

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMMFDevSound& aDevSound );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aUtility A reference to a custom command utility

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CCustomCommandUtility* aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aCustomInterface A reference to a custom interface

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( MCustomInterface& aCustomInterface );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param aUtility A reference to a CMidiClientUtility Object

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CMidiClientUtility& aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.0

         * @param CDrmPlayerUtility A reference to a CDrmPlayerUtility object

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CDrmPlayerUtility& aUtility );

         /**

         * Factory function for creating the listener Doppler object.

         * @since 3.2

         * @param CVideoPlayerUtility A reference to a CVideoPlayerUtility object

         * @return pointer to CListenerDoppler object

         */

         IMPORT_C static CListenerDoppler* NewL( CVideoPlayerUtility& aUtility );

         /**

         *

         * Destructor

         */

         IMPORT_C virtual ~CListenerDoppler();

     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:

         /**

         * Private C++ constructor for this class.

         * @since    3.0

         * @param    aEffectObserver reference to event observer object

         * @return   -

         */

         IMPORT_C CListenerDoppler();

     protected:    // Friend classes

         friend class CListenerDopplerMessageHandler;

     };

 #endif  // of CLISTENERDOPPLER_H

 // End of File