/*

 * 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 orientation effect class.

 *

 */

 #ifndef CLISTENERORIENTATION_H

 #define CLISTENERORIENTATION_H

 // INCLUDES

 #include <e32base.h>

 #include <OrientationBase.h>

 #include <MCustomInterface.h>

 const TUid KUidListenerOrientationEffect = {0x1020382E};

 // 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 orientation effect class for managing audio orientation settings.

 *

 *  @lib ListenerOrientationEffect.lib

 *  @since 3.0

 */

 class CListenerOrientation : public COrientation

     {

     public:     // Constructors and Destructor

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aUtility A reference to a convert utility

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMdaAudioConvertUtility& aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

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

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMdaAudioInputStream& aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

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

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMdaAudioOutputStream& aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aUtility A reference to an audio player utility

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMdaAudioPlayerUtility& aUtility );

         /**

         * Factory function for creating the listener orientation 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 CListenerOrientation object

         */

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

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aUtility A reference to an audio tone utility

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMdaAudioToneUtility& aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aDevSound A reference to a DevSound instance

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMMFDevSound& aDevSound );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aUtility A reference to a custom command utility

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CCustomCommandUtility* aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aCustomInterface A reference to a custom interface

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( MCustomInterface& aCustomInterface );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param aUtility A reference to a CMidiClientUtility

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CMidiClientUtility& aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.0

         * @param CDrmPlayerUtility A reference to a CDrmPlayerUtility object

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CDrmPlayerUtility& aUtility );

         /**

         * Factory function for creating the listener orientation object.

         * @since 3.2

         * @param CVideoPlayerUtility A reference to a CVideoPlayerUtility object

         * @return pointer to CListenerOrientation object

         */

         IMPORT_C static CListenerOrientation* NewL( CVideoPlayerUtility& aUtility );

         /**

         *

         * Destructor

         */

         IMPORT_C virtual ~CListenerOrientation();

     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 CListenerOrientation();

     protected:    // Friend classes

         friend class CListenerOrientationMessageHandler;

     };

 #endif  // of CLISTENERORIENTATION_H

 // End of File