/*

* Copyright (c) 2005-2007 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:  Group for effect controls

*

*/

// INCLUDE FILES

#include <jdebug.h>

#include "cammsemcaudiovirtualizerenvironmentalpresetutility.h"

const TInt KAMMSEMCPresetGranularity = 5;

// ============================ MEMBER FUNCTIONS ===============================

// Constructors

CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility()

{

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility:: constructor");

}

// Destructor

CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::~CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility()

{

    delete iPresetNames;

    if (iEmptyStereoWideningUtility)

    {

        delete iEmptyStereoWideningUtility;

        iEmptyStereoWideningUtility = NULL;

    }

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::~ ");

}

// -----------------------------------------------------------------------------

// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL

// Gets the current preset.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL(TDes& aPreset ,TInt iIndex)

{

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL +");

    // Return KNullDesC if no preset is set.

    if (iIndex >= 0)

    {

        TArray< TEfStereoWideningUtilityPreset > presetNames =

            iEmptyStereoWideningUtility->Presets();

        aPreset = presetNames[ iIndex ].iPresetName ;

    }

    else

    {

        aPreset = KNullDesC;

    }

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetAtIndexL -");

}

// -----------------------------------------------------------------------------

// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL

// Creates utilities that can be used to obtain preset names and preset data.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL()

{

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL +");

    //Calling base class function to create and initialize the CMMFDevSound

    CreateAndInitializeDevSoundL();

    if (!iEmptyStereoWideningUtility)

    {

        iEmptyStereoWideningUtility =

            CStereoWideningUtility::NewL(*iMMFDevSound);

    }

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::PrepareEmptyStereoWideningUtilitiesL -");

}

// -----------------------------------------------------------------------------

// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities

// Deletes utilities that are used to obtain preset names and preset data.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities()

{

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities +");

    if (iEmptyStereoWideningUtility)

    {

        delete iEmptyStereoWideningUtility;

        iEmptyStereoWideningUtility = NULL;

    }

    //Calling base class function to delete CMMFDevSound object to free memory

    DeleteDevSound();

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::DeleteEmptyStereoWideningUtilities -");

}

// -----------------------------------------------------------------------------

// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL

// Gets list of preset names available.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL(

    CDesCArray& aPresetNames)

{

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL +");

    TArray< TEfStereoWideningUtilityPreset > presetNames =

        iEmptyStereoWideningUtility->Presets();

    TInt presetCount = presetNames.Count();

    for (TInt i = 0; i < presetCount; i++)

    {

        aPresetNames.AppendL(presetNames[ i ].iPresetName);

    }

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetPresetNamesL -");

}

// -----------------------------------------------------------------------------

// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetEnvironmentalStereoWideningAtPresetIndexL

// Gets list of preset names available.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

CStereoWidening * CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetStereoWideningAtPresetIndexL(TInt iIndex)

{

    DEBUG_INT("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::GetStereoWideningAtPresetIndexL, index=%d",

              iIndex);

    __ASSERT_DEBUG(iIndex >= 0, User::Invariant());

    // Set the preset to the empty Environmental Reverb utility.

    iEmptyStereoWideningUtility->GetPresetL(iIndex);

    return &(iEmptyStereoWideningUtility->StereoWidening());

}

// -----------------------------------------------------------------------------

// CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL

// Symbian 2nd phase constructor can leave.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL()

{

    iPresetNames = new(ELeave)CDesCArrayFlat(KAMMSEMCPresetGranularity);

    CAMMSEMCBaseMMFDevSound ::ConstructL();

    DEBUG("AMMS::CAMMSEMCAudioVirtualizerEnvironmentalPresetUtility::ConstructL");

}

//  End of File