/*

* Copyright (c) 2005 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:  Manipulates the doppler effect of the spectator.

*

*/

// INCLUDE FILES

#include <jdebug.h>

#include <e32math.h>

#include "cammsemcspectatordopplercontrol.h"

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

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

// CAMMSEMCSpectatorDopplerControl::NewLC

// Two-phased constructor.

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

CAMMSEMCSpectatorDopplerControl* CAMMSEMCSpectatorDopplerControl::NewLC(

    CMMAPlayer* aPlayer)

{

    CAMMSEMCSpectatorDopplerControl* self =

        new(ELeave)CAMMSEMCSpectatorDopplerControl(aPlayer);

    CleanupStack::PushL(self);

    return self;

}

// Destructor

CAMMSEMCSpectatorDopplerControl::~CAMMSEMCSpectatorDopplerControl()

{

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

    // Perform DeallocateControl, if the state change has not yet performed it.

    DeallocateControl();

}

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

// CAMMSEMCSpectatorDopplerControl::PrepareControlL

// Function which is called after the correct state is set in Player.

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

//

void CAMMSEMCSpectatorDopplerControl::PrepareControlL()

{

    // Perform the action only for the first time, skip if called afterwards

    if (!iMListenerDopplerControl)

    {

        DEBUG("AMMS::CAMMSEMCSpectatorDopplerControl::PrepareControlL");

        iStreamControl = (static_cast<CMMAEMCAudioPlayer*>(iMMAPlayer))->StreamControl();

        iFactory = (static_cast<CMMAEMCAudioPlayer*>(iMMAPlayer))->MMFactory();

        MEffectControl* temp(NULL);

        User::LeaveIfError(iFactory->CreateEffectControl(KListenerDopplerEffectControl, temp));

        iMListenerDopplerControl  = static_cast<MListenerDopplerControl*>(temp);

        User::LeaveIfError(iStreamControl->AddEffect(*iMListenerDopplerControl));

        TInt err = iMListenerDopplerControl->Enable();

        DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::PrepareControlL: EnableErr = %d", err);

    }

}

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

// CAMMSEMCSpectatorDopplerControl::DeallocateControl

// Function which is called after the correct state is set in Player.

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

//

void CAMMSEMCSpectatorDopplerControl::DeallocateControl()

{

    if (iMListenerDopplerControl)

    {

        DEBUG("AMMS::CAMMSEMCSpectatorDopplerControl::DeallocateControl");

        // Doppler for Spectator is always enabled (JSR-234 mandates it)

        // so the disabling is needed here

        iMListenerDopplerControl->Disable();

        //return the control to factory

        MEffectControl* temp = iMListenerDopplerControl;

        iStreamControl->RemoveEffect(*temp);

        // Delete the Effect

        MEffectControl* tempCtrl = iMListenerDopplerControl;

        iFactory->DeleteEffectControl(tempCtrl);

        iMListenerDopplerControl = NULL;

    }

}

const TDesC& CAMMSEMCSpectatorDopplerControl::ClassName() const

{

    return KAMMSEMCListenerDopplerControl;

}

void CAMMSEMCSpectatorDopplerControl::SetEnabledL(TBool aDopplerEnabled)

{

    if (aDopplerEnabled)

    {

        TInt err = iMListenerDopplerControl->Enable();

        DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::SetEnabledL: Enable err = %d", err);

    }

    else

    {

        TInt err = iMListenerDopplerControl->Disable();

        DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::SetEnabledL: Disable err = %d", err);

    }

}

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

// CAMMSEMCSpectatorDopplerControl::Enabled

// Returns whether this Doppler effect is currently active.

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

//

TBool CAMMSEMCSpectatorDopplerControl::Enabled()

{

    TBool temp;

    TInt err = iMListenerDopplerControl->IsEnabled(temp);

    DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::Enabled: err = %d", err);

    return temp;

}

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

// CAMMSEMCSpectatorDopplerControl::SetVelocityCartesianL

// Sets the velocity, used in calculations for the Doppler effect.

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

//

void CAMMSEMCSpectatorDopplerControl::SetVelocityCartesianL(

    TInt aX,

    TInt aY,

    TInt aZ)

{

    DEBUG_INT3("AMMS::CAMMSEMCSpectatorDopplerControl::SetVelocityCartesianL: X=%d, Y=%d, Z=%d",

               aX, aY, aZ);

    TInt err = iMListenerDopplerControl->SetCartesianVelocity(aX, aY, aZ);

    DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::SetVelocityCartesianL: err = %d", err);

    // Apply updated settings

    iMListenerDopplerControl->Apply();

}

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

// CAMMSEMCSpectatorDopplerControl::VelocityCartesian

// Returns the current velocity, used in calculations for the Doppler effect.

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

//

void CAMMSEMCSpectatorDopplerControl::VelocityCartesian(

    TInt& aX, TInt& aY, TInt& aZ)

{

    // Get the velocity's cartesian settings

    // aX, aY and aZ are velocities in format mm/s

    TInt err = iMListenerDopplerControl->CartesianVelocity(aX,aY,aZ);

    DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::VelocityCartesian: err = %d", err);

}

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

// CAMMSEMCSpectatorDopplerControl::SetVelocitySphericalL

// Sets the velocity, used in calculations for the Doppler effect.

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

//

void CAMMSEMCSpectatorDopplerControl::SetVelocitySphericalL(

    TInt aAzimuth,

    TInt aElevation,

    TInt aRadius)

{

    // Parameters are thousandths of radians

    DEBUG_INT3("AMMS::CAMMSEMCSpectatorDopplerControl::SetVelocitySphericalL %d, %d, %d",

               aAzimuth, aElevation, aRadius);

    TInt32 convertedAzimuth = (TInt32)(aAzimuth * KDegToRad *

                                       1000);   // CSI: 47 Effect API uses thousands of radians #

    TInt32 convertedElevation = (TInt32)(aElevation * KDegToRad *

                                         1000);   // CSI: 47 Effect API uses thousands of radians #

    DEBUG_INT2("AMMS::CAMMSEMCSpectatorDopplerControl::SetVelocitySphericalL %d, %d",

               convertedAzimuth, convertedElevation);

    TInt err = iMListenerDopplerControl->SetSphericalVelocity(

                   convertedAzimuth, convertedElevation, aRadius);

    DEBUG_INT("AMMS::CAMMSEMCSpectatorDopplerControl::SetVelocitySphericalL: err = %d", err);

    // Apply updated settings to EMC API.

    iMListenerDopplerControl->Apply();

}

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

// CAMMSEMCSpectatorDopplerControl::CAMMSEMCSpectatorDopplerControl

// C++ default constructor can NOT contain any code, that

// might leave.

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

CAMMSEMCSpectatorDopplerControl::CAMMSEMCSpectatorDopplerControl(

    CMMAPlayer* aPlayer)

        : CAMMSDopplerControl(aPlayer)

{

    iMMAPlayer = aPlayer;

}

//  End of File