/* 

 *

 * Copyright (c) <2010> Comarch S.A. and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Original Contributors:

 * Comarch S.A. - original contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#include "hspremoteaudiovolumecontrol.h"

#include "hspcommand.h"

#include "hspsettings.h"

#include "debug.h"

CHsHSPRemoteAudioVolumeControl* CHsHSPRemoteAudioVolumeControl::NewL(

        MHsHSPFeatureProviderObserver* aObserver )

    {

    CHsHSPRemoteAudioVolumeControl* self =

            CHsHSPRemoteAudioVolumeControl::NewLC( aObserver );

    CleanupStack::Pop( self );

    return self;

    }

CHsHSPRemoteAudioVolumeControl* CHsHSPRemoteAudioVolumeControl::NewLC(

        MHsHSPFeatureProviderObserver* aObserver )

    {

    CHsHSPRemoteAudioVolumeControl* self =

            new ( ELeave ) CHsHSPRemoteAudioVolumeControl( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

CHsHSPRemoteAudioVolumeControl::~CHsHSPRemoteAudioVolumeControl()

    {

    if ( iSettings )

        {

        iSettings->Release();

        }

    }

void CHsHSPRemoteAudioVolumeControl::Reset()

    {

    TRACE_FUNC_ENTRY

    iWaitingForVgmOK = EFalse;

    iWaitingForVgsOK = EFalse;

    TRACE_FUNC_EXIT

    }

TInt CHsHSPRemoteAudioVolumeControl::ProcessCommand(

        const CHsHSPCommand* aInputCmd, CHsHSPCommand &aOutputCmd )

    {

    TRACE_FUNC_ENTRY

    TInt res = KErrNone;

    if ( aInputCmd -> FromAG() )

        {

        if ( aInputCmd -> Type() == EHSPCmdVGS )

            {

            TRAP( res, SetVolumeLevelL(aInputCmd));

            TRACE_INFO(_L("Speaker volume changed : AG initiated"))

            InformObserver( res );

            }

        else if ( aInputCmd -> Type() == EHSPCmdVGM )

            {

            TRAP( res, SetMicGainLevelL(aInputCmd));

            TRACE_INFO(_L("Mic gain changed : AG initiated"))

            InformObserver( res );

            }

        else if ( aInputCmd -> Type() == EHSPCmdOK )

            {

            if ( iWaitingForVgmOK )

                {

                TRACE_INFO(_L("Mic gain changed"))

                InformObserver( res );

                }

            else if ( iWaitingForVgsOK )

                {

                TRACE_INFO(_L("Speaker volume changed"))

                InformObserver( res );

                }

            else

                res = KErrArgument;

            }

        else

            {

            res = KErrArgument;

            }

        }

    else

        {

        if ( aInputCmd-> Type() == EHSPCmdVGS )

            {

            iWaitingForVgsOK = ETrue;

            iWaitingForVgmOK = EFalse;

            TRAP( res, SetVolumeLevelL(aInputCmd);

                    CHsHSPCommand ::CopyL( aInputCmd, aOutputCmd ) );

            }

        else if ( aInputCmd->Type() == EHSPCmdVGM )

            {

            iWaitingForVgmOK = ETrue;

            iWaitingForVgsOK = EFalse;

            TRAP( res, SetMicGainLevelL(aInputCmd);

                    CHsHSPCommand::CopyL( aInputCmd, aOutputCmd ) );

            }

        else

            {

            res = KErrArgument;

            }

        }

    TRACE_FUNC_EXIT

    return res;

    }

CHsHSPRemoteAudioVolumeControl::CHsHSPRemoteAudioVolumeControl(

        MHsHSPFeatureProviderObserver* aObserver ) :

    iObserver( aObserver )

    {

    }

void CHsHSPRemoteAudioVolumeControl::ConstructL()

    {

    iSettings = CHsHSPSettings::InstanceL();

    }

void CHsHSPRemoteAudioVolumeControl::InformObserver( TInt aErr )

    {

    __ASSERT_ALWAYS(iObserver, User::Panic(_L("Observer missing"),KErrGeneral));

    iObserver ->HandleProcedureCompleted( aErr, iHSPProc );

    }

void CHsHSPRemoteAudioVolumeControl::SetVolumeLevelL( 

        const CHsHSPCommand* aCmd )

    {

    TRACE_FUNC_ENTRY

    CheckParamsL( aCmd );

    iSettings->SetSpeakerVolumeLevel( aCmd->Params()[0].IntL() );

    TRACE_FUNC_EXIT

    }

void CHsHSPRemoteAudioVolumeControl::SetMicGainLevelL(

        const CHsHSPCommand* aCmd )

    {

    TRACE_FUNC_ENTRY

    CheckParamsL( aCmd );

    iSettings->SetMicGainLevel( aCmd->Params()[0].IntL() );

    TRACE_FUNC_EXIT

    }

void CHsHSPRemoteAudioVolumeControl::CheckParamsL( const CHsHSPCommand* aCmd )

    {

    TRACE_FUNC_ENTRY

    TInt params = 1;

    if ( params != aCmd -> Params().Count() )

        User::Leave( KErrArgument );

    TRACE_FUNC_EXIT

    }