/*

 * Copyright (c) 2009 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: Telephony Multimedia Service

 *

 */

#include <AudioPreference.h>

#include <tms.h>

#include <S60FourCC.h>

#include "tmsutility.h"

#include "tmscsdevsound.h"

#include "tmscsdevsoundobserver.h"

using namespace TMS;

// CONSTANTS

const gint KTimeoutInitial = 250000; // 250 ms initial timeout

const gint KTimeoutMultiplier = 2;   // Double the timeout for each retry

const gint KPeriodicTimeoutMax = 2000000; // 2 sec max periodic timeout

const gint KMicroSecMultiply = 1000000;   // 1 sec

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

// TMSCSDevSound

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

//

TMSCSDevSound::TMSCSDevSound(TMSCSDevSoundObserver& observer) :

    iObserver(observer)

    {

    iTimer = NULL;

    iPeriodic = KTimeoutInitial;

    iElapsedTime = 0;

    iInitRetryTime = 0;

    iStartRetryTime = 0;

    }

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

// ConstructL

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

//

void TMSCSDevSound::ConstructL(const TMSStreamType strmtype,

        const gint retrytime)

    {

    TRACE_PRN_FN_ENT;

    iInitRetryTime = retrytime;

    iStreamType = strmtype;

    if (strmtype == TMS_STREAM_UPLINK)

        {

        iMode = EMMFStateRecording;

        iPriority = KAudioPriorityCSCallUplink;

        iPreference = KAudioPrefCSCallUplink;

        }

    else if (strmtype == TMS_STREAM_DOWNLINK)

        {

        iMode = EMMFStatePlaying;

        iPriority = KAudioPriorityCSCallDownlink;

        iPreference = KAudioPrefCSCallDownlink;

        }

    if (iInitRetryTime != 0)

        {

        iTimer = TMSTimer::NewL();

        }

    InitializeL();

    TRACE_PRN_FN_EXT;

    }

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

// InitializeL

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

//

void TMSCSDevSound::InitializeL()

    {

    TRACE_PRN_FN_ENT;

    TMMFPrioritySettings audioPriority;

    TFourCC modemFourCC;

    modemFourCC.Set(KS60FourCCCodeModem);

    delete iDevSound;

    iDevSound = NULL;

    iDevSound = CMMFDevSound::NewL();

    if (iDevSound)

        {

#ifndef __WINSCW__

        iDevSound->InitializeL(*this, modemFourCC, iMode);

#else

        //For testing TMS in WINSCW

        iDevSound->InitializeL(*this, KMMFFourCCCodePCM16, iMode);

#endif

        audioPriority.iPriority = iPriority;

        audioPriority.iPref = iPreference;

        audioPriority.iState = iMode;

        iDevSound->SetPrioritySettings(audioPriority);

        }

    TRACE_PRN_FN_EXT;

    }

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

// From class MDevSoundObserver

// Not implemented

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

//

TMSCSDevSound::~TMSCSDevSound()

    {

    TRACE_PRN_FN_ENT;

    CancelTimer();

    delete iTimer;

    delete iDevSound;

    TRACE_PRN_FN_EXT;

    }

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

// Tries to activate the audio stream if not already active or activating

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

//

void TMSCSDevSound::Activate(const gint retrytime)

    {

    iStartRetryTime = retrytime;

    if (!iActive && !iActivationOngoing)

        {

        iActivationOngoing = ETrue;

        TRAP_IGNORE(DoActivateL());

        }

    }

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

// Deactivates the audio device.

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

//

void TMSCSDevSound::Deactivate(gboolean reset)

    {

    TRACE_PRN_FN_ENT;

    if (reset)

        {

        iPeriodic = KTimeoutInitial;

        }

    CancelTimer();

    if (iDevSound && (iActive || iActivationOngoing))

        {

        iDevSound->Stop();

        iActive = EFalse;

        iActivationOngoing = EFalse;

        }

    TRACE_PRN_FN_EXT;

    }

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

// DevSound

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

//

CMMFDevSound& TMSCSDevSound::DevSound()

    {

    return *iDevSound;

    }

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

// From class MDevSoundObserver

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

//

void TMSCSDevSound::InitializeComplete(TInt aError)

    {

    TRACE_PRN_FN_ENT;

    if (aError != TMS_RESULT_SUCCESS && iInitRetryTime != 0)

        {

        StartTimer();

        }

    else

        {

        iPeriodic = KTimeoutInitial;

        CancelTimer();

        NotifyEvent(aError);

        }

    TRACE_PRN_IF_ERR(aError);

    TRACE_PRN_FN_EXT;

    }

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

// TMSCSDevSound::NotifyEvent

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

//

void TMSCSDevSound::NotifyEvent(gint error)

    {

    if (iStreamType == TMS_STREAM_DOWNLINK)

        {

        iObserver.DownlinkInitCompleted(error);

        }

    else if (iStreamType == TMS_STREAM_UPLINK)

        {

        iObserver.UplinkInitCompleted(error);

        }

    }

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

// TMSCSDevSound::CancelTimer

// Resets timer

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

//

void TMSCSDevSound::CancelTimer()

    {

    iInitRetryTime = 0;

    iStartRetryTime = 0;

    iElapsedTime = 0;

    if (iTimer)

        {

        if (iTimer->IsRunning())

            {

            iTimer->CancelNotify();

            }

        }

    }

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

// TMSCSDevSound::StartTimer

// Activates timer

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

//

void TMSCSDevSound::StartTimer()

    {

    if (iTimer && (iInitRetryTime != 0 || iStartRetryTime != 0))

        {

        iTimer->NotifyAfter(iPeriodic, *this);

        }

    }

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

// From TMSTimerObserver

// Notification upon TMSTimer timeout.

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

//

void TMSCSDevSound::TimerEvent()

    {

    if (iPeriodic < KPeriodicTimeoutMax)

        {

        iPeriodic *= KTimeoutMultiplier;

        }

    iElapsedTime += iPeriodic;

    if (!iActivationOngoing) //Initializing

        {

        if (iElapsedTime >= (iInitRetryTime * KMicroSecMultiply))

            {

            iInitRetryTime = 0; //timer will not start again

            }

        TRAPD(status, InitializeL());

        if (status != TMS_RESULT_SUCCESS)

            {

            NotifyEvent(status);

            }

        }

    else //Activating

        {

        if (iElapsedTime >= (iStartRetryTime * KMicroSecMultiply))

            {

            iStartRetryTime = 0; //timer will not start again

            }

        Deactivate(FALSE);

        Activate(iStartRetryTime);

        }

    }

//  End of File