/*

 * 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 "tmsutility.h"

#include "tmsclientserver.h"

#include "tmsshared.h"

#include "tmsserversession.h"

using namespace TMS;

const TUint KArrayExpandSize = 8;

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

// TMSServerSession::NewL

// Symbian constructor.

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

//

TMSServerSession* TMSServerSession::NewL(TMSServer &aServer)

    {

    TMSServerSession* self = new (ELeave) TMSServerSession(aServer);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// TMSServerSession::~TMSServerSession

// The destructor

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

//

TMSServerSession::~TMSServerSession()

    {

    TRACE_PRN_FN_ENT;

    iServer.DropSession(); // will start shutdown if no more sessions left

    delete iDevSound;

    if (iMsgQueue.Handle() > 0)

        {

        iMsgQueue.Close();

        }

    if (iTMSCallSessionHandle.Handle() > 0)

        {

        iTMSCallSessionHandle.Close();

        }

    // Release memory and close handles to unused plug-ins held by the DevSound

    REComSession::FinalClose();

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::ConstructL

// 2-nd phase constructor.

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

//

void TMSServerSession::ConstructL()

    {

    TRACE_PRN_FN_ENT;

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::TMSServerSession

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

//

TMSServerSession::TMSServerSession(TMSServer &aServer) :

    iServer(aServer)

    {

    TRACE_PRN_FN_ENT;

    iServer.AddSession();

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::ServiceL

// Service request handler.

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

//

void TMSServerSession::ServiceL(const RMessage2& aMessage)

    {

    TRAPD(err, DispatchMessageL(aMessage));

    if (err != KErrNone)

        {

        aMessage.Complete(err);

        }

    }

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

// TMSServerSession::DispatchMessageL

// Service request handler.

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

//

void TMSServerSession::DispatchMessageL(const RMessage2& aMessage)

    {

    switch (aMessage.Function())

        {

        case ETMSCallSessionHandle:

            GetTMSCallSessionHandleL(aMessage);

            break;

        case ETMSGetSupportedEncodersCount:

            GetCodecsCountL(aMessage, TMS_STREAM_UPLINK);

            break;

        case ETMSGetSupportedDecodersCount:

            GetCodecsCountL(aMessage, TMS_STREAM_DOWNLINK);

            break;

        case ETMSGetSupportedEncoders:

            GetSupportedCodecsL(aMessage, TMS_STREAM_UPLINK);

            break;

        case ETMSGetSupportedDecoders:

            GetSupportedCodecsL(aMessage, TMS_STREAM_DOWNLINK);

            break;

        case ETMSSetOutput:

            SetOutput(aMessage);

            break;

        case ETMSGetOutput:

            iServer.GetOutput(aMessage);

            break;

        case ETMSGetPreviousOutput:

            iServer.GetPreviousOutput(aMessage);

            break;

        case ETMSGetAvailableOutputs:

            iServer.GetAvailableOutputs(aMessage);

            break;

        case ETMSStartRoutingNotifier:

            iServer.StartRoutingNotifierL();

            aMessage.Complete(KErrNone);

            break;

        case ETMSCancelRoutingNotifier:

            iServer.CancelRoutingNotifier();

            aMessage.Complete(KErrNone);

            break;

        case ETMSStartGlobalEffectNotifier:

            iServer.StartCenRepHandlerL();

            aMessage.Complete(KErrNone);

            break;

        case ETMSCancelGlobalEffectNotifier:

            iServer.CancelCenRepHandler();

            aMessage.Complete(KErrNone);

            break;

        case ETMSSetMsgQueueHandle:

            SetMessageQueueHandleL(aMessage);

            break;

        case ETMSSetGlobalVol:

            SetVolLevel(aMessage);

            break;

        case ETMSGetGlobalVol:

            iServer.GetLevel(aMessage);

            break;

        case ETMSGetMaxGlobalVol:

            iServer.GetMaxLevel(aMessage);

            break;

        case ETMSSetGlobalGain:

            SetMicGain(aMessage);

            break;

        case ETMSGetGlobalGain:

            iServer.GetGain(aMessage);

            break;

        case ETMSGetMaxGlobalGain:

            iServer.GetMaxGain(aMessage);

            break;

        default:

            User::Leave(KErrNotSupported);

            break;

        }

    }

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

// TMSServerSession::SetMessageQueueHandleL

//

// Open message queue for handling server notifications back to the client.

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

//

void TMSServerSession::SetMessageQueueHandleL(const RMessage2& aMessage)

    {

    gint status = KErrNone;

    if (iMsgQueue.Handle() <= 0)

        {

        status = iMsgQueue.Open(aMessage, 0);

        }

    if (status != KErrNone)

        {

        User::Leave(KErrArgument);

        }

    aMessage.Complete(KErrNone);

    }

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

// TMSServerSession::SetVolLevel

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

//

void TMSServerSession::SetVolLevel(const RMessage2& aMessage)

    {

    TInt level = aMessage.Int0();

    iServer.SetLevel(this, TRUE, level);

    aMessage.Complete(KErrNone);

    }

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

// TMSServerSession::SetMicGain

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

//

void TMSServerSession::SetMicGain(const RMessage2& aMessage)

    {

    TInt gain = aMessage.Int0();

    iServer.SetGain(this, gain);

    aMessage.Complete(KErrNone);

    }

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

// TMSServerSession::HandleGlobalEffectChange

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

//

void TMSServerSession::HandleGlobalEffectChange(TInt globalevent)

    {

    TRACE_PRN_FN_ENT;

    iMsgBuffer.iRequest = ECmdGlobalEffectChange;

    iMsgBuffer.iStatus = KErrNone;

    iMsgBuffer.iInt = globalevent;

    NotifyClient();

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::HandleRoutingChange

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

//

void TMSServerSession::HandleRoutingChange(TRoutingMsgBufPckg routinginfo)

    {

    TRACE_PRN_FN_ENT;

    iMsgBuffer.iRequest = ECmdGlobalRoutingChange;

    iMsgBuffer.iStatus = KErrNone;

    iMsgBuffer.iInt = routinginfo().iEvent;

    iMsgBuffer.iUint = routinginfo().iOutput;

    NotifyClient();

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::GetTMSCallSessionHandleL

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

//

void TMSServerSession::GetTMSCallSessionHandleL(const RMessage2& aMessage)

    {

    TRACE_PRN_FN_ENT;

    if (iTMSCallSessionHandle.Handle() == 0)

        {

        iServer.GetNewTMSCallSessionHandleL(iTMSCallSessionHandle);

        }

    aMessage.Complete(iTMSCallSessionHandle);

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::GetCodecsCountL

//

// Note: Currently, no data persists as a new session is created each time

//       before calling this method.

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

//

void TMSServerSession::GetCodecsCountL(const RMessage2& aMessage,

        TMSStreamType strmType)

    {

    TInt err = KErrNone;

    TInt codecsCount = 0;

    RArray<TFourCC>* codecs;

    iServer.GetSupportedCodecs(strmType, codecs);

    if (codecs)

        {

        codecsCount = codecs->Count();

        }

    if (codecsCount <= 0)

        {

        delete iDevSound;

        iDevSound = NULL;

        iDevSound = CMMFDevSound::NewL();

        if (iDevSound)

            {

            codecs->Reset();

            TMMFPrioritySettings priority;

            if (strmType == TMS_STREAM_UPLINK)

                {

                iDevSound->GetSupportedInputDataTypesL(*codecs, priority);

                }

            else if (strmType == TMS_STREAM_DOWNLINK)

                {

                iDevSound->GetSupportedOutputDataTypesL(*codecs, priority);

                }

            else

                {

                err = KErrNotSupported;

                }

            codecsCount = codecs->Count();

            }

        delete iDevSound;

        iDevSound = NULL;

        }

    TmsMsgBufPckg p;

    p().iInt = codecsCount;

#ifndef __WINSCW__

    p().iUint = 0; // G711 frame size undetermined

    //TODO: query G.711 codec to find its correct frame size (10 or 20 ms)

#else

    p().iUint = KTMSG711FrameLen20ms;

#endif //__WINSCW__

    p().iStatus = err;

    aMessage.WriteL(0, p);

    aMessage.Complete(KErrNone);

    }

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

// TMSServerSession::GetSupportedEncodersL

//

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

//

void TMSServerSession::GetSupportedCodecsL(const RMessage2& aMessage,

        TMSStreamType strmType)

    {

    TRACE_PRN_FN_ENT;

    CBufFlat* dataCopyBuffer = CBufFlat::NewL(KArrayExpandSize);

    CleanupStack::PushL(dataCopyBuffer);

    RBufWriteStream stream;

    stream.Open(*dataCopyBuffer);

    CleanupClosePushL(stream);

    RArray<TFourCC>* codecs;

    iServer.GetSupportedCodecs(strmType, codecs);

    TInt codecsCount = 0;

    codecsCount = codecs->Count();

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

        {

        TFourCC fcc = (codecs->Array())[i];

        stream.WriteUint32L(fcc.FourCC());

        TRACE_PRN_N2(_L("TMS->Codec[%d]==[0x%x]"), i+1, fcc.FourCC());

        }

    aMessage.WriteL(0, dataCopyBuffer->Ptr(0));

    CleanupStack::PopAndDestroy(&stream);

    CleanupStack::PopAndDestroy(dataCopyBuffer);

    aMessage.Complete(KErrNone);

    TRACE_PRN_FN_EXT;

    }

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

// TMSServerSession::SetOutput

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

//

void TMSServerSession::SetOutput(const RMessage2& aMessage)

    {

    TInt output = aMessage.Int0();

    iServer.SetOutput(this, output);

    aMessage.Complete(KErrNone);

    }

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

// TMSServerSession::NotifyClient

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

//

void TMSServerSession::NotifyClient()

    {

    if (iMsgQueue.Handle() > 0)

        {

        iMsgQueue.Send(iMsgBuffer);

        }

    }

// End of file