/*

* Copyright (c) 2002-2005 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:  In this state, a stereo audio accessory is configuring us.

*

*/

// INCLUDE FILES

#include "btsacStateConfiguring.h"

#include "btsacStateConfigured.h"

#include "btsacStateListening.h"

#include "btsacStateAborting.h"

#include "btsacactive.h"

#include "btsacGavdp.h"

#include "btsacSEPManager.h"

#include "btsacStreamerController.h"

#include "debug.h"

// A2DP codec-specific element definitions

// in bluetoothAV.h

using namespace SymbianBluetoothAV;   

// Subband codec-specific values

// in bluetoothAV.h

using namespace SymbianSBC;   

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

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

// CBtsacConfiguring::NewL

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

//

CBtsacConfiguring* CBtsacConfiguring::NewL(CBTSAController& aParent, TSEID aLocalSEID, TSEID aRemoteSEID)

    {

   	CBtsacConfiguring* self = new( ELeave ) CBtsacConfiguring(aParent, aLocalSEID, aRemoteSEID);

    return self;

   	}

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

// CBtsacConfiguring::CBtsacConfiguring

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

//

CBtsacConfiguring::CBtsacConfiguring(CBTSAController& aParent, TSEID aLocalSEID, TSEID aRemoteSEID)

:   CBtsacState(aParent, EStateConfiguring), iLocalSEID(aLocalSEID), iRemoteSEID(aRemoteSEID),

	iSEPFound(EFalse), iRemoteSEPIndex(0), iAudioOpenedBy(EAudioOpenedByNone)

    {

    }

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

// CBtsacConfiguring::~CBtsacConfiguring

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

//    

CBtsacConfiguring::~CBtsacConfiguring()

    {

    TRACE_FUNC

    }

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

// CBtsacConfiguring::EnterL

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

//

void CBtsacConfiguring::EnterL()

    {

	TRACE_STATE(_L("[BTSAC State] Configuring"))

	_LIT(KName, "CBtsacStateConfiguring");

	const TDesC& Name = KName;

	Parent().iGavdp->RegisterObserver(this, Name);

	if ( iLocalSEID.SEID() != 1)	// we have only one local SEP, SBC

		{

		TRACE_INFO((_L("CBtsacConfiguring::EnterL() Wrong Local SEP being configured !!!")))

		}

	// we have registered only one local SBC SEP, so aRemoteSEID should be a SBC Audio SEP, 

	// atleast we assume that. So stash it as SBC Audio SEP

	TAvdtpSEPInfo info = TAvdtpSEPInfo();

	info.SetIsSink(ETrue); 

	info.SetMediaType(EAvdtpMediaTypeAudio);

	info.SetSEID(iRemoteSEID);

	TRAPD(err, Parent().iRemoteSEPs->NewSEPL(info));

	if (!err)

		{

		Parent().iRemoteSEPs->SetState(info.SEID(), CBTSACStreamEndPoint::EDiscoveredRemote, &info);

		}

	else // internal problem

		{

		}

    }

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

// CBtsacConfiguring::CancelActionL

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

//

    {

    TRACE_FUNC

	Parent().CompletePendingRequests((KConnectReq | KOpenAudioReq), aError);

    }

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

// CBtsacConfiguring::CancelConnectL

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

//

void CBtsacConfiguring::CancelConnectL()

    {

    TRACE_FUNC

    }

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

// CBtsacConfiguring::OpenAudioLinkL

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

//    

void CBtsacConfiguring::OpenAudioLinkL(const TBTDevAddr& /*aAddr*/)

	{  

	TRACE_FUNC

	// Handle open audio completion later, after configuration is ready (completion will happen

	// in CBtsacConfigured state after we receive GAVDP_StartIndication).

	}

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

// CBtsacConfiguring::DisconnectL

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

//

void CBtsacConfiguring::DisconnectL()	

	{

	TRACE_FUNC

	Parent().CompletePendingRequests(KDisconnectReq, KErrNone);

	}	

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

// CBtsacConfiguring::GAVDP_BearerReady

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

//

void CBtsacConfiguring::GAVDP_BearerReady(RSocket aNewSocket, const TAvdtpSockAddr& aAddr)

	{

	TRACE_INFO((_L("CBtsacConfiguring::GAVDP_BearerReady() SEID: %d"), aAddr.SEID().SEID()))

	(void) aAddr.SEID(); 

	Parent().NewAccessory(Parent().GetRemoteAddr());

	// If there is pending connect request, complete it.

	Parent().CompletePendingRequests(KConnectReq, KErrNone);

	// only one socket in this implementation at the moment, 

	// as we dont have recovery and reporting yet

	TRAP_IGNORE(Parent().ChangeStateL(CBtsacConfigured::NewL(Parent(), aNewSocket, iAudioOpenedBy, EStreamConfiguredBySink)));

	}

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

// CBtsacConfiguring::GAVDP_ConfigurationIndication

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

//

TInt CBtsacConfiguring::GAVDP_ConfigurationIndication(TAvdtpServiceCapability* aCapability)

	{

	TRACE_FUNC

	Parent().iRemoteSEPs->StoreCaps(iRemoteSEPIndex, aCapability);

	if ( aCapability->Category() == EServiceCategoryMediaCodec )

		{

		TAvdtpMediaCodecCapabilities& codecCaps = static_cast<TAvdtpMediaCodecCapabilities&>(*aCapability);

		if ( codecCaps.MediaCodecType() == EAudioCodecSBC ) // found SEP that we are interested in

			{

			TRACE_INFO((_L("CBtsacConfiguring::GAVDP_SEPCapability() Found SBC Audio Sink SEP !!!")))

			iSEPFound = ETrue;

			Parent().SetSEPIndex(iRemoteSEPIndex);

			}

		}

	return KErrNone;

	}

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

// CBtsacConfiguring::GAVDP_ConfigurationEndIndication

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

//	

TInt CBtsacConfiguring::GAVDP_ConfigurationEndIndication()

	{

	TRACE_FUNC

	if ( iSEPFound ) // proposed SEP has SBC (and media transport!) caps

		{

		RPointerArray<TAvdtpServiceCapability> SEPCapabilities;

	    if ((Parent().iRemoteSEPs->GetCaps(Parent().GetSEPIndex(), SEPCapabilities)) )

			{

			TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Couldn't retrieve Capabilities !")))

		   	SEPCapabilities.Close();

		   	if(err)

		   		{

		   		return KErrNoMemory;

		   		}

			return KErrGeneral; 

			}

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Retrieve %d capabilities"), SEPCapabilities.Count()))

	   	// loop through all capablities to find sbc codec capablities

	   	TSBCCodecCapabilities SBCCaps; 

	   	TAvdtpMediaTransportCapabilities MedTransCaps; 

	   	for (TInt index=0; index < SEPCapabilities.Count(); index++)		

	   		{

			TAvdtpServiceCapability* cap = SEPCapabilities[index];

			TAvdtpServiceCategory cat = cap->Category();

			if ( cat == EServiceCategoryMediaCodec )

				{

			    SBCCaps = static_cast<TSBCCodecCapabilities&>(*cap);	

			    TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() SBC Caps retrieved.")))

				}

			else if ( cat == EServiceCategoryMediaTransport )

				{

				MedTransCaps = static_cast<TAvdtpMediaTransportCapabilities&>(*cap);

				TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Media Transport Caps retrieved.")))

				}

	   		}

		// Check if headset's capabilities suits us			

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory Sampling Frequencies: %d"), SBCCaps.SamplingFrequencies()))

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory Channel modes: %d"), SBCCaps.ChannelModes()))

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory Blocks: %d"), SBCCaps.BlockLengths()))

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory SubBands: %d"), SBCCaps.Subbands()))

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory Alloc method: %d"), SBCCaps.AllocationMethods()))

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory Max bitpool: %d"), SBCCaps.MaxBitpoolValue()))

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Accessory Min bitpool: %d"), SBCCaps.MinBitpoolValue()))

		if (Parent().iStreamer->ConfigureSEP(SBCCaps) )

			{

	   		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() Streamer couldn't configure SEP !")))

	        if(err)

	        	{

	        	return KErrNoMemory;

	        	}

	        return KErrGeneral;   // capabilites doesn't suit us

			}

		// Everyting has been done on behalf of us, let's wait GAVDP_BearerReady indication.

		TRACE_INFO((_L("CBtsacConfiguring::GAVDP_ConfigurationEndIndication() completed")))

		return KErrNone;

		}

	else 

	 	{

	 	return KErrNotFound; // remote is missing SBC (or media transport!) caps in SEP it proposed

	 	}

	}

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

// CBtsacConfiguring::GAVDP_StartIndication

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

//

TInt CBtsacConfiguring::GAVDP_StartIndication(TSEID aLocalSEID)

	{

	TRACE_INFO((_L("CBtsacConfiguring::GAVDP_StartIndication(), LocalSEID:%d"), aLocalSEID.SEID()))

	(void)aLocalSEID;

	// accessory has send this indication right after GAVDP_ConfigurationEndIndication

	// but we must be waiting for Gavdp_BearerReady. In order to solve this, just flag 

	// our indication that an open audio request exists

	// CBtsacConfigured state can use this indication to start audio automatically then later

	// If we have already audio open request pending (from accessory FW), let keep it that way.

	// We have to complete open audio request later

	if(!Parent().IsOpenAudioReqFromAccFWPending())

		{		

		iAudioOpenedBy = EAudioOpenedByAcc;

		}

	return KErrNone;

	}

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

// CBtsacConfiguring::HandleGavdpErrorL

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

//	

void CBtsacConfiguring::HandleGavdpErrorL(TInt aError)

	{

	TRACE_FUNC

	switch(aError)

		{

		case KErrAvdtpRequestTimeout: // -18005

			{

			TRACE_INFO((_L("CBtsacConfiguring::HandleGavdpErrorL() Request TIMEOUT")))

			// Go to listening state, gavdp will be shutdown in listening state

			break;

			}

		case KErrHCILinkDisconnection: // -6305

		case KErrDisconnected: // -36

			{

			TRACE_INFO((_L("CBtsacConfiguring::HandleGavdpErrorL() Signalling disconnected.")))

			// for both outgoing or incoming connection, if we have an error, 

			// this means there is disconnection

			break;

			}

		default:			

		//case KErrNotReady: // -18

		//case KErrInUse: // -14

			{

			break;

			}

		}

	}

//  End of File