/*

* Copyright (c) 2007-2009 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:

*

*/

/**

 @file

 @internalComponent

*/

#include "reffdc.h"

#include <usb/usblogger.h>

#include <usbhost/internal/fdcpluginobserver.h>

#ifdef __FLOG_ACTIVE

_LIT8(KLogComponent, "reffdc   ");

#endif

CRefFdc* CRefFdc::NewL(MFdcPluginObserver& aObserver)

	{

	LOG_LINE

	LOG_STATIC_FUNC_ENTRY

	CRefFdc* self = new(ELeave) CRefFdc(aObserver);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CRefFdc::~CRefFdc()

	{

	LOG_LINE

	LOG_FUNC

	}

CRefFdc::CRefFdc(MFdcPluginObserver& aObserver)

:	CFdcPlugin(aObserver)

	{

	}

void CRefFdc::ConstructL()

	{

	LOG_FUNC

	}

TInt CRefFdc::Mfi1NewFunction(TUint aDeviceId,

		const TArray<TUint>& aInterfaces,

		const TUsbDeviceDescriptor& aDeviceDescriptor,

		const TUsbConfigurationDescriptor& aConfigurationDescriptor)

	{

	LOG_LINE

	LOG_FUNC

	LOGTEXT2(_L8("\t***** Ref FD offered chance to claim one function from device with ID %d"), aDeviceId);

	(void)aDeviceId;

	TRAPD(err, NewFunctionL(aDeviceId, aInterfaces, aDeviceDescriptor, aConfigurationDescriptor));

	// If any error is returned, RUsbInterface (etc) handles opened from this 

	// call must be closed.

	LOGTEXT2(_L8("\terr = %d"), err);

	return err;

	}

void CRefFdc::NewFunctionL(TUint aDeviceId,

		const TArray<TUint>& aInterfaces,

		const TUsbDeviceDescriptor& /*aDeviceDescriptor*/,

		const TUsbConfigurationDescriptor& /*aConfigurationDescriptor*/)

	{

	LOG_LINE

	LOG_FUNC

	// We are obliged to claim the first interface because it has 

	// interface class/subclass(/protocol) settings matching our default_data 

	// field.

	// We must take further interfaces until we have claimed a single complete 

	// function. We must do this regardless of any error that occurs.

	TUint32 token = Observer().TokenForInterface(aInterfaces[0]);

	// The token may now be used to open a RUsbInterface handle.

	(void)token;

	// aDeviceDescriptor is accurate but currently useless. FDCs may not 

	// 'reject' a device on any basis.

	// aConfigurationDescriptor may be walked to find interface descriptors 

	// matching interface numbers in aInterfaces.

	// Illustrate how string descriptors may be obtained for 

	// subsystem-specific purposes.

	const RArray<TUint>& langIds = Observer().GetSupportedLanguagesL(aDeviceId);

	const TUint langCount = langIds.Count();

	LOGTEXT2(_L8("\tdevice supports %d language(s):"), langCount);

	for ( TUint ii = 0 ; ii < langCount ; ++ii )

		{

		LOGTEXT2(_L8("\t\tlang code: 0x%04x"), langIds[ii]);

		TName string;

		TInt err = Observer().GetManufacturerStringDescriptor(aDeviceId, langIds[ii], string);

		if ( !err )

			{

			LOGTEXT2(_L("\t\t\tmanufacturer string descriptor = \"%S\""), &string);

			err = Observer().GetProductStringDescriptor(aDeviceId, langIds[ii], string);

			if ( !err )

				{

				LOGTEXT2(_L("\t\t\tproduct string descriptor = \"%S\""), &string);

				err = Observer().GetSerialNumberStringDescriptor(aDeviceId, langIds[ii], string);

				if ( !err )

					{

					LOGTEXT2(_L("\t\t\tserial number string descriptor = \"%S\""), &string);

					}

				else

					{

					LOGTEXT2(_L("\t\t\tGetSerialNumberStringDescriptor returned %d"), err);

					}

				}

			else

				{

				LOGTEXT2(_L("\t\t\tGetProductStringDescriptor returned %d"), err);

				}

			}

		else

			{

			LOGTEXT2(_L("\t\t\tGetManufacturerStringDescriptor returned %d"), err);

			}

		}

	}

void CRefFdc::Mfi1DeviceDetached(TUint aDeviceId)

	{

	LOG_LINE

	LOG_FUNC

	LOGTEXT2(_L8("\t***** Ref FD notified of detachment of device with ID %d"), aDeviceId);

	(void)aDeviceId;

	// Any RUsbInterface (etc) handles opened as a result of any calls to 

	// MfiNewFunction with this device ID should be closed.

	}

TAny* CRefFdc::GetInterface(TUid aUid)

	{

	LOG_LINE

	LOG_FUNC;

	LOGTEXT2(_L8("\taUid = 0x%08x"), aUid);

	TAny* ret = NULL;

	if ( aUid == TUid::Uid(KFdcInterfaceV1) )

		{

		ret = reinterpret_cast<TAny*>(

			static_cast<MFdcInterfaceV1*>(this)

			);

		}

	LOGTEXT2(_L8("\tret = [0x%08x]"), ret);

	return ret;

	}