/*

* Copyright (c) 2007 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:  Reference implementation for ISC Driver extension

*

*/

// INCLUDE FILES

#include "IscDriverExtensionDevice.h"

#include "IscChannel.h"

#include "IscTrace.h"

#include "kern_priv.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

_LIT( KIscDriverExtensionName,"IscDriverExtension" );

_LIT( KIscDriverName,"IscDriver" );

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

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

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

// DIscDriverExtensionDevice::DIscDriverExtensionDevice

// C++ default constructor

// ( other items were commented in a header ).

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

//

DIscDriverExtensionDevice::DIscDriverExtensionDevice()

    : iIscDriverDevice( NULL )

    {

    C_TRACE( ( _T( "DIscDriverExtensionDevice::DIscDriverExtensionDevice()" ) ) );

    iParseMask |= KDeviceAllowUnit;

    iParseMask |= KDeviceAllowInfo;

    }

// Destructor

DIscDriverExtensionDevice::~DIscDriverExtensionDevice()

    {

    }

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

// DIscDriverExtensionDevice::Install

// Complete the installation of driver

// ( other items were commented in a header ).

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

//

TInt DIscDriverExtensionDevice::Install()

    {

    C_TRACE( ( _T( "DIscDriverExtensionDevice::Install()" ) ) );

    // Find pointer to ISC Driver.

    TInt err( KErrNone );

    DObjectCon* lDevices = Kern::Containers()[ELogicalDevice];

    TKName driverName;

    ASSERT_RESET_ALWAYS( lDevices, "IscDriverExtension", EIscLogicalDevicesNotFound );

    //TInt driverHandle( KErrNone );  // API change in SOS9.2 WK08

	TFindHandle driverHandle;

    err = lDevices->FindByName( driverHandle, KIscDriverName, driverName );

    if( KErrNone != err )

        {

        C_TRACE( ( _T( "DIscDriverExtensionDevice::Install() Pointer to IscDriver not found!" ) ) );

        ASSERT_RESET_ALWAYS( 0, "IscDriverExtension", EIscDriverNotFound );

        }

    iIscDriverDevice = static_cast<DIscDevice*>( lDevices->At( driverHandle ) );

    ASSERT_RESET_ALWAYS( iIscDriverDevice, "IscDriverExtension", EIscDriverNotFound )

    return ( SetName( &KIscDriverExtensionName ) );

    }

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

// DIscDevice::Create

// Create a logical channel

// ( other items were commented in a header ).

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

//

TInt DIscDriverExtensionDevice::Create( 

    DLogicalChannelBase*& aChannel )

    {

    aChannel=new DIscChannel( iIscDriverDevice );

    return aChannel?KErrNone:KErrNoMemory;

    }

// ========================== OTHER EXPORTED FUNCTIONS =========================

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

// E32Dll

// Epoc Kernel Architecture 2 style entry point

// ( other items were commented in a header ).

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

//

DECLARE_STANDARD_LDD()

    {

    DLogicalDevice* device = new DIscDriverExtensionDevice;

    ASSERT_RESET_ALWAYS( device,"IscDriverExtension",EIscPanicCreateLogicalDevice );

    return device;

    }

//  End of File