/*

* Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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:  This Class provides the interface for

*				 calling the functionality to Media Management SAPI.

*  Interface

*

*/

#include <ecom/implementationproxy.h>

#include <utf.h>

#include "mgservicehandler.h"

#include "mginterface.h"

#include "serviceerrno.h"

//Input Keys

_LIT8(KDataSource, "IDataSource");

//Output Keys/arguments

_LIT8(KErrorCode,"ErrorCode");

_LIT8(KErrorMessage,"ErrorMessage");

_LIT8(KCommand, "cmd");

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

// CMgServiceHandler::NewL

// Returns the instance of CMgServiceHandler

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

CMgServiceHandler* CMgServiceHandler::NewL()

    {

    return new ( ELeave ) CMgServiceHandler();

    }

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

// CMgServiceHandler::~CMgServiceHandler

// Class destructor

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

CMgServiceHandler::~CMgServiceHandler()

    {

    }

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

// CMgServiceHandler::InitialiseL

// Initialises provider with necessary information

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

void CMgServiceHandler::InitialiseL(MLiwNotifyCallback& /*aFrameworkCallback*/,

                    const RCriteriaArray& /*aInterest*/)

    {

    }

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

// CMgServiceHandler::HandleServiceCmdL

// Executes generic service commands included in criteria.

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

void CMgServiceHandler::HandleServiceCmdL(const TInt& aCmdId,

                    const CLiwGenericParamList& aInParamList,

                    CLiwGenericParamList& aOutParamList,

                    TUint aCmdOptions,

                    const MLiwNotifyCallback* aCallback)

    {

    TPtrC errmsg(KNullDesC);

    if( ( aCallback ) ||  ( 0 != aCmdOptions  ) )

  	    {

         errmsg.Set(_L("MediaMgmt:Command not supported"));

         aOutParamList.AppendL(TLiwGenericParam(KErrorMessage,TLiwVariant(errmsg)));

  	      // report error if request is anything other than synchronous

  	      //or user sends a callback parameter

  	    aOutParamList.AppendL(TLiwGenericParam( KErrorCode , TLiwVariant( TInt32( SErrServiceNotSupported ) ) ) );

  	    // return from function

  	    return;

  	    }

  	TPtrC8 cmdName;

    const TLiwGenericParam* cmd = NULL;

	if ( aCmdId == KLiwCmdAsStr )

	    {

        TInt pos = 0;

        cmd = aInParamList.FindFirst( pos, KCommand );

     	if ( NULL != cmd )

     	    {

       	    cmdName.Set( cmd->Value().AsData() );

       	    }

       	else

       	    {

       	     errmsg.Set(_L("MediaMgmt:Interface name missing"));

       	     aOutParamList.AppendL(TLiwGenericParam(KErrorMessage,TLiwVariant(errmsg)));

       	     aOutParamList.AppendL(

  	         TLiwGenericParam( KErrorCode, TLiwVariant( TInt32( SErrServiceNotSupported ) ) ) );

       	    }

        }

    else

        {

         errmsg.Set(_L("MediaMgmt:Command not supported"));

         aOutParamList.AppendL(TLiwGenericParam(KErrorMessage,TLiwVariant(errmsg)));

         aOutParamList.AppendL(

         TLiwGenericParam(KErrorCode, TLiwVariant( TInt32( SErrServiceNotSupported ) ) ) );

        }

    if( 0 == cmdName.CompareF( KDataSource ) )

        {

        //Create interface pointer and return the output param

        CMgInterface* ifp =CMgInterface::NewL();

        CleanupClosePushL( *ifp );

        aOutParamList.AppendL( TLiwGenericParam(KDataSource, TLiwVariant( ifp ) ) );

        CleanupStack::Pop( ifp );

        return;

        }

     else

        {

        errmsg.Set(_L("MediaMgmt:Requested interface not supported by the provider"));

        aOutParamList.AppendL(TLiwGenericParam(KErrorMessage,TLiwVariant(errmsg)));

           aOutParamList.AppendL(

  	       TLiwGenericParam( KErrorCode, TLiwVariant( TInt32( SErrServiceNotSupported ) ) ) );

        }

    }

//

// Rest of the file is for ECom initialization.

//

// Map the interface UIDs to implementation factory functions

const TImplementationProxy ImplementationTable[] =

    {

    IMPLEMENTATION_PROXY_ENTRY(0x10282CF8, CMgServiceHandler::NewL)

    };

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

// Exported proxy for instantiation method resolution

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

//

EXPORT_C const TImplementationProxy* ImplementationGroupProxy( TInt& aTableCount )

    {

    aTableCount = sizeof( ImplementationTable ) / sizeof( TImplementationProxy );

    return ImplementationTable;

    }