/*

* Copyright (c) 2002 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:  CLandmarkObserver class implementation

*

*/

// INCLUDE FILES

#include <liwgenericparam.h>

#include <liwcommon.h>

#include "clandmarkobserver.h"

#include "clandmarkiterable.h"

#include "clandmarkcategoryiterable.h"

#include "landmarkinterface.h"

#include "landmarkliwparams.hrh"

#include "../../inc/serviceerrno.h"

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

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

// CLandmarkObserver::NewL( CLandmarkInterface* aLmIface )

// Two-phased constructor.

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

//

CLandmarkObserver* CLandmarkObserver::NewL( CLandmarkInterface* aLmIface )

    {

    CLandmarkObserver* self = new (ELeave) CLandmarkObserver(aLmIface);

    return self;

    }

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

// CLandmarkObserver::CLandmarkObserver( CLandmarkInterface* aLmIface )

// C++ default constructor can NOT contain any code, that might leave.

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

//

CLandmarkObserver::CLandmarkObserver( CLandmarkInterface* aLmIface )

									: iLmIface(aLmIface)

    {

    }

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

// CLandmarkObserver::HandleCategoryItems( CPosLmItemIterator* aIterator, 

// 		TInt32 aTransactionId, TInt aError, const TDesC aDatabaseUri )

// Pack the outputs and call the callback function.

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

//

void CLandmarkObserver::HandleLandmarkItemsL( CPosLmItemIterator* aIterator, 

		TInt32 aTransactionId, TInt aError, const TDesC& aDatabaseUri )

    {

    TInt SapiErr = SErrNone;

    //retrieve callback

    MLiwNotifyCallback* callback = iLmIface->Callback(aTransactionId);

    if( !callback )

    	{

    	//how to flag error

    	return;

    	}

    //Create param list

    CLiwGenericParamList* eventParamList = CLiwGenericParamList::NewL();

    CleanupStack::PushL(eventParamList);

    CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL();

    CleanupStack::PushL(inParamList);

    if ( aError != KErrNone )

        {

        SapiErr = iLmIface->SapiError(aError);

        eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));

        callback->HandleNotifyL(aTransactionId,KLiwEventError,*eventParamList,*inParamList);

        }

    else

    	{

    	//instantiate CLandmarkIterable

        CLiwIterable* iterable = CLandmarkIterable::NewL(aIterator,aDatabaseUri);

        CleanupClosePushL(*iterable);

        //pack to aOutParamList

        eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));

        eventParamList->AppendL(TLiwGenericParam(KReturnValue,TLiwVariant(iterable)));

        callback->HandleNotifyL(aTransactionId,KLiwEventCompleted,*eventParamList,*inParamList);

        CleanupStack::PopAndDestroy(iterable);

    	}

    CleanupStack::PopAndDestroy(inParamList);

    CleanupStack::PopAndDestroy(eventParamList);

    }

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

// CLandmarkObserver::HandleCategoryItems( CPosLmItemIterator* aIterator, 

// 		TInt32 aTransactionId, TInt aError, const TDesC aDatabaseUri  )

// Pack the outputs and call the callback function.

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

//

void CLandmarkObserver::HandleCategoryItemsL( CPosLmItemIterator* aIterator, 

		TInt32 aTransactionId, TInt aError, const TDesC& aDatabaseUri )

    {

    TInt SapiErr = SErrNone;

    //retrieve callback

    MLiwNotifyCallback* callback = iLmIface->Callback(aTransactionId);

    if( !callback )

    	{

    	//how to flag error

    	return;

    	}

    //Create param list

    CLiwGenericParamList* eventParamList = CLiwGenericParamList::NewL();

    CleanupStack::PushL(eventParamList);

    CLiwGenericParamList* inParamList = CLiwGenericParamList::NewL();

    CleanupStack::PushL(inParamList);

    if ( aError != KErrNone )

        {

        SapiErr = iLmIface->SapiError(aError);

        eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));

        callback->HandleNotifyL(aTransactionId,KLiwEventError,*eventParamList,*inParamList);

        }

    else

    	{

    	//instantiate CLandmarkIterable

        CLiwIterable* iterable = CLandmarkCategoryIterable::NewL(aIterator,aDatabaseUri);

        CleanupClosePushL(*iterable);

        //pack to aOutParamList

        eventParamList->AppendL(TLiwGenericParam(KErrorCode,TLiwVariant((TInt32)SapiErr)));

        eventParamList->AppendL(TLiwGenericParam(KReturnValue,TLiwVariant(iterable)));

        callback->HandleNotifyL(aTransactionId,KLiwEventCompleted,*eventParamList,*inParamList);

        CleanupStack::PopAndDestroy(iterable);

    	}

    CleanupStack::PopAndDestroy(inParamList);

    CleanupStack::PopAndDestroy(eventParamList);

    }

//End of file