/*

* 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 "clandmarkmanagehandlers.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::~CLandmarkObserver()

	{

	delete iId;

	}

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

// 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, CLandmarkHandler* aHandler )

    {

    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

    	TPtrC dbUri;

    	aHandler->GetDatabaseUri (dbUri );

    	CLandmarkIterable* iterable = CLandmarkIterable::NewL(aIterator,dbUri);

        iterable->PushL();

        //pack to aOutParamList

        iterable->SetHandler(aHandler);

        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, CLandmarkHandler* aHandler )

    {

    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

    	TPtrC dbUri;

        aHandler->GetDatabaseUri (dbUri );

        CLandmarkCategoryIterable* iterable = CLandmarkCategoryIterable::NewL(aIterator,dbUri);

        iterable->PushL();

        //pack to aOutParamList

        iterable->SetHandler(aHandler);

        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);

    }

void CLandmarkObserver::HandleAddItemsL(TPosLmItemId aId,

		TInt32 aTransactionId, TInt aError)

	{

	if (iId)

		{

		delete iId;

		iId = NULL;

		}

	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

		{

		iId = HBufC::NewL(KMaxIDStringLength);

		iId->Des().Num(aId, EDecimal);

		//pack to aOutParamList

		eventParamList->AppendL(TLiwGenericParam(KErrorCode, TLiwVariant(

				(TInt32) SapiErr)));

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

		callback->HandleNotifyL(aTransactionId, KLiwEventCompleted,

				*eventParamList, *inParamList);

		}

	CleanupStack::PopAndDestroy(inParamList);

	CleanupStack::PopAndDestroy(eventParamList);

	}

void CLandmarkObserver::HandleItemsL(TInt32 aTransactionId, TInt aError)

	{

	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

		{

		//pack to aOutParamList

		eventParamList->AppendL(TLiwGenericParam(KErrorCode, TLiwVariant(

				(TInt32) SapiErr)));

		callback->HandleNotifyL(aTransactionId, KLiwEventCompleted,

				*eventParamList, *inParamList);

		}

	CleanupStack::PopAndDestroy(inParamList);

	CleanupStack::PopAndDestroy(eventParamList);

	}

//End of file