/*

* 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:  CLandmarkCmdGetLandmarks class implementation.

 *

*/

#include <EPos_CPosLmOperation.h>

#include <EPos_CPosLandmarkSearch.h>

#include "clandmarkcmdgetlandmarks.h"

#include "mlandmarkobserver.h"

#include "clandmarkmanagehandlers.h"

#include "clandmarkfilter.h"

#include "clandmarkmanageobjects.h"

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

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

// CLandmarkCmdGetLandmarks::NewL( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )

// Two-phased constructor.

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

//

CLandmarkCmdGetLandmarks* CLandmarkCmdGetLandmarks::NewL(

		MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )

	{

	CLandmarkCmdGetLandmarks* self = CLandmarkCmdGetLandmarks::NewLC (

			aObserver, aManageObjects );

	CleanupStack::Pop ( self );

	return self;

	}

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

// CLandmarkCmdGetLandmarks::NewLC( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )

// Two-phased constructor.

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

//

CLandmarkCmdGetLandmarks* CLandmarkCmdGetLandmarks::NewLC(

		MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )

	{

	CLandmarkCmdGetLandmarks* self = new (ELeave) CLandmarkCmdGetLandmarks(aObserver,aManageObjects);

	CleanupStack::PushL ( self );

	return self;

	}

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

// CLandmarkCmdGetLandmarks::CLandmarkCmdGetLandmarks( MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )

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

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

//

CLandmarkCmdGetLandmarks::CLandmarkCmdGetLandmarks(

		MLandmarkObserver* aObserver, CLandmarkManageObjects* aManageObjects )

	{

	iObserver = aObserver;

	iManageObjects = aManageObjects;

	CActiveScheduler::Add ( this );

	}

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

// CLandmarkCmdGetLandmarks::~CLandmarkCmdGetLandmarks()

// Destructor.

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

//

CLandmarkCmdGetLandmarks::~CLandmarkCmdGetLandmarks( )

	{

	Cancel ( );

	delete iSearchOperation;

	}

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

// CLandmarkCmdGetLandmarks::StartL( CLandmarkHandler* aHandle, TInt32 aTransactionId, CLandmarkFilter* aFilter )

// Start asynchronous operation.

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

//

void CLandmarkCmdGetLandmarks::StartL( CLandmarkHandler* aHandle,

		TInt32 aTransactionId, CLandmarkFilter& aFilter )

	{

	iHandle = aHandle;

	iTransactionId = aTransactionId;

	CPosLandmarkSearch* search = iHandle->LandmarkSearchHandle ( );

	search->SetMaxNumOfMatches (aFilter.MaximumMatches ( ) );

	iSearchOperation = search->StartLandmarkSearchL (aFilter.Criteria ( ),

			aFilter.LmSortPref ( ), aFilter.PreviousMatches ( ) );

	NextStep ( );

	}

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

// CLandmarkCmdGetLandmarks::NextStep()

// Execute the next step.

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

//

void CLandmarkCmdGetLandmarks::NextStep( )

	{

	iSearchOperation->NextStep (iStatus, iProgress );

	SetActive ( );

	}

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

// CLandmarkCmdGetLandmarks::RunL()

// Notify Observer on completion of the asynchronous call.

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

//

void CLandmarkCmdGetLandmarks::RunL( )

	{

	if ( iStatus == KPosLmOperationNotComplete )

		{

		NextStep ( );

		}

	else

		{

		User::LeaveIfError (iStatus.Int ( ) );

		CPosLmItemIterator* iterator=  NULL;

		CPosLandmarkSearch* search = iHandle->LandmarkSearchHandle ( );

		iterator = search->MatchIteratorL ( );

		CleanupStack::PushL (iterator );

		TRAP_IGNORE(iObserver->HandleLandmarkItemsL(iterator,iTransactionId,KErrNone,iHandle));

		CleanupStack::Pop (iterator );

		//set active garbage collector

		if ( !iManageObjects->IsActive() )

			{

			iManageObjects->Start ( );

			}

		}

	}

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

// CLandmarkCmdGetLandmarks::DoCancel()

// Cancel asynchronous call.

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

//

void CLandmarkCmdGetLandmarks::DoCancel( )

	{

	if ( iSearchOperation )

		{

		delete iSearchOperation;

		iSearchOperation = NULL;

		}

	}

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

// CLandmarkCmdGetLandmarks::RunError( TInt aError )

// This functions handles a leave occurring in the request completion event handler.

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

//

TInt CLandmarkCmdGetLandmarks::RunError( TInt aError )

	{

	TRAP_IGNORE(iObserver->HandleLandmarkItemsL(NULL,iTransactionId,aError,NULL));

	if ( !iManageObjects->IsActive() )

		{

		iManageObjects->Start ( );

		}

	return KErrNone;

	}

//End of file