/*

* Copyright (c) 2005 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: Operation to search for landmarks or landmark categories from a

*  local database.

*

*

*/

// INCLUDE FILES

#include    <epos_cposlmlocaldbaccess.h>

#include    <epos_cposlmlocaldatabase.h>

#include    <EPos_LandmarksErrors.h>

#include    "EPos_CPosLmLocalSearchOperation.h"

#include    "EPos_CPosLmLocalSearch.h"

#include    "EPos_CPosLmLocalSearchHandler.h"

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

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

// CPosLmLocalSearchOperation::CPosLmLocalSearchOperation

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

// might leave.

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

//

CPosLmLocalSearchOperation::CPosLmLocalSearchOperation(

    CPosLmLocalDatabase* aDb,

    CPosLmLocalSearch* aLocalSearch,

    CPosLmLocalSearchHandler* aLocalSearchHandler)

:   CPosLmLocalOperation(*aDb),

    iLocalSearch(aLocalSearch),

    iLocalSearchHandler(aLocalSearchHandler)

    {

    }

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

// CPosLmLocalSearchOperation::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPosLmLocalSearchOperation::ConstructL()

    {

    BaseConstructL();

    AquireLockL(CPosLmLocalDatabase::EReadLock);

    }

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

// CPosLmLocalSearchOperation::NewL

// Two-phased constructor.

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

//

CPosLmLocalSearchOperation* CPosLmLocalSearchOperation::NewL(

    CPosLmLocalDatabase* aDb,

    CPosLmLocalSearch* aLocalSearch,

    CPosLmLocalSearchHandler* aLocalSearchHandler)

    {

    CPosLmLocalSearchOperation* self = new (ELeave) CPosLmLocalSearchOperation(

        aDb, aLocalSearch, aLocalSearchHandler);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

// Destructor

CPosLmLocalSearchOperation::~CPosLmLocalSearchOperation()

    {

    if (iLocalSearch)

        {

        iLocalSearch->SearchCompleted();

        iLocalSearchHandler->CancelSearch();

        }

    else

        {

        delete iLocalSearchHandler;

        }

    }

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

// CPosLmLocalSearchOperation::HandleLocalSearchDeleted

//

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

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

//

void CPosLmLocalSearchOperation::HandleLocalSearchDeleted()

    {

    iLocalSearch = NULL;

    }

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

// CPosLmLocalSearchOperation::NextStepL

//

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

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

//

TInt CPosLmLocalSearchOperation::NextStepL(

    TReal32& aProgress)

    {

    __ASSERT_DEBUG(iLocalSearchHandler,

        Panic(KPosLandmarksClientPanic, EPosInvalidOperationMode));

    return iLocalSearchHandler->NextStepL(aProgress);

    }

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

// CPosLmLocalSearchOperation::HandleError

//

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

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

//

void CPosLmLocalSearchOperation::HandleError(TInt& /*aError*/)

    {

    iLocalSearchHandler->CancelSearch();

    HandleOperationCompleted();

    }

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

// CPosLmLocalSearchOperation::HandleOperationCompleted

//

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

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

//

void CPosLmLocalSearchOperation::HandleOperationCompleted()

    {

    if (iLocalSearch)

        {

        // Give ownership of iLocalSearchHandler to iLocalSearch

        iLocalSearch->SearchCompleted();

        iLocalSearch = NULL;

        iLocalSearchHandler = NULL;

        }

    ReleaseLock();

    }

//  End of File