/*

* Copyright (c) 2004-2007 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:  Virtual Phonebook asynchronous single contact retriever 

                 operation.

*

*/

// INCLUDES

#include "CContactRetriever.h"

#include "CContactLink.h"

#include <CVPbkAsyncOperation.h>

#include <MVPbkSingleContactOperationObserver.h>

#include "CContact.h"

#include "CContactStore.h"

#include <cntitem.h>

#include <CVPbkAsyncCallback.h>

namespace VPbkCntModel {

// CContactRetriever implementation

inline void CContactRetriever::BaseConstructL()

    {

    iAsyncOperation = new(ELeave) VPbkEngUtils::CVPbkAsyncOperation;

    }

inline void CContactRetriever::ConstructL(const MVPbkContactLink& aLink)

    {

    BaseConstructL();

    iLink = static_cast<CContactLink*>(aLink.CloneLC());

    CleanupStack::Pop();

    }

inline void CContactRetriever::ConstructL(MVPbkContactLink* aLink)

    {

    BaseConstructL();

    iLink = static_cast<CContactLink*>(aLink);

    }

CContactRetriever* CContactRetriever::NewLC(

        const MVPbkContactLink& aLink,

        CContactStore& aContactStore,

        MVPbkSingleContactOperationObserver& aObserver)

    {

    CContactRetriever* self = new(ELeave) CContactRetriever(aContactStore, aObserver);

    CleanupStack::PushL(self);

    self->ConstructL(aLink);

    return self;

    }

CContactRetriever* CContactRetriever::NewLC(

        MVPbkContactLink* aLink,

        CContactStore& aContactStore,

        MVPbkSingleContactOperationObserver& aObserver)

    {

    CContactRetriever* self = new(ELeave) CContactRetriever(aContactStore, aObserver);

    CleanupStack::PushL(self);

    self->ConstructL(aLink);

    return self;

    }

CContactRetriever::~CContactRetriever()

    {

    delete iAsyncOperation;

    delete iLink;

    }

void CContactRetriever::StartL()

    {

    VPbkEngUtils::MAsyncCallback* retrieveCallback =

        VPbkEngUtils::CreateAsyncCallbackLC(

            *this, 

            &CContactRetriever::DoReadL, 

            &CContactRetriever::RetrieveError, 

            iObserver);

    iAsyncOperation->CallbackL(retrieveCallback);

    CleanupStack::Pop(retrieveCallback);

    }

void CContactRetriever::Cancel()

    {

    iAsyncOperation->Purge();

    }

CContactRetriever::CContactRetriever(

        CContactStore& aContactStore,

        MVPbkSingleContactOperationObserver& aObserver) :

    iContactStore(aContactStore),

    iObserver(aObserver)

    {

    }

void CContactRetriever::DoReadL(MVPbkSingleContactOperationObserver& /*aObserver*/)

    {

    CContactItem* item = iContactStore.NativeDatabase().ReadContactLC(iLink->ContactId());

    CContact* contact = CContact::NewL(iContactStore, item);

    CleanupStack::Pop(item);

    // Takes ownership of contact

    iObserver.VPbkSingleContactOperationComplete(*this, contact);

    }

void CContactRetriever::RetrieveError(

        MVPbkSingleContactOperationObserver& /*aObserver*/,

        TInt aError)

    {

    iObserver.VPbkSingleContactOperationFailed(*this, aError);

    }

}  // namespace VPbkCntModel

// end of file