/*

* Copyright (c) 2006 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:  Thumbnail loader for loading thumbnails from VirtualPhonebook

*

*/

#include <CPbk2ImageManager.h>

#include "cphcntvpbkthumbnailloader.h"

#include "MPhCntContactStores.h"

#include "cphcntvpbkcontactid.h"

#include "CPhCntContact.h"

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

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

// Constructor

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

//

CPhCntVPbkThumbnailLoader::CPhCntVPbkThumbnailLoader(

    MPhCntContactStores& aContactStores ) : 

    iContactStores( &aContactStores )

    {

    }

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

// ConstructL

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

//

void CPhCntVPbkThumbnailLoader::ConstructL()

    {

    }

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

// static constructor

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

//

CPhCntVPbkThumbnailLoader* CPhCntVPbkThumbnailLoader::NewL(

    MPhCntContactStores& aContactStores )

    {

    CPhCntVPbkThumbnailLoader* self = 

        CPhCntVPbkThumbnailLoader::NewLC( aContactStores );

    CleanupStack::Pop( self );

    return self;

    }

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

// static constructor

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

//

CPhCntVPbkThumbnailLoader* CPhCntVPbkThumbnailLoader::NewLC(

    MPhCntContactStores& aContactStores )

    {

    CPhCntVPbkThumbnailLoader* self = 

        new( ELeave ) CPhCntVPbkThumbnailLoader( aContactStores );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// destructor.

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

//

CPhCntVPbkThumbnailLoader::~CPhCntVPbkThumbnailLoader()

    {

    delete iContactStores;

    delete iOperation;

    delete iReceivedContact;

    }

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

// From class MPhCntThumbnailLoader

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

//

void CPhCntVPbkThumbnailLoader::Cancel()

    {

    delete iReceivedContact;

    iReceivedContact = NULL;

    delete iOperation;

    iOperation = NULL;

    }

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

// From class MPhCntThumbnailLoader

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

//

void CPhCntVPbkThumbnailLoader::Release()

    {

    // Nothing to do.

    }

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

// From class CPhCntThumbnailLoaderBase

// Starts the loading of thumbnail

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

//

void CPhCntVPbkThumbnailLoader::DoLoadL( const CPhCntContactId& aContactId ) 

    {

    // Cast is safe because compile time variation makes sure that 

    // CPhCntContactId is only subclassed by CPhCntVPbkContactId.

    const CPhCntVPbkContactId& contactId = 

        reinterpret_cast<const CPhCntVPbkContactId&>( aContactId );

    // Fetch the contact.

    iContactStores->FetchContactL( contactId.ContactLink(), *this );

    }

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

// From class MPhCntContactFetchObserver

// Indication that contact has been fetched from contact stores.

// Starts loading the thumbnail from contact.

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

//   

void CPhCntVPbkThumbnailLoader::ContactReceived( 

    CPhCntContact* aContact, 

    TInt aError )

    {

    if( aError == KErrNone )

        {

        iReceivedContact = aContact;

        TRAPD( err, iOperation = iReceivedContact->LoadThumbnailL( *this ) );

        if( err != KErrNone ) 

            {

            NotifyObserver( NULL, err );

            delete iReceivedContact;

            iReceivedContact = NULL;

            }

        }

    else 

        {

        NotifyObserver( NULL, aError );

        }

    }

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

// From class MPbk2ImageGetObserver

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

//  

void CPhCntVPbkThumbnailLoader::Pbk2ImageGetComplete( 

    MPbk2ImageOperation& /*aOperation*/, 

    CFbsBitmap* aBitmap )

    {

    delete iOperation;

    iOperation = NULL;

    delete iReceivedContact;

    iReceivedContact = NULL;

    NotifyObserver( aBitmap, KErrNone );

    }

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

// From class MPbk2ImageGetObserver

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

//

void CPhCntVPbkThumbnailLoader::Pbk2ImageGetFailed( 

    MPbk2ImageOperation& /*aOperation*/, 

    TInt aError )

    {

    delete iOperation;

    iOperation = NULL;

    delete iReceivedContact;

    iReceivedContact = NULL;

    NotifyObserver( NULL, aError );

    }