/*

* 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 contact store.

*

*/

#ifndef CPHCNTVPBKTHUMBNAILLOADER_H

#define CPHCNTVPBKTHUMBNAILLOADER_H

#include <MPbk2ImageOperationObservers.h>

#include "cphcntthumbnailloaderbase.h"

#include "MPhCntContactFetchObserver.h"

class MPhCntContactStores;

class CPhCntContact;

class MVPbk2ImageOperation;

/**

 *  Loader for loading thumbnails from contact store.

 *

 *  @lib PhoneCntFinder

 *  @since S60 v3.1

 */

NONSHARABLE_CLASS( CPhCntVPbkThumbnailLoader ) : 

    public CPhCntThumbnailLoaderBase,

    private MPhCntContactFetchObserver,

    private MPbk2ImageGetObserver

    {

public:

    /**

     * Static constructor.

     *

     * @since S60 v3.1

     * @param aContactStores Contact stores, where thunbnails are loaded.

     */

    static CPhCntVPbkThumbnailLoader* NewL( 

        MPhCntContactStores& aContactStores );

    /**

     * Static constructor.

     *

     * @since S60 v3.1

     * @param aContactStores Contact stores, where thunbnails are loaded.

     */

    static CPhCntVPbkThumbnailLoader* NewLC(

        MPhCntContactStores& aContactStores );

    /** 

     * Destructor.

     *

     * @since S60 v3.1

     */

    virtual ~CPhCntVPbkThumbnailLoader();

// From base class MPhCntThumbnailLoader.

    /**

     * From base class MPhCntThumbnailLoader.

     *

     * @since S60 v3.1

     * @see MPhCntThumbnailLoader

     */

    void Release();

    /**

     * From base class MPhCntThumbnailLoader.

     *

     * @since S60 v3.1

     * @see MPhCntThumbnailLoader

     */

    void Cancel();

protected:

// from base class CPhCntThumbnailLoaderBase

    /**

     * From CPhCntThumbnailLoaderBase

     *

     * @since S60 v3.1

     * @see CPhCntThumbnailLoaderBase

     */

    void DoLoadL( const CPhCntContactId& aContactId );

private:

// From base class MPhCntContactFetchObserver

    /**

     * From MPhCntContactFetchObserver

     *

     * @since S60 v3.1

     * @see MPhCntContactFectchObserver

     */

    void ContactReceived( CPhCntContact* aContact, TInt aError );

// from base class MPbk2ImageGetObserver

    /**

     * From base class MPbk2ImageGetObserver

     *

     * @since S60 v3.1

     * @see MPbk2ImageGetObserver

     */

    void Pbk2ImageGetComplete

        (MPbk2ImageOperation& aOperation, CFbsBitmap* aBitmap);

    /**

     * From base class MPbk2ImageGetObserver

     *

     * @since S60 v3.1

     * @see MPbk2ImageGetObserver

     */

    void Pbk2ImageGetFailed

        (MPbk2ImageOperation& aOperation, TInt aError);

    CPhCntVPbkThumbnailLoader( MPhCntContactStores& aContactStores );

    void ConstructL();

private: // data

    /**

     * Contact stores for fetching contact.

     * own.

     */

    MPhCntContactStores* iContactStores;

    /**

     * Contact received.

     * Own.

     */

    CPhCntContact* iReceivedContact;

    /**

     * Thumbnail loading operation

     * Own.

     */

    MPbk2ImageOperation* iOperation;

    };

#endif // CPHCNTVPBKTHUMBNAILLOADER_H