/*

* Copyright (c) 2005-2007 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:  Phonebook 2 thumbnail loader.

*

*/

// INCLUDES

#include "CPbk2ThumbnailPopup.h"

#include <MVPbkSingleContactOperationObserver.h>

// FORWARD DECLARATIONS

class MVPbkContactOperationBase;

class CVPbkContactManager;

class MVPbkContactLink;

class MVPbkStoreContact;

// CLASS DECLARATION

NONSHARABLE_CLASS(CPbk2ThumbnailLoader) :

        public CBase,

        private MVPbkSingleContactOperationObserver,

        private MPbk2ThumbnailPopupObserver

    {

    public: // Constructor and destructor

        /**

         * Creates a new instance of this class.

         *

         * @param aContactManager       Virtual Phonebook contact manager.

         */

        IMPORT_C static CPbk2ThumbnailLoader* NewL(

                CVPbkContactManager& aContactManager );

        /**

         * Destructor.

         */

        ~CPbk2ThumbnailLoader();

    public: // Interface

        /**

         * Loads a contact and shows its thumbnail if it has one.

         *

         * @param aContactLink          Contact link.

         * @param aListBox              Listbox presenting the contact.

         * @param aThumbnailLocation    Location where thumbnail is drawn.

         */

        IMPORT_C void LoadThumbnailL(

                MVPbkContactLink* aContactLink,

                const CEikListBox* aListBox,

                TPbk2ThumbnailLocation aThumbnailLocation );

        /**

         * Shows given contact's thumbnail if it has one.

         *

         * @param aStoreContact         Contact.

         * @param aListBox              Listbox presenting the contact.

         * @param aThumbnailLocation    Location where thumbnail is drawn.

         */

        IMPORT_C void LoadThumbnail(

                MVPbkStoreContact* aStoreContact,

                const CEikListBox* aListBox,

                TPbk2ThumbnailLocation aThumbnailLocation );

        /**

         * Hides the current thumbnail and cancels the retrieving of next

         * contact if it's currently being retrieved.

         */

        IMPORT_C void HideThumbnail();

        /**

         * Redraws the thumbnail.

         */

        IMPORT_C void Refresh();

        /**

         * Resets the loader. Calls HideThumbnail() and deletes

         * the currently loaded contact.

         */

        IMPORT_C void Reset();

    private: // From MVPbkSingleContactOperationObserver

        void VPbkSingleContactOperationComplete(

                MVPbkContactOperationBase& aOperation,

                MVPbkStoreContact* aContact );

        void VPbkSingleContactOperationFailed(

                MVPbkContactOperationBase& aOperation,

                TInt aError );

    private: // From MPbk2ThumbnailPopupObserver

        void PopupLoadComplete();

        void PopupLoadFailed(

                TInt aError );

    private: // Implementation

        CPbk2ThumbnailLoader(

                CVPbkContactManager& aContactManager );

        void ConstructL();

    private: // Data

        /// Own: Thumbnail popup control

        CPbk2ThumbnailPopup* iThumbnailPopup;

        /// Own: Retrieve operation

        MVPbkContactOperationBase* iRetrieveOperation;

        /// Own: Store contact

        MVPbkStoreContact* iStoreContact;

        /// Ref: Virtual Phonebook contact manager

        CVPbkContactManager& iContactManager;

        /// Ref: List box

        const CEikListBox* iListBox;

    };

// End of File