/*

* Copyright (c) 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:  Fetches a brand icon and its bitmask.

*

*/

#ifndef C_CLOGSEXTBRANDFETCHER_H

#define C_CLOGSEXTBRANDFETCHER_H

#include <e32base.h>

class MLogsExtBrandFetcherObserver;

/**

 * Branding icon fetcher class.

 *

 * @since S60 v3.2 

 */

NONSHARABLE_CLASS(CLogsExtBrandFetcher) : public CBase

    {

public:

    /**

     * Creates a new CLogsExtBrandFetcher.

     *

     * @since S60 v3.2

     * @param aServiceId a service id

     * @param aObserver the observer of this fetching process

     * @return a new CLogsExtBrandFetcher instance

     */       

    static CLogsExtBrandFetcher* NewL( 

        const TUint32 aServiceId, 

        MLogsExtBrandFetcherObserver& aObserver );

    /**

     * Creates a new CLogsExtBrandFetcher.

     *

     * @since S60 v3.2

     * @param aServiceId a service id

     * @param aObserver the observer of this fetching process

     * @return a new CLogsExtBrandFetcher instance

     */       

    static CLogsExtBrandFetcher* NewLC( 

        const TUint32 aServiceId, 

        MLogsExtBrandFetcherObserver& aObserver );

    /**

     * Destructor.

     */

    ~CLogsExtBrandFetcher();        

public: 

    /**

     * Initiates the fetching of the icon.

     *

     * @since S60 v3.2

     * @return KErrNone in case of no error, system error otherwise

     * e.g. KErrNotReady if the fetcher is in use already

     */           

    TInt Fetch();

    /**

     * Returns the service id.

     *

     * @since S60 v3.2

     * @return the service id

     */ 

    TUint32 ServiceId();

protected:

    /**

     * Symbian second-phase constructor

     */                    

    void ConstructL();

private:

    /**

     * Constructor.

     */

    CLogsExtBrandFetcher( const TUint32 aServiceId, 

                          MLogsExtBrandFetcherObserver& aObserver );

    /**

     * Retrieves the icon's bitmap and bitmask from the branding server

     * and completes its own request. RunL should call the callback 

     * afterwards.

     *

     * @since S60 v3.2

     */ 

    void GetBitmapsFromBrandServerL();

private: // data

    /**

     * Service id

     */

    TUint32 iServiceId;

    /**

     * The observer of this fetcher. Its callback function is called when

     * the bitmaps have been fetched successfully.

     * Not own.

     */

    MLogsExtBrandFetcherObserver* iObserver;

    };

#endif // C_CLOGSEXTBRANDFETCHER_H