/*

* Copyright (c) 2008-2009 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:    Upload cenrep watcher

*

*/

#ifndef __GLXUPLOADCENREPWATCHER_H__

#define __GLXUPLOADCENREPWATCHER_H__

class CGlxCommandHandlerUpload;

/**

 *  CGlxUploadCenRepWatcher

 *  CGlxCommandHandlerUpload containted class for observing changes in central 

 *                   repository values

 */

NONSHARABLE_CLASS( CGlxUploadCenRepWatcher ) : public CActive

    {

    public:  // Constructors and destructor

        /**

         * Symbian Constructor.

         * @param aObserver obersver - only supplied when the owner is 

         *  interested in changes in key value

         * @param aRepositoryUid uid of Central Repository file

         * @param aId id of the Central Repository key

         * @return contructed object

         */

        static CGlxUploadCenRepWatcher* NewL(MGlxUploadIconObserver& aUploadIconObserver,

                                             const TUid& aRepositoryUid,

                                             TUint32 aId );

        /**

         * Destructor.

         */

        ~CGlxUploadCenRepWatcher();

    public: // API

        /**

         * Get current value as 16 bit descriptor.

         * @param return value of the key in the descriptor

         */

        void KeyValueL(TDes& aKeyValue) const;

    private: // Implementation

        /**

         * C++ constructor.

         * @param aObserver obersver		 

         * @param aRepositoryUid uid of CenRep file

         * @param aId id of the key

         * @return contructed object

         */

        CGlxUploadCenRepWatcher(MGlxUploadIconObserver& aUploadIconObserver,

                                const TUid& aRepositoryUid, TUint32 aId );

        /**

         * 2nd phase constructor

         */

        void ConstructL();

    protected: // from CActive

        /**

         * @ref CActive::RunL

         */

        void RunL();

        /**

         * @ref CActive::DoCancel

         */

        void DoCancel();

        /**

         * @ref CActive::RunError

         */

        TInt RunError( TInt aError );

    private: // Implementation

        // Not Owned: the upload icon observer

        MGlxUploadIconObserver& iUploadIconObserver;

        // Own: the central repository API

        CRepository* iRepository;       

        // the central repository identifier

        TUid iRepositoryUid;

        // the key id

        TUint32 iId;

    };

#endif //__GLXUPLOADCENREPWATCHER_H__