/*

* 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:  Skin server's active data owner in backup/restore.

*

*/

#ifndef C_AKNSSRVACTIVEDATAOWNER_H

#define C_AKNSSRVACTIVEDATAOWNER_H

#include <e32property.h>

#include <e32std.h>

#include <connect/abclient.h>

class CAknsSrvActiveBackupDataClient;

class CActiveBackupClient;

/**

 *  Skin server's active data owner in backup/restore.

 *

 *  Listens for PS key to know when to order active data owner to 

 *  backup/restore data.

 *

 *  @lib AknsSkinSrv.lib

 *  @since S60 v3.1

 */

NONSHARABLE_CLASS( CAknsSrvActiveDataOwner ) : public CActive

    {

public:

    static CAknsSrvActiveDataOwner* NewL( RFs& aFsSession );

    virtual ~CAknsSrvActiveDataOwner();

// from base class CActive

    void RunL();

    TInt RunError( TInt aError );

    void DoCancel();

private:

    // Handles changes in backup state.

    void HandleBackupStateL( const TInt aValue );

    // Subsribes notifications of backup/restore p&s key.

    void SubscribePSKey();

    CAknsSrvActiveDataOwner( RFs& aFsSession );

private: // data

    /**

     * Callback interface for skinserver's active data owner.

     * Own.

     */

    CAknsSrvActiveBackupDataClient* iCallBack;

    /**

     * Active backup client.

     * Own.

     */

    conn::CActiveBackupClient* iActiveBackupClient;

    /**

     * Property to listen to.

     */

    RProperty iBackupProperty;

    /**

     * File system session (shared by AknSrv).

     */

    RFs& iFsSession;

    };

#endif // C_AKNSSRVACTIVEDATAOWNER_H