/*

* Copyright (c) 2010 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:  

*     CMsgErrorCommDbObserver declaration file

*

*/

#ifndef MSGERRORCOMMDBOBSERVER_H

#define MSGERRORCOMMDBOBSERVER_H

#include    <e32base.h>

// FORWARD DECLARATIONS

class CMsgErrorWatcherPrivate;

class CCommsDatabase;

// CLASS DECLARATION

/**

* CMsgErrorCommDbObserver

*/

class CMsgErrorCommDbObserver : public CActive

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        *

        * @param aWatcher A pointer to CMsgErrorWatcherPrivate

        */

        static CMsgErrorCommDbObserver* NewL( CMsgErrorWatcherPrivate& aWatcher );

        /**

        * Destructor.

        */

        virtual ~CMsgErrorCommDbObserver();

        /**

        * For external reactivating the active object.

        */

        void Restart();

    private:

        /**

        * By default Symbian OS constructor is private.

        */

        void ConstructL();

        /**

        * Private C++ constructor.

        *

        * @param aWatcher A pointer to CMsgErrorWatcherPrivate

        */

        CMsgErrorCommDbObserver( CMsgErrorWatcherPrivate&  aWatcher );

    private: // from CActive

        /**

        * For starting the active object.

        */

        void Start();

        /**

        * From CActive

        */

        void DoCancel();

        /**

        * From CActive

        */

        void RunL();

    private:    // Data

        /*

         * Pointer to commdb

         * Own

         */

        CCommsDatabase*     iDb;

        /**

         * Reference to watcher to give call back

         * Doesn't own

         */

        CMsgErrorWatcherPrivate&   iWatcher;

    };

#endif      // MSGERRORCOMMDBOBSERVER_H

// End of File