/*

* Copyright (c) 2002 - 2008 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:  Generic global note events observer.

*

*/

#ifndef C_GLOBAL_NOTE_OBSERVER_H

#define C_GLOBAL_NOTE_OBSERVER_H

//  INCLUDES

#include <e32base.h>

// CONSTANTS

// None

// MACROS

// None

// DATA TYPES

// None

// FUNCTION PROTOTYPES

// None

// FORWARD DECLARATIONS

class MGlobalNoteObserver;

// CLASS DECLARATION

/**

* Active object that tracks global note events.

*/

NONSHARABLE_CLASS(CGlobalNoteObserver) : public CActive

    {

    public:

        /**

         * Standard Symbian two phased constructor.

         * @param aObserver The observer implementation that is interested of

         *          the global note events.

         * @leave Leaves with KErrArgument if aObserver is null.

         * @return Newly constructed object.

         */

        static CGlobalNoteObserver* NewL( MGlobalNoteObserver* aObserver );

        /**

         * Destructor

         */

        virtual ~CGlobalNoteObserver();

    private:

        /**

         * Standard C++ constructor

         * @param aObserver The observer implementation that is interested of

         *          the global note events. Leaves with KErrArgument if

         *          aObserver is null.

         */

        CGlobalNoteObserver( MGlobalNoteObserver* aObserver );

        /**

         * Standard Symbian 2nd phase constructor.

         */

        void ConstructL();

    private: // From CActive

        void RunL();

        TInt RunError( TInt aError );

        void DoCancel();

    private:

        // Reference

        MGlobalNoteObserver* iObserver;

    };

#endif  // C_GLOBAL_NOTE_OBSERVER_H

// End of File