/*

* Copyright (c) 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:  Interface for listening native database events

 *

*/

#ifndef MLAPILMDATABASEEVENTNOTIFIER_H

#define MLAPILMDATABASEEVENTNOTIFIER_H

// EXTERNAL INCLUDES

#include    <e32std.h>

#include    <e32def.h>

// FORWARD DECLARATIONS

class MLAPILmDatabaseObserver;

/**

 * Interface for listening native database events

 *

 * @lib N/A

 * @since S60 3.2

 */

NONSHARABLE_CLASS(MLAPILmDatabaseEventNotifier)

{

public:

    /**

     * Destructor. This allows deletion through this interface

     */

    virtual ~MLAPILmDatabaseEventNotifier()

    {}

public: // New functions

    /**

     * Adds an event observer to this notifier

     *

     * @param aObserver An event observer. This class does NOT take

     *        the ownership of the value

     */

    virtual void AddObserverL(MLAPILmDatabaseObserver* aObserver) = 0;

    /**

     * Removes an event observer from this notifier. Nothing happens if

     * there is no such observer in the observer array

     *

     * @param aObserver An event observer. This class does NOT take

     *        the ownership of the value

     */

    virtual void RemoveObserver(MLAPILmDatabaseObserver* aObserver) = 0;

    /**

     * Returns ETrue if event listening is supported. EFalse if the

     * Landmarks API does not support event listening

     */

    virtual TBool IsEventListeningSupported() = 0;

}

;

#endif // MLAPILMDATABASEEVENTNOTIFIER_H

// End of file