/*

* 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:  Event monitor interface

*

*/

#ifndef MSATEVENTMONITOR_H

#define MSATEVENTMONITOR_H

//  INCLUDES

#include <e32base.h>

// CLASS DECLARATION

/**

*  Interface for event monitors.

*

*  @lib EventMonitors.lib

*  @since Series 60 3.0

*/

class MSatEventMonitor

    {

    public: // Enums

        // Monitored events

        enum TEvent

            {

            EUserActivity,

            EIdleScreenAvailable,

            ELanguageSelection,

            ESimRemoved,

            EBrowserTerminated,

            EDataAvailable,

            EChannelStatus

            };

    public: // New functions

        /**

        * Cancels event monitoring

        */

        virtual void CancelMonitor() = 0;

        /**

        * Updates monitors state. This function call starts or cancels monitor

        * @param aEvents A list of events to be monitored. If this monitors event

        * is not on the list, this monitor is cancelled.

        * @return TInt An error code indicating update status

        */

        virtual TInt UpdateMonitor( TUint aEvents ) = 0;

        /**

        * Checks is this event monitor monitoring particular event

        * @param aEvent Event to check against

        * @return ETrue if aEvent is the same event this is monitoring

        */

        virtual TBool IsMonitoringEvent( const TInt aEvent ) = 0;

        /**

        * Destructor.

        */

        virtual ~MSatEventMonitor() {};

    protected:

        /**

        * C++ default constructor.

        */

        MSatEventMonitor() {};

    private:

        // Prohibit copy constructor if not deriving from CBase.

        MSatEventMonitor( const MSatEventMonitor& );

        // Prohibit assigment operator if not deriving from CBase.

        MSatEventMonitor& operator=( const MSatEventMonitor& );

    };

#endif      // MSATEVENTMONITOR_H

// End of file