/*

* Copyright (c) 2009 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 to observe system events.

*     Implementer will be notified each time particular system component state has changed

*     

*

*/

/*

* ============================================================================

*  Name     : IRSystemEventDetectorObserver.h

*  Part of  : 

*  Origin   : 

*  Created  : 

*  Description:

*     Interface to observe system events.

*     Implementer will be notified each time particular system component state has changed

*     

*  Version  :

*  ---------------------------------------------------------------------------

/** @file IRSystemEventDetectorObserver.h */

#ifndef MIRSYSTEMEVENTDETECTOROBSERVER_H

#define MIRSYSTEMEVENTDETECTOROBSERVER_H

// CLASS DECLARATION

/**

*  

*  Observer for the call and network state. Implementer will be notified each time the state has changed

*/

class MIRSystemEventDetectorObserver 

    {

    public: // New functions

		/**

		* This callback notifies when networks comes up.

		*/

		virtual void NetworkUpCallbackL() = 0;

		/**

		* This callback notifies when network goes down.

		*/

		virtual void NetworkDownCallbackL() = 0;

		/**

		* This callback notifies when call becomes active.

		*/

		virtual void CallActivatedCallbackL() = 0;

		/**

		* This callback notifies when call becomes deactive.

		*/

		virtual void CallDeactivatedCallbackL() = 0;

		/**

		* This callback notifies when audio resources become available.

		*/

		virtual void AudioResourcesAvailableL() = 0;

		/**

		* This callback notifies when audio auto resuming is forbidden.

		*/

		virtual void AudioAutoResumeForbiddenL() = 0;

		/**

		* This callback notifies when an error occured

		* @param an error code  

		*/

		virtual void ErrorCallbackL(TInt aError) = 0;

    };

#endif      // MIRSYSTEMEVENTDETECTOROBSERVER_H   

// End of File