/*

* Copyright (c) 2004-2007 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.

*

*/

#ifndef MFMRADIOSYSTEMEVENTDETECTOROBSERVER_H

#define MFMRADIOSYSTEMEVENTDETECTOROBSERVER_H

// CLASS DECLARATION

/**

*  

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

*/

class MFMRadioSystemEventDetectorObserver 

    {

    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 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 call becomes active.

		*/

		virtual void CallActivatedCallbackL() = 0;

		/**

		* This callback notifies when call becomes deactive.

		*/

		virtual void CallDeactivatedCallbackL() = 0;

    };

#endif // MFMRADIOSYSTEMEVENTDETECTOROBSERVER_H   

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