/*

* 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:

*

*/

#ifndef MRADIOSYSTEMEVENTDETECTOROBSERVER_H

#define MRADIOSYSTEMEVENTDETECTOROBSERVER_H

// Class declaration

/**

*

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

*/

NONSHARABLE_CLASS( MRadioSystemEventDetectorObserver )

    {

public:

    /**

    * 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 aError an error code

    */

    virtual void ErrorCallbackL( TInt aError ) = 0;

    };

#endif // MRADIOSYSTEMEVENTDETECTOROBSERVER_H