/*

* 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 CRADIOSYSTEMEVENTCOLLECTOR_H

#define CRADIOSYSTEMEVENTCOLLECTOR_H

#include <e32std.h>

class MRadioSystemEventObserver;

NONSHARABLE_CLASS( CRadioSystemEventCollector )

    {

public:

    IMPORT_C static CRadioSystemEventCollector* NewL();

    IMPORT_C virtual ~CRadioSystemEventCollector();

    /**

     * Adds a system event observer

     *

     * @param aSystemObserver The observer to be added

     */

    virtual void AddObserverL( MRadioSystemEventObserver* aSystemObserver ) = 0;

    /**

    * Removes a system event observer

    *

    * @param aSystemObserver The observer to be removed

    */

    virtual void RemoveObserver( MRadioSystemEventObserver* aSystemObserver ) = 0;

    /**

    * Returns data network coverage state ( wlan or mobile ).

    *

    * @return ETrue if there is network coverage

    */

    virtual TBool IsNetworkCoverage() const = 0;

    /**

    * Returns mobile network coverage state.

    *

    * @return ETrue if there is network coverage

    */

    virtual TBool IsMobileNetworkCoverage() const = 0;

    /**

    * Returns current call state.

    *

    * @return ETrue if call is active

    */

    virtual TBool IsCallActive() const = 0;

    /**

    * Returns current audio resources state.

    *

    * @return ETrue if audio resources are available

    */

    virtual TBool IsAudioResourcesAvailable() const = 0;

    /**

     * Returns current headset connection status

     *

     * @return

     */

    virtual TBool IsHeadsetConnectedL() const = 0;

    };

#endif // CRADIOSYSTEMEVENTCOLLECTOR_H