/*

* 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 CRADIOSYSTEMEVENTCOLLECTORIMP_H

#define CRADIOSYSTEMEVENTCOLLECTORIMP_H

#include "cradiosystemeventcollector.h"

#include "mradioaudioroutingobserver.h"

#include "mradioheadseteventobserver.h"

#include "mradiosystemeventdetectorobserver.h"

#include "mradiosystemeventobserver.h"

class CRadioAccessoryObserver;

class CRadioSystemEventDetector;

/**

 *  Collects system events and forwards them to observers

 *  Class also wraps up the getters for some system states

 */

NONSHARABLE_CLASS( CRadioSystemEventCollectorImp ) : public CRadioSystemEventCollector

                                                   , public MRadioAudioRoutingObserver

                                                   , public MRadioHeadsetEventObserver

                                                   , public MRadioSystemEventDetectorObserver

    {

public:

    static CRadioSystemEventCollectorImp* NewL();

    ~CRadioSystemEventCollectorImp();

private:

    CRadioSystemEventCollectorImp();

    void ConstructL();

// from base class CRadioSystemEventCollector

    void AddObserverL( MRadioSystemEventObserver* aSystemObserver );

    void RemoveObserver( MRadioSystemEventObserver* aSystemObserver );

    TBool IsNetworkCoverage() const;

    TBool IsMobileNetworkCoverage() const;

    TBool IsCallActive() const;

    TBool IsAudioResourcesAvailable() const;

    TBool IsHeadsetConnectedL() const;

    TBool IsVoiceUiActive() const;

    void NotifyObserversL( TRadioSystemEventType aEvent );

// from base class MRadioSystemEventDetectorObserver

    void NetworkUpCallbackL();

    void NetworkDownCallbackL();

    void CallActivatedCallbackL();

    void CallDeactivatedCallbackL();

    void AudioResourcesAvailableL();

    void AudioAutoResumeForbiddenL();

    void ErrorCallbackL( TInt aError );

// from base class MRadioHeadsetEventObserver

    void HeadsetConnectedCallbackL();

    void HeadsetDisconnectedCallbackL();

// from base class MRadioAudioRoutingObserver

    void AudioRouteChangedL( RadioEngine::TRadioAudioRoute aRoute );

private: // data

    /**

     * Array of system event observers

     */

    RPointerArray<MRadioSystemEventObserver> iSystemEventObservers;

    /**

     * Detects system events

     */

    CRadioSystemEventDetector* iSystemEventDetector;

    /**

     * Observer for accessory events

     */

    CRadioAccessoryObserver* iHeadsetObserver;

    };

#endif // CRADIOSYSTEMEVENTCOLLECTORIMP_H