/*

* Copyright (c) 2004 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:   This file contains definitions of Audio Clients List Manager.

*

*/

#ifndef AUDIOCLIENTSLISTMANAGERAO_H

#define AUDIOCLIENTSLISTMANAGERAO_H

#include <e32base.h>

#include <GlobalAudioSettings.h>

#include <e32property.h>

/**

*  Defines audio clients list manager class.

*

*  @lib GlobalAudioSettings.lib

*  @since Series 60 3.2

*/

class CAudioClientsListManagerAO: public CActive

    {

    public:

        // 2 Phase constructor

        static CAudioClientsListManagerAO* NewL(

                                            CGlobalAudioSettings& aGlobalAudioSettings,

                                            RPointerArray<MAudioClientsListObserver>& aArray,

                                            TUint32 aKey );

        // Destructor

        ~CAudioClientsListManagerAO();

        // Starts monitoring audio clients list

        TInt MonitorStart();

        // Stops monitoring audio clients list

        TInt MonitorStop();

        // Returns the audio clients list

        TInt GetAudioClientsList(

                    CGlobalAudioSettings::TAudioClientListType aType,

                    RArray<TProcessId>& aList );

    protected:

        // From CActive begins

        void RunL();

        void DoCancel();

        TInt RunError(TInt aError);

        // From CActive ends

    private:

        // Constructor

         CAudioClientsListManagerAO(CGlobalAudioSettings& aGlobalAudioSettings,

                					RPointerArray<MAudioClientsListObserver>& aArray,

                					TUint32 aKey );

        // 2nd phase constructor

        void ConstructL();

    private:

        // Handle to property

        RProperty iActiveAudioClients;

        // Reference to CGlobalAudioSettings

        CGlobalAudioSettings& iGlobalAudioSettings;

        // List of Audio Clients List Observer objects

        RPointerArray<MAudioClientsListObserver>& iAudioClientsListObserverArray;        

        //P&S key

        TUint32 iKey;

    };

#endif  // AUDIOCLIENTSLISTMANAGERAO_H

// End of file