/*

 * 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