/*

* Copyright (c) 2010 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:  Implementation of interface for playbackutility

*

*/

// Version : %version:  2 %

#ifndef CMPXPLAYBACKUTILITY_H

#define CMPXPLAYBACKUTILITY_H

#include <e32base.h>

#include <mpxcommand.h>

#include <mpxattributespecs.h>

#include <mpxplaybackcommanddefs.h>

#include <mpxplaybackframeworkdefs.h>

class TMPXAttribute;

class MMPXPlaybackObserver;

class CMPXCollectionPlaylist;

class MMPXPlaybackCallback;

class CMPXPlaybackUtility;

class MMPXSource

{

    public:

        virtual CMPXCollectionPlaylist* PlaylistL() = 0;

        virtual void MediaL( const TArray<TMPXAttribute>& aAttrs,

                             MMPXPlaybackCallback& aCallback,

                             CMPXAttributeSpecs* aSpecs ) = 0;

};

class MMPXPlaybackUtility : public CBase

{

    public:

        static MMPXPlaybackUtility* UtilityL( const TMPXCategory aCategory,

                                              const TUid& aModeId = KPbModeDefault );

        virtual TMPXPlaybackState StateL() const = 0;

        virtual void AddObserverL( MMPXPlaybackObserver& aObs ) = 0;

        virtual void CommandL( CMPXCommand& aCmd, MMPXPlaybackCallback* aCallback=NULL ) = 0;

        virtual void CommandL( TMPXPlaybackCommand aCmd ) = 0;

        virtual MMPXSource* Source() = 0;

        virtual void PropertyL( MMPXPlaybackCallback& aCallback, TMPXPlaybackProperty aProperty ) = 0;

        virtual void RemoveObserverL( MMPXPlaybackObserver& aObs ) = 0;

        virtual void Close() = 0;

        virtual void SetPrimaryClientL() = 0;

        virtual void SetL( TMPXPlaybackProperty aProperty,TInt aValue ) = 0;

    public:

        TMPXPlaybackState iState;

        TMPXPlaybackProperty iProperty;

        TInt iPropertyValue;

        TInt iCommand;

};

class CMPXPlaybackUtility : public MMPXPlaybackUtility,

                            public MMPXSource

{

    public:

        static CMPXPlaybackUtility* NewL();							

        ~CMPXPlaybackUtility();

    private:

        CMPXPlaybackUtility();

        void ConstructL();

        void AddObserverL( MMPXPlaybackObserver& aObs );

        void RemoveObserverL( MMPXPlaybackObserver& aObs );

        void Close();

        void CommandL( CMPXCommand& aCmd, MMPXPlaybackCallback* aCallback );

        void CommandL( TMPXPlaybackCommand aCmd );

        TMPXPlaybackState StateL() const;

        MMPXSource* Source();

        void SetL( TMPXPlaybackProperty aProperty,TInt aValue );

        void PropertyL( MMPXPlaybackCallback& aCallback, TMPXPlaybackProperty aProperty );

        CMPXCollectionPlaylist* PlaylistL();

        void MediaL( const TArray<TMPXAttribute>& aAttrs,

                     MMPXPlaybackCallback& aCallback,

                     CMPXAttributeSpecs* aSpecs );

        void SetPrimaryClientL();

};

#endif // CMPXPLAYBACKUTILITY_H