/*

* Copyright (c) 2006-2007 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:  Interface and a base class for CMIDClip and CMIDTone.

*

*/

#ifndef CMIDSOUNDIMPL_H

#define CMIDSOUNDIMPL_H

//  INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class MMIDEventSender;

//  CLASS DEFINITION

/**

 * This class is interface and a base class for CMIDClip and CMIDTone

 *

 */

NONSHARABLE_CLASS(CMIDSoundImpl): public CBase

{

public:

    enum TState

    {

        ENotReady,

        EReadyToPlay,

        EPlaying,

        ENotSupported,

        EInitialising

    };

public:

    // destructor

    ~CMIDSoundImpl();

protected:

    void ConstructL();

    // C++ constructor

    CMIDSoundImpl(MMIDEventSender* aEventSender);

public:

    void Resume();

    virtual TInt Play(TInt aLoop) = 0;

    virtual void Stop() = 0;

    virtual void SetVolume(TInt aVolume) = 0;

    virtual TInt Volume() = 0;

    virtual void Release() = 0;

    inline TInt State() const;

protected:

    TInt iState;

    // true if playback has been started.

    TBool iPlayed;

    CActiveSchedulerWait* iSchedulerWait;

    // events are sent through this interface

    MMIDEventSender* iEventSender;

};

inline TInt CMIDSoundImpl::State() const

{

    return iState;

};

#endif // CMIDSOUNDIMPL_H