/*

* Copyright (c) 2002 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 class is used for streaming audio.

*

*/

#ifndef CMMAAUDIOSTREAMPLAYER_H

#define CMMAAUDIOSTREAMPLAYER_H

//  INCLUDES

#include "cmmaemcaudioplayer.h"

#include "mmmastreamhandlerlistener.h"

#include "cmmaemcresolver.h"

#include <MetaDataUtility.h>

class CMMADataSourceStream;

class CMMAStreamHandler;

//  CLASS DECLARATION

/**

*   This class is used for playing audio from stream source.

*/

NONSHARABLE_CLASS(CMMAAudioStreamPlayer): public CMMAEMCAudioPlayer,

        public MMMAStreamHandlerListener

{

public: // Construction

    /**

     * Creates new player.

     */

    static CMMAAudioStreamPlayer* NewLC(

        CMMAEMCResolver* aResolver);

    //   Destructor

    ~CMMAAudioStreamPlayer();

protected:

    //   C++ constructor

    CMMAAudioStreamPlayer(CMMAEMCResolver* aResolver);

    void ConstructL();

private: // New methods

    /**

     * Starts playback and posts started event.

     */

    void PrivateStartL();

public: // New methods

    /**

     * Pause playback without sending stopped event or changing state

     */

    TInt Pause();

public: // from CMMAPlayer

    void DeallocateL();

    void PrefetchL();

    CMMASourceStream* AddSourceStreamL(JNIEnv* aJNIEnv,

                                       CMMAEventSource* aEventSource,

                                       jobject aReader);

    void GetDuration(TInt64* aDuration);

    void StopL(TBool aPostEvent);

protected: // From CMMAEMCAudioPlayer

    void PlayCompleteL(TInt aError);

public:

    void AddDataSourceToStreamL();

    void CreateStreamL();

    CMetaDataUtility* MetaDataUtilityOwnership();

public: // from MMMAStreamHandlerListener

    void PrepareComplete(TInt aError);

    void StartComplete(TInt aError);

    void HandleError(TInt aError);

public: // from MControlObserver

    void Event(MControl* aControl,

               TUint aEventType,

               TAny* aEventObject);

private: // data

    // owned stream handler

    CMMAStreamHandler* iStreamHandler;

    // controller's state, prime panics if called twice

    TBool iControllerPrimed;

    // created here and ownership is transferred to

    // CMMAAudioStreamMetaDataControl by call to

    // MetaDataUtilityOwnership()

    CMetaDataUtility* iMetaDataUtility;

};

#endif // CMMAAUDIOSTREAMPLAYER_H