/*

 * Copyright (c) 2009 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: Telephony Multimedia Service

 *

 */

#ifndef TMS_STREAM_BODY_IMPL_H

#define TMS_STREAM_BODY_IMPL_H

#include <e32base.h>

#include <tms.h>

#include "tmsqueuehandler.h"

#include "tmsstreambody.h"

#include "tmsglobalcontext.h"

namespace TMS {

// FORWARD DECLARATIONS

class TMSStreamObserver;

class TMSSource;

class TMSSink;

class TMSForamt;

class TMSEffect;

class TMSCallProxy;

class TMSStream;

class TMSBuffer;

class TMSFormat;

// TMSStreamBodyImpl class

class TMSStreamBodyImpl : public TMSStreamBody,

                          public MQueueHandlerObserver

    {

    enum TQueueType

        {

        EMsgBufQueue,

        EMsgComQueue

        };

public:

    static gint Create(TMSCallType callType, TMSStreamType stype,

            TMSCallProxy* proxy, TMSStream& parent, TMSStreamBody*& bodyimpl);

    virtual ~TMSStreamBodyImpl();

    // From TMSStreamBody

    virtual gint AddObserver(TMSStreamObserver& obsrvr, gpointer user_data);

    virtual gint RemoveObserver(TMSStreamObserver& obsrvr);

    virtual gint AddSource(TMSSource* source);

    virtual gint RemoveSource(TMSSource* source);

    virtual gint AddSink(TMSSink* sink);

    virtual gint RemoveSink(TMSSink* sink);

    virtual gint SetFormat(TMSFormat* format);

    virtual gint ResetFormat(TMSFormat* format);

    virtual gint AddEffect(TMSEffect* effect);

    virtual gint RemoveEffect(TMSEffect* effect);

    virtual TMSStreamState GetState();

    virtual TMSStreamType GetStreamType();

    virtual gint GetStreamId();

    virtual gint Init();

    virtual gint Pause();

    virtual gint Start();

    virtual gint Stop();

    virtual void Deinit();

    // From MQueueHandlerObserver

    virtual void QueueEvent(TInt aEventType, TInt aError, void* user_data);

private:

    TMSStreamBodyImpl();

    gint PostConstruct(TMSCallType callType, TMSStreamType stype,

            TMSCallProxy* proxy, TMSStream& parent);

    gint CreateQueue(const gint aNumSlots);

    void ReceiveMsgQHandlerEventsL();

    gint ValidateStream();

    gint ValidateSource(TMSSource* source);

    gint ValidateSink(TMSSink* sink);

    gint ValidateFormat(TMSFormat* format);

private:

    TMSCallProxy* iProxy;

    TMSStream* iParent;

    TMSCallType iCallType;

    TMSStreamType iStreamType;

    gint iStreamId;

    // Source

    TMSSource* iSource;

    TMSSink* iSink;

    // Message queue and the handler

    RMsgQueue<TmsMsgBuf> iMsgQueue;

    TMSQueueHandler* iMsgQHandler;

    // Need to make this a list

    TMSStreamObserver* iObserver;

    gpointer iUserData;

    RPointerArray<TMSEffect> iEffectsList;

    TMSFormat* iFormat;

    TMSGlobalContext iContext;

    TMSStreamState iStreamState;

    TMSStreamState iPrevState;

    };

} //namespace TMS

#endif // TMS_STREAM_BODY_IMPL_H

// End of file