/*

 * 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

 *

 */

#include <tms.h>

#include <tmsclientsourceobsrvr.h>

#include "tmscallproxy.h"

#include "tmsmembuffer.h"

#include "tmsqueuehandler.h"

#include "tmsclientsourcebodyimpl.h"

using namespace TMS;

TMSClientSourceBodyImpl::TMSClientSourceBodyImpl() :

    iObserver(NULL),

    iProxy(NULL)

    {

    iQueueMode = false;

    }

TMSClientSourceBodyImpl::~TMSClientSourceBodyImpl()

    {

    }

gint TMSClientSourceBodyImpl::Create(TMSClientSourceBody*& bodyimpl)

    {

    gint ret(TMS_RESULT_INSUFFICIENT_MEMORY);

    TMSClientSourceBodyImpl* self = new TMSClientSourceBodyImpl;

    if (self)

        {

        ret = self->PostConstruct();

        if (ret != TMS_RESULT_SUCCESS)

            {

            delete self;

            self = NULL;

            }

        }

    bodyimpl = self;

    return ret;

    }

gint TMSClientSourceBodyImpl::PostConstruct()

    {

    gint ret(TMS_RESULT_SUCCESS);

    return ret;

    }

gint TMSClientSourceBodyImpl::AddObserver(TMSClientSourceObserver& obsrvr,

        gpointer user_data)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (!iObserver)

        {

        iObserver = &obsrvr;

        iUserData = user_data;

        }

    else

        {

        ret = TMS_RESULT_ALREADY_EXIST;

        }

    return ret;

    }

/**

 * Remove a stream observer from this stream.

 *

 * This function can be called at any time. It is recommended to remove

 * observer after calling Deinit() on stream. Else observer may receive

 * a callback that is alread dispatched.

 *

 * @param  obsrvr

 *      The listener to remove.

 *

 * @return

 *      TMS_RESULT_SUCCESS if the obsrvr is removed successfully from list.

 *      TMS_RESULT_DOES_NOT_EXIST if obsrvr is not already in the list.

 *

 */

gint TMSClientSourceBodyImpl::RemoveObserver(TMSClientSourceObserver& obsrvr)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (&obsrvr == iObserver)

        {

        iObserver = NULL;

        }

    else

        {

        ret = TMS_RESULT_DOES_NOT_EXIST;

        }

    return ret;

    }

// In pull mode, client calls this.

// TODO: How to identify last buffer.

// Option 1 is to move setlast buffer to TMSBuffer interface.

// Option 2 is to have overloaded function with another parameter.

gint TMSClientSourceBodyImpl::BufferFilled(TMSBuffer& buffer)

    {

    // TODO send stream attributes here

    gint ret(TMS_RESULT_SUCCESS);

    ret = iProxy->BufferFilled(TMS_CALL_IP,

                               TMS_STREAM_DOWNLINK,

                               iStreamId,

                               buffer);

    return ret;

    }

// Push mode

gint TMSClientSourceBodyImpl::ProcessBuffer(TMSBuffer* /*buffer*/)

    {

    gint ret(TMS_RESULT_FEATURE_NOT_SUPPORTED);

    return ret;

    }

// Indicates framework to queue ProcessBuffer. default is off

// unsupported in pull mode??? (atleast initially)

gint TMSClientSourceBodyImpl::SetEnqueueMode(const gboolean /*enable*/)

    {

    gint ret(TMS_RESULT_FEATURE_NOT_SUPPORTED);

    //iQueueMode = enable;

    return ret;

    }

gint TMSClientSourceBodyImpl::GetEnqueueMode(gboolean& enable)

    {

    gint ret(TMS_RESULT_FEATURE_NOT_SUPPORTED);

    enable = iQueueMode;

    return ret;

    }

// Sends batch data to framework and clears queue mode.

// Valid only when queue mode is set, otherwise no-op

gint TMSClientSourceBodyImpl::Flush()

    {

    gint ret(TMS_RESULT_FEATURE_NOT_SUPPORTED);

    return ret;

    }

gint TMSClientSourceBodyImpl::GetType(TMSSourceType& sourcetype)

    {

    gint ret(TMS_RESULT_SUCCESS);

    sourcetype = TMS_SOURCE_CLIENT;

    return ret;

    }

void TMSClientSourceBodyImpl::SetProxy(TMSCallProxy* aProxy, gint strmid,

        gpointer queuehandler)

    {

    iProxy = aProxy;

    iStreamId = strmid;

    ((TMSQueueHandler*) queuehandler)->AddObserver(*this, TMS_SOURCE_CLIENT);

    }

void TMSClientSourceBodyImpl::QueueEvent(TInt aEventType, TInt aError,

        void* user_data)

    {

    if (iObserver)

        {

        switch (aEventType)

            {

            case TMS_EVENT_SOURCE_FILL_BUFFER:

                iObserver->FillBuffer(*((TMSBuffer*) user_data));

                break;

            case TMS_EVENT_SOURCE_PROCESSED_BUFFER:

                iObserver->BufferProcessed((TMSBuffer*) user_data, aError);

                break;

            default:

                break;

            }

        }

    }

// End of file