/*

 * 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 <tmseffectobsrvr.h>

#include "tmsutility.h"

#include "tmscallproxy.h"

#include "tmsqueuehandler.h"

#include "tmsgaineffectbodyimpl.h"

using namespace TMS;

TMSGainEffectBodyImpl::TMSGainEffectBodyImpl() :

    iObserver(NULL),

    iProxy(NULL),

    iParent(NULL)

    {

    }

TMSGainEffectBodyImpl::~TMSGainEffectBodyImpl()

    {

    TRACE_PRN_FN_ENT;

    TRACE_PRN_FN_EXT;

    }

gint TMSGainEffectBodyImpl::Create(TMSGainEffectBody*& bodyimpl)

    {

    gint ret(TMS_RESULT_INSUFFICIENT_MEMORY);

    TMSGainEffectBodyImpl* self = new TMSGainEffectBodyImpl();

    if (self)

        {

        ret = self->PostConstruct();

        if (ret != TMS_RESULT_SUCCESS)

            {

            delete self;

            self = NULL;

            }

        }

    bodyimpl = self;

    return ret;

    }

gint TMSGainEffectBodyImpl::PostConstruct()

    {

    gint ret(TMS_RESULT_SUCCESS);

    return ret;

    }

gint TMSGainEffectBodyImpl::AddObserver(TMSEffectObserver& obsrvr,

        gpointer user_data)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (!iObserver)

        {

        iObserver = &obsrvr;

        iUserData = user_data;

        }

    else

        {

        ret = TMS_RESULT_ALREADY_EXIST;

        }

    return ret;

    }

gint TMSGainEffectBodyImpl::RemoveObserver(TMSEffectObserver& obsrvr)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (&obsrvr == iObserver)

        {

        iObserver = NULL;

        }

    else

        {

        ret = TMS_RESULT_DOES_NOT_EXIST;

        }

    return ret;

    }

gint TMSGainEffectBodyImpl::GetLevel(guint& level)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (iProxy)

        {

        ret = iProxy->GetGain(level);

        }

    else

        {

        ret = TMS_RESULT_DOES_NOT_EXIST;

        }

    return ret;

    }

gint TMSGainEffectBodyImpl::SetLevel(const guint level)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (iProxy)

        {

        ret = iProxy->SetGain(level);

        }

    else

        {

        ret = TMS_RESULT_DOES_NOT_EXIST;

        }

    return ret;

    }

gint TMSGainEffectBodyImpl::GetMaxLevel(guint& level)

    {

    gint ret(TMS_RESULT_SUCCESS);

    if (iProxy)

        {

        ret = iProxy->GetMaxGain(level);

        }

    else

        {

        ret = TMS_RESULT_DOES_NOT_EXIST;

        }

    return ret;

    }

gint TMSGainEffectBodyImpl::GetType(TMSEffectType& effecttype)

    {

    gint ret(TMS_RESULT_SUCCESS);

    effecttype = TMS_EFFECT_GAIN;

    return ret;

    }

void TMSGainEffectBodyImpl::SetParent(TMSEffect*& parent)

    {

    iParent = parent;

    }

void TMSGainEffectBodyImpl::SetProxy(TMSCallProxy* aProxy,

        gpointer queuehandler)

    {

    iProxy = aProxy;

    if (queuehandler)

        {

        static_cast<TMSQueueHandler*>(queuehandler)->AddObserver(*this,

                TMS_EFFECT_GAIN);

        }

    }

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

        void* /*user_data*/)

    {

    TMSSignalEvent event = {}; //all elements initialized to zeros

    event.type = TMS_EVENT_EFFECT_GAIN_CHANGED;

    event.reason = aError;

    if (iObserver && iParent && aEventType == TMS_EVENT_EFFECT_GAIN_CHANGED)

        {

        iObserver->EffectsEvent(*iParent, event);

        }

    }