mmserv/tms/tmscallserver/src/tmscsdownlink.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 15 Jul 2010 19:13:36 +0300
branchRCL_3
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permissions -rw-r--r--
Revision: 201025 Kit: 2010127
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/*
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 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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 * All rights reserved.
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 * This component and the accompanying materials are made available
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 * under the terms of "Eclipse Public License v1.0"
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 * which accompanies this distribution, and is available
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 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
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 *
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 * Initial Contributors:
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 * Nokia Corporation - initial contribution.
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 *
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 * Contributors:
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 *
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 * Description: Telephony Multimedia Service
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 *
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 */
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#include <AudioPreference.h>
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#include "tmscsdownlink.h"
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#include "tmscsdevsoundobserver.h"
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using namespace TMS;
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const gint KDefaultVolume = 4;
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const gint KDefaultMaxVolume = 10;
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// -----------------------------------------------------------------------------
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// Constructor
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// -----------------------------------------------------------------------------
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//
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TMSCSDownlink::TMSCSDownlink(TMSCSDevSoundObserver& observer) :
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    TMSCSDevSound(observer)
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    {
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    }
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// -----------------------------------------------------------------------------
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// Second phase constructor
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// -----------------------------------------------------------------------------
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//
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void TMSCSDownlink::ConstructL()
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    {
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    TMSCSDevSound::ConstructL(TMS_STREAM_DOWNLINK);
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    if (iDevSound)
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        {
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        iDevSound->SetVolume(KDefaultVolume);
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        }
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    }
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// -----------------------------------------------------------------------------
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// Static constructor
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// -----------------------------------------------------------------------------
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//
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TMSCSDownlink* TMSCSDownlink::NewL(TMSCSDevSoundObserver& observer)
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    {
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    TMSCSDownlink* self = new (ELeave) TMSCSDownlink(observer);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// Destructor
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// -----------------------------------------------------------------------------
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//
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TMSCSDownlink::~TMSCSDownlink()
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    {
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    }
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// -----------------------------------------------------------------------------
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// Sets volume
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// -----------------------------------------------------------------------------
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//
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void TMSCSDownlink::SetVolume(gint volume)
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    {
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    if (iDevSound)
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        {
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        gint maxVolume(iDevSound->MaxVolume());
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        maxVolume = (maxVolume > 0) ? maxVolume : KDefaultMaxVolume;
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        gint scaledVolume = (volume * maxVolume) / KDefaultMaxVolume;
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        iDevSound->SetVolume(scaledVolume);
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        }
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    }
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// -----------------------------------------------------------------------------
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// Returns volume
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// -----------------------------------------------------------------------------
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//
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gint TMSCSDownlink::Volume()
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    {
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    gint vol = 0;
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    if (iDevSound)
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        {
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        vol = iDevSound->Volume();
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        }
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    return vol;
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    }
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// -----------------------------------------------------------------------------
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// Returns device's max volume
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// -----------------------------------------------------------------------------
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//
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gint TMSCSDownlink::MaxVolume()
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    {
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    gint vol = 0;
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    if (iDevSound)
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        {
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        vol = iDevSound->MaxVolume();
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        }
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    return vol;
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    }
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// -----------------------------------------------------------------------------
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// From class MDevSoundObserver
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// Downlink stream has been activated successfully.
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// -----------------------------------------------------------------------------
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//
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void TMSCSDownlink::BufferToBeFilled(CMMFBuffer* /*aBuffer*/)
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    {
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    //TRACE_PRN_N(_L("TMSCSDownlink::BufferToBeFilled"));
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    // We dont react to devsound messages unless we are activating.
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    if (iActivationOngoing)
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        {
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        iActive = ETrue;
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        iActivationOngoing = EFalse;
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        iObserver.DownlinkActivationCompleted(KErrNone);
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        }
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    }
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// -----------------------------------------------------------------------------
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// From class MDevSoundObserver
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// Downlink stream activation failed
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// -----------------------------------------------------------------------------
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//
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void TMSCSDownlink::PlayError(TInt aError)
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    {
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    //TRACE_PRN_N1(_L("TMSCSDownlink::PlayError[%d]"), aError);
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    // We don't react to devsound errors unless we are activating.
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    if (iActivationOngoing && aError == KErrAccessDenied)
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        {
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        iActivationOngoing = EFalse;
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        iObserver.DownlinkActivationCompleted(aError);
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        }
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    }
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// -----------------------------------------------------------------------------
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// From class TMSCSDevSound
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// Activates Downlink stream.
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// -----------------------------------------------------------------------------
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//
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void TMSCSDownlink::DoActivateL()
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    {
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    if (iDevSound)
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        {
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        iDevSound->PlayInitL();
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        }
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    }
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//  End of File