/*

* Copyright (c) 2005 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 module contains the implementation of CPEAudioOutputPreferenceMonitor class 

*

*/

// INCLUDES

#include "cpeaudiooutputpreferencemonitor.h"

#include "cpepubsubmonitor.h"

#include "mpephonemodelinternal.h"

#include <e32property.h>

#include <mpedatastore.h>

#include <talogger.h>

#include <telinternalpskeys.h>

// ================= MEMBER FUNCTIONS =======================

// -----------------------------------------------------------------------------

// CPEAudioOutputPreferenceMonitor::NewL

// Two-phased constructor.

// -----------------------------------------------------------------------------

CPEAudioOutputPreferenceMonitor* CPEAudioOutputPreferenceMonitor::NewL(

        MPEPhoneModelInternal& aModel ) 

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEAudioOutputPreferenceMonitor::NewL");

    CPEAudioOutputPreferenceMonitor* self = new (ELeave) CPEAudioOutputPreferenceMonitor( aModel );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return( self );

    }

// -----------------------------------------------------------------------------

// CPEAudioOutputPreferenceMonitor::CPEAudioOutputPreferenceMonitor

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

//

CPEAudioOutputPreferenceMonitor::CPEAudioOutputPreferenceMonitor(

        MPEPhoneModelInternal& aModel

        ): CPEPubSubMonitor( aModel )

    {

    }

// -----------------------------------------------------------------------------

// CPEAudioOutputPreferenceMonitor::ConstructL

// Symbian 2nd phase constructor can leave.

// -----------------------------------------------------------------------------

//

void CPEAudioOutputPreferenceMonitor::ConstructL()

    {

    TEFLOGSTRING( KTAOBJECT, "PE CPEAudioOutputPreferenceMonitor::ConstructL");

    BaseConstructL( KPSUidTelAudioPreference, KTelAudioOutput, RProperty::EInt );

    //  Now retrieve the value

    TInt value;

    TInt error = Get( value );

    // if not able to retrieve the value, set it to the default value

    if ( error != KErrNone )

        {   

        value = EPSAudioPrivate;

        }

    iModel.DataStore()->SetAudioOutputPreference( static_cast<EPSTelAudioOutput>(value) );

    }

// -----------------------------------------------------------------------------

// CPECenRepMonitor::UpdateL

// -----------------------------------------------------------------------------

//

void CPEAudioOutputPreferenceMonitor::UpdateL()

    {

    TEFLOGSTRING( KTAINT, "PE CPEAudioOutputPreferenceMonitor::UpdateL" );

    //  Now retrieve the value

    TInt value;

    User::LeaveIfError(Get(value)); 

    TInt old = iModel.DataStore()->AudioOutputPreference();

    // If value has not changed, do not send message about change.

    // This reason for this check is that during phone startup sequence,

    // the key gets updated but phoneengine already has te value correctly.

    if (value != old)

        {

        iModel.DataStore()->SetAudioOutputPreference( static_cast<EPSTelAudioOutput>(value) );    

        iModel.SendMessage( MEngineMonitor::EPEMessageAudioOutputPreferenceChanged );

        }

    }

// End of file