/*

* Copyright (c) 2010 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:  Notify service class about connection state.

*

*/

#include "cautoaudioasypropertyobserver.h" 

#include "autoaudiopskeys.h"

#include "mautoaudioasypropertylistener.h"

#include "acc_debug.h"

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

// CAutoAudioAsyPropertyObserver::NewL

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

CAutoAudioAsyPropertyObserver* CAutoAudioAsyPropertyObserver::NewL ( TUid aCategory, TUint aKey,

        MAutoAudioAsyPropertyListener& aListener )

	{

    COM_TRACE_1 ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::NewL(), key- %d", aKey );

    return new ( ELeave ) CAutoAudioAsyPropertyObserver ( aCategory, aKey, aListener );

	}

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

// CAutoAudioAsyPropertyObserver::CAutoAudioAsyPropertyObserver

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

CAutoAudioAsyPropertyObserver::CAutoAudioAsyPropertyObserver ( TUid aCategory, TUint aKey,

        MAutoAudioAsyPropertyListener& aListener ):

    CActive ( EPriorityStandard ),

    iCategory ( aCategory ), iKey ( aKey ), iListener ( aListener )

    {

    CActiveScheduler::Add ( this );    

    iProperty.Attach ( iCategory, iKey );

    iProperty.Subscribe ( iStatus );

    SetActive ();

    }

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

// CAutoAudioAsyPropertyObserver::~CAutoAudioAsyPropertyObserver

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

CAutoAudioAsyPropertyObserver::~CAutoAudioAsyPropertyObserver ()

    {

    COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::~CAutoAudioAsyPropertyObserver");

    Cancel ();

    iProperty.Close ();

    }

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

// CAutoAudioAsyPropertyObserver::RunL

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

void CAutoAudioAsyPropertyObserver::RunL ()

    {                      

    COM_TRACE_ ( "AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::RunL");

    TInt status = iStatus.Int ();

    COM_TRACE_3 ( "[AccFW:AutoAudioAsy] key 0x%08x/%u changed, status %d", iCategory.iUid, iKey, status );

    // Subscribe for the next change BEFORE invoking the listener to make sure

    // that we never miss any property changes.

    iProperty.Subscribe ( iStatus );

    SetActive ();

    // Notify the listener

    iListener.PropertyChange ( iProperty, iCategory, iKey, status );

    }

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

// CAutoAudioAsyPropertyObserver::DoCancel

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

void CAutoAudioAsyPropertyObserver::DoCancel ()

    {

    COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::DoCancel" );

    iProperty.Cancel ();

    }    

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

// CAutoAudioAsyPropertyObserver::RunError

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

TInt CAutoAudioAsyPropertyObserver::RunError ( TInt /* aError */ )

	{

    COM_TRACE_ ( "[AccFW:AutoAudioAsy] CAutoAudioAsyPropertyObserver::RunError" );

    return KErrNone;

	}