/*

* 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:  Field event queue implementation

*

*/

#include "cmrsystemnotifier.h"

#include "cesmrfieldeventqueue.h"

#include "cesmrfieldcommandevent.h"

#include "esmrdef.h"

#include "emailtrace.h"

#include <bacntf.h>

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

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

CMRSystemNotifier::CMRSystemNotifier( CESMRFieldEventQueue& aEventQueue )

:   iEventQueue( aEventQueue )

    {

    FUNC_LOG;

    }

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

CMRSystemNotifier::~CMRSystemNotifier()

    {

    FUNC_LOG;

    delete iSystemNotifier;

    }

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

CMRSystemNotifier* CMRSystemNotifier::NewL( 

            CESMRFieldEventQueue& aEventQueue )

    {

    FUNC_LOG;

    CMRSystemNotifier* self = new (ELeave) CMRSystemNotifier( aEventQueue );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

void CMRSystemNotifier::ConstructL()

    {

    FUNC_LOG;

    }

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

void CMRSystemNotifier::StartL()

    {

    FUNC_LOG;

    if ( !iSystemNotifier )

        {

        TCallBack envCallback( EnvChangeCallbackL, this );

        iSystemNotifier = 

                CEnvironmentChangeNotifier::NewL(

                        EPriorityNormal,

                        envCallback );

        iSystemNotifier->Start();

        }    

    }

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

void CMRSystemNotifier::Stop()

    {

    FUNC_LOG;

    delete iSystemNotifier;

    iSystemNotifier = NULL;

    }

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

// CMRSystemNotifier::CESMRFieldEventQueue

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

//

TInt CMRSystemNotifier::EnvChangeCallbackL( TAny* aThisPtr )

    {

    CMRSystemNotifier* thisObject = static_cast<CMRSystemNotifier*>(aThisPtr);

    ASSERT( thisObject );

    thisObject->DoEnvChangeL();

    return KErrNone;

    }

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

// CMRSystemNotifier::DoEnvChangeL

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

//

void CMRSystemNotifier::DoEnvChangeL()

    {

    FUNC_LOG;

    // EChangesLocale

    TInt change( iSystemNotifier->Change() );

    if ( EChangesLocale & change )

        {

        // Broadcast MRUI event

        iEventQueue.NotifyEventAsyncL( 

                CESMRFieldCommandEvent::NewL( NULL, EMRCmdDoEnvironmentChange) );

        }

    }

// EOF