/*

* 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: 

*

*/

#include <bacntf.h>

#include "nmhswidgetdatetimeobserver.h"

#include "nmhswidgetdatetimeobserver_p.h"

#include "emailtrace.h"

/*!

    \fn NmHsWidgetDateTimeObserverPrivate::NmHsWidgetDateTimeObserverPrivate()

    /param q pointer to public interface

    /post Observer listens to environment change events via callback

*/

NmHsWidgetDateTimeObserverPrivate::NmHsWidgetDateTimeObserverPrivate(NmHsWidgetDateTimeObserver *q) :

    q_ptr(q)

{

    NM_FUNCTION;

    TCallBack callback( LocaleChangeCallback, this );

    iLocaleNotifier->Start();

}

/*!

    \fn NmHsWidgetDateTimeObserverPrivate::~NmHsWidgetDateTimeObserverPrivate()

    Destructor

*/

NmHsWidgetDateTimeObserverPrivate::~NmHsWidgetDateTimeObserverPrivate()

{

    NM_FUNCTION;

    delete iLocaleNotifier;

    iLocaleNotifier = NULL;

}

/*!

    \fn TInt NmHsWidgetDateTimeObserverPrivate::HandleLocaleChange()

    /post If event includes change for system time, locale or midnight crossover

          indicates poblic interface about the change

    /return Returns count of handled change events

*/

TInt NmHsWidgetDateTimeObserverPrivate::HandleLocaleChange()

{

    NM_FUNCTION;

    TInt handled = 0;

    if( iLocaleNotifier->Change() & ( EChangesSystemTime | EChangesLocale | EChangesMidnightCrossover ))

        {

        q_ptr->handleCompletion();

        handled = 1;

        }

    return handled;

}

/*!

    \fn TInt NmHsWidgetDateTimeObserverPrivate::LocaleChangeCallback(TAny* aThisPtr)

    /param aThisPtr Pointer to tis observer from callback object

    /post Event is checked and handled if valid change

    /return Returns count of handled change events

*/

TInt NmHsWidgetDateTimeObserverPrivate::LocaleChangeCallback(TAny* aThisPtr)

{

    NM_FUNCTION;

    TInt ret = static_cast<NmHsWidgetDateTimeObserverPrivate*>(aThisPtr)->HandleLocaleChange();

    return ret;

}