/*

* Copyright (c) 2006 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:  Monitor for language settings.

*

*/

// INCLUDE FILES

#include <bautils.h>

#include <AknFepInternalCRKeys.h>

#include "cphonelangsettingmonitor.h"

#include "mphonelangsettingobserver.h"

#include "phonelogger.h"

#include "cphonecenrepproxy.h"

#include "mphonecenrepobserver.h"

// CONSTANTS

// FORWARD DECLARATIONS

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

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

// CPhoneLangSettingMonitor::CPhoneLangSettingMonitor

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

// might leave.

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

//

CPhoneLangSettingMonitor::CPhoneLangSettingMonitor()

    {

    }

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

// CPhoneLangSettingMonitor::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CPhoneLangSettingMonitor::ConstructL()

    {

    TInt language(1); // english

    TInt err = KErrNone;

    if ( err == KErrNone )

        {

        iInputLanguageSetting = language;    

        }             

    // Start listen changes in setting and image path

    CPhoneCenRepProxy::Instance()->NotifyChangeL(

        KCRUidAknFep, 

        KAknFepInputTxtLang,

        this );       

    }

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

// CPhoneLangSettingMonitor::NewL

// Two-phased constructor.

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

//

CPhoneLangSettingMonitor* CPhoneLangSettingMonitor::NewL()

    {

    CPhoneLangSettingMonitor* self = 

        new (ELeave) CPhoneLangSettingMonitor();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CPhoneLangSettingMonitor::~CPhoneLangSettingMonitor()

    {

    iObserverArray.ResetAndDestroy();

    }

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

// CPhoneLangSettingMonitor::AddObserverL

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

//

void CPhoneLangSettingMonitor::AddObserverL(

    MPhoneLangSettingObserver& aObserver )

    {

    if ( iObserverArray.Find( &aObserver ) != KErrNone )

        {

        User::LeaveIfError( iObserverArray.Append( &aObserver ) );

        }

    }

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

// CPhoneLangSettingMonitor::RemoveObserver

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

//

void CPhoneLangSettingMonitor::RemoveObserver(

    MPhoneLangSettingObserver& aObserver )

    {

    TInt index;

    if ( iObserverArray.FindInAddressOrder( &aObserver, index ) == KErrNone )

        {

        iObserverArray.Remove( index );

        }

    }

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

// CPhoneLangSettingMonitor::HandleCenRepChangeL

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

//

void CPhoneLangSettingMonitor::HandleCenRepChangeL( 

    const TUid& aUid,

    const TUint aId )

    {

    __LOGMETHODSTARTEND(EPhoneControl, 

        "CPhoneLangSettingMonitor::HandleCenRepChangeL( )");

    if ( aUid == KCRUidAknFep && aId == KAknFepInputTxtLang )

        {

        TInt language(1); // english

        TInt err( CPhoneCenRepProxy::Instance()->GetInt(

            KCRUidAknFep,

            KAknFepInputTxtLang,

            language ));

        if ( err == KErrNone && iInputLanguageSetting != language )

            {           

            iInputLanguageSetting = language;

            // Notify change to the observers.

            for ( TInt i = 0; i < iObserverArray.Count(); i++ ) 

                {

                iObserverArray[i]->HandleInputLanguageSettingChange( 

                    iInputLanguageSetting );

                }    

            }   

        }      

    }

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

// CPhoneLangSettingMonitor::Language

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

//

TInt CPhoneLangSettingMonitor::InputLanguage() const

    {

    return iInputLanguageSetting;

    }

//  End of File