/*

* 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:  Declaration of class CWlanSettingsUiScanIntervalSettingItem.

*

*/

// INCLUDE FILES

#include "wlansettingsui.hrh"

#include "wlansettingsuimodel.h"

#include "wlansettingsuiscanintervalsettingitem.h"

#include <wlansettingsui.rsg>

#include <AknQueryDialog.h>

#include <StringLoader.h>

#include <aknnotewrappers.h>

// CONSTANTS

/**

* User defined scan interval minimum

*/

const TInt KScanIntervalMin = EWlanSettingsUiScanNetworkMin;

/**

* User defined scan interval maximum

*/

const TInt KScanIntervalMax = EWlanSettingsUiScanNetworkMax;

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

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

// CWlanSettingsUiScanIntervalSettingItem::

//                                      CWlanSettingsUiScanIntervalSettingItem

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

//

CWlanSettingsUiScanIntervalSettingItem::

    CWlanSettingsUiScanIntervalSettingItem( 

        TInt aResourceId, TInt& aListValue, TInt& aValue,

        CWlanSettingsUiModel* aModel ) : 

    CAknEnumeratedTextPopupSettingItem( aResourceId, aListValue ),

    iModel( aModel ),

    iValue( aValue ),

    iEnv( CEikonEnv::Static() ),

    iRevertBackToAutomaticScan( EFalse ) 

    {        

    };

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

// CWlanSettingsUiScanIntervalSettingItem::

//                                     ~CWlanSettingsUiScanIntervalSettingItem

// Destructor

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

//

CWlanSettingsUiScanIntervalSettingItem::

    ~CWlanSettingsUiScanIntervalSettingItem()

    {

    iSettingText.Close();

    }

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

// CWlanSettingsUiScanIntervalSettingItem::SettingTextL

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

//

const TDesC& CWlanSettingsUiScanIntervalSettingItem::SettingTextL()

    {

    HBufC* tempText;

    iSettingText.Close();

    if ( InternalValue() == EWlanSettingsUiScanNetworkAuto )

        {

        tempText = iEnv->AllocReadResourceL( R_WLAN_SETT_BG_SCAN_AUTO );

        }

    else

        {

        if ( iValue == 1 )

            {

            tempText = iEnv->AllocReadResourceL( R_WLAN_SETT_BG_SCAN_1_MIN );

            }

        else

            {

            tempText = StringLoader::LoadL( R_WLAN_SETT_BG_SCAN_X_MIN, iValue, iEnv );

            }

        }

    iSettingText.Assign( tempText );

    AknTextUtils::LanguageSpecificNumberConversion( iSettingText );

    return iSettingText;

    }

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

// CWlanSettingsUiScanIntervalSettingItem::EditItemL

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

//

void CWlanSettingsUiScanIntervalSettingItem::EditItemL( TBool aCalledFromMenu )

    {

    CAknEnumeratedTextPopupSettingItem::EditItemL( aCalledFromMenu );

    if ( iRevertBackToAutomaticScan )

        {

        // Scan mode needs to be reverted back to automatic because we are

        // either in power saving mode or user cancelled the user-defined

        // scan interval query

        SetInternalValue( EWlanSettingsUiScanNetworkAuto );

        SetSelectedIndex( IndexFromValue( EWlanSettingsUiScanNetworkAuto ) );

        UpdateListBoxTextL();

        iRevertBackToAutomaticScan = EFalse;

        }

    }

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

// CWlanSettingsUiScanIntervalSettingItem::HandleSettingPageEventL

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

//

void CWlanSettingsUiScanIntervalSettingItem::HandleSettingPageEventL(

        CAknSettingPage* aSettingPage,

        TAknSettingPageEvent aEventType )

    {

    if ( aEventType != EEventSettingCancelled )

        {

        CEikListBox* listBox = (CEikListBox*)aSettingPage->EditorControl();

        TInt index = listBox->CurrentItemIndex();

        if ( index == IndexFromValue( EWlanSettingsUiScanNetworkUserDef ) )

            {

            // User-defined scan interval selected

            if ( !iModel->PsmModeOn() )

                {

                if ( iValue == 0 )

                    {

                    // Set default scan interval for query dialog

                    iValue = KWlanSettingsUiDefaultUserDefScanInterval;

                    }

                if ( ShowScanIntervalQueryL() == FALSE )

                    {

                    // Dialog was cancelled, revert back to automatic scan?

                    if ( InternalValue() == EWlanSettingsUiScanNetworkAuto )

                        {

                        // Previous selection was automatic, revert back to

                        // automatic

                        iRevertBackToAutomaticScan = ETrue;

                        }

                    }

                }

            else

                {

                // We are in power saving mode, user-defined interval not allowed

                ShowPowerSavingInfoNoteL();

                iRevertBackToAutomaticScan = ETrue;

                }

            }

        }

    CAknSettingItem::HandleSettingPageEventL(aSettingPage, aEventType);

    }

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

// CWlanSettingsUiScanIntervalSettingItem::ShowScanIntervalQueryL

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

//

TBool CWlanSettingsUiScanIntervalSettingItem::ShowScanIntervalQueryL()

    {

    HBufC* msg = StringLoader::LoadLC( R_WLAN_PRMPT_BG_SCAN_INTERVAL );

    CAknNumberQueryDialog* dialog = CAknNumberQueryDialog::NewL( iValue );

    dialog->PrepareLC( R_WLAN_SETTINGS_UI_NUMBER_EDITOR_2 );

    dialog->SetPromptL( *msg );

    dialog->SetMinimumAndMaximum( KScanIntervalMin, KScanIntervalMax );

    TBool result = ( dialog->RunLD() == EAknSoftkeyOk );

    CleanupStack::PopAndDestroy( msg );

    return result; 

    }

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

// CWlanSettingsUiScanIntervalSettingItem::ShowPowerSavingInfoNoteL

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

//

void CWlanSettingsUiScanIntervalSettingItem::ShowPowerSavingInfoNoteL()

    {

    HBufC* prompt = StringLoader::LoadLC(

        R_WLAN_SETTINGS_UI_POWER_SAVING_INFONOTE );

    CAknInformationNote* note = new ( ELeave ) CAknInformationNote( ETrue );

    note->ExecuteLD( *prompt );

    CleanupStack::PopAndDestroy( prompt );                    

    }