/*

* Copyright (c) 2002-2006 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:  ?Description

*

*/

// INCLUDES

#include "CAknCommonDialogsRadioButtonSettingPage.h"

#include "MAknCommonDialogsEventObserver.h"

#include "CAknMemorySelectionDialog.h"

#include "CAknMemorySelectionModel.h"

#include <AknTasHook.h> // for testability hooks

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

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

// CAknCommonDialogsRadioButtonSettingPage::CAknCommonDialogsRadioButtonSettingPage

//

//

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

//

CAknCommonDialogsRadioButtonSettingPage::CAknCommonDialogsRadioButtonSettingPage(

    TInt aResourceId,

    TInt& aCurrentSelectionItem,

    const MDesCArray* aItemArray,

    MAknCommonDialogsEventObserver& aObserver, 

    CAknMemorySelectionModel* aModel )

    :   CAknRadioButtonSettingPage( aResourceId, aCurrentSelectionItem, aItemArray ),

        iObserver( aObserver ), iModel( aModel )

    {

    AKNTASHOOK_ADD( this, "CAknCommonDialogsRadioButtonSettingPage" );

    }

// Destructor

CAknCommonDialogsRadioButtonSettingPage::~CAknCommonDialogsRadioButtonSettingPage()

    {

    AKNTASHOOK_REMOVE();

    }

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

// CAknCommonDialogsRadioButtonSettingPage::Cba

//

//

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

//

CEikButtonGroupContainer* CAknCommonDialogsRadioButtonSettingPage::Cba() const

    {

    return CAknSettingPage::Cba();

    }

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

// CAknCommonDialogsRadioButtonSettingPage::OkToExitL

//

//

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

//

TBool CAknCommonDialogsRadioButtonSettingPage::OkToExitL( TBool aAccept )

    {

    // If user accepts a selection

    if( aAccept )

        {

        CAknSetStyleListBox* lb = ListBoxControl();

        TInt focus( lb->CurrentItemIndex() );

        TInt topIndex( lb->TopItemIndex() );

        if( iObserver.HandleEventL(

            MAknCommonDialogsEventObserver::ELeftSoftkeyPress, focus, topIndex, NULL )

            != MAknCommonDialogsEventObserver::ETryingToExit )

            {

            return EFalse;

            }

        else

            {

            UpdateAndRedrawItemL();

            }

        }

    return CAknRadioButtonSettingPage::OkToExitL( aAccept );

    }

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

// CAknCommonDialogsRadioButtonSettingPage::OfferKeyEventL

//

//

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

//

TKeyResponse CAknCommonDialogsRadioButtonSettingPage::OfferKeyEventL(

        const TKeyEvent& aKeyEvent, TEventCode aType )

    {

    if( aType == EEventKey )

        {

        CAknSetStyleListBox* lb = ListBoxControl();

        switch( aKeyEvent.iCode )

            {

            case EKeyUpArrow:

            case EKeyDownArrow:

                {

                // Get current item index

                TInt oldIndex( lb->CurrentItemIndex() );

                // Call OfferKeyEventL

                TKeyResponse response(

                    CAknSettingPage::OfferKeyEventL( aKeyEvent, aType ) );

                // Get new item index

                TInt newIndex( lb->CurrentItemIndex() );

                // Compare new and old index

                if( oldIndex != newIndex )

                    {

                    // Notify focus change only if focus actually changes

                    // Top item index value is zero because there is no need to

                    // know what it is in focus change.

                    oldIndex = 0;

                    iObserver.HandleEventL( MAknCommonDialogsEventObserver::EFocusChange,

                        newIndex, oldIndex, Cba() );

                    }

                iUpdateItem = EFalse;    

                return response;

                // No break needed after return

                }

            case EKeyOK:

                {

                TInt focus( lb->CurrentItemIndex() );

                TInt topIndex( lb->TopItemIndex() );

                if( iObserver.HandleEventL(

                    MAknCommonDialogsEventObserver::ESelectionKeyPress, focus, topIndex, Cba() )

                    == MAknCommonDialogsEventObserver::ETryingToExit )

                    {

                    HideMenu();

                    SelectCurrentItemL();

                    AttemptExitL( ETrue );

                    }

                return EKeyWasConsumed;

                // No break needed after return

                }

            case EKeyEscape:

                {

                AttemptExitL( EFalse );

                return EKeyWasConsumed;

                // No break needed after return

                }

            default:

                {

                break;

                }

            }

        }

    else if( aType == EEventKeyUp )

        {

        if( iUpdateItem )

            {

            UpdateAndRedrawItemL();	

            }

        else

            {

        	iUpdateItem = ETrue;

            }

        }    

    return CAknSettingPage::OfferKeyEventL( aKeyEvent, aType );

    }

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

// CAknCommonDialogsRadioButtonSettingPage::UpdateAndRedrawItemL( )

//

//

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

//     

void CAknCommonDialogsRadioButtonSettingPage::UpdateAndRedrawItemL()

    {

    iModel->UpdateItemsL();

    const CListBoxView::CSelectionIndexArray* selections =

                            ListBoxControl()->View()->SelectionIndexes();

    SetItemArrayAndSelectionL(iModel, (*selections)[0]);

    }

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

// CAknCommonDialogsRadioButtonSettingPage::ProcessCommandL(TInt aCommandId)

//

//

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

//  

void CAknCommonDialogsRadioButtonSettingPage::ProcessCommandL(TInt aCommandId)

    {

    if(!IsEditable() && !(aCommandId == EAknSoftkeyBack || aCommandId == EAknSoftkeyCancel))

        {

        return;

        }

    HideMenu();

    // Respond to softkey events

    switch (aCommandId)

        {

        case EAknSoftkeyOk:

        case EAknSoftkeySelect:  

        case EAknSoftkeyDone:            

            {

            SelectCurrentItemL(); // has non-trivial implemenations in listbox type 

            // controls to put the selection on the current item

            AttemptExitL(ETrue);

            break;  

            }

        case EAknSoftkeyBack:

        case EAknSoftkeyCancel:

            AttemptExitL(EFalse);

            break;

        case EAknSoftkeyOptions:

            DisplayMenuL();

            break;

        default:

            break;

        }

    }

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

// CAknCommonDialogsRadioButtonSettingPage::NotifyDrivesChangedL

//

//

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

//

void CAknCommonDialogsRadioButtonSettingPage::NotifyDrivesChangedL(

    const MDesCArray* aItemArray)

    {

    // Update memory names & keep old selection

    const CListBoxView::CSelectionIndexArray* selections =

        ListBoxControl()->View()->SelectionIndexes();

    SetItemArrayAndSelectionL(aItemArray, (*selections)[0]);

    // Enable button in CBA

    CEikButtonGroupContainer* cba = Cba();

    MEikButtonGroup* buttonGroup = cba->ButtonGroup();

    cba->MakeCommandVisible( buttonGroup->CommandId( 0 ),

                                TBool( ETrue ) );

    }

//  End of File