/*

* 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:  Setting List

*

*/

// INCLUDE FILES 

#include <aknnotewrappers.h>

#include <aknsettingpage.h> 

#include <aknslidersettingpage.h> 

#include <eikfrlbd.h> 

#include <eikfrlb.h> 

#include <mpxlog.h>

#include <mpxaudioeffectsview.rsg>

#include <avkon.rsg>

#include <StringLoader.h>

// User Includes

#include "mpxaudioeffectsitems.h"

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

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

// CMPXAudioEffectsItems::CMPXAudioEffectsItems()

// Constructor

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

//  

CMPXAudioEffectsItems::CMPXAudioEffectsItems(CMPXAudioEffectsModel* aModel)

    {

    iModel = aModel;

    }

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

// CMPXAudioEffectsItems::~CMPXAudioEffectsItems()

// Destructor

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

//

CMPXAudioEffectsItems::~CMPXAudioEffectsItems()

    {

    }

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

// CMPXAudioEffectsItems::SizeChanged()

// (other items were commented in a header).

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

//

void CMPXAudioEffectsItems::SizeChanged()

    {

    if( ListBox() ) 

        {

        ListBox()->SetRect( Rect() );

        }

    }

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

// CMPXAudioEffectsItems::CreateSettingItemL()

// (other items were commented in a header).

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

//

CAknSettingItem* CMPXAudioEffectsItems::CreateSettingItemL(TInt aIdentifier)

    {

    CAknSettingItem* settingItem = NULL;

    switch (aIdentifier)

        {

        case EEqualizerSettingItem: // Not used

            settingItem = new (ELeave) CAknTextSettingItem(aIdentifier, 

                                                         iModel->iPresetName);

            break;

        case EBalanceSettingItem:

            settingItem = new (ELeave) CAknSliderSettingItem(aIdentifier, 

                                                             iModel->iBalance);

            break;

        case EReverbSettingItem:

            settingItem = new ( ELeave ) CAknEnumeratedTextPopupSettingItem(

                                                    aIdentifier,iModel->iReverb);

            break;

        case EStereoWideningSettingItem:

            settingItem = new (ELeave) CAknBinaryPopupSettingItem(aIdentifier, 

                                                                  iModel->iStereo);

            break;

        case ELoudnessItem:

            settingItem = new (ELeave) CAknBinaryPopupSettingItem(aIdentifier, 

                                                                  iModel->iLoudness);

          break;

        }

    return settingItem;

    }

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

// CMPXAudioEffectsItems::ChangeSelectedItemL()

// (other items were commented in a header).

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

//

void CMPXAudioEffectsItems::ChangeSelectedItemL()

    {

    EditItemL(ListBox()->CurrentItemIndex(), ETrue);  

    }

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

// CMPXAudioEffectsItems::EditItemL()

// (other items were commented in a header).

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

//

void CMPXAudioEffectsItems::EditItemL(TInt aIndex, TBool aCalledFromMenu)

    {

    if (aIndex==0) //balance

        {

        TInt oldValue = iModel->iBalance;

        CAknSliderSettingPage* dlg = 

                new(ELeave) CAknSliderSettingPage(R_BALANCE_SETTING_PAGE, 

                                                  iModel->iBalance);

        dlg->SetSettingId(EBalanceSettingItem);

        dlg->SetSettingPageObserver(this);

        SetBalanceTextL(dlg);

        dlg->ExecuteLD(CAknSettingPage::EUpdateWhenChanged);

        MPX_TRAPD( err, iModel->SetBalanceL() );

        if(err != KErrNone)// the slider button will return to the previous

                           // position if an error accures

            {

            iModel->iBalance = oldValue;

            TRAP_IGNORE(iModel->SetBalanceL()); // update value in file

            }

        // Redraw the text box correctly

        CAknSliderSettingItem* settingItem = (CAknSliderSettingItem*) 

                                                 SettingItemArray()->At(0);

        settingItem->LoadL();

        settingItem->UpdateListBoxTextL();

        }

    else if (aIndex==1) //Loundness

        {

        TBool oldLoudnessValue = iModel->iLoudness;

        CAknSettingItemList::EditItemL( aIndex, aCalledFromMenu );

        (*SettingItemArray())[aIndex]->StoreL(); //activates change in listbox

        MPX_TRAPD( err, iModel->SetLoudnessL() );    //calls engine to change API

        if (err != KErrNone) //change in UI will not accure if API is not changed

            {

            CAknSettingItemList::EditItemL( aIndex, EFalse );

            iModel->iLoudness = oldLoudnessValue;

            TRAP_IGNORE(iModel->SetLoudnessL());

            }

        }

    else if (aIndex==2)//stereo widening

        {

        TBool oldStereoValue = iModel->iStereo;

        CAknSettingItemList::EditItemL( aIndex, aCalledFromMenu );

        (*SettingItemArray())[aIndex]->StoreL(); //activates change in listbox

        MPX_TRAPD( err, iModel->SetStereoWideningL() ); //calls engine to change API

        if (err != KErrNone) //change in UI will not accure if API is not 

                             //changed(=error in API)

            {

            CAknSettingItemList::EditItemL( aIndex, EFalse );

            iModel->iStereo = oldStereoValue;

            TRAP_IGNORE(iModel->SetStereoWideningL()); // update value in file 

            }

        }

    DrawDeferred();

    }

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

// CMPXAudioEffectsItems::HandleSettingPageEventL()

// (other items were commented in a header).

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

//

void CMPXAudioEffectsItems::HandleSettingPageEventL(

    CAknSettingPage* aSettingPage,

    TAknSettingPageEvent aEventType)

    {

    TInt id = aSettingPage->SettingId();

    if (aEventType == EEventSettingChanged)

        {

        switch (id)

            {

            case EBalanceSettingItem:

                {

                CAknSliderSettingPage* slider = 

                            static_cast<CAknSliderSettingPage*>(aSettingPage);

                iModel->iBalance = slider->SliderControl()->Value();

                iModel->SetBalanceL();

                SetBalanceTextL( slider );

                break;

                }

            default:

                break;

            }

        }

    }

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

// CMPXAudioEffectsItems::SetBalanceTextL()

// (other items were commented in a header).

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

//

void CMPXAudioEffectsItems::SetBalanceTextL( CAknSliderSettingPage* slider )

    {

    HBufC* title = NULL;

    switch ( iModel->iBalance )

        {

        case -100:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_LEFT100 );

            break;

            }

        case -75:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_LEFT75 );

            break;

            }    

        case -50:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_LEFT50 );

            break;

            }

        case -25:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_LEFT25 );

            break;

            }

        case 0:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_CENTER );

            break;

            }

        case 25:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_RIGHT25 );

            break;

            }    

        case 50:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_RIGHT50 );

            break;

            }

        case 75:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_RIGHT75 );

            break;

            }    

        case 100:

            {

            title = StringLoader::LoadLC( R_AUDIOEFFECT_BALANCE_RIGHT100 );

            break;

            }                    

        default: 

        break;

        }

    if( title )

        {

        slider->SetSettingTextL( *title );

        slider->DrawNow();

        CleanupStack::PopAndDestroy( title );

        }

    }

// End of file