/*

* Copyright (c) 2007-2010 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:  Implements container for the user scene setup list.*

*/

// INCLUDE FILES

#include "CamUserSceneSetupContainer.h"

#include "CamUserSceneSetupItemArray.h"

#include "CamAppController.h"

#include "CamSettings.hrh"

#include "Cam.hrh"

#include "CamPanic.h"

#include <aknlists.h>

#include <AknIconArray.h>

#include <barsread.h>

#include <aknview.h>

#include "CameraUiConfigManager.h"

#include "CamUtility.h"

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

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

// CCamUserSceneSetupContainer::NewLC

// Symbian two-phased constructor.

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

//

CCamUserSceneSetupContainer* CCamUserSceneSetupContainer::NewLC

( const TRect& aRect, TInt aResourceId, 

    CCamAppController& aController, 

    CAknView& aView )

    {

    CCamUserSceneSetupContainer* self =

        new ( ELeave ) CCamUserSceneSetupContainer( aController, 

        aView );

    CleanupStack::PushL( self );

    self->ConstructL( aRect, aResourceId );

    return self;

    }

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

// CCamUserSceneSetupContainer::NewL

// Symbian two-phased constructor.

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

//

CCamUserSceneSetupContainer* CCamUserSceneSetupContainer::NewL

( const TRect& aRect, TInt aResourceId, 

    CCamAppController& aController, 

    CAknView& aView )

    {

    CCamUserSceneSetupContainer* self = 

        CCamUserSceneSetupContainer::NewLC

        ( aRect, aResourceId, aController, 

       aView );

    CleanupStack::Pop( self );

    return self;

    }

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

// CCamUserSceneSetupContainer::~CCamUserSceneSetupContainer

// Destructor

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

//

CCamUserSceneSetupContainer::~CCamUserSceneSetupContainer()

  {

  PRINT( _L("Camera => ~CCamUserSceneSetupContainer" ))  

  delete iUserSceneSetupList;

  delete iUserSceneSetupItemArray;

  PRINT( _L("Camera <= ~CCamUserSceneSetupContainer" ))  

  }

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

// CCamUserSceneSetupContainer::HandleChangeInItemArrayOrVisibilityL

// Handles a change in the item list visibility.

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

//

void CCamUserSceneSetupContainer::UpdateDisplayL()

    {

    ListBox()->DrawNow();

    }

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

// CCamUserSceneSetupContainer::TitlePaneTextResourceId

// Returns the resource Id of the title for this container.

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

//

TInt CCamUserSceneSetupContainer::TitlePaneTextResourceId()

    {

    return iTitleResourceId;

    }

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

// CCamUserSceneSetupContainer::UpdateListItems

// Updates the list items with the settings model values.

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

//

void CCamUserSceneSetupContainer::UpdateListItems( void )

    {

    TInt listItemCount = iUserSceneSetupItemArray->Count();

    TInt i;

    for ( i = 0; i < listItemCount; ++i )

        {

        UpdateListItem( i );

        }

    }

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

// CCamUserSceneSetupContainer::UpdateCurrentListItem

// Updates the current list item with it's associated

// settings model value.

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

//

void CCamUserSceneSetupContainer::UpdateCurrentListItem()

    {

    CEikButtonGroupContainer* cba = CEikButtonGroupContainer::Current();   

    if ( cba )

        {

        CEikCba* eikCba = static_cast<CEikCba*>( cba->ButtonGroup() );

        if( eikCba )

            {

            // Hide LSK for single clickable settings

            eikCba->EnableItemSpecificSoftkey( ETrue );

            }

        }  

    TInt selectedItemIndex = iUserSceneSetupList->CurrentItemIndex();

    UpdateListItem( selectedItemIndex );

    }

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

// CCamUserSceneSetupContainer::HandleListBoxEventL

// Handles a list box event.

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

//

void CCamUserSceneSetupContainer::HandleListBoxEventL

( CEikListBox* /*aListBox*/, TListBoxEvent aEventType )

	{

	switch( aEventType )

		{

		case EEventEnterKeyPressed: // fallthrough

		case EEventItemDoubleClicked: 

        case EEventItemSingleClicked:

			{

            HandleSelectionL();

            }

			break;

		default:

			break;			

		}

	}

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

// CCamUserSceneSetupContainer::HandleSelectionL

// Handles the user selection of a list item.

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

//

void CCamUserSceneSetupContainer::HandleSelectionL( void )

    {

    TInt CommandId = CommandIdForActivatingCurrentItemControl();

    CEikButtonGroupContainer* cba = CEikButtonGroupContainer::Current();

    if ( cba && CommandId != ECamCmdCaptureSetupFlashUser )

        {

        CEikCba* eikCba = static_cast<CEikCba*>( cba->ButtonGroup() );

        if( eikCba )

            {

            // Make LSK visible for the sliders.

            // Sliders, like exposure compensation, are not listboxes, 

            // thus single click cannot be disabled for those.

            // All setting items, except flash, are double clickable and

            // they have a visible LSK

            eikCba->EnableItemSpecificSoftkey( EFalse );

            }    

        }

    iView.HandleCommandL( CommandId );

    }

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

// CCamUserSceneSetupContainer::CCamUserSceneSetupContainer

// C++ constructor

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

//

CCamUserSceneSetupContainer::CCamUserSceneSetupContainer

( CCamAppController& aController, 

    CAknView& aView )

: CCamContainerBase( aController, aView )

    {

    }

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

// CCamUserSceneSetupContainer::ConstructL

// 2nd phase constructor

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

//

void CCamUserSceneSetupContainer::ConstructL

( const TRect& aRect, TInt aResourceId )

    {

    const TInt KSettingItemArrayGranularity = 5;

    CCamContainerBase::BaseConstructL( aRect );

    //CreateWindowL();

    // Create the listbox in the right style

    iUserSceneSetupList = new ( ELeave ) CAknSettingStyleListBox;

    iUserSceneSetupList->ConstructL( this, CEikListBox::ELeftDownInViewRect );

    TPoint pos = iEikonEnv->EikAppUi()->ClientRect().iTl;

    TSize size = iUserSceneSetupList->MinimumSize();

    SetExtent( pos, size ); 

    // Setup the scroll bar

    iUserSceneSetupList->CreateScrollBarFrameL( ETrue );

    iUserSceneSetupList->ScrollBarFrame()->

    SetScrollBarVisibilityL( CEikScrollBarFrame::EOn, 

            CEikScrollBarFrame::EAuto );

    iTitleResourceId = aResourceId;

    // get array of supported resources from psi

    RArray<TInt> userSceneResourceIds;

    CleanupClosePushL( userSceneResourceIds );

    User::LeaveIfError( CamUtility::GetPsiIntArrayL( ECamPsiUserSceneResourceIds, userSceneResourceIds ) );

    // ...get the number of items in this user scene setup list.

    TInt itemCount = userSceneResourceIds.Count(); 

	iUserSceneSetupItemArray = new ( ELeave ) 

        CCamUserSceneSetupItemArray( itemCount );

    iUserSceneSetupItemArray->ConstructL();

	// Make the icon array

	CArrayPtrFlat<CGulIcon>* iconArray = new ( ELeave )

        CAknIconArray( KSettingItemArrayGranularity );

	CleanupStack::PushL( iconArray );

    // Create all the user scene setup list items defined in the resource.

	TInt i;

	for ( i=0; i < itemCount; ++i )

		{

        CCamUserSceneSetupListItem* listItem = 

            CCamUserSceneSetupListItem::NewL( userSceneResourceIds[i] );

        CleanupStack::PushL( listItem );

        // Ownership is transferred

        iUserSceneSetupItemArray->AppendL( listItem ); 

        CleanupStack::Pop( listItem );

		}

	// Update the display

	UpdateDisplayL();

	// Looks like we have no choice but to give ownership 

    // of this to the listbox.

	// There is no flag as there is for the item data

	ListBox()->ItemDrawer()->FormattedCellData()->SetIconArrayL( iconArray ); 

    // iconArray now has ownership transferred

	CleanupStack::Pop( iconArray );  

    CleanupStack::PopAndDestroy( &userSceneResourceIds );	

	CTextListBoxModel* model= iUserSceneSetupList->Model();

	model->SetItemTextArray( iUserSceneSetupItemArray );

    // Ownership retained by SettingItemList

	model->SetOwnershipType( ELbmDoesNotOwnItemArray ); 

   	TAknLayoutRect layoutRect;

	layoutRect.LayoutRect( TRect( 

        TPoint( 0, 0 ), iAvkonAppUi->ClientRect().Size() ), 

        AKN_LAYOUT_WINDOW_list_gen_pane( 0 ) );

	iUserSceneSetupList->SetRect( layoutRect.Rect() );

	ListBox()->SetCurrentItemIndex( 0 );

	ListBox()->SetListBoxObserver( this );

	ListBox()->UpdateScrollBarsL();

    SetRect( aRect );

    ActivateL();

    UpdateListItems();

    }

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

// CCamUserSceneSetupContainer::UpdateListItem

// Updates a list item with its corresponding settings model value.

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

//

void CCamUserSceneSetupContainer::UpdateListItem( TInt aIndex )

    {     

    // Get the current value for this list item from the settings model.

    // ...get settings model id for list item.

    TInt settingsModelId = 

            iUserSceneSetupItemArray->At( aIndex )->SettingsModelTypeId();

    if ( settingsModelId != ECamSettingItemUserSceneReset )

        {

        // ...use id to get current value.

        TInt currentVal = iController.IntegerSettingValue( settingsModelId );

        // Update list item with the current value.

        iUserSceneSetupItemArray->At( aIndex )->SetCurrentValue( currentVal );

        }

    }

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

// CCamUserSceneSetupContainer::CommandIdForActivatingCurrentItemControl

// Returns the command id for activating the current list item control.

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

//

TInt CCamUserSceneSetupContainer::CommandIdForActivatingCurrentItemControl()

    {

    // Get the settings model type id for the selected item.

    // ...get settings model id for list item.  

    TInt currentIndex = iUserSceneSetupList->CurrentItemIndex();

    // ...get settings model id for list item.

    TInt settingsModelId = 

        iUserSceneSetupItemArray->At( currentIndex )->

            SettingsModelTypeId();

    // Convert settings model id to command id that activates the

    // control for the selected item.

    TInt commandId = -1;

    switch ( settingsModelId )

        {

        case ECamSettingItemUserSceneBasedOnScene:

            {

            commandId = ECamCmdCaptureSetupSceneUser;

            }

            break;

        case ECamSettingItemUserSceneWhitebalance:

            {

            commandId = ECamCmdCaptureSetupWhiteBalanceUser;

            }

            break;

        case ECamSettingItemUserSceneExposure:

            {

            commandId = ECamCmdCaptureSetupExposureUser;

            }

            break;

        case ECamSettingItemUserSceneColourFilter:

            {

            commandId = ECamCmdCaptureSetupColourFilterUser;

            }

            break;

        case ECamSettingItemUserSceneFlash:

            {

            commandId = ECamCmdCaptureSetupFlashUser;

            }

            break;

        case ECamSettingItemUserSceneReset:

            {

            commandId = ECamCmdUserSceneReset;

            }

            break;

        case ECamSettingItemUserSceneBrightness:

            {

            commandId = ECamCmdCaptureSetupBrightnessUser;

            }

            break;

        case ECamSettingItemUserSceneContrast:

            {

            commandId = ECamCmdCaptureSetupContrastUser;

            }

            break;

        case ECamSettingItemUserSceneImageSharpness:

            {

            commandId = ECamCmdCaptureSetupImageSharpnessUser;

            }

            break;

        case ECamSettingItemUserSceneLightSensitivity:

            {

            commandId = ECamCmdCaptureSetupLightSensitivityUser;

            }

            break;

        case ECamSettingItemUserSceneDefault: 

            {

            commandId = ECamCmdSetUserDefault;

            }

            break;

        default:

            {

            CamPanic( ECamPanicCaptureSetupMenuUnknownItem );

            }

        }

    return commandId;

    }

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

// CCamUserSceneSetupContainer::CountComponentControls

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

//

TInt CCamUserSceneSetupContainer::CountComponentControls() const

    {

	return CCamContainerBase::CountComponentControls() + 1;

	}

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

// CCamUserSceneSetupContainer::ComponentControl

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

//

CCoeControl* CCamUserSceneSetupContainer::ComponentControl

( TInt aIndex ) const

    {

    CCoeControl* control = CCamContainerBase::ComponentControl( aIndex );

    if( control )

        return control;

    switch( aIndex )

        {

        case 1:

            {

            control = iUserSceneSetupList;

            }

            break;

        default:

            break;            

        }

    return control;

    }

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

// CCamUserSceneSetupContainer::OfferKeyEventL

// Key event handling

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

//

TKeyResponse CCamUserSceneSetupContainer::OfferKeyEventL(

    const TKeyEvent& aKeyEvent,

    TEventCode aType )

    {

    if ( aType == EEventKey &&

           ( aKeyEvent.iScanCode == EStdKeyEnter || 

        {

        HandleSelectionL();

        return EKeyWasConsumed;

        }

    else if ( aKeyEvent.iScanCode == EStdKeyUpArrow || 

                aKeyEvent.iScanCode == EStdKeyDownArrow )

        {

        return iUserSceneSetupList->OfferKeyEventL( aKeyEvent, aType );

        }

    else

        {

        return EKeyWasNotConsumed;    

        }

    }

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

// CCamUserSceneSetupContainer::ListBox

// Returns a pointer to the list box

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

//

CEikFormattedCellListBox* CCamUserSceneSetupContainer::ListBox()

	{

	return ( iUserSceneSetupList );

	}

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

// CCamUserSceneSetupContainer::IsUserSceneResetHighlighted

// Returns wheather user scene restore is highlighted

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

//

TBool CCamUserSceneSetupContainer::IsUserSceneResetHighlighted()

	{

    TInt currentIndex = iUserSceneSetupList->CurrentItemIndex();

    // ...get settings model id for list item.

    TInt settingsModelId = 

        iUserSceneSetupItemArray->At( currentIndex )->SettingsModelTypeId();

    if ( settingsModelId == ECamSettingItemUserSceneReset )

        {

        return ETrue;

        }

    else 

        {

        return EFalse;

        }

	}

// End of File