/*

* Copyright (c) 2007 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 page for CAknEnumeratedItems.*

*/

// INCLUDE FILES

#include <AknSettingItemList.h>

#include "CamContextAwareSettingPage.h"

#include "CamAppController.h"

#include "CamAppUiBase.h"

#include "camlogging.h"

// CONSTANTS

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

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

// CCamContextAwareSettingPage::CCamContextAwareSettingPage

// C++ constructor

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

//

CCamContextAwareSettingPage::CCamContextAwareSettingPage( 

    const TDesC* aSettingText, 

    TInt aSettingNumber, 

    TInt aControlType,

    TInt aEditorResourceId, 

    TInt aSettingPageResourceId, 

    MAknQueryValue& aQueryValue,

    CAknEnumeratedTextPopupSettingItem& aParent,

    CCamAppController& aController )

    : CAknPopupSettingPage( aSettingText, aSettingNumber, aControlType,

    aEditorResourceId, aSettingPageResourceId, aQueryValue ), 

    iParent( aParent ), iController( aController )

    {

    }

/**

* Destructor

*/

CCamContextAwareSettingPage::~CCamContextAwareSettingPage()

  {

  PRINT( _L("Camera => ~CCamContextAwareSettingPage") );

  if ( iTimer )

    {

    iTimer->Cancel();

    delete iTimer;

    }

	TRAP_IGNORE( iController.CancelPreviewChangesL() );

  PRINT( _L("Camera <= ~CCamContextAwareSettingPage") );

  }

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

// CCamContextAwareSettingPage::ConstructL

// Construct the setting page

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

//

void CCamContextAwareSettingPage::ConstructL()

	{

    CAknPopupSettingPage::ConstructL();

    // create the timer used for callbacks

    iTimer = CPeriodic::NewL( CActive::EPriorityStandard );

	}

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

// CCamContextAwareSettingPage::PostDisplayCheckL

// Pushes the navicounter onto the navipane, and then calls the base class

// PostDisplayCheckL()

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

//

TBool CCamContextAwareSettingPage::PostDisplayCheckL()

    {

    // This appears to be the best place to push the navicounter,

    // so that it overwrites the navipane created by the 

    // CAknSettinPage::ExecuteLD()

    CCamAppUiBase* appUi = (CCamAppUiBase*)iEikonEnv->EikAppUi();

    appUi->PushNaviPaneCounterL();

    return CAknPopupSettingPage::PostDisplayCheckL();

    }

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

// CCamContextAwareSettingPage::UpdateSettingL

// Called when the state of the list box changes.

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

//

void CCamContextAwareSettingPage::UpdateSettingL()

    {

    // Determine whether the currently highlighted list item

    // is enabled or not, and update the cba.

    // ...Get the current list item index.

    TInt currentIndex = ListBoxControl()->View()->CurrentItemIndex();

    // ...Dertemine the settings model id associated with the current

    // ...list item.

    iCurrentVal = iParent.EnumeratedTextArray()->

        At( currentIndex )->EnumerationValue();

    // ...Determine whether the settings model value is enabled or disabled.

    TBool settingValueEnabled = 

        iController.SettingValueEnabled( iParent.Identifier(), iCurrentVal );

    // ...Inform the base setting page class, and update the cba

	SetDataValidity( settingValueEnabled );

	UpdateCbaL();

    // If the list item is enabled update the navi-pane to 

    // let the user know how this item would affect the available photo

    // counter.

    if ( settingValueEnabled )

        {

        if ( iTimer->IsActive() )

            {

            iTimer->Cancel();

            }

        iTimer->Start( 0, 0,  TCallBack( PreviewSettingChange, this ) );

        }

    }

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

// CCamContextAwareSettingPage::ProcessCommandL

// Processes events from the softkeys.

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

//

void CCamContextAwareSettingPage::ProcessCommandL(TInt aCommandId)

	{

	HideMenu();

	// Respond to softkey events

	switch (aCommandId)

		{

		case EAknSoftkeyOk:

		case EAknSoftkeySelect:  

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

										// controls to put the selection on the current item

			AttemptExitL( ETrue );

            iController.CommitPreviewChanges();

			break;

		case EAknSoftkeyCancel:

			AttemptExitL( EFalse );

            iController.CancelPreviewChangesL();

			break;

		default:

			break;

		}

	}

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

// CCamContextAwareSettingPage::PreviewSettingChangeL

// Previews the setting value

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

//

TInt CCamContextAwareSettingPage::PreviewSettingChange( TAny* aAny )

    {

    CCamContextAwareSettingPage* settingPage = 

        static_cast<CCamContextAwareSettingPage*>( aAny );

    // preview the setting value - will 

    // update the engine and the navi couner

    TRAPD( ignore, settingPage->iController.PreviewSettingChangeL( 

        settingPage->iParent.Identifier(), settingPage->iCurrentVal ) );

	if(ignore)

		{

		// Lint error removal

		}

    // cancel the timer

    settingPage->iTimer->Cancel();

    return KErrNone;

    }