/*

* Copyright (c) 2007-2008 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 control for the application.

*

*/

#include "emailtrace.h"

#include <AknUtils.h>

// <cmail> SF

#include <alf/alfevent.h>

// </cmail>

#include "FreestyleEmailUiFolderListControl.h"

#include "FreestyleEmailUiFolderListVisualiser.h"

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

// Two-phased constructor.

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

//

CFSEmailUiFolderListControl* CFSEmailUiFolderListControl::NewL(CAlfEnv& aEnv, CFSEmailUiFolderListVisualiser& aVisualiser)

    {

    FUNC_LOG;

    CFSEmailUiFolderListControl* self = CFSEmailUiFolderListControl::NewLC(aEnv, aVisualiser);

    CleanupStack::Pop(self);

    return self;

    }

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

// Two-phased constructor.

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

//

CFSEmailUiFolderListControl* CFSEmailUiFolderListControl::NewLC(CAlfEnv& aEnv, CFSEmailUiFolderListVisualiser& aVisualiser)

    {

    FUNC_LOG;

    CFSEmailUiFolderListControl* self = new (ELeave) CFSEmailUiFolderListControl(aVisualiser);

    CleanupStack::PushL(self);

    self->ConstructL(aEnv);

    return self;

    }

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

//C++ constructor.

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

//

CFSEmailUiFolderListControl::CFSEmailUiFolderListControl(CFSEmailUiFolderListVisualiser& aVisualiser)

    : CAlfControl(), 

	iVisualiser(aVisualiser)

    {

    FUNC_LOG;

    }

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

// Two-phased constructor.

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

//

void CFSEmailUiFolderListControl::ConstructL(CAlfEnv& aEnv)

    {

    FUNC_LOG;

    CAlfControl::ConstructL(aEnv);

    }

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

// Virtual destructor.

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

//

CFSEmailUiFolderListControl::~CFSEmailUiFolderListControl()

    {

    FUNC_LOG;

    }

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

// CFSEmailUiFolderListControl::OfferEventL

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

//

TBool CFSEmailUiFolderListControl::OfferEventL( const TAlfEvent& aEvent )

	{

    FUNC_LOG;

	// Handle expand/collapse functionality, but only in full screen mode

	if ( aEvent.IsKeyEvent() && iVisualiser.IsFullScreen() )

		{

		// Recalculate the horizontal position when scrolling is finished

		if ( aEvent.Code() == EEventKeyUp &&

		    ( aEvent.KeyEvent().iScanCode == EStdKeyUpArrow ||

		      aEvent.KeyEvent().iScanCode == EStdKeyDownArrow ) )

			{

            iVisualiser.DoHorizontalScrollL();

			}

		// Check expanding an collapsing

		else if ( aEvent.Code() == EEventKey )

		    {

            // Swap left and right with mirrored layout

            TInt scanCode = aEvent.KeyEvent().iScanCode;

            if ( AknLayoutUtils::LayoutMirrored() )

                {

                if ( scanCode == EStdKeyLeftArrow ) scanCode = EStdKeyRightArrow;

                else if ( scanCode == EStdKeyRightArrow ) scanCode = EStdKeyLeftArrow;

                }

            // Left click collapses the current node, right click expands it

            switch ( scanCode )

                {

                case EStdKeyLeftArrow:

                    {

                    iVisualiser.ExpandOrCollapseL(

                            CFSEmailUiFolderListVisualiser::EFolderListCollapse );

                    }

                    break;

                case EStdKeyRightArrow:

                    {

                    iVisualiser.ExpandOrCollapseL(

                            CFSEmailUiFolderListVisualiser::EFolderListExpand );

                    }

                    break;

                default:

                    break;

                }

		    }

		}

// <cmail> Touch

	// Offer events to view

	TBool result = EFalse;

    if ( aEvent.IsPointerEvent() )

        {

        result = iVisualiser.HandlePointerEventL( aEvent ); 

        }

    else

        {

        result = iVisualiser.OfferEventL( aEvent );

        }

    return result;

// </cmail>

	}

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

// CFSEmailUiFolderListControl::HandleCommandL

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

//

void CFSEmailUiFolderListControl::HandleCommandL( TInt aCommand )

	{

    FUNC_LOG;

	// Offer aCommand to view

	return iVisualiser.HandleCommandL( aCommand );

	}

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

// 

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

//

void CFSEmailUiFolderListControl::TimerEventL( CFSEmailUiGenericTimer* /*aTriggeredTimer*/ )

	{

    FUNC_LOG;

	iVisualiser.ExpandOrCollapseL(

	        CFSEmailUiFolderListVisualiser::EFolderListAutomatic );

	}

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

// 

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

/*

void CFSEmailUiFolderListControl::StartTestTimer()

	{

	iFolderListTimer.Start( KAutoExpandCollapseDelay * 5 );

	}

*/