/*

* 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:  FreestyleEmailUi editor control implementation

*

*/

// INTERNAL INCLUDES

#include "emailtrace.h"

#include "FreestyleEmailUiLauncherGrid.h"

#include "FreestyleEmailUiLauncherGridVisualiser.h"

#include "FreestyleEmailUiAppui.h"

#include "FreestyleEmailUiLayoutHandler.h"

#include <AknUtils.h>

#include <alf/alfevent.h>

#include <alf/alfdisplay.h>

#include <alf/alfenv.h>

#include <alf/alfmappingfunctions.h>

#include <alf/alfroster.h>

CFSEmailUiLauncherGrid* CFSEmailUiLauncherGrid::NewL( CAlfEnv& aEnv, CFreestyleEmailUiAppUi* aAppUi )

	{

    FUNC_LOG;

    CFSEmailUiLauncherGrid* self = CFSEmailUiLauncherGrid::NewLC( aEnv, aAppUi );

    CleanupStack::Pop(self);

    return self;

	}

CFSEmailUiLauncherGrid* CFSEmailUiLauncherGrid::NewLC( CAlfEnv& aEnv, CFreestyleEmailUiAppUi* aAppUi )

	{

    FUNC_LOG;

    CFSEmailUiLauncherGrid* self = new (ELeave) CFSEmailUiLauncherGrid( aAppUi );

    CleanupStack::PushL(self);

    self->ConstructL(aEnv);

    return self;

	}

// <cmail>

CFSEmailUiLauncherGrid::CFSEmailUiLauncherGrid(CFreestyleEmailUiAppUi* aAppUi )

	: CAlfControl(),

	iAppUi(aAppUi),

	iDraggingSet(EFalse)

	{

    FUNC_LOG;

	}

CFSEmailUiLauncherGrid::~CFSEmailUiLauncherGrid()

	{

    FUNC_LOG;

	}

TBool CFSEmailUiLauncherGrid::OfferEventL(const TAlfEvent& aEvent)

	{

    FUNC_LOG;

	TBool result(EFalse);

	if ( iVisualiser ) // Offer events to view

        {

        if( aEvent.IsPointerEvent() )

            {

            result = iVisualiser->HandlePointerEventL( aEvent ); 

            }

        else

            {

            result = iVisualiser->OfferEventL( aEvent );

            }

        }

    else

        {

        result = KErrGeneral; 

        }

    return result;    

	}

// </cmail>

void CFSEmailUiLauncherGrid::ConstructL( CAlfEnv& aEnv )

	{

    FUNC_LOG;

    CAlfControl::ConstructL(aEnv);

	}

void CFSEmailUiLauncherGrid::SetVisualiserL( CFSEmailUiLauncherGridVisualiser* aVisualiser )

	{

    FUNC_LOG;

    iVisualiser = aVisualiser;

	}

void CFSEmailUiLauncherGrid::NotifyControlVisibility( TBool  aIsVisible,

													  CAlfDisplay& aDisplay )

    {

    FUNC_LOG;

    // Add & remove extra touch events. 

    if( aIsVisible && !iDraggingSet )

        {

        iDraggingSet = ETrue; 

        aDisplay.Roster().AddPointerEventObserver( EAlfPointerEventReportDrag, *this );

        aDisplay.Roster().AddPointerEventObserver( EAlfPointerEventReportLongTap, *this );

        aDisplay.Roster().AddPointerEventObserver( EAlfPointerEventReportUnhandled, *this );

        }

    else if( !aIsVisible && iDraggingSet )

        {

        aDisplay.Roster().RemovePointerEventObserver( EAlfPointerEventReportDrag, *this );

        aDisplay.Roster().RemovePointerEventObserver( EAlfPointerEventReportLongTap, *this );

        aDisplay.Roster().RemovePointerEventObserver( EAlfPointerEventReportUnhandled, *this );

        iDraggingSet = EFalse;

        }

    }