/*

* 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:   Flow layout

*

*/

#include "alf/alfflowlayout.h"

#include "alf/alfcontrol.h"

#include "alf/alfenv.h"

#include "alfclient.h"

#include "alf/alfconstants.h"

#include "alf/alfgencomponent.h"

#include "alflogger.h"

#include <uiacceltk/HuiUtil.h>

// Private structure

struct CAlfFlowLayout::TFlowLayoutPrivateData

    {

    TInt iMode; // flow mode flags

    };

// ======== LOCAL FUNCTIONS ========

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

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

// 1st phase constructor

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

//

EXPORT_C CAlfFlowLayout::CAlfFlowLayout()

    : CAlfLayout()

    {

    }

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

// 2nd phase constructor

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

//

EXPORT_C void CAlfFlowLayout::ConstructL(CAlfControl& aOwner)

    {

    CAlfLayout::ConstructL(aOwner);

    iFlowLayoutData = new (ELeave) TFlowLayoutPrivateData;

    iFlowLayoutData->iMode = 0;

    }

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

// Destructor

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

//

EXPORT_C CAlfFlowLayout::~CAlfFlowLayout()

    {

    delete iFlowLayoutData;

    iFlowLayoutData = NULL;

    }

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

// Creates new anchor layout for the control.

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

//

EXPORT_C CAlfFlowLayout* CAlfFlowLayout::AddNewL(

    CAlfControl& aOwnerControl,

    CAlfLayout* aParentLayout )

    {

    CAlfFlowLayout* layout = STATIC_CAST(CAlfFlowLayout*,

        aOwnerControl.AppendLayoutL(EAlfLayoutTypeFlow, aParentLayout));

    return layout;

    }

EXPORT_C void CAlfFlowLayout::SetFlowDirection(TFlowDirection aDirection)

    {

    TPckgC<TFlowDirection> inBuf(aDirection);

    TInt err = Comms()->DoCmdNoReply( EAlfFlowLayoutSetFlowDirection, inBuf );

    if ( err )

        {

        __ALFLOGSTRING1( "CAlfFlowLayout::SetFlowDirection panic error %d", err )

        USER_INVARIANT();

        }

    }

EXPORT_C void CAlfFlowLayout::SetCentering(TBool aCentering)

    {

    TPckgC<TBool> inBuf(aCentering);

    TInt err = Comms()->DoCmdNoReply( EAlfFlowLayoutSetCentering, inBuf );

    if ( err )

        {

        __ALFLOGSTRING1( "CAlfFlowLayout::SetCentering panic error %d", err )

        USER_INVARIANT();

        }

	// Update client side data

    if(aCentering)

        {

        iFlowLayoutData->iMode |= EModeCenterPerpendicular;

        }

    else

        {

        iFlowLayoutData->iMode &= ~EModeCenterPerpendicular;

        }

    }

EXPORT_C void CAlfFlowLayout::SetMode(TInt aMode)

    {

    TPckgC<TInt> inBuf(aMode);

    TInt err = Comms()->DoCmdNoReply( EAlfFlowLayoutSetMode, inBuf );

    if ( err )

        {

        __ALFLOGSTRING1( "CAlfFlowLayout::SetMode panic error %d", err )

        USER_INVARIANT();

        }

    // Update local copy of data.

    iFlowLayoutData->iMode = aMode;        

    }

EXPORT_C TInt CAlfFlowLayout::Mode() const

    {

    return iFlowLayoutData->iMode;    

    }

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

// Place holder from CAlfVisual

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

//     

EXPORT_C void CAlfFlowLayout::RemoveAndDestroyAllD()

    {

    CAlfLayout::RemoveAndDestroyAllD();

    }

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

// Place holder from CAlfVisual

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

//  

EXPORT_C void CAlfFlowLayout::UpdateChildrenLayout(TInt aTransitionTime )

    {

    CAlfLayout::UpdateChildrenLayout( aTransitionTime );

    }

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

// Place holder from CAlfVisual

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

//  

EXPORT_C CAlfVisual* CAlfFlowLayout::FindTag(const TDesC8& aTag)

    {

    return CAlfLayout::FindTag( aTag );

    }

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

// Place holder from CAlfLayout

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

//  

EXPORT_C TAlfXYMetric CAlfFlowLayout::BaseUnit() const

    {

    return CAlfLayout::BaseUnit();

    }

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

// Place holder from CAlfVisual

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

//  

EXPORT_C void CAlfFlowLayout::DoRemoveAndDestroyAllD()

    {

    CAlfLayout::DoRemoveAndDestroyAllD();

    }

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

//  future proofing  

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

//  

EXPORT_C void CAlfFlowLayout::PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams)

    {

    CAlfLayout::PropertyOwnerExtension(aExtensionUid,aExtensionParams);

    }