/*

* Copyright (c) 2006-2007 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:   Implementation for CHuiDeckLayout. Deck layout is a very simple layout

*                that overlays all its children to match the layout's own rectangle.

*                Think of it as a deck of cards.

*

*/

#include "uiacceltk/HuiDeckLayout.h"  // Class definition

#include "uiacceltk/HuiControl.h"

#include "uiacceltk/HuiPanic.h"

EXPORT_C CHuiDeckLayout* CHuiDeckLayout::AddNewL(CHuiControl& aOwnerControl,

                                                 CHuiLayout* aParentLayout)

    {

    CHuiDeckLayout* layout = new (ELeave) CHuiDeckLayout(aOwnerControl);

    CleanupStack::PushL(layout);

    layout->ConstructL();    

    aOwnerControl.AppendL(layout, aParentLayout);

    CleanupStack::Pop(layout);           

    return layout;

    }

CHuiDeckLayout::CHuiDeckLayout(MHuiVisualOwner& aOwner)

        : CHuiLayout(aOwner)

    {

    }

void CHuiDeckLayout::ConstructL()

    {    

    CHuiLayout::ConstructL();

    }

EXPORT_C CHuiDeckLayout::~CHuiDeckLayout()

    {    

    }

void CHuiDeckLayout::SetSize(const THuiRealSize& aSize, TInt aTransitionTime)

    {

    CHuiLayout::SetSize(aSize, aTransitionTime);

    UpdateChildrenLayout(aTransitionTime);    

    }

TBool CHuiDeckLayout::ChildSize(TInt aOrdinal, TSize& aSize)

    {

    TBool result(EFalse);

    THuiRealRect rect;

    TInt childRectStatus(THuiLayoutChildRectUpdateNotNeeded);

    childRectStatus = ChildRect(aOrdinal, rect);

    if(childRectStatus != THuiLayoutChildRectNotImplemented)

        {

        result = (childRectStatus & THuiLayoutChildRectSizeUpdateNeeded);

        if(result)

            {

            THuiRealPoint size(rect.Width(), rect.Height());

            aSize = LocalPointInPixels(size).AsSize();

            }

        }

    return result;

    }

TBool CHuiDeckLayout::ChildPos(TInt aOrdinal, TPoint& aPos)

    {

    TBool result(EFalse);

    THuiRealRect rect;

    TInt childRectStatus(THuiLayoutChildRectUpdateNotNeeded);

    childRectStatus = ChildRect(aOrdinal, rect);

    if(childRectStatus != THuiLayoutChildRectNotImplemented)

        {

        result = (childRectStatus & THuiLayoutChildRectPosUpdateNeeded);

        if(result)

            {

            aPos = LocalPointInPixels(rect.iTl);

            }

        }

    return result;

    }

TInt CHuiDeckLayout::ChildRect(TInt /*aOrdinal*/, THuiRealRect& aPos)

    {

    THuiRealSize innerSize = InnerSize();

    aPos.iTl = InnerTopLeft(); 

    aPos.iBr = aPos.iTl + THuiRealPoint(innerSize.iWidth, innerSize.iHeight) ; 

    return THuiLayoutChildRectLayoutUpdateNeeded;

    }