1 /*

     2 * Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   Implementation for CHuiDeckLayout. Deck layout is a very simple layout

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

    16 *                Think of it as a deck of cards.

    17 *

    18 */

    19 

    20 

    21 

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

    23 #include "uiacceltk/HuiControl.h"

    24 #include "uiacceltk/HuiPanic.h"

    25 

    26 

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

    28                                                  CHuiLayout* aParentLayout)

    29     {

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

    31     CleanupStack::PushL(layout);

    32     layout->ConstructL();    

    33     aOwnerControl.AppendL(layout, aParentLayout);

    34     CleanupStack::Pop(layout);           

    35     return layout;

    36     }

    37 

    38 

    39 CHuiDeckLayout::CHuiDeckLayout(MHuiVisualOwner& aOwner)

    40         : CHuiLayout(aOwner)

    41     {

    42     }

    43 

    44 

    45 void CHuiDeckLayout::ConstructL()

    46     {    

    47     CHuiLayout::ConstructL();

    48     }

    49 

    50     

    51 EXPORT_C CHuiDeckLayout::~CHuiDeckLayout()

    52     {    

    53     }

    54 

    55 

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

    57     {

    58     CHuiLayout::SetSize(aSize, aTransitionTime);

    59     UpdateChildrenLayout(aTransitionTime);    

    60     }

    61 

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

    63     {

    64     TBool result(EFalse);

    65     THuiRealRect rect;

    66     TInt childRectStatus(THuiLayoutChildRectUpdateNotNeeded);

    67     childRectStatus = ChildRect(aOrdinal, rect);

    68     if(childRectStatus != THuiLayoutChildRectNotImplemented)

    69         {

    70         result = (childRectStatus & THuiLayoutChildRectSizeUpdateNeeded);

    71         if(result)

    72             {

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

    74             aSize = LocalPointInPixels(size).AsSize();

    75             }

    76         }

    77     return result;

    78     }

    79 

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

    81     {

    82     TBool result(EFalse);

    83     THuiRealRect rect;

    84     TInt childRectStatus(THuiLayoutChildRectUpdateNotNeeded);

    85     childRectStatus = ChildRect(aOrdinal, rect);

    86     if(childRectStatus != THuiLayoutChildRectNotImplemented)

    87         {

    88         result = (childRectStatus & THuiLayoutChildRectPosUpdateNeeded);

    89         if(result)

    90             {

    91             aPos = LocalPointInPixels(rect.iTl);

    92             }

    93         }

    94     return result;

    95     }

    96 

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

    98     {

    99     THuiRealSize innerSize = InnerSize();

   100     aPos.iTl = InnerTopLeft(); 

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

   102     return THuiLayoutChildRectLayoutUpdateNeeded;

   103     }

   104