/*

* Copyright (c) 2003-2006 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 class for TextBoxEdwinCustomDraw

*

*/

// ========== INCLUDE FILES ================================

// using CGulIcon API for iIcon

#include <gulicon.h>

// constants from TMifAvkon enumeration used when creating iIcon

#include <avkon.mbg>

#include <avkon.hrh>

// CLafEdwinCustomDrawBase

#include <eikedwin.h>

// AknsUtils::CreateGulIconL

// AknIconUtils::SetSize

// MAknsSkinInstance* skin = AknsUtils::SkinInstance()

#include <AknsUtils.h>

// LAF

// used in GetLayoutRectAndSetLineDelta function

#include <aknlayoutscalable_avkon.cdl.h>    // LAF

#include <data_caging_path_literals.hrh>

#include <s60commonutils.h>

#include "CMIDTextBoxEdwinCustomDraw.h"

// ========== CONSTANTS ====================================

_LIT(KAvkonMbmFileName, "avkon2.mbm");

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

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

// CMIDTextBoxEdwinCustomDraw::NewL

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

//

CMIDTextBoxEdwinCustomDraw* CMIDTextBoxEdwinCustomDraw::NewL(const MLafEnv& aEnv,

        const MFormCustomDraw* aParentCustomDraw,

        const CEikEdwin* aParentControl)

{

    CMIDTextBoxEdwinCustomDraw* self = new(ELeave) CMIDTextBoxEdwinCustomDraw(aEnv,

            aParentCustomDraw,

            aParentControl);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

}

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

// CMIDTextBoxEdwinCustomDraw::ConstructL

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

//

void CMIDTextBoxEdwinCustomDraw::ConstructL()

{

    // Get resource file name

    TFileName fileName;

    fileName.Append(KDC_APP_BITMAP_DIR);

    fileName.Append(KAvkonMbmFileName);

    fileName = java::util::S60CommonUtils::VerifiedFileNameL(fileName);

    iIcon = AknsUtils::CreateGulIconL(AknsUtils::SkinInstance(),

                                      KAknsIIDQgnGrafLinePrimaryHorizontal,

                                      fileName,

                                      EMbmAvkonQgn_graf_line_primary_horizontal,

                                      EMbmAvkonQgn_graf_line_primary_horizontal_mask);

}

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

// CMIDTextBoxEdwinCustomDraw::CMIDTextBoxEdwinCustomDraw

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

//

CMIDTextBoxEdwinCustomDraw::CMIDTextBoxEdwinCustomDraw(const MLafEnv& aEnv,

        const MFormCustomDraw* aParentCustomDraw,

        const CEikEdwin* aParentControl) :

        CLafEdwinCustomDrawBase(aEnv,*aParentControl),

        iParentControl(aParentControl),

        iParentCustomDraw(aParentCustomDraw)

{

}

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

// CMIDTextBoxEdwinCustomDraw::~CMIDTextBoxEdwinCustomDraw

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

//

CMIDTextBoxEdwinCustomDraw::~CMIDTextBoxEdwinCustomDraw()

{

    if (iRects)

    {

        iRects->ResetAndDestroy();

        delete iRects;

    }

    delete iIcon;

}

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

// CMIDTextBoxEdwinCustomDraw::CreateRectsIfNeededL

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

//

void CMIDTextBoxEdwinCustomDraw::CreateRectsIfNeededL()

{

    if ((!iRects && iNumberOfLinesInBody > 0)

            || (iRects && (iNumberOfLinesInBody >= iRects->Count())))

    {

        if (!iRects)

        {

            iRects = new(ELeave) CArrayPtrFlat<TRect>(iNumberOfLinesInBody);

        }

        iRects->SetReserveL(iNumberOfLinesInBody);

        TRect* rect = NULL;

        for (TUint i = iRects->Count(); i < iNumberOfLinesInBody; i++)

        {

            rect = new(ELeave) TRect;

            CleanupStack::PushL(rect);

            iRects->InsertL(i, rect);

            CleanupStack::Pop(rect);

        }

    }

}

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

// CMIDTextBoxEdwinCustomDraw::GetLayoutRectAndSetLineDelta

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

//

TAknLayoutRect CMIDTextBoxEdwinCustomDraw::GetLayoutRectAndSetLineDelta(

    TRect& aRect,

    TUint8& aLineTopOffset)

{

    iLineDelta      = 0;

    aLineTopOffset  = 0;

    TAknWindowLineLayout listSinglePaneLayout =

        AknLayoutScalable_Avkon::list_single_midp_pane(0).LayoutLine();

    // get the top margin for list_single_midp_pane:

    // used for offset-ing the iLineDelta

    aLineTopOffset = listSinglePaneLayout.it;

    TAknLayoutRect listSinglePane;

    listSinglePane.LayoutRect(aRect, listSinglePaneLayout);

    TAknLayoutRect horizLinePaneLayout;

    horizLinePaneLayout.LayoutRect(

        listSinglePane.Rect(),

        AknLayoutScalable_Avkon::list_single_midp_pane_g1().LayoutLine());

    iLineDelta = listSinglePane.Rect().Height();

    ASSERT(iLineDelta > 0);

    return horizLinePaneLayout;

}

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

// CMIDTextBoxEdwinCustomDraw::CalculateLayout

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

//

void CMIDTextBoxEdwinCustomDraw::CalculateLayout(TRect aParentRect)

{

    TRect mainPane = aParentRect;

    TUint8 lineTopOffset;

    TAknLayoutRect lineLayout = GetLayoutRectAndSetLineDelta(mainPane,

                                lineTopOffset);

    iNumberOfLinesInBody = (mainPane.Height() - lineTopOffset) / iLineDelta;

    TRAPD(err, CreateRectsIfNeededL());

    if (err != KErrNone)

    {

        return;

    }

    TRect lineRect = lineLayout.Rect();

    TUint i;

    for (i = 0; i < iNumberOfLinesInBody; i++)

    {

        *(iRects->At(i)) = lineRect;

        lineRect.Move(0, iLineDelta);

    }

    AknIconUtils::SetSize(iIcon->Bitmap(),

                          lineLayout.Rect().Size(),

                          EAspectRatioNotPreserved);

}

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

// CMIDTextBoxEdwinCustomDraw::DrawBackground

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

//

void CMIDTextBoxEdwinCustomDraw::DrawBackground(const TParam& aParam,

        const TRgb& aRgb,

        TRect& aDrawn) const

{

    iParentCustomDraw->DrawBackground(aParam, aRgb, aDrawn);

    DrawEditorLines(aParam, aDrawn);

}

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

// CMIDTextBoxEdwinCustomDraw::DrawLineGraphics

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

//

void CMIDTextBoxEdwinCustomDraw::DrawLineGraphics(const TParam& aParam,

        const TLineInfo& aLineInfo) const

{

    iParentCustomDraw->DrawLineGraphics(aParam, aLineInfo);

}

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

// CMIDTextBoxEdwinCustomDraw::DrawText

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

//

void CMIDTextBoxEdwinCustomDraw::DrawText(const TParam& aParam,

        const TLineInfo& aLineInfo,

        const TCharFormat& aFormat,

        const TDesC& aText,

        const TPoint& aTextOrigin,

        TInt aExtraPixels) const

{

    iParentCustomDraw->DrawText(aParam,

                                aLineInfo,

                                aFormat,

                                aText,

                                aTextOrigin,

                                aExtraPixels);

}

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

// CMIDTextBoxEdwinCustomDraw::SystemColor

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

//

TRgb CMIDTextBoxEdwinCustomDraw::SystemColor(TUint aColorIndex, TRgb aDefaultColor) const

{

    return iParentCustomDraw->SystemColor(aColorIndex, aDefaultColor);

}

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

// CMIDTextBoxEdwinCustomDraw::DrawEditorLines

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

//

void CMIDTextBoxEdwinCustomDraw::DrawEditorLines(const TParam& aParam, TRect& aDrawn) const

{

    if (!iRects)

    {// may happen only in OOM

        return;

    }

    for (TUint i = 0; i < iNumberOfLinesInBody; i++)

    {

        // Find out of TRect where will line drawn

        TRect currentRect = *(iRects->At(i));

        if (aDrawn.Intersects(currentRect))     // draw only if it is inside the area to be re-drawn

            // Drawing of line

            aParam.iGc.DrawBitmapMasked(currentRect,

                                        iIcon->Bitmap(),

                                        TRect(TPoint(0 ,0), currentRect.Size()),

                                        iIcon->Mask(),

                                        ETrue);

    }

}

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

// CMIDTextBoxEdwinCustomDraw::UpdateIconL

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

//

void CMIDTextBoxEdwinCustomDraw::UpdateIconL()

{

    // Find of actual skin

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    // Get resource file name

    TFileName fileName;

    fileName.Append(KDC_APP_BITMAP_DIR);

    fileName.Append(KAvkonMbmFileName);

    fileName = java::util::S60CommonUtils::VerifiedFileNameL(fileName);

    // Update of icon.

    iIcon = AknsUtils::CreateGulIconL(skin,

                                      KAknsIIDQgnGrafLinePrimaryHorizontal,

                                      fileName,

                                      EMbmAvkonQgn_graf_line_primary_horizontal,

                                      EMbmAvkonQgn_graf_line_primary_horizontal_mask);

}

//  End of File