/*

* Copyright (c) 2009 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:

*

*/

#include <AknsDrawUtils.h>

#include "peninputlayoutmicfcustomdraw.h"

#include "peninputlayoutmultilineicf.h"

#include "peninputlayoutsmiley.h"

CFepLayoutMIcfCustomDraw::CFepLayoutMIcfCustomDraw(CFepLayoutMultiLineIcfEditor* aParentControl)

    :iParentControl(aParentControl)

    {

    }

CFepLayoutMIcfCustomDraw::~CFepLayoutMIcfCustomDraw()

    {

    }

void CFepLayoutMIcfCustomDraw::DrawBackground(const TParam& aParam,

                                              const TRgb& /*aRgb*/,

                                              TRect& aDrawn) const

    {

    CFbsBitGc& gc = (CFbsBitGc&)(aParam.iGc);

    TRect drawrect = iParentControl->Rect();

    aDrawn = aParam.iDrawRect;

    gc.SetClippingRect(aDrawn);

    gc.Clear(drawrect);

    if (iParentControl->BgImgSkinId() != KAknsIIDNone)

        {

	    // set clipping rect, make sure text is not hide by drawframe

		AknsDrawUtils::DrawFrame(AknsUtils::SkinInstance(), 

		                         gc, 

		                         drawrect, 

		                         drawrect,

		                         iParentControl->BgImgSkinId(),

		                         KAknsIIDDefault);

        }

    else

    	{

    	iParentControl->DrawIcfBackground( gc, aDrawn );

    	}    

    gc.CancelClippingRect();

    }

void CFepLayoutMIcfCustomDraw::DrawText( const TParam& aParam, const TLineInfo& aLineInfo, 

		                                 const TCharFormat& aFormat, const TDesC& aText, 

		                                 const TPoint& aTextOrigin, TInt aExtraPixels ) const

    {

    if ( !iParentControl->SmileyEnabled() )

        {

        MFormCustomDraw::DrawText( aParam, aLineInfo,  aFormat, aText, 

                                   aTextOrigin, aExtraPixels );

        return;

        }

    //get count of smileys

    TInt count = 0;

    for ( TInt i = 0; i < aText.Length(); i ++ )

        {

        if ( iParentControl->SmileyManager()->IsSmileyCode(aText[i] ) )

            {

            count++;

            break;

            }

        }

    if ( count < 1 )

        {

        //no smiley found, call default draw

        MFormCustomDraw::DrawText( aParam, aLineInfo,  aFormat, aText, 

                                   aTextOrigin, aExtraPixels );

        return;        

        }

    //custom draw   

    TInt topline = aParam.iDrawRect.iTl.iY;

    TInt bottomline = aParam.iDrawRect.iBr.iY;

    TInt baseline = aLineInfo.iBaseline;

    TPoint basepoint = aParam.iDrawRect.iTl;

    basepoint.iY = baseline;

    CFont* font = NULL;

    aParam.iMap.GetNearestFontInTwips( font, aFormat.iFontSpec );

    //cut off regions occupied by smiley characters.

    //smiley character is displayed as a rectangle if not supported by current font.

    RRegion rgn;

    TRAP_IGNORE( 

            iParentControl->CalcSmileyClipRegionL( 

                    rgn, aParam.iGc, *font, 

                    aText, basepoint, topline, 

                    bottomline ) 

            );

    //call default drawing first

    aParam.iGc.SetClippingRegion( rgn );

    MFormCustomDraw::DrawText( aParam, aLineInfo, aFormat, aText, 

                               aTextOrigin, aExtraPixels );

    aParam.iGc.CancelClippingRegion();

    rgn.Close();

    //fill in smiley icons

    TRAP_IGNORE( 

            iParentControl->CustomDrawSmileyL( 

                    aParam.iGc, *font, aText, 

                    basepoint, topline, bottomline ) 

            );

    aParam.iMap.ReleaseFont( font );

	}

void CFepLayoutMIcfCustomDraw::DrawText( const TParam& aParam, const TLineInfo& aLineInfo,

                                         const TCharFormat& aFormat, const TDesC& aText,

                                         const TInt aStart, const TInt aEnd, 

                                         const TPoint& aTextOrigin,TInt aExtraPixels) const

    {

    TPtrC text = aText.Mid( aStart, aEnd - aStart );

    DrawText( aParam, aLineInfo, aFormat, text, aTextOrigin, aExtraPixels );

    }

TBool CFepLayoutMIcfCustomWrap::LineBreakPossible(TUint aPrevClass, TUint aNextClass, 

                                                  TBool aHaveSpaces) const

    {

    if( aHaveSpaces )

        {

        return ETrue;

        }

    return MFormCustomWrap::LineBreakPossible( aPrevClass, aNextClass, aHaveSpaces );

    }

TUint CFepLayoutMIcfCustomWrap::LineBreakClass(TUint aCode, TUint& aRangeStart,

                                               TUint& aRangeEnd) const

    {

    aRangeStart = aCode;

    aRangeEnd = aCode + 1;

    switch (aCode)

        {

        case 0x0020: // unicode for space

        case 0x0023: // unicode for #

        case 0x002a: // unicode for *

        case 0x0040: // unicode for @

        case 0x0026: // unicode for &

        case 0x003d: // unicode for =

        default:

            break; // carry on

        }

    return MFormCustomWrap::LineBreakClass(aCode,aRangeStart,aRangeEnd);

     }

// End Of File