/*

* Copyright (c) 1997-2009 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 <eiklbi.h>

#include <eiklbm.h>

#include <badesca.h>

#include <eikpanic.h>

#include <w32std.h>		// Is this really needed?

#include <gdi.h>

#include <gulutil.h>

#include <eiksfont.h>

#include <eikenv.h>

#include <gulcolor.h>

#include <coemain.h>		// Is this really needed?

#include <eiklbd.h>

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

#include <aknlistloadertfx.h>

#include <aknlistboxtfxinternal.h>

#endif //RD_UI_TRANSITION_EFFECTS_LIST

#include <aknappui.h>

#include "laflbi.h"

#include "laflbx.h"

#include "akntrace.h"

const TInt KDefaultMarkColumnWidth = 10;

const TInt KDefaultMarkGutter = 2;

//

// class TListItemProperties

//

EXPORT_C TListItemProperties::TListItemProperties()

	: iFlags(0) 

	{}

//

// class CListItemDrawer

//

EXPORT_C MAknsControlContext *CListItemDrawer::SkinBackgroundControlContext() const

	{

	if (iData)

		{

		return iData->SkinBackgroundControlContext();

		}

	return NULL;

	}

EXPORT_C void CListItemDrawer::SetSkinEnabledL(TBool aEnabled)

	{

	if(iData)

		{

		iData->SetSkinEnabledL(aEnabled);

		}

	}

/**

 * Sets the item drawer flags to aFlags, masking off all

 * but the lower 3 bits.

 */

EXPORT_C void CListItemDrawer::SetFlags(TInt aFlags)

    {

    // Pressed down highlight is blocked out if

    // single click mode is enabled

    if ( aFlags & EPressedDownState 

           &&  iFlags & ESingleClickEnabled )

        {

        aFlags &= ~EPressedDownState;

        }

    // do not raise EDrawWholeBackground unless ENativeImplementation is set

    if ( ( aFlags & EDrawWholeBackground ) 

            && !( iFlags & ENativeImplementation ) )

        {

        aFlags &= ~EDrawWholeBackground;

        }

    iFlags |= aFlags; 

    iFlags &= KListItemDrawerAllowedFlags;

    }

/**

 * Clears the item drawer flags aFlags, masking off all

 * but the lower 3 bits.

 */

EXPORT_C void CListItemDrawer::ClearFlags(TInt aFlags)

	{iFlags&=(~aFlags); iFlags&=KListItemDrawerAllowedFlags;}

EXPORT_C CListItemDrawer::CListItemDrawer()

    : iFlags(0)

    {

    _AKNTRACE_FUNC_ENTER;

	iMarkColumnWidth = KDefaultMarkColumnWidth;

	iMarkGutter = KDefaultMarkGutter;

	CEikonEnv* eikEnv=CEikonEnv::Static();

	iMarkColor = eikEnv->Color(EColorControlText);

	iBackColor = eikEnv->Color(EColorControlBackground);

	iHighlightedBackColor = eikEnv->Color(EColorControlHighlightBackground);

    if ( iAvkonAppUi && 

         iAvkonAppUi->IsSingleClickCompatible() )

        {

        SetFlags( ESingleClickEnabled | EDisableMarquee );

        }

	_AKNTRACE_FUNC_EXIT;

	}

EXPORT_C CListItemDrawer::~CListItemDrawer()

    {

    _AKNTRACE_FUNC_ENTER;

    delete iData;

    _AKNTRACE_FUNC_EXIT;

    }

/**

 * Sets the font storage data for the item drawer to aFontStorage and transfers ownership.

 *

 * @since ER5U

 */

EXPORT_C void CListItemDrawer::SetData(CListBoxData* aData)

    {

    iData=aData;

    }

/**

 * Returns the font for the item at index aItemIndex. Returns NULL if no font storage data 

 * has been set.

 *

 * @since ER5U

 */

EXPORT_C CFont* CListItemDrawer::Font(TInt aItemIndex) const

    {

    if (iData)

        return iData->Font( Properties( aItemIndex ) );

    else

		return NULL;

    }

/**

 * Returns the properties of the item at index aItemIndex.

 * 

 * @since ER5U

 */

EXPORT_C TListItemProperties CListItemDrawer::Properties(TInt /*aItemIndex*/) const

    {

	TListItemProperties properties;

	properties.SetColor(iTextColor);

    return properties;

    }

EXPORT_C void CListItemDrawer::ResetGc() const

	{

	_AKNTRACE_FUNC_ENTER;

	iGc->SetPenStyle(CGraphicsContext::ESolidPen);

	iGc->SetBrushStyle(CGraphicsContext::ENullBrush);

	iGc->SetBrushColor(iBackColor);

	_AKNTRACE_FUNC_EXIT;

	}

EXPORT_C void CListItemDrawer::SetGc(CWindowGc* aGc)

	{

	_AKNTRACE_FUNC_ENTER;

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

	// assert that aGc is not null

    MAknListBoxTfxInternal *transApi = CAknListLoader::TfxApiInternal( iGc );

    if ( transApi )

        {

        if ( aGc )

            {

            transApi->SetGc( *aGc );

            }

        }

    else

        {

#endif //RD_UI_TRANSITION_EFFECTS_LIST

    	iGc = aGc;

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

        }

#endif //RD_UI_TRANSITION_EFFECTS_LIST

    _AKNTRACE_FUNC_EXIT;

	}

EXPORT_C void CListItemDrawer::SetMarkColumnWidth(TInt aWidthInPixels)

	{

	iMarkColumnWidth = aWidthInPixels;

	}

EXPORT_C void CListItemDrawer::SetMarkGutter(TInt aGapInPixels)

	{

	iMarkGutter = aGapInPixels;

	}

EXPORT_C TInt CListItemDrawer::MarkColumn() const

	{

	return iMarkColumnWidth;

	}

EXPORT_C TInt CListItemDrawer::MarkGutter() const

	{

	return iMarkGutter;

	}

EXPORT_C void CListItemDrawer::SetItemCellSize(const TSize& aSizeInPixels)

	{

	iItemCellSize = aSizeInPixels;

	}

EXPORT_C TSize CListItemDrawer::ItemCellSize() const

    {

    return iItemCellSize;

    }

EXPORT_C void CListItemDrawer::SetViewRect(const TRect& aRect)

	{

	iViewRect = aRect;

	}

EXPORT_C CWindowGc* CListItemDrawer::Gc() const

	{

	return(iGc);

	}

/**

 * Returns the rectangle occupied by the matcher cursor in the text aMatchableText. The pixel position of

 * the rectangle is determined by specifying the character position of the cursor in the text aCharPos and the

 * vertical position of the item cell aItemCellYPos. The size of the rectangle can be determined by giving the 

 * index of the current item aCurrentItemIndex.

 *

 * Returns the rectangle occupied by the item drawer by default.

 */

EXPORT_C TRect CListItemDrawer::MatcherCursorRect(const TDesC& /*aMatchableText*/, TInt /*aCharPos*/, TInt /*aItemCellYPos*/, TInt /*aCurrentItemIndex*/ ) const

	{

	// derived classes that deal with text and want to support incremental matching in

	// listboxes need to redefine this function

	return TRect();

	}

/**

 * Returns the ascent of the matcher cursor for the item at index aCurrentItemIndex determined from the 

 * ascent of the font used for that item.

 *

 * Returns 0 by default.

 */

EXPORT_C TInt CListItemDrawer::MatcherCursorAscent( TInt /*aCurrentItemIndex*/ ) const

	{

	// derived classes that deal with text and want to support incremental matching in

	// listboxes need to redefine this function

	return 0;

	}

EXPORT_C void CListItemDrawer::DrawItem(TInt aItemIndex, TPoint aItemRectPos, TBool aItemIsSelected, TBool aItemIsCurrent, TBool aViewIsEmphasized, TBool aViewIsDimmed) const

	{

	_AKNTRACE_FUNC_ENTER;

	TRect actualItemRect(aItemRectPos, iItemCellSize);

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

    MAknListBoxTfxInternal *transApi = CAknListLoader::TfxApiInternal( iGc );

    if ( transApi )

        {

        transApi->BeginRedraw( MAknListBoxTfxInternal::EListItem, actualItemRect, aItemIndex );

        }

#endif //RD_UI_TRANSITION_EFFECTS_LIST

	DrawActualItem(aItemIndex, actualItemRect, aItemIsCurrent, aViewIsEmphasized, aViewIsDimmed, aItemIsSelected);

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

    if ( transApi )

        {

        transApi->EndRedraw( MAknListBoxTfxInternal::EListItem, aItemIndex );

        }

#endif //RD_UI_TRANSITION_EFFECTS_LIST

    _AKNTRACE_FUNC_EXIT;

	}

EXPORT_C void CListItemDrawer::DrawItemMark(TBool /*aItemIsSelected*/, TBool /*aViewIsDimmed*/, const TPoint& /*aItemRectPos*/) const

	{

        // not used in S60

	}

EXPORT_C void CListItemDrawer::ClearRect(const TRect& aRect) const

	{

	if (iGc)

		{

		iGc->SetBrushStyle(CGraphicsContext::ESolidBrush);

		iGc->SetBrushColor(iBackColor);

		iGc->SetPenStyle(CGraphicsContext::ENullPen);

		iGc->DrawRect(aRect);

		ResetGc();

		}

	}

EXPORT_C TInt CListItemDrawer::ItemWidthInPixels(TInt /*aItemIndex*/) const

	{

	return(0);

	}

EXPORT_C void CListItemDrawer::SetDrawMark(TBool aDrawMark)

	{

	if ( aDrawMark )

		SetFlags( EDrawMarkSelection );

	else

		ClearFlags( EDrawMarkSelection );

	}

EXPORT_C TSize CListItemDrawer::MinimumCellSize() const

	{

	return TSize(0, 0);

	}

EXPORT_C void CListItemDrawer::SetSymbolFont(const CFont* aFont)

	{

	iSymbolFont = aFont;

	}

EXPORT_C void CListItemDrawer::SetVerticalInterItemGap(TInt aGapInPixels)

	{

	iVerticalInterItemGap = aGapInPixels;

	}

EXPORT_C TInt CListItemDrawer::VerticalInterItemGap() const

	{

	return iVerticalInterItemGap;

	}

EXPORT_C void CListItemDrawer::SetupGc(TInt aItemIndex) const

    {

    if (iData)

        {

        iData->SetupGc(Properties(aItemIndex),*iGc);

        }

    }

EXPORT_C TAny* CListItemDrawer::Reserved_1()

	{

	return NULL;

	}

EXPORT_C void CListItemDrawer::DrawFrame(CWindowGc& aGc,const TRect& aRect,TInt aFlags) const

	{

	LafListItemDrawer::TLidColors colors(iTextColor,iBackColor,iHighlightedTextColor,

	iHighlightedBackColor,iDimmedTextColor,iDimmedBackColor,iMarkColor);

	LafListItemDrawer::DrawFrame(aGc,aRect,aFlags,colors);

	}

//

// class CTextListItemDrawer

//

EXPORT_C CTextListItemDrawer::CTextListItemDrawer()

	{

	_AKNTRACE_FUNC_ENTER;

	iItemMarkPos = -1;

	iItemMarkReplacement.Set(KNullDesC);

	_AKNTRACE_FUNC_EXIT;

	}

EXPORT_C CTextListItemDrawer::~CTextListItemDrawer()

	{

	_AKNTRACE_FUNC_ENTER;

	iItemMarkPos = -1;

	iItemMarkReplacement.Set(KNullDesC);

	_AKNTRACE_FUNC_EXIT;

	}

EXPORT_C CTextListItemDrawer::CTextListItemDrawer(MTextListBoxModel* aTextListBoxModel,const CFont* aFont)

	: iModel(aTextListBoxModel), iFont(aFont),

 	iItemMarkPos(-1),

 	iItemMarkReplacement(KNullDesC)

	{

	_AKNTRACE_FUNC_ENTER;

	CEikonEnv* eikEnv=CEikonEnv::Static();

	iTextColor = eikEnv->Color(EColorControlText); // KDefaultLbxTextColor

	iHighlightedTextColor = eikEnv->Color(EColorControlHighlightText); // KDefaultLbxHighlightedTextColor

	_AKNTRACE_FUNC_EXIT;

	}

EXPORT_C void CTextListItemDrawer::ConstructL(const CFont* aFont /*, CEikListBox* aOwnerListBox*/)

    {

    _AKNTRACE_FUNC_ENTER;

    CListBoxData* data=new(ELeave) CListBoxData();

    CleanupStack::PushL(data);

    data->ConstructL(aFont);

    CleanupStack::Pop(); // data

    SetData(data);

    _AKNTRACE_FUNC_EXIT;

	}

EXPORT_C void CTextListItemDrawer::ResetGc() const

	{

	_AKNTRACE_FUNC_ENTER;

	CListItemDrawer::ResetGc();

	iGc->SetPenColor(iTextColor);

	_AKNTRACE_FUNC_EXIT;

	}

EXPORT_C void CTextListItemDrawer::SetGc(CWindowGc* aGc)

    {

    _AKNTRACE_FUNC_ENTER;

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

    // assert that aGc is not null

    MAknListBoxTfxInternal *transApi = CAknListLoader::TfxApiInternal( iGc );

    if ( transApi )

        {

        if ( aGc )

            {

            transApi->SetGc( *aGc );

            }

        }

    else

        {

#endif //RD_UI_TRANSITION_EFFECTS_LIST

        iGc = aGc;

#ifdef RD_UI_TRANSITION_EFFECTS_LIST

        }

#endif //RD_UI_TRANSITION_EFFECTS_LIST

    _AKNTRACE_FUNC_EXIT;

    }

EXPORT_C TRect CTextListItemDrawer::MatcherCursorRect(const TDesC& aMatchableText,

        TInt aCharPos, TInt aItemCellYPos, TInt aCurrentItemIndex ) const

	{

    // iFont replaced with Font(currentItem)

	_AKNTRACE_FUNC_ENTER;

	TPoint cursorPos;

	TSize cursorSize;

	TPtrC stringBeforeCursor = aMatchableText.Left(aCharPos);

	TInt cursorWidth = 0;

	if (aCharPos < aMatchableText.Length())

		{

		TPtrC charAtCursor = aMatchableText.Mid(aCharPos,1);

        cursorWidth = Font(aCurrentItemIndex)->TextWidthInPixels(charAtCursor);

		}

	else

        cursorWidth = Font(aCurrentItemIndex)->MaxNormalCharWidthInPixels();

    cursorPos.iX = Font(aCurrentItemIndex)->TextWidthInPixels(stringBeforeCursor);

    if( Flags() & EDrawMarkSelection )

		cursorPos.iX += iMarkColumnWidth + iMarkGutter;

	cursorPos.iX += LafListBox::InnerGutter();

    cursorPos.iY = Font(aCurrentItemIndex)->AscentInPixels() + aItemCellYPos;

	cursorSize.iWidth = cursorWidth;

    cursorSize.iHeight = Font(aCurrentItemIndex)->HeightInPixels();

	TRect cursorRect(cursorPos, cursorSize);

	_AKNTRACE_FUNC_EXIT;

	return cursorRect;

	}

EXPORT_C TInt CTextListItemDrawer::MatcherCursorAscent( TInt aCurrentItemIndex ) const

	{

	// derived classes that deal with text and want to support incremental matching in

	// listboxes need to redefine this function

    // iFont replaced with Font(currentItem)

    return Font(aCurrentItemIndex)->AscentInPixels() - (VerticalInterItemGap()/2);

	}

EXPORT_C void CTextListItemDrawer::SetCellWidthInChars(TInt aNumOfCharsToDisplayInCell)

	{

	iNumOfCharsInCell = aNumOfCharsToDisplayInCell;

	}

EXPORT_C TSize CTextListItemDrawer::MinimumCellSize() const

	{

	//__ASSERT_DEBUG(0, Panic(EEikPanicOutOfRange));

	return TSize(0,0);

#ifdef THIS_IS_NOT_USED_IN_SERIES60

    TInt width;

    TInt height;

	if (iData && iData->FontBoundValues().iMaxNormalCharWidthInPixels)

        {

        //iFont->MaxNormalCharWidthInPixels() replaced with FontBoundValues().iMaxNormalCharWidthInPixels

        width = iNumOfCharsInCell * iData->FontBoundValues().iMaxNormalCharWidthInPixels;

        // iFont->HeightInPixels() replaced with FontBoundValues().iHeightInPixels

        height = iData->FontBoundValues().iHeightInPixels + VerticalInterItemGap();

        }

    else  // original code.

        {

		const CFont* font = ((iFont != NULL) ? iFont : CEikonEnv::Static()->NormalFont());

        width = iNumOfCharsInCell * font->MaxNormalCharWidthInPixels();

        height = font->HeightInPixels() + VerticalInterItemGap();

        }

	if (Flags()&CListItemDrawer::EDrawMarkSelection)

		{

		width += iMarkColumnWidth + iMarkGutter;

		}

	width+=LafListBox::InnerGutter();

	return TSize(width, height);

#endif

	}

/**

 * Draws the actual item contents for the item at index aItemIndex in the rectangle aActualItemRect.

 */

EXPORT_C void CTextListItemDrawer::DrawActualItem(TInt aItemIndex, const TRect& aActualItemRect,

        TBool aItemIsCurrent, TBool aViewIsEmphasized, TBool /*aViewIsDimmed*/, TBool aItemIsSelected) const

	{

	_AKNTRACE_FUNC_ENTER;

	if (Properties(aItemIndex).IsSelectionHidden()) { aItemIsSelected = EFalse; }

    if ( Flags() & EDisableHighlight

            || Flags() & ESingleClickDisabledHighlight )

        {

        aItemIsCurrent = EFalse;

        }

	DrawItemText(aItemIndex,aActualItemRect,aItemIsCurrent,aViewIsEmphasized,aItemIsSelected);