/*

* Copyright (c) 2008-2008 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:  header file of button and dragbar

*

*/

#ifndef C_FEPLAYOUTSCROLLABLELIST_H

#define C_FEPLAYOUTSCROLLABLELIST_H

#include <peninputlayoutchoicelist.h>

#include <AknLayout2Def.h>

#include <AknsConstants.h>

#include <e32cmn.h>

#define FORMATPAGEINFO(des, ktxt, parm...) {des.Format(ktxt, parm);};

class CAknFepCtrlCommonButton;

class CFepLayoutScrollableList : public CFepLayoutChoiceList, public MEventObserver

    {

public:

    IMPORT_C static CFepLayoutScrollableList* NewL(CFepUiLayout* aUiLayout,

                                                   TInt aControlId,

                                                   TSize aItemSize,

                                                   TInt aHorizontalMargin,

                                                   TInt aVerticalMargin,

                                                   TSize aNaviSize,

                                                   TSize aNaviInnerSize);

    IMPORT_C static CFepLayoutScrollableList* NewLC(CFepUiLayout* aUiLayout,

                                                    TInt aControlId,

                                                    TSize aItemSize,

                                                    TInt aHorizontalMargin,

                                                    TInt aVerticalMargin,

                                                    TSize aNaviSize,

                                                    TSize aNaviInnerSize);

    IMPORT_C virtual ~CFepLayoutScrollableList();

    IMPORT_C void ConstructFromResourceL();

    IMPORT_C void SizeChanged(TSize aItemSize,

                              TInt aHorizontalMargin,

                              TInt aVerticalMargin,

                              TSize aNaviSize,

                              TSize aNaviInnerSize);

    IMPORT_C void SetTextProperty(const CFont* aFont,

                                  TRgb aFontColor);

    IMPORT_C void SetImgFrId(TAknsItemID aBgFrId, 

                           TAknsItemID aNaviFrId,

                           TAknsItemID aNaviActiveFrId,

                           TAknsItemID aNaviDimFrId,

                           TAknsItemID aItemFrId,

                           TAknsItemID aItemActiveFrId);

    inline void SetTextLineLayout(TAknTextLineLayout aTextLine);

    inline void SetPageInfoTextLineLayout(TAknTextLineLayout aTextLine);

    inline void SetPageInfoFormatL(const TDesC& aFormat);

    // if current page include special item, the count also include

    // special item

    inline void SetOnePageItemCount(TInt aItemCount);

    inline void SetSpecialItemOn(TBool aOn);

    // get whole control width except item width

    inline TInt CtrlWidthExceptItem();

    // get whole control height

    inline TInt CtrlHeight();

    IMPORT_C void Draw();

    IMPORT_C void ReCalcLayout();

    IMPORT_C void UpdateNaviButtonStates();

	IMPORT_C void SetListSeperationRect( const TRect& aRect );

	inline void SetPageInfoResID( TInt aResID );

    /**

     * Hide or shoe control. A hiden control will not handle the event.

     *

     * @since S60 V4.0

     * @param aFlag ETrue if want to hide the control.

     */                                               

    IMPORT_C virtual void Hide(TBool aFlag);

protected:

    IMPORT_C CFepLayoutScrollableList(CFepUiLayout* aUiLayout,

                             TInt aControlId,

                             TSize aItemSize,

                             TInt aHorizontalMargin,                             

                             TInt aVerticalMargin,

                             TSize aNaviSize,

                             TSize aNaviInnerSize);

    IMPORT_C void ConstructL(); 

    IMPORT_C TInt HitTest(const TPoint& aPoint);

    IMPORT_C virtual void DrawItem(TInt aItemIndex, TBool aItemActive = EFalse);

    IMPORT_C virtual void CalculateItemWidth();

    IMPORT_C virtual void DrawPageInfo();

    void ScrollPageUp();

    void ScrollPageDown();

    IMPORT_C void Move(const TPoint& aOffset);

private:

    void CalcPageInfo();

protected:

    //from MEventObserver

    IMPORT_C void HandleControlEvent(TInt aEventType, CFepUiBaseCtrl* aCtrl,

                            const TDesC& aEventData);

    IMPORT_C void UpdatePageInfoL( TInt aCurrentPage, TInt aTotalPage );                        

#ifdef RD_TACTILE_FEEDBACK	

	// Update tactile feedback area when scroll page up and down.

	void UpdateFeedbackArea();

#endif // RD_TACTILE_FEEDBACK

protected:

    TPoint iTopLeftPoint;

    TSize iItemSize;

    TSize iNaviSize;

    TSize iNaviInnerSize;

    TInt iHorizontalMargin;

    TInt iVerticalMargin;

    TInt iBaselineOffset;

    const CFont* iFont;

    TRgb iFontColor;

    TAknTextLineLayout iTextLine;

    TBool iTextLineSet;    

    TAknTextLineLayout iPageInfoTextLine;

    TBool iPageInfoLineSet;

    RPointerArray<CFbsBitmap> iBmpList;

    TAknsItemID iBgFrId;

    // used for special item

    TAknsItemID iItemFrId;

    TAknsItemID iItemActiveFrId;

    TBool iSpecialItemOn;

    TBool iNaviBtnShown;

    HBufC* iPageInfoFormat;

    HBufC* iPageInfo;

    TInt iCurrentPage;

    TInt iTotalPages;

    //TPoint iTlPos;

    TInt iOnePageItemCnt;

    TRect iContentRect;

    TRect iScrollRect;

    TRect iPageUpRect;

    TRect iPageDownRect;

    TRect iPageInfoRect;

    RArray<TRect> iItemRects;

    CAknFepCtrlCommonButton* iPageUp;

    CAknFepCtrlCommonButton* iPageDown;

    // List speration 

    TRect iSeperationRect;

    CFbsBitmap* iSeperationBmp;	//own

    CFbsBitmap* iSeperationMaskBmp; // own

    // Res ID of page info

    TInt iPageInfoResID;

    TRect iLastPageItemRect;

    TInt iInitItemWidth;

    };

inline void CFepLayoutScrollableList::SetTextLineLayout(TAknTextLineLayout aTextLine)

    {

    iTextLine = aTextLine;

    iTextLineSet = ETrue;

    }

inline void CFepLayoutScrollableList::SetPageInfoTextLineLayout(TAknTextLineLayout aTextLine)

    {

    iPageInfoTextLine = aTextLine;

    iPageInfoLineSet = ETrue;

    }

inline void CFepLayoutScrollableList::SetPageInfoFormatL(const TDesC& aFormat)

    {

    delete iPageInfoFormat;

    iPageInfoFormat = NULL;

    iPageInfoFormat = aFormat.AllocL();

    // on the assumption that page info do not beyond 100

    delete iPageInfo;

    iPageInfo = NULL;

    iPageInfo = HBufC::NewL(aFormat.Length() + 6);

    }

inline void CFepLayoutScrollableList::SetOnePageItemCount(TInt aItemCount)

    {

    iOnePageItemCnt = aItemCount;

    }

inline void CFepLayoutScrollableList::SetSpecialItemOn(TBool aOn)

    {

    iSpecialItemOn = aOn;

    }

inline TInt CFepLayoutScrollableList::CtrlWidthExceptItem()

    {

    return 4*iHorizontalMargin + iNaviSize.iWidth;

    }

inline TInt CFepLayoutScrollableList::CtrlHeight()

    {

    return (iOnePageItemCnt + 1)*iVerticalMargin + iOnePageItemCnt*iItemSize.iHeight;

    }

inline void CFepLayoutScrollableList::SetPageInfoResID( TInt aResID )	

	{

	iPageInfoResID = aResID;	

	}

#endif //C_FEPLAYOUTSCROLLABLELIST_H