/*

* 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:

*

*

*/

#ifndef CCAPPCOMMLAUNCHERCUSTOMLISTBOXITEMDRAWER_H_

#define CCAPPCOMMLAUNCHERCUSTOMLISTBOXITEMDRAWER_H_

#include <eikclb.h>

#include <eikfrlb.h>

#include <eikslb.h>

#include <AknGrid.h>

#include <AknUtils.h>

#include <eiklbi.h>

#include <eiklbv.h>

#include <eiktxlbm.h>

#include <eiktxlbx.h>

class TAknTextLineLayout;

class MAknsSkinInstance;

class MAknsControlContext;

class CCCAppCommLauncherCustomListBoxData;

class CCCAppCommLauncherCustomListBoxItemDrawer : public CTextListItemDrawer

	{

public:

    /**

     * C++ default constructor.

     * 

     * @param aTextListBoxModel The list box model class.

     * @param aFont Font to be used in listbox.

     * @param aFormattedCellData Pointer to the list layout drawer class.

     */

	CCCAppCommLauncherCustomListBoxItemDrawer(

            MTextListBoxModel* aTextListBoxModel, 

            const CFont* aFont, 

            CCCAppCommLauncherCustomListBoxData* aFormattedCellData);

    /**

     * Destructor.

     */

    ~CCCAppCommLauncherCustomListBoxItemDrawer();

    /**

     * Gets the list layout drawer.

     * 

     * @return Pointer to the list layout drawer object.

     */

	CCCAppCommLauncherCustomListBoxData* FormattedCellData() const;

    /**

     * Gets the list layout drawer.

     * 

     * @return Pointer to the list layout drawer object.

     */

	CCCAppCommLauncherCustomListBoxData* ColumnData() const; 

    // for compability with columnlistbox itemdrawer

    /**

     * Draws an empty item to the list box.

     * 

     * @param aItemIndex Not used.

     * @param aItemRectPos Position for the list box item rectangle.

     * @param aViewIsDimmed Not used.

     */

    virtual void DrawEmptyItem(TInt aItemIndex, TPoint aItemRectPos, 

                                        TBool aViewIsDimmed) const;

    /**

     * This function sets top item index.

     * 

     * @param aTop Item index value.

     */

	void SetTopItemIndex(TInt aTop);

    /**

     * List item index and color and style properties.

     */

	struct SListProperties 

	    {

        /** List box item index. */

        TInt iItem; // must be first

        /** Colour and style properties for the list item. */

        TListItemProperties iProperties;

	    };

    /**

     * Clears all properties.

     */

	void ClearAllPropertiesL();

    /** 

     * The SetProperties is convenience method for normal cases.

     * NOTE that it does NOT work correctly if you can insert/delete

     * items from the list -- You need to update all properties if

     * any changes to the item text array happen! Often it is convenient

     * to override the @c Properties() method. Further, use this only

     * for small lists.

     *

     * It has been implemented as sorted list of (index,Property) pairs.

     * 

     * If you're using find, aItemIndex for this method is the same as you give

     * in @c MdcaPoint() points the default @c Properties() does conversion 

     * between indexes.

     * 

     * @param aItemIndex List box item index.

     * @param properties Colour and style properties for the list box item.

     */

    void SetPropertiesL(TInt aItemIndex, TListItemProperties properties);

    /**

     * Function for getting properties of a certain list box item.

     * 

     * @param aItemIndex The listbox item index.

     * @return Colour and style properties of wanted

     *         list box item.

     */

	virtual TListItemProperties Properties(TInt aItemIndex) const;

    /**

     * Gets list box item cell size.

     * 

     * @return The list box item cell size.

     */

	TSize LafItemSize() { return iItemCellSize; }

public: // from CTextListItemDrawer

    /**

     * From @c CTextListItemDrawer.

     *

     * Draw an item in a list box.

     * 

     * @param aItemIndex The index into the model's item array of the item 

     *        to draw.

     * @param aItemTextRect The item’s text rectangle. 

     * @param aItemIsCurrent @c ETrue if the item is current. @c EFalse 

     *        otherwise.

     * @param aViewIsEmphasized @c ETrue if the view is emphasized. @c EFalse

     *        otherwise.

     * @param aItemIsSelected @c ETrue if the item is selected. @c EFalse 

     *        otherwise.

     */

	void DrawItemText(TInt aItemIndex,const  TRect& aItemTextRect,

                               TBool aItemIsCurrent, TBool aViewIsEmphasized, 

                               TBool aItemIsSelected) const;

    /**

     * From @c CTextListItemDrawer.

     *

     * Draws an item tick mark. 

     *

     * A tick mark is used in multiple selection lists to indicate the item is

     * selected.

     *

     * This function is invoked by the framework to draw an item mark if 

     * @c iDrawMark is set. The mark should be drawn into this list item 

     * drawer's graphics context; by default, @c DrawItemMark() draws a tick 

     * using the standard symbol font.

     * 

     * This function does not need to be re-implemented for derived classes 

     * which do not draw item marks.

     * 

     * @param aItemIsSelected Whether the item to draw for is selected.

     * @param aViewIsDimmed Whether the item is dimmed. 

     * @param aMarkPos Position of the mark.

     */

	void DrawItemMark(TBool aItemIsSelected, TBool aViewIsDimmed, 

                               const TPoint& aMarkPos) const;

public: // from CListItemDrawer

    /**

     * From @c CListItemDrawer.

     *

     * Gets the minimum size of a cell based on the font and the number of 

     * characters in the cell.

     * 

     * @return The minimum size for a cell in pixels.

     */

	TSize MinimumCellSize() const;

    /**

     * From @c CListItemDrawer.

     *

     * Gets the width in pixels of the specified item.

     * 

     * @param aItemIndex The index of the item for which the width is obtained.

     * @return The specified item's width in pixels.

     */

	TInt ItemWidthInPixels(TInt aItemIndex) const; 

    /**

     * From @c CListItemDrawer.

     *

     * Sets the item cell size.

     *

     * The cell size is the on-screen size of the entire item, including its 

     * text and its item mark.

     * 

     * @param aSizeInPixels New size for the item cell.

     */

    void SetItemCellSize(const TSize& aSizeInPixels);

protected:

    /**

     * Draws current item rectangle.

     * 

     * @param aRect Current item rectangle.

     */

	void DrawCurrentItemRect(const TRect& aRect) const;

    /**

     * @c WordWrapListItem is used with @c CAknDouble* style listboxes.

     * If listbox does not have 2nd line defined, @c WordWrapListItem

     * wraps 1st line to 2nd line, if text does not fit to 1st line.

     * If listbox does have 2nd line defined, this method truncates

     * both lines.

     *

     * @internal

     * @param aTarget Where to place wrapped item string

     * @param aItemString Text to be wrapped

     * @param aFirstIndex index of 1st subcell to wrap

     * @param aSecondIndex index of 2nd subcell

     */

    void WordWrapListItem( TPtr& aTarget, 

                           const TDesC &aItemString, 

                           TInt aFirstIndex, 

                           TInt aSecondIndex,

                           TInt aItemIndex ) const;

    /**

    * @internal

    */

    void DrawBackgroundAndSeparatorLines( const TRect& aItemTextRect ) const;

private:

	void CCCAppCommLauncherCustomListBoxItemDrawer_Reserved();

protected:

    /**

     * Top item index.

     */

	TInt iTopItemIndex;

    /**

     * Array for list box item's properties.

     * Own.

     */

	CArrayFix<SListProperties>* iPropertyArray;

private:

	TInt iSpare;

	};

#endif /* CCAPPCOMMLAUNCHERCUSTOMLISTBOXITEMDRAWER_H_ */