/*

* Copyright (c) 2010 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:  Easy dialing listbox data.

*

*/

#ifndef _EASYDIALINGLISTBOXDATA_H

#define _EASYDIALINGLISTBOXDATA_H

// INCLUDE FILES

#include <aknlists.h>

// CONSTANTS

/*

 * Matching highlight separator character is used in listbox model to separate

 * matching and non-matching charaters. 0x1F is chosen for this because

 * it is a control character "INFORMATION SEPARATOR ONE" of ASCII set. 

 * User of the listbox must use this character in creating list box item 

 * strings.

 */

// FORWARD DECLARATIONS

class CEasyDialingListBox;

class CEasyDialingContactDataManager;

// CLASS DECLARATIONS

/*

 * Easy dialing listbox data class.

 */

class CEasyDialingListBoxData : public CFormattedCellListBoxData

    {

public:

    class TExtendedColors : public CFormattedCellListBoxData::TColors 

        {

        public:

            TExtendedColors();

            /** The matching text colour. */

            TRgb iMatchingText;

            /** The matching background colour. */

            TRgb iMatchingBack;

        };

    /**

    * Constructor.

    */

    CEasyDialingListBoxData();

    /**

     * Destructor

     */

    ~CEasyDialingListBoxData();

    /**

    * Second phase constructor of the class.

    * @return   Pointer to the instance. 

    */

    static CEasyDialingListBoxData* NewL();

    /**

    * Draws selected item.

    */

    void DrawData(

        const TListItemProperties& aItemProperties, 

        CWindowGc& aGc,

        const TDesC* aText,

        const TRect& aRect,

        TBool aHighlight,

        const TExtendedColors& aColors ) const;

    /**

    * Draws selected item highlight.

    * @param    aGc         Graphics context.

    * @param    aItemRect   Item rectangle.

    */

    void DrawHighlight( CWindowGc &aGc, const TRect &aItemRect ) const;

    /**

    * Sets the contact data manager. Must be set before using the listbox.

    * @param    aContactDataManager Contact data manager.

    */

    void SetContactDataManager( CEasyDialingContactDataManager* aContactDataManager );

    /**

    * Sets a pointer to listbox class. Called from listbox constructor.

    * @param    aControl    Pointer to easy dialing listbox cotrol.

    */

    void SetEDLBXControl( CEasyDialingListBox* aControl );

    /**

     * Handle change in list item size

     */

    void HandleItemSizeChange();

protected:

    void ConstructLD();

private:

    /**

    * Determines fonts for contact name and company name.

    * The font sizes are determined based on list box item height.

    * This function must be called once before any drawing routines are 

    * done.

    * @param    aItemHeight List box item height

    */

    void ObtainFonts( TInt aItemHeight );

    /**

     * Update the color bitmap used for fallback graphics for the Action Menu arrow according to 

     * size changes in listbox control.

     * @param   aSize   New size.

     */

    void UpdateColorBitmapL( const TSize& aSize );

    /**

    * Draws the data for one list item.

    * @param    aProperties List item property structure.

    * @param    aGc Graphics context.

    * @param    aText   String containing  list item data information.

    * @param    aItemRect   Item rectangle.

    * @param    aHighlight  ETrue if the item has highlight, EFalse otherwise.

    * @param    aColors Structure containing used colors.

    */

    void DrawDataFormatted( 

        TListItemProperties aProperties,

        CWindowGc& aGc,

        const TDesC* aText,

        const TRect& aItemRect,

        TBool aHighlight,

        const TExtendedColors& aColors ) const;

    /**

     * Draws the Contact Thumbnail Icon if any else draws the dummy contact thumbnail.

     * @param   aGc Graphics context.

     * @param   aBoundingBox    Rectangle containing bounds for contact thumbnail.

     * @param   aDescId Descriptor containing contact id.

     */

    TBool ContactThumbnailDrawing(

            CWindowGc& aGc,

            TRect aBoundingBox,

            TPtrC aDescId) const;

    /**

     * Draws the Action Menu.

     * @param   aGc Graphics context.

     * @param   aActionMenuArrowRect    Rectangle where arrow is to be drawn.

     */ 

    void DrawArrowIcon( CWindowGc& aGc, TRect aActionMenuArrowRect ) const;

    /**

     * Draws the Favourite Icon. Takes the name rect as a parameter. Name rect

     * must be unmirrored, because the mirroring is done as the last thing

     * before drawing.

     * @param   aGc Graphics context.

     * @param   aNameRectUnMirrored Name rect, where fav star is contained

     * @param   aEffectiveRect The whole listbox item rect. Used for mirroring.

     */

    void DrawFavouriteIcon(

            CWindowGc& aGc, 

            TRect aNameRectUnMirrored,

            TRect aEffectiveRect) const;

private:

    /** Font to be used showing contact name. Not owned. */

    CFont* iContactNameFont;

    /** Font to be used showing company name. Not owned. */ 

    CFont* iCompanyNameFont;

    /** Handle for loading and storing the thumbnails. Not owned.*/ 

    CEasyDialingContactDataManager* iContactDataManager;

    /** Action Menu LeftPointing Arrow for mirrored layout. Owned. */

    CGulIcon* iArrowPointingRight;

    /** Action Menu RightPointing Arrow. Owned. */

    CGulIcon* iArrowPointingLeft;

    /** Action icon color bitmap. Owned. */

    CFbsBitmap* iColorBitmap;

    /** Default image for contacts with no own thumbnail. Owned. */

    CGulIcon* iDummyThumbnail;

    /** Pointer to listbox. Not owned. */

    CEasyDialingListBox* iControl;

    };

#endif // _EASYDIALINGLISTBOXDATA_H