/*

* 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: This file defines classes CESMRNcsPopupListBox, CESMRNcsListItemDrawer

*

*/

#ifndef CESMRNCSPOPUPLISTBOX_H

#define CESMRNCSPOPUPLISTBOX_H

// INCLUDES

#include <e32base.h>

#include <fbs.h>

#include <aknlists.h>

#include "mesmrcontacthandlerobserver.h"

// FORWARD DECLARATIONS

class CESMRNcsEmailAddressObject;

class CAknsBasicBackgroundControlContext;

class CESMRContactHandler;

class CFSMailBox;

// CLASS DECLARATION

/**

 *  CESMRNcsPopupListBox is the litbox that is displayed when user types

 *  text to attendee and field and contacts are searched. this class handles

 *  displaying and updating the list of contacts email addresses

 */

NONSHARABLE_CLASS( CESMRNcsPopupListBox ) : public CEikTextListBox,

                                            public MESMRContactHandlerObserver

    {

public: // Constructors and destructor

    /**

     * Creates new CESMRNcsPopupListBox object. Ownership

     * is transferred to caller.

     * @param aParent set parent control of this class

     * @param aContactHandler pointer to contact handles class

     * @return Pointer to created object,

     */

    static CESMRNcsPopupListBox* NewL( const CCoeControl* aParent,

                                       CESMRContactHandler& aContactHandler );

    /**

     * Second phase constructor

     * @param aParent set parent control of this class

     */

    void ConstructL( const CCoeControl* aParent );

    /**

     * C++ Destructor.

     */

    virtual ~CESMRNcsPopupListBox();

public: // from CCoeControl

    TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

    virtual TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

    void SizeChanged();

public: // from ContactHandlerObserver

    void OperationCompleteL(

            TContactHandlerCmd aCmd,

            const RPointerArray<CESMRClsItem>* aMatchingItems );

    void OperationErrorL( TContactHandlerCmd aCmd, TInt aError );

public: // new methods for the header container

    /**

     * Start searching contacts for teh email addresses using a string

     * @param aText start contacts database search with this string

     */

    void InitAndSearchL( const TDesC& aText );

    /**

     * Start searching contacts for teh email addresses using a string

     * @param aText start contacts database search with this string

     */

    void SetSearchTextL( const TDesC& aText );

    /**

     * Get the currently selected email/contact address object

     * @return current selected email/contact address object

     */

    CESMRNcsEmailAddressObject* ReturnCurrentEmailAddressLC();

    /**

     * Set maximum area on screen for displaying the popuplistbox

     * @param aPopupMaxRect area rectangle

     */

    void SetPopupMaxRectL( const TRect& aPopupMaxRect );

    /**

     * check if popup has any items

     * @return check if it's empty

     */

    TBool IsPopupEmpty() const;

    /**

     * Test if remote look up item is selected

     */

    TBool IsRemoteLookupItemSelected() const;

    /**

     * Returs reference to current cls items array

     * @return RPointerArray<CFSEmailUiClsItem>& reference to current cls items array

     */

    const RPointerArray<CESMRClsItem>& CurrentPopupClsItemsArray() const;

    /**

     * @return iRMLUItemPosition value;

     */

    TInt RMLUItemPosition() const;

private: // Implementation

    enum TRemoteLookupItemMoveDirection

        {

        ERemoteLookupItemUp,

        ERemoteLookupItemDown

        };

    void SetListItemsFromArrayL();

    void SetPopupHeightL();

    void SetRemoteLookupItemLastToTheListL();

    void CreateTextArrayAndSetToTheListboxL();

private:

    CESMRNcsPopupListBox( CESMRContactHandler& aContactHandler );

    virtual void CreateItemDrawerL();

private: // data

    CAknsBasicBackgroundControlContext* iBaseBackroundContext; //own

    RPointerArray<CESMRClsItem>         iMatchingArray; //own

    CDesCArray*                         iItemTextsArray;//own

    HBufC*                              iCurrentSearchText;//own

    CFSMailBox*                         iMailBox;//not own

    CESMRContactHandler&                iContactHandler;//not own

    TRect                               iPopupMaxRect;

    TInt                                iRMLUItemPosition;

    TBool                               iRemoteLookupSupported;

    };

// CLASS DECLARATION

/**

 *  CESMRNcsListItemDrawer handles drawing a single contact/address

 *  item on the CESMRNcsPopupListBox

 */

NONSHARABLE_CLASS( CESMRNcsListItemDrawer ) : public CListItemDrawer

    {

public:

    /**

     * Constructor

     * @param aListBox reference to the list box where the object is located

     */

    CESMRNcsListItemDrawer( CESMRNcsPopupListBox& aListBox );

private: // from CListItemDrawer

    void DrawActualItem( TInt aItemIndex, const TRect& aActualItemRect,

                         TBool aItemIsCurrent, TBool aViewIsEmphasized,

                         TBool aViewIsDimmed, TBool aItemIsSelected ) const;

private:

    void DoDrawActualItemL( TInt aItemIndex, const TRect& aActualItemRect,

                            TBool aItemIsCurrent, TBool aViewIsEmphasized,

                            TBool aViewIsDimmed, TBool aItemIsSelected ) const;

    void DrawPartOfItem( const TRect& aItemRect, const CFont& aFont,

                         TInt aStartPos, TInt aLength, const TDesC& aDes,

                         TBool aUnderlined, TInt aBaseline ) const;

private: // Implementation

    void DrawPopUpBackGroundL( const TRect& aActualItemRect ) const;

    void DrawPopUpSelectorL( const TRect& aActualItemRect ) const;

    void DrawPopUpTextL( TInt aItemIndex, const TRect& aActualItemRect ) const;

private: //data

    CESMRNcsPopupListBox&   iListBox;

    };

#endif // CESMRNCSPOPUPLISTBOX_H

// End of File