/*

* 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:  ESMR titled field implementation

 *

*/

#ifndef CESMRATTENDEEFIELD_H

#define CESMRATTENDEEFIELD_H

#include <e32base.h>

#include <fbs.h>

#include <caluser.h>

#include <eiklbo.h>

//<cmail>

#include "esmrdef.h"

//</cmail>

#include "cesmrfield.h"

#include "cesmrcontacthandler.h"

#include "mesmrcontacthandlerobserver.h"

#include "cesmrncsaifeditor.h"

class CESMRNcsPopupListBox;

class CEikButtonGroupContainer;

class MESMRMeetingRequestEntry;

class CAknsFrameBackgroundControlContext;

class CMRLabel;

class CAknsBasicBackgroundControlContext;

class CMRImage;

class CAknButton;

class CMRButton;

NONSHARABLE_CLASS( CESMRAttendeeField ): public CESMRField,

                                                MEikEdwinSizeObserver,

                                                MESMRNcsAddressPopupList, 

                                                MESMRContactHandlerObserver, 

                                                MCoeControlObserver,

                                                MEikListBoxObserver

    {

public:

    /**

     * Two phase constructor.

     * @param aRole attendee role

     */

    static CESMRAttendeeField* NewL( CCalAttendee::TCalRole aRole );

    /**

     * Destructor.

     */

    ~CESMRAttendeeField();

protected: // MESMRNcsAddressPopupList

    void UpdatePopupContactListL( const TDesC& aMatchString, TBool iListAll );

protected: // from MFSEmailUiContactHandlerObserver

    void OperationCompleteL( TContactHandlerCmd aCmd, const RPointerArray<CESMRClsItem>* aContacts );

    void OperationErrorL( TContactHandlerCmd aCmd, TInt aError );

protected: // from MCoeControlObserver

    void HandleControlEventL( CCoeControl *aControl, TCoeEvent aEventType );

protected: // From CESMRField

    TSize MinimumSize();

    void InitializeL();

    void InternalizeL( MESMRCalEntry& aEntry );

    void ExternalizeL( MESMRCalEntry& aEntry );

    TBool ExecuteGenericCommandL( TInt aCommand );

    void SetOutlineFocusL( TBool aFocus );

    TBool HandleSingletapEventL( const TPoint& aPosition );

    void HandleLongtapEventL( const TPoint& aPosition );

protected: // From CCoeControl

    TInt CountComponentControls() const;

    CCoeControl* ComponentControl( TInt aInd ) const;

    void SizeChanged();

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

    void SetContainerWindowL( const CCoeControl& aControl );

protected: // From MEikEdwinSizeObserver

    TBool HandleEdwinSizeEventL( CEikEdwin* aEdwin, TEdwinSizeEvent aType, TSize aDesirableEdwinSize);

protected: // from MEikListBoxObserver

    void HandleListBoxEventL( CEikListBox* aListBox, TListBoxEvent aEventType );

private: // Implementation

    /**

     * Constructor.

     * @param aRole attendee role

     */

    CESMRAttendeeField( CCalAttendee::TCalRole aRole );

    /**

     * Second phase constructor.

     */

    void ConstructL();

    /**

     * Calculates rect for predictive participant popup.

     * @return rect for popup

     */

    TRect ResolvePopupRectL();

    /**

     * launches search popup dialog for remote contact search.

     */

    void DoPopupSelectL();

    /**

     * close contact popup list

     */

    void ClosePopupContactListL();

    /**

     * Launch remote lookup

     * @param aExitReason optional error handling

     * @param aSearchText descriptor containing the search string

     */

    CESMRNcsEmailAddressObject* ExecuteRemoteSearchL(

        CPbkxRemoteContactLookupServiceUiContext::TResult::TExitReason& aExitReason,

        const TDesC& aSearchText );

    /**

     * Set default text for attendee field

     */

    void AppendDefaultTextL();

    /**

     * Clear editor

     */

    void ClearDefaultTextL();

    /**

     * show contact pop up list under attendee field.

     * @param aShow hide or show popuplist

     */

    void ShowPopupCbaL( TBool aShow );

    void UpdateSendOptionL();

    void GetCursorLineVerticalPos( TInt& aUpper, TInt& aLower );

    void UpdateAttendeesL( 

    		MESMRMeetingRequestEntry& aEntry );

private: //data

    // Editor size provided by edwin event.

    TSize iSize;

    // Field title size.

    TSize iTitleSize;

    // Attendee role.

    CCalAttendee::TCalRole iRole;

    // Own: Title of this field

    CMRLabel* iTitle;

    // Owned. Attendee editor.

    CESMRNcsAifEditor* iEditor;

    // Own. Predictive attendee popup.

    CESMRNcsPopupListBox* iAacListBox;

    // Own. Contact handler

    CESMRContactHandler* iContactHandler;

    // Own. for default text of this field.

    HBufC* iDefaultText;

    // Enable / Disable contact popup list

    TBool iAacListBoxEnabled;

    // Not owned. CBA.

    CEikButtonGroupContainer* iButtonGroupContainer;

    // Own. Background control context.

    CAknsBasicBackgroundControlContext* iBgCtrlContext;

    /// Own: Field icon

    CMRButton* iFieldButton;

    // Own: Listboxes previous highlighted index

    TInt iPreviousIndex;

    };

#endif  // CESMRATTENDEEFIELD_H