/*

* 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:     

*

*/

#ifndef HGKEYUTILS_H_

#define HGKEYUTILS_H_

#include <e32base.h>

#include <w32std.h>

#include <e32property.h>

#include <featmgr.h>

#include <centralrepository.h>

#include <cenrepnotifyhandler.h>

#include <AknFepInternalCRKeys.h> // KAknFepHashKeySelection

#include <AvkonInternalCRKeys.h>  // KAknQwertyInputModeActive

#include <eikcmobs.h>

#include <coedef.h>

// Forward declarations

class CPeriodic;

struct TKeyEvent;

class CHgScroller;

class CEikButtonGroupContainer;

class CCoeControl;

class CEikCba;

NONSHARABLE_CLASS( CHgKeyUtils ) : 

    public CBase, 

    public MCenRepNotifyHandlerCallback,

    public MEikCommandObserver

    {

public:

    static CHgKeyUtils* NewL( CHgScroller& aScroller );

    virtual ~CHgKeyUtils();

    void HandleLosingFocus();

    void HandleGainingFocus();

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

public: // from MCenRepNotifyHandlerCallback

    void HandleNotifyInt(TUint32 aId, TInt aNewValue);

private:

    CHgKeyUtils( CHgScroller& aScroller );

    void ConstructL();

    void UpdateMSKVars();

    TBool SelectionMode( const TKeyEvent& aKeyEvent );

    void ProcessCommandL(TInt aCommandId);

    void CreateMSKObserver();

    void RemoveMSKObserver();    

private:

    CHgScroller& iScroller; // Not Own.

    CRepository* iCenRep; // Own.

    CCenRepNotifyHandler* iCenRepNotifyHandler; // Own.      

    CEikCba* iCba; // Not own

    TBool iSelectionModeEnabled;    

    TBool iAknFepHashKeySelection;

    TBool iShiftKeyPressed;

    TBool iMskEnabledInPlatform;

    TBool iMSKButtonGroupAlive; // status of buttongroup, which is used for MSK observer

    };

#endif // HGKEYUTILS_H_