/*

* Copyright (c) 2002-2007 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:            Provides CAknFepManager definition

*

*/

#ifndef _AKNFEP_FNKEY_MANAGER_H__

#define _AKNFEP_FNKEY_MANAGER_H__

#include <e32base.h>

#include <w32std.h>

#include <coeinput.h>

#include <PtiDefs.h>                   //TCoeInputCapabilities

#include <AknIndicatorContainer.h> 

#include "AknFepGlobalEnums.h"

#include "AknFepSharedDataInterface.h"

class CAknFepManager;

class CAknIndicatorContainer;

/**

 *  FnKey State machine

 *

 *  @since S60 v3.2

 */

class CAknFepFnKeyManager : public CBase

    {

public:

  /**  Fn key states */

    enum TFnKeyState

        {

        EFnKeyNone,

        EFnKeyPressed,

        EFnKeyDown,

        EFnKeyNext,

        EFnKeyPressedAgain,

        EFnKeyLock,

        EFnKeyForced,

        EFnKeyReversePressed,

        EFnKeyReverse

        };

public:

    static CAknFepFnKeyManager* NewL( CAknFepManager& aFepMan,CAknFepSharedDataInterface* 

                                        aSharedDataInterface );

    ~CAknFepFnKeyManager();

public:

    /*

    * Resets the Function Key State

    */

    void ClearFnKeyState();

    void SetQwertyInputMode(TBool aQwertyState);

    /* 

    * Handles the Fn key event to change the state appropriately.

    */

    TKeyResponse CAknFepFnKeyManager::HandleFnKeyEventL( const TKeyEvent& aKeyEvent, 

                                                TEventCode aEventCode,

                                                TCoeInputCapabilities aInputCapabilities

                                                );

    void SetCase( TCase aCase );

    TFnKeyState FnKeyState();

    void SetFnKeyState(CAknFepFnKeyManager::TFnKeyState aState);    

private:

    CAknFepFnKeyManager( CAknFepManager& aFepMan,

                        CAknFepSharedDataInterface* aSharedDataInterface);

    void ConstructL();

    // For Shift Key handling.

    void UpdatePreviousCase();

private: // data

    CAknFepManager &iFepMan; //not own

    TCoeInputCapabilities iInputCapabilities;

    TFnKeyState iFnKeyState;

    TBool iIsQwertyMode;

    /**

     * Pointer to the Indicator Container object containing editor indicators.

     * Not own.

     */

    CAknIndicatorContainer*     iIndicatorContainer;

    CAknFepSharedDataInterface* iSharedDataInterface;

    // For Shift key handling.

    TInt iPreviousCase;

    TBool iShiftKeyPressed;

    // For QWERTY Predictive

    TBool iWasPreviousModePredictive;

    TBool iPreviousKeyWasFnKey;

    };

#endif // ? _AKNFEP_FNKEY_MANAGER_H__