/*

* Copyright (c) 2005 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:  Key rotation implementation

*

*/

#ifndef CAKNKEYROTATORIMPL_H

#define CAKNKEYROTATORIMPL_H

// INCLUDES

#include <AknKeyRotator.h>

#include <e32property.h>

#include <bitstd.h>

// FORWARD DECLARATIONS

class TRawEvent;

class MAnimGeneralFunctions;

// CLASS DECLARATION

/**

*  Key rotation implementation.

*

*  @lib AknKeyRotator.lib

*  @since Series 60 3.0

*/

class CAknKeyRotatorImpl : public CAknKeyRotator

    { 

    public: // Constructor and destructor

        static CAknKeyRotatorImpl* NewL();

        ~CAknKeyRotatorImpl();

    public: // Functions from base classes

        /**

        * From CAknKeyRotator

        */

        TBool CheckRotation( 

            const TRawEvent &aRawEvent,

            MAnimGeneralFunctions& aAnimGeneralFunctions );

    private:

        CAknKeyRotatorImpl();

        void ConstructL();

        void LoadHwStateRotationsL();

        void DoCheckRotation(

            TRawEvent& aNewRawEvent,

            MAnimGeneralFunctions& aAnimGeneralFunctions);

        static TBool IsArrowScanCode(TInt aScanCode);

        // Gets key rotator compensation value from wsini.ini

        static TInt GetKeyRotatorCompensationL();

        // Checks if character is end of line marker.

        inline static TBool IsEndOfLine( TText aChar );

        // Checks if character is byte ordering marker.

        inline static TBool IsByteOrderingMarker( TText aChar );

        // Reads wsini.ini file to memory

        static HBufC* GetWsiniLC();

        // Flags - returned by SkipSpaces

        enum TAknSkipSpacesFlags

            {

            // There was a space character (not end of line)

            EAknWasSpace = 1,

            // There was other kind of character

            EAknWasCharacter = 2

            };

        // Skips spaces, but stops if end of line.

        static TInt SkipSpaces( TLex& aLex );

        // Goes over digit sequence and returns string.

        static TPtrC GetDigits( TLex& aLex );

        // Checks if compensation value is ok.

        inline static TBool CheckCompensationValue( TInt aValue );

    private:

        RProperty iProperty; 

        TBool iRotatedRawEvent;   

        RArray<CFbsBitGc::TGraphicsOrientation> iHwRotations;

        CFbsBitGc::TGraphicsOrientation iUsedRotationForDownEvent;

        // Key rotator compensation value.

        TInt iKeyRotatorCompensation;

    };

#endif      // CAKNKEYROTATORIMPL_H   

// End of File