/*

* Copyright (c) 2008 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:  smiley utility class

*

*/

#ifndef C_SMILEYMODEL_H

#define C_SMILEYMODEL_H

#include <e32base.h>

#include <e32std.h>

class CSmileyIcon;

class CSmileyIconRecord;

typedef TBuf<16> TSmileyString;

class TImageInfo

    {

public:

    TImageInfo();

    void Reset();

public: // data

    TUint16 iCode;

    TUint iBmpId;

    TUint iMaskId;

    TBool iIsAnimation;

    TUint iStaticBmpId;

    TUint iStaticMaskId;

    };

NONSHARABLE_CLASS( CSmileyInfo ) : public CBase

    {

public:

    CSmileyInfo();

    ~CSmileyInfo();

    void Reset();

    void SetSmileyText( const TDesC& aText );

public: // data

    TImageInfo iImageInfo;

    RArray<TSmileyString> iStrArray;

    };

/**

 *  class for reading and interpreting infomation stored in CenRep

 *

 *  @lib ?library

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS( CSmileyModel ) : public CBase

    {

public: //constant definition   

    static const TUint16 KInvalidIndex = 0xffff;

private: // internal class declaration    

    class TStrNode

        {

    public:

        TStrNode();

    public: // data

        TUint16 iCode;

        TUint16 iSibling;

        TUint16 iChild;

        TUint16 iParent;

        };

    class TLinkToImage

        {

    public:

        TLinkToImage();

    public: // data

        TUint8 iStrLength;

        TUint16 iStrNode;

        TUint16 iImageIndex;

        };

public:

// constructor

    CSmileyModel();

    ~CSmileyModel();

// new functions    

    HBufC* SupportedCodesL();

    void GetImageInfo( TImageInfo& aInfo, HBufC** aFileName );    

    void SetSmileyIconFileL( const TDesC& aIconFileName );

    void AddSimleyL( CSmileyInfo& aInfo );

    void Reset();

    //void PrintSmileyInfoL();

    TBool IsFinalNode( TInt aIndex );

    TInt TryFindMatchNode( const TDesC& aText, TInt aStartPos );

    TInt SmileyStringLength( TInt aNodeIndex );

    TText SmileyCode( TInt aNodeIndex );

    void ReplaceTextWithCodes( TDes& aText, TInt aDocPos, TInt aNodeIndex );

private:    

    TInt AddLinkAndImageInfoL( CSmileyInfo& aInfo, TInt aStrIndex );    

    void AddStringL( CSmileyInfo& aInfo, TInt aLinkIndex, TInt aStrIndex );  

    TInt AddStrNodeL( TInt aIndex, TStrNode& aNode );    

    TInt FindInSibling( TInt& aIndex, TText aCode );

    TInt FindInChild( TInt& aIndex, TText aCode );

private: // data        

    RArray<TStrNode> iStrArray;

    RArray<TLinkToImage> iLinkArray;

    RArray<TImageInfo> iImageInfoArray;

    HBufC* iFileName;   

    };

#endif C_SMILEYMODEL_H