/*

* 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_SMILEYMANAGER_H

#define C_SMILEYMANAGER_H

#include <e32base.h>

#include <e32std.h>

class CCoeControl;

class CBitmapContext;

class CSmileyModel;

class CSmileyInfoReader;

class CSmileyDrawer;

class TRgb;

class CEikEdwin;

class CSmileyIconRecord;

_LIT( KSmileyString, "\xf8e4i" );

/**

 *  smiley engine class, manage smiley character strings and icons

 *

 *  @lib ?library

 *  @since S60 v5.0

 */

NONSHARABLE_CLASS( CSmileyManager ) : public CBase

    {

public:

    static const TText KPlaceHolder = 0xfff0;

    static const TInt KMaxLength = 5;

    static const TInt KMinLength = 2;

    static const TText KZeroCode = 0;

    static const TText KCompensateChar = 'i'; 

    static const TUint KSmileyCodeMin = 0xf880;

    static const TUint KSmileyCodeMax = 0xf8e4;    

    enum TOperationType

        {

        EDelete = 0,

        EInsert,

        ESetCursor,

        ESelection

        };

//static constructors

    static CSmileyManager* NewL( CEikEdwin& aEdwin );

    static CSmileyManager* NewLC( CEikEdwin& aEdwin );

    virtual ~CSmileyManager();

//new functions    

    TBool ConvertTextForSmileyL( TInt aStart, TDes& aText, 

        TBool aStringToCodes = ETrue );

    void DrawIconL( CBitmapContext& aGc, const TRect& aRect, 

        TInt aDocPos );

    void HandleDeleteL( TInt aStart, TInt aLength );

    void HandleInsertL( TInt aStart, TInt aLength );

    void HandleSetCursor( TInt aOldCursor, TInt& aNewCursor );

    void HandleSelection( TInt aStart, TInt aLength  );

    void SetHighlightColor( TRgb aColor );

    void SetAnimationPlayTimes( TInt aPlayTimes );

    TText SmileyCodeByPos( TInt aDocPos );

    TInt SmileyLength( TInt aDocPos );

    static TBool IsSmileyCode( TText aCode );

    void RemoveIconsInRange( TInt aStart, TInt aLength );

    TBool HasSmileyIconsInText();

    TBool IsDisabledSmileyIcon( TInt aDocPos );

    void DisableSmileyIcon( TInt aDocPos );

private:

//constructors    

    CSmileyManager();

    void ConstructL( CEikEdwin& aEdwin );

    TBool ConvertCodesToTextL( TDes& aText, TInt aStart );

    TBool ConvertTextToCodesL( TDes& aText, TInt aStart );

    void AddSmileyToRecordL( const TDesC& aSmileyText, TInt aDocPos, 

        TText aCode );

private: // data    

    // own

    CSmileyModel* iModel;

    // own

    CSmileyInfoReader* iReader;

    // own

    CSmileyDrawer* iDrawer;

    // own

    CSmileyIconRecord* iIconRecord;

    TInt iSelStart;

    TInt iSelLength;

    TInt iVisibleStart;

    TInt iVisibleLength;

    };

#endif // C_SMILEYMANAGER_H