/*

* Copyright (c) 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:  Custom draw component for message editor

*

*/

#ifndef CNCSCUSTOMDRAW_H

#define CNCSCUSTOMDRAW_H

#include <lafmain.h>

class CNcsEditor;

/**

* Class which handles setting editor background color, selected text color,

* and selected text background color.

*

* Text color setting is done by editor itself.

*/

class CNcsCustomDraw : public CLafEdwinCustomDrawBase

    {

public: // constructor and destructor

    CNcsCustomDraw( 

        const MLafEnv& aEnv,

        const CCoeControl& aControl,

        CLafEdwinCustomDrawBase* aCustomDrawer,

        CNcsEditor* aEditor,

        TBool aHeaderField );

    virtual ~CNcsCustomDraw();

public: // new methods

    void UpdateColors();

public: // from CLafEdwinCustomDrawBase

	virtual void DrawBackground(

        const TParam& aParam,

        const TRgb& aBackground,

        TRect& aDrawn) const;

    virtual void DrawLineGraphics(

        const TParam& aParam,

        const TLineInfo& aLineInfo ) const;

    virtual void DrawText(

        const TParam& aParam,

        const TLineInfo& aLineInfo,

        const TCharFormat& aFormat,

        const TDesC& aText,

        const TPoint& aTextOrigin,

        TInt aExtraPixels) const;

    virtual TRgb SystemColor(

        TUint aColorIndex,

        TRgb aDefaultColor) const;

private: // methods used internally

    enum TColors

        {

        EColorBackground = 0x1,

        EColorSelectionText = 0x2,

        EColorSelectionBackground = 0x4

        };

    void SetHasColor( TColors aColor );

    TBool HasColor( TColors aColor ) const;

private:

    TInt iColors;

    CLafEdwinCustomDrawBase* iCustomDrawer;

    CNcsEditor* iEditor;

    TBool iHeaderField;

    TRgb iBackgroundColor;

    TRgb iSelectionTextColor;

    TRgb iSelectionBackgroundColor;

    };

#endif