/*

* Copyright (c) 2004 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: 

*   Interface for Series 60 layout font managed by series 60 font ids

*

*

*/

#ifndef AKNFONTIDLAYOUTFONT_H

#define AKNFONTIDLAYOUTFONT_H

#include "AknLayoutFont.h"

class CBitmapDevice;

NONSHARABLE_CLASS(CAknFontSpecificationLayoutFont) : public CAknLayoutFont

    {

    public:  // Constructors and destructor

    /**

    * Create a layout font object from the passed in font specification.  

    * The Font category within the specification is the primary determinant of the 

    * typeface that will be selected via fontprovider

    */

    static CAknFontSpecificationLayoutFont* NewL( 

        CBitmapDevice& aScreenDevice, 

        const TAknFontSpecification& aSpec );

    /**

    * Create a layout font object from the passed in Typeface and specification

    * The FontCategory within the TAknFontSpecifation copied into the constructed object is

    * is cleared (set to EAknFontCategoryUndefined).  Font matching will be performed based upon the

    * passed in typeface information. 

    */

    static CAknFontSpecificationLayoutFont* NewL( 

        CBitmapDevice& aScreenDevice, 

        const TTypeface& aTypeface,

        const TAknFontSpecification& aSpec );

    /**

    * C++ Destructor.

    */

    virtual ~CAknFontSpecificationLayoutFont();

    /**

    */

    void ConstructL();

    public: // New functions

    /**

    * Change the font specification and update the binding of the font

    * 

    * @param aFontId    The new font specification

    */

    void UpdateWithSpecification( const TAknFontSpecification& aSpec, const TTypeface& aTypeface );

    public: // Functions from CFont

    public:// Functions from CFbsFont

    private: // Functions from CAknLayoutFont

    CFbsFont* SupplyFont();

    TAknTextDecorationMetrics DoTextDecorationMetrics() const;

    TAknFontSpecification DoFontSpecification() const;

    TInt DoAscentForCharacter( TChar aCharacter ) const;

    void Reserved_1();

    private:

    /**

    * C++ Constructors.

    */

    CAknFontSpecificationLayoutFont( 

        CBitmapDevice& aScreenDevice, 

        const TAknFontSpecification& aSpec);

    CAknFontSpecificationLayoutFont( 

        CBitmapDevice& aScreenDevice, 

        const TTypeface& aTypeface,

        const TAknFontSpecification& aSpec );

    private:

    TAknFontSpecification iSpec;

    TTypeface iTypeface;

    TInt iFontProviderId;   // Identifier in FontProvider for a callback

    TBitFlags32 iFlags; 

    TInt iSpare;

    };

#endif