/*

* Copyright (c) 2002 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:  Format Handler for NGA(will create an extended bitmap)

*

*

*/

#ifndef AKN_NGA_FORMAT_HANDLER_H

#define AKN_NGA_FORMAT_HANDLER_H

// INCLUDES

#include <e32std.h>

#include <SVGEngineInterfaceImpl.h>

#include <SVGRequestObserver.h>

#include "AknIconFormatHandler.h"

// FORWARD DECLARATIONS

class CFbsBitmap;

class MAknIconChangeObserver;

// CLASS DECLARATION

/**

 * CAknNGAFormatHandler

 * Format Handler for NGA(will create an extended bitmap)

 */

NONSHARABLE_CLASS(CAknNGAFormatHandler) :

    public CBase,

    public MAknIconFormatHandler,

    public MSvgRequestObserver

	{

public:

    static CAknNGAFormatHandler* NewL(TInt aType,TSize aBitmapSize,TDisplayMode aBitmapDspMode,TDisplayMode aMaskDspMode);

    ~CAknNGAFormatHandler();

public: // From MAknIconFormatHandler

    void SetScaleMode( TScaleMode aMode );

    void SetRotation( TInt aAngle );

    void GetContentDimensionsL( TAknContentDimensions& aContentDimensions );

    void SetObserver( MAknIconChangeObserver *aObserver );

    void SupportedDisplayMode(

        TDisplayMode& aMode, TDisplayMode aPreferredMode );

    void PrepareIconL( const TDesC8& aIconData, TInt& aHandle );

    void UsePreparedIconL( TInt aHandle );

    void RenderPreparedIconL(

        CFbsBitmap* aBitmap,

        CFbsBitmap* aMask,TSize Bitmapsize=TSize(0,0),TDisplayMode Bitmapdepth=ENone,TDisplayMode Maskdepth=ENone, TRgb aColor = TRgb(0,0,0),  TBool aIsAppIcon = EFalse);

    void UnprepareIcon( TInt aHandle );

    void SetAnimated( TBool aAnimated );

    TInt IconFormatType();

private: // From MSvgRequestObserver

    void UpdateScreen();

    TBool ScriptCall( const TDesC& aScript,CSvgElementImpl* aCallerElement );

    TInt FetchImage( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );

    void UpdatePresentation(const TInt32&  aNoOfAnimation);

    TInt FetchFont( const TDesC& aUri, RFs& aSession, RFile& aFileHandle );

private:

    void InitializeEngineL();

    void CheckHandleActivatedL( CFbsBitmap* aBitmap, CFbsBitmap* aMask );

    static void LeaveIfErrorL( MSvgError* aError );

    static TInt SvgErrorToSymbianError( const TSvgErrorCode aError );

    static void CleanupNullMaskPointer( TAny* aParam );

    void SetEngineScaleMode();

    private: // Private constructors

        CAknNGAFormatHandler(TSize aBitmapSize,TDisplayMode aBitmapDspMode,TDisplayMode aMaskDspMode);

        void ConstructL(TInt aType);

        void FormCommonHeader(const CFbsBitmap *aBitmap, TBool isMask = EFalse,TRgb aColor=TRgb(0,0,0), TBool aMarginFlag=EFalse);

private:

    CSvgEngineInterfaceImpl* iSvgEngine;

    MAknIconChangeObserver* iObserver;

    CFbsBitmap* iDummyBitmap; // TODO: remove when can

    CFbsBitmap* iMask; // not owned

    TInt iMode;

    TInt iAngle;

    TBool iAnimated;

    TSize iBitmapSize;

    TDisplayMode iBitmapDspMode;

    TDisplayMode iMaskDspMode;

    TInt iHandle;

    enum

        {

        ENotActivated = 0,

        EActivated = 1,

        EActivatedWithFrameBuffer = 2

        };

    TInt iHandleActivationStatus;

    HBufC8 *            iData;

    };

#endif      // AKN_NGA_FORMAT_HANDLER_H

// End of File