/*

* Copyright (c) 2007-2008 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:   image provider for image file

*

*/

#ifndef HNATTRIMGPROVSVGIMAGE_H_

#define HNATTRIMGPROVSVGIMAGE_H_

#include "hnattrimgprovider.h"

class CSvgEngineInterfaceImpl;

/**

 *  Image provider class for empty image.

 *  Image provider specialization that loads image

 *  from an image file path.

 *

 *  @lib hnpresentationmodel

 *  @since S60 5.0

 *  @ingroup group_hnpresentationmodel

 */

NONSHARABLE_CLASS( CHnAttrImgProvSvgImage ):

    public CHnAttrImgProvider,

    public MSvgRequestObserver

    {

public:

    /**

     * Two-phase constructor.

     *

     * @since S60 5.0

     * @param aFileName Image file name.

     * @return Fully constructed object.

     */

    IMPORT_C static CHnAttrImgProvSvgImage* NewL( const TDesC& aFileName );

    /**

     * Two-phase constructor.

     *

     * @since S60 5.0

     * @param aFileName Image file name.

     * @return Fully constructed object.

     */

    IMPORT_C static CHnAttrImgProvSvgImage* NewLC( const TDesC& aFileName );

    /**

     * Virtual destructor.

     *

     * @since S60 5.0

     */

    virtual ~CHnAttrImgProvSvgImage();

    /**

     * Gets icon.

     * 

     * @since S60 5.0

     * @param aDesiredSize Desired size of the icon.

     * @return Icon as a CGulIcon pointer.

     */

    CGulIcon* GetIcon( TSize *aDesiredIconSize );

    /**

     * Gets icon holder which contains the icon that GetIcon returns.

     * 

     * @param aDesiredSize Desired size of the icon.

     * @return icon hoder that contains the icon (may return NULL).

     */

    CHnIconHolder* GetIconHolder( TSize* aDesiredIconSize );

private:

    /**

     * Renders the icon.

     * 

     * @since S60 5.0

     * @param aDesiredSize Desired size of the icon.

     * @return Error code.

     */

    TInt RenderIcon( TSize aDesiredIconSize );

    /**

     * Defualt constructor.

     * 

     * @since S60 5.0

     */

    CHnAttrImgProvSvgImage();

    /**

     * Standard symbian 2nd phase constructor.

     * 

     * @since S60 5.0

     * @param aFileName Image file name.

     */

    void ConstructL( const TDesC& aFileName );

public : //from MSvgRequestObserver

	/**

	 * @see MSvgRequestObserver:UpdateScreen

	 */

    void UpdateScreen();

    /**

	 * @see MSvgRequestObserver:MSvgRequestObserver

     */

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

    /**

	 * @see MSvgRequestObserver:FetchImage

     */

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

	/**

	 * @see MSvgRequestObserver:FetchFont    

	 */

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

    /**

	 * @see MSvgRequestObserver:UpdatePresentation

     */

    void UpdatePresentation(const TInt32&  aNoOfAnimation);    

private: // data

    /**

     * Bitmap. Not Own. GulIcon takes ownership.

     */

    CFbsBitmap* iBitmap;

    /**

     * Mask. Not Own. GulIcon takes ownership.

     */

    CFbsBitmap* iMask;

    /**

     * Mask. Own. Dummy for the engine.

     */

    CFbsBitmap* iDummyBitmap;

	/**

	* SVG Engine instance

	*/    

    CSvgEngineInterfaceImpl* iSvgEngine;

	/**

	* Handle to the svg dom tree.

	*/    

    TInt iHandle;

    };

#endif // HNATTRIMGPROVSVGIMAGE_H_