/*

* Copyright (c) 2003 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:  SVG Implementation header file

 *

*/

#ifndef _INC_CSVGAELEMENTIMPL_

#define _INC_CSVGAELEMENTIMPL_

//

#include "GfxFloatFixPt.h"

#include "SVGElementImpl.h"

#include "SVGListener.h"

class   CSvgDocumentImpl;

/**

 * Class description goes here.

 *

 *  @lib SVGEngine.lib

 *  @since 1.0

 */

class CSvgAElementImpl : public CSvgElementImpl,

						 public MSvgMouseListener

    {

    public:

        // Constructor/deconstructor

		/**

		 * Need method description

		 *

		 * @since 1.0

		 * @param

		 * @return

		 */

		static CSvgAElementImpl*NewL( const TUint8 aElemID,

									  CSvgDocumentImpl* aDoc );

		/**

		 * Need method description

		 *

		 * @since 1.0

		 * @param

		 * @return

		 */

		static CSvgAElementImpl*NewLC(  const TUint8 aElemID,

									   CSvgDocumentImpl* aDoc );

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        virtual                 ~CSvgAElementImpl();

    private:

		/**

		 * Need method description

		 *

		 * @since 1.0

		 * @param

		 * @return

		 */

		void                    ConstructL(  const TUint8 aElemID );

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

                                CSvgAElementImpl( CSvgDocumentImpl* aDoc );

    public:

        // From MXmlElement API

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        TInt                    SetAttributeL( const TDesC& aName,

                                               const TDesC& aValue );

        TBool 							SetTargetL( const TDesC& aName, const TDesC& aValue );

        const TDesC&        Target();

		void					GetBBox( TGfxRectangle2D& aBbox );

		void 					GetUnscaledBBox( TGfxRectangle2D& aBbox );

        // From CSvgElementImpl

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        MXmlElement*        CloneL( MXmlElement* aParentElement);

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        TBool                   DrawL( CGfx2dGc* aGc,

                                       CSvgElementImpl* aElement );

        // From MEventReceiver

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        TBool                   ReceiveEventL( MSvgEvent* aEvent );

		void Reset(MSvgEvent* aEvent);

		TInt SetAttributeDesL( const TInt aNameId,

                                             const TDesC& aValue );

		TInt GetAttributeDes( const TInt aNameId, TPtrC16& aValue );

        /**

         * Return wether an svg element is displayable, such as <rect>, <circle>, or

         * an abstract element, such as <g>, <animate>.

         *

         * @since 1.0

         * @param None

         * @return ETrue if element is viewable.

         */

        TBool               IsViewable() { return ETrue; }

        /**

         * Notified when the mouse pointer enters a visible svg element.

         *

         * @since 1.0

         * param : aElements -- SVG elements containing the mouse point.

         * param : aX -- x coordinate of mouse pointer.

         * param : aY -- y coordinate of mouse pointer.

         * @return : For future use.  Value is ignored.

         */

        TBool MouseEntered( RPointerArray<CSvgElementImpl>& aElements,

                                    TInt aX, TInt aY );

        /**

         * Notified when the mouse pointer exits a visible svg element.

         *

         * @since 1.0

         * param : aElements -- SVG elements containing the mouse point.

         * param : aX -- x coordinate of mouse pointer.

         * param : aY -- y coordinate of mouse pointer.

         * @return : For future use.  Value is ignored.

         */

        TBool MouseExited( RPointerArray<CSvgElementImpl>& aElements,

                                   TInt aX, TInt aY );

        /**

         * Notified when the mouse pointer is pressed down on visible svg element.

         *

         * @since 1.0

         * param : aElements -- SVG elements containing the mouse point.

         * param : aX -- x coordinate of mouse pointer.

         * param : aY -- y coordinate of mouse pointer.

         * @return : For future use.  Value is ignored.

         */

        TBool MousePressed( RPointerArray<CSvgElementImpl>& aElements,

                                    TInt aX, TInt aY );

        /**

         * Notified when the mouse pointer is released on on visible svg element.

         *

         * @since 1.0

         * param : aElements -- SVG elements containing the mouse point.

         * param : aX -- x coordinate of mouse pointer.

         * param : aY -- y coordinate of mouse pointer.

         * @return : For future use.  Value is ignored.

         */

        TBool MouseReleased( RPointerArray<CSvgElementImpl>& aElements,

                                    TInt aX, TInt aY );

        /**

         * Notified when the mouse pointer is released on on visible svg element.

         *

         * @since 1.0

         * param : aElements -- SVG elements containing the mouse point.

         * param : aX -- x coordinate of mouse pointer.

         * param : aY -- y coordinate of mouse pointer.

         * @return : For future use.  Value is ignored.

         */

        TBool MouseMoved( RPointerArray<CSvgElementImpl>& aElements,

                          TInt aX, TInt aY );

		void	Print( TBool aIsEncodeOn );

    private:

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        void                    AddEventReceiverSubtreeL( CSvgElementImpl* aElement );

        /**

         * Need method description

         *

         * @since 1.0

         * @param

         * @return

         */

        TBool                   IsChild( CSvgElementImpl* aSubtree,

                                         CSvgElementImpl* aElement );

    private:

        TBool                   iInitDone;

        HBufC*									iTarget;

    };

#endif