/*

* 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 Engine header file

 *

*/

#ifndef __INC_SVGEVENT_H__

#define __INC_SVGEVENT_H__

#if !defined(__E32BASE_H__)

#include <e32base.h>

#endif

#include "GfxFloatFixPt.h"

//*******************************************************

// constants

const TUint8    KSvgEventMaskNone           = 0x0;

const TUint8    KSvgEventMaskExternalUI     = 0x1;

const TUint8    KSvgEventMaskTimer          = 0x2;

const TUint8    KSvgEventMaskInternal       = 0x4;

const TUint8    KSvgEventMaskExternalSystem = 0x8;

enum TSvgEngineEventType

    {

    ESvgEngineEventTimerPrep,

    ESvgEngineEventTimer,

    ESvgEngineInternalEvent,

    ESvgEngineEventMouseDown,

    ESvgEngineEventMouseUp,

    ESvgEngineEventMouseMove,

    ESvgEngineEventKeyPress,

    ESvgEngineEventScreenUpdate

    };

enum TSvgEvent

    {

    // 26 events defined in SVG spec

    ESvgEventFocusin                            = 0,

    ESvgEventFocusout                           = 1,

    ESvgEventActivate                           = 2,

    ESvgEventClick                              = 3,

    ESvgEventMousedown                          = 4,

    ESvgEventMouseup                            = 5,

    ESvgEventMouseover                          = 6,

    ESvgEventMousemove                          = 7,

    ESvgEventMouseout                           = 8,

    ESvgEventDOMSubtreeModified                 = 9,

    ESvgEventDOMNodeInserted                    = 10,

    ESvgEventDOMNodeRemoved                     = 11,

    ESvgEventDOMNodeRemovedFromDocument         = 12,

    ESvgEventDOMNodeInsertedIntoDocument        = 13,

    ESvgEventDOMAttrModified                    = 14,

    ESvgEventDOMCharacterDataModified           = 15,

    ESvgEventSVGLoad                            = 16,

    ESvgEventSVGUnload                          = 17,

    ESvgEventSVGAbort                           = 18,

    ESvgEventSVGError                           = 19,

    ESvgEventSVGResize                          = 20,

    ESvgEventSVGScroll                          = 21,

    ESvgEventSVGZoom                            = 22,

    ESvgEventBeginEvent                         = 23,

    ESvgEventEndEvent                           = 24,

    ESvgEventRepeatEvent                        = 25,

        // Extension for implementation

    ESvgEventKey                                = 100,

    ESvgEventWallClock                          = 101,

    ESvgEventNone                               = -1

    };

class   CSvgElementImpl;

class MSvgEvent

    {

    public:

         /**

         * Accessor that returns the event mask

         *

         * @since 1.0

         * @param None

         * @return An integer that is the event mask

         */

        virtual TUint8              EventMask() = 0;

         /**

         * Accessor for the event type

         *

         * @since 1.0

         * @param None

         * @return A TSvgEngineEventType that is the event type

         */

        virtual TSvgEngineEventType EventType() = 0;

    };

/**

 * Class description goes here.

 *

 *  @lib SVGEngine.lib

 *  @since 1.0

 */

class MSvgTimerEvent : public MSvgEvent

    {

    public:

        /**

         * Accessor that returns the time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the time of the event

         */

        virtual TUint32  Time() = 0;

        /**

         * Accessor that returns the begin time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the begin time of the event

         */

        virtual TInt32          BeginTime() = 0;

        /**

         * Accessor that sets time of the event

         *

         * @since 1.0

         * @param TInt32 An integer that is the begin time of the event

         * @return none

         */

        virtual void SetTime(TInt32 aTime) = 0;

        /**

         * Accessor that sets the begin time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the begin time

         * @return None

         */

        virtual void            SetBeginTime( TInt32 aTime ) = 0;

    };

// An internal event specialization

class MSvgInternalEvent : public MSvgEvent

    {

    public:

virtual TBool       UserSeek() = 0;

        /**

         * Return a pointer the element that is the target for the event

         *

         * @since 1.0

         * @param None

         * @return A pointer to the target element

         */

        virtual CSvgElementImpl* ObjectAddress() = 0;

        /**

         * Return the event description

         *

         * @since 1.0

         * @param None

         * @return A TSvgEvent type

         */

        virtual TSvgEvent       SvgEvent() = 0;

        /**

         * Accessor that returns the time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the time of the event

         */

        virtual TInt32          Time() = 0;

        /**

         * Accessor that sets the time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the time of the event

         * @return

         */

        virtual void            SetTime( TInt32 aTime ) = 0;

         /**

         * Accessor that returns the begin time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the begin time of the event

         */

        virtual TInt32          BeginTime() = 0;

         /**

         * Accessor that sets the begin time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the begin time

         * @return None

         */

        virtual void            SetBeginTime( TInt32 aTime ) = 0;

    };

// A UI Mouse event specialization

class MSvgUiMouseEvent : public MSvgEvent

    {

    public:

        /**

         * Accessor for the x coordinate of the mouse event

         *

         * @since 1.0

         * @param None

         * @return A fixed point that is the x coordinate of the event

         */

        virtual TFloatFixPt  X() = 0;

        /**

         * Accessor for the y coordinate of the mouse event

         *

         * @since 1.0

         * @param None

         * @return A fixed point that is the y coordinate of the event

         */

        virtual TFloatFixPt  Y() = 0;

    };

// A UI Key event specialization

class MSvgUiKeyEvent : public MSvgEvent

    {

    public:

        /**

         * Accessor that returns the key code of the event

         *

         * @since 1.0

         * @param

         * @return

         */

        virtual TUint32 KeyCode() = 0;

        /**

         * Accessor that returns the time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the time of the event

         */

        virtual TInt32  Time() = 0;

        /**

         * Accessor that sets the time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the time of the event

         * @return

         */

        virtual void    SetTime( TInt32 aTime ) = 0;

         /**

         * Accessor that returns the begin time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the begin time of the event

         */

        virtual TInt32 BeginTime() = 0;

         /**

         * Accessor that sets the begin time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the begin time

         * @return None

         */

        virtual void SetBeginTime( TInt32 aTime ) = 0;

    };

//*******************************************************

class TSvgUiMouseEvent : public MSvgUiMouseEvent

    {

    public:

        /**

         * Constructor

         *

         * @since 1.0

         * @param aEtype - A TSvgEngineEventType representing the event type

         * @param aX - x coordinate of the event

         * @param aY - y coordinate of the event

         * @return

         */

        TSvgUiMouseEvent( TSvgEngineEventType aEtype, TFloatFixPt aX, TFloatFixPt aY );

        /**

         * Accessor that returns the event mask

         *

         * @since 1.0

         * @param None

         * @return An integer that is the event mask

         */

        TUint8              EventMask();

        /**

         * Accessor for the event type

         *

         * @since 1.0

         * @param None

         * @return A TSvgEngineEventType that is the event type

         */

        TSvgEngineEventType EventType();

        /**

         * Accessor for the x coordinate of the mouse event

         *

         * @since 1.0

         * @param None

         * @return A fixed point that is the x coordinate of he event

         */

        TFloatFixPt              X();

        /**

         * Accessor for the y coordinate of the mouse event

         *

         * @since 1.0

         * @param None

         * @return A fixed point that is the y coordinate of the event

         */

        TFloatFixPt              Y();

    public:

        TSvgEngineEventType iEtype;

        TFloatFixPt              iX;

        TFloatFixPt              iY;

    };

class TSvgUiKeyEvent : public MSvgUiKeyEvent

    {

    public:

        /**

         * Accessor that returns the key code of the event

         *

         * @since 1.0

         * @param

         * @return

         */

        TSvgUiKeyEvent( TUint32 aKeyCode );

        /**

         * Accessor that returns the event mask

         *

         * @since 1.0

         * @param None

         * @return An integer that is the event mask

         */

        TUint8 EventMask();

        /**

         * Accessor for the event type

         *

         * @since 1.0

         * @param None

         * @return A TSvgEngineEventType that is the event type

         */

        TSvgEngineEventType EventType();

        /**

         * Accessor that returns the key code of the event

         *

         * @since 1.0

         * @param

         * @return

         */

        TUint32 KeyCode();

        /**

         * Accessor that returns the time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the time of the event

         */

        TInt32 Time();

        /**

         * Accessor that sets the time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the time of the event

         * @return None

         */

        void SetTime( TInt32 aTime );

        /**

         * Accessor that returns the begin time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the begin time of the event

         */

        TInt32 BeginTime();

        /**

         * Accessor that sets the begin time of the event

         *

         * @since 1.0

         * @param aTime - An integer that is the begin time

         * @return None

         */

        void SetBeginTime( TInt32 aTime );

    private:

        TUint32 iKeyCode;

        TInt32  iTime;

        TInt32  iBeginTime;

    };

//

class TSvgTimerEventPrep : public MSvgTimerEvent

    {

    public:

        /**

         * Constructor

         *

         * @since 1.0

         * @param aTime - An integer that is the event time

         * @return None

         */

        TSvgTimerEventPrep( TUint32 aTime );

        /**

         * Accessor that returns the event mask

         *

         * @since 1.0

         * @param None

         * @return An integer that is the event mask

         */

        TUint8 EventMask();

        /**

         * Accessor for the event type

         *

         * @since 1.0

         * @param None

         * @return A TSvgEngineEventType that is the event type

         */

        TSvgEngineEventType EventType();

        /**

         * Accessor that returns the time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the time of the event

         */

        TUint32 Time();

    private:

        TInt32  iTime;

    };

class TSvgTimerEvent : public MSvgTimerEvent

    {

    public:

        /**

         * Constructor

         *

         * @since 1.0

         * @param aTime - An integer that is the time of the event

         * @return None

         */

        TSvgTimerEvent( TUint32 aTime );

        /**

         * Accessor that returns the event mask

         *

         * @since 1.0

         * @param None

         * @return An integer that is the event mask

         */

        TUint8 EventMask();

        /**

         * Accessor for the event type

         *

         * @since 1.0

         * @param None

         * @return A TSvgEngineEventType that is the event type

         */

        TSvgEngineEventType EventType();

        /**

         * Accessor that returns the time of the event

         *

         * @since 1.0

         * @param None

         * @return An integer that is the time of the event

         */

        TUint32 Time();

        /**

         * Accessor that sets time of the event

         *