/*

* Copyright (c) 2005 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:  SVGRenderFrameTimer provides an implementation of timer 

*                for RenderFrames Control

*

*/

#ifndef SVGRENDERFRAMETIMER_H

#define SVGRENDERFRAMETIMER_H

#if !defined(__E32BASE_H__)

#include <e32base.h>

#endif

/**

*  Interface for the render frame timer listener.

*  @lib SVGTScreenSaverPlugin.lib

*  @since 3.1

*/

class MSvgRenderFrameTimerListener

    {

    public:

    /*

    * Function called when timeout occurs

    * @since 3.1

    */

    virtual void AnimationTimeOut() = 0;   

    };

/**

*  Provides the timer functionality for RenderFrames control  

*  @lib SVGTScreenSaverPlugin.lib

*  @since 3.1

*/

class CSvgRenderFrameTimer: public CTimer                            

    {    

    public: 

        /**

        * Two-phased constructor.

        * @since 3.1

        */

        static CSvgRenderFrameTimer* NewL( MSvgRenderFrameTimerListener* 

                                           aListener );

        /**

        * Two-phased constructor.

        * @since 3.1

        */                                           

        static CSvgRenderFrameTimer* NewLC(MSvgRenderFrameTimerListener* 

                                           aListener );

        /**

        * Destructor.

        */

        virtual ~CSvgRenderFrameTimer();              

    public: // CTimer interface methods        

        /**

        * From CActive Implements cancellation of an outstanding request.

        * @since 3.1

        */

        void DoCancel();

        /**

        * From CActive Handles the timer's request completion event.

        * @since 3.1

        */

        void RunL();

    public: // new function(s)

        /**

        * Sets the timeout to the interval specified.

        * @param anInterval the timeout value

        * @since 3.1

        */

        void SetTimeOut( const TTimeIntervalMicroSeconds32& anInterval );

    private:

        /**

        * Default Constructor

        * @since 3.1

        */  

        CSvgRenderFrameTimer( MSvgRenderFrameTimerListener* aListener  );

        /**

        * 2nd phase constructor

        * @since 3.1

        */

        void ConstructL();

    private:        

        // Listener for the timeout

        MSvgRenderFrameTimerListener* iListener;

        };

#endif // SVGRENDERFRAMETIMER_H

// End of File