1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  SVGRenderFrameTimer provides an implementation of timer 

    15 *                for RenderFrames Control

    16 *

    17 */

    18 

    19 

    20 #ifndef SVGRENDERFRAMETIMER_H

    21 #define SVGRENDERFRAMETIMER_H

    22 

    23 #if !defined(__E32BASE_H__)

    24 #include <e32base.h>

    25 #endif

    26 

    27 /**

    28 *  Interface for the render frame timer listener.

    29 *  @lib SVGTScreenSaverPlugin.lib

    30 *  @since 3.1

    31 */

    32 class MSvgRenderFrameTimerListener

    33     {

    34 

    35     public:

    36     /*

    37     * Function called when timeout occurs

    38     * @since 3.1

    39     */

    40     virtual void AnimationTimeOut() = 0;   

    41    

    42     };

    43 

    44 /**

    45 *  Provides the timer functionality for RenderFrames control  

    46 *  @lib SVGTScreenSaverPlugin.lib

    47 *  @since 3.1

    48 */

    49 class CSvgRenderFrameTimer: public CTimer                            

    50     {    

    51     

    52     public: 

    53         

    54         /**

    55         * Two-phased constructor.

    56         * @since 3.1

    57         */

    58         static CSvgRenderFrameTimer* NewL( MSvgRenderFrameTimerListener* 

    59                                            aListener );

    60                                            

    61         /**

    62         * Two-phased constructor.

    63         * @since 3.1

    64         */                                           

    65         static CSvgRenderFrameTimer* NewLC(MSvgRenderFrameTimerListener* 

    66                                            aListener );

    67         

    68         /**

    69         * Destructor.

    70         */

    71         virtual ~CSvgRenderFrameTimer();              

    72         

    73         

    74     public: // CTimer interface methods        

    75          

    76 

    77         /**

    78         * From CActive Implements cancellation of an outstanding request.

    79         * @since 3.1

    80         */

    81         void DoCancel();

    82 

    83         /**

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

    85         * @since 3.1

    86         */

    87         void RunL();

    88    

    89     public: // new function(s)

    90     

    91         /**

    92         * Sets the timeout to the interval specified.

    93         * @param anInterval the timeout value

    94         * @since 3.1

    95         */

    96         void SetTimeOut( const TTimeIntervalMicroSeconds32& anInterval );

    97        

    98     

    99     private:

   100     

   101         /**

   102         * Default Constructor

   103         * @since 3.1

   104         */  

   105         CSvgRenderFrameTimer( MSvgRenderFrameTimerListener* aListener  );

   106         

   107         /**

   108         * 2nd phase constructor

   109         * @since 3.1

   110         */

   111         void ConstructL();

   112 

   113     private:        

   114         

   115         // Listener for the timeout

   116         MSvgRenderFrameTimerListener* iListener;

   117                

   118         };

   119 

   120 #endif // SVGRENDERFRAMETIMER_H

   121 // End of File