--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/svgtopt/SVG/SVGEngine/inc/SVGTimer.h	Thu Jan 07 16:19:02 2010 +0200
@@ -0,0 +1,225 @@
+/*
+* 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_CSVGTIMER__
+#define __INC_CSVGTIMER__
+
+#if !defined(__E32BASE_H__)
+#include <e32base.h>
+#endif
+#include "GfxFloatFixPt.h"
+
+// Maximum frame rate: 15 fps
+const TUint32 KMinFrameDelay = 33;       // milliseconds
+const TUint32 KMinSleepDuration = 1;     // milliseconds
+
+// Minimum sleep duration in msecs
+const TUint32 KMinSleepDurationInMsecs = 1000;
+
+class CSvgEngineImpl;
+class CSvgTimeContainer;
+
+/**
+ * A Timer class that wraps Symbian CTimer class
+ * All the essential functionality is same
+ * Adds additional capabilities such as frames, frames per second information,
+ * ability to specify/change duration etc.
+ *
+ *  @lib SVGEngine.lib
+ *  @since 1.0
+ */
+class CSvgTimer : public CTimer
+    {
+    public:
+
+        /**
+         * Two phase constructor
+         *
+         * @since 1.0
+         * @param aTimeContainer - Pointer to the Time Container
+         * @return An instance of the CSvgTimer
+         */
+        static CSvgTimer*   NewLC( CSvgTimeContainer* 
+            aTimeContainer );
+
+        /**
+         * Two phase constructor
+         *
+         * @since 1.0
+         * @param aTimeContainer - Pointer to the Time Container
+         * @return An instance of the CSvgTimer
+         */
+        static CSvgTimer*   NewL( CSvgTimeContainer* 
+            aTimeContainer );
+            
+        /**
+         * Destructor
+         *
+         * @since 1.0
+         * @param None
+         * @return None
+         */
+                            ~CSvgTimer();
+
+    public:
+        // Defined as pure virtual by CActive;
+
+        /**
+         * Standard Active Object DoCancel
+         *
+         * @since 1.0
+         * @param None
+         * @return None
+         */
+        void                DoCancel();
+
+        /**
+         * Standard Active Object RunL
+         *
+         * @since 1.0
+         * @param
+         * @return
+         */
+        void                RunL();
+
+
+       /**
+         * Reset the time
+         *
+         * @since 1.0
+         * @param None
+         * @return None
+         */
+        void    ResetTime();
+
+        /**
+         * CHange the duration of the timer
+         *
+         * @since 1.0
+         * @param aTimerDuration - An integer that is the new duration
+         * @return None
+         */
+        void    ChangeFrameDuration( TUint32 aTimerDuration );
+
+
+        /**
+         * Return the frames per second information
+         *
+         * @since 1.0
+         * @param None
+         * @return An integer that is the number of frames per second
+         */
+        TUint   Fps();
+
+        /**
+         * Resume function
+         *
+         * @since 1.0
+         * @param aTime Time in msecs to resume after(Must be Positive)
+         * @return An integer that is the number of frames per second
+         */
+        void   SVGResume( TInt32 aTime );
+
+        /**
+         * Pause function
+         *
+         * @since 1.0
+         * @param None
+         * @return An integer that is the number of frames per second
+         */
+        void   SVGStop();
+
+        /**
+         * Set Start Time for animation
+         *
+         * @since 1.0
+         * @param None
+         * @return None
+         */
+        void SetStartTime();
+
+        /**
+         * Set the timer to forward/rewind animation
+         *
+         * @since 1.0
+         * @param aTime - in microseconds
+         * @return None
+         */
+        void SetSeekTime( TUint32 aTime );
+
+        /**
+         * Set whether each frame generated should be time-base or
+         * frame-based.
+         *
+         * @since 1.0
+         * @param aKeepStrictFrameDuration - if ETrue then
+         * every cycle of RunL will generate a frame with the elapsed
+         * time set by ChangeFrameDuration().
+         * @return None
+         */
+        void SetStrictFrameDuration( TBool aKeepStrictFrameDuration );
+
+    protected:
+
+        /**
+         * Private constructor
+         *
+         * @since 1.0
+         * @param aSvgEngine - A pointer to the SVG Engine
+         * @return None
+         */
+         CSvgTimer( CSvgTimeContainer* 
+            aTimeContainer );
+        /**
+         * A private constructor that constructs heap objects
+         *
+         * @since 1.0
+         * @param None
+         * @return None
+         */
+        void                ConstructL();
+
+    private:
+        static TUint32 GetElapsedMilliseconds( TTime& aStart, TTime& aEnd );
+
+        /**
+         * Request svg engine to generate frame at the given time in
+         * milliseconds
+         *
+         * @since 1.0
+         * @param aTime - milliseconds
+         * @return None
+         */
+        TUint32 GenerateFrameL( TUint32 aTime );
+
+
+        CSvgTimeContainer* iTimeContainer;
+
+        TUint32             iTime;          // in millisecond
+        TUint32             iFrameDuration; // in millisecond
+        TTime               iPreviousFrameTime;
+
+        TUint32             iFrames;        // for debug. counting FPS
+
+        // Frame-based or time-based (default)
+        TBool               iIsStrictFrameDuration;
+
+        TBool               iFirstFrameDrawn;
+    };
+
+#endif //__INC_CSVGTIMER__