diff -r 000000000000 -r 4e91876724a2 photosgallery/slideshow/engine/effectsrc/shwtimedvalue.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/effectsrc/shwtimedvalue.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,170 @@
+/*
+* Copyright (c) 2007-2008 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:    Wrapper on top of THuiTimedValue to enable pause / resume
+ *
+*/
+
+
+
+
+#ifndef __SHWTIMEDVALUE_H__
+#define __SHWTIMEDVALUE_H__
+
+//  Include Files
+#include <e32std.h>
+#include <alf/alftimedvalue.h>
+//#include <uiacceltk/huitimedpoint.h>
+
+/**
+ * Wrapper class to enable pause and resume for timed values.
+ *
+ * @author Kimmo Hoikka
+ * @lib shwslideshowengine.lib
+ */
+NONSHARABLE_CLASS( TShwTimedValue )
+	{
+	public:	// the API
+
+		/**
+		 * Constructor, initializes value to zero
+		 */
+		inline TShwTimedValue();
+
+		/**
+		 * Sets the interpolation style
+		 * @param aStyle, @ref THuiInterpolationStyle
+		 */
+		inline void SetStyle( TAlfInterpolationStyle aStyle );
+
+		/**
+		 * Sets the value to be aValue now
+		 * @param aValue the target value
+		 */
+		inline void Set( TReal32 aValue );
+
+		/**
+		 * Sets the value to be aValue after the specified aTime
+		 * @param aValue the target value
+		 * @param aTime the target time for the value
+		 */
+		inline void Set( TReal32 aValue, TInt aTime );
+
+		/**
+		 * Return the current interpolated value.
+		 * @return the current value
+		 */
+		inline TReal32 Now();
+
+		/**
+		 * Return the target value.
+		 * @return the current value
+		 */
+		inline TReal32 Target();
+
+		/**
+		 * @return ETrue if the value has changed since last time
+		 */
+		inline TBool Changed() const;
+
+		/**
+		 * Clears the changed flag
+		 */
+		inline void ClearChanged();
+
+		/**
+		 * Pauses the timed value
+		 */
+		inline void Pause();
+
+		/**
+		 * Resumes the timed value
+		 */
+		inline void Resume();
+
+	private:	// Data
+
+		TAlfTimedValue iTimedValue;
+		TBool iPaused;
+		TReal32 iTargetValue;
+		TInt iRemainingTime;
+
+	};
+
+/**
+ * Wrapper class to enable pause and resume for timed values
+ */
+NONSHARABLE_CLASS( TShwTimedSize )
+	{
+	public:	// the API
+
+		/**
+		 * Constructor, initializes value to zero
+		 */
+		inline TShwTimedSize();
+
+		/**
+		 * Sets the interpolation style
+		 * @param aStyle, @ref THuiInterpolationStyle
+		 */
+		inline void SetStyle( TAlfInterpolationStyle aStyle );
+
+		/**
+		 * Sets the value to be aValue now
+		 * @param aValue the target value
+		 */
+		inline void Set( TAlfRealSize aValue );
+
+		/**
+		 * Sets the value to be aValue after the specified aTime
+		 * @param aValue the target value
+		 * @param aTime the target time for the value
+		 */
+		inline void Set( TAlfRealSize aValue, TInt aTime );
+
+		/**
+		 * Return the current interpolated value.
+		 * @return the current value
+		 */
+		inline TAlfRealSize Now();
+
+		/**
+		 * @return ETrue if the value has changed since last time
+		 */
+		inline TBool Changed() const;
+
+		/**
+		 * Clears the changed flag
+		 */
+		inline void ClearChanged();
+
+		/**
+		 * Pauses the timed value
+		 */
+		inline void Pause();
+
+		/**
+		 * Resumes the timed value
+		 */
+		inline void Resume();
+
+	public:	// Data
+
+		TShwTimedValue iWidth;
+		TShwTimedValue iHeight;
+
+	};
+
+#include "shwtimedvalue.inl"
+
+#endif	// __SHWTIMEDVALUE_H__