diff -r 000000000000 -r 4e91876724a2 photosgallery/slideshow/engine/effectsrc/shwcrossfadelayout.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/effectsrc/shwcrossfadelayout.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,84 @@
+/*
+* 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:   Layout that performs cross fade
+ *
+*/
+
+
+
+#ifndef __SHWCROSSFADELAYOUT_H__
+#define __SHWCROSSFADELAYOUT_H__
+
+#include <glxlayout.h>
+
+#include "shwtimedvalue.h"
+
+// FORWARD DECLARATIONS
+class CHuiCurvePath;
+
+/**
+ * TShwCrossFadeLayout. 
+ * Layout that handles crossfade effect.
+ * @author Kimmo Hoikka
+ * @lib shwslideshowengine.lib
+ * @internal reviewed 07/06/2007 by Loughlin
+ */
+NONSHARABLE_CLASS( TShwCrossFadeLayout ) : public TGlxLayout
+	{
+	public:
+
+		/**
+		 * Constructor, initializes the layout.
+		 */
+		TShwCrossFadeLayout();
+
+		/**
+		 * Destructor
+		 */
+		~TShwCrossFadeLayout();
+
+		/**
+		 * Specifies the opacity value
+		 * @param aOpacity the desired opacity target
+		 * @param aDuration the target time for opacity
+		 */
+		void Set( TReal32 aOpacity, TInt aDuration = 0 );
+
+		/**
+		 * This method pauses zoom and pan
+		 */
+		void Pause();
+
+		/**
+		 * This method resumes zoom and pan after pause.
+		 */
+		void Resume();
+
+	protected:	// From TGlxLayout
+
+		/// @ref TGlxLayout::DoSetLayoutValues
+		void DoSetLayoutValues( TGlxLayoutInfo& aInfo );
+		/// @ref TGlxLayout::DoChanged
+		TBool DoChanged() const;
+		/// @ref TGlxLayout::DoClearChanged
+		void DoClearChanged();
+
+	private:	// Data and private parts
+
+		/// Own: the opacity
+		TShwTimedValue iOpacity;
+
+	};
+
+#endif // __SHWCROSSFADELAYOUT_H__