--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/effectsrc/shwcrossfadeeffect.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,99 @@
+/*
+* 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:    The crossfade effect
+ *
+*/
+
+
+
+
+#ifndef __SHWCROSSFADEEFFECT_H__
+#define __SHWCROSSFADEEFFECT_H__
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+#include <alf/alfvisual.h>
+#include <alf/alfenv.h>
+
+#include "shweffect.h"
+
+// FORWARD DECLARATIONS
+
+// CLASS DECLARATION
+
+/**
+ * CShwCrossFadeEffect, the crossfade effect.
+ * Shows images in full screen in view mode and performs smooth crossfade in transition.
+ *
+ * @lib shwslideshowengine.lib
+ * @internal reviewed 07/06/2007 by Loughlin
+ */
+NONSHARABLE_CLASS( CShwCrossFadeEffect )
+	: public CBase, public MShwEffect
+	{
+	public:
+
+		/**
+		 * Contructor.
+		 */
+		static CShwCrossFadeEffect* NewLC();
+
+		/**
+		 * Destructor.
+		 */
+		~CShwCrossFadeEffect();
+
+	private:
+
+		/**
+		 * C++ contructor.
+		 */
+		CShwCrossFadeEffect();
+
+	public: // from MShwEffect
+
+		/// @ref MShwEffect::CloneLC
+		MShwEffect* CloneLC();
+		/// @ref MShwEffect::InitializeL
+		void InitializeL( 
+    		CAlfEnv* aHuiEnv, MGlxVisualList* aVisualList,
+		    MGlxMediaList* aMediaList, TSize aScreenSize );
+		/// @ref MShwEffect::PrepareViewL
+		TSize PrepareViewL( CAlfVisual* aVisual, TSize aImageSize );
+		/// @ref MShwEffect::EnterViewL
+		MGlxLayout* EnterViewL( 
+			CAlfVisual* aVisual, TInt aDuration, TInt aFadeInDuration );
+		/// @ref MShwEffect::ExitView
+		void ExitView( CAlfVisual* aVisual );
+		/// @ref MShwEffect::EnterTransitionL
+		MGlxLayout* EnterTransitionL( CAlfVisual* aVisual, TInt aDuration );
+		/// @ref MShwEffect::ExitTransition
+		void ExitTransition( CAlfVisual* aVisual );
+		/// @ref MShwEffect::PauseL
+		void PauseL();
+		/// @ref MShwEffect::Resume
+		void Resume();
+        /// @ref MShwEffect:EffectInfo
+        TShwEffectInfo EffectInfo();
+        
+	private:
+
+		/// Own: the implementation
+		class CShwCrossFadeEffectImpl;
+		CShwCrossFadeEffectImpl* iImpl;
+
+	};
+
+#endif // __SHWCROSSFADEEFFECT_H__