--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/slideshow/engine/coresrc/shwslideshowengineimpl.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,136 @@
+/*
+* 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 slideshow engine API
+ *
+*/
+
+
+
+
+#ifndef __CSHWSLIDESHOWENGINEIMPL_H__
+#define __CSHWSLIDESHOWENGINEIMPL_H__
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+#include "shwslideshowengine.h"
+#include "shweventobserver.h"
+#include "shweventpublisherbase.h"
+#include <alf/alfbrush.h>
+#include <alf/alfdisplay.h>
+// FORWARD DECLARATIONS
+class MGlxMediaList;
+class CGlxThumbnailContext;
+class CGlxVisualListManager;
+class MGlxVisualList;
+class CShwPlaybackFactory;
+class CShwEventRouter;
+
+class CAlfEnv;
+// CLASS DECLARATION
+
+/**
+ * CCShwSlideshowEngineImpl
+ * 
+ * @author Kimmo Hoikka
+ * @lib shwslideshowengine.lib
+ * @internal reviewed 07/06/2007 by Loughlin
+ */
+NONSHARABLE_CLASS( CShwSlideshowEngineImpl )
+	: public CShwEventPublisherBase,
+	public MShwEventObserver
+	{
+	public: // Constructors and destructor
+
+		/**
+		 * Constructor
+		 * @param aObserver, observer of the engine.
+		 */
+		static CShwSlideshowEngineImpl* NewL( MShwEngineObserver& aObserver );
+
+		/**
+		 * Destructor.
+		 */
+		~CShwSlideshowEngineImpl();
+
+	private:
+		
+		/**
+		 * Constructor for performing 1st stage construction
+		 * @param aObserver, observer of the engine.
+		 */
+		CShwSlideshowEngineImpl( MShwEngineObserver& aObserver );
+
+		/**
+		 * 2nd stage construction
+		 */
+		void ConstructL();
+			
+	public: // the API
+
+		/// @ref CShwSlideshowEngine::StartL
+		void StartL(
+			CAlfEnv& aEnv, 
+			CAlfDisplay& aDisplay, 
+			MGlxMediaList& aItemsToShow,
+			MShwMusicObserver& aMusicObserver,
+			TSize aScreenSize );
+		/// @ref CShwSlideshowEngine::NextItemL
+		void NextItemL();
+		/// @ref CShwSlideshowEngine::PreviousItemL
+		void PreviousItemL();
+		/// @ref CShwSlideshowEngine::PauseL
+		void PauseL();
+		/// @ref CShwSlideshowEngine::ResumeL
+		void ResumeL();
+		/// @ref CShwSlideshowEngine::ToggleUiControlsVisibiltyL
+		void ToggleUiControlsVisibiltyL();
+		/// @ref CShwSlideshowEngine::LSKPressedL
+		void LSKPressedL();
+		/// @ref CShwSlideshowEngine::State
+		CShwSlideshowEngine::TShwState State() const;
+		/// @ref CShwSlideshowEngine::AvailableEffectsL
+		static void AvailableEffectsL( RArray<TShwEffectInfo>& aEffects );
+		/// @ref CShwSlideshowEngine::VolumeUpL
+		void VolumeUpL();
+		/// @ref CShwSlideshowEngine::VolumeDownL
+		void VolumeDownL();
+
+	public: // From MShwEventObserver
+
+		/// @ref MShwEventObserver::NotifyL
+		void NotifyL( MShwEvent* aEvent );
+
+	private:	// Implementation
+
+		/// Ref: the observer
+		MShwEngineObserver& iObserver;
+		/// Own: the media list to play
+		MGlxMediaList* iMediaList;
+		/// Own: the visual list manager
+		CGlxVisualListManager* iVisualListManager;
+		/// Own: the visual list to play
+		MGlxVisualList* iVisualList;
+		/// Own: the factory that creates the event controllers
+		CShwPlaybackFactory* iFactory;
+		/// Own: the event controllers
+		CShwEventRouter* iEventRouter;
+		/// Own: state flag
+		CShwSlideshowEngine::TShwState iState;
+		/// Ref: The HUI display
+		CAlfDisplay* iDisplay;
+	};
+
+#endif // __CSHWSLIDESHOWENGINEIMPL_H__