--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/visuallistmanager/inc/glxvisualiconmanager.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,180 @@
+/*
+* Copyright (c) 2008-2009 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:    Icon manager for visuals
+*
+*/
+
+
+
+
+/**
+ * @internal reviewed 31/07/2007 by Rowland Cook
+ */
+ 
+
+#ifndef C_GLXVISUALICONMANAGER_H
+#define C_GLXVISUALICONMANAGER_H
+
+#include <e32base.h>
+
+#include "glxiconmanager.h"
+#include <mglxanimationobserver.h>
+#include "mglxvisualobjectstatusobserver.h"
+#include <alf/alftexture.h>
+#include <glxmedia.h>
+
+// FORWARD DECLARES
+struct TIconInfo;
+class CAlfVisual;
+class TGlxMediaId;
+class CAlfTexture;
+class CGlxTextureManager;
+
+/**
+ *  CGlxVisualIconManager
+ * 
+ *  Icon manager for visuals
+ *  Handles adding default or broken icon if required.
+ *  If thumbnail not present look for icon attribute
+ *  @author M Byrne
+ *	@lib glxvisuallistmanager 
+ */
+NONSHARABLE_CLASS( CGlxVisualIconManager ) : public CGlxIconManager,
+        public MGlxAnimationObserver, public MGlxVisualObjectStatusObserver
+	{
+	public:
+	    /**
+	      * Static constructor
+	      * @param aMediaList reference to media list
+	      * @param aVisualList reference to associated visual list
+	      * @return pointer to CGlxVisualIconManager instance
+	      */
+		IMPORT_C static CGlxVisualIconManager* NewL(MGlxMediaList& aMediaList,
+		                                            MGlxVisualList& aVisualList);
+
+		/**
+		 * Destructor
+		 */	
+		IMPORT_C ~CGlxVisualIconManager();
+	
+		/**
+		 * Trigger the image-loading animation
+		 * @param aItemIndex Index of item to animate
+		 */
+	    IMPORT_C void AnimateImageLoadedL(TInt aItemIndex);
+
+	public: // from MGlxAnimationObserver
+		virtual void AnimationComplete(MGlxAnimation* aAnimation);
+
+    private:    // From MGlxVisualObjectStatusObserver
+        void VisualStatusChangedL( CGlxVisualObject& aObject,
+                                TInt aListIndex, TBool aHasThumbnail );
+        void ThumbnailLoadedL( CGlxVisualObject& aObject );
+
+	private:
+	    /**
+	      * Identifiers for default and broken icons
+	      */
+	      enum TGlxVisualIcon
+	        {
+	        EDefaultIcon,
+	        EBrokenIcon,
+	        EEmptyIcon,
+	        EBlackBrush
+	        };
+		
+	private:
+	    /**
+	      * Constructor
+	      * @param aMediaList refernce to media list
+	      * @param aVisualList reference to associated visual list
+	      */
+	    CGlxVisualIconManager(
+	        CGlxTextureManager& aTextureManager,
+	        MGlxMediaList& aMediaList, 
+	        MGlxVisualList& aVisualList );
+		void ConstructL();
+		
+		/**
+		  * Check if thumbnail attribute is present for specifed vis.
+		  * If not add icon if present or add default icon
+		  * @param aIndex index of item in media list
+		  */ 
+		void CheckThumbnailAttributesL( TInt aIndex );
+
+		/**
+		 * Trigger the image-loading animation
+		 * @param aItemVisual Visual of item to animate
+		 */
+	    void AnimateImageLoadedL(CAlfVisual* aItemVisual);
+	    /**
+	     * Helper function used be HandleError
+	     * @param aError the error code to handle.
+	     */
+	    void DoHandleErrorL( TInt aError );
+
+        /**
+         * Select the icon to be used for a visual.
+         * @param aIndex Index of item in media list
+         * @return Pointer to an icon texture.
+         */
+        const CAlfTexture* SelectIconTextureL( TInt aIndex );
+
+        /**
+         * Helper method to compare two icons
+         */
+        static TBool MatchIcon( const TIconInfo& aIcon1,
+                                const TIconInfo& aIcon2 );
+        
+        /**
+         * Helper function to determine if an item is a DRM protected video.
+         * @param aItem, the item to test
+         * @return ETrue if the item is a DRM protected video, EFalse otherwise
+         */
+     	TBool IsDrmVideoItem( const TGlxMedia& aItem );
+
+	private:
+		/** @see MGlxVisualListObserver::HandleVisualAddedL */
+		void HandleVisualAddedL( CAlfVisual* aVisual, TInt aIndex, MGlxVisualList* aList );
+	    
+	    /** @see MGlxMediaListObserver::HandleError */
+	    void HandleError( TInt aError );
+
+	private:
+        /// @ref texture manager
+	    CGlxTextureManager& iTextureManager;
+	    
+	    // array of thumbnail icons added via icon attribute
+	    RArray<TIconInfo> iThumbnailIcons;
+
+		/// White texture for image-loading "flash" effect
+	    CAlfTexture* iWhiteTexture;
+	    
+	    /// List of current animations, maintained in address order
+	    RPointerArray<MGlxAnimation> iAnimations;
+
+        // texture for default icon overlay not owned
+	    CAlfTexture* iDefaultIconTexture;
+	    
+	    // texture for broken icon overlay not owned
+	    CAlfTexture* iBrokenIconTexture;
+	    
+	    // texture for empty icon overlay not owned
+	    CAlfTexture* iEmptyIconTexture;
+	    
+	    // array of icon textures (textures not owned)
+	    RPointerArray< CAlfTexture > iIconTextureArray;
+	};
+	
+#endif // C_GLXVISUALICONMANAGER_H