--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videocollection/hgmyvideos/inc/vcxhgmyvideoscategorymodelhandler.h	Mon Jan 18 20:21:12 2010 +0200
@@ -0,0 +1,212 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:      UI level handler for category data.*
+*/
+
+
+
+
+#ifndef VCXHGMYVIDEOSCATEGORYMODELHANDLER_H
+#define VCXHGMYVIDEOSCATEGORYMODELHANDLER_H
+
+// INCLUDE FILES
+#include "vcxhgmyvideoscategorymodelobserver.h"
+
+// FORWARD DECLARATIONS
+class CMPXMedia;
+class CVcxHgMyVideosModel;
+class CHgScroller;
+
+// CLASS DECLARATION
+
+/**
+ * UI level handler for category data.
+ * 
+ * @lib vcxhgmyvideos.lib
+ */
+NONSHARABLE_CLASS( CVcxHgMyVideosCategoryModelHandler ) : 
+        public CBase,
+        public MVcxHgMyVideosCategoryModelObserver
+    {
+    public:
+        
+        /**
+         * Default constructor
+         *
+         * @param aModel Application model
+         * @param aScroller Hg list component.
+         */
+        CVcxHgMyVideosCategoryModelHandler(
+            CVcxHgMyVideosModel& aModel,
+            CHgScroller& aScroller );  
+        
+        /**
+         * Destructor.
+         */
+        virtual ~CVcxHgMyVideosCategoryModelHandler();
+    
+        /**
+         * Activates category model.
+         */
+        void DoModelActivateL();
+        
+        /**
+         * Deactivates category model.
+         */
+        void DoModelDeactivate();        
+
+        /**
+         * Makes sure model has correct category list.
+         */
+        void GetCategoryListL();        
+        
+        /**
+         * Gets list highlight.
+         * 
+         * @return Highlight.
+         */
+        TInt Highlight();   
+        
+        /**
+         * Returns category index corresponding the Ganes index.
+         * 
+         * @param Ganes scroller list index
+         * @return Index of category
+         */
+        TInt ResolveCategoryId( TInt aScrollerIndex );
+        
+    public: // From MVcxHgMyVideosCategoryModelObserver
+
+        /**
+         * Called when a list of categories is available.
+         * Ownership of array is transferred.
+         * 
+         * @param aCategoryList List of categories
+         */
+        void NewCategoryListL( CMPXMediaArray* aCategoryList );
+        
+        /**
+         * Called when the list of categories has been modified.
+         */
+        void CategoryListModifiedL();         
+
+        /**
+         * Called when a single category has been modified (add/remove/modify).
+         * 
+         * @param aEventType Type of modification event (add/remove/modify).
+         * @param aMpxItemId MPX Item Id of the modified item.
+         */
+        void CategoryModifiedL( TMPXChangeEventType aEventType,
+                                TMPXItemId& aMpxItemId );         
+
+    private:    
+
+        /**
+         * Loads name of category from resources.
+         * 
+         * @param aIndex Index of category.
+         * @return Name of category.
+         */
+        HBufC* GetCategoryNameLC( TInt aIndex );
+
+        /**
+         * Formats second row text for categories.
+         * 
+         * @param aMedia MPX media object for row.
+         * @return Second row text for category.
+         */
+        HBufC* FormatCategorySecondRowLC( CMPXMedia& aMedia );        
+
+        /**
+         * Translates MPX Item Id to index on UI list. 
+         * 
+         * @param aMpxItemId MPX Item Id.
+         * @return Index on UI, or KErrNotFound.
+         */
+        TInt UiIndexFromMpxItemId( TMPXItemId& aMpxItemId );
+
+        /**
+         * Updates the whole category list.
+         */
+        void UpdateCategoryListL();
+        
+        /**
+         * Updates list item from specified index.
+         *
+         * @param aListIndex Item's index on UI list.
+         */
+        void UpdateCategoryListItemL( TInt aListIndex );
+        
+        /**
+         * Removes list item from specefied index.
+         *
+         * @param aListIndex Item's index on UI list.
+         */
+        void RemoveCategoryListItem( TInt aListIndex );
+
+        /**
+         * Goes through given number of categories and
+         * fills iCategoryIdArray from the accepted ones
+         *
+         * @param aCategoriesAvailable Number of categories
+         */
+        void MakeCategoryIdArray( TInt aCategoriesAvailable );
+        
+        /**
+         * Checks if the given category is accepted or not.
+         *
+         * @param aCategoryId category id
+         * @return TBool if accepted
+         */
+        TBool AcceptCategory( TInt aCategoryId );
+        
+        /**
+         * Finds correct array index for given category id
+         * from iCategoryIdAraay
+         *
+         * @param aCategoryId category id to be found
+         * @return Array index
+         */
+        TInt ResolveCategoryArrayIndexById( TInt aCategoryId );
+        
+    private:
+    
+        /**
+         * Application model.
+         * Not own.
+         */
+        CVcxHgMyVideosModel& iModel;
+        
+        /**
+         * Reference to Hg list component.
+         * Not own.
+         */
+        CHgScroller& iScroller;
+        
+        /**
+         * Array of categories.
+         * Own.
+         */
+        CMPXMediaArray* iCategoryList;
+        
+        /**
+         * TArray containing category ID's. Each index 
+         * corresponds to the scroller list (eg. correct
+         * category ID for the 1st item in scroller list can
+         * be found from index 0).  
+         */
+        RArray<TInt> iCategoryIdArray;
+    };
+
+#endif // VCXHGMYVIDEOSCATEGORYMODELHANDLER_H