--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/views/gridview/inc/glxgridviewmlobserver.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,132 @@
+/*
+* 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 : Grid view Observers
+*
+*/
+
+
+#ifndef GLXGRIDVIEWMLOBSERVER_H_
+#define GLXGRIDVIEWMLOBSERVER_H_
+
+// Photos Headers
+#include <mglxmedialistobserver.h>
+
+// FORWARD DECLARATIONS
+class CGlxMediaList;
+class CHgGrid;
+class CGlxDRMUtility;
+//class CHgContextUtility;
+
+// CLASS DECLARATION
+class CGlxGridViewMLObserver: public CBase,
+                              public MGlxMediaListObserver
+
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     *
+     * @return Pointer to newly created object.
+     */
+    IMPORT_C static CGlxGridViewMLObserver* NewL(MGlxMediaList& aMediaList,
+            CHgGrid* aHgGrid);
+
+    /**
+     * Destructor.
+     */
+    virtual ~CGlxGridViewMLObserver();
+
+public: // from MGlxMediaListObserver
+    void HandleItemAddedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList );
+    void HandleItemRemovedL( TInt aStartIndex, TInt aEndIndex, MGlxMediaList*/* aList */);
+    void HandleAttributesAvailableL( TInt aItemIndex, 
+        const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* aList );    
+    void HandleFocusChangedL( NGlxListDefs::TFocusChangeType aType, 
+    TInt aNewIndex, TInt aOldIndex, MGlxMediaList* aList );
+    void HandleItemSelectedL(TInt aIndex, TBool aSelected, MGlxMediaList* aList );
+    void HandleMessageL( const CMPXMessage& aMessage, MGlxMediaList* aList );
+    void HandleError( TInt aError );
+    void HandleCommandCompleteL( CMPXCommand* aCommandResult, TInt aError, 
+        MGlxMediaList* aList );
+    void HandleMediaL( TInt aListIndex, MGlxMediaList* aList );
+    void HandleItemModifiedL( const RArray<TInt>& aItemIndexes, MGlxMediaList* aList );
+    void HandlePopulatedL( MGlxMediaList* aList );
+
+private:
+
+    /**
+     * C++ default constructor.
+     */
+    CGlxGridViewMLObserver(MGlxMediaList& aMediaList,CHgGrid* aHgGrid);
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL();
+
+    /**
+     * HandleErrorL is added to make the compiler happy by reducing codescanner warnings
+     * No extra purpose
+     */
+    void HandleErrorL();
+
+    /**
+     * Checks the availability of relevant thumbnail(Quality or Speed) attribute
+     * @param aIndex Media index to check the thumbnail attribute
+     * @return ETrue if relevant thumbnail available 
+     *         EFalse if relevant thumbnail not available 
+     */    
+    TBool HasRelevantThumbnail(TInt aIndex);
+    
+    /**
+     * RefreshScreen - Refreshes the Hg Grid based on the attributes available index 
+     * 
+     */
+    void RefreshScreen(TInt aItemIndex,const RArray<TMPXAttribute>& aAttributes);
+    
+    /**
+     * UpdateItemsL - Update the items with the DRM/video icon and  date/time
+     * 
+     */
+    void UpdateItemsL (TInt aItemIndex,const RArray<TMPXAttribute>& aAttributes);
+    
+private:
+
+    MGlxMediaList& iMediaList;
+	
+    // Instance of HG Grid
+    CHgGrid* iHgGrid;
+
+    // Provides DRM related functionality
+    CGlxDRMUtility* iDRMUtility;
+	
+    TSize iGridIconSize;
+    
+    //No of visible items in a page/view
+    TInt  iItemsPerPage;
+
+    // Flag to indicate the downloads plugin
+    TBool iDownloadsPlugin;
+    
+    // Modified Indexes array to refresh the screen
+    RArray<TInt> iModifiedIndexes;
+
+//    CHgContextUtility* iContextUtility;
+    
+    //Grid Thumbnail Attribs
+    TMPXAttribute iQualityTnAttrib;
+    TMPXAttribute iSpeedTnAttrib;    
+    };
+#endif //GLXGRIDVIEWMLOBSERVER_H_