--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/dataprovider/inc/glxmedialistmulmodelproviderimpl.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,130 @@
+/*
+* 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:    Implementation class for Media data provider.
+*                 providign the data to the clients
+*
+*/
+
+
+
+
+#ifndef _GLXMEDIALISTMULMODELPROVIDERIMPL_H_
+#define _GLXMEDIALISTMULMODELPROVIDERIMPL_H_
+
+#include <e32base.h>                       // Container Base Class
+#include "glxmulmodelproviderbase.h"       // DataProvider Base
+#include "mglxbindingobserver.h"           // Notifies that binding has changed
+ 
+namespace Alf
+	{
+	class IMulWidget;                      // An interface for all Multimedia widgets
+	}
+
+// Forward declarations
+class TGlxMulBindingSetFactory;            // Create binding set 
+class CGlxAttributeRequirements;           // This class will set the required attribute to the medialist
+class CAlfEnv;                             // This is the UI Accelerator Toolkit environment object
+class MGlxMediaList;                       // Interface for reading lists of media items
+class CGlxBindingSet;                      // basically holds the bindings required to populate the visual item.
+class CGlxResolutionUtility;               // Singleton containing resolution utility methods
+class CGlxUiUtility;                       // lib glxalfutils.lib  ; Alf utils
+
+/**
+* CGlxMediaListMulModelProviderImpl
+* The actual implemntation for providign the data to the clients is done here
+*/
+NONSHARABLE_CLASS( CGlxMediaListMulModelProviderImpl ) : public CGlxMulModelProviderBase,
+														public MGlxBindingObserver 
+    {
+    	
+public:
+	/**
+	* The medialist data provider uses this API to create the provider impl
+	* @param aEnv The Alf Environment
+	* @param aWidget The widget being used by client for which the model has to be set
+	* @param aMediaList The instance of medialist which provides data for the model
+	* @param aFactory The instance of the bindingset factory 
+	* @param aDefaultTemplate The template that is being used for the widget.
+	*/
+    static CGlxMediaListMulModelProviderImpl* NewL( CAlfEnv& aEnv, 
+													Alf::IMulWidget& aWidget, 
+													MGlxMediaList& aMediaList,
+													const TGlxMulBindingSetFactory& aFactory, 
+													Alf::mulwidget::TLogicalTemplate aDefaultTemplate,
+													TInt aDataWindowSize );
+            
+    /**
+	* Destructor
+	*/                       
+    ~CGlxMediaListMulModelProviderImpl();
+    
+private:
+	/**
+	* Constructor
+	* @param aWidget The widget being used by client for which the model has to be set
+	* @param aMediaList The instance of medialist which provides data for the model
+	*/
+    CGlxMediaListMulModelProviderImpl( Alf::IMulWidget& aWidget, MGlxMediaList& aMediaList );
+        
+	/**
+	* ConstructL
+	* @param aEnv The Alf Environment
+	* @param aFactory The instance of the bindingset factory 
+	* @param aDefaultTemplate The template that is being used for the widget.
+	*/   
+    void ConstructL( CAlfEnv& aEnv,
+                     const TGlxMulBindingSetFactory& aFactory,
+                     Alf::mulwidget::TLogicalTemplate aDefaultTemplate,
+                     TInt aDataWindowSize );
+    
+	/**
+     * Helper function used be HandleError
+     * @param aError the error code to handle.
+     */
+    void DoHandleErrorL( TInt aError );
+
+	// From MGlxBindingObserver
+    void HandleBindingChanged( const CGlxBinding& aBinding );
+    
+    void HandleOrientationChanged();  
+	// From CGlxMulModelProviderBase
+	void HandleFocusChanged(TInt aNewFocusIndex, TInt aPreviousFocusIndex);    
+	// 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 HandleError( TInt aError );
+    //Bug fix for PKAA-7NRBYZ
+    void HandleItemModifiedL( const RArray<TInt>& aItemIndexes, MGlxMediaList* aList );
+     
+    // From IMulModelProvider
+    void  ProvideData (int aIndex, int aCount, Alf::MulDataPath aPath);
+private:
+
+    MGlxMediaList& iMediaList;
+    CGlxBindingSet* iBindingSet; // own
+    TBool iIsReleventAttribute;
+    CGlxAttributeRequirements* iAttributeRequirements; // own
+    CGlxResolutionUtility* iResolutionUtility;
+    Alf::IMulWidget& iWidget;
+    CGlxUiUtility* iUiUtility;
+
+    };
+    
+#endif // _GLXMEDIALISTMULMODELPROVIDERIMPL_H_
+
+