--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/collectionframework/datasource/manager/inc/glxdatasourcetask.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,77 @@
+/*
+* 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 "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: Definition of the Data Source Task Class.   
+*
+*/
+
+
+
+
+#ifndef _C_GLXDATASOURCETASK_H_
+#define _C_GLXDATASOURCETASK_H_
+
+// INCLUDES
+#include <e32cmn.h>
+#include <ecom/ecom.h>
+
+#include "mglxdatasource.h"
+// FORWARD DECLARATIONS
+class CGlxRequest;
+class CMPXMedia;
+class CGlxDataSource;
+// CONSTANTS
+
+// CLASS DECLARATION
+
+/**
+ *  CGlxDataSourceTask class 
+ *
+ *  Data Source Request is the base class for executing requests.
+ *	@ingroup collection_component_design
+ *  @internal reviewed 11/07/2007 by Dave Schofield
+ */
+class CGlxDataSourceTask : 	public CBase
+	{
+public:
+	IMPORT_C virtual ~CGlxDataSourceTask();
+	IMPORT_C CGlxDataSourceTask(CGlxRequest* aRequest, MGlxDataSourceRequestObserver& aObserver, CGlxDataSource* aDataSource);
+	
+public:
+	TBool ObserverMatch(MGlxDataSourceRequestObserver& aObserver);
+    
+public:
+	virtual void ExecuteRequestL() = 0;
+	virtual void CancelRequest() = 0;
+
+	/**
+	 * Called when request is completed sucessfully or due to an error.
+	 * This is the default implementation that can be re-defined by 
+	 * deriving classes if required.
+	 * @param aError Error that occurred (if any)
+	 */
+    IMPORT_C virtual void HandleRequestComplete(TInt aError);
+    IMPORT_C void CreateResponseL();
+    TBool IsDataSourceNeeded() const;
+protected:
+	IMPORT_C virtual void ListToMediaL(const RArray<TGlxMediaId>& aList); /// @todo overloaded until don't need name hack
+
+protected:
+	CGlxRequest* iRequest;
+	CMPXMedia* iResponse;
+	CGlxDataSource* iDataSource; // not owned
+	MGlxDataSourceRequestObserver* iObserver;
+	TBool iCancelled;
+	};
+
+#endif //_C_GLXDATASOURCETASK_H_