photosgallery/viewframework/uiutilities/inc/glxattributeretriever.h
changeset 0 4e91876724a2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/uiutilities/inc/glxattributeretriever.h	Thu Dec 17 08:45:44 2009 +0200
@@ -0,0 +1,57 @@
+/*
+* 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:    Blocking attribute retriever
+*
+*/
+
+
+
+
+#ifndef C_GLXATTRIBUTERETRIEVER_H
+#define C_GLXATTRIBUTERETRIEVER_H
+
+#include <e32std.h>
+#include "mglxmedialistobserver.h"
+
+// Forward declarations
+class MGlxFetchContext;
+class MGlxMediaList;
+class CGlxAttributeRetrieverObj;
+
+const TInt KGlxFetchContextPriorityBlocking = KMaxTInt32;
+
+/**
+ *  GlxAttributeRetriever
+ *
+ *  This class blocks until all requested metadata has been retrieved
+ *
+ *	@ingroup mlm_media_list_manager_design
+ *  @lib glxuiutilities.lib
+ */
+NONSHARABLE_CLASS( GlxAttributeRetriever )
+	{
+public:
+	/**
+	 * Retrieves all metadata required by the context
+	 * @param aContext Fetch context that informs what metadata needs to be retrieved
+	 * @param aList List for which metadata is required for
+	 * @param aShowDialog Whether to show a wait dialog while retrieval takes place. Should only
+	 *                    be false if there is another wait dialog already active
+	 * @return Error code
+	 */
+	IMPORT_C static TInt RetrieveL(const MGlxFetchContext& aContext, MGlxMediaList& aList, TBool aShowDialog = ETrue);
+	};
+
+#endif // C_GLXATTRIBUTERETRIEVER_H
+