ncdengine/inc/ncdloadnodeoperation.h
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/inc/ncdloadnodeoperation.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2006 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:   Node load operation interface definition
+*
+*/
+	
+
+#ifndef M_NCDLOADNODEOPERATION_H
+#define M_NCDLOADNODEOPERATION_H
+
+#include <e32cmn.h>
+
+#include "ncdoperation.h"
+#include "catalogsarray.h"
+#include "ncdinterfaceids.h"
+
+class MNcdLoadNodeOperationObserver;
+
+/**
+ *  Load node operation interface.
+ *
+ *  Load node operations handle the loading of one or more nodes from a server.
+ *  One typical use case is the loading of a catalog's child nodes.
+ *  
+ *  Node load operations send callbacks when one ore more nodes have been
+ *  loaded. This can be used to display the loaded nodes even if the whole
+ *  operation has not yet completed.
+ *  
+ *  
+ *  @see MNcdNode
+ *  @see MNcdLoadNodeOperationObserver
+ */
+class MNcdLoadNodeOperation : public MNcdOperation
+    {
+
+public:
+
+    /**
+     * Unique identifier for the interface, required for all MCatalogsBase interfaces.
+     *
+     * 
+     */
+    enum { KInterfaceUid = ENcdLoadNodeOperationUid };
+    
+protected:
+
+    /**
+    * Destructor.
+    *
+    * @see MCatalogsBase::~MCatalogsBase
+    */
+    virtual ~MNcdLoadNodeOperation() {}
+
+    };
+	
+	
+#endif //  M_NCDLOADNODEOPERATION_H