diff -r 000000000000 -r 32704c33136d ncdengine/provider/client/inc/ncdnodefolderproxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/inc/ncdnodefolderproxy.h	Tue Jan 26 12:06:03 2010 +0200
@@ -0,0 +1,255 @@
+/*
+* 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:   Contains CNcdNodeFolderProxy class
+*
+*/
+
+
+#ifndef C_NCD_NODE_FOLDER_PROXY
+#define C_NCD_NODE_FOLDER_PROXY
+
+
+#include <e32base.h>
+
+#include "ncdnodeproxy.h"
+#include "ncdnodecontainer.h"
+
+
+class MNcdLoadNodeOperationObserver;
+class CNcdNodeIdentifier;
+class CNcdLoadNodeOperationProxy;
+class CNcdNodeSearch;
+class CNcdChildEntity;
+class CNcdFavoriteManagerProxy;
+class CNcdNodeSeenFolderProxy;
+
+/**
+ *  Node folder contains other nodes that may also be containers.
+ *
+ *  @lib ?library
+ *  @since S60 ?S60_version *** for example, S60 v3.0
+ */
+class CNcdNodeFolderProxy: public CNcdNodeProxy,
+                           public MNcdNodeContainer 
+    {
+
+public:
+
+    /**
+     * NewL
+     *
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aNodeManager The manager that creates the nodes and keeps
+     * track of the existing nodes.
+     * @param aOperationManager This manager is used to create operations
+     * for the node.
+     * @param aFavoriteManager This manager is used to add or remove favorite nodes.
+     * @return CNcdNodeFolderProxy* Pointer to the created object 
+     * of this class.
+     */
+    static CNcdNodeFolderProxy* NewL( MCatalogsClientServer& aSession, 
+                                      TInt aHandle,
+                                      CNcdNodeManagerProxy& aNodeManager,
+                                      CNcdOperationManagerProxy& aOperationManager,
+                                      CNcdFavoriteManagerProxy& aFavoriteManager );
+
+    /**
+     * NewL
+     *
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aNodeManager The manager that creates the nodes and keeps
+     * track of the existing nodes.
+     * @param aOperationManager This manager is used to create operations
+     * for the node.
+     * @param aFavoriteManager This manager is used to add or remove favorite nodes.
+     * @return CNcdNodeFolderProxy* Pointer to the created object 
+     * of this class.
+     */
+    static CNcdNodeFolderProxy* NewLC( MCatalogsClientServer& aSession, 
+                                       TInt aHandle,
+                                       CNcdNodeManagerProxy& aNodeManager,
+                                       CNcdOperationManagerProxy& aOperationManager,
+                                       CNcdFavoriteManagerProxy& aFavoriteManager );
+
+
+    /**
+     * Destructor
+     *
+     * @note Usually Release function should be used instead of
+     * directly calling delete for this class object.
+     *
+     */
+    virtual ~CNcdNodeFolderProxy();
+
+
+
+    /**
+     * When link information has been loaded for the node, the number
+     * of the children that the container will have is given.
+     */
+    TInt ExpectedChildCount() const;
+
+
+public: // MNcdNode
+
+    /**
+     * @see MNcdNode::LoadL
+     */
+    virtual MNcdLoadNodeOperation* LoadL( MNcdLoadNodeOperationObserver& aObserver );
+
+
+public: // MNcdNodeContainer
+
+    /**
+     * @see MNcdNodeContainer
+     * 
+     * When the container node metadata is loaded then the node contains
+     * the ids of its children. This function returns the count of the
+     * children whose ids are given for this container.
+     *
+     * @note ChildExpectedCount and this function should give the same
+     * results after both link and metadata have been loaded.
+     *
+     */
+    virtual TInt ChildCount() const;
+
+    /**
+     * @see MNcdNodeContainer:: ChildL
+     */
+    virtual MNcdNode* ChildL( TInt aIndex );
+
+    /**
+     * @see MNcdNodeContainer::LoadChildrenL
+     */
+    virtual MNcdLoadNodeOperation* LoadChildrenL( TInt aIndex, 
+                                                  TInt aSize,
+                                                  TNcdChildLoadMode aMode,
+                                                  MNcdLoadNodeOperationObserver& aObserver );
+
+    /**
+     * @see MNcdNodeContainer::ContainerType
+     */
+    virtual TNcdContainerType ContainerType() const;
+    
+    /**
+     * @see MNcdLoadNodeOperationObserver::OperationComplete
+     * Calls the internalize function to update the node data.
+     */
+    virtual void OperationComplete( MNcdLoadNodeOperation& aOperation,
+                                    TInt aError );
+    
+                                                  
+public: // CNcdNodeProxy
+    
+    /**
+     * This function calls additional folder specific
+     * internalization functions that have not been called 
+     * from the CNcdNodeProxy::InternalizeL.
+     *
+     * @see CNcdNodeProxy::InternalizeL
+     */
+    virtual void InternalizeL();
+    
+    
+protected: // CNcdNodeProxy
+
+    /**
+     * This function is called from the CNcdNodeProxy::InternalizeL
+     *
+     * @see CNcdNodeProxy::InternalizeNodeDataL
+     */
+    virtual void InternalizeNodeDataL( RReadStream& aStream );
+
+    /**
+     * This function is called from the CNcdNodeProxy::InternalizeL
+     *
+     * @see CNcdNodeProxy::InternalizeNodeLinkDataL
+     */
+    virtual void InternalizeNodeLinkDataL( RReadStream& aStream );
+
+
+protected:
+
+    /**
+     * Constructor
+     *
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aNodeManager The manager that creates the nodes and keeps
+     * track of the existing nodes.
+     * @param aOperationManager This manager is used to create operations
+     * for the node.
+     * @param aFavoriteManager This manager is used to add or remove favorite nodes.
+     */
+    CNcdNodeFolderProxy( MCatalogsClientServer& aSession,
+                         TInt aHandle,
+                         CNcdNodeManagerProxy& aNodeManager,
+                         CNcdOperationManagerProxy& aOperationManager,
+                         CNcdFavoriteManagerProxy& aFavoriteManager );
+
+    /**
+     * ConstructL
+     */
+    virtual void ConstructL();
+    
+    /**
+     * Checks whether search is supported for this folder.
+     *
+     * @return ETrue if search is supported, EFalse otherwise.
+     */
+    virtual TBool IsSearchSupportedL();
+    
+    /**
+     * Internalizes the MNcdNodeSeenFolder interface.
+     */
+    virtual void InternalizeNodeSeenFolderL();
+
+
+private:
+    // Prevent if not implemented
+    CNcdNodeFolderProxy( const CNcdNodeFolderProxy& aObject );
+    CNcdNodeFolderProxy& operator =( const CNcdNodeFolderProxy& aObject );
+
+
+protected: // data
+    
+    // This is the count that the link information gives.
+    TInt iExpectedChildCount;
+    
+    // This is the count that informs how many children are actually
+    // set to the node.
+    RPointerArray<CNcdChildEntity> iChildren;
+
+    // These are the possible additional interface objects that this node
+    // may use. If the pointer value is NULL then the node does not provide
+    // functionality for that interface at that moment. Mainly these objects
+    // are created after certain operations have been done for the node.
+
+    CNcdNodeSearch* iSearch;
+    
+    // Implements the MNcdNodeSeenFolder interface for this object.
+    CNcdNodeSeenFolderProxy* iNodeSeenFolder;
+        
+    };
+
+
+#endif // C_NCD_NODE_FOLDER_PROXY