diff -r 0efa10d348c0 -r a5a39a295112 menucontentsrv/srvinc/menusrvfoldercrnotifier.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menucontentsrv/srvinc/menusrvfoldercrnotifier.h	Wed Sep 01 12:22:09 2010 +0100
@@ -0,0 +1,202 @@
+/*
+* Copyright (c) 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:
+*
+*/
+
+#ifndef __MENUSRVFOLDERSCANNER_H__
+#define __MENUSRVFOLDERSCANNER_H__
+
+#include <e32base.h>
+#include <apgcli.h>
+#include <apgnotif.h>
+#include <cenrepnotifyhandler.h> 
+#include "menuengoperation.h"
+#include "menuengfilter.h"
+#include "mcsfreespaceobserver.h"
+
+
+// FORWARD DECLARATION
+
+class CMenuEng;
+class TMenuItem;
+class CMenuSrvMmcHistory;
+class CRepository;
+class CCenRepNotifyHandler;
+
+/**
+* Folder scanner.
+* Using AppArc application information, keeps menu application
+* items ("menu:application") up-to-date.
+*
+* Operation is asynchronous (because AppArc startup is asynchronous):
+* 1. ConstructL(): invokes iApaLsSession to build app list (async).
+* 2. RunL(): App list is complete, this object schedules itself to Engine.
+* 3. RunMenuEngOperationL(): The operation is executed by the engine.
+* 4. HandleAppListEvent(): change in app list, go back to step 2.
+*
+* App scanning does the following:
+* - Applications present in the system but not appearing in the menu are added
+*   to the appropriate folder.
+* - Java apps should appear / disappear.
+* - Hide hidden applications, show non-hidden applications (flag "hidden").
+* - Hide / show MMC-related items, according to whether MMC is present or not
+*   (flag "missing"). Keep an MMC history, purge old MMC-based menu items
+*   (== missing menu items whose MMC card has not been seen for long).
+* - Observing AppArc (and MMC, and Java, etc etc) to keep the menu data up
+*   to date continuously.
+*/
+NONSHARABLE_CLASS( CMenuSrvFolderCrNotifier )
+: public CActive, public MMenuEngOperation, public MCenRepNotifyHandlerCallback, 
+MMcsFreeSpaceObserver
+    {
+
+public:     // Constructor
+
+    /**
+    * Destructor.
+    */
+    virtual ~CMenuSrvFolderCrNotifier();
+
+    /**
+    * Two-phased constructor.
+    * @param aEng Engine.
+    */
+    static CMenuSrvFolderCrNotifier* NewL( CMenuEng& aEng );
+
+private:    // Constructors and destructor
+
+    /**
+    * Constructor.
+    * @param aEng Engine.
+    */
+    CMenuSrvFolderCrNotifier( CMenuEng& aEng );
+
+    /**
+    * Second phased constructor.
+    */
+    void ConstructL();
+
+private:    // from CActive
+
+    /**
+    * Request completed, schedule engine operation.
+    */
+    void RunL();
+
+    /**
+    * Cancel request.
+    */
+    void DoCancel();
+
+    /**
+    * Error handling: ignore error.
+    * @param aErr Error code.
+    */
+    TInt RunError( TInt aError );
+    
+private:    // from MMcsFreeSpaceObserver
+    /**
+     * Handle Free Space Event.
+     */
+    void HandleFreeSpaceEventL();
+
+private:    // from MMenuEngOperation
+
+    /**
+    * Execute engine operation:
+    * Do the application scan and update menu accordingly.
+    */
+    void RunMenuEngOperationL();
+
+    /**
+    * Error handling: ignore error.
+    * @param aErr Error code.
+    */
+    void CompletedMenuEngOperation( TInt aErr );
+    
+    /**
+     * Notifies engine with events
+     * @param aNewHiddenFolder nome of a folder. 
+     */ 
+    void NotifyEngineL( const TDesC& aFolder );
+
+    /**
+     * Compares arrays and sends notification to engine abaut differences
+     * @param aLeftArray array with folders names. 
+     * @param aRightArray array with folders names.
+     */ 
+    void NotifyEngineL( const RArray<TPtrC>& aLeftArray, 
+    		const RArray<TPtrC>& aRightArray );
+    
+    /**
+     */ 
+    void HandleNewCrHiddenFoldersL( const TDesC& aNewHiddenFolder );
+    
+
+
+private:    // from MCenRepNotifyHandlerCallback 
+
+    /**
+    * Called if one of CR keys has changed
+    * @param aId  Id of the key that has changed.  
+    * @param aNewValue  The new value of the key.  
+    */
+    void HandleNotifyString( TUint32 aKey, const TDesC16& aNewValue );
+
+
+private:    // new methods
+
+    /**
+     */ 
+    void ParseHiddenFoldersL(  const TDesC& aHiddenFolders, 
+                                RArray<TPtrC>& aHiddenFoldersArray );
+
+private:    // data
+    
+    CMenuEng& iEng ; ///< Engine.
+    RFs iFs; ///< File Server Session. Own.
+
+    /*
+    * Central repository session
+    */
+	CRepository* iCenRepSession;
+
+    /*
+    *Central repository change handler for Control Panel Hidden Folders
+    */
+    CCenRepNotifyHandler* iCenRepNotifyHandlerCPHiddenFolders;	
+
+    TBool iOpStatus;
+
+    /*
+     * Free Space observer.
+     */
+    CMcsFreeSpaceObserver* iFreeSpaceObserver;
+
+    /*
+    * Old value from central repository.
+    */
+    RBuf iHiddenCRFolders;
+    
+    /*
+    * New value from central repository.
+    */
+    RBuf iNewHiddenCRFolders;
+    
+    };
+
+
+
+#endif // __MENUSRVFOLDERSCANNER_H__