--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menucontentsrv/srvsrc/mcschildrenscanner.cpp	Thu Dec 17 08:54:17 2009 +0200
@@ -0,0 +1,202 @@
+/*
+* 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:  The API supports attributes not present in MCS from SAT Api
+*
+*/
+
+
+#include "mcschildrenscanner.h"
+#include "menueng.h"
+#include "menusrveng.h"
+#include "menuengobject.h"
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// Creates an instance of CMcsChildrenScanner implementation
+// ---------------------------------------------------------------------------
+//
+CMcsChildrenScanner* CMcsChildrenScanner::NewL( 
+	MMcsChildrenScanner& aObserver, 
+	CMenuSrvEng& aSrvEng)
+    {
+    CMcsChildrenScanner* self = new (ELeave) CMcsChildrenScanner( 
+        aObserver, aSrvEng );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CMcsChildrenScanner::~CMcsChildrenScanner()
+    {
+    Cancel();
+    iSrvEng.Engine().DequeueOperation( *this );
+    iIdBuff.Close();
+    }
+    
+// -----------------------------------------------------------------------------
+// CMcsChildrenScanner::CMcsChildrenScanner
+// C++ default constructor
+// -----------------------------------------------------------------------------
+//
+CMcsChildrenScanner::CMcsChildrenScanner( 
+	MMcsChildrenScanner& aObserver, 
+    CMenuSrvEng& aSrvEng ): 
+    CActive( EPriorityNormal ), iObserver( aObserver ), 
+    iSrvEng(aSrvEng)
+    {    
+    CActiveScheduler::Add( this );
+    iOpStatus = EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CMcsChildrenScanner::ConstructL
+// S2nd phase constructor.
+// -----------------------------------------------------------------------------
+//
+void CMcsChildrenScanner::ConstructL()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CMcsChildrenScanner::DoCancel
+// ---------------------------------------------------------------------------
+//
+void CMcsChildrenScanner::DoCancel()
+    {
+    }
+
+// ---------------------------------------------------------------------------
+// CMcsChildrenScanner::RunL
+// ---------------------------------------------------------------------------
+//
+void CMcsChildrenScanner::RunL()
+    {
+    User::LeaveIfError( iStatus.Int() ); // Handle errors in RunL.
+    iSrvEng.Engine().QueueOperationL( *this );    
+    }    
+
+// ---------------------------------------------------------
+// CMcsChildrenScanner::RunError()
+// ---------------------------------------------------------
+//
+TInt CMcsChildrenScanner::RunError( TInt /*aError*/ )
+    {
+    // Ignore the error (what else could we do?).
+    return KErrNone;
+    }
+
+// ---------------------------------------------------------
+// CMenuSrvAppScanner::RunMenuEngOperationL
+// ---------------------------------------------------------
+//
+void CMcsChildrenScanner::RunMenuEngOperationL()
+    {
+    ScanFolderL();
+    iOpStatus = EFalse;
+    }  
+    
+// ---------------------------------------------------------
+// CMenuSrvAppScanner::CompletedMenuEngOperation
+// ---------------------------------------------------------
+//
+void CMcsChildrenScanner::CompletedMenuEngOperation( TInt /*aErr*/ )
+    {
+    }          
+
+    
+// ---------------------------------------------------------
+// CMcsChildrenScanner::ScanFolderL
+// ---------------------------------------------------------
+//
+void CMcsChildrenScanner::ScanFolderL()
+    {    
+    
+    while ( iIdBuff.Count( ) != 0 ) 
+    	{
+    	TInt currentFolder = iIdBuff[0];
+    	
+		// Get current children_count
+		TUint32 newCount =  iSrvEng.GetChildrenCountL(currentFolder);
+		
+		// Chceck if children_count has changed
+		// if children_count wasn't in cash it will be added
+		// when GetAttributeL is executed
+		TBool attrExists;
+		RBuf attrVal;
+		attrVal.CleanupClosePushL();
+		attrVal.CreateL(KMenuMaxAttrValueLen);
+		
+		iSrvEng.GetAttributeL(currentFolder, KChildrenCount, attrExists, attrVal);
+		
+		if (attrExists)
+			{
+			TLex lex(attrVal);
+			TUint oldCount;
+			TInt err = lex.Val(oldCount);
+			if (err == KErrNone)
+				{
+				iObserver.HandleChildrenEvent(currentFolder, oldCount, newCount);
+				}
+			}
+		
+		CleanupStack::PopAndDestroy( &attrVal );
+		RemoveId(currentFolder);
+    	}
+    iOpStatus = EFalse;
+    }
+
+
+// -----------------------------------------------------------------------------
+// 
+// -----------------------------------------------------------------------------
+//
+void CMcsChildrenScanner::Scan(TInt aId)
+    {
+    AddId(aId);
+    if ( !IsActive() && !iOpStatus )
+        {
+        iOpStatus = ETrue;
+        TRequestStatus* ownStatus = &iStatus;
+        *ownStatus = KRequestPending;
+        SetActive();
+        User::RequestComplete( ownStatus, KErrNone );
+        } 
+    }  
+    
+
+void CMcsChildrenScanner::AddId(TInt aId)
+	{
+	if (iIdBuff.Find(aId) == KErrNotFound)
+		{
+		iIdBuff.Append(aId);
+		}
+	}
+
+void CMcsChildrenScanner::RemoveId(TInt aId)
+	{
+	TInt index = iIdBuff.Find(aId);
+	if (index != KErrNotFound)
+		{
+		iIdBuff.Remove(index);
+		}
+	}
+// End of File