diff -r 491b3ed49290 -r 65326cf895ed filemanager/Engine/src/Cfilemanageractivesize.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/Engine/src/Cfilemanageractivesize.cpp	Wed Sep 01 12:31:07 2010 +0100
@@ -0,0 +1,140 @@
+/*
+* Copyright (c) 2002-2006 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:  Calculates given folder size
+*
+*/
+
+
+// INCLUDES
+#include "Cfilemanageractivesize.h"
+
+// CONSTANTS
+const TInt KFileManagerProcessFilesPerCycle = 20;
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::CFileManagerActiveSize
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CFileManagerActiveSize::CFileManagerActiveSize( RFs& aFs ) :
+    iFs( aFs )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CFileManagerActiveSize* CFileManagerActiveSize::NewL(
+        RFs& aFs, const TDesC& aRootFolder )
+    {
+    CFileManagerActiveSize* self = new( ELeave ) CFileManagerActiveSize(
+        aFs );
+    CleanupStack::PushL( self );
+    self->ConstructL( aRootFolder );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::ConstructL
+// 
+// -----------------------------------------------------------------------------
+// 
+void CFileManagerActiveSize::ConstructL( const TDesC& aRootFolder )
+    {
+    iDirScan = CDirScan::NewL( iFs );
+    // Set scanning from current directory,
+    // take files and folder including the hidden and system files
+    // No sorting needed
+    iDirScan->SetScanDataL(
+        aRootFolder,
+        KEntryAttNormal | KEntryAttHidden | KEntryAttSystem,
+        ESortNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::~CFileManagerActiveSize
+// Destructor
+// -----------------------------------------------------------------------------
+// 
+CFileManagerActiveSize::~CFileManagerActiveSize()
+    {
+    delete iDirScan;
+    delete iDir;
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::IsProcessDone
+// 
+// -----------------------------------------------------------------------------
+// 
+TBool CFileManagerActiveSize::IsProcessDone() const
+    {
+    return iProcessDone;
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::StepL
+// 
+// -----------------------------------------------------------------------------
+// 
+void CFileManagerActiveSize::StepL()
+    {
+    if ( !iDir )
+        {
+        iDirScan->NextL( iDir );
+        if( !iDir )
+            {
+            iProcessDone = ETrue;
+            return;
+            }
+        }
+
+    TInt processCount( KFileManagerProcessFilesPerCycle );
+    while( iFileCounter < iDir->Count() && processCount )
+        {
+        const TEntry& item( ( *iDir )[ iFileCounter ] );
+        iSize += item.FileSize();
+        ++iFileCounter;
+        --processCount;
+        }
+
+    if ( iFileCounter >= iDir->Count() )
+        {
+        delete iDir;
+        iDir = NULL;
+        iFileCounter = 0;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerActiveSize::GetFolderSize()
+// 
+// -----------------------------------------------------------------------------
+// 
+TInt64 CFileManagerActiveSize::GetFolderSize() const
+    {
+    if( iProcessDone )
+        {
+        return iSize;
+        }
+    return KErrNotFound;
+    }
+
+// End of File