--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filemanager/Engine/src/CFileManagerRefresher.cpp	Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,202 @@
+/*
+* 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:  Asynchronous refresher for refreshing the CGflmNavigatorModel
+*
+*/
+
+
+
+// INCLUDE FILES
+#include "CFileManagerRefresher.h"
+#include "MFileManagerProcessObserver.h"
+#include "CGflmNavigatorModel.h"
+#include "FileManagerDebug.h"
+#include <e32std.h>
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::CFileManagerRefresher
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CFileManagerRefresher::CFileManagerRefresher( CGflmNavigatorModel& aModel ) :
+        CActive( CActive::EPriorityStandard ),
+        iModel( aModel )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::ConstructL()
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CFileManagerRefresher* CFileManagerRefresher::NewL( CGflmNavigatorModel& aModel )
+    {
+    CFileManagerRefresher* self =
+        new( ELeave ) CFileManagerRefresher( aModel );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::~CFileManagerRefresher()
+//
+// -----------------------------------------------------------------------------
+//
+CFileManagerRefresher::~CFileManagerRefresher()
+    {
+    Cancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::RunL
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::RunL()
+    {
+    FUNC_LOG
+
+    TInt err( iStatus.Int() );
+
+    LOG_IF_ERROR1( err, "CFileManagerRefresher::RunL()-err=%d", err )
+
+    if( iObserver )
+        {
+        iObserver->RefreshStoppedL();
+        if ( err == KErrCancel )
+            {
+            // For going back to parent folder
+            iObserver->Error( KErrPathNotFound );
+            }
+        }
+
+    // Forward OOM, suppress other errors
+    if ( err == KErrNoMemory )
+        {
+        User::Leave( err );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CFileManagerRefresher::RunError( TInt aError )
+    {
+    ERROR_LOG1( "CFileManagerRefresher::RunError()-err=%d", aError )
+    return aError;
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::DoCancel()
+    {
+    FUNC_LOG
+
+    iModel.CancelRefresh();
+    }
+
+// -----------------------------------------------------------------------------
+// CFileManagerRefresher::Refresh
+// Initiates the model refreshing
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CFileManagerRefresher::Refresh( TGflmRefreshMode aRefreshMode )
+    {
+    FUNC_LOG
+
+    //  If already active, return
+    if( IsActive() )
+        {
+        ERROR_LOG( "CFileManagerRefresher::Refresh()-Already active" )
+        return;
+        }
+
+    TInt err( KErrNone );
+    if ( iObserver )
+        {
+        TRAP( err, iObserver->RefreshStartedL() );
+        }
+
+    if ( err )
+        {
+        ERROR_LOG1( "CFileManagerRefresher::Refresh()-Before err=%d", err )
+        return;
+        }
+
+    // Try to start the refresh operation
+    TRAP( err, iModel.RefreshListL( iStatus, aRefreshMode ) );
+
+    // If refreshing couldn't be started, notify observer and return
+    if ( err )
+        {
+        ERROR_LOG1( "CFileManagerRefresher::Refresh()-After err=%d", err )
+        if( iObserver )
+            {
+            TRAP_IGNORE( iObserver->RefreshStoppedL() );
+            }
+        return;
+        }
+
+    // Refreshing was started, set active and wait for asynchronous
+    // request to complete
+    SetActive();
+    }
+
+// ------------------------------------------------------------------------------
+// CFileManagerRefresher::SetObserver
+// ------------------------------------------------------------------------------
+//
+void CFileManagerRefresher::SetObserver( MFileManagerProcessObserver* aObserver )
+    {
+    // Set the observer if not active
+    if( !IsActive() )
+        {
+        iObserver = aObserver;
+        }
+    }
+
+// ------------------------------------------------------------------------------
+// CFileManagerRefresher::CancelRefresh
+// ------------------------------------------------------------------------------
+//
+TBool CFileManagerRefresher::CancelRefresh()
+    {
+    FUNC_LOG
+
+    TBool ret( IsActive() );
+    Cancel();
+    return ret;
+    }
+
+//  End of File