--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/filesystemuis/memscaneng/serversrc/msengscannerbase.cpp	Mon Jan 18 20:09:41 2010 +0200
@@ -0,0 +1,131 @@
+/*
+* 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: 
+*     Virtual base class for the scanner classes.
+*
+*/
+
+
+
+// USER INCLUDES
+#include    "msengscannerbase.h"
+
+
+// ========================= MEMBER FUNCTIONS ================================
+    
+// ---------------------------------------------------------------------------
+// CMsengScannerBase::CMsengScannerBase()
+//
+// C++ default constructor. Can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+CMsengScannerBase::CMsengScannerBase(MMsengScannerObserver& aObserver, 
+                                     CMsengInfoArray& aInfoArray,
+                                     RFs& aFsSession
+                                     )
+: CActive(CActive::EPriorityStandard), iObserver(aObserver),
+  iInfoArray(aInfoArray), iFsSession(aFsSession)
+    {
+    CActiveScheduler::Add(this);
+    }    
+
+// ---------------------------------------------------------------------------
+// CMsengScannerBase::~CMsengScannerBase()
+//
+// Destructor
+// ---------------------------------------------------------------------------
+CMsengScannerBase::~CMsengScannerBase()
+    {
+    Cancel();
+    }
+
+
+
+
+// ---------------------------------------------------------------------------
+// CMsengScannerBase::CompleteRequest()
+//
+//
+// ---------------------------------------------------------------------------
+void CMsengScannerBase::CompleteRequest(TInt aCode)
+    {
+    if (!IsActive())
+        {
+        TRequestStatus* status = &iStatus;
+        User::RequestComplete(status, aCode);
+        SetActive();
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMsengScannerBase::RunL()
+//
+//
+// ---------------------------------------------------------------------------
+void CMsengScannerBase::RunL()
+    {
+    // Do one scanning step
+    const TStepResult result = PerformStepL();
+
+    switch(result)
+        {
+        case ECompleteRequest:
+            {
+            CompleteRequest();
+            break;
+            }
+
+        case EScanComplete:
+            {
+            iObserver.HandleScannerEventL(
+                MMsengScannerObserver::EScannerEventScanComplete, *this);
+            break;
+            }
+        
+        case ERequestIssuedInternally:
+        default:
+            {
+            // Not used, but maybe needed for messaging if some asynchronous
+            // service is used which completes iStatus by itself.
+            break;
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMsengScannerBase::DoCancel()
+//
+//
+// ---------------------------------------------------------------------------
+void CMsengScannerBase::DoCancel()
+    {
+    // Nothing to do here
+    }
+
+
+// ---------------------------------------------------------------------------
+// CMsengScannerBase::RunError()
+//
+//
+// ---------------------------------------------------------------------------
+TInt CMsengScannerBase::RunError(TInt aError)
+    {
+    // Implementation for EScannerEventScanError cannot leave at the moment, 
+    // but lets trap if implementation changes
+    TRAP_IGNORE(iObserver.HandleScannerEventL(
+        MMsengScannerObserver::EScannerEventScanError, *this, aError));
+    return KErrNone;
+    }
+
+
+//  End of File