--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/enhancedmediaclient/Client/src/Components/SourceBase/AsyncAO.cpp	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,82 @@
+/*
+* 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:  This file contains the implementation of asynchronous AO object.
+*
+*/
+
+
+// INCLUDES
+#include "AsyncAO.h"
+
+using namespace multimedia;
+
+CAsyncAO::CAsyncAO( MAsyncAOObserver& aObserver )
+:CActive(CActive::EPriorityStandard),
+iObserver(aObserver)
+    {
+    CActiveScheduler::Add(this);
+    }
+
+CAsyncAO::~CAsyncAO()
+    {
+    Cancel();
+    }
+
+CAsyncAO* CAsyncAO::NewL( MAsyncAOObserver& aObserver )
+    {
+    CAsyncAO* self = new (ELeave) CAsyncAO(aObserver);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+void CAsyncAO::ConstructL()
+    {
+    // No Implementation
+    }
+
+TInt CAsyncAO::SetActive()
+    {
+    TInt status(KErrInUse);
+    if (!CActive::IsActive())
+        {
+        CActive::SetActive();
+        status = KErrNone;
+        }
+    return status;
+    }
+
+void CAsyncAO::RunL()
+    {
+    iObserver.Event(iStatus.Int());
+    }
+
+void CAsyncAO::DoCancel()
+    {
+    if(iStatus.Int() != KErrNone)
+        {
+        TRequestStatus* status = &iStatus;
+        User::RequestComplete(status,KErrCancel);
+        }
+    }
+
+TInt CAsyncAO::Error( TInt /* aError */ )
+    {
+    // RunL left. The client callback function left. Incorrect callback
+    // implementation. So ignore the leave and continue
+    return KErrNone;
+    }
+
+//  End of File