--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/plugins/alfcrpplugin/inc/alfsynchronizer.h	Mon Feb 22 17:57:49 2010 +0200
@@ -0,0 +1,102 @@
+/*
+* Copyright (c) 2010 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:   AlfSynchronizer waits for synchronization to complete
+*
+*/
+
+
+
+#ifndef __ALFSYNCHRONIZER_H__
+#define __ALFSYNCHRONIZER_H__
+
+#include <e32base.h>
+#include <e32property.h>
+
+/**
+ * Synchronization active object.
+ */
+NONSHARABLE_CLASS( CAlfSynchronizer ) : public CActive
+    {
+public:
+    
+    /**
+     * Two phase constructor.
+     */
+    static CAlfSynchronizer* NewL();
+    
+    /**
+     * C++ destructor
+     */
+    ~CAlfSynchronizer();
+
+public:
+    
+    /**
+     * Starts to wait for synchronization to complete
+     * with particular identifier.
+     * This will start nested active scheduler.
+     */
+    void Start(TInt aId);  
+    
+private:    
+
+    /**
+     * C++ constructor
+     */
+    CAlfSynchronizer();
+
+    /**
+     * ConstructL
+     */
+    void ConstructL();
+
+    void RunL();
+    void DoCancel();
+
+    static TInt CallbackSyncTimeout( TAny* aPtr );
+    void DoCallbackSyncTimeout();
+
+private: // data
+
+    /**
+     * Active scheduler waiter.
+     * Own.
+     */
+    CActiveSchedulerWait* iWait;
+    
+    /**
+     * P&S property for monitoring a variable.
+     * Own.
+     */
+    RProperty iProperty;
+    
+    /**
+     * Timer to ensure that this synchronizer has finite duration.
+     * Own.
+     */
+    CPeriodic* iTimeout;
+    
+    /**
+     * Id waiting to be completed.
+     */
+    TInt iSynchId;
+    
+    /**
+     * ETrue if @c iWait has been stop.
+     * EFalse otherwise.
+     */
+    TBool iAsyncStopDone;
+    };
+
+#endif //__ALFSYNCHRONIZER_H__