--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/piprofiler/piprofiler_plat/inc/ProfilerEngineStatusChecker.h	Tue May 25 14:22:58 2010 +0300
@@ -0,0 +1,74 @@
+/*
+* Copyright (c) 2009 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:   
+*
+*/
+
+#ifndef PROFILER_STATUS_CHECKER_H
+#define PROFILER_STATUS_CHECKER_H
+
+#include <e32std.h>
+#include <e32base.h>
+#include <e32property.h>    // RProperty
+
+// CONSTANTS
+const TUid KEngineStatusPropertyCat = { 0x2001E5AD };
+enum TEnginePropertyKeys
+    {
+    EProfilerEngineStatus = 8
+    };
+
+// CLASS DECLARATIONS
+class MProfilerStatusObserver
+    {
+    public: // Enums
+        enum KProfilerStatus
+            {
+            EIdle = 0,
+            EInitializing,
+            ERunning,
+            EStopping,
+            ERestarting
+            };
+
+    public: // New
+        virtual void HandleProfilerStatusChange(
+                KProfilerStatus aStatus ) = 0;
+        virtual void HandleProfilerErrorL(
+                TInt aError ) = 0;
+    };
+
+
+class CProfilerEngineStatusChecker : public CActive
+    {
+public:
+    inline static CProfilerEngineStatusChecker* CProfilerEngineStatusChecker::NewL();
+    inline ~CProfilerEngineStatusChecker();
+    inline void SetObserver(MProfilerStatusObserver* aObserver);
+    inline TInt GetInitialState();
+private:
+    inline CProfilerEngineStatusChecker();
+    inline void ConstructL();
+    inline void RunL();
+    inline void DoCancel();
+private:
+    TInt                        iPrevStat;
+    MProfilerStatusObserver*    iObserver;
+    RProperty                   iEngineStatus;
+    };
+
+#include <piprofiler/ProfilerEngineStatusChecker.inl>
+
+
+#endif // PROFILER_STATUS_CHECKER_H