--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devicediagnosticsfw/diagframework/inc/diagexecplanentryimplobserver.h	Wed Sep 01 12:27:42 2010 +0100
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2007 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:  Class declaration for MDiagExecPlanEntryImplObserver.h
+*
+*/
+
+
+#ifndef DIAGEXECPLANENTRYIMPLOBSERVER_H
+#define DIAGEXECPLANENTRYIMPLOBSERVER_H
+
+
+class CDiagExecPlanEntryImpl;
+
+/**
+* Diagnostics Plug-in Execution Plan Entry Observer Interface
+*
+* This interface is called by CDiagExecPlanEntryImpl and its derived classes
+* to notify progress of plugin execution.
+*
+* @since S60 v5.0
+*
+*/
+class MDiagExecPlanEntryImplObserver
+    {
+public:
+    /**
+    * Notify plugin execution progress
+    * @param aSender        - Reference to the plan entry that caused this event.
+    * @param aCurrentStep   - current execution step.
+    * @param aTotalSteps    - Total number of steps to execute.
+    */
+    virtual void ExecPlanEntryProgressL( CDiagExecPlanEntryImpl& aSender,
+                                         TUint aCurrentStep,
+                                         TUint aTotalSteps ) = 0;
+
+    /**
+    * Notify plugin execution completion. 
+    *   This is called only when it is completed normally.
+    *   It will not becalled if execution is interrupted by watchdog or by client.
+    * @param aSender        - Reference to the plan entry that caused this event.
+    */
+    virtual void ExecPlanEntryExecutedL( CDiagExecPlanEntryImpl& aSender ) = 0;
+
+    /**
+    * Notify that a critical error has occured.
+    *   This is called when there is a critical execution error
+    *   that cannot be recovered. Engine should not execute any
+    *   more plug-ins after this point.
+    * @param aError - Error number.
+    */
+    virtual void ExecPlanEntryCriticalError( TInt aError ) = 0;
+    };
+
+#endif // DIAGEXECPLANENTRYIMPLOBSERVER_H
+
+// End of File
+