--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/supl/locationomasuplprotocolhandler/protocolhandlerver1/inc/epos_comasuplecomeventwatcher.h	Tue Feb 02 01:06:48 2010 +0200
@@ -0,0 +1,155 @@
+/*
+* 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: ECOM Event watcher class, listens for ecom events
+*
+*/
+
+#ifndef C_COMASUPLECOMEVENTWATCHER_H
+#define C_COMASUPLECOMEVENTWATCHER_H
+
+#include <e32base.h>
+#include <ecom/ecom.h>
+
+#include "epos_momasuplecomeventobserver.h"
+
+// CLASS DECLARATION
+
+/**
+*  Class to listen for Ecom events
+*/
+
+class COMASuplEcomEventWatcher : public CActive
+	{
+	
+	public: // enum
+
+		enum TSuplEcomPlugInStatus
+			{
+				EExist,
+				ENotExist
+			} ;
+
+	public:
+	
+		/**
+		* NewL,constructor.
+		* @since  S60 v3.1
+		* @param  aSuplEcomEventObserver,observer for ecom-events
+		* @param  aInterfaceUid,Interface id on which ecom will watch for events.
+		* @param  aImplId,implementation id  on which ecom will watch for events.
+		* @return Instance of COMASuplEcomEventWatcher.
+		*/
+        static COMASuplEcomEventWatcher* NewL(MSuplEcomEventObserver& aSuplEcomEventObserver, TUid aInterfaceUid, TUid aImplId);
+        
+		/**
+		* ~COMASuplEcomEventWatcher,destructor.
+		* @since  S60 v3.1
+		* @param  None
+		* @return None.
+		*/
+		virtual ~COMASuplEcomEventWatcher();
+		
+		/**
+		* NotifyOnPlugInUnInstallation,notify about uninstallation of plugin
+		* @since  S60 v3.1
+		* @param  None.
+		* @return None
+		*/
+		void NotifyOnPlugInUnInstallation();
+		
+	protected:  // From CActive
+	
+		/**
+		* RunL,from CActive
+		* @since  S60 v3.1
+		* @param  None.
+		* @return None
+		*/
+		void RunL();                
+		
+		/**
+		* RunError,from CActive
+		* @since  S60 v3.1
+		* @param  aError,errocode if RunL leaves.
+		* @return TInt
+		*/
+        TInt RunError(TInt aError);               
+        
+		/**
+		* DoCancel,from CActive
+		* @since  S60 v3.1
+		* @param  None.
+		* @return None
+		*/
+        void DoCancel();
+        
+	private:
+		    
+		/**
+		* COMASuplEcomEventWatcher,constructor.
+		* @since  S60 v3.1
+		* @param  aSuplEcomEventObserver,observer for ecom-events
+		* @param  aInterfaceUid,Interface id on which ecom will watch for events.
+		* @param  aImplId,implementation id  on which ecom will watch for events.
+		* @return None
+		*/
+
+		COMASuplEcomEventWatcher(MSuplEcomEventObserver& aSuplEcomEventObserver, TUid aInterfaceUid, TUid aImplId);
+		
+		/**
+		* ConstructL,Symbian 2nd phase construction
+		* @since  S60 v3.1
+		* @param  None.
+		* @return None
+		*/
+		void	ConstructL();
+		
+		/**
+		* IsImplementationExistL,checks wheather implementation exists or not.
+		* @since  S60 v3.1
+		* @param  None.
+		* @return TBool
+		*/
+		TBool	IsImplementationExistL();
+        
+	private:
+	
+		/**
+        * Reference to CSuplServer.
+        */        
+	    MSuplEcomEventObserver& 	iSuplEcomEventObserver;
+	    
+	    /**
+        * Address of REComSession.
+        */        
+	    REComSession* 				iEComSession;
+	    
+	    /**
+	    * Interface Id of respective Plug-In
+	    */	    
+	    TUid                        iPlugInInterfaceUid;
+	    	     
+	    /**
+        * Implementation Id of respective Plug-In
+        */        
+	    TUid 						iPlugInImplUid;
+	    
+	    /**
+        * Current status of this plug-in whether plug-in exists or not.
+        */ 
+	    TSuplEcomPlugInStatus       iSuplEcomPlugInStatus;  
+	    
+	};
+	
+#endif // C_COMASUPLECOMEVENTWATCHER_H
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