servicewidget/servicewidgetdatapublisher/inc/cservicewidgettimer.h
changeset 0 5e5d6b214f4f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/servicewidget/servicewidgetdatapublisher/inc/cservicewidgettimer.h	Tue Feb 02 10:12:18 2010 +0200
@@ -0,0 +1,101 @@
+/*
+* Copyright (c) 2008 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:  Event listener implementation presence
+*
+*/
+
+
+#ifndef CSERVICEWIDGETTIMER_H
+#define CSERVICEWIDGETTIMER_H
+
+#include <e32base.h>
+
+// forward declaration
+class MServiceWidgetTimerObserver;
+// class declaration
+
+/**
+ * @class timer class
+ * @since 5.0
+ */
+ 
+class CServiceWidgetTimer : public CActive
+    {
+public :
+        // Constructor
+        /**
+         * Creates a new CServiceWidgetTimer.
+         * @param aObserver, reference to timer 
+         * @return New instance of this class         
+         */
+        static CServiceWidgetTimer* NewL(MServiceWidgetTimerObserver& aObserver );
+        
+          /**
+           * Standard C++ destructor.
+           */
+         ~CServiceWidgetTimer();
+         
+         /**
+         * start listening
+         * @param a time interval
+         */
+         void StartListening(TTimeIntervalMicroSeconds32 anInterval);
+         
+          
+         /**
+         * stop listening
+         */
+         void StopListening();     
+                 
+private : // From CActive
+
+        /**
+        *  RunL
+        */
+        void RunL();  
+        
+        /**
+        *  DoCancel
+        */
+        void DoCancel();
+
+        
+private: // Implementation
+       
+       /**
+        * Standard C++ constructor
+        * @param aObserver, reference to timer
+       */
+        CServiceWidgetTimer(MServiceWidgetTimerObserver& aObserver );
+
+       /**
+        * Performs the 2nd phase of construction.
+        */
+       void ConstructL();
+       
+private :
+    	    
+       	// not owns : reference to contact update observer
+        MServiceWidgetTimerObserver& iObserver;
+        
+		/**
+		 *  owns : timer to trigger message queue uptation checking
+		 */
+		RTimer iTimer;
+	
+	    };
+
+#endif /*CSERVICEWIDGETTIMER_H*/
+
+//end of file