srsf/vcommandhandler/inc/intpropertywatcher.h
branchRCL_3
changeset 19 e36f3802f733
parent 0 bf1d17376201
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/vcommandhandler/inc/intpropertywatcher.h	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,67 @@
+/*
+* Copyright (c) 2006 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:  Watches for the integer P&S property and notifies the observer
+*                about the changes
+*
+*/
+
+
+
+#ifndef INTPROPERTYWATCHER_H
+#define INTPROPERTYWATCHER_H
+
+#include <e32property.h>
+#include <e32base.h>
+
+/**
+ * Interface for those who want to be notified about the property change
+ */
+class MIntChangeNotifiable
+    {
+    public:
+        virtual void IntValueChanged(TInt aNewValue) = 0;
+    };
+
+/**
+ * After the creation watches for the given Publish & Subscribe property
+ * changes and notifies the observer about the changes
+ */
+class CIntPropertyWatcher : public CActive
+    {
+    public:
+        static CIntPropertyWatcher* NewL( const TUid aCategory, TUint aKey, 
+                                        MIntChangeNotifiable& aObserver );
+        
+        virtual ~CIntPropertyWatcher();
+    
+    private:
+    
+        CIntPropertyWatcher( MIntChangeNotifiable& aObserver );
+        
+        void ConstructL( const TUid aCategory, TUint aKey );
+        
+        void RunL();
+        
+        void DoCancel();
+        
+    private:
+    
+        RProperty iProperty;
+        
+        MIntChangeNotifiable& iObserver;
+        
+    };
+
+    
+#endif // INPROPERTYWATCHER_H
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